CN107425509A - A kind of arc light protecting device - Google Patents
A kind of arc light protecting device Download PDFInfo
- Publication number
- CN107425509A CN107425509A CN201710660871.XA CN201710660871A CN107425509A CN 107425509 A CN107425509 A CN 107425509A CN 201710660871 A CN201710660871 A CN 201710660871A CN 107425509 A CN107425509 A CN 107425509A
- Authority
- CN
- China
- Prior art keywords
- arc
- arc light
- protecting device
- main control
- photosensor
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention relates to arc protection field, more particularly to a kind of arc light protecting device.For the present invention using double criterions of arc light and electric current, protection act is fast, reliability is high, strong applicability, modularized design, small volume, to primary equipment without particular/special requirement, is adapted to the various methods of operation, solves the problems, such as that the rate of breaking down is higher.
Description
Technical field
The present invention relates to arc protection field, more particularly to a kind of arc light protecting device.
Background technology
Because the appearance on middle voltage bus bar is more, frequent operation, three-phase conductor wire spacing is compared with the distance of the earth
Closely, equipment service condition is severe, apparatus insulated aging and mechanical wear, and system operation conditions change, the original such as manual operation mistake
Cause, much higher than high pressure, super-pressure bus of the probability of failure of middle voltage bus bar.In recent years, because a variety of causes mesolow switchs
Equipment is seriously burnt, and some even develops into serious fire disaster, and main transformer is due to by external short circuit electric current
The accident of impact failure also increases year by year, and these distribution accident treatments are improper or even are extended and develop into power transmission network accident, cause
Great economic loss, the extensive concern of power department is caused.Trace it to its cause is because without installing middle voltage bus bar mostly
Protection, caused by failing quickly to cut off failure.
The content of the invention
It is an object of the invention to provide overcome the deficiencies in the prior art, there is provided a kind of arclight protects on-Line Monitor Device.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
A kind of arc light protecting device, including at least two groups of arc protection components, the arc protection component and main control unit
It is connected, the main control module is connected with power module, and the arc protection component includes current unit, arc light unit, arc light
Expanding element, arc photosensor；
The arc light unit, arc light expanding element and arc photosensor are connected with main control unit, the main control unit
It is connected with being arranged on the high-pressure side of transformer with the breaker in low-pressure side, is additionally provided with thereon for disconnecting low-voltage bus bar
Main circuit breaker；
The arc photosensor is provided with multiple, and each transformer measured point is mounted on an arc photosensor；
The arc light expanding element is provided with multiple secondary arc photosensors, and the secondary arc photosensor is arranged on low pressure mother
At the fault-finding point of line；
Current transformer set on the transformer, in real time monitor transformer current conditions, its signal output part with
Current unit is connected, and current unit is connected with main control unit.
Preferably, the main control unit is provided with casing, and the main panel of the casing is provided with LCDs, some
LED light, function button and reset key, the rear board of the casing are provided with alternating current input interface, arc light sensor input
Interface, tripping operation output port, clock sync cap, communication interface, monitoring interface, expansion interface and environmental data input interface.
Preferably, the LED light gets over line including power supply indicator, fortune indicator lamp, device exception indicator lamp, electric current
Indicator lamp, arc light get over line indicator lamp, tripping operation indicator lamp and maintenance indicator lamp.
Preferably, the main circuit breaker is hand-auto-controlled circuit breaker.
Preferably, arc light decision circuitry is provided with the arc photosensor, the arc light decision circuitry can be by setting with arc light
Comparison output high level, low level and hanging three status signals of definite value.
Preferably, the arc probe setting dual probe monitoring of the arc photosensor.
Preferably, the electric arc optical sensor includes photoinduction element.
Preferably, the photoinduction element is photo resistance.
The beneficial effects of the invention are as follows：Using double criterions of arc light and electric current, protection act is fast, reliability is high, applicability
By force, modularized design, small volume, to primary equipment without particular/special requirement, it is adapted to the various methods of operation, solves and break down
The problem of rate is higher.
Brief description of the drawings
Fig. 1 is a kind of arc light protecting device structural representation of the present invention.
Fig. 2 is the casing structure schematic diagram of the present invention.
Description of reference numerals：1- primary cut-outs, 2- current transformers, 3- low-voltage circuit breakers, 4- arc photosensors, 5-
Main control unit, 51- casings, 52- LCDs, 53-LED indicator lamps, 54- function buttons, 55- reset keys, 6- electric current lists
Member, 7- power modules, 8- main circuit breakers, 9- arc lights expanding element, 91- pair arc photosensors.
Embodiment
With reference to specific embodiment, present disclosure is described in further detail：
Refering to Fig. 1, a kind of arc light protecting device, including at least two groups of arc protection components, the arc protection component with
Main control unit 5 is connected, and the main control module is connected with power module 7, and the arc protection component includes current unit 6, arc
Light unit, arc light expanding element 9, arc photosensor 4；
The arc light unit, arc light expanding element 9 and arc photosensor 4 are connected with main control unit 5, transformer
High-pressure side is provided with primary cut-out 1, and the low-pressure side of transformer is provided with low-voltage circuit breaker 3, and the main control unit 5 is with being arranged on change
The high-pressure side of depressor is connected with the breaker in low-pressure side, is additionally provided with the main circuit breaker 8 for disconnecting low-voltage bus bar thereon；
The arc photosensor 4 is provided with multiple, and each transformer measured point is mounted on an arc photosensor 4；
The arc light expanding element 9 is provided with multiple secondary arc photosensors 91, and the secondary arc photosensor 91 is arranged on low
At the fault-finding point for pressing bus；
Current transformer 2 is set on the transformer, for monitoring the current conditions of transformer, its signal output part in real time
It is connected with current unit 6, current unit 6 is connected with main control unit 5.
Transformer T1, transformer T3 ends are detected in real time by arc photosensor 4, detected whether arc light；Pass through
Current transformer T2 monitors transformer T1 electric current in real time, monitors transformer T2 electric current in real time by current transformer T4, prison
Survey current increment；The main control unit 5 of arc light protective device controls primary cut-out QF1, low-voltage circuit breaker QF2, high pressure
Circuit breaker Q F3, low-voltage circuit breaker QF4, main circuit breaker QF5, if 1# inlet wires detect arc light or current anomaly, arclight master control
Unit 5 exports trip signal, disconnects transformer T1 primary cut-outs QF1 or low-voltage circuit breaker QF2, and disconnect low-voltage bus bar
Main circuit breaker QF5, protect 2# circuits；If 2# inlet wires detect arc light or current anomaly, the output of arclight main control unit 5 is jumped
Lock signal, transformer T3 primary cut-outs QF3 or low-voltage circuit breaker QF4 are disconnected, and disconnect low-voltage bus bar main circuit breaker QF5,
Protect 1# circuits；If maintenance circuitry, 5 manually controllable breaker of main control unit disconnects.
The main control unit 5 is provided with casing 51, and the main panel of the casing 51 is provided with LCDs 52, some
LED light 53, function button 54 and reset key 55, the rear board of the casing 51 are provided with alternating current input interface, arc light
Sensing input interface, tripping operation output port, clock sync cap, communication interface, monitoring interface, expansion interface and environmental data
Input interface.
The LED light 53 includes power supply indicator, fortune indicator lamp, device exception indicator lamp, electric current and gets over line instruction
Lamp, arc light get over line indicator lamp, tripping operation indicator lamp and maintenance indicator lamp.
Electric arc protection on-Line Monitor Device of the present invention possesses collection, tripping operation and the letter of electric current and the signal of arc photosensor 4
Number fan-out capability, there is provided a variety of indicator lamps, be easy to operator more to get information about electric arc protection on-Line Monitor Device
Running status.
The main circuit breaker 8 is hand-auto-controlled circuit breaker.
Be provided with arc light decision circuitry in the arc photosensor 4, the arc light decision circuitry can by with arc light setting value
Compare output high level, low level and hanging three status signals.
The arc probe setting dual probe monitoring of the arc photosensor 4.
The electric arc optical sensor 4 includes photoinduction element.
The photoinduction element is photo resistance.
According to two factors of arc light and electric current, trip signal is sent when being detected simultaneously by arc light and current increment.When being
When system breaks down, arc photosensor 4 converts optical signal into electric signal, is directly or indirectly transmitted to main control unit 5, then pass through
When detecting current increment and reaching initiation value, trip signal is sent；If maintenance circuitry, 5 manually controllable open circuit of main control unit
Device.
The present invention is designed using distributed modular, be suitable as the double inlet wire sectionalized single busbar connection of mesolow, it is standby each other and
The more situation of feeder line.The present invention is using double criterions of arc light and electric current, and protection act is fast, reliability is high, strong applicability, mould
Blockization designs, and small volume, to primary equipment without particular/special requirement, is adapted to the various methods of operation, it is higher to solve the rate of breaking down
The problem of.
Above-described embodiment only technical concept to illustrate the invention and, feature, its object is to allow be familiar with technique
Personage can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to this hair
The equivalent change or modification that bright Spirit Essence is made, it should all cover within the scope of the present invention.
Claims (8)
- A kind of 1. arc light protecting device, it is characterised in that including at least two groups of arc protection components, the arc protection component with Main control unit is connected, and the main control module is connected with power module, and the arc protection component includes current unit, arc light list Member, arc light expanding element, arc photosensor；The arc light unit, arc light expanding element and arc photosensor are connected with main control unit, and the main control unit is with setting Put and be connected in the high-pressure side of transformer with the breaker in low-pressure side, be additionally provided with the main open circuit for disconnecting low-voltage bus bar thereon Device；The arc photosensor is provided with multiple, and each transformer measured point is mounted on an arc photosensor；The arc light expanding element is provided with multiple secondary arc photosensors, and the secondary arc photosensor is arranged on the event of low-voltage bus bar Hinder at sensing point；Current transformer is set on the transformer, for monitoring the current conditions of transformer, its signal output part and electric current in real time Unit is connected, and current unit is connected with main control unit.
- 2. arc light protecting device according to claim 1, it is characterised in that the main control unit is provided with casing, described The main panel of casing is provided with LCDs, some LED lights, function button and reset key, the rear board of the casing It is provided with alternating current input interface, arc light sensor input interface, tripping operation output port, clock sync cap, communication interface, monitoring Interface, expansion interface and environmental data input interface.
- 3. arc light protecting device according to claim 2, it is characterised in that the LED light include power supply indicator, Transport indicator lamp, device exception indicator lamp, electric current more line indicator lamp, arc light more line indicator lamp, tripping operation indicator lamp and maintenance indicator lamp.
- 4. arc light protecting device according to claim 1, it is characterised in that the main circuit breaker is that hand-automatically control is disconnected Road device.
- 5. arc light protecting device according to claim 1, it is characterised in that arc light is provided with the arc photosensor and is judged Circuit, the arc light decision circuitry can export high level, low level and hanging three states by the comparison with arc light setting value and believe Number.
- 6. arc light protecting device according to claim 1, it is characterised in that the arc probe setting of the arc photosensor Dual probe monitors.
- 7. arc light protecting device according to claim 1, it is characterised in that the electric arc optical sensor includes photoinduction member Part.
- 8. arc light protecting device according to claim 7, it is characterised in that the photoinduction element is photo resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660871.XA CN107425509A (en) | 2017-08-04 | 2017-08-04 | A kind of arc light protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660871.XA CN107425509A (en) | 2017-08-04 | 2017-08-04 | A kind of arc light protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107425509A true CN107425509A (en) | 2017-12-01 |
Family
ID=60436490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710660871.XA Pending CN107425509A (en) | 2017-08-04 | 2017-08-04 | A kind of arc light protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107425509A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832604A (en) * | 2018-08-31 | 2018-11-16 | 保定云木电力科技有限公司 | Arc light protecting device and its application method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201590653U (en) * | 2009-12-25 | 2010-09-22 | 杭州瑞胜电气有限公司 | Photoelectric arc light protection system |
| CN202513561U (en) * | 2012-04-28 | 2012-10-31 | 四川省电力公司自贡电业局 | Arc light protection system of high-voltage switch cabinet |
| CN204464972U (en) * | 2015-01-23 | 2015-07-08 | 厦门华电开关有限公司 | A kind of arc light protective device |
| CN204835513U (en) * | 2015-07-01 | 2015-12-02 | 神华集团有限责任公司 | Voltage type arc light protection device |
| CN105119246A (en) * | 2015-09-18 | 2015-12-02 | 成都比善科技开发有限公司 | Arc light protection system |
| CN205941759U (en) * | 2016-08-02 | 2017-02-08 | 贵阳锐泰电力科技有限公司 | Arc light protective device |
-
2017
- 2017-08-04 CN CN201710660871.XA patent/CN107425509A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201590653U (en) * | 2009-12-25 | 2010-09-22 | 杭州瑞胜电气有限公司 | Photoelectric arc light protection system |
| CN202513561U (en) * | 2012-04-28 | 2012-10-31 | 四川省电力公司自贡电业局 | Arc light protection system of high-voltage switch cabinet |
| CN204464972U (en) * | 2015-01-23 | 2015-07-08 | 厦门华电开关有限公司 | A kind of arc light protective device |
| CN204835513U (en) * | 2015-07-01 | 2015-12-02 | 神华集团有限责任公司 | Voltage type arc light protection device |
| CN105119246A (en) * | 2015-09-18 | 2015-12-02 | 成都比善科技开发有限公司 | Arc light protection system |
| CN205941759U (en) * | 2016-08-02 | 2017-02-08 | 贵阳锐泰电力科技有限公司 | Arc light protective device |
Non-Patent Citations (1)
| Title |
|---|
| 芮新花 等: "《智能变电站二次***》", 31 January 2016, 中国水利水电出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832604A (en) * | 2018-08-31 | 2018-11-16 | 保定云木电力科技有限公司 | Arc light protecting device and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |