CN202585300U - High voltage current limiting fuse with rolling structure - Google Patents
High voltage current limiting fuse with rolling structure Download PDFInfo
- Publication number
- CN202585300U CN202585300U CN 201220032288 CN201220032288U CN202585300U CN 202585300 U CN202585300 U CN 202585300U CN 201220032288 CN201220032288 CN 201220032288 CN 201220032288 U CN201220032288 U CN 201220032288U CN 202585300 U CN202585300 U CN 202585300U
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- end cap
- porcelain tube
- fuse
- rolling structure
- current
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Abstract
The utility model relates to a high voltage current limiting fuse with a rolling structure, characterized in that a seal cap I (1) is connected with an end cap I (3), the end cap I (3) is connected with one end of a porcelain tube (6), the other end of the porcelain tube (6) is connected with an end cap II (9), the end cap II (9) is connected with a seal cap II (13), the seal cap II (13) is connected with a striker (12), the striker (12) is connected with a resistance wire (10), the other end of the resistance wire (10) is connected with a connection member (11), a fuse (8) is wound on a star-type framework (5), two end points of the fuse are welded on the connection member (11), the connection member (11) is welded on an end cap (9) in a manner of point welding, the star-type framework (5) is arranged in the inner cavity of the porcelain tube (6), and a gap between the star-type framework (5) and the porcelain tube (6) is filled with quartz sand (7). The utility model aims at providing the high voltage current limiting fuse with a rolling structure, which is good in sealing performance and moisture resistance, and excellent in arc extinguishing performance.
Description
Technical field
The utility model relates to the circuit fuse field, relates in particular to a kind of rolling structure high-voltage and current-limitation fuse.
Background technology
High-voltage and current-limitation fuse is a kind of high voltage protective electrical equipment, and it is used for protecting electric equipments such as ultra-high-tension power transmission line, voltage transformer, voltage transformer to avoid transshipping and the infringement of short circuit current.
Fuse has more than 100 year history, just is used widely in American-European countries as far back as 18 th century later.The development of China high-tension fuse is from after liberation under the support of the Soviet Union, at some electroceramics factory faces production being arranged, and the later stage, high-tension fuse was substituted by primary cut-out gradually because new product development and manufacturing technology are paid little attention to.Up to the beginning of the eighties, high-pressure vacuum contactor is used widely, and is badly in need of the supporting of high-voltage and current-limitation fuse, just introduces a complete set of high-voltage and current-limitation fuse manufacturing technology from Britain, and begins to develop high-voltage and current-limitation fuse, and the history in more than 20 year is arranged so far.
The production of present domestic high-voltage and current-limitation fuse mainly is the production base, Xi'an of core with Xian Fuses Factory; It is domestic because developing history is shorter; In the not development basically of product structure, performance, production technology; And the user through for many years uses feedback, and is not enough below the high-voltage and current-limitation fuse of domestic production at present exists:
1, poor sealing, the inner moisture-sensitive of product.Cap and ceramic package are extrusion process in the domestic high-tension fuse, contact copper, and metal has the characteristic of expanding with heat and contract with cold, and earthenware does not but have; Under environmental impact, between earthenware and metal inner cap, have the slit, aqueous vapor is easy to enter product inside; The characteristic of fuse can be cut-off short circuit current, if the inner quartz sand of product makes moist, at big electric current through out-of-date moment of cut-offfing; Powerful arc energy adds the pressure of steam, is easy to blast, and electrical safety has serious hidden danger.
2, arc quenching effect is poor: the outer cap of contact contacts with the interior cap of contact and also is extrusion structure, and through out-of-date, the contact position is easy to generate electric arc at big electric current, and this contact position does not have quartz sand, causes arcing easily, influences electrical safety.
The utility model content
The purpose of the utility model provides a kind of good airproof performance, and product is moisture-sensitive and the rolling structure high-voltage and current-limitation fuse that improves arc extinction performance not.
For overcoming the above problems the technical scheme that the utility model adopts: a kind of rolling structure high-voltage and current-limitation fuse, it comprises envelope porcelain tube (6), striker (12), resistance wire (10) and fuse (8); It is characterized in that: capping I (1) is connected with end cap I (3), and end cap I (3) is connected with an end of porcelain tube (6), and porcelain tube (6) other end connects end cap II (9); End cap II (9) is connected with capping II (13), and capping II (13) is connected with striker (12), and striker (12) is connected with resistance wire (10), the other end connector (11) of resistance wire (10); Fuse (8) is wrapped on the star-like skeleton (5), and two-end-point is welded on the connector (11), and connector (11) point is welded on the end cap (9); Star-like skeleton (5) places the inner chamber of porcelain tube (6).
Described capping I (1) is provided with silicon rubber loop (2) with end cap I (3) junction.
Described end cap I (3) is provided with sealing ring (4) with porcelain tube (6) junction.
Described end cap I (3) is connected with connector (11) respectively with capping II (13).
Space between said star-like skeleton (5) and the porcelain tube (6) is filled with quartz sand (7), and fills up the space between porcelain tube (6) and end cap I (3) and the end cap II (9).
The beneficial effect of the utility model: the good airproof performance of the utility model, product be moisture-sensitive and raising arc extinction performance not; Reduce the generation of electricity consumption customer security incident, ensure the life-span of power consumption equipment.
Description of drawings
Fig. 1 is the installation diagram of the utility model.
Capping I in the drawings, 1; 2, silicon rubber loop; 3, end cap I; 4, sealing ring; 5, star-like skeleton; 6, porcelain tube; 7, quartz sand; 8, fuse; 9, end cap II; 10, resistance wire; 11, connector; 12, striker; 13, capping II.
Embodiment
With regard to accompanying drawing the utility model is described further below, to help understanding the utility model content.
As shown in Figure 1, the assembly relation of the utility model is: capping I 1 is connected with end cap I 3, and end cap I 3 is connected with an end of porcelain tube 6, and porcelain tube 6 other ends connect end cap II 9; End cap II 9 is connected with capping II 13, and capping II 13 is connected with striker 12, and striker 12 is connected with resistance wire 10, the other end connector 11 of resistance wire 10; Fuse 8 is wrapped on the star-like skeleton 5, and two-end-point is welded on the connector 11, and 11 of connectors are welded on the end cap 9; Star-like skeleton 5 places the inner chamber of porcelain tube 6, and the space between star-like skeleton 5 and the porcelain tube 6 is filled with quartz sand 7, and fills up the space between porcelain tube 6 and end cap I 3 and the end cap II 9.
Described capping I 1 is provided with silicon rubber loop 2 with end cap I 3 junctions.Described end cap I 3 is provided with sealing ring 4 with porcelain tube 6 junctions.Described end cap I 3 is connected with connector 11 respectively with capping II 13.
As shown in Figure 1; The operation principle of the utility model in the concrete course of work: end cap I 3 has sealing ring 4 with end cap II 9 with porcelain tube 6 end places; Manufacturing process adopts rolling technology; Let sealing ring 4 that strain takes place, end cap I 3 is close on the porcelain tube 6 by roll extrusion with end cap II 9, so reaches sealing function.When short circuit current appearred in the electric current instability in the circuit, short circuit current was through end cap II 9, when connector 11 arrives the narrow neck place of fuse 8, because current density is very big here, fuse 8 is heating rapidly, and finally fusing, cuts off the electric current purpose thereby reach.
More than the rolling structure high-voltage and current-limitation fuse that the utility model provided has been carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (5)
1. rolling structure high-voltage and current-limitation fuse, it comprises envelope porcelain tube (6), striker (12), resistance wire (10) and fuse (8); It is characterized in that: capping I (1) is connected with end cap I (3), and end cap I (3) is connected with an end of porcelain tube (6), and porcelain tube (6) other end connects end cap II (9); End cap II (9) is connected with capping II (13), and capping II (13) is connected with striker (12), and striker (12) is connected with resistance wire (10), the other end of resistance wire (10)
Connector (11)Fuse (8) is wrapped on the star-like skeleton (5), and two-end-point is welded in
On the connector (11),Connector (11) point is welded on the end cap (9); Star-like skeleton (5) places the inner chamber of porcelain tube (6).
2. rolling structure high-voltage and current-limitation fuse according to claim 1 is characterized in that described capping I (1) and end cap I (3) junction are provided with silicon rubber loop (2).
3. rolling structure high-voltage and current-limitation fuse according to claim 1 is characterized in that described end cap I (3) and porcelain tube (6) junction are provided with sealing ring (4).
4. rolling structure high-voltage and current-limitation fuse according to claim 1 is characterized in that described end cap I (3) and capping II (13) are connected with connector (11) respectively.
5. rolling structure high-voltage and current-limitation fuse according to claim 1; It is characterized in that the space between said star-like skeleton (5) and the porcelain tube (6) is filled with quartz sand (7), and fill up the space between porcelain tube (6) and end cap I (3) and the end cap II (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220032288 CN202585300U (en) | 2012-02-02 | 2012-02-02 | High voltage current limiting fuse with rolling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220032288 CN202585300U (en) | 2012-02-02 | 2012-02-02 | High voltage current limiting fuse with rolling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585300U true CN202585300U (en) | 2012-12-05 |
Family
ID=47254685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220032288 Expired - Fee Related CN202585300U (en) | 2012-02-02 | 2012-02-02 | High voltage current limiting fuse with rolling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943433A (en) * | 2014-04-29 | 2014-07-23 | 昆山达功电子有限公司 | High voltage fuse |
| CN108766854A (en) * | 2018-06-04 | 2018-11-06 | 佛山市同鑫智能装备科技有限公司 | A kind of processing technology of the fusible link insulating base of energy-saving safe |
| CN114899061A (en) * | 2022-05-17 | 2022-08-12 | 扬州森源电气有限公司 | Multi-stage fuse with high breaking capacity |
-
2012
- 2012-02-02 CN CN 201220032288 patent/CN202585300U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943433A (en) * | 2014-04-29 | 2014-07-23 | 昆山达功电子有限公司 | High voltage fuse |
| CN103943433B (en) * | 2014-04-29 | 2016-03-09 | 昆山达功电子有限公司 | A kind of high-tension fuse |
| CN108766854A (en) * | 2018-06-04 | 2018-11-06 | 佛山市同鑫智能装备科技有限公司 | A kind of processing technology of the fusible link insulating base of energy-saving safe |
| CN114899061A (en) * | 2022-05-17 | 2022-08-12 | 扬州森源电气有限公司 | Multi-stage fuse with high breaking capacity |
| CN114899061B (en) * | 2022-05-17 | 2023-08-11 | 中山市千福好太太电器实业有限公司 | Multistage fuse with high breaking capacity |
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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: 20121205 Termination date: 20180202 |