CN203481758U - Output switching system of direct current ice-melting device - Google Patents

Output switching system of direct current ice-melting device Download PDF

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Publication number
CN203481758U
CN203481758U CN201320640771.8U CN201320640771U CN203481758U CN 203481758 U CN203481758 U CN 203481758U CN 201320640771 U CN201320640771 U CN 201320640771U CN 203481758 U CN203481758 U CN 203481758U
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China
Prior art keywords
switch
positive
negative
terminal
alternating current
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Expired - Fee Related
Application number
CN201320640771.8U
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Chinese (zh)
Inventor
陆佳政
李波
谭艳军
方针
张红先
赵纯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
Disaster Prevention and Mitigation Center of State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
Hunan Xiangdian Test Research Institute Co Ltd
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Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd, Hunan Xiangdian Test Research Institute Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201320640771.8U priority Critical patent/CN203481758U/en
Application granted granted Critical
Publication of CN203481758U publication Critical patent/CN203481758U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model introduces an output switching system of a direct current ice-melting device. A positive terminal of a switch K1, a positive terminal of a switch K3, and a positive terminal of a switch K5 of an isolating switch (3) which are in parallel connection are connected to a positive electrode of a positive and negative wiring copper bar (2); a negative terminal of a switch K2 and a negative terminal of a switch K4 which are in parallel connection are connected with the negative electrode of the positive and negative wiring copper bar (2); the negative terminal of the switch K1 and the positive terminal of the switch K2 are in parallel connection with an A phase wiring terminal of a three-phase alternating current wiring copper bar (4); the negative terminal of the switch K3 is connected with the B phase wiring terminal of the three-phase alternating current wiring copper bar (4); and the negative terminal of the switch K5 and the positive terminal of the switch K4 are in parallel connection with the C phase wiring terminal of the three-phase alternating current wiring copper bar (4). The output switching system: 1) can prevent the misoperation; 2) eliminates the electric shock hazard; 3) realizes the fast ice melting; 4) can be realized by one key, and can accurately select among six connection ways of the two electrode outputs and the A, B and C three-phase lines.

Description

DC de-icing device output Switched Systems
Technical field
The utility model belongs to electrical engineering technical field, relates to a kind of DC de-icing device output Switched Systems.This system is applicable to the positive and negative polarities output and A, B, all switchings that are connected compound mode of C three phase line of DC de-icing device, promotes the emergency reaction ability of DC de-icing device.
Background technology
Along with the frequent generation of freezing sleet diastrous weather in winter, power line DC ice-melting device is used widely.Yet effective connected mode of the positive and negative polarities output of DC de-icing device and A, B, C three phase line has 6 kinds more than, each connected mode is corresponding a kind of DC De-icing Scheme all.In DC ice melting process, to realize the reconfiguration line of connected mode, need to transfer deicing device to inspecting state, by manually carrying out reconfiguration line, it is ice-melt commutation, operation is very complicated, operate also very difficult, also there is personnel's Danger Electric shock risk, greatly extended the ice-melt time, leave the sorry and even hidden danger that cannot fast and safely launch ice-melt work.
Utility model content
The technical problems to be solved in the utility model is, backward situation for prior art, design a kind of DC de-icing device output Switched Systems, utilize this system reduce the needed state conversion of ice-melt commutation and manually change setting up time, elimination personnel reconfiguration line Danger Electric shock risk, effectively promotes the emergency capability of DC de-icing device.
The technical solution of the utility model is, designed DC de-icing device output Switched Systems, and referring to Fig. 1, it includes the control system 1 that is connected in series, with the isolating switch 3 of both positive and negative polarity copper busbar 2 and three-phase alternating current copper busbar 4.Wherein said isolating switch 3 also includes K switch 1, K switch 2, K switch 3, K switch 4, K switch 5.The be connected in parallel positive terminal of described both positive and negative polarity copper busbar 2 of the positive pole of the positive pole of the positive pole of described K switch 1, K switch 3 and K switch 5; The be connected in parallel negative pole end of described both positive and negative polarity copper busbar 2 of the negative pole of the negative pole of described K switch 2 and K switch 4; The A of described three-phase alternating current copper busbar 4 line end that joins and the positive pole of the negative pole of described K switch 1 and K switch 2 is connected in parallel; The B that the negative pole of described K switch 3 connects described three-phase alternating current copper busbar 4 line end that joins; The positive pole of the negative pole of described K switch 5 and K switch 4 C of described three-phase alternating current copper busbar 4 line end that joins that is connected in parallel.
Operation principle of the present utility model is: while being used by the DC de-icing device output Switched Systems forming above, above-mentioned both positive and negative polarity copper busbar 2 is connected with DC de-icing device output positive and negative charge by cable; By control system 1, control deciliter state of the K switch 1~K switch 5 of isolating switch 3, after A, the B of selection positive and negative polarities and transmission line, C tri-phase connected mode, through three-phase alternating current copper busbar 4, be connected with A, B, the C tri-of transmission line, the ice-melt wire for the treatment of that thus DC ice melting current is transported to icing transmission line is implemented DC ice melting.1 pair of isolating switch of described control system 3 is carried out electronic control and anti-error electric blocking, can realize six kinds of effective connected modes of positive and negative polarities output and A, B, C three phase line, and combination is quickly and safely switched.
The beneficial effects of the utility model are:
1), adopt the control system of charged gas-tight lock function, can prevent misoperation;
2), adopt electronic control, without the manual wiring of personnel, thereby can eliminate personnel's Danger Electric shock risk;
3), simplified ice-melt commutation workflow, shortened the time that deicing processes need to consume, realized the object of quick ice-melt;
4), control system adopts the key design that puts in place, can select accurately and a key control opening and closing in place 6 kinds of effective connected modes of positive and negative polarities output and A, B, C three phase line;
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a specific embodiment of the utility model DC de-icing device output Switched Systems, in figure, is denoted as:
1-control system,
2-both positive and negative polarity copper busbar,
3-isolating switch,
4-three-phase alternating current copper busbar.
Embodiment
Referring to accompanying drawing 1, as shown in Figure 1, its control system 1 adopts Hunan China to economize the XDZRB-2013K type control system that Xiang electricity Shi Yan technology Co., Ltd develops to the DC de-icing device output Switched Systems of this embodiment of the utility model; Both positive and negative polarity copper busbar 2 and three-phase alternating current copper busbar 4 are commercially available General Electric line bank seat; Isolating switch 3 selects Hunan China province Changsha electric switch Co., Ltd to produce GN22-12.5/2000A type single-phase isolating switch; Above-mentioned control system 1, both positive and negative polarity copper busbar 2, isolating switch 3, three-phase alternating current copper busbar 4, by technique scheme, connect with reference to connected mode shown in accompanying drawing 1.It is control system 1 series connection isolating switch 3.The positive terminal of the positive pole of the K switch 1 of isolating switch 3, the positive pole of K switch 3 and the positive pole both positive and negative polarity copper busbar 2 in parallel of K switch 5; The be connected in parallel negative pole end of both positive and negative polarity copper busbar 2 of the negative pole of the negative pole of K switch 2 and K switch 4; The positive pole of the negative pole of K switch 1 and K switch 2 A of three-phase alternating current copper busbar 4 line end that joins that is connected in parallel; The B that the negative pole of K switch 3 connects three-phase alternating current copper busbar 4 line end that joins; The positive pole of the negative pole of K switch 5 and K switch 4 C of three-phase alternating current copper busbar 4 line end that joins that is connected in parallel.
DC de-icing device output Switched Systems by this embodiment forming is above proved to be respond well through manufacturing experimently to try out, and reaches designing requirement completely.

