CN220526857U - Arc-proof high-voltage drop-out fuse - Google Patents
Arc-proof high-voltage drop-out fuse Download PDFInfo
- Publication number
- CN220526857U CN220526857U CN202321852558.3U CN202321852558U CN220526857U CN 220526857 U CN220526857 U CN 220526857U CN 202321852558 U CN202321852558 U CN 202321852558U CN 220526857 U CN220526857 U CN 220526857U
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- Prior art keywords
- fuse
- contact assembly
- arc
- voltage drop
- storage battery
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- 239000012212 insulator Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000001629 suppression Effects 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model discloses an arc-proof high-voltage drop-out fuse, belonging to the technical field of arc suppression devices; an arc-proof high-voltage drop-out fuse comprises a fuse tube, an upper contact assembly arranged at the upper end of the fuse tube, a lower contact assembly arranged at the lower end of the fuse tube and an operating ring arranged at the upper end of the fuse tube, wherein an insulator is connected between the upper contact assembly and the lower contact assembly; the fuse comprises a reminding module; the reminding module comprises a force sensor, a fault indicator lamp, a solar panel, a connecting rod, a spring, a control unit and a storage battery; after the fuse is disconnected, the fault prompting lamp flashes, so that patrol personnel are obviously reminded of finding out the faulty fuse, and the fuse is replaced in time, so that the safety of a power grid is improved.
Description
Technical Field
The utility model belongs to the technical field of arc suppression devices, and particularly relates to an arc-proof high-voltage drop-out fuse.
Background
The drop-out fuse is a most common short-circuit protection switch for a 10KV distribution line branch line and a distribution transformer, has the characteristics of economy, convenience in operation, strong adaptability to outdoor environments and the like, and can effectively reduce the power failure range when being arranged on the 10KV distribution line branch line.
Drop-out fuses are usually installed on higher high-voltage distribution lines, existing fuses lack reminding functions, and the failed fuses are easy to be hidden due to the fact that the positions of the existing fuses are limited, so that patrol personnel cannot easily find the failed fuses, the power problems are not timely processed, and potential safety hazards are easy to be caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an arc-proof high-voltage drop-out fuse, which can realize that a prompt lamp flashes after the fuse is disconnected, obviously remind patrol personnel of finding out the failed fuse, and timely replace the failed fuse, thereby improving the safety of a power grid.
The utility model relates to an arc-proof high-voltage drop-out fuse which comprises a fuse tube, an upper contact assembly arranged at the upper end of the fuse tube, a lower contact assembly arranged at the lower end of the fuse tube and an operating ring arranged at the upper end of the fuse tube, wherein an insulator is connected between the upper contact assembly and the lower contact assembly.
The fuse includes a reminder module.
The reminding module comprises a force sensor, a fault indicator lamp, a solar panel, a connecting rod, a spring, a control unit and a storage battery.
The connecting rod is fixedly arranged on one side of the lower contact assembly and is rotationally connected with the lower contact assembly.
The spring is arranged on the upper side of the lower contact assembly, and the spring and the connecting rod are connected with each other.
The force sensor is connected with the spring and is used for detecting the stress condition of the spring.
The control unit is arranged in the fault indicator lamp and is electrically connected with the force sensor, the fault indicator lamp and the storage battery.
The solar panel is fixedly arranged on the upper side of the lower contact assembly, and is electrically connected with the storage battery and used for supplying power to the storage battery.
The storage battery is respectively and electrically connected with the force sensor and the fault indicator lamp to provide power supply.
The fault indicator light has a continuous flashing function.
As a further improvement of the utility model, an upper wiring terminal is fixedly arranged on the upper side of the upper contact assembly, and the upper wiring terminal is used for connecting wires.
As a further improvement of the utility model, the lower side of the lower contact assembly is fixedly provided with a lower wiring terminal for connecting the electric wire.
As a further development of the utility model, the operating ring is fixedly arranged on the side of the fuse tube adjacent to the upper contact assembly.
As a further improvement of the utility model, the outside of the fuse tube is also provided with an ultraviolet-proof coating.
As a further improvement of the present utility model, a composite silicone rubber insulator is used as the insulator.
As a further development of the utility model, the fuse tube is a high-voltage fast fuse tube.
As a further development of the utility model, the force sensor, the fault indicator, the solar panel and the accumulator form a circuit.
Compared with the prior art, the utility model has the beneficial effects that:
1. the fuse sets up reminds the module, and the back is disconnected to the fuse, and through the continuous scintillation of trouble warning light, the fuse of warning patrol personnel discovery trouble is showing, in time changes it, improves electric wire netting safety.
2. The reminding module is provided with the solar panel, solar energy is utilized to supply power to the storage battery during daytime, the endurance time of the reminding module is improved, solar energy is utilized to clean energy, resources are saved, and environmental protection is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a reminding module according to the present utility model;
FIG. 3 is a schematic view of the spring, force sensor and linkage of the present utility model.
The reference numerals in the figures illustrate: fuse tube 1, upper contact assembly 2, lower contact assembly 3, operating ring 4, insulator 5, force sensor 6, fault indicator 7, solar panel 8, connecting rod 9, spring 10, battery 11, upper binding post 12, lower binding post 13, upper wire holder 14, lower wire holder 15.
Detailed Description
First embodiment: referring to fig. 1-3, an arc-proof high voltage drop-out fuse includes a fuse tube 1, an upper contact assembly 2 disposed at an upper end of the fuse tube 1, a lower contact assembly 3 disposed at a lower end of the fuse tube 1, an operating ring 4 disposed at an upper end of the fuse tube 1, and a reminding module.
The upper end of the fuse tube 1 is fixedly connected with the lower end of the upper contact assembly 2, and the lower end of the fuse tube 1 is fixedly connected with the upper end of the lower contact assembly 3.
The fuse tube 1 is a high voltage fast fuse tube. The outside of the fuse tube 1 is also provided with an ultraviolet-proof coating.
The upper end of the upper contact assembly 2 is provided with an upper wiring terminal 12, the upper end of the upper contact assembly 2 is fixedly connected with the lower end of the upper wiring terminal 12, and the upper wiring terminal 12 is used for connecting wires.
The operating ring 4 is fixedly arranged on the periphery of the fuse tube 1 on the side close to the upper contact assembly 2.
The left end of the lower contact assembly 3 is provided with a lower wiring terminal 13, the left end of the lower contact assembly 3 is fixedly connected with the right end of the lower wiring terminal 13, and the lower wiring terminal 13 is used for connecting wires.
An insulator 5 is connected between the upper contact assembly 2 and the lower contact assembly 3, and the insulator 5 is a composite silicon rubber insulator.
The upper end of the insulator 5 is provided with an upper wiring seat 14, the lower end of the upper wiring seat 14 is fixedly connected with the upper end of the insulator 5, and the right end of the upper wiring seat 14 is fixedly connected with the left end of the upper contact assembly 2.
The insulator 5 lower extreme is provided with down the wiring seat 15, and lower wiring seat 15 upper end and insulator 5 lower extreme fixed connection, lower wiring seat 15 right-hand member and lower contact assembly 3 left end fixed connection.
The reminding module is fixedly arranged on the upper side of the lower contact assembly 3 and comprises a force sensor 6, a fault indicator 7, a solar panel 8, a connecting rod 9, a spring 10, a control unit and a storage battery 11.
The force sensor 6 is fixedly connected with one end of the spring 10, which is close to the storage battery 11, the force sensor 6 is electrically connected with the control unit, and the force sensor 6 is used for detecting the stress condition of the spring 10.
The fault indicator lamp 7 is arranged on the right side of the storage battery 11, the fault indicator lamp 7 is fixedly connected with the upper side of the lower contact assembly 3, the fault indicator lamp 7 is electrically connected with the control unit, and the fault indicator lamp 7 can flash continuously.
The solar panel 8 is fixedly arranged on the upper side of the storage battery 11, the solar panel 8 is electrically connected with the storage battery 11, and the solar panel 8 can provide electric energy for the storage battery 11.
The link plate 9 is arranged on the outer side of the lower contact assembly 3, the lower end of the link plate 9 is rotationally connected with the outer side of the lower contact assembly 3, the upper end of the link plate 9 is fixedly connected with the lower end of the fuse tube 1, and the link plate 9 can rotate around the joint of the link plate 9 and the lower contact assembly 3 as the center.
The upper end of the spring 10 is fixedly connected with the inner side of the lower end of the connecting plate 9, and the lower end of the spring 10 is fixedly connected with the left side of the storage battery 11.
The control unit is arranged inside the fault indicator 7.
The storage battery 11 is arranged on the upper side of the upper contact assembly 3, the lower end of the storage battery 11 is fixedly connected with the upper end of the upper contact assembly 3, and the force sensor 6, the fault indicator 7, the solar panel 8, the control unit and the storage battery 11 form a loop.
Working principle:
the moving contacts at two ends of the fuse tube are tied by the fuse, when short-circuit current is blown by the fuse, an electric arc is generated, a large amount of gas is generated by the steel paper tube of the fuse tube lining under the action of the electric arc, the upper end of the fuse tube is sealed, and the gas is sprayed out to the lower end to blow out the electric arc. Because the fuse is fused, the upper and lower moving contacts of the fuse tube lose the fastening force of the fuse, and under the action of the gravity of the fuse tube and the spring pieces of the upper and lower fixed contacts, the fuse tube drops rapidly, so that a circuit is disconnected, and a fault section line is cut off.
After the fuse is disconnected, the fuse tube falls downwards, the fuse tube drives the baffle of the lower contact assembly to rotate, the spring fixedly connected with the baffle is lengthened, the force sensor on the spring detects the stress change of the spring and sends a signal to the control unit electrically connected with the force sensor, the control unit controls the fault indicator lamp electrically connected with the control unit to continuously flash, the prompt lamp flashes, and patrol personnel are obviously reminded of finding out the fuse with faults.
The solar panel receives solar energy in daytime and stores electric energy to the storage battery, and the storage battery provides electric energy for the force sensor, the fault indicator lamp and the control unit which are electrically connected with the storage battery.
Claims (8)
1. The utility model provides an arc-proof formula high voltage drop-out fuse, includes fuse tube (1), sets up upper contact subassembly (2) in fuse tube (1) upper end, sets up lower contact subassembly (3) and operating ring (4) of setting in fuse tube (1) upper end in fuse tube (1) lower extreme, is connected with insulator (5) between upper contact subassembly (2), lower contact subassembly (3), its characterized in that: the fuse comprises a reminding module;
the reminding module is arranged on the upper side of the lower contact assembly (3); the reminding module comprises a force sensor (6), a fault indicator lamp (7), a solar panel (8), a connecting rod (9), a spring (10), a control unit and a storage battery (11);
the connecting rod (9) is fixedly arranged on one side of the lower contact assembly (3) and is rotationally connected with the lower contact assembly (3);
the spring (10) is arranged on the upper side of the lower contact assembly (3), and the spring (10) and the connecting rod (9) are connected with each other;
the force sensor (6) is connected with the spring (10) and is used for detecting the stress condition of the spring;
the control unit is arranged in the fault indicator lamp (7) and is electrically connected with the force sensor (6), the fault indicator lamp (7) and the storage battery (11);
the solar panel (8) is fixedly arranged on the upper side of the lower contact assembly (3), and the solar panel (8) is electrically connected with the storage battery (11) and is used for supplying power to the storage battery (11);
the storage battery (11) is respectively and electrically connected with the control unit, the force sensor (6) and the fault indicator lamp (7) to provide power supply;
the fault indicator lamp (7) has a continuous flashing function.
2. An arc-protection high voltage drop-out fuse according to claim 1, wherein: an upper wiring terminal (12) is fixedly arranged on the upper side of the upper contact assembly (2), and the upper wiring terminal (12) is used for connecting wires.
3. An arc-protection high voltage drop-out fuse according to claim 1, wherein: the lower side of the lower contact assembly (3) is fixedly provided with a lower wiring terminal (13), and the lower wiring terminal (13) is used for connecting wires.
4. An arc-protection high voltage drop-out fuse according to claim 1, wherein: the operating ring (4) is fixedly arranged on one side of the fuse tube (1) close to the upper contact assembly (2).
5. An arc-protection high voltage drop-out fuse according to claim 1, wherein: an ultraviolet-proof coating is also arranged on the outer side of the fuse tube (1).
6. An arc-protection high voltage drop-out fuse according to claim 1, wherein: the insulator (5) is a composite silicon rubber insulator.
7. An arc-protection high voltage drop-out fuse according to claim 1, wherein: the fuse tube (1) is a high-voltage fast fuse tube.
8. An arc-protection high voltage drop-out fuse according to claim 1, wherein: the force sensor (6), the fault indicator lamp (7), the solar panel (8) and the storage battery (11) form a loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321852558.3U CN220526857U (en) | 2023-07-13 | 2023-07-13 | Arc-proof high-voltage drop-out fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321852558.3U CN220526857U (en) | 2023-07-13 | 2023-07-13 | Arc-proof high-voltage drop-out fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220526857U true CN220526857U (en) | 2024-02-23 |
Family
ID=89925000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321852558.3U Active CN220526857U (en) | 2023-07-13 | 2023-07-13 | Arc-proof high-voltage drop-out fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220526857U (en) |
-
2023
- 2023-07-13 CN CN202321852558.3U patent/CN220526857U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |