CN207926172U - A kind of anti-interference arc light protective device based on multicriterion - Google Patents
A kind of anti-interference arc light protective device based on multicriterion Download PDFInfo
- Publication number
- CN207926172U CN207926172U CN201820089146.1U CN201820089146U CN207926172U CN 207926172 U CN207926172 U CN 207926172U CN 201820089146 U CN201820089146 U CN 201820089146U CN 207926172 U CN207926172 U CN 207926172U
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- cabinet
- arc
- terminal
- multicriterion
- arc light
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Abstract
The utility model discloses a kind of anti-interference arc light protective devices based on multicriterion; including cabinet; observation window, indicator light and selection key are installed on the chamber door of the cabinet; the back of cabinet is equipped with fixed plate; it is provided with bolt screw hole on fixed plate; the side of cabinet is equipped with input terminal, and the arc protection main control unit that end and the cabinet inside of input terminal are equipped with is connected.This anti-interference arc light protective device based on multicriterion; since arc protection main control unit uses reliable fast algorithm; arc light variable signal and current changing signal can be judged in a short time and are exported rapidly; it is better than 10ms to trip time interval is exported from failure is found, it is ensured that the arc light of equipment is cut off within 75ms in switchgear；And the characteristics of when being generated according to arc light, the present apparatus are latched multicriterion using the ultraviolet light characteristic of arc light and size of current, current direction, can effective safety action accuracy.
Description
Technical field
The utility model is related to switchgear technical field, specially a kind of anti-interference electric arc protection based on multicriterion
Device.
Background technology
In China, in, in low-voltage bus bar short trouble, emphasis equipment and personnel's injury are mainly caused by arclight, however,
Most of middle voltage bus bars in China are not provided with quick bus protection, and only use simple arc-extinction device and transformer
Back-up protection.These protections are intelligent relatively low, and movement speed is slow, often extends fault clearing time, to further expand
Equipment damage degree, or even the serious accident of " baked wheaten cake is operated " can be caused, impact transformer is once run, and influences entire power grid
Safe operation.
Utility model content
The purpose of this utility model is to provide a kind of anti-interference arc light protective device based on multicriterion, action is fast
Fast reliable, protection philosophy simply, rationally, solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of anti-interference electricity based on multicriterion
Arc light protecting device, including cabinet are equipped with observation window, indicator light and selection key, the back of the body of cabinet on the chamber door of the cabinet
Portion is equipped with fixed plate, is provided with bolt screw hole on fixed plate, the side of cabinet is equipped with input terminal, input terminal
End is connected with the arc protection main control unit that cabinet inside is equipped with；One end of the arc protection main control unit is provided with standby
Terminal, data communication access terminal and Ethernet are accessed with current input terminal, main cabinet current input terminal, arc light collecting unit
Terminal is accessed, the other end of arc protection main control unit is provided with plant-grid connection terminal, fast trip leading-out terminal, warning output
Terminal and arc optical signal detection access terminal；Installation's power source module, the power module are additionally provided in arc protection main control unit
It is connected with plant-grid connection terminal.
Preferably, the standby current input terminal has Shi Erlu with main cabinet current input terminal, and is returned per road terminal
Road is connected with three-phase current.
Preferably, the fast trip leading-out terminal shares four tunnels, and corresponding arc optical signal and electricity are exported per tripping all the way
Stream signal can program setting.
Preferably, the warning output terminal shares two-way, wherein being fault-signal leading-out terminal all the way, another way is report
Alert signal output terminal.
Preferably, the arc optical signal detection access terminal shares 16 tunnels.
Compared with prior art, the beneficial effects of the utility model are as follows：
This anti-interference arc light protective device based on multicriterion, since arc protection main control unit uses reliably
Fast algorithm can judge arc light variable signal and current increment and direction change signal and export rapidly in a short time, from
It was found that failure is better than 20ms to outlet trip time interval, it is ensured that the arc light of equipment is cut off within 100ms in switchgear；And
The characteristics of when being generated according to arc light, the present apparatus are latched multicriterion using the ultraviolet light characteristic of arc light and size of current, current direction,
Can effective safety action accuracy.
Description of the drawings
Fig. 1 is the cabinet front view of the utility model；
Fig. 2 is the cabinet back structures figure of the utility model；
Fig. 3 is the cabinet side view of the utility model；
Fig. 4 is the arc protection main control unit figure of the utility model.
In figure：1 cabinet, 2 observation windows, 3 indicator lights, 4 selection keys, 5 fixed plates, 6 bolt screw holes, 7 input terminals, 8 arcs
Light protects main control unit, 9 standby current input terminals, 10 main cabinet current input terminals, 11 arc light collecting units access terminal, 12
Data communication access terminal, 13 Ethernet access terminals, 14 plant-grid connection terminals, 15 fast trip leading-out terminals, 16 alarms are defeated
Go out terminal, 161 fault-signal leading-out terminals, 162 alarm signal output ends, 17 arc optical signals detection access terminal, 18 devices
Power module.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-4, a kind of anti-interference arc light protective device based on multicriterion, including cabinet 1, cabinet 1
Observation window 2, indicator light 3 and selection key 4 are installed, the back of cabinet 1 is equipped with fixed plate 5, is arranged in fixed plate 5 on chamber door
There is bolt screw hole 6, therefore cabinet 1 can be installed on by fixed plate 5 on wall；The side of cabinet 1 is equipped with input terminal 7, into
The arc protection main control unit 8 being equipped with inside the end of line terminals 7 and cabinet 1 is connected；One end of arc protection main control unit 8
Standby current input terminal 9, main cabinet current input terminal 10, arc light collecting unit access terminal 11, data communication is provided with to connect
Enter terminal 12 and Ethernet access terminal 13, due to standby current input terminal 9 and main six tunnels 10 Jun You of cabinet current input terminal,
And be connected with three-phase current per terminal sub-loop, to lead to the 12 road terminal test three-phase current signal, it is used for failure judgement
Electric current；The other end of arc protection main control unit 8 be provided with plant-grid connection terminal 14, fast trip leading-out terminal 15, alarm it is defeated
Go out terminal 16 and arc optical signal detection access terminal 17, wherein warning output terminal 16 shares two-way, wherein being that failure is believed all the way
Number leading-out terminal 161, another way is alarm signal output ends 162, and arc optical signal detection access terminal 17 shares 16 tunnels,
By the 16 road terminal for receiving the arc fault signal from arc photosensor；It is also set in arc protection main control unit 8
There are installation's power source module 18, power module 18 to be connected with plant-grid connection terminal 14.
This anti-interference arc light protective device based on multicriterion, since arc protection main control unit 8 uses reliably
Fast algorithm, can judge arc light variable signal and current changing signal in a short time and export rapidly, from find failure
It is better than 20ms to outlet trip time interval, it is ensured that the arc light of equipment is cut off within 100ms in switchgear；And according to arc light
The characteristics of when generation, the present apparatus are latched multicriterion using the ultraviolet light characteristic of arc light and size of current, current direction, can be effective
Safety action accuracy.
In summary：This anti-interference arc light protective device based on multicriterion, is examined by arc protection main control unit 8
Analysis current increment signal and current direction are surveyed, while receiving the arc fault signal of analysis collecting unit, and to electric current and arc
Light ultraviolet light intensity signal carries out comprehensive analysis and judgement and sends out trip command when meeting trip condition to cut off failure；By upper
State protection philosophy so that the present apparatus is swift in motion that reliable, protection is simple, rationally, effective solution the problems of the prior art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of anti-interference arc light protective device based on multicriterion, including cabinet (1), it is characterised in that：The cabinet
(1) observation window (2), indicator light (3) and selection key (4) are installed, the back of cabinet (1) is equipped with fixed plate on chamber door
(5), bolt screw hole (6) is provided in fixed plate (5), the side of cabinet (1) is equipped with input terminal (7), input terminal (7)
The arc protection main control unit (8) being equipped with inside end and cabinet (1) is connected；The one of the arc protection main control unit (8)
End is provided with standby current input terminal (9), main cabinet current input terminal (10), arc light collecting unit access terminal (11), number
Communication access terminal (12) and Ethernet access terminal (13), the other end of arc protection main control unit (8) are provided with power supply
Access terminal (14), fast trip leading-out terminal (15), warning output terminal (16) and arc optical signal detection access terminal (17)；
Installation's power source module (18), the power module (18) and plant-grid connection terminal are additionally provided in arc protection main control unit (8)
(14) it is connected.
2. a kind of anti-interference arc light protective device based on multicriterion according to claim 1, it is characterised in that：Institute
Standby current input terminal (9) and main six tunnels cabinet current input terminal (10) Jun You are stated, and per terminal sub-loop and three-phase current
It is connected.
3. a kind of anti-interference arc light protective device based on multicriterion according to claim 1, it is characterised in that：Institute
It states warning output terminal (16) and shares two-way, wherein being fault-signal leading-out terminal (161) all the way, another way is that alarm signal is defeated
Go out terminal (162).
4. a kind of anti-interference arc light protective device based on multicriterion according to claim 1, it is characterised in that：Institute
It states arc optical signal detection access terminal (17) and shares 16 tunnels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089146.1U CN207926172U (en) | 2018-01-19 | 2018-01-19 | A kind of anti-interference arc light protective device based on multicriterion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089146.1U CN207926172U (en) | 2018-01-19 | 2018-01-19 | A kind of anti-interference arc light protective device based on multicriterion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926172U true CN207926172U (en) | 2018-09-28 |
Family
ID=63604782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089146.1U Expired - Fee Related CN207926172U (en) | 2018-01-19 | 2018-01-19 | A kind of anti-interference arc light protective device based on multicriterion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926172U (en) |
-
2018
- 2018-01-19 CN CN201820089146.1U patent/CN207926172U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 Xinguang Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Xinchi Electric Group Co., Ltd. Address before: 325600 Xinguang Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: SUNTREE ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20190119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |