CN102904335A - Intelligent direct current screen used for opening and closing of high-low voltage switch - Google Patents
Intelligent direct current screen used for opening and closing of high-low voltage switch Download PDFInfo
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- CN102904335A CN102904335A CN 201210423528 CN201210423528A CN102904335A CN 102904335 A CN102904335 A CN 102904335A CN 201210423528 CN201210423528 CN 201210423528 CN 201210423528 A CN201210423528 A CN 201210423528A CN 102904335 A CN102904335 A CN 102904335A
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- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract 6
- 238000007667 floating Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The invention discloses an intelligent direct current screen used for opening and closing of a high-low voltage switch. The intelligent direct current screen comprises an alternating current power distribution unit, a high-frequency switch power supply module, a direct current power distribution unit and an intelligent monitoring unit, wherein the intelligent monitoring system comprises an intelligent monitoring unit, an alternating current detection unit, a direct current detection unit, a switching value detection unit, a charge module, a battery polling unit, an insulation polling unit, a communication module, an inverter module, a computer background and a touch display screen; the alternating current detection unit, the direct current detection unit, the switching value detection unit, the charge module, the battery polling unit, the insulation polling unit, the communication module and the inverter module are directly connected with the intelligent monitoring unit; and the computer background and the touch display screen are respectively connected with the intelligent monitoring unit. The intelligent direct current screen for opening and closing of the high-low voltage switch has the advantages of reasonable structure, high reliability, capability of being communicated with an upper computer for realizing remote control, capability of meeting the requirement of high automation degree and unattended operation, and better practicability.
Description
Technical field
The present invention relates to direct current cabinet, be specifically related to a kind of intelligent d. c screen that is used for the high and low voltage switch divide-shut brake for the intelligence of high and low voltage switch divide-shut brake.
Background technology
Existing electric substation DC power supply panel adopts a charger, a floating charge motor to finish the battery charging, and charging and floating charge motor are mutually for subsequent use, and manually control charging floating charge switching device shifter switches their operating state.Generally every three months or half a year, by the operations staff battery is switched to charger work, all chargings were charged after 24 hours, automatically excised charger, by the floating charge motor battery were carried out long-term floating charge.During this period, the operations staff needs charging voltage, single battery are carried out hand inspection and record.Simultaneously, the ac power supply system of electric substation's AC distribution panel adopts resolution element control, and number of elements is many, and control and show circuit wiring are loaded down with trivial details, and can only realize simple double cross stream electrical source exchange function, and voltage, electric current and work state display function.Intellectuality is not high, and safety that can only human intervention guarantee direct current system is normally moved.Can not with upper machine communication, Operation and Maintenance at ordinary times also needs human intervention many, at ordinary times operation maintenance amount is larger.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, the purpose of this invention is to provide a kind of intelligent d. c screen for the high and low voltage switch divide-shut brake, make it have rational in infrastructure, stable performance, intelligent degree is high, remote controlled can advantage.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is:
A kind of intelligent d. c screen for the high and low voltage switch divide-shut brake, comprise Alternating Current Unit, high-frequency switching power supply module, Direct Current Distribution Unit and intelligent monitor system, described intelligent monitor system comprises intelligent monitoring unit, interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module, inversion module, computer background and touch display screen; Described interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module are connected with inversion module and directly are connected with intelligent monitoring unit; Described computer background is connected with intelligent monitoring unit with touch display screen and is connected.
Described interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module are connected the RS485 bus and are connected with intelligent monitoring unit with inversion module.
Described computer background is connected with intelligent monitoring unit by RS232.
Described intelligent monitor system also comprises conversion unit of protocol and D/A conversion unit, and described conversion unit of protocol is connected the RS485 bus and is connected with intelligent monitoring unit with D/A conversion unit.
Beneficial effect: compared with prior art, the intelligent d. c screen for the high and low voltage switch divide-shut brake of the present invention, rational in infrastructure, reliability is high, and energy and upper machine communication are realized Long-distance Control, and can satisfy increasingly automated unattended operation requirement, have good economy and practicality.
Description of drawings
Fig. 1 is the monitoring schematic diagram for the intelligent d. c screen of high and low voltage switch divide-shut brake.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, the intelligent d. c screen that is used for the high and low voltage switch divide-shut brake, comprise Alternating Current Unit, high-frequency switching power supply module, Direct Current Distribution Unit and intelligent monitor system, described intelligent monitor system comprises intelligent monitoring unit, interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module, inversion module, computer background and touch display screen; Interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module are connected the RS485 bus and are connected with intelligent monitoring unit with inversion module.Computer background is connected with intelligent monitoring unit by RS232.
This intelligent monitor system can also be set up conversion unit of protocol and D/A conversion unit according to actual, and conversion unit of protocol is connected the RS485 bus and is connected with intelligent monitoring unit with D/A conversion unit.
The intelligent d. c screen that should be used for the high and low voltage switch divide-shut brake, it is unattended operation power-supply system of new generation, it combines HF switch technology and computer technology, the power stage unit adopts modularization (N+1) Redundancy Design, adopting the mode of intelligent high-frequency Switching Power Supply to realize charging, floating charge function, have the precision of voltage regulation high. the precision of voltage regulation is high, precision of steady current is high, ripple coefficient is little, high reliability.Building block technique adopts current state-of-the-art HF switch technology, and hot-pluggable adopts isolation design between module and the module, prevents that intermodule from influencing each other.Supervisory control system adopts the structural design of disperseing multistage, be divided into the main monitoring of central authorities, exchange monitoring unit, direct-current supervision unit, switching value monitoring unit, also can match as required battery inspection unit and insulation detecting unit, each unit is monitored with the master of central authorities by the RS485 mouth and is linked to each other, and supervisory control system is with intelligent " four is distant " interface.But product extensive use 10kV is to transformer station, power plant and the switching station of the different electric pressures of 500kV.
Claims (4)
1. intelligent d. c screen that is used for the high and low voltage switch divide-shut brake, comprise Alternating Current Unit, high-frequency switching power supply module, Direct Current Distribution Unit and intelligent monitor system, it is characterized in that: described intelligent monitor system comprises intelligent monitoring unit, interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module, inversion module, computer background and touch display screen; Described interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module are connected with inversion module and directly are connected with intelligent monitoring unit; Described computer background is connected with intelligent monitoring unit with touch display screen and is connected.
2. the intelligent d. c screen for the high and low voltage switch divide-shut brake according to claim 1 is characterized in that: described interchange detecting unit, direct current detecting unit, switching value unit, charging module, battery inspection unit, insulation routing inspection unit, communication module are connected the RS485 bus and are connected with intelligent monitoring unit with inversion module.
3. the intelligent d. c screen for the high and low voltage switch divide-shut brake according to claim 1, it is characterized in that: described computer background is connected with intelligent monitoring unit by RS232.
4. the intelligent d. c screen for the high and low voltage switch divide-shut brake according to claim 1, it is characterized in that: described intelligent monitor system also comprises conversion unit of protocol and D/A conversion unit, and described conversion unit of protocol is connected the RS485 bus and is connected with intelligent monitoring unit with D/A conversion unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210423528 CN102904335A (en) | 2012-10-30 | 2012-10-30 | Intelligent direct current screen used for opening and closing of high-low voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210423528 CN102904335A (en) | 2012-10-30 | 2012-10-30 | Intelligent direct current screen used for opening and closing of high-low voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102904335A true CN102904335A (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210423528 Pending CN102904335A (en) | 2012-10-30 | 2012-10-30 | Intelligent direct current screen used for opening and closing of high-low voltage switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944262A (en) * | 2014-04-11 | 2014-07-23 | 宁波美格电力自动化工程有限公司 | Direct-current screen monitoring system and master-slave communication method thereof |
| CN111478398A (en) * | 2020-04-30 | 2020-07-31 | 内蒙古稀奥科镍氢动力电池有限公司 | Direct current screen charging management system and charging cut-off method of nickel-metal hydride battery |
-
2012
- 2012-10-30 CN CN 201210423528 patent/CN102904335A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944262A (en) * | 2014-04-11 | 2014-07-23 | 宁波美格电力自动化工程有限公司 | Direct-current screen monitoring system and master-slave communication method thereof |
| CN103944262B (en) * | 2014-04-11 | 2016-05-04 | 宁波美格电力自动化工程有限公司 | A kind of direct current cabinet monitoring system and the master-slave type means of communication thereof |
| CN111478398A (en) * | 2020-04-30 | 2020-07-31 | 内蒙古稀奥科镍氢动力电池有限公司 | Direct current screen charging management system and charging cut-off method of nickel-metal hydride battery |
| CN111478398B (en) * | 2020-04-30 | 2021-11-09 | 内蒙古稀奥科镍氢动力电池有限公司 | Direct current screen charging management system and charging cut-off method of nickel-metal hydride battery |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |