CN218996644U

CN218996644U - Transformer fall-off safety device

Info

Publication number: CN218996644U
Application number: CN202222896004.5U
Authority: CN
Inventors: 顾向东
Original assignee: Anhui Ampere Electronics Co ltd
Current assignee: Anhui Ampere Electronics Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-09
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a transformer drop safety device, relates to the technical field of transformer drop safety, and aims to solve the problems that an existing drop switch is easy to damage a fuse tube due to drop force after dropping, is not beneficial to secondary use of a tube body, does not have an acousto-optic warning function and is not beneficial to reminding surrounding personnel of paying attention. The upper end and the lower end of the fuse tube are fixedly provided with installation castings, and the outer wall of one side of each installation casting is fixedly provided with a limit warning mechanism through a threaded installation piece; further comprises: the warning lamps are fixedly arranged in the limiting warning mechanisms through screws, a plurality of warning lamps are annularly arranged in the limiting warning mechanisms, transparent acrylic plates are fixedly arranged on the outer walls of the middle positions of the limiting warning mechanisms, lamp panels are fixedly arranged at the rear ends of the warning lamps, and the output ends of the lamp panels are electrically connected with the input ends of the warning lamps; and the vibration module is fixedly arranged at the middle position inside the limit warning mechanism.

Description

Transformer fall-off safety device

Technical Field

The utility model relates to the technical field of transformer drop insurance, in particular to a transformer drop insurance device.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the drop switch is a short-circuit protection switch. The method has the characteristics of economy, convenient operation, strong outdoor environment adaptability and the like, and is widely applied to one side of a 10kV/12KV distribution line and a distribution transformer for protecting and performing equipment switching operation;

the moving contacts at two ends of the drop switch are tied by a fuse wire (melt), and after the upper moving contact is pushed into the protruding part of the duckbill, the upper fixed contact made of phosphor copper sheets and the like is propped against the upper moving contact, so that the fuse wire tube is firmly clamped in the duckbill. When the short-circuit current is blown out through the fuse, an electric arc is generated, a large amount of gas is generated in 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 or fault equipment is cut off.

However, the existing drop switch is easy to damage a fuse tube due to drop force after dropping, is not beneficial to secondary use of a tube body, does not have an acousto-optic warning function, and is not beneficial to reminding surrounding personnel of paying attention; therefore, the existing requirements are not met, and a transformer drop-out safety device is provided.

Disclosure of Invention

The utility model aims to provide a transformer drop safety device, which solves the problems that the existing drop switch provided in the background art is easy to damage a fuse tube due to drop force after dropping, is not beneficial to secondary use of a tube body, does not have an acousto-optic warning function, and is not beneficial to reminding surrounding personnel of paying attention.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a transformer drop-out safety device comprising: the device comprises an insulator and a fuse tube, wherein an installation casting is fixedly arranged at the upper end and the lower end of the fuse tube, and a limit warning mechanism is fixedly arranged on the outer wall of one side of the installation casting through a threaded installation piece;

further comprises:

the warning lamps are fixedly arranged in the limiting warning mechanisms through screws, a plurality of warning lamps are annularly arranged in the limiting warning mechanisms, transparent acrylic plates are fixedly arranged on the outer walls of the middle positions of the limiting warning mechanisms, lamp panels are fixedly arranged at the rear ends of the warning lamps, and the output ends of the lamp panels are electrically connected with the input ends of the warning lamps;

the vibration module is fixedly arranged at the middle position inside the limiting warning mechanism, and the output end of the vibration module is electrically connected with the input end of the lamp panel.

Preferably, the switch cover is rotatably arranged above the limit warning mechanism through threads, the storage battery is fixedly arranged below the limit warning mechanism, and rubber sleeves are sleeved on the outer walls of the storage battery and the switch cover.

Preferably, damping rubber is adhered between the vibration module and the lamp panel, and a connecting channel for wiring connection is arranged on the outer wall of the damping rubber.

Preferably, one side at both ends all fixed mounting has the composition board about the insulator, and the upper end the one end fixed mounting of composition board has the rain-proof lid, the top fixed mounting of rain-proof lid has the inlet wire end, the opposite side fixed mounting of insulator has the mounting bracket.

Preferably, a galvanized steel hook is arranged on the outer wall of the installation casting at the upper end, and a pull ring is fixedly arranged on one side of the installation casting at the upper end.

Preferably, a first rotating mounting piece is fixedly mounted at one side of the mounting casting at the lower end, a second rotating mounting piece is fixedly mounted below the first rotating mounting piece, and a connecting piece is rotatably mounted between the first rotating mounting piece and the second rotating mounting piece through a rotating shaft.

Preferably, the lower end of the combined board is fixedly provided with a wire outlet end through a bolt.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the limiting warning mechanism is arranged on the outer side of the fuse tube to achieve the effects of limiting anti-collision and warning, when the fuse wire is fused, the vibration module in the limiting warning mechanism can detect vibration and inclination change after the fuse wire is rotated downwards to be fallen, the vibration module feeds back to the lamp panel through the wiring, a plurality of warning lamps at the lamp panel are lightened, the irradiation range of the warning lamps with annular structures can be increased, irradiation four corners are reduced, light irradiates outwards through the transparent acrylic panel, surrounding personnel can know that the transformer at the position is fused through observing the light, in addition, the limiting warning mechanism is arranged on the outer side of the fuse tube, the fuse tube can not be directly contacted with a transformer or other equipment in the rotating falling process, so that the effect of protecting the fuse tube can be achieved, and a subsequent maintainer only needs to replace the internal fuse wire, and the tube body of the fuse tube can be used subsequently.

2. The switch cover facilitates maintenance of internal parts by a user, the storage battery enables the inside to be provided with power supply, sensing detection and lighting operation can be carried out inside, the rubber sleeve is used for protecting two ends of the limiting warning mechanism, the volume of the two ends is larger than that of the middle of the limiting warning mechanism, the rubber sleeve can be enabled to contact equipment firstly when falling, the rubber sleeve is made of rubber materials and is provided with shock absorption and elasticity, impact force and vibration can be reduced, the protection effect is achieved, a connecting channel for connection is arranged on the outer wall of the shock absorption rubber, the impact force generated when falling can be reduced, and the internal shock module is safer.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a part of a limit warning mechanism according to the present utility model;

FIG. 3 is a schematic diagram of the internal structure of the limit warning mechanism of the present utility model;

FIG. 4 is a schematic view of a partial structure of a threaded fitting of the present utility model;

in the figure: 1. an insulator; 2. a mounting frame; 3. a combination board; 4. a rain cover; 5. a wire inlet end; 6. a fuse tube; 7. installing a casting; 8. galvanized steel hooks; 9. a first rotational mount; 10. a connecting piece; 11. a second rotary mount; 12. a wire outlet end; 13. a pull ring; 14. a threaded mounting; 15. a limit warning mechanism; 16. a transparent acrylic plate; 17. a warning light; 18. opening and closing the cover; 19. a storage battery; 20. a lamp panel; 21. a connection channel; 22. damping rubber; 23. a vibration module; 24. a rubber sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: a transformer drop-out safety device comprising: the insulator 1 and the fuse tube 6, the upper and lower ends of the fuse tube 6 are fixedly provided with mounting castings 7, and the outer wall of one side of each mounting casting 7 is fixedly provided with a limit warning mechanism 15 through a threaded mounting piece 14;

further comprises:

the warning lamps 17 are fixedly arranged in the limiting warning mechanisms 15 through screws, a plurality of warning lamps are annularly arranged in the warning lamps, transparent acrylic plates 16 are fixedly arranged on the outer walls of the middle positions of the limiting warning mechanisms 15, lamp panels 20 are fixedly arranged at the rear ends of the warning lamps 17, and the output ends of the lamp panels 20 are electrically connected with the input ends of the warning lamps 17;

the vibration module 23 is fixedly installed at a middle position inside the limit warning mechanism 15, and an output end of the vibration module 23 is electrically connected with an input end of the lamp panel 20, specifically, the type of the vibration module 23 is SW-420.

Referring to fig. 1 and 2, the switch cover 18 is rotatably mounted above the limit warning mechanism 15 through threads, the storage battery 19 is fixedly mounted below the limit warning mechanism 15, the storage battery 19 and the outer wall of the switch cover 18 are sleeved with the rubber sleeve 24, the switch cover 18 facilitates maintenance of internal parts by a user, the storage battery 19 enables internal power supply to be achieved, sensing detection and lighting operation can be conducted inside, the rubber sleeve 24 is used for protecting two ends of the limit warning mechanism 15, the volumes of the two ends are larger than the middle, and accordingly the rubber sleeve 24 can be brought into contact with equipment at first when falling, and the rubber sleeve 24 is made of rubber materials and has shock absorption and elasticity, so that impact force and vibration can be reduced, and a protection effect is achieved.

Referring to fig. 3, a shock absorbing rubber 22 is adhered between the shock absorbing module 23 and the lamp panel 20, a connecting channel 21 for connecting wires is arranged on the outer wall of the shock absorbing rubber 22, and the shock absorbing rubber 22 can reduce impact force generated when falling, so that the internal shock absorbing module 23 is safer, and the connecting channel 21 is convenient for a wire body to pass through.

Referring to fig. 1, a composition board 3 is fixedly installed on one side of the upper and lower ends of an insulator 1, a rain cover 4 is fixedly installed on one end of the upper composition board 3, a wire inlet end 5 is fixedly installed above the rain cover 4, a mounting frame 2 is fixedly installed on the other side of the insulator 1, and a fuse wire enters the rain cover 4 from the wire inlet end 5 and enters a fuse wire tube 6, penetrates out from the bottom and reaches a wire outlet end 12 to be fixed.

Referring to fig. 1, a galvanized steel hook 8 is installed on the outer wall of an upper end installation casting 7, a pull ring 13 is fixedly installed on one side of the upper end installation casting 7, and the galvanized steel hook 8 and the pull ring 13 are common accessories of a drop switch in the field, so that the details are not repeated.

Referring to fig. 1, a first rotating mounting member 9 is fixedly mounted on one side of a lower end mounting casting 7, a second rotating mounting member 11 is fixedly mounted below the first rotating mounting member 9, a connecting member 10 is rotatably mounted between the first rotating mounting member 9 and the second rotating mounting member 11 through a rotating shaft, and in the falling process, the first rotating mounting member 9 and the connecting member 10 rotate to enable the second rotating mounting member 11 to be driven, so that the fuse tube 6 rotates to fall.

Referring to fig. 1, the wire outlet end 12 is fixedly mounted under the lower end combined board 3 through bolts, and the stability and firmness of the wire outlet end 12 can be improved by the lower end combined board 3.

Working principle: when in use, the limiting warning mechanism 15 is arranged on the outer side of the fuse tube 6 to play a role in limiting anti-collision and warning, when the fuse wire is fused, the vibration module 23 in the limiting warning mechanism 15 can detect vibration and inclination change after the fuse tube 6 rotates downwards, the vibration module feeds back to the lamp panel 20 through wiring, a plurality of warning lamps 17 at the lamp panel 20 are lighted, the ring-shaped warning lamps 17 can be in an irradiation range improvement, irradiation four corners are reduced, light is irradiated outwards through the transparent acrylic plate 16, surrounding personnel can know that the transformer at the position is fused through observing the light, in addition, as the limiting warning mechanism 15 is arranged on the outer side of the fuse tube 6, the fuse tube 6 can not directly contact with the transformer or other equipment in the rotating falling process, thus the effect of protecting the fuse tube 6 can be achieved, and subsequent maintenance personnel only need to replace the internal fuse wire, the tube body of the fuse tube 6 is utilized later, the switch cover 18 is convenient for a user to overhaul internal parts, the storage battery 19 enables the internal part to be provided with power supply, the internal part can carry out sensing detection and lighting operation, the rubber sleeve 24 is used for protecting the two ends of the limiting and warning mechanism 15, the volumes of the two ends are larger than the middle, so that the rubber sleeve 24 can be brought into contact with equipment firstly when falling, the rubber sleeve 24 is made of rubber materials and has shock absorption and elasticity, so that the impact force and vibration can be reduced, the protection effect is achieved, the connecting channel 21 for wiring connection is arranged on the outer wall of the shock absorption rubber 22, the impact force generated when falling can be reduced by the shock absorption rubber 22, the internal shock module 23 is safer, the upper fuse is broken in the falling process, the first rotation mounting part 9 and the connecting part 10 rotate, the second rotation mounting part 11 is driven, the rotational drop operation is performed at the fuse tube 6.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The transformer drop safety device comprises an insulator (1) and a fuse tube (6), wherein installation castings (7) are fixedly installed at the upper end and the lower end of the fuse tube (6), and a limit warning mechanism (15) is fixedly installed on the outer wall of one side of each installation casting (7) through a threaded installation piece (14);

the method is characterized in that: further comprises:

the warning lamps (17) are fixedly arranged in the limiting warning mechanisms (15) through screws, a plurality of warning lamps are annularly arranged in the limiting warning mechanisms (15), transparent acrylic plates (16) are fixedly arranged on the outer walls of the middle positions of the limiting warning mechanisms (15), lamp panels (20) are fixedly arranged at the rear ends of the warning lamps (17), and the output ends of the lamp panels (20) are electrically connected with the input ends of the warning lamps (17);

the vibration module (23) is fixedly arranged at the middle position inside the limit warning mechanism (15), and the output end of the vibration module (23) is electrically connected with the input end of the lamp panel (20).

2. The transformer drop safety device according to claim 1, wherein: the upper part of the limit warning mechanism (15) is rotatably provided with a switch cover (18) through threads, a storage battery (19) is fixedly arranged below the limit warning mechanism (15), and rubber sleeves (24) are respectively sleeved on the storage battery (19) and the outer wall of the switch cover (18).

3. The transformer drop safety device according to claim 1, wherein: damping rubber (22) is adhered between the vibration module (23) and the lamp panel (20), and a connecting channel (21) for wiring connection is arranged on the outer wall of the damping rubber (22).

4. The transformer drop safety device according to claim 1, wherein: one side at both ends all fixed mounting has composite board (3) about insulator (1), the upper end one end fixed mounting of composite board (3) has rain-proof lid (4), the top fixed mounting of rain-proof lid (4) has inlet wire end (5), the opposite side fixed mounting of insulator (1) has mounting bracket (2).

5. The transformer drop safety device according to claim 4, wherein: the galvanized steel hook (8) is arranged on the outer wall of the installation casting (7) at the upper end, and the pull ring (13) is fixedly arranged on one side of the installation casting (7) at the upper end.

6. The transformer drop safety device according to claim 1, wherein: one side of the installation casting (7) at the lower end is fixedly provided with a first rotation installation piece (9), a second rotation installation piece (11) is fixedly arranged below the first rotation installation piece (9), and a connecting piece (10) is rotatably arranged between the first rotation installation piece (9) and the second rotation installation piece (11) through a rotating shaft.

7. The transformer drop safety device according to claim 4, wherein: the lower end of the combined board (3) is fixedly provided with a wire outlet end (12) through a bolt.