CN219393260U - Four-station oil-immersed high-voltage load switch - Google Patents

Abstract

The utility model discloses a four-station oil-immersed high-voltage load switch, which comprises a frame body, wherein the frame body comprises a protective box, the surface of the protective box is connected with a screw hole plate, the inner side of the protective box is provided with a high-voltage switch main body, the surface of the high-voltage switch main body is connected with a cable, the inner side surface of the protective box is connected with a heat dissipation mechanism, the heat dissipation mechanism comprises a heat conduction pipe and a servo motor, the heat conduction pipe is connected to the inner side surface of the protective box, the bottom surface of the protective box is connected with a heat dissipation box, and the inner side bottom surface of the protective box is connected with a spring plate.

Description

Four-station oil-immersed high-voltage load switch

Technical Field

The utility model relates to the technical field of high-voltage load switches, in particular to a four-station oil-immersed high-voltage load switch.

Background

The high-voltage load switch is an electrical appliance with the function between that of a high-voltage breaker and a high-voltage isolating switch, and is often used in series connection with the high-voltage fuse; for controlling power transformers, high-voltage load switches have simple arc extinguishing devices, which are capable of switching on and off a certain load current and overload current, but which are not capable of switching off a short-circuit current, so that they are generally used in series with high-voltage fuses, by means of which short-circuit protection is performed.

1. When the traditional high-voltage load switch is used, certain heat can be generated, and when the internal temperature of the high-voltage load switch is too high, the circuit is easy to soften, so that short circuit is caused, even fire is caused, and the service life of the high-voltage load switch cannot be effectively guaranteed.

2. In the past, when high-voltage load switch was used, when high-voltage load switch's cable length overlength, stumbled the pedestrian easily, and lead to cable joint department to take place not hard up or drop when the cable was pulled, and the result of use of device can't obtain effectual guarantee.

Disclosure of Invention

The utility model aims to provide a four-station oil-immersed high-voltage load switch, which solves the problems that when the traditional device is used, the internal temperature of the high-voltage load switch is too high, the circuit is easy to soften to cause short circuit and even fire disaster is caused, and the cable joint is loose or falls off when the cable is too long.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quadruplex position oil-immersed high voltage load switch, includes the support body, the support body includes the protective housing, the surface connection of protective housing has the screw board, the inboard of protective housing is provided with the high voltage switch main part, the surface connection of high voltage switch main part has the cable, the surface inboard surface connection of protective housing has heat dissipation mechanism, heat dissipation mechanism includes heat pipe and servo motor, the heat pipe is connected at the inboard surface of protective housing, the bottom surface connection of protective housing has the heat dissipation case, the inboard bottom surface connection of protective housing has the spring board, the inboard surface connection of protective housing has the baffle, the surface fixedly connected with of spring board has the briquetting down, the gasbag has been placed on the surface of spring board, the inboard bottom surface connection of protective housing has the spring from reset switch, the surface connection of protective housing has wire harness mechanism, wire harness mechanism includes fixed column and fly leaf, the surface at the protective housing is connected to the fixed column.

As a preferable technical scheme of the utility model, the inner side surface of the heat radiation box is connected with a servo motor, the output end of the servo motor is connected with a rotary fan, and the spring self-resetting switch is electrically connected with the servo motor through an electric lead.

As a preferable technical scheme of the utility model, the heat conduction pipe is attached to the surface of the high-voltage switch main body, and the spring plates are symmetrically distributed on the inner side surface of the protective box in two groups.

As a preferable technical scheme of the utility model, the spring self-resetting switch is symmetrically distributed on the inner side surface of the protective box in two groups, and the servo motor is symmetrically distributed on the inner side surface of the radiating box in two groups.

As a preferable technical scheme of the utility model, the surface of the fixed column is connected with a tension spring, the surface of the movable plate is fixedly connected with a connecting rod, and the surface of the connecting rod is connected with an anti-slip pad.

As a preferable technical scheme of the utility model, the fixed columns are symmetrically distributed on the surface of the protective box in two groups, and the connecting rods are symmetrically distributed on the surface of the movable plate in two groups.

As a preferable technical scheme of the utility model, one end of the tension spring is welded on the surface of the movable plate, and the other end of the tension spring is welded on the surface of the fixed column.

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

1. through heat pipe, heat dissipation case, spring board, baffle, briquetting down, gasbag, spring are from the cooperation of reset switch, servo motor and rotatory fan, when the inboard temperature of guarantee device was too high, the gasbag took place to expand, and then makes rotatory fan take place rotary motion to dispel the heat to the device inboard, thereby avoid the inboard high temperature of device too high, and then effectively improve the life of high tension switch main part.

2. Through the cooperation of fixed column, extension spring, fly leaf, connecting rod and slipmat, the staff of being convenient for changes the position of connecting rod through the fly leaf, and then to the staff of being convenient for twines the cable on the surface of fixed column, and the rethread connecting rod is spacing to the cable after the winding, thereby avoids the hidden danger that the cable overlength brought, thereby effectively improves the result of use of device.

Drawings

FIG. 1 is a schematic view of a vertical structure of the present utility model;

FIG. 2 is a schematic view of the present utility model, partially in section, from the front of the protective housing of FIG. 1;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a frame body; 11. a protective box; 12. a screw plate; 13. a high voltage switch body; 14. a cable; 2. a heat dissipation mechanism; 21. a heat conduction pipe; 22. a heat radiation box; 23. a spring plate; 24. a partition plate; 25. pressing the block; 26. an air bag; 27. a spring self-resetting switch; 28. a servo motor; 29. a rotary fan; 3. a wire harness mechanism; 31. fixing the column; 32. a tension spring; 33. a movable plate; 34. a connecting rod; 35. an anti-slip mat.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a technical scheme of a four-station oil-immersed high-voltage load switch:

embodiment one:

according to the four-station oil-immersed high-voltage load switch shown in fig. 1 and 2, the four-station oil-immersed high-voltage load switch comprises a frame body 1, the frame body 1 comprises a protective box 11, the surface of the protective box 11 is connected with a screw hole plate 12, the inner side of the protective box 11 is provided with a high-voltage switch main body 13, the surface of the high-voltage switch main body 13 is connected with a cable 14, the inner side surface of the protective box 11 is connected with a heat dissipation mechanism 2, the heat dissipation mechanism 2 comprises a heat conduction pipe 21 and a servo motor 28, the heat conduction pipe 21 is connected with the inner side surface of the protective box 11, the bottom end surface of the protective box 11 is connected with a heat dissipation box 22, the inner side bottom end surface of the protective box 11 is connected with a spring plate 23, the inner side surface of the protective box 11 is connected with a partition plate 24, the surface of the spring plate 23 is fixedly connected with a pressing block 25, the surface of the spring plate 23 is provided with an air bag 26, the inner side bottom end surface of the protective box 11 is connected with a spring self-resetting switch 27, the surface of the protective box 11 is connected with a wire binding mechanism 3, the wire binding mechanism 3 comprises a fixing column 31 and a movable plate 33, the fixing column 31 is connected with the surface of the protective box 11, and the overlong problem of the cable 14 is avoided by winding the cable 14 on the surface of the fixing column 31.

The inside surface of heat dissipation case 22 is connected with servo motor 28, servo motor 28's output is connected with rotatory fan 29, spring self-resetting switch 27 passes through electric lead electric connection with servo motor 28, heat pipe 21 laminating is at the surface of high voltage switch main part 13, spring board 23 is two sets of symmetric distributions at the inside surface of protection case 11, spring self-resetting switch 27 is two sets of symmetric distributions at the inside surface of protection case 11, servo motor 28 is two sets of symmetric distributions at the inside surface of heat dissipation case 22, spring board 23's elasticity, and then when guaranteeing gasbag 26 not heated expansion, lower briquetting 25 is under spring board 23's elastic support, lower briquetting 25 does not support at spring self-resetting switch 27's surface, and the inboard gas that fills of gasbag 26 is nitrogen gas, and nitrogen gas is heated and is easily takes place the inflation, and then the security gasbag 26 can take place the inflation after being heated.

When the four-station oil-immersed high-voltage load switch is particularly used, when the high-voltage switch main body 13 generates heat during operation, the heat conduction of the heat conduction pipe 21 is used for rapidly transmitting the temperature of the high-voltage switch main body 13, when the temperature of the inner side of the device is too high, the air bag 26 is expanded, the spring plate 23 is pressed down, the pressing block 25 is pressed against the surface of the spring self-reset switch 27, the servo motor 28 is started, the rotary fan 29 is rotated, heat is radiated to the inner side of the device, and the temperature of the inner side of the device is prevented from being too high.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 1 and 3, the surface of the fixed column 31 is connected with the tension spring 32, the surface of the movable plate 33 is fixedly connected with the connecting rod 34, the surface of the connecting rod 34 is connected with the anti-slip pad 35, the fixed column 31 is symmetrically distributed on the surface of the protective box 11 in two groups, the connecting rod 34 is symmetrically distributed on the surface of the movable plate 33 in two groups, one end of the tension spring 32 is welded on the surface of the movable plate 33, the other end of the tension spring 32 is welded on the surface of the fixed column 31, and when the movable plate 33 is not moved by external force through the elasticity of the tension spring 32, the positions of the connecting rod 34 and the anti-slip pad 35 are in a static state.

When the four-station oil-immersed high-voltage load switch is particularly used, a worker pulls the movable plate 33 to one side far away from the fixed column 31, so that the tension spring 32 is stretched, the connecting rod 34 drives the anti-slip pad 35 to move, the worker winds the cable 14 on the surface of the fixed column 31, and the movable plate 33 is not pulled, so that the anti-slip pad 35 limits and fixes the cable 14 wound on the surface of the fixed column 31, and the situation that the cable 14 trips a pedestrian too long is avoided.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a four-station oil-immersed high-voltage load switch, includes support body (1), its characterized in that: the utility model provides a protection device for the electric wire, includes support body (1), support body (1) includes protective housing (11), the surface connection of protective housing (11) has screw board (12), the inboard of protective housing (11) is provided with high-voltage switch main part (13), the surface connection of high-voltage switch main part (13) has cable (14), the surface inboard surface connection of protective housing (11) has cooling mechanism (2), cooling mechanism (2) include heat pipe (21) and servo motor (28), the inboard surface at protective housing (11) is connected to heat pipe (21), the bottom surface connection of protective housing (11) has cooling box (22), the inboard bottom surface connection of protective housing (11) has spring board (23), the inboard surface connection of protective housing (11) has baffle (24), the surface fixedly connected with down briquetting (25) of spring board (23), the surface connection of spring board (23) has gasbag (26), the inboard bottom surface connection of protective housing (11) has spring self-resetting switch (27), the surface connection of protective housing (11) has wire harness (3) and fixed column (31), tie up wire (31) at fixed column (31).

2. The four-position oil-immersed high-voltage load switch according to claim 1, wherein: the inner side surface of the heat dissipation box (22) is connected with a servo motor (28), the output end of the servo motor (28) is connected with a rotary fan (29), and the spring self-resetting switch (27) is electrically connected with the servo motor (28) through an electric lead.

3. The four-position oil-immersed high-voltage load switch according to claim 1, wherein: the heat conducting pipe (21) is attached to the surface of the high-voltage switch main body (13), and the spring plates (23) are symmetrically distributed on the inner side surface of the protective box (11) in two groups.

4. The four-position oil-immersed high-voltage load switch according to claim 2, wherein: the spring self-resetting switch (27) is symmetrically distributed on the inner side surface of the protective box (11), and the servo motor (28) is symmetrically distributed on the inner side surface of the heat dissipation box (22).

5. The four-position oil-immersed high-voltage load switch according to claim 1, wherein: the surface of fixed column (31) is connected with extension spring (32), the fixed surface of fly leaf (33) can be connected with connecting rod (34), the surface of connecting rod (34) is connected with slipmat (35).

6. The four-position oil-immersed high-voltage load switch according to claim 5, wherein: the fixed columns (31) are symmetrically distributed on the surface of the protective box (11), and the connecting rods (34) are symmetrically distributed on the surface of the movable plate (33).

7. The four-position oil-immersed high-voltage load switch according to claim 5, wherein: one end of the tension spring (32) is welded on the surface of the movable plate (33), and the other end of the tension spring (32) is welded on the surface of the fixed column (31).