CN202631625U - On-line monitor for switch cabinet capable of collecting information easily - Google Patents
On-line monitor for switch cabinet capable of collecting information easily Download PDFInfo
- Publication number
- CN202631625U CN202631625U CN 201220324271 CN201220324271U CN202631625U CN 202631625 U CN202631625 U CN 202631625U CN 201220324271 CN201220324271 CN 201220324271 CN 201220324271 U CN201220324271 U CN 201220324271U CN 202631625 U CN202631625 U CN 202631625U
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- voltage
- microprocessor
- converter
- collecting unit
- electric current
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Abstract
The utility model discloses an on-line monitor for a switch cabinet capable of collecting information easily. The on-line monitor comprises a display, and a voltage and current collection unit, an A/D converter and a microprocessor which are integrated on one circuit board, wherein the input end of the voltage and current collection unit is connected with a lightning arrester and a capacitive strut sensor in the switch cabinet through leads, the output end of the voltage and current collection 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 with the display through the lead. The on-line monitor, provided by the utility model, has the advantages that: the voltage of a line side device, and leakage current and resistive current of the lighting arrester are precisely measured, safety of workers is ensured, a work condition of the lighting arrester is judged well through detailed information, accidents caused by damage of the lighting arrester are avoided, and a movable memory is added on the processor, so that the trouble of copying the data by the workers can be solved.
Description
Technical field
The utility model 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 cubicle outlet side generally can only have or not charged with diode displaying; But can't carry out in real time, show accurately the charged actual voltage value of equipment, can't comprehensive safety guarantee be provided for the staff.
At present the lightning arrester in the Test Switchboard cabinet is aging generally all is through annual lightning arrester prerun, but in the prerun qualified lightning arrester after in servicely still can be damaged and wear out in advance, cause the accident that is difficult to estimate.
The utility model content
The purpose of the utility model promptly 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 because of the aging in advance of lightning arrester or damage causing the accident that is difficult to estimate.
The utility model is realized through following technical scheme: 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, A/D converter and the microprocessor on the same circuit board; 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 through 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, and the output of microprocessor is connected on the display through lead-in wire; Also be connected with a storer on the microprocessor, storer is a removable memory.
The described electric current and voltage collecting unit of the utility model 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.
The principle of work of the utility model 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 beneficial effect of the utility model is: 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 increases a removable memory on processor, solved the trouble that the staff makes a copy of data.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to specify:
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, A/D converter and the microprocessor on the same circuit board, 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 through lead-in wire, and 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 through lead-in wire, also is connected with a storer on the microprocessor, and storer is a removable memory.
The described electric current and voltage collecting unit of the utility model 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.
The principle of work of the utility model is: the electric current and voltage collecting unit sends to A/D converter after collecting three-phase current and three-phase voltage, and 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, and microprocessor sends to data on the removable memory and stores; When the staff need obtain data; Only need take off removable memory, the data that read on the storer get final product, and have saved very big 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, A/D converter and the microprocessor on the same circuit board; 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 through 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, and the output of microprocessor is connected on the display through lead-in wire; Also be connected with a storer on the microprocessor, storer is a 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 |
|---|---|---|---|
| CN 201220324271 CN202631625U (en) | 2012-07-06 | 2012-07-06 | On-line monitor for switch cabinet capable of collecting information easily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324271 CN202631625U (en) | 2012-07-06 | 2012-07-06 | On-line monitor for switch cabinet capable of collecting information easily |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631625U true CN202631625U (en) | 2012-12-26 |
Family
ID=47384815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324271 Expired - Fee Related CN202631625U (en) | 2012-07-06 | 2012-07-06 | On-line monitor for switch cabinet capable of collecting information easily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048533A (en) * | 2011-10-14 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | Switch cabinet online monitor easy in information acquisition |
| CN104535822A (en) * | 2015-01-04 | 2015-04-22 | 吉唯达(上海)电气有限公司 | Built-in integrated voltage and current sensor of solid insulation pole |
-
2012
- 2012-07-06 CN CN 201220324271 patent/CN202631625U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048533A (en) * | 2011-10-14 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | Switch cabinet online monitor easy in information acquisition |
| CN104535822A (en) * | 2015-01-04 | 2015-04-22 | 吉唯达(上海)电气有限公司 | Built-in integrated voltage and current sensor of solid insulation pole |
| CN104535822B (en) * | 2015-01-04 | 2019-08-09 | 吉唯达(上海)电气有限公司 | Integral type voltage-current sensor built in a kind of solid insulation pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130706 |