CN1865512A - Computer on-line insulating monitoring and alarming system of AC power supply device in aluminum electrolysis shop - Google Patents
Computer on-line insulating monitoring and alarming system of AC power supply device in aluminum electrolysis shop Download PDFInfo
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- CN1865512A CN1865512A CN 200610046352 CN200610046352A CN1865512A CN 1865512 A CN1865512 A CN 1865512A CN 200610046352 CN200610046352 CN 200610046352 CN 200610046352 A CN200610046352 A CN 200610046352A CN 1865512 A CN1865512 A CN 1865512A
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Abstract
The invention discloses an on-line insulating monitor and alarming system of aluminum electrolytic department AC power device computer, which is characterized by the following: transforming traditional diode, capacity, resistance in the AC separation power device neutral point insulating monitor device into intelligent detecting device with analog quantity and switch quantity output; sending the neutral point insulating condition, power device normal working and accident condition together to remote I-to-O gathering terminal; uploading to the precedence computer system; proceeding on-line monitor and alarm for accident; making operator acquire the working condition of AC separation power device; improving the reliability of power supplying device; avoiding possible danger problem in the electrolytic groove insulating working region.
Description
Affiliated technical field
The present invention relates to potroom insulation detection system, particularly relate to a kind of AC power supply device in aluminum electrolysis shop computer on-line insulating monitoring and warning.AC power supply device in aluminum electrolysis shop computer on-line insulating monitoring and warning are not allow work zero-sum the earth zero to introduce at the potroom operation planar, for the interchange isolated power supply of its power supply is made up of many insulating power supply transformers, all insulating power supply transformer neutral points must carry out insulation processing, this system is the auxiliary solution that exchanges isolated power supply neutral point computer on-line insulating monitoring and warning of potroom, and it belongs to potroom insulation processing and detection technique field.
Background technology
The electrolyzer production system is an electrified body, need carry out strict insulation processing for the personnel safety that guarantees operator to its operation planar in the production process, the earth zero potential reaches to be forbidden being incorporated in the insulating regions of operation planar for the interchange insulating power supply system works of its power supply is zero, therefore not only to carry out insulation processing to the operation planar of potroom, also must carry out insulation processing to neutral point for the interchange isolated power supply of its power supply, what traditional interchange isolated power supply neutral point insulation watching device adopted is diode, electric capacity, the simulator that electronic devices and components such as resistance constitute, the scene is provided with the insulation monitoring pointer instrument on the spot, the tour personnel need regularly to on-the-spot total indicator reading, find by artificial whether insulation destroys, there is not online insulation breakdown warning, before in case the not timely discovery of insulation breakdown tour personnel takes place, to the bigger danger of personnel component in operation planar and the cell insulation workspace.
Content of the present invention
Technical problem to be solved by this invention provides a kind of potroom ac power supply apparatus computer on-line insulating monitoring and warning, purpose is to improve to exchange the reliability of isolated power supply to potroom insulation operation planar block supply, the workload of minimizing personnel periodical inspection, solve owing to exchange the neutral point insulation destruction of isolated power supply, the tour personnel in time do not find, may cause the problem of personnel's injury in the cell insulation workspace, it detects accurately, safe, save manpower.
In order to solve the problems of the technologies described above, the present invention is achieved in that potroom ac power supply apparatus computer on-line insulating monitoring and warning, and it is to be made of following structure: monitor intelligent object, be used to gather the neutral point insulation signal of supply transformer; The remote I/O acquisition terminal, be used for receiving the working state signal of the inlet wire of each supply transformer that exchanges isolated power supply and feeder switch and monitor the neutral point insulation signal of the supply transformer that intelligent object is gathered, and transfer to the host computer system after above-mentioned conversion of signals become numerary signal; The host computer system is used for the signal of receiving remote I/O acquisition terminal input, and carries out programmed process and show and respectively exchange the isolated power supply working order, when neutral point insulating destroys and send during other operation irregularity guard signal.
Described supervision intelligent object is arranged in the supply transformer screen, each supply transformer is provided with one and monitors intelligent object, the input terminus that monitors intelligent object is connected with the neutral point of supply transformer, and output terminal is connected by the input terminus of shielding cable with the remote I/O acquisition terminal.
Described supervision intelligent object is to form by silicon controlled rectifier, electric capacity, resistance and voltage transmitter are integrated, it is by detecting each supply transformer neutral point voltage to ground, and detected voltage signal offered the remote I/O acquisition terminal through voltage transmitter, after converting digital communication signal to, uploads the remote I/O acquisition terminal host computer system again.
Described each isolated power supply is provided with a remote I/O acquisition terminal.
The inlet wire of described each supply transformer and the working state signal of feeder switch are to be sent to the remote I/O acquisition terminal by umbilical cable, one end of umbilical cable is connected with the input terminus of remote I/O acquisition terminal, and the other end is connected with the output terminal of each supply transformer screen.
Described each remote I/O acquisition terminal is by communication cable the signal of gathering to be transferred to refining plant host computer system.
Advantage of the present invention and effect are as follows:
The present invention is with traditional demonstration on the spot, exchange isolated power supply neutral point insulation situation by the manual patrol inspection and change intelligent checking system into, the neutral point insulation situation of isolated power supply will be exchanged, supply unit works better and failure condition collection remote I/O acquisition terminal extremely on the spot, refining plant host computer system is delivered in teletransmission again, can be in the host computer system to exchanging the neutral point insulation situation of isolated power supply, supply unit works better and failure condition carry out in-service monitoring, can report to the police to destruction of insulation and supply unit fault simultaneously, improved and exchanged the reliability of isolated power supply to potroom insulation operation planar block supply, reduced the workload of personnel's periodical inspections, solved owing to exchange the neutral point insulation of isolated power supply, the tour personnel in time do not find, may cause the problem of personnel's injury in the cell insulation workspace.The present invention can detect in real time to the ac power supply apparatus of aluminium electrolysis shop, adopts system of the present invention to save manpower, and is safe, detects accurately.
Description of drawings
Fig. 1 is the configuration structure synoptic diagram of system of the present invention.
Wherein: 1, roasting groove supply transformer screen, 2, logic power transformer screen, 3, control supply transformer screen, 4, anode promotes the supply transformer screen, and 5, monitor intelligent object, 6, the remote I/O acquisition terminal, 7, host computer system, 8, umbilical cable, 9, shielding cable, 10, communication cable.
Specific implementation method
Describe the present invention below in conjunction with accompanying drawing, but protection scope of the present invention is not limited by embodiment.
Needing the consumer of insulating power supply power supply in potroom mainly is to be the unit with the electrolyzer, electrolyzer is evenly distributed in two long potrooms, therefore, power supply relatively disperses, so need being set, several interchange isolated power supplies are its power supply, usually purify by electrolysis flue gas and carry out subregion, will exchange isolated power supply and be arranged in the electrolysis flue gas purification electric substation.Potroom ac power supply apparatus computer on-line insulating monitoring of the present invention and warning, its structure is as follows: monitor intelligent object 5, be used to gather the neutral point insulation signal of supply transformer; Remote I/O acquisition terminal 6, be used for receiving the working state signal of the inlet wire of each supply transformer that exchanges isolated power supply and feeder switch and monitor the neutral point insulation signal of the supply transformer that intelligent object 5 is gathered, and transfer to host computer system 7 after above-mentioned conversion of signals become numerary signal; Host computer system 7 is used for the signal of receiving remote I/O acquisition terminal 6 input, and carries out programmed process and show and respectively exchange the isolated power supply working order, when neutral point insulating destroys and send during other operation irregularity guard signal.
Describe the present invention in detail below in conjunction with accompanying drawing, AC power supply device in aluminum electrolysis shop computer on-line insulating monitoring and warning, structure as shown in Figure 1, at first each is exchanged each the roasting groove supply transformer screen 1 in the isolated power supply, logic power transformer screen 2, control supply transformer screen 3, anode promotes supply transformer screen 4 and waits the neutral point insulation device of each supply transformer by original diode, electric capacity, the simulator that electronic devices and components such as resistance constitute is designed to the functional device with analog quantity output, promptly in each supply transformer screen in each interchange isolated power supply a supervision intelligent object 5 that is used to gather the neutral point insulation signal is set, on each interchange isolated power supply, a remote I/O acquisition terminal 6 is set, each exchanges each the roasting groove supply transformer in the isolated power supply, the logic power transformer, the control supply transformer, the neutral point insulation signal of power supply transformer is gathered to remote I/O acquisition terminal 6 by each supervision intelligent object 5, the input terminus that monitors intelligent object 5 is connected with the neutral point of supply transformer, monitors that the output terminal of intelligent object 5 is connected with the input terminus of remote I/O acquisition terminal 6 by shielding cable 9; Each exchanges the inlet wire of each supply transformer in the isolated power supply and the working state signal of feeder switch is to be transferred to remote I/O acquisition terminal 6 by umbilical cable 8, one end of umbilical cable 8 is connected with the input terminus of remote I/O acquisition terminal 6, the other end is connected with the output terminal of each supply transformer screen, each remote I/O acquisition terminal 6 is the I/O workstation reaches the signal of gathering refining plant through communication cable 10 a host computer system 7, carry out programmed process and show the working order that respectively exchanges isolated power supply in host computer system 7, host computer system 7 sends guard signal when neutral point insulating destruction and other operation irregularity.Host computer system 7 can be with the electrolysis flue gas purification system shared one, is arranged in the watch-keeping cubicle of electrolysis flue gas purification system.
Above-mentioned supervision intelligent object 5 is by each supply transformer neutral point voltage to ground is detected, and detected voltage signal offered remote I/O acquisition terminal 6 by monitoring the voltage transmitters in the intelligent object 5, after converting digital communication signal to, uploads remote I/O acquisition terminal 6 host computer system 7 again.Monitor that intelligent object 5 is to form by silicon controlled rectifier, electric capacity, resistance and voltage transmitter are integrated.
Above-mentioned isolated power supply is made up of many insulating power supply transformers, be that one or more unit supply transformer screen is formed, each unit supply transformer screen is made up of several identical or different supply transformer screens, the supply transformer screen is divided into: roasting groove supply transformer screen, logic power transformer screen, control supply transformer screen and anode promote the supply transformer screen, and this is that prior art is not being described in detail.
Claims (6)
1, potroom ac power supply apparatus computer on-line insulating monitoring and warning is characterized in that its structure is as follows:
Monitor intelligent object (5), be used to gather the neutral point insulation signal of supply transformer;
Remote I/O acquisition terminal (6), be used for receiving the working state signal of the inlet wire of each supply transformer that exchanges isolated power supply and feeder switch and monitor the neutral point insulation signal of the supply transformer that intelligent object (5) is gathered, and transfer to host computer system (7) after above-mentioned conversion of signals become numerary signal;
Host computer system (7) is used for the signal of receiving remote I/O acquisition terminal (6) input, and carries out programmed process and show and respectively exchange the isolated power supply working order, when neutral point insulating destroys and send during other operation irregularity guard signal.
2, potroom ac power supply apparatus computer on-line insulating monitoring according to claim 1 and warning, it is characterized in that described supervision intelligent object (5) is arranged in the supply transformer screen, each supply transformer is provided with one and monitors intelligent object (5), the input terminus that monitors intelligent object (5) is connected with the neutral point of supply transformer, and output terminal is connected with the input terminus of remote I/O acquisition terminal (6) by shielding cable (9).
3, potroom ac power supply apparatus computer on-line insulating monitoring according to claim 1 and 2 and warning, it is characterized in that described supervision intelligent object (5) is to form by silicon controlled rectifier, electric capacity, resistance and voltage transmitter are integrated, it is by detecting each supply transformer neutral point voltage to ground, and detected voltage signal offered remote I/O acquisition terminal (6) through voltage transmitter, after converting digital communication signal to, uploads remote I/O acquisition terminal (6) host computer system (7) again.
4, potroom ac power supply apparatus computer on-line insulating monitoring according to claim 1 and warning is characterized in that described each isolated power supply is provided with a remote I/O acquisition terminal (6).
5, potroom ac power supply apparatus computer on-line insulating monitoring according to claim 1 and warning, it is characterized in that the inlet wire of described each supply transformer and the working state signal of feeder switch are to be sent to remote I/O acquisition terminal (6) by umbilical cable (8), one end of umbilical cable (8) is connected with the input terminus of remote I/O acquisition terminal (6), and the other end is connected with the output terminal of each supply transformer screen.
6, potroom ac power supply apparatus computer on-line insulating monitoring according to claim 1 and warning, described each remote I/O acquisition terminal (6) are by communication cable (10) signal of gathering to be transferred to host computer system (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100463526A CN100540750C (en) | 2006-04-24 | 2006-04-24 | AC power supply device in aluminum electrolysis shop computer on-line insulating monitoring and warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100463526A CN100540750C (en) | 2006-04-24 | 2006-04-24 | AC power supply device in aluminum electrolysis shop computer on-line insulating monitoring and warning |
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| Publication Number | Publication Date |
|---|---|
| CN1865512A true CN1865512A (en) | 2006-11-22 |
| CN100540750C CN100540750C (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100463526A Active CN100540750C (en) | 2006-04-24 | 2006-04-24 | AC power supply device in aluminum electrolysis shop computer on-line insulating monitoring and warning |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550567B (en) * | 2009-03-23 | 2011-12-28 | 谢强伟 | Method for protecting electrolyzer voltage and protective system |
| CN104678209A (en) * | 2014-12-17 | 2015-06-03 | 沈阳铝镁设计研究院有限公司 | Multifunctional overhead crane insulation monitoring system for electrolytic workshops |
| CN105463507A (en) * | 2014-09-22 | 2016-04-06 | 沈阳铝镁设计研究院有限公司 | Method and device for electrolytic tank smoke discharging pipeline valve electrostatic protection grounding of aluminum electrolytic plant |
-
2006
- 2006-04-24 CN CNB2006100463526A patent/CN100540750C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550567B (en) * | 2009-03-23 | 2011-12-28 | 谢强伟 | Method for protecting electrolyzer voltage and protective system |
| CN105463507A (en) * | 2014-09-22 | 2016-04-06 | 沈阳铝镁设计研究院有限公司 | Method and device for electrolytic tank smoke discharging pipeline valve electrostatic protection grounding of aluminum electrolytic plant |
| CN105463507B (en) * | 2014-09-22 | 2017-12-15 | 沈阳铝镁设计研究院有限公司 | The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding |
| CN104678209A (en) * | 2014-12-17 | 2015-06-03 | 沈阳铝镁设计研究院有限公司 | Multifunctional overhead crane insulation monitoring system for electrolytic workshops |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100540750C (en) | 2009-09-16 |
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Owner name: SHENYANG ALUMINUM + MAGNESIUM ENGINEERING + RESEAR Free format text: FORMER NAME: SHENYANG ALUMINIUM AND MAGNESIUM DESIGN INST. |
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Address after: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee after: Shenyang Aluminum & Magnesium Engineering & Research Institute Co., Ltd. Address before: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee before: Shenyang Aluminium and Magnesium Design Institute |