CN106300317A - A kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection - Google Patents
A kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection Download PDFInfo
- Publication number
- CN106300317A CN106300317A CN201610748951.6A CN201610748951A CN106300317A CN 106300317 A CN106300317 A CN 106300317A CN 201610748951 A CN201610748951 A CN 201610748951A CN 106300317 A CN106300317 A CN 106300317A
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- CN
- China
- Prior art keywords
- extinguishing
- arc
- overvoltage protection
- harmony
- microcomputer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
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- Emergency Protection Circuit Devices (AREA)
Abstract
nullThe invention discloses a kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection,Including cabinet and microcomputer ICU,Described cabinet is connected by hinge is fixing with cabinet door,Described cabinet be internally provided with main bus-bar,And main bus-bar by wire respectively with high-pressure vacuum contactor、Voltage transformer and arc-extinguishing harmonic-eliminating voltage limiter are electrically connected with,Described microcomputer ICU respectively with high-pressure vacuum contactor、Voltage transformer and arc-extinguishing harmonic-eliminating voltage limiter are electrically connected with by wire,The bottom of described cabinet is provided with radiation ventilator,And the upper end of radiation ventilator is installed with overvoltage protection device and grounding device,Described grounding device is electrically connected with by wire with high-pressure vacuum contactor and arc-extinguishing harmonic-eliminating voltage limiter respectively,The outside of described cabinet door is provided with voltmeter,And the lower section of voltmeter has embedded microcomputer ICU control panel.The present invention has extinguishing arc, extinguishing harmony, selecting line and an over-voltage protection function simultaneously, more efficiently, safety.
Description
Technical field
The present invention relates to electrical equipment technical field, be specially a kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection.
Background technology
At present, along with the development of electrical network, the stable and safety of electrical network is paid close attention to by people deeply, the master of the safety of Crisis Grid
Will be because have arc grounding, resonance and overvoltage, single-phase intermittent arc earthing, simultaneously produce arc grounding over-voltage and by
This ferro-resonance over-voltage excited, the most single-phase arc grounding over-voltage is the most serious.Traditional electric wire netting arc extinguishing, harmonic elimination and
Overvoltage protection technology is immature, it is impossible to electrical network carries out extinguishing arc, harmonic elimination and overvoltage protection fast and effectively, and not
There is the function of route selection, it is difficult to meet the demand in market.
Summary of the invention
It is an object of the invention to provide a kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection, to solve above-mentioned background skill
The problem proposed in art, is had an advantageous effect in that;There is extinguishing arc, extinguishing harmony, selecting line and over-voltage protection function simultaneously, more increase
Effect, safety.
For achieving the above object, the present invention provides following technical scheme: a kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection fill
Putting, including cabinet and microcomputer ICU, described cabinet is connected by hinge is fixing with cabinet door, and cabinet door is fixed on cabinet
Left end, described cabinet be internally provided with main bus-bar, and main bus-bar by wire respectively with high-pressure vacuum contactor, mutual induction of voltage
Device and arc-extinguishing harmonic-eliminating voltage limiter are electrically connected with, described microcomputer ICU respectively with high-pressure vacuum contactor, voltage transformer
Be electrically connected with by wire with arc-extinguishing harmonic-eliminating voltage limiter, and microcomputer ICU to be placed on high-pressure vacuum contactor, voltage mutual
Between sensor and arc-extinguishing harmonic-eliminating voltage limiter, the bottom of described arc-extinguishing harmonic-eliminating voltage limiter is fixed with insulating supporting post, and arc-extinguishing harmonic-eliminating
The top of voltage limiter connects has fuse, the bottom of described cabinet to be provided with radiation ventilator, and radiation ventilator is upper
End be installed with overvoltage protection device and grounding device, described grounding device respectively with high-pressure vacuum contactor and arc-extinguishing harmonic-eliminating
Voltage limiter is electrically connected with by wire, and the outside of described cabinet door is provided with voltmeter, and the lower section of voltmeter has embedded microcomputer and combined
Hop controller control panel, the lower end of described microcomputer ICU control panel be sequentially installed with from left to right start button,
Stop button and SR.
Preferably, the viscous of described cabinet door is connected to insulating waterproof layer.
Preferably, the upper end of described overvoltage protection device is installed with current limiting element, and current limiting element by wire with
Main bus-bar is electrically connected with.
Preferably, described grounding device is electrically connected with by wire with overvoltage protection device.
Preferably, the top of described cabinet is provided with suspension ring.
Preferably, the upper right side of described voltmeter is provided with alarm display lamp, and the lower right of voltmeter is installed with
Cabinet door handle.
Preferably, the surface of described radiation ventilator offers vent.
Compared with prior art, the invention has the beneficial effects as follows: this equipment utilization Control Technique of Microcomputer, high pressure vacuum contact
Device, voltage transformer and overvoltage protection device form a set of automatic control system, and system voltage is carried out real-time monitoring;This sets
Standby have extinguishing arc, harmonic elimination, route selection and over-voltage protection function simultaneously, is provided to microcomputer ICU by voltage transformer
The real-time signal of telecommunication, signal is quickly processed by microcomputer ICU, and sends corresponding instruction and signal, controls each
Parts carry out quick extinguishing arc, harmonic elimination, route selection and overvoltage protection, have the performances such as quick, efficient, accurate, can be fine
Adaptation market, meet use requirement accordingly.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention;
Fig. 2 is the front view of the present invention.
In figure: 1-cabinet door;2-suspension ring;3-high-pressure vacuum contactor;4-cabinet;5-voltage transformer;6-microcomputer is comprehensively controlled
Device processed;7-main bus-bar;8-fuse;9-arc-extinguishing harmonic-eliminating voltage limiter;10-insulating supporting post;11-wire;12-heat dissipation ventilation fills
Put;13-insulating waterproof layer;14-current limiting element;15-overvoltage protection device;16-grounding device;17-voltmeter;18-reports to the police aobvious
Show lamp;19-microcomputer ICU control panel;20-cabinet door handle;21-SR;22-hinge;23-vent;24-
Start button;25-stop button.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, a kind of embodiment that the present invention provides: a kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection dress
Putting, cabinet 4 and microcomputer ICU 6, cabinet 4 is connected by hinge 22 is fixing with cabinet door 1, and cabinet door 1 is fixed on cabinet 4
Left end, cabinet 4 be internally provided with main bus-bar 7, and main bus-bar 7 is mutual with high-pressure vacuum contactor 3, voltage respectively by wire 11
Sensor 5 and arc-extinguishing harmonic-eliminating voltage limiter 9 are electrically connected with, microcomputer ICU 6 respectively with high-pressure vacuum contactor 3, mutual induction of voltage
Device 5 and arc-extinguishing harmonic-eliminating voltage limiter 9 are electrically connected with by wire 11, and microcomputer ICU 6 is placed on high-pressure vacuum contactor
3, between voltage transformer 5 and arc-extinguishing harmonic-eliminating voltage limiter 9, the bottom of arc-extinguishing harmonic-eliminating voltage limiter 9 is fixed with insulating supporting post 10, and
The top of arc-extinguishing harmonic-eliminating voltage limiter 9 connects has fuse 8, the bottom of cabinet 4 to be provided with radiation ventilator 12, and heat dissipation ventilation
The upper end of device 12 is installed with overvoltage protection device 15 and grounding device 16, and grounding device 16 contacts with high pressure vacuum respectively
Device 3 and arc-extinguishing harmonic-eliminating voltage limiter 9 are electrically connected with by wire 11, and the outside of cabinet door 1 is provided with voltmeter 17, and voltmeter 17
Lower section has embedded microcomputer ICU control panel 19, and the lower end of microcomputer ICU control panel 19* depends on from left to right
Secondary being provided with start button 24, stop button 25 and SR 21, the viscous of cabinet door 1 is connected to insulating waterproof layer 13, the most electric
The upper end of pressure protector 15 is installed with current limiting element 14, and current limiting element 14 is electrically connected with main bus-bar 7 by wire 11,
Grounding device 16 is electrically connected with by wire 11 with overvoltage protection device 15, and the top of cabinet 4 is provided with suspension ring 2, voltmeter 17
Upper right side alarm display lamp 18 is installed, and the lower right of voltmeter 17 is installed with cabinet door handle 20, and heat dissipation ventilation fills
The surface putting 12 offers vent 23.
Operation principle;During use, voltage transformer 5 provides three-phase voltage and triangle electricity to microcomputer ICU 6 in real time
The transient change value of pressure, microcomputer ICU 6 carries out the process of information to it, it is judged that the character of fault, and sends corresponding
Instruction and signal, when there is arc grounding fault, microcomputer ICU 6 receives signal, quickly processes and send instruction
Control high-pressure vacuum contactor 3 with signal to work, reach the effect of extinguishing arc, when there is resonance, opening within voltage transformer 5
Mouthful triangle winding short circuit, carries out harmonic elimination, upon the occurrence of a ground fault, microcomputer ICU 6 according to instantaneous amplitude, phase place or
Comparing before transient state component and fault, tonneau principle of relativity and multicriterion select ground path accurately, when voltage mistake
Gao Shi, overvoltage protection device 15 will carry out corresponding blood pressure lowering current limliting to circuit, to ensure the normal work of circuit.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
Claims (7)
1. extinguishing arc, extinguishing harmony, selecting line and an overvoltage protection, including cabinet (4) and microcomputer ICU (6), its feature
It is: described cabinet (4) is connected by hinge (22) is fixing with cabinet door (1), and cabinet door (1) is fixed on the left end of cabinet (4), institute
That states cabinet (4) is internally provided with main bus-bar (7), and main bus-bar (7) by wire (11) respectively with high-pressure vacuum contactor
(3), voltage transformer (5) and arc-extinguishing harmonic-eliminating voltage limiter (9) be electrically connected with, described microcomputer ICU (6) respectively with high pressure
Vacuum contactor (3), voltage transformer (5) and arc-extinguishing harmonic-eliminating voltage limiter (9) are electrically connected with by wire (11), and microcomputer is comprehensive
Controller (6) is placed between high-pressure vacuum contactor (3), voltage transformer (5) and arc-extinguishing harmonic-eliminating voltage limiter (9), described in disappear
The bottom of arc harmonic elimination voltage limiter (9) is fixed with insulating supporting post (10), and the top connection of arc-extinguishing harmonic-eliminating voltage limiter (9) has fusing
Device (8), the bottom of described cabinet (4) is provided with radiation ventilator (12), and the fixing peace in upper end of radiation ventilator (12)
Equipped with overvoltage protection device (15) and grounding device (16), described grounding device (16) respectively with high-pressure vacuum contactor (3) and
Arc-extinguishing harmonic-eliminating voltage limiter (9) is electrically connected with by wire (11), and the outside of described cabinet door (1) is provided with voltmeter (17), and electricity
The lower section of pressure table (17) has embedded microcomputer ICU control panel (19), described microcomputer ICU control panel (19)
Lower end be sequentially installed with start button (24), stop button (25) and SR (21) from left to right.
A kind of extinguishing arc, extinguishing harmony, selecting line the most according to claim 1 and overvoltage protection, it is characterised in that: described cabinet door
(1) viscous is connected to insulating waterproof layer (13).
A kind of extinguishing arc, extinguishing harmony, selecting line the most according to claim 1 and overvoltage protection, it is characterised in that: described the most electric
The upper end of pressure protector (15) is installed with current limiting element (14), and current limiting element (14) is by wire (11) and main bus-bar
(7) it is electrically connected with.
A kind of extinguishing arc, extinguishing harmony, selecting line the most according to claim 1 and overvoltage protection, it is characterised in that: described ground connection
Device (16) is electrically connected with by wire (11) with overvoltage protection device (15).
A kind of extinguishing arc, extinguishing harmony, selecting line the most according to claim 1 and overvoltage protection, it is characterised in that: described cabinet
(4) top is provided with suspension ring (2).
A kind of extinguishing arc, extinguishing harmony, selecting line the most according to claim 1 and overvoltage protection, it is characterised in that: described voltage
The upper right side of table (17) is provided with alarm display lamp (18), and the lower right of voltmeter (17) is installed with cabinet door handle
(20)。
A kind of extinguishing arc, extinguishing harmony, selecting line the most according to claim 1 and overvoltage protection, it is characterised in that: described heat radiation
The surface of ventilation unit (12) offers vent (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610748951.6A CN106300317A (en) | 2016-08-28 | 2016-08-28 | A kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection |
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CN201610748951.6A CN106300317A (en) | 2016-08-28 | 2016-08-28 | A kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection |
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CN106300317A true CN106300317A (en) | 2017-01-04 |
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CN201610748951.6A Pending CN106300317A (en) | 2016-08-28 | 2016-08-28 | A kind of extinguishing arc, extinguishing harmony, selecting line and overvoltage protection |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106783102A (en) * | 2017-03-07 | 2017-05-31 | 江苏瑞恩电气股份有限公司 | Intelligent electric power transformer |
CN107271834A (en) * | 2017-07-04 | 2017-10-20 | 合肥东玖电气有限公司 | A kind of safe Small Electric Current Earthing And Routing Device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5808849A (en) * | 1994-07-01 | 1998-09-15 | Krone Aktiengesellschaft | Method for the protection in particular of telecommunication installations and protection circuit for carrying out the method |
CN2559153Y (en) * | 2002-06-09 | 2003-07-02 | 朱洪领 | Arc-extinguishing and overvoltage protection device |
CN2722487Y (en) * | 2004-09-17 | 2005-08-31 | 安徽赛普电力保护有限公司 | Arc and resonance extinction and overvoltage protector |
CN201629571U (en) * | 2010-01-27 | 2010-11-10 | 安徽巨森电器有限公司 | Integrated arc distinguishing, harmonic eliminating and line selecting device |
CN104377683A (en) * | 2014-11-28 | 2015-02-25 | 哈尔滨朗昇电气股份有限公司 | Device and method for single-phase intermittent arc grounding overvoltage protection |
CN205450643U (en) * | 2015-12-19 | 2016-08-10 | 河南省科电电气自动化有限公司 | Special harmonic elimination controller of intermediate frequency cabinet |
CN205945053U (en) * | 2016-08-28 | 2017-02-08 | 安徽普天电力科技有限公司 | Route selection of arc extinction harmonic elimination and overvoltage protection |
-
2016
- 2016-08-28 CN CN201610748951.6A patent/CN106300317A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5808849A (en) * | 1994-07-01 | 1998-09-15 | Krone Aktiengesellschaft | Method for the protection in particular of telecommunication installations and protection circuit for carrying out the method |
CN2559153Y (en) * | 2002-06-09 | 2003-07-02 | 朱洪领 | Arc-extinguishing and overvoltage protection device |
CN2722487Y (en) * | 2004-09-17 | 2005-08-31 | 安徽赛普电力保护有限公司 | Arc and resonance extinction and overvoltage protector |
CN201629571U (en) * | 2010-01-27 | 2010-11-10 | 安徽巨森电器有限公司 | Integrated arc distinguishing, harmonic eliminating and line selecting device |
CN104377683A (en) * | 2014-11-28 | 2015-02-25 | 哈尔滨朗昇电气股份有限公司 | Device and method for single-phase intermittent arc grounding overvoltage protection |
CN205450643U (en) * | 2015-12-19 | 2016-08-10 | 河南省科电电气自动化有限公司 | Special harmonic elimination controller of intermediate frequency cabinet |
CN205945053U (en) * | 2016-08-28 | 2017-02-08 | 安徽普天电力科技有限公司 | Route selection of arc extinction harmonic elimination and overvoltage protection |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106783102A (en) * | 2017-03-07 | 2017-05-31 | 江苏瑞恩电气股份有限公司 | Intelligent electric power transformer |
CN106783102B (en) * | 2017-03-07 | 2018-08-24 | 江苏瑞恩电气股份有限公司 | Intelligent electric power transformer |
CN107271834A (en) * | 2017-07-04 | 2017-10-20 | 合肥东玖电气有限公司 | A kind of safe Small Electric Current Earthing And Routing Device |
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Application publication date: 20170104 |