CN205622216U - Intelligence arc light protection device - Google Patents
Intelligence arc light protection device Download PDFInfo
- Publication number
- CN205622216U CN205622216U CN201620333164.0U CN201620333164U CN205622216U CN 205622216 U CN205622216 U CN 205622216U CN 201620333164 U CN201620333164 U CN 201620333164U CN 205622216 U CN205622216 U CN 205622216U
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- Prior art keywords
- arc
- logic control
- input
- protection device
- module
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides an intelligence arc light protection device, which comprises a power supply module, power module and logic control unit connect, logic control unit's input passes through ultrasonic detection auxiliary unit and ultrasonic sensor's output connection, logic control unit's input passes through the output connection that the arc light detected auxiliary unit and electric arc light sensor, logic control unit's input passes through current detection auxiliary unit and current sensor's output connection, logic control unit's the input and the output of key entry module are connected, logic control unit's output and LCD display module, report an emergency and ask for help or increased vigilance the signal output module, quick earthing switch actuating circuit, upper reaches circuit breaker actuating circuit, communication module's input is connected, the utility model discloses can realize sending out the police dispatch number of notifying and remind operation maintainer to come to overhaul before arc fault takes place, thereby it extinguishes the fault electric arc to convert arc fault into dead short in the extremely short time, has improved well low voltage switchgear's reliability.
Description
Technical field
This utility model relates to switch cabinet arc light resist technology field, is specifically related to a kind of intelligence
Arc light protective device.
Background technology
Along with the development of power distribution network, voltage switchgear is widely applied in middle low-pressure system.Due to
The various factors impacts such as equipment self reason, running environment so that middle voltage bus bar arc short-circuit
Frequent Troubles, causes greatly the power supply reliability of electrical network and the personal safety of operator
Threat.
The middle-low voltage switch cabinet arc light protective device scattered unit of many employings used at present sets
Meter, installs dispersion and makes field wiring and layout designs have significant limitation, and cannot
Quickly excise arc fault.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide one
Intelligent arc-light protection device, is not only able to realize sending alarm signal before arc fault occurs
Number remind operation maintenance personnel come maintenance, additionally it is possible to can be by arc fault within the extremely short time
Be converted to metallic short circuit thus extinguish fault electric arc, remove fault current, drastically increase
The reliability of mesolow switchgear.
In order to achieve the above object, the technical scheme that this utility model is taked is:
A kind of Intelligent arc-light protection device, including power module 7, the output of power module 7
The first input end of end and logic control element 8 connects, the second input of logic control element 8
Hold and connected by the outfan of ultrasound examination auxiliary unit 4 and ultrasonic sensor 1, logic
3rd input of control unit 8 passes through arc light detecting auxiliary unit 5 and arclight sensor 2
Outfan connect, the four-input terminal of logic control element 8 pass through current detecting auxiliary unit
6 and current sensor 3 outfan connect, the 5th input and key of logic control element 8
The outfan of dish input module 9 connects, the first outfan of logic control element 8 and LCD
The input of display module 10 connects, the second outfan of logic control element 8 and alarm letter
The input of number output module 11 connects, the 3rd outfan of logic control element 8 and quickly
The input of earthed switch actuating circuit 12 connects, the 4th outfan of logic control element 8
Connecting with the input of upstream circuit breaker actuating circuit 13, the 5th of logic control element 8 is defeated
The input going out end and communication module 14 connects.
Described logic control element 8 complete arc sound, arc light, the analyzing and processing of current information,
Control of export and the real-time communication on backstage.
The definite value of arc light, electric current and relay protection is carried out defeated by described input through keyboard module 9
Enter and revise.
The running status of protection device is shown by described LCD display module 10, including
Arc sound, arc light, current value, breaker actuation situation and communication condition.
Described warning signal output module 11 is when protection device detects arc light or crosses stream
Time, the warning signal that output is relevant.
Described high speed grounding switch actuating circuit 12 controls high speed grounding switch by uncontrollable danger
The big short circuiting arc Conversion fault of evil becomes metal short circuit current to extinguish electric arc.
Described upstream circuit breaker actuating circuit 13 controls upstream circuit breaker and removes fault current.
Described communication module 14 is for Long-range Data Transmission.
The utility model has the advantage of: by ultrasonic sensor 1, arclight sensor 2,
After current sensor 3 collection information, then processed by logic control element 8, pass through LCD
Display module 10 liquid crystal display of man-machine friendly interface, intuitively；By input through keyboard module
9 definite value settings intuitively substantially increase the precision that definite value sets；Defeated by introducing warning signal
Go out module 11 and high speed grounding switch actuating circuit 12 is not only able to realize occurring at arc fault
Signal an alert reminds operation maintenance personnel to come maintenance before, additionally it is possible to can be when extremely short
In arc fault be converted to metallic short circuit thus extinguish fault electric arc, by upstream circuit breaker
Actuating circuit 13 removes fault current, and this utility model is not only able to realize sending out at arc fault
Before life, signal an alert reminds operation maintenance personnel to come to overhaul, additionally it is possible to can be extremely short
In time, arc fault is converted to metallic short circuit thus extinguishes fault electric arc, remove fault electricity
Stream, drastically increases the reliability of mesolow switchgear.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further illustrated.
With reference to Fig. 1, a kind of Intelligent arc-light protection device, including power module 7, power supply mould
The outfan of block 7 and the first input end of logic control element 8 connect, logic control element 8
The second input by ultrasound examination auxiliary unit 4 and the outfan of ultrasonic sensor 1
Connecting, the 3rd input of logic control element 8 passes through arc light detecting auxiliary unit 5 and electric arc
The outfan of optical sensor 2 connects, and the four-input terminal of logic control element 8 is examined by electric current
The outfan surveying auxiliary unit 6 and current sensor 3 connects, the 5th of logic control element 8
The outfan of input and input through keyboard module 9 connects, the first output of logic control element 8
The input of end and LCD display module 10 connects, the second outfan of logic control element 8
Connect with the input of warning signal output module 11, the 3rd output of logic control element 8
The input of end and high speed grounding switch actuating circuit 12 connects, the of logic control element 8
The input of four outfans and upstream circuit breaker actuating circuit 13 connects, logic control element 8
The 5th outfan and communication module 14 input connect.
Described ultrasonic sensor 1 uses piezoelectric ceramic type ultrasonic sensor, gathers electric arc
Arc sound.
Described arclight sensor 2 occurs when being used for gathering switch cubicle arc short-circuit fault
Arc light.
Described current sensor 3 is used for detection of excessive current signal.
The arc acoustical signal gathered is amplified, filters by described ultrasound examination auxiliary unit 4
Logic control element 8 is sent into after ripple, multilevel iudge.
Described arc light detecting auxiliary unit 5 carries out opto-electronic conversion, place to the arc optical signal gathered
Logic control element 8 is sent into after reason.
The change of the described current detecting auxiliary unit 6 current signal calculating current to gathering
Rate, judges overcurrent according to threshold value.
Described power module 7 provides power supply for logic control element 8.
Described logic control element 8 complete arc sound, arc light, the analyzing and processing of current information,
Control of export and the real-time communication on backstage.
The definite value of arc light, electric current and relay protection is carried out defeated by described input through keyboard module 9
Enter and revise.
The running status of protection device is shown by described LCD display module 10, including
Arc sound, arc light, current value, breaker actuation situation and communication condition.
Described warning signal output module 11 is when protection device detects arc light or crosses stream
Time, the warning signal that output is relevant.
Described high speed grounding switch actuating circuit 12 controls high speed grounding switch by uncontrollable danger
The big short circuiting arc Conversion fault of evil becomes metal short circuit current to extinguish electric arc.
Described upstream circuit breaker actuating circuit 13 controls upstream circuit breaker and removes fault current.
Described communication module 14 is for Long-range Data Transmission.
Operation principle of the present utility model is: ultrasonic sensor 1, arclight sensor 2 with
And arc sound, arc light and current signal are acquired by current sensor 3 respectively, and will gather
Signal is delivered to deliver to logic control element 8, when logic control element 8 connects after auxiliary unit processes
Can judge according to setting logic when receiving the signal transmitted.When condition meets if action
Can first send to high speed grounding switch actuating circuit 12 and upstream circuit breaker actuating circuit 13
Actuating signal, high speed grounding switch first action, can complete fault electric arc within 5ms
It is converted into the task of metallic short circuit.Upstream circuit breaker can thoroughly remove short circuit in 60ms
Electric current, thus ensured the safety of switch cubicle and operator.Finally by communication module
The place of 14 reporting faults generations and time, provide authentic communication for ensuing accident treatment.
Claims (8)
1. an Intelligent arc-light protection device, including power module (7), power module (7)
Outfan and logic control element (8) first input end connect, it is characterised in that: patrol
Second input of volume control unit (8) is by ultrasound examination auxiliary unit (4) and ultrasonic
The outfan of wave sensor (1) connects, and the 3rd input of logic control element (8) passes through
The outfan of arc light detecting auxiliary unit (5) and arclight sensor (2) connects, logic control
The four-input terminal of unit processed (8) passes through current detecting auxiliary unit (6) and current sensor
(3) outfan connects, the 5th input of logic control element (8) and input through keyboard mould
The outfan of block (9) connects, and the first outfan of logic control element (8) and LCD show
Show that the input of module (10) connects, the second outfan of logic control element (8) and announcement
The input of alert signal output module (11) connects, and the 3rd of logic control element (8) is defeated
The input going out end and high speed grounding switch actuating circuit (12) connects, logic control element (8)
The 4th outfan and upstream circuit breaker actuating circuit (13) input connect, logic control
5th outfan of unit (8) and the input of communication module (14) connect.
