CN104569204A - Online oil chromatography monitoring device of locomotive traction transformer - Google Patents

Online oil chromatography monitoring device of locomotive traction transformer Download PDF

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CN104569204A
CN104569204A CN201510005731.XA CN201510005731A CN104569204A CN 104569204 A CN104569204 A CN 104569204A CN 201510005731 A CN201510005731 A CN 201510005731A CN 104569204 A CN104569204 A CN 104569204A
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oil
gas
unit
cutting ferrule
transformer
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CN104569204B (en
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李霞
王国建
刘同锋
赵建华
柳甲贤
晋海青
孟庆亚
赵捷
黄帆
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Abstract

The invention relates to an online oil chromatography monitoring device of a locomotive traction transformer, and relates to a monitoring device. The online oil chromatography monitoring device comprises an oil sample collection unit, an oil-gas separation unit, a chromatographic separation unit, a gas detection unit, a data acquisition control unit, a PID temperature controller unit and a data service platform, wherein an oil inlet of the oil sample collection unit is connected with an oil sample inlet pipe, the oil sample collection unit is connected with the oil-gas separation unit, the oil-gas separation unit is connected with the chromatographic separation unit, the separated gas is transferred to the gas detection unit by the chromatographic separation unit, the gas detection unit is connected with the data acquisition control unit, the PID temperature controller unit is connected with the oil-gas separation unit, the chromatographic separation unit, the gas detection unit and the data acquisition control unit respectively, and the data acquisition control unit is connected with the data service platform. By adopting the online oil chromatography monitoring device, a purpose of real-time monitoring of the operating state of the transformer can be realized; the online oil chromatography monitoring device is designed as a micro module, so that the problem of a locomotive body that the installation space is small can be solved.

Description

A kind of oil chromatography on-Line Monitor Device of traction transformer of locomotive
[technical field]
The present invention relates to a kind of on-Line Monitor Device, specifically the present invention relates to a kind of oil chromatography on-Line Monitor Device of traction transformer of locomotive.
[background technology]
As everyone knows, transportation by railroad is the main artery of China's economical operation, in China's railway and highway system, occupy critical role.Along with developing rapidly of national economy, railway accelerates with high speed, heavy duty, the developing steps that safety is the theme, traffic safety is the eternal theme of transportation by railroad, after railway speed increase, requirements at the higher level are proposed to motorcycle safety, past, that main way relying on the experience of trainman and maintainer and intuition to carry out diagnosing to locomotive failure and to overhaul can not meet modern transportation to safety, efficient requirement, because some transient faults that may occur in locomotive operation process can not record in time, hidden danger is brought safely to locomotive operation, data are not had to bring difficulty as according to trouble shooting diagnosis.
Traction transformer of locomotive also claims locomotive vehicle-mounted transformer or locomotive main transformer, it and locomotive high-voltage voltage transformer (VT) are all the cardiac components of electric locomotive, its quality directly has influence on locomotive operation safety, particularly traction transformer of locomotive, service condition rather harsh, adopt the object of traction transformer of locomotive on-Line Monitor Device be real-time continuous monitor the running status of traction transformer of locomotive, judge its whether normal operation, the inner already present nature of trouble of diagnosis traction transformer of locomotive, type, position, the order of severity also predicts the development trend of fault, instruct operation department to the management of traction transformer of locomotive and maintenance.Because traditional traction transformer of locomotive oil gas chromatography off-line diagnostic method and locomotive depot's repair method can not find the operating Hidden fault of traction transformer of locomotive in time, and there is the disadvantages such as test period length, test error are comparatively large, worker's workload is large, incompatible with the development trend of present vehicle repair based on condition of component, requirement traction transformer of locomotive being carried out to monitoring in real time can not be met; Therefore, propose development a kind of monitor oil dissolved gas comprehensive volume fraction and at that time, diurnal variation trend, with oil chromatography on-Line Monitor Device that is more scientific, that judge traction transformer of locomotive fault more accurately, change the method for work of traditional traction transformer of locomotive diagnosis, a computer is monitored the running status of all transformers in running simultaneously, greatly reduce worker's workload, become the basic demand of those skilled in the art.
[summary of the invention]
In order to overcome the deficiency in background technology, the invention discloses a kind of oil chromatography on-Line Monitor Device of traction transformer of locomotive, achieve the object of Real-Time Monitoring running state of transformer, and traction transformer of locomotive oil chromatography on-Line Monitor Device is designed to micromodule, efficiently solve the problem that locomotive car body lays narrow space, and when locomotive operation, avoid the impact of larger vibration on traction transformer of locomotive oil chromatography on-Line Monitor Device.
For achieving the above object, the present invention adopts following technical scheme:
A kind of oil chromatography on-Line Monitor Device of traction transformer of locomotive, described device is fixedly installed in the assemblage gap of transformer oil heating radiator cooling tower by damping base, described device comprises oil sample collecting unit, gas-oil separation unit, chromatographic resolution unit, gas detection cell, data collection control unit, PID temperature controller unit and data service platform, the oil-in of described oil sample collecting unit is connected by ferrule pipeline connector with oil sample introduction tube, the oil-out of described oil sample collecting unit is connected with the import of gas-oil separation unit, the outlet of described gas-oil separation unit is connected with the pipeline of chromatographic resolution unit, by the chromatographic column in chromatographic resolution unit, the gas of separation is sent to gas detection cell by pipeline, described gas detection cell is connected with data collection control unit by signal transmssion line, described PID temperature controller unit respectively with gas-oil separation unit, chromatographic resolution unit, gas detection cell, data collection control unit is connected by RS232, described data collection control unit is connected by RS485 with data service platform.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described gas-oil separation unit comprises transformer, oil pump, motor, except oil cavity, degassed cavity, air pump and vacuum pump, described transformer is connected with oil pump by oil pipe, described oil pump connects except oil cavity by oil pipe, oil in oil cavity is flow back to transformer by oil pipe, motor is provided with in the one end except oil cavity, except the other end of oil cavity is connected by pipeline with degassed cavity, by the to-and-fro movement of motor, to be transported in degassed cavity except gas isolated in oil cavity, described degassed cavity is connected with air pump and vacuum pump respectively, the pipeline of degassed cavity and air pump is provided with the quantity tube of six-way valve, the pipeline of degassed cavity and vacuum pump is provided with pressure transducer, oil pipe line between transformer and oil pump is respectively equipped with turnover solenoid V5 and V1, solenoid V6 and V2 is being passed in and out except the oil pipe line between oil cavity and transformer is respectively equipped with, solenoid valve V3 is being provided with except on the pipeline between oil cavity and degassed cavity, pipeline between pressure transducer and vacuum pump is provided with solenoid valve V4.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described chromatographic resolution unit comprises dry gas, pressure maintaining valve and chromatographic column, described dry gas is connected with the six-way valve quantity tube in gas-oil separation unit by pipeline, isolated gas is sent into gas detection cell by chromatographic column by the dry gas in described six-way valve quantity tube, and the pipeline between dry gas and six-way valve quantity tube is provided with pressure maintaining valve.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described ferrule pipeline connector comprises front cutting ferrule, rear cutting ferrule, cutting ferrule pipe, nut and joint body, nut is provided with in the outside of cutting ferrule pipe, joint body is respectively equipped with between cutting ferrule pipe and nut, front cutting ferrule and rear cutting ferrule, the internal thread of described nut is threaded with the external thread of joint body, cutting ferrule before being provided with between cutting ferrule pipe and joint body, described rear cutting ferrule is arranged between nut baffle ring and cutting ferrule pipe, the hinge point of rear cutting ferrule bottom respectively with cutting ferrule pipe, front cutting ferrule laminating, top and the nut baffle ring of rear cutting ferrule are fitted.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described damping base is rubber air spring.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described device is micromoduleization design, described micromodule is all placed in modular cartridge, be arranged on the top of damping base, described micromodule comprises Systematical control and communication module, gas-oil separation detection module and carrier gas generation module, and described Systematical control and communication module, gas-oil separation detection module and carrier gas generation module are installed by in-site installation position combination in any.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described Systematical control and communication module comprise data collection control unit, PID temperature controller unit and data service platform, and described gas-oil separation detection module comprises oil sample collecting unit, gas-oil separation unit, chromatographic resolution unit and gas detection cell.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described carrier gas generation module adopts positive pressure ventilation mode, namely utilizes air compressor to form malleation source of the gas, aligns after pressurized air source carries out drying and purified treatment and use.
Owing to have employed technique scheme, the present invention has following superiority:
1, the present invention by oil suction from transformer enter except oil cavity and and did analyze oil flow back in transformer, utilize the principle that malleation pushes, fundamentally solve the pump of the principle of negative pressure work such as in-line pump, volumetric pump, vane pump under hot environment, high-lift, remote condition indeterminable fuel-displaced few, even not fuel-displaced drawback;
2, gas-oil separation unit of the present invention is by adopting vacuum outgas principle, avoids eluent gas secondary back dissolving and eluent gas and enters transformer body etc. with free state and jeopardize the potential safety hazard that transformer safety runs; Oil sample re-injection after degassed enters transformer body, do not pollute, do not consume transformer oil, can promptly and accurately reflect transformer body oil sample, and degassed rate is high, favorable reproducibility, gas-oil separation speed are fast, only need just can reach dissolution equilibrium state in 10 minutes, can continuous degassing be realized, thus the normal operation of follow-up work can be ensured.
3, the present invention completes quantitative collection and the gas separaion of gas by chromatographic resolution unit, adopt Large Copacity, high-performance composite chromatography column, under the effect of carrier gas, gather gas isolated the gas feeding detectors such as H2, CO, CO2, CH4, C2H4, C2H2, C2H6 by chromatographic column order, realize the monitoring of characteristic gas in transformer oil, and the chromatographic resolution time is short.
4, the present invention is by being designed to micromodule by transformer oil chromatographic on-Line Monitor Device, efficiently solves the problem that locomotive car body lays narrow space.
5, the present invention is by being set to rubber air spring by damping base, not only utilizes the compressibility of air to achieve elastic reaction, and installing space little, be convenient to change, high frequency shock insulation and sound insulation value better.
6, the present invention is by using ferrule pipeline connector as the docking mode of connecting line, achieves double seal, effectively prevent the drawback that the joint looseness produced due to vibration in locomotive operation causes oil to be revealed.
[accompanying drawing explanation]
Fig. 1 is systematic schematic diagram of the present invention;
Fig. 2 is gas-oil separation schematic diagram of the present invention;
Fig. 3 is chromatography column feed materials process of gas path figure of the present invention;
Fig. 4 is the structural representation of ferrule pipeline connector of the present invention;
Fig. 5 is the close-up schematic view of Fig. 4;
In the drawings: 1, pressure transducer; 2, degassed cavity; 3, quantity tube; 4, except oil cavity; 5, nut; 6, rear cutting ferrule; 7, hinge point; 8, front cutting ferrule; 9, joint body; 10, cutting ferrule pipe; 11, nut baffle ring.
[embodiment]
Can explain the present invention in more detail by the following examples, the present invention is not limited to the following examples;
The oil chromatography on-Line Monitor Device of the traction transformer of locomotive by reference to the accompanying drawings described in 1-5, described device is fixedly installed in the assemblage gap of transformer oil heating radiator cooling tower by damping base, described device comprises oil sample collecting unit, gas-oil separation unit, chromatographic resolution unit, gas detection cell, data collection control unit, PID temperature controller unit and data service platform, the oil-in of described oil sample collecting unit is connected by ferrule pipeline connector with oil sample introduction tube, the oil-out of described oil sample collecting unit is connected with the import of gas-oil separation unit, the outlet of described gas-oil separation unit is connected with the pipeline of chromatographic resolution unit, by the chromatographic column in chromatographic resolution unit, the gas of separation is sent to gas detection cell by pipeline, described gas detection cell is connected with data collection control unit by signal transmssion line, described PID temperature controller unit respectively with gas-oil separation unit, chromatographic resolution unit, gas detection cell, data collection control unit is connected by RS232, described data collection control unit is connected by RS485 with data service platform.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described gas-oil separation unit comprises transformer, oil pump, motor, except oil cavity 4, degassed cavity 2, air pump and vacuum pump, described transformer is connected with oil pump by oil pipe, described oil pump connects except oil cavity 4 by oil pipe, oil in oil cavity 4 is flow back to transformer by oil pipe, motor is provided with in the one end except oil cavity 4, except the other end of oil cavity 4 is connected by pipeline with degassed cavity 2, by the to-and-fro movement of motor, to be transported in degassed cavity 2 except gas isolated in oil cavity 4, described degassed cavity 2 is connected with air pump and vacuum pump respectively, degassed cavity 2 with the pipeline of air pump are provided with the quantity tube 3 of six-way valve, degassed cavity 2 with the pipeline of vacuum pump are provided with pressure transducer 1, oil pipe line between transformer and oil pump is respectively equipped with turnover solenoid V5 and V1, solenoid V6 and V2 is being passed in and out except the oil pipe line between oil cavity 4 and transformer is respectively equipped with, solenoid valve V3 is being provided with except on the pipeline between oil cavity 4 and degassed cavity 2, pipeline between pressure transducer 1 and vacuum pump is provided with solenoid valve V4.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described chromatographic resolution unit comprises dry gas, pressure maintaining valve and chromatographic column, described dry gas is connected with the six-way valve quantity tube 3 in gas-oil separation unit by pipeline, isolated gas is sent into gas detection cell by chromatographic column by the dry gas in described six-way valve quantity tube 3, and the pipeline between dry gas and six-way valve quantity tube 3 is provided with pressure maintaining valve.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described ferrule pipeline connector comprises front cutting ferrule 8, rear cutting ferrule 6, cutting ferrule pipe 10, nut 5 and joint body 9, nut 5 is provided with in the outside of cutting ferrule pipe 10, joint body 9 is respectively equipped with between cutting ferrule pipe 10 and nut 5, front cutting ferrule 10 and rear cutting ferrule 6, the internal thread of described nut 5 is threaded with the external thread of joint body 9, cutting ferrule 8 before being provided with between cutting ferrule pipe 10 and joint body 9, described rear cutting ferrule 6 is arranged between nut baffle ring 11 and cutting ferrule pipe 10, the hinge point 7 of rear cutting ferrule 6 bottom respectively with cutting ferrule pipe 10, front cutting ferrule 8 is fitted, top and the nut baffle ring 11 of rear cutting ferrule 6 are fitted.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described damping base is rubber air spring.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described device is micromoduleization design, described micromodule is all placed in modular cartridge, be arranged on the top of damping base, described micromodule comprises Systematical control and communication module, gas-oil separation detection module and carrier gas generation module, and described Systematical control and communication module, gas-oil separation detection module and carrier gas generation module are installed by in-site installation position combination in any.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described Systematical control and communication module comprise data collection control unit, PID temperature controller unit and data service platform, and described gas-oil separation detection module comprises oil sample collecting unit, gas-oil separation unit, chromatographic resolution unit and gas detection cell.
The oil chromatography on-Line Monitor Device of described traction transformer of locomotive, described carrier gas generation module adopts positive pressure ventilation mode, namely utilizes air compressor to form malleation source of the gas, aligns after pressurized air source carries out drying and purified treatment and use.
Implement the oil chromatography on-Line Monitor Device of traction transformer of locomotive of the present invention, described oil sample collecting unit is made up of oil pump and pipeline, complete the collection to transformer oil sample, gather as circle collection mode, avoid oil flow electrification, there is filtrator in oil circuit, adopt vacuum differential pressure mode to be drawn into by transformer oil in oil sample collecting unit, carry out oil sample circulation by oil pump, the oil sample collected is delivered to gas-oil separation unit, first by the vacuum pumping of gas-oil separation unit, then oil sample is imported degas chamber (volume 100ml), after circulation oil sample, under temperature constant state, V3 solenoid valve is opened, motor reciprocating action, by the dilatation repeatedly of degassed cavity, makes oil dissolved gas be separated and reaches dissolution equilibrium state, after chromatography column feed materials, residual sample gas is removed to vacuumize mode, quantitative collection and the gas separaion that chromatographic resolution unit completes gas is entered through the isolated gas of gas-oil separation unit, by the chromatographic column in chromatographic resolution unit, under constant temperature and pressure condition, under the effect of carrier gas, gather gas and isolated the gas feeding gas detection cell such as H2, CO, CO2, CH4, C2H4, C2H2, C2H6 by chromatographic column order, realize the monitoring of characteristic gas in transformer oil, being separated of the degassed flow process that data collection control unit completes gas-oil separation unit and various component gas data, collection, storage, and the data of acquisition are sent to data processing service unit, complete the communication with host computer by CAN interface or RS485 interface, the communication with remote monitoring center is completed by GPRS wireless Modem, data processing server carries out quantitative test according to the nominal data of instrument, calculate the content of each component and total hydrocarbon and respective rate of growth, by fault diagnosis expert system, transformer fault is diagnosed again, thus realize the on-line monitoring of transformer fault, owing to causing larger vibration in locomotive operation process, the present invention is by using ferrule pipeline connector as the docking mode of connecting line, achieve double seal, effectively prevent the drawback that the joint looseness produced due to vibration in locomotive operation causes oil to be revealed, the front cutting ferrule 8 of ferrule pipeline connector is pushed into joint body 9 and cutting ferrule pipe 10 forms primary seal, then cutting ferrule 6 inwardly produces hinge effect to form strong firmly grasping to cutting ferrule pipe 10, the geometric configuration of rear cutting ferrule 6 contributes to producing clamp effect, this effect can be converted into axially-movable the radial compression effect on cutting ferrule