CN203398066U - Fuse body for protecting photovoltaic system - Google Patents
Fuse body for protecting photovoltaic system Download PDFInfo
- Publication number
- CN203398066U CN203398066U CN201320499267.0U CN201320499267U CN203398066U CN 203398066 U CN203398066 U CN 203398066U CN 201320499267 U CN201320499267 U CN 201320499267U CN 203398066 U CN203398066 U CN 203398066U
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- China
- Prior art keywords
- fuse
- fusion tube
- hole
- sealing end
- photovoltaic system
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- Expired - Lifetime
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Abstract
The utility model discloses a fuse body for protecting a photovoltaic system. The fuse body is characterized by comprising a fuse tube, a fuse wire arranged in the fuse tube and sealing end caps respectively arranged at the two ends of the fuse tube, wherein protective caps are respectively arranged at the two ends of the fuse tube and positioned between the fuse tube and the sealing end caps, each protective cap is equipped with a through hole connected with the fuse tube, an insulating plate capable of breakdown is arranged at the side of the through hole opposite to the sealing end cap, the internal diameter of the through hole is lower than that of the protective cap, the external diameter of the insulating plate is greater than the internal diameter of the through hole, the insulating plates are made of asbestos, and quartz sand is arranged in the fuse tube. When the fuse wire generates instant strong arcs, the fuse body for protecting the photovoltaic system, provided by the utility model, can effectively avoid the sealing end caps from being broken down by the arcs, so that the fuse tube and the sealing end caps can be utilized repeatedly, thereby being safer and more reliable.
Description
Technical field
The utility model relates to a kind of fuse, is specifically related to a kind of photovoltaic system protection fuse blows body.
Background technology
Fuse plays great role in the safe operation of circuit, and along with the development of power industry, the requirement of its circuit being implemented to protection is also more and more higher.
Fuse in the market is generally comprised of fusion tube, fuse and sealing end cap, sharp increase along with people's power consumption, network load is large, due to network configuration and plant issue, often has load accident to occur, when going wrong, circuit often occurs that fuse continues electric discharge at short notice, produce instantaneous hard arc, strong electric arc easily punctures sealing end cap, causes fuse to damage, can not reuse, and have certain potential safety hazard.
Utility model content
The deficiency existing for prior art; the utility model provides a kind of photovoltaic system protection fuse blows body; this photovoltaic system is protected with fuse blows body when fuse failure produces instantaneous hard arc; can effectively avoid sealing end cap by arc through; fusion tube and sealing end cap can be reused, more safe and reliable.
For achieving the above object; the utility model provides following technical scheme: a kind of photovoltaic system protection fuse blows body; comprise fusion tube, be located at the fuse in fusion tube and be located at respectively the sealing end cap at fusion tube two ends; fusion tube two ends are respectively equipped with head protector; head protector is between fusion tube and sealing end cap; head protector is provided with the through hole with fusion tube conducting, and the opposite side of the corresponding sealing of through hole end cap is provided with the insulation board that can puncture.
By adopting technique scheme, fusion tube two ends are respectively equipped with head protector, head protector is between fusion tube and sealing end cap, head protector is provided with the through hole with fusion tube conducting, the opposite side of the corresponding sealing of through hole end cap is provided with the insulation board that can puncture, when the fuse failure in fusion tube produces instantaneous hard arc, hard arc can puncture insulation board, can effectively avoid in fusion tube the too high and booster of instantaneous air pressure, simultaneously when hard arc punctures insulation board, insulation board also has certain arc extinguishing effect, can prevent that hard arc from directly puncturing sealing end cap, fusion tube and sealing end cap can be reused, more safe and reliable.
The utility model is further set to, and the internal diameter of described through hole is less than the internal diameter of head protector, and the external diameter of insulation board is greater than the internal diameter of through hole.
By adopting technique scheme, the internal diameter of through hole is less than the internal diameter of head protector, the external diameter of insulation board is greater than the internal diameter of through hole, when insulation board is located at the opposite side of the corresponding sealing of head protector end cap, because the external diameter of insulation board is greater than the internal diameter of through hole, can make insulation board be limited at a side of the corresponding fusion tube of head protector.
The utility model is further set to, and described insulation board is made by asbestos.
By adopting technique scheme, insulation board is made by asbestos, and asbestos have good insulation and arc extinction performance, makes the serviceability of fuse safer stable.
The utility model is further set to, and in described fusion tube, is provided with quartz sand.
By adopting technique scheme, in fusion tube, be provided with quartz sand, make fuse performance more stable, the instantaneous hard arc producing while preventing fuse failure does great damage to fusion tube.
Accompanying drawing explanation
Fig. 1 is the structural representation of fuse blows body for the protection of the utility model photovoltaic system.
Reference numeral: 1, fusion tube; 2, fuse; 3, sealing end cap; 4, head protector; 41, through hole; 5, insulation board.
Embodiment
With reference to Fig. 1, to the utility model photovoltaic system, protection is described further with fuse blows body embodiment.
A kind of photovoltaic system protection fuse blows body; comprise fusion tube 1, be located at the fuse 2 in fusion tube 1 and be located at respectively the sealing end cap 3 at fusion tube 1 two ends; fusion tube 1 two ends are respectively equipped with head protector 4; head protector 4 is between fusion tube 1 and sealing end cap 3; head protector 4 is provided with the through hole 41 with fusion tube 1 conducting, and the opposite side of the corresponding sealing end cap 3 of through hole 41 is provided with the insulation board 5 that can puncture.
By adopting technique scheme, fusion tube 1 two ends are respectively equipped with head protector 4, head protector 4 is between fusion tube 1 and sealing end cap 3, it should be noted that herein, sealing end cap 3 can be connected in series with head protector 4, also can be sheathed on head protector 4, as best preferred version of the present utility model, sealing end cap 3 is sheathed on head protector 4, and head protector 4 is threaded with fusion tube 1; Head protector 4 is provided with the through hole 41 with fusion tube 1 conducting, the opposite side of the corresponding sealing end cap 3 of through hole 41 is provided with the insulation board 5 that can puncture, when fuse 2 fusing in fusion tube 1 produce instantaneous hard arc, hard arc can puncture insulation board 5, can effectively avoid the too high and booster of the interior instantaneous air pressure of fusion tube 1, simultaneously when hard arc punctures insulation board 5, insulation board 5 also has certain arc extinguishing effect, can prevent that hard arc from directly puncturing sealing end cap 3, fusion tube 1 and sealing end cap 3 can be reused, more safe and reliable.
The internal diameter of described through hole 41 is less than the internal diameter of head protector 4, and the external diameter of insulation board 5 is greater than the internal diameter of through hole 41.
By adopting technique scheme, the internal diameter of through hole 41 is less than the internal diameter of head protector 4, the external diameter of insulation board 5 is greater than the internal diameter of through hole 41, when insulation board 5 is located at the opposite side of the corresponding sealing end cap 3 of head protector 4, because the external diameter of insulation board 5 is greater than the internal diameter of through hole 41, can make insulation board 5 be limited at a side of the corresponding fusion tube 1 of head protector 4.
Described insulation board 5 is made by asbestos.
By adopting technique scheme, as best preferred version of the present utility model, insulation board 5 is made by asbestos, and asbestos have good insulation and arc extinction performance, makes the serviceability of fuse safer stable.
In described fusion tube 1, be provided with quartz sand.
By adopting technique scheme, in fusion tube 1, be provided with quartz sand, make fuse 2 performances more stable, the instantaneous hard arc producing while preventing fuse 2 fusing does great damage to fusion tube 1.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging 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, in the some improvements and modifications that do not depart 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. a photovoltaic system protection is used fuse blows body; comprise fusion tube, be located at the fuse in fusion tube and be located at respectively the sealing end cap at fusion tube two ends; it is characterized in that: described fusion tube two ends are respectively equipped with head protector; head protector is between fusion tube and sealing end cap; described head protector is provided with the through hole with fusion tube conducting, and the opposite side of the corresponding sealing of through hole end cap is provided with the insulation board that can puncture.
2. fuse blows body is used in a kind of photovoltaic system protection according to claim 1, it is characterized in that: the internal diameter of described through hole is less than the internal diameter of head protector, and the external diameter of insulation board is greater than the internal diameter of through hole.
3. fuse blows body is used in a kind of photovoltaic system protection according to claim 1 and 2, it is characterized in that: described insulation board is made by asbestos.
4. fuse blows body is used in a kind of photovoltaic system protection according to claim 3, it is characterized in that: in described fusion tube, be provided with quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499267.0U CN203398066U (en) | 2013-08-15 | 2013-08-15 | Fuse body for protecting photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499267.0U CN203398066U (en) | 2013-08-15 | 2013-08-15 | Fuse body for protecting photovoltaic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203398066U true CN203398066U (en) | 2014-01-15 |
Family
ID=49909579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320499267.0U Expired - Lifetime CN203398066U (en) | 2013-08-15 | 2013-08-15 | Fuse body for protecting photovoltaic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203398066U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362603A (en) * | 2014-10-31 | 2015-02-18 | 王统 | Safety lighting protection device |
| CN104362584A (en) * | 2014-10-31 | 2015-02-18 | 王统 | Safety lightning protection device |
| CN105280453A (en) * | 2014-05-30 | 2016-01-27 | 功得电子工业股份有限公司 | High-surge-resistant fuse wire |
-
2013
- 2013-08-15 CN CN201320499267.0U patent/CN203398066U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280453A (en) * | 2014-05-30 | 2016-01-27 | 功得电子工业股份有限公司 | High-surge-resistant fuse wire |
| CN104362603A (en) * | 2014-10-31 | 2015-02-18 | 王统 | Safety lighting protection device |
| CN104362584A (en) * | 2014-10-31 | 2015-02-18 | 王统 | Safety lightning protection device |
| CN104362584B (en) * | 2014-10-31 | 2018-03-13 | 王统 | A kind of safe lightning protection device |
| CN104362603B (en) * | 2014-10-31 | 2018-03-16 | 王统 | A kind of safe lightning protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |