CN204068222U - A kind of switch cabinet arc light protector - Google Patents
A kind of switch cabinet arc light protector Download PDFInfo
- Publication number
- CN204068222U CN204068222U CN201420448206.6U CN201420448206U CN204068222U CN 204068222 U CN204068222 U CN 204068222U CN 201420448206 U CN201420448206 U CN 201420448206U CN 204068222 U CN204068222 U CN 204068222U
- Authority
- CN
- China
- Prior art keywords
- arc
- switch cubicle
- extinguish chamber
- supply line
- refrigerating gas
- 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.)
- Expired - Fee Related
Links
- 230000001012 protector Effects 0.000 title claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000010891 electric arc Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010037544 Purging Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
A kind of switch cubicle arc light protector, belong to electrical equipment, each circuit breaker of switch cubicle is provided with arc-extinguish chamber, be hollow form in described arc-extinguish chamber, refrigerating gas pipeline is provided with in the arc-extinguish chamber of hollow, arc-extinguish chamber comprises multiple grid, each grid is provided with refrigerating gas venthole, liquid nitrogen supply line outside refrigerating gas pipeline UNICOM to switch cubicle, described liquid nitrogen supply line is provided with automatic valve, automatic valve is connected with controller, the valuable temperature of switch can be reduced by utilizing the arc-extinguish chamber of this structure, reduce thermionic distributing, thus reduce or stop the generation of arc phenomenon, thus prevent and lead to larger harm.
Description
Technical field
The utility model relates to a kind of arc light protector, and particularly a kind of switch cubicle arc light protector, belongs to electrical equipment.
Background technology
In Electric device with a contact, often along with gas discharge phenomenon in the process of contact connection and breaking current, electric arc belongs to a kind of form of gas discharge.Gas discharge is divided into self-maintained discharge and non-self-maintained discharge two class, electric arc belongs to the arc discharge in gas self-maintained discharge, when cut-off in an atmosphere or sealing voltage more than circuit more than 100MA of 10V, electric current time, extremely strong and the gas that can conduct electricity of an extreme temperatures, brightness can be produced in contact gap (or claim arc gap), be called electric arc.Because arc temperature is very high, under the effect of high temperature, place's neutral at high temperature produces strong irregular warm-up movement due to high temperature, when neutral collides with each other, electronics and ion will be formed again by dissociating, this cause because of warm-up movement be freely called that heat is free, heat is free produces electric arc between a large amount of electronics and ion maintenance contact gap, produce electric arc primarily of ionization by impact, pilot arc mainly relies on heat free, for Electric device with a contact, due to electric arc mainly result from contact open circuit time, high temperature is by scaling loss contact and insulation, even phase fault is caused under serious conditions, electrical equipment explodes, lead to fire, jeopardize the safety of personnel and equipment.So study electric arc from the angle of electrical equipment, object is the basic law understanding it, finds out corresponding way, allows electric arc extinguish as early as possible in electrical equipment.
At present some in process of production, can produce some as gases such as nitrogen, these gases, owing to not using the user of nitrogen in a large number, have no alternative but must discharge in air, and how can reduce the gas purgings such as nitrogen is also a measure to environmental protection.
Summary of the invention
High temperature is raised by scaling loss contact and insulation for electrical equipment in-cabinet temperature during generation electric arc, phase fault, electrical equipment is even caused to explode under serious conditions, lead to fire, jeopardize the security problems of personnel and equipment, in order to reduce carrying capacity of environment, the utility model is supplied to a kind of switch cubicle arc light protector, its objective is and reduces temperature in time, prevent arc light from causing heavy losses.
The technical solution of the utility model is: a kind of switch cubicle arc light protector, comprise circuit breaker, each circuit breaker of switch cubicle is provided with arc-extinguish chamber, be hollow form in described arc-extinguish chamber, refrigerating gas pipeline is provided with in the arc-extinguish chamber of hollow, arc-extinguish chamber comprises multiple grid, each grid is provided with refrigerating gas venthole, liquid nitrogen supply line outside refrigerating gas pipeline UNICOM to switch cubicle, described liquid nitrogen supply line is provided with automatic valve, automatic valve is connected with controller, arc photosensor is provided with in described switch cubicle, arc photosensor is connected to controller, controller receives the signal of arc photosensor and controls automatic valve opening and closing, described liquid nitrogen supply line is provided with manually-operated gate, manually-operated gate connects refrigerating gas pipeline and liquid nitrogen supply line by bypass, described venthole is positioned at for grid side Lower Half, venthole tilts upward, the angle of venthole and horizontal direction is between 15-45 degree.
The good effect that the utility model brings is, by being arranged to hollow state by arc-extinguish chamber, can proximity to circuit breakers be sent being used for cooling flame-out nitrogen into, by arranging automatic valve on nitrogen pipeline, when arc light detecting transducer detects arc light, controller can send the instruction of opening nitrogen pipeline to automatic valve in time, nitrogen is delivered to proximity to circuit breakers timely, the cooling effect of nitrogen is utilized to reduce the temperature of circuit breaker and even switch cubicle, prevent arc light continue spread, breed disaster, by arranging venthole upwards on arc-extinguish chamber, can directly nitrogen be blown to by circuit breaker, reduce the temperature of circuit breaker as soon as possible.By a pipeline in parallel by automatic pipeline, according to the situation in switch cubicle, micro-nitrogen can be provided at usual nitrogen manually-operated gate of suitably opening to Electric Appliance Cabinet, prevention effect played to the generation of arc light, meanwhile, also can arrive electric elements and play anti-oxidation effect.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Be described further with regard to the technical solution of the utility model referring to Fig. 1, in figure: 1: circuit breaker static contact, 2: circuit breaker static contact, 3: arc photosensor, 4: arc-extinguish chamber grid, 4a: venthole, 5: bypass line, 5a manually-operated gate, 6: pipeline, 6a automatically: automatic valve, 7: controller, 8: sensor line, 9: nitrogen pot, 10: switch cubicle.
The utility model is a kind of switch cubicle arc light protector, comprise circuit breaker, in switch cubicle 10, each circuit breaker is provided with arc-extinguish chamber, be hollow form in described arc-extinguish chamber, refrigerating gas pipeline is provided with in the arc-extinguish chamber of hollow, comprise bypass line 5 and automatic pipeline 6 in the present embodiment, arc-extinguish chamber comprises multiple grid, each grid is provided with refrigerating gas give vent to anger, 4a, liquid nitrogen supply line outside refrigerating gas pipeline UNICOM to switch cubicle 10, described liquid nitrogen supply line is provided with automatic valve 6a, automatic valve 6a is connected with controller 7, arc photosensor 3 is provided with in described switch cubicle 10, arc photosensor 3 is connected to controller 7, controller 7 receives the signal of arc photosensor 3 and controls the opening and closing of automatic valve 6a, described liquid nitrogen supply line is provided with manually-operated gate 5a, manually-operated gate connects refrigerating gas pipeline and liquid nitrogen supply line by by-pass line 4, described venthole 4a is positioned at for grid side Lower Half, venthole tilts upward, the angle of venthole and horizontal direction is between 15-45 degree.
In switch cubicle 10, except above-mentioned electric elements, also have other electric elements, just be not described in detail at this, in switch cubicle, when open circuit, negative electrode there will be strong focus, have electronics to disperse around electric level, thermionic disperse relevant with the temperature of surrounding, the neutral proton of the electronics dispersed and surrounding bumps against, when electronics has had certain accumulation, have neutral proton to be hit by free, define new electronics and cation, outside under alive effect, band point particle does directed movement and forms electric current, electric current punctures medium can form electric arc, in this case by passing into the nitrogen of trace, the ambient temperature around circuit breaker can be reduced, reduce breaker electrode and produce hot electron, thus the possibility of electric arc generation can be reduced, once generation electric arc, arc light can be detected at the other arc photosensor 3 arranged of circuit breaker, communicate information to controller at a terrific speed, controller 7 will send instruction, under the instruction of controller 7, automatic valve 6a will send into nitrogen by automatic pipeline 6 in circuit breaker, because nitrogen has cooling fire retardation, the temperature in circuit breaker can be reduced, thus also will reduce the thermionic probability of generation, also the probability of electric arc will be reduced, due to nitrogen blowout, the length of electric arc can be extended, elongating arc also just means the hot proton density reduced in medium, inhibit the free of collision, also temperature will be reduced, the object of arc extinguishing will be reached.
By being arranged to hollow state by arc-extinguish chamber, can proximity to circuit breakers be sent being used for cooling flame-out nitrogen into, by arranging automatic valve on nitrogen pipeline, when arc light detecting transducer detects arc light, controller can send the instruction of opening nitrogen pipeline to automatic valve in time, nitrogen is delivered to proximity to circuit breakers timely, the cooling effect of nitrogen is utilized to reduce the temperature of circuit breaker and even switch cubicle, prevent arc light continue spread, breed disaster, by arranging venthole upwards on arc-extinguish chamber, can directly nitrogen be blown to by circuit breaker, reduce the temperature of circuit breaker as soon as possible.By a pipeline in parallel by automatic pipeline, according to the situation in switch cubicle, micro-nitrogen can be provided at usual nitrogen manually-operated gate of suitably opening to Electric Appliance Cabinet, prevention effect played to the generation of arc light, meanwhile, also can arrive electric elements and play anti-oxidation effect.
Claims (4)
1. a switch cubicle arc light protector, comprise circuit breaker, it is characterized in that: each circuit breaker of switch cubicle is provided with arc-extinguish chamber, be hollow form in described arc-extinguish chamber, be provided with refrigerating gas pipeline in the arc-extinguish chamber of hollow, arc-extinguish chamber comprises multiple grid, each grid is provided with refrigerating gas venthole, liquid nitrogen supply line outside refrigerating gas pipeline UNICOM to switch cubicle, described liquid nitrogen supply line is provided with automatic valve, and automatic valve is connected with controller.
2. a kind of switch cubicle arc light protector according to claim 1, is characterized in that: be provided with arc photosensor in described switch cubicle, arc photosensor is connected to controller, and controller receives the signal of arc photosensor and controls automatic valve opening and closing.
3. a kind of switch cubicle arc light protector according to claim 1, is characterized in that: described liquid nitrogen supply line is provided with manually-operated gate, and manually-operated gate connects refrigerating gas pipeline and liquid nitrogen supply line by bypass.
4. a kind of switch cubicle arc light protector according to claim 1, is characterized in that: described venthole is positioned at for grid side Lower Half, and venthole tilts upward, and the angle of venthole and horizontal direction is between 15-45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448206.6U CN204068222U (en) | 2014-08-11 | 2014-08-11 | A kind of switch cabinet arc light protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448206.6U CN204068222U (en) | 2014-08-11 | 2014-08-11 | A kind of switch cabinet arc light protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068222U true CN204068222U (en) | 2014-12-31 |
Family
ID=52209669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420448206.6U Expired - Fee Related CN204068222U (en) | 2014-08-11 | 2014-08-11 | A kind of switch cabinet arc light protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231872A (en) * | 2016-08-23 | 2016-12-14 | 江苏明强电气有限公司 | A kind of arc protection is from putting out a fire switch board |
| CN109661689A (en) * | 2016-09-13 | 2019-04-19 | 罗伯特·博世有限公司 | Method for safety of operation |
-
2014
- 2014-08-11 CN CN201420448206.6U patent/CN204068222U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231872A (en) * | 2016-08-23 | 2016-12-14 | 江苏明强电气有限公司 | A kind of arc protection is from putting out a fire switch board |
| CN106231872B (en) * | 2016-08-23 | 2019-04-16 | 江苏明强电气有限公司 | A kind of arc protection is from control cabinet of putting out a fire |
| CN109661689A (en) * | 2016-09-13 | 2019-04-19 | 罗伯特·博世有限公司 | Method for safety of operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203406527U (en) | Safe high-voltage switch cabinet for power transmission and transformation | |
| CN204068222U (en) | A kind of switch cabinet arc light protector | |
| CN203983797U (en) | The wet control of a kind of temperature control warning high-voltage board | |
| CN104600581A (en) | Intelligent distribution box | |
| CN104362037B (en) | A kind of two-way current switch | |
| CN104714172A (en) | Direct current arc generating device | |
| CN204419656U (en) | A kind of control box of Double Speed Fan | |
| CN209900488U (en) | Electric switch cabinet capable of automatically extinguishing fire | |
| CN204144931U (en) | A kind of lightning arrester | |
| CN204464807U (en) | A kind of Novel high tension switchgear | |
| CN104600580A (en) | Power distribution box | |
| CN202221507U (en) | Protection device used for high-temperature camera system | |
| CN206283112U (en) | A kind of high-tension switch cabinet | |
| CN112271580B (en) | Switch cabinet with fire extinguishing function | |
| CN204407887U (en) | Handcart switch cabinet internal arc protective device | |
| CN213424905U (en) | Plastic casing type circuit breaker | |
| CN204102748U (en) | A kind of isolating switch control cubicle with warning | |
| CN207782236U (en) | A kind of Intelligent control cabinet of PLC | |
| CN202351363U (en) | Novel ground fault warning device | |
| CN205004653U (en) | Electric automobile is with block terminal that has real -time high pressure measuring function | |
| CN203910730U (en) | Novel drop-out fuse | |
| CN208674867U (en) | A kind of 3 stage overcurrent protection system | |
| CN206805324U (en) | A kind of temperature control equipment of switch control cabinet | |
| CN203785022U (en) | Starting device of gas stove alarming circuit | |
| CN203038821U (en) | Switch device with air exhaust structure |
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 |
Granted publication date: 20141231 Termination date: 20150811 |
|
| EXPY | Termination of patent right or utility model |