pipe 10, this pipe docking mode is made to have splendid air seal and cutting ferrule pipe 10 promptly effect, at least 20MPa pressure can be born under locomotive operation site environment, also there is fabulous anti-vibration fatigue behaviour and cutting ferrule pipe supporting capacity, the present invention is in order to save placement space, transformer oil chromatographic on-Line Monitor Device can be designed to micromodule, described micromodule is all placed in modular cartridge, be arranged on the top of damping base, and size is elected as minimum by each valve body in the present invention, the pump housing under the prerequisite not affecting performance, not only efficiently solve the problem that locomotive car body lays narrow space, and can design different sizes according to the difference of locomotive vehicle-mounted transformer, described carrier gas generation module is owing to locomotive not allowing install compressed gas cylinder, just make on locomotive, to produce the carrier gas used of mobile transformer oil chromatography on-line monitoring system, there are following two kinds of carrier gas schemes, A, the pressurized air utilized on locomotive, all there is dried compressed air system through simple process as on carrier gas locomotive, by adaptor, get its pressurized air, through except hydrocarbon, voltage stabilizing process, as carrier gas, but on locomotive, whether compressed air quality meets mobile transformer oil chromatography on-line monitoring system, needs to confirm at the scene, B, installation carrier gas generation module: adopt positive pressure ventilation mode, namely air compressor is utilized to form malleation source of the gas, align pressurized air source and carry out drying and purified treatment, supply mobile transformer oil chromatography on-line monitoring system uses, in use suitable regeneration is designed, so that the online non-maintaining application of whole system to purification and irradiation modules, for HXD3 locomotive transformer, during test, use independent carrier gas generation module and B scheme, if adopt A scheme can also the volume of reduction means greatly when locomotive manufacturing.Apparatus of the present invention power supply used is drawn in the wiring of intra-locomotive low-voltage electrical cabinet, adopts intra-locomotive power supply, adopts uninterrupted power source for overcoming the brief power outage crossed between phase-separating section on locomotive line; Described oil chromatography on-Line Monitor Device can use equally on locomotive high-voltage voltage transformer (VT).
Part not in the detailed description of the invention is prior art.
The embodiment selected in this article in order to open goal of the invention of the present invention, currently thinks to be suitable for, but it is to be understood that the present invention is intended to comprise all changes belonging to the embodiment in this design and invention scope and improvement.

Claims (8)

1. the oil chromatography on-Line Monitor Device of a traction transformer of locomotive, it is characterized in that: described device is fixedly installed in the assemblage gap of transformer oil heating radiator cooling tower by damping base, described device comprises oil sample collecting unit, gas-oil separation unit, chromatographic resolution unit, gas detection cell, data collection control unit, PID temperature controller unit and data service platform, the oil-in of described oil sample collecting unit is connected by ferrule pipeline connector with oil sample introduction tube, the oil-out of described oil sample collecting unit is connected with the import of gas-oil separation unit, the outlet of described gas-oil separation unit is connected with the pipeline of chromatographic resolution unit, by the chromatographic column in chromatographic resolution unit, the gas of separation is sent to gas detection cell by pipeline, described gas detection cell is connected with data collection control unit by signal transmssion line, described PID temperature controller unit respectively with gas-oil separation unit, chromatographic resolution unit, gas detection cell, data collection control unit is connected by RS232, described data collection control unit is connected by RS485 with data service platform.
2. the oil chromatography on-Line Monitor Device of traction transformer of locomotive according to claim 1, it is characterized in that: described gas-oil separation unit comprises transformer, oil pump, motor, except oil cavity (4), degassed cavity (2), air pump and vacuum pump, described transformer is connected with oil pump by oil pipe, described oil pump connects except oil cavity (4) by oil pipe, transformer is flow back to by oil pipe by except the oil in oil cavity (4), motor is provided with in the one end except oil cavity (4), except the other end of oil cavity (4) is connected by pipeline with degassed cavity (2), by the to-and-fro movement of motor, to be transported in degassed cavity (2) except isolated gas in oil cavity (4), described degassed cavity (2) is connected with air pump and vacuum pump respectively, the pipeline of degassed cavity (2) with air pump is provided with the quantity tube (3) of six-way valve, the pipeline of degassed cavity (2) with vacuum pump is provided with pressure transducer (1), oil pipe line between transformer and oil pump is respectively equipped with turnover solenoid V5 and V1, solenoid V6 and V2 is being passed in and out except the oil pipe line between oil cavity (4) and transformer is respectively equipped with, solenoid valve V3 is being provided with except on the pipeline between oil cavity (4) and degassed cavity (2), pipeline between pressure transducer (1) and vacuum pump is provided with solenoid valve V4.