Claims (1)

1. a DC de-icing device output Switched Systems, it is characterized in that, it includes the control system (1) that is connected in series, with the isolating switch (3) of both positive and negative polarity copper busbar (2) and three-phase alternating current copper busbar (4), wherein said isolating switch (3) also includes K switch 1, K switch 2, K switch 3, K switch 4, K switch 5, the be connected in parallel positive terminal of described both positive and negative polarity copper busbar (2) of the positive pole of the positive pole of described K switch 1, K switch 3 and the positive pole of K switch 5; The be connected in parallel negative pole end of described both positive and negative polarity copper busbar (2) of the negative pole of the negative pole of described K switch 2 and K switch 4; The A of described three-phase alternating current copper busbar (4) line end that joins and the positive pole of the negative pole of described K switch 1 and K switch 2 is connected in parallel; The B that the negative pole of described K switch 3 connects described three-phase alternating current copper busbar (4) line end that joins; The positive pole of the negative pole of described K switch 5 and K switch 4 C of described three-phase alternating current copper busbar (4) line end that joins that is connected in parallel.
CN201320640771.8U 2013-10-17 2013-10-17 Output switching system of direct current ice-melting device Expired - Fee Related CN203481758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320640771.8U CN203481758U (en) 2013-10-17 2013-10-17 Output switching system of direct current ice-melting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320640771.8U CN203481758U (en) 2013-10-17 2013-10-17 Output switching system of direct current ice-melting device

Publications (1)

Publication Number Publication Date
CN203481758U true CN203481758U (en) 2014-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320640771.8U Expired - Fee Related CN203481758U (en) 2013-10-17 2013-10-17 Output switching system of direct current ice-melting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103500974A (en) * 2013-10-17 2014-01-08 国家电网公司 Output switchover system for DC (direct current)-based deicing device
CN106058775A (en) * 2016-07-19 2016-10-26 卢敏 Intensive DC deicing device topological structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103500974A (en) * 2013-10-17 2014-01-08 国家电网公司 Output switchover system for DC (direct current)-based deicing device
CN106058775A (en) * 2016-07-19 2016-10-26 卢敏 Intensive DC deicing device topological structure

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Patentee after: State Grid Corporation of China

Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute

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Address before: 100033 West Chang'an Avenue, Beijing, No. 86, No.

Patentee before: State Grid Corporation of China

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Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute

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