CN103048533A - Switch cabinet online monitor easy in information acquisition - Google Patents
Switch cabinet online monitor easy in information acquisition Download PDFInfo
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- CN103048533A CN103048533A CN2012102319192A CN201210231919A CN103048533A CN 103048533 A CN103048533 A CN 103048533A CN 2012102319192 A CN2012102319192 A CN 2012102319192A CN 201210231919 A CN201210231919 A CN 201210231919A CN 103048533 A CN103048533 A CN 103048533A
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Abstract
The invention discloses a switch cabinet online monitor easy in information acquisition. The monitor comprises a display and a voltage and current acquisition unit, an analog (A)/digital (D) converter and a microprocessor which are integrated on the same circuit board, wherein an input end of the voltage and current acquisition unit is connected with an lightning arrester and a capacitive columnar sensor in a switch cabinet through leads, an output end of the voltage and current acquisition unit is connected with the input end of the A/D converter, the output of the A/D converter is connected with the input of the microprocessor, and the output of the microprocessor is connected onto a display through the lead. The monitor has the beneficial effects that the monitor can accurately monitor the voltage of circuit-side equipment and the leakage current and resistive current of the arrester, so that guarantee is provided for the safety of working personnel; and moreover, detailed data can be used for better judging the working condition of the arrester, accidents which are caused by the damaged arrester can be avoided, a movable memory is added on the processor, so that the trouble of the working personnel in copying the data is solved.
Description
Technical field
The present invention relates to a kind of switch cubicle on-line monitoring device that is easy to Information Monitoring.
Background technology
High-tension switch cabinet is transformer station's electrical equipment commonly used, the electroscopic device of existing switch cabinet outlet side generally can only have or not with diode displaying charged, but the actual voltage value to equipment live can't carry out in real time, the accurate demonstration, can't provide comprehensive safety guarantee for the staff.
At present the lightning arrester in the Test Switchboard cabinet is aging generally all is by annual lightning arrester prerun, but in the prerun qualified lightning arrester after in service or can be damaged and premature aging, cause the accident that is difficult to estimate.
Summary of the invention
Purpose of the present invention namely is to overcome the deficiency of present technology, a kind of switch cubicle on-line monitoring device that is easy to Information Monitoring is provided, the accurately leakage current of measuring circuit side apparatus voltage and lightning arrester and current in resistance property, for staff's safety provides guarantee, and detailed data can help the staff better to judge the working condition of lightning arrester, avoids causing the accident that is difficult to estimate because of the premature aging of lightning arrester or damage.
The present invention is achieved through the following technical solutions: the switch cubicle on-line monitoring device that is easy to Information Monitoring, comprise display and be integrated in electric current and voltage collecting unit on the same circuit board, A/D converter and microprocessor, the input end of described electric current and voltage collecting unit is connected to lightning arrester and condenser type pillar sensor in the switch cubicle by lead-in wire, the output terminal of electric current and voltage collecting unit connects the input end of A/D converter, the input of the output connecting microprocessor of A/D converter, the output of microprocessor is connected on the display by lead-in wire, also be connected with a storer on the microprocessor, storer is removable memory.
Electric current and voltage collecting unit of the present invention is the three-phase electric energy acquisition chip, it comprises three voltage analog signal inputs and three current analog signal inputs, condenser type pillar sensor is as the input block of voltage analog signal in the high-voltage board, and lightning arrester is as the input block of current analog signal.
Be provided with dividing potential drop capacitor C 1, C2 between described electric current and voltage collecting unit and the condenser type pillar sensor.
Be provided with stake resistance R1 between described electric current and voltage collecting unit and the lightning arrester.
Principle of work of the present invention is: after the electric current and voltage collecting unit collects three-phase current and three-phase voltage, send to A/D converter, A/D converter carries out digital-to-analog conversion with voltage and current signal and re-sends to microprocessor, by microprocessor the three-phase current voltage signal is carried out fast processing, calculate three-phase total current, current in resistance property and voltage value, last microprocessor sends to these numerical value in the display and shows.
The invention has the beneficial effects as follows: the accurately leakage current of measuring circuit side apparatus voltage and lightning arrester and current in resistance property, for staff's safety provides guarantee, and detailed data can better be judged the working condition of lightning arrester, the accident of avoiding the damage because of lightning arrester to cause, increase a removable memory at processor, solved the trouble that the staff makes a copy of data.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, be easy to the switch cubicle on-line monitoring device of Information Monitoring, comprise display and be integrated in electric current and voltage collecting unit on the same circuit board, A/D converter and microprocessor, the input end of described electric current and voltage collecting unit is connected to lightning arrester and condenser type pillar sensor in the switch cubicle by lead-in wire, the output terminal of electric current and voltage collecting unit connects the input end of A/D converter, the input of the output connecting microprocessor of A/D converter, the output of microprocessor is connected on the display by lead-in wire, also be connected with a storer on the microprocessor, storer is removable memory.
Electric current and voltage collecting unit of the present invention is the three-phase electric energy acquisition chip, it comprises three voltage analog signal inputs and three current analog signal inputs, condenser type pillar sensor is as the input block of voltage analog signal in the high-voltage board, and lightning arrester is as the input block of current analog signal.
Be provided with dividing potential drop capacitor C 1, C2 between described electric current and voltage collecting unit and the condenser type pillar sensor.
Be provided with stake resistance R1 between described electric current and voltage collecting unit and the lightning arrester.
Principle of work of the present invention is: after the electric current and voltage collecting unit collects three-phase current and three-phase voltage, send to A/D converter, A/D converter carries out digital-to-analog conversion with voltage and current signal and re-sends to microprocessor, by microprocessor the three-phase current voltage signal is carried out fast processing, calculate the three-phase total current, current in resistance property and voltage value, last microprocessor sends to these numerical value in the display and shows, and microprocessor sends to data on the removable memory and stores, when the staff need to obtain data, only need to take off removable memory, data on the read memory get final product, and have saved very large trouble.
Claims (4)
1. be easy to the switch cubicle on-line monitoring device of Information Monitoring, it is characterized in that: comprise display and be integrated in electric current and voltage collecting unit on the same circuit board, A/D converter and microprocessor, the input end of described electric current and voltage collecting unit is connected to lightning arrester and condenser type pillar sensor in the switch cubicle by lead-in wire, the output terminal of electric current and voltage collecting unit connects the input end of A/D converter, the input of the output connecting microprocessor of A/D converter, the output of microprocessor is connected on the display by lead-in wire, also be connected with a storer on the microprocessor, storer is removable memory.
2. the switch cubicle on-line monitoring device that is easy to Information Monitoring according to claim 1, it is characterized in that: described electric current and voltage collecting unit is the three-phase electric energy acquisition chip.
3. the switch cubicle on-line monitoring device that is easy to Information Monitoring according to claim 1 is characterized in that: be provided with dividing potential drop capacitor C 1, C2 between described electric current and voltage collecting unit and the condenser type pillar sensor.
4. the switch cubicle on-line monitoring device that is easy to Information Monitoring according to claim 1 is characterized in that: be provided with stake resistance R1 between described electric current and voltage collecting unit and the lightning arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102319192A CN103048533A (en) | 2011-10-14 | 2012-07-06 | Switch cabinet online monitor easy in information acquisition |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311740 | 2011-10-14 | ||
| CN201110311740.3 | 2011-10-14 | ||
| CN2012102319192A CN103048533A (en) | 2011-10-14 | 2012-07-06 | Switch cabinet online monitor easy in information acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103048533A true CN103048533A (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102319192A Pending CN103048533A (en) | 2011-10-14 | 2012-07-06 | Switch cabinet online monitor easy in information acquisition |
Country Status (1)
| Country | Link |
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| CN (1) | CN103048533A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502772A (en) * | 2014-12-29 | 2015-04-08 | 浙江群力电气有限公司 | Electrical parameter monitoring device and intelligent switch cabinet |
| CN105823949A (en) * | 2016-05-18 | 2016-08-03 | 国网新疆电力公司巴州供电公司 | Lightning arrester online monitor |
| CN106154015A (en) * | 2016-08-10 | 2016-11-23 | 国网江苏省电力公司南通供电公司 | Distributed power source circuit middle-placed switch cabinet miniaturized circuitry voltage collecting device |
| CN107748290A (en) * | 2017-12-05 | 2018-03-02 | 国网安徽省电力公司淮南供电公司 | A kind of nuclear phase discriminating gear and control method based on digital circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090167289A1 (en) * | 2006-09-21 | 2009-07-02 | Peter Hartinger | Monitoring a Protective Device Arranged Upstream of a Switching Device |
| CN101576595A (en) * | 2009-06-16 | 2009-11-11 | 四川蓝讯宝迩电子科技有限公司 | Online monitoring and electricity testing method of switch cabinet lightning arrester and device for realizing same |
| US20100037107A1 (en) * | 2007-04-27 | 2010-02-11 | Airbus Deutschland Gmbh | Method for testing a communication connection |
| CN201583603U (en) * | 2009-06-16 | 2010-09-15 | 四川省电力公司资阳公司 | Switch cabinet electricity testing lightning arrester on-line monitoring device |
| CN202631625U (en) * | 2012-07-06 | 2012-12-26 | 四川蓝讯宝迩电子科技有限公司 | On-line monitor for switch cabinet capable of collecting information easily |
-
2012
- 2012-07-06 CN CN2012102319192A patent/CN103048533A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090167289A1 (en) * | 2006-09-21 | 2009-07-02 | Peter Hartinger | Monitoring a Protective Device Arranged Upstream of a Switching Device |
| US20100037107A1 (en) * | 2007-04-27 | 2010-02-11 | Airbus Deutschland Gmbh | Method for testing a communication connection |
| CN101576595A (en) * | 2009-06-16 | 2009-11-11 | 四川蓝讯宝迩电子科技有限公司 | Online monitoring and electricity testing method of switch cabinet lightning arrester and device for realizing same |
| CN201583603U (en) * | 2009-06-16 | 2010-09-15 | 四川省电力公司资阳公司 | Switch cabinet electricity testing lightning arrester on-line monitoring device |
| CN202631625U (en) * | 2012-07-06 | 2012-12-26 | 四川蓝讯宝迩电子科技有限公司 | On-line monitor for switch cabinet capable of collecting information easily |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502772A (en) * | 2014-12-29 | 2015-04-08 | 浙江群力电气有限公司 | Electrical parameter monitoring device and intelligent switch cabinet |
| CN105823949A (en) * | 2016-05-18 | 2016-08-03 | 国网新疆电力公司巴州供电公司 | Lightning arrester online monitor |
| CN106154015A (en) * | 2016-08-10 | 2016-11-23 | 国网江苏省电力公司南通供电公司 | Distributed power source circuit middle-placed switch cabinet miniaturized circuitry voltage collecting device |
| CN107748290A (en) * | 2017-12-05 | 2018-03-02 | 国网安徽省电力公司淮南供电公司 | A kind of nuclear phase discriminating gear and control method based on digital circuit |
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Application publication date: 20130417 |