3. the oil chromatography on-Line Monitor Device of traction transformer of locomotive according to claim 1, it is characterized in that: described chromatographic resolution unit comprises dry gas, pressure maintaining valve and chromatographic column, described dry gas is connected with the six-way valve quantity tube (3) in gas-oil separation unit by pipeline, isolated gas is sent into gas detection cell by chromatographic column by the dry gas in described six-way valve quantity tube (3), and the pipeline between dry gas and six-way valve quantity tube (3) is provided with pressure maintaining valve.
4. the oil chromatography on-Line Monitor Device of traction transformer of locomotive according to claim 1, it is characterized in that: described ferrule pipeline connector comprises front cutting ferrule (8), rear cutting ferrule (6), cutting ferrule pipe (10), nut (5) and joint body (9), nut (5) is provided with in the outside of cutting ferrule pipe (10), joint body (9) is respectively equipped with between cutting ferrule pipe (10) and nut (5), front cutting ferrule (10) and rear cutting ferrule (6), the internal thread of described nut (5) is threaded with the external thread of joint body (9), front cutting ferrule (8) is provided with between cutting ferrule pipe (10) and joint body (9), described rear cutting ferrule (6) is arranged between nut baffle ring (11) and cutting ferrule pipe (10), the hinge point (7) of rear cutting ferrule (6) bottom respectively with cutting ferrule pipe (10), front cutting ferrule (8) is fitted, top and the nut baffle ring (11) of rear cutting ferrule (6) are fitted.
5. the oil chromatography on-Line Monitor Device of traction transformer of locomotive according to claim 1, is characterized in that: described damping base is rubber air spring.
6. the oil chromatography on-Line Monitor Device of traction transformer of locomotive according to claim 1, it is characterized in that: described device is micromoduleization design, described micromodule is all placed in modular cartridge, be arranged on the top of damping base, described micromodule comprises Systematical control and communication module, gas-oil separation detection module and carrier gas generation module, and described Systematical control and communication module, gas-oil separation detection module and carrier gas generation module are installed by in-site installation position combination in any.
7. the oil chromatography on-Line Monitor Device of traction transformer of locomotive according to claim 7, it is characterized in that: described Systematical control and communication module comprise data collection control unit, PID temperature controller unit and data service platform, described gas-oil separation detection module comprises oil sample collecting unit, gas-oil separation unit, chromatographic resolution unit and gas detection cell.
8. the oil chromatography on-Line Monitor Device of traction transformer of locomotive according to claim 7, described carrier gas generation module adopts positive pressure ventilation mode, namely utilizes air compressor to form malleation source of the gas, aligns after pressurized air source carries out drying and purified treatment and use.
CN201510005731.XA 2015-01-07 2015-01-07 A kind of oil chromatography on-Line Monitor Device of traction transformer of locomotive Active CN104569204B (en)

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CN105158376A (en) * 2015-08-21 2015-12-16 许继集团有限公司 Oil-gas separation cylinder, oil-gas separation device and oil chromatography
CN106382964A (en) * 2015-08-05 2017-02-08 特变电工股份有限公司 Oil metering system
CN109908629A (en) * 2019-04-16 2019-06-21 贵州电网有限责任公司都匀供电局 A kind of self-produced vacuum outgas method
CN110879268A (en) * 2019-12-03 2020-03-13 河北英博认证有限公司河南分公司 Safety detection equipment for transformer oil of power grid
CN110927273A (en) * 2019-12-02 2020-03-27 上海宝钢工业技术服务有限公司 Chromatographic analysis and determination method for dissolved gas in transformer oil
CN111638296A (en) * 2020-06-10 2020-09-08 湖南铁路科技职业技术学院 Online monitoring system for main transformer of locomotive and operation method of online monitoring system
CN114113384A (en) * 2021-11-22 2022-03-01 国网河南省电力公司平顶山供电公司 Power transformer body and on-load tap-changer integrated chromatographic on-line monitoring device
CN117929654A (en) * 2024-03-21 2024-04-26 南方电网科学研究院有限责任公司 Transformer bushing free gas detection device and detection method

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