A kind of Intelligent arc-light protection device the most according to claim 1, its feature exists
In: described logic control element (8) completes at the analysis of arc sound, arc light, current information
Reason, control of export and the real-time communication on backstage.
A kind of Intelligent arc-light protection device the most according to claim 1, its feature exists
In: the definite value of arc light, electric current and relay protection is entered by described input through keyboard module (9)
Row input and amendment.
A kind of Intelligent arc-light protection device the most according to claim 1, its feature exists
In: the running status of protection device is shown by described LCD display module (10),
Including arc sound, arc light, current value, breaker actuation situation and communication condition.
A kind of Intelligent arc-light protection device the most according to claim 1, its feature exists
In: described warning signal output module (11) is when protection device detects arc light or crosses stream
Time, the warning signal that output is relevant.
A kind of Intelligent arc-light protection device the most according to claim 1, its feature exists
In: described high speed grounding switch actuating circuit (12) controls high speed grounding switch by uncontrollable
Endangering big short circuiting arc Conversion fault becomes metal short circuit current to extinguish electric arc.
A kind of Intelligent arc-light protection device the most according to claim 1, its feature exists
In: described upstream circuit breaker actuating circuit (13) controls upstream circuit breaker and removes fault current.
A kind of Intelligent arc-light protection device the most according to claim 1, its feature exists
In: described communication module (14) is used for Long-range Data Transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333164.0U CN205622216U (en) | 2016-04-20 | 2016-04-20 | Intelligence arc light protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333164.0U CN205622216U (en) | 2016-04-20 | 2016-04-20 | Intelligence arc light protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205622216U true CN205622216U (en) | 2016-10-05 |
Family
ID=57027725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620333164.0U Expired - Fee Related CN205622216U (en) | 2016-04-20 | 2016-04-20 | Intelligence arc light protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205622216U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689624A (en) * | 2017-09-18 | 2018-02-13 | 合肥慕智信息技术有限公司 | A kind of Grunding switch gear device of intellectual analysis control |
| CN108110728A (en) * | 2016-11-24 | 2018-06-01 | 西门子公司 | Protection switch |
| CN110784005A (en) * | 2018-07-24 | 2020-02-11 | 伊顿智能动力有限公司 | Uninterruptible power supply, arc extinguishing device, electric appliance for reducing arc energy and method |
| CN110854821A (en) * | 2019-11-15 | 2020-02-28 | 上海红檀智能科技有限公司 | Self-adaptive electric arc light protection method based on current and arc light change trend |
| CN113725805A (en) * | 2021-07-22 | 2021-11-30 | 西安交通大学 | Switch cabinet internal fault arc protection device based on multi-signal fusion |
-
2016
- 2016-04-20 CN CN201620333164.0U patent/CN205622216U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110728A (en) * | 2016-11-24 | 2018-06-01 | 西门子公司 | Protection switch |
| CN108110728B (en) * | 2016-11-24 | 2019-11-15 | 西门子公司 | Protective switch |
| CN107689624A (en) * | 2017-09-18 | 2018-02-13 | 合肥慕智信息技术有限公司 | A kind of Grunding switch gear device of intellectual analysis control |
| CN110784005A (en) * | 2018-07-24 | 2020-02-11 | 伊顿智能动力有限公司 | Uninterruptible power supply, arc extinguishing device, electric appliance for reducing arc energy and method |
| CN110784005B (en) * | 2018-07-24 | 2023-09-29 | 伊顿智能动力有限公司 | Uninterruptible power supply, arc extinguishing device, electric appliance and method for reducing arc energy |
| CN110854821A (en) * | 2019-11-15 | 2020-02-28 | 上海红檀智能科技有限公司 | Self-adaptive electric arc light protection method based on current and arc light change trend |
| CN110854821B (en) * | 2019-11-15 | 2021-09-24 | 上海红檀智能科技有限公司 | Self-adaptive electric arc light protection method based on current and arc light change trend |
| CN113725805A (en) * | 2021-07-22 | 2021-11-30 | 西安交通大学 | Switch cabinet internal fault arc protection device based on multi-signal fusion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20190420 |