CN216563002U - High-voltage drop-out fuse - Google Patents
High-voltage drop-out fuse Download PDFInfo
- Publication number
- CN216563002U CN216563002U CN202121499524.1U CN202121499524U CN216563002U CN 216563002 U CN216563002 U CN 216563002U CN 202121499524 U CN202121499524 U CN 202121499524U CN 216563002 U CN216563002 U CN 216563002U
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- Prior art keywords
- fuse
- voltage drop
- out fuse
- novel alloy
- alloy lead
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- 239000000956 alloy Substances 0.000 claims abstract description 38
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000002788 crimping Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 238000005260 corrosion Methods 0.000 claims abstract description 12
- 239000000155 melt Substances 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- 238000010791 quenching Methods 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims 3
- 239000011247 coating layer Substances 0.000 claims 1
- 230000001012 protector Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- 230000003064 anti-oxidating effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- -1 sealed Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A high-voltage drop-out fuse is characterized in that: the high-voltage drop-out fuse wire comprises a button, a coating material layer, an arc quenching paper piece, a crimping sleeve, a melt and a novel alloy lead; wherein: an arc quenching paper piece is attached to the outer surface of the melt and is reliably connected with the novel alloy lead through a crimping sleeve; the surface of the novel alloy lead is brushed with a coating material layer, and two ends of the novel alloy lead are provided with buttons. The utility model has the advantages that: the problem that the rain drop-out fuse frequently falls off a pipe due to moisture and mildew is effectively solved, the mechanical strength of the fuse is enhanced, the oxidation resistance and the corrosion resistance of the fuse are enhanced, and the operation reliability of the high-voltage drop-out fuse is enhanced. The high-voltage drop-out fuse protector has the advantages of simple construction, durability, no influence on overload and short-circuit protection of the high-voltage drop-out fuse protector, and no influence on opening and closing operations of the high-voltage drop-out fuse protector. The method is applied to field work, and if the effect is good, the method is popularized in the profession.
Description
Technical Field
The utility model relates to a fuse wire of a fuse, in particular to a high-voltage drop-out fuse wire of a fuse.
Background
In an electric power system, a 220kV transformer substation is configured into two station transformers, wherein one station transformer is a special station transformer connected with a reliable power supply outside the station, and the station transformer is mainly used for standby. The primary side of the transformer for the standby station widely adopts a 66kV high-voltage drop-out fuse for protection and equipment switching operation. In recent years, with the operation of a high-voltage drop-out fuse, the fuse is found to be built in a heavily polluted area, a coastal area and a transformer substation close to a paddy field, and because a standby station is used for a long time without load and almost without current heat effect, the fuse is blown off due to the fact that water enters a fuse tube and is affected with damp, and the tube dropping fault is caused to occur frequently. Particularly in rainy season, the fuse wire of the solar energy collector can be even more seriously damaged. The drop-out fuse frequently drops off the tube, which not only seriously affects the safety and stable application of the internal transformer and the total station alternating current power supply, but also increases the workload of the operation and maintenance personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel high-voltage drop-out fuse wire, which is developed by adding a novel alloy material into a lead part of the fuse wire, so that the current capacity can be improved, and the novel high-voltage drop-out fuse wire also has the effects of oxidation resistance, corrosion resistance and mechanical strength increase. The lead wire of the fuse wire is subjected to anti-oxidation treatment, the outer surface of the lead wire part of the fuse wire is coated with a coating material which is water-repellent, sealed, flame-retardant, arc-resistant and excellent in electrical performance, and the conductivity is the same before and after treatment, so that the service life of the fuse wire is prolonged.
The utility model provides a high-voltage drop-out fuse wire, which is characterized in that: the high-voltage drop-out fuse comprises a button 1, a coating material layer 2, an arc quenching paper 3, a crimping sleeve 4, a melt 5 and a novel alloy lead 6;
wherein: the outer surface of the melt 5 is attached with an arc quenching paper 3 and is reliably connected with a novel alloy lead 6 through a crimping sleeve 4; the surface of the novel alloy lead 6 is brushed with a coating material layer 2, and two ends of the novel alloy lead 6 are provided with buttons 1.
The arc extinguishing paper piece 3 is of a hollow tube structure, can extinguish electric arcs and prevent ignition.
The fuse element 5 is a low-melting-point alloy material element, and a lacing wire structure is arranged on the fuse element, so that the fuse element is prevented from being thermally extended under rated current, and the fuse cannot normally operate.
The novel alloy lead 6 is added with rare metals, and has the effects of corrosion resistance, oxidation resistance and the like.
The coating material layer 2 can effectively prevent the fuse from being oxidized and damped.
According to the characteristics of the appearance, the size and the like of the fuse wire of the high-voltage drop-out fuse, a novel alloy material is selected, the through-current capacity of the fuse wire is improved substantially, and the high-voltage drop-out fuse wire has the effects of oxidation resistance, corrosion resistance and mechanical strength increase. The problem of former lead wire mechanical shock resistance weak, the disconnected strand appears in the combined floodgate in the twinkling of an eye, the phenomenon of rust, fracture appear after avoiding disconnected strand face to be corroded is solved. The outer surface of the lead of the fuse wire is subjected to anti-oxidation treatment, so that the overall flexibility of the lead is ensured, the increase of the movement resistance is avoided, and the reliability and the stability of the operation of the fuse wire are ensured.
The pulling force given to the fuse wire by the fuse is 20-30N, and the force is not influenced by the closing operation force of the fuse. The fuse should withstand a pull of not less than 50N without any mechanical damage. The length of the fuse wire should meet the fuse wire installation requirements of the fuse.
The utility model has the advantages that:
the high-voltage drop-out fuse wire provided by the utility model effectively solves the problem that a rain drop-out fuse frequently drops off a pipe due to moisture and mildew, enhances the mechanical strength of the fuse wire, enhances the oxidation resistance and corrosion resistance of the fuse wire, and enhances the operation reliability of the high-voltage drop-out fuse wire. The high-voltage drop-out fuse protector is simple in construction and durable, does not affect overload and short-circuit protection of the high-voltage drop-out fuse protector, and does not affect on opening and closing operations of the high-voltage drop-out fuse protector. The method is applied to field work, and if the effect is good, the method is popularized in the profession.
Drawings
The utility model is described in further detail below with reference to the following figures and embodiments:
fig. 1 is a schematic block diagram of a high-voltage drop-out fuse structure.
Detailed Description
Example 1
A high-voltage drop-out fuse is characterized in that: the high-voltage drop-out fuse comprises a button 1, a coating material layer 2, an arc quenching paper 3, a crimping sleeve 4, a melt 5 and a novel alloy lead 6; wherein: the outer surface of the melt 5 is attached with an arc quenching paper 3 and is reliably connected with a novel alloy lead 6 through a crimping sleeve 4; the surface of the novel alloy lead 6 is brushed with a coating material layer 2, and two ends of the novel alloy lead 6 are provided with buttons 1.
The arc extinguishing paper piece 3 is of a hollow tube structure, can extinguish electric arcs and prevent ignition.
The fuse element 5 is a low-melting-point alloy material element, and a lacing wire structure is arranged on the fuse element, so that the fuse element is prevented from being thermally extended under rated current, and the fuse cannot normally operate.
The novel alloy lead 6 is added with rare metals, and has the effects of corrosion resistance, oxidation resistance and the like.
The coating material layer 2 can effectively prevent the fuse from being oxidized and damped.
According to the characteristics of the appearance, the size and the like of the fuse wire of the high-voltage drop-out fuse, a novel alloy material is selected, the through-current capacity of the fuse wire is improved substantially, and the high-voltage drop-out fuse wire has the effects of oxidation resistance, corrosion resistance and mechanical strength increase. The problem of former lead wire mechanical shock resistance weak, the disconnected strand appears in the combined floodgate in the twinkling of an eye, the phenomenon of rust, fracture appear after avoiding disconnected strand face to be corroded is solved. The outer surface of the lead of the fuse wire is subjected to anti-oxidation treatment, so that the overall flexibility of the lead is ensured, the increase of the movement resistance is avoided, and the reliability and the stability of the operation of the fuse wire are ensured.
The pulling force given to the fuse wire by the fuse is 20-30N, and the force is not influenced by the closing operation force of the fuse. The fuse should withstand a pull of not less than 50N without any mechanical damage. The length of the fuse wire should meet the fuse wire installation requirements of the fuse.
Example 2
A high-voltage drop-out fuse is characterized in that: the high-voltage drop-out fuse comprises a button 1, a coating material layer 2, an arc quenching paper 3, a crimping sleeve 4, a melt 5 and a novel alloy lead 6;
wherein: the outer surface of the melt 5 is attached with an arc quenching paper 3 and is reliably connected with a novel alloy lead 6 through a crimping sleeve 4; the surface of the novel alloy lead 6 is brushed with a coating material layer 2, and two ends of the novel alloy lead 6 are provided with buttons 1.
The arc extinguishing paper piece 3 is of a hollow tube structure, can extinguish electric arcs and prevent ignition.
The novel alloy lead 6 is added with rare metals, and has the effects of corrosion resistance, oxidation resistance and the like.
The coating material layer 2 can effectively prevent the fuse from being oxidized and damped.
According to the characteristics of the appearance, the size and the like of the fuse wire of the high-voltage drop-out fuse, a novel alloy material is selected, the through-current capacity of the fuse wire is improved substantially, and the high-voltage drop-out fuse wire has the effects of oxidation resistance, corrosion resistance and mechanical strength increase. The problem of former lead wire mechanical shock resistance weak, the disconnected strand appears in the combined floodgate in the twinkling of an eye, the phenomenon of rust, fracture appear after avoiding disconnected strand face to be corroded is solved. The outer surface of the lead of the fuse wire is subjected to anti-oxidation treatment, so that the overall flexibility of the lead is ensured, the increase of the movement resistance is avoided, and the reliability and the stability of the operation of the fuse wire are ensured.
The pulling force given to the fuse wire by the fuse is 20-30N, and the force is not influenced by the closing operation force of the fuse. The fuse should withstand a pull of not less than 50N without any mechanical damage. The length of the fuse wire should meet the fuse wire installation requirements of the fuse.
Example 3
A high-voltage drop-out fuse is characterized in that: the high-voltage drop-out fuse comprises a button 1, a coating material layer 2, an arc quenching paper 3, a crimping sleeve 4, a melt 5 and a novel alloy lead 6; wherein: the outer surface of the melt 5 is attached with an arc quenching paper 3 and is reliably connected with a novel alloy lead 6 through a crimping sleeve 4; the surface of the novel alloy lead 6 is brushed with a coating material layer 2, and two ends of the novel alloy lead 6 are provided with buttons 1.
The fuse element 5 is a low-melting-point alloy material element, and a lacing wire structure is arranged on the fuse element, so that the fuse element is prevented from being thermally extended under rated current, and the fuse cannot normally operate.
The novel alloy lead 6 is added with rare metals, and has the effects of corrosion resistance, oxidation resistance and the like.
The coating material layer 2 can effectively prevent the fuse from being oxidized and damped.
According to the characteristics of the appearance, the size and the like of the fuse wire of the high-voltage drop-out fuse, a novel alloy material is selected, the through-current capacity of the fuse wire is improved substantially, and the high-voltage drop-out fuse wire has the effects of oxidation resistance, corrosion resistance and mechanical strength increase. The problem of former lead wire mechanical shock resistance weak, the disconnected strand appears in the combined floodgate in the twinkling of an eye, the phenomenon of rust, fracture appear after avoiding disconnected strand face to be corroded is solved. The outer surface of the lead of the fuse wire is subjected to anti-oxidation treatment, so that the overall flexibility of the lead is ensured, the increase of the movement resistance is avoided, and the reliability and the stability of the operation of the fuse wire are ensured.
The pulling force given to the fuse wire by the fuse is 20-30N, and the force is not influenced by the closing operation force of the fuse. The fuse should withstand a pull of not less than 50N without any mechanical damage. The length of the fuse wire should meet the fuse wire installation requirement of the fuse.
Claims (7)
1. A high-voltage drop-out fuse is characterized in that: the high-voltage drop-out fuse comprises a button (1), a coating material layer (2), an arc quenching paper (3), a crimping sleeve (4), a melt (5) and a novel alloy lead (6);
wherein: an arc quenching paper piece (3) is attached to the outer surface of the melt (5) and is reliably connected with the novel alloy lead (6) through a crimping sleeve (4); the surface of the novel alloy lead (6) is brushed with a coating material layer (2), and two ends of the novel alloy lead (6) are provided with buttons (1).
2. The high-voltage drop-out fuse of claim 1, wherein: the arc extinguishing paper piece (3) is of a hollow tube structure, can extinguish electric arcs and prevent ignition.
3. The high-voltage drop-out fuse of claim 1, wherein: the fuse element (5) is a low-melting-point alloy material element, and a lacing wire structure is arranged on the fuse element, so that the fuse element is prevented from being thermally extended under rated current, and the fuse element cannot normally operate.
4. The high-voltage drop-out fuse of claim 1, wherein: the section of the novel alloy lead (6) is of a circular filamentous structure, has rare metals, and has the effects of corrosion resistance and oxidation resistance.
5. The high-voltage drop-out fuse of claim 1, wherein: the coating material layer (2) is a closed coating layer, and can effectively prevent the fuse wire from being oxidized and damped.
6. The high-voltage drop-out fuse of claim 1, wherein: the number of the buttons (1) is 2.
7. The high-voltage drop-out fuse of claim 1, wherein: the number of the crimping sleeves (4) is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499524.1U CN216563002U (en) | 2021-06-29 | 2021-06-29 | High-voltage drop-out fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499524.1U CN216563002U (en) | 2021-06-29 | 2021-06-29 | High-voltage drop-out fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216563002U true CN216563002U (en) | 2022-05-17 |
Family
ID=81536651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121499524.1U Active CN216563002U (en) | 2021-06-29 | 2021-06-29 | High-voltage drop-out fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216563002U (en) |
-
2021
- 2021-06-29 CN CN202121499524.1U patent/CN216563002U/en active Active
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