CN204632706U - A kind of water-cooled fast acting fuse in parallel - Google Patents
A kind of water-cooled fast acting fuse in parallel Download PDFInfo
- Publication number
- CN204632706U CN204632706U CN201520280323.0U CN201520280323U CN204632706U CN 204632706 U CN204632706 U CN 204632706U CN 201520280323 U CN201520280323 U CN 201520280323U CN 204632706 U CN204632706 U CN 204632706U
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- conductive
- melt
- fuse
- conductive plate
- cooling water
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Abstract
The utility model relates to electronic devices and components field, a kind of water-cooled fast acting fuse in parallel is provided, it comprises porcelain tube, conductive plate, melt, conductive connecting piece, quartz sand, cooling water pipe, two porcelain tubes are connected in parallel between two pieces of conductive plates, the two ends of melt are connected with two pieces of conductive connecting pieces respectively, conductive connecting piece is connected with inside conductive plate, between the gap of the region that porcelain tube and conductive plate surround, melt, be filled with quartz sand, and the outside of conductive plate is connected with cooling water pipe.The utility model current capacity reaches 9000A ~ 13000A, effectively reduces power consumption, shortens the switch off time of fuse and improves fuse blows speed; The utility model, under the effect of cooling water pipe, achieves rapid cooling, further increases electrical technology performance, the operating efficiency of fuse, effectively improves carborundum and to power the safety and reliability of electricity consumption of smelting equipment.
Description
Technical field
The utility model relates to electronic devices and components field, refers more particularly to a kind of water-cooled fast acting fuse in parallel.
Background technology
In recent years, China's carborundum industry is in fast-developing period, along with carborundum smelting equipment of powering uses the increasing considerably of power of transformer, rectifier, the technical indicator of the fast acting fuse of the rectifying tube protection in its rectifying device there has also been higher requirement, and the magnitude of current is increased to more than 1 Wan An; Capacity of decomposition improves 200kA-300kA by 100kA; Breaking capacity is less than 10ms etc.Due to this area traditional structure fast acting fuse product use in rectifier time, the general fuse two ends conductive plate that all adopts is drawn and is directly connected with copper bar, or one end connects busbar, the other end installs (electrical connection) on water-cooled bus-bar, and the heat that fuse power consumption produces is by porcelain tube surface and connect copper bar surface emissivity diffusion.There is heat radiation difficulty in the fuse of said structure, needs the fuse with 4 or more in parallel when reality uses, cause that the volume of device is large, electrical connection power consumption greatly, poor electrical performance.
Utility model content
The defect that the utility model exists for prior art, a kind of water-cooled fast acting fuse in parallel is provided, it comprises porcelain tube, conductive plate, melt, conductive connecting piece, quartz sand, cooling water pipe, two porcelain tubes are connected in parallel between two pieces of conductive plates, the two ends of melt are connected with two pieces of conductive connecting pieces respectively, conductive connecting piece is connected with inside conductive plate, between the gap of the region that porcelain tube and conductive plate surround, melt, be filled with quartz sand, and the outside of conductive plate is connected with cooling water pipe.
Further, cooling water pipe is two.
Further, the two ends of melt are connected for spot-welded connects with two pieces of conductive connecting pieces respectively; Conductive connecting piece be connected inside conductive plate for ashbury metal is welded to connect.
Further, the profile of porcelain tube is long × wide is 145mm ~ 155mm × 145mm ~ 155mm, and height is 37mm ~ 43mm.
Further, melt has diameter be the through hole of 1.3mm ~ 1.5mm, two through hole longitudinal pitch is 1.4mm ~ 1.7mm, and horizontal spacing is 6mm ~ 10mm.
The utility model compared with prior art, be connected in parallel owing to have employed porcelain tube, conductive plate welds the technical schemes such as cooling water pipe, current capacity of the present utility model is greatly improved, current capacity reaches 9000A ~ 13000A, effectively reduce power consumption, shorten the switch off time of fuse and improve fuse blows speed; Cooling effect of the present utility model have also been obtained great improvement under the cooling of two cooling water pipes simultaneously, the heat that fuse produces when fusing is except except the cooling naturally of himself, under the effect of cooling water pipe, achieve rapid cooling, further increase electrical technology performance and the operating efficiency of fuse, effectively improve carborundum to power the safety and reliability of electricity consumption of smelting equipment, further increase production efficiency.
Accompanying drawing explanation
Fig. 1 is that utility model master looks broken section structural representation;
Fig. 2 is plan structure schematic diagram of the present utility model;
Description of reference numerals: 1 porcelain tube, 2 conductive plates, 3 melts, 4 conductive connecting pieces, 5 quartz sands, 6 cooling water pipes.
Embodiment
The enforcement of the technical solution of the utility model is described in detail, so that those skilled in the art better understand below with reference to accompanying drawing.
As shown in accompanying drawing 1, accompanying drawing 2, this water-cooled fast acting fuse in parallel comprises porcelain tube 1, conductive plate 2, melt 3, conductive connecting piece 4, quartz sand 5, cooling water pipe 6, two porcelain tubes 1 are connected in parallel between two pieces of conductive plates 2, the two ends of melt 3 are connected with two pieces of conductive connecting pieces 4 respectively, conductive connecting piece 4 is connected with inside conductive plate 2, porcelain tube 1 and conductive plate 2-in-1 enclose region, melt 3 gap between be filled with quartz sand 5, the outside of conductive plate 2 is connected with cooling water pipe 6.Further, cooling water pipe 6 is two; During embody rule, be connected with cooling water source at the two ends of cooling water pipe 6, the heat produced by electric current by fuse is taken away by the cooling water of cooling water pipe, achieves rapid cooling, strengthen radiating effect, further increase electrical technology performance and the operating efficiency of fuse; The two ends of melt 3 are connected with two pieces of conductive connecting piece 4 spot-welded respectively; Inside conductive connecting piece 4 and conductive plate 2, ashbury metal is welded to connect; The profile of porcelain tube 1 is long × wide is 145mm ~ 155mm × 145mm ~ 155mm, and height is 37mm ~ 43mm; Melt 3 has diameter be the through hole of 1.3mm ~ 1.5mm, two through hole longitudinal pitch is 1.4mm ~ 1.7mm, and horizontal spacing is 6mm ~ 10mm.Two porcelain tube parallel connections, the current capacity of this fuse is made to reach 9000A ~ 13000A fast acting fuse (replacing original three 4300A or four 3300A parallel-connection structure), reach and increase porcelain tube current capacity, reduction power consumption, minimizing switch off time and accelerate the requirements such as fusing speed, further increase electrical technology performance and the operating efficiency of fuse, effectively improve carborundum and to power the safety and reliability of electricity consumption of smelting equipment.
Claims (5)
1. a water-cooled fast acting fuse in parallel, it is characterized in that it comprises porcelain tube (1), conductive plate (2), melt (3), conductive connecting piece (4), quartz sand (5), cooling water pipe (6), two porcelain tubes (1) are connected in parallel between two pieces of conductive plates (2), the two ends of melt (3) are connected with two pieces of conductive connecting pieces (4) respectively, conductive connecting piece (4) is connected with conductive plate (2) inner side, in the region that porcelain tube (1) and conductive plate (2) surround, quartz sand (5) is filled with between the gap of melt (3), the outside of conductive plate (2) is connected with cooling water pipe (6).
2. fast acting fuse as claimed in claim 1, is characterized in that cooling water pipe (6) is two.
3. fast acting fuse as claimed in claim 2, is characterized in that the two ends of melt (3) are connected for spot-welded connects with two pieces of conductive connecting pieces (4) respectively; Conductive connecting piece (4) is connected for ashbury metal is welded to connect with conductive plate (2) inner side.
4. fast acting fuse as claimed in claim 3, it is characterized in that the profile of porcelain tube (1) long × wide be 145mm ~ 155mm × 145mm ~ 155mm, height is 37mm ~ 43mm.
5. fast acting fuse as claimed in claim 4, it is characterized in that melt (3) has diameter to be the through hole of 1.3mm ~ 1.5mm, two through hole longitudinal pitch is 1.4mm ~ 1.7mm, and horizontal spacing is 6mm ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280323.0U CN204632706U (en) | 2015-05-04 | 2015-05-04 | A kind of water-cooled fast acting fuse in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280323.0U CN204632706U (en) | 2015-05-04 | 2015-05-04 | A kind of water-cooled fast acting fuse in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632706U true CN204632706U (en) | 2015-09-09 |
Family
ID=54051706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520280323.0U Expired - Fee Related CN204632706U (en) | 2015-05-04 | 2015-05-04 | A kind of water-cooled fast acting fuse in parallel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204632706U (en) |
-
2015
- 2015-05-04 CN CN201520280323.0U patent/CN204632706U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150909 Termination date: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |