CN204156396U - The explosion-proof gas-filling cabinet of ABB - Google Patents
The explosion-proof gas-filling cabinet of ABB Download PDFInfo
- Publication number
- CN204156396U CN204156396U CN201420623441.2U CN201420623441U CN204156396U CN 204156396 U CN204156396 U CN 204156396U CN 201420623441 U CN201420623441 U CN 201420623441U CN 204156396 U CN204156396 U CN 204156396U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- gas
- bellows
- inner cabinet
- die cushion
- 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
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses the explosion-proof gas-filling cabinet of a kind of ABB, comprise outer frame body and inner cabinet, described inner cabinet is arranged in outer frame body, insulating gas is packaged with in described inner cabinet, its technical essential is: on described inner cabinet, UNICOM is provided with pneumatic die cushion and the radiating tube of hollow, described outer frame body offers the ventilation hole just right with radiating tube, described inner cabinet is also provided with the fan just right with radiating tube, bellows is provided with in described pneumatic die cushion, the sidewall of described pneumatic die cushion offers through hole, described bellows diameter is greater than described through-hole diameter, one end of described bellows is sealedly connected on the outside of described through hole, the other end is movable end and described movable end is arranged in closing, described bellows interior is provided with sensitive switch, during described bellows compression, described movable end can touch sensitive switch, described sensitive switch is connected with fan, the utility model aims to provide a kind of mounting panel low production cost, mechanism secures, breaker cabinet easy for installation.
Description
Technical field
The utility model relates to a kind of electrical auxiliary service, and more particularly, it relates to a kind of breaker cabinet.
Background technology
Gas-filling cabinet is switchgear of new generation, whole cabinet adopts air insulation to combine with sulfur hexafluoride gas compartment, not only compact but also extendible, be applicable to power distribution automation, gas-filling cabinet has compact conformation, flexible operation, the feature such as to interlock reliable, to various different application scenario (particularly the place of bad environments), different users requires all can provide gratifying technical scheme, gas-filling cabinet is applicable to the small-sized secondary substation of electric power system, switching station, box-type substation, residential quarters, industrial and mining enterprises, megastore, be specially adapted to airport, subway, railways etc. require higher occasion to electricity consumption.
In gas-filling cabinet, closely packed has the gas of high insulating property, and in the gas-filling cabinet course of work, its internal circuit element produces amount of heat thus causes insulating gas expanded by heating wherein, if appropriate process can not just have the danger of blast, and common gas-filled tube is generally no more than 40 degree because this reason limits its Applicable temperature.
In prior art, be disclose a kind of gas-filling cabinet explosion-protection equipment in the Chinese utility model patent prospectus of CN201320595376.2 in the patent No., comprise and be filled in burst disk in gas tank base plate perforate perforate and grommet thereof, be overlying on the sealing ring on burst disk outward, and by securing member that this burst disk and grommet thereof, sealing ring connect with gas tank base plate, the beneficial effect of this utility model is: use a kind of gas-filling cabinet decompression anti-explosion device, can play explosion-proof object.
Although the gas-filling cabinet explosion-protection equipment of this utility model arranges pressure relief device, but the insulating gas of filling in gas-filling cabinet is sulphur hexafluoride, although sulphur hexafluoride itself is to human non-toxic, harmless, but it is a kind of greenhouse gases, its monomolecular greenhouse effect are 2.2 ten thousand times of carbon dioxide, one of 6 kinds of greenhouse gas being prohibited in Kyoto Protocol to discharge, this sulphur hexafluoride discharged in gas-filling cabinet by this pressure relief device can cause serious pollution to environment, and by needing again after this pressure relief device pressure release to supplement sulphur hexafluoride in gas-filling cabinet, very inconvenient.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of explosion-proof gas-filling cabinet that can not discharge sulphur hexafluoride.
For achieving the above object, the utility model provides following technical scheme: the explosion-proof gas-filling cabinet of a kind of ABB, comprise outer frame body and inner cabinet, described inner cabinet is arranged in outer frame body, insulating gas is packaged with in described inner cabinet, wherein: on described inner cabinet, UNICOM is provided with pneumatic die cushion and the radiating tube of hollow, described outer frame body offers the ventilation hole just right with radiating tube, described inner cabinet is also provided with the fan just right with radiating tube, bellows is provided with in described pneumatic die cushion, the sidewall of described pneumatic die cushion offers through hole, described bellows diameter is greater than described through-hole diameter, one end of described bellows is sealedly connected on the outside of described through hole, the other end is movable end and described movable end is arranged in closing, described bellows interior is provided with sensitive switch, during described bellows compression, described movable end can touch sensitive switch, described sensitive switch is connected with fan.
By adopting technique scheme, pneumatic die cushion is utilized to collect gas because of expanded by heating in described gas-filling cabinet, play the effect of balanced gas-filling cabinet air pressure inside, described contracting mechanism when gas expansion by gas compression, after described gas-filling cabinet temperature declines, described gas can be got back to again in described gas-filling cabinet, described insulating gas is enable to reuse without the need to again inflating, and described bellows touches described sensitive switch after being squeezed, thus described fan is run, and by described radiating tube, described gas-filling cabinet temperature is declined, prevent described gas-filling cabinet temperature too high causing from exploding.
The utility model is set to further: described radiating tube is provided with multiple, and is disposed in parallel in the side of described inner cabinet.
By adopting technique scheme, making the radiating effect of described radiating tube and fan better, ensureing the explosion-proof performance of described explosion-proof gas-filling cabinet further.
The utility model is set to further: described pneumatic die cushion is arranged on the top of described inner cabinet.
By adopting technique scheme, rise after described insulating gas expanded by heating, described pneumatic die cushion can discharge its internal pressure the very first time, and pneumatic die cushion is in and also makes pneumatic die cushion can not have an impact to the installation of described gas-filling cabinet, carrying above gas-filling cabinet.
The utility model is set to further: described bellows is provided with directive wheel away from one end of through hole.
By adopting technique scheme, described directive wheel decreases the frictional force of bellows and pneumatic die cushion inside, thus makes the contraction of described bellows, expansion more rapid, and release of pressure ability is better.
Compared with prior art, explosion-proof gas-filling cabinet of the present utility model utilizes the contracting mechanism of pneumatic die cushion and pneumatic die cushion inside to collect the insulating gas of cabinet internal expansion, both the gas pressure of at high temperature gas-filling cabinet inside had been alleviated, prevent again the discharge of insulating gas to the pollution alleviated, and pass through the combination of radiating tube, fan and sensitive switch, the temperature detected in gas-filling cabinet is also automatically opened, is closed cooling system, further ensures the explosion-proof performance of described gas-filling cabinet.
Accompanying drawing explanation
Fig. 1 is the front schematic view of the explosion-proof gas-filling cabinet embodiment of the utility model ABB;
Fig. 2 is the schematic perspective view of the inner cabinet of the explosion-proof gas-filling cabinet embodiment of the utility model ABB;
Fig. 3 is the structural representation of the pneumatic die cushion in the explosion-proof gas-filling cabinet embodiment of the utility model ABB.
Reference numeral: 1. inner cabinet; 2. cabinet door; 3. door lock; 4. brows frame; 5. pneumatic die cushion; 6. through hole; 7. bellows; 71. movable end 8. gas tube orifice; 9. directive wheel; 10. air storing cavity; 11. fans; 12. radiating tubes; 13. sensitive switches; 14. springs; 15. outer frame bodies; 16. ventilation holes.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model breaker cabinet embodiment is described further.
The explosion-proof gas-filling cabinet of a kind of ABB, comprise outer frame body 15 and inner cabinet 1, described inner cabinet 1 is arranged in outer frame body, insulating gas is packaged with in described inner cabinet 1, described inner cabinet 1 is also provided with cabinet door 2 and brows frame 4, described cabinet door 2 is provided with door lock 3, described brows are provided with the running status that indicating circuit is convenient to detect gas-filling cabinet inner member, circuit breaker is provided with in described inner cabinet 1, the electric components such as relay, the inside of described inner cabinet 1 is filled with sulfur hexafluoride gas for insulation, wherein: on described inner cabinet 1, UNICOM is provided with pneumatic die cushion 5 and the radiating tube 12 of hollow, described outer frame body 15 offers the ventilation hole 16 just right with radiating tube 12, described pneumatic die cushion 5 is arranged on the top of described inner cabinet 1, described radiating tube 12 is provided with multiple and is disposed in parallel in the side of described inner cabinet 1, described inner cabinet 1 is also provided with the fan 11 just right with radiating tube 12, the cylindrical setting of described gas-filling cabinet, in described pneumatic die cushion 5, bellows 7 is set, described bellows 7 is preferably set to metal and makes, there is good hardness thus avoid in handling process damaged, the sidewall of described pneumatic die cushion 5 offers circular through hole 6, described bellows 7 diameter is greater than described through hole 6 diameter, one end of described bellows 7 is sealedly connected on the outside of described through hole 6, the other end is movable end 71 and described movable end 71 is arranged in closing, described movable end 71 is provided with directive wheel 9, described bellows 7 inside is provided with sensitive switch 13, when described bellows 7 compresses, described movable end 71 can touch sensitive switch 13, preferably, fixed by spring 14 between described sensitive switch 13 and pneumatic die cushion 5, described sensitive switch 13 is connected by wire electricity with fan 11, described bellows 7 is slidably connected by the inwall of guide roller and pneumatic die cushion 5, described pneumatic die cushion 5 seals with bellows 7 and is formed with air storing cavity 10, and described air storing cavity 10 offers gas tube orifice 8, and by air storing cavity 10 UNICOM of gas tube orifice 8 with gas-filling cabinet inside.
Concrete principle of the present utility model: when described gas-filling cabinet runs, the electric component of its inside can produce a large amount of heats thus make described gas-filling cabinet temperature increase, the sulphur hexafluoride expanded by heating of described insulation, and the sulphur hexafluoride of described expansion enters air storing cavity 10 from described gas tube orifice 8, and extrude described bellows 7, after institute's bellows 7 is out of shape by compression, the volume of described air storing cavity 10 increases, make the stable gas pressure of described inner cabinet 1 inside at normal value, when described gas-filling cabinet temperature declines, the air pressure of described gas-filling cabinet inside is less than external air pressure, additional described bellows 7 has elastic recovery potential energy, thus make described bellows 7 return back to normal length, it is inner that described sulphur hexafluoride is back to inner cabinet 1, and described bellows 7 touches described sensitive switch 13 after being squeezed, thus described fan 11 is run, and by described radiating tube 12, described gas-filling cabinet temperature is declined, prevent described gas-filling cabinet temperature too high causing from exploding.
Compared with prior art, explosion-proof gas-filling cabinet of the present utility model utilizes the contracting mechanism of pneumatic die cushion and pneumatic die cushion inside to collect the insulating gas of cabinet internal expansion, both the gas pressure of at high temperature gas-filling cabinet inside had been alleviated, prevent again the discharge of insulating gas to the pollution alleviated, and pass through the combination of radiating tube 12, fan 11 and sensitive switch 13, the temperature detected in gas-filling cabinet is also automatically opened, is closed cooling system, further ensures the explosion-proof performance of described gas-filling cabinet.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. the explosion-proof gas-filling cabinet of ABB, comprise outer frame body and inner cabinet, described inner cabinet is arranged in outer frame body, insulating gas is packaged with in described inner cabinet, it is characterized in that: on described inner cabinet, UNICOM is provided with pneumatic die cushion and the radiating tube of hollow, described outer frame body offers the ventilation hole just right with radiating tube, described inner cabinet is also provided with the fan just right with radiating tube, bellows is provided with in described pneumatic die cushion, the sidewall of described pneumatic die cushion offers through hole, described bellows diameter is greater than described through-hole diameter, one end of described bellows is sealedly connected on the outside of described through hole, the other end is movable end and described movable end is arranged in closing, described bellows interior is provided with sensitive switch, during described bellows compression, described movable end can touch sensitive switch, described sensitive switch is connected with fan.
2. the explosion-proof gas-filling cabinet of a kind of ABB according to claim 1, is characterized in that: described radiating tube is provided with multiple, and is disposed in parallel in the side of described inner cabinet.
3. the explosion-proof gas-filling cabinet of a kind of ABB according to claim 1 and 2, is characterized in that: described pneumatic die cushion is arranged on the top of described inner cabinet.
4. the explosion-proof gas-filling cabinet of a kind of ABB according to claim 3, is characterized in that: described bellows is provided with directive wheel away from one end of through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420623441.2U CN204156396U (en) | 2014-10-25 | 2014-10-25 | The explosion-proof gas-filling cabinet of ABB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420623441.2U CN204156396U (en) | 2014-10-25 | 2014-10-25 | The explosion-proof gas-filling cabinet of ABB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204156396U true CN204156396U (en) | 2015-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420623441.2U Expired - Fee Related CN204156396U (en) | 2014-10-25 | 2014-10-25 | The explosion-proof gas-filling cabinet of ABB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204156396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313305A (en) * | 2020-03-25 | 2020-06-19 | 南通泰富电器制造有限公司 | Circuit breaker for ring main unit and method |
-
2014
- 2014-10-25 CN CN201420623441.2U patent/CN204156396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313305A (en) * | 2020-03-25 | 2020-06-19 | 南通泰富电器制造有限公司 | Circuit breaker for ring main unit and method |
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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: 20150211 Termination date: 20201025 |