CN215221425U

CN215221425U - A power box with protective function for substation

Info

Publication number: CN215221425U
Application number: CN202120796019.7U
Authority: CN
Inventors: 王乾力; 姜磊; 苏新永; 张勇; 高燕龙; 赵旭
Original assignee: State Grid Corp of China SGCC; Chifeng Power Supply Co of State Grid East Inner Mongolia Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Chifeng Power Supply Co of State Grid East Inner Mongolia Electric Power Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-12-17
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a power supply box with a protective function for a substation, which comprises a box body, a bushing and a screw. A box cover is movably connected to one side of the box body, and supports are fixed on the upper and lower sides of the inner wall of the box. The inside of the sleeve is connected with the support rod, an insulating plate is fixed on one side of the sleeve, an observation window is opened inside the insulating plate, and an air outlet is opened on one side of the box, so The top of the air outlet is provided with a pulling groove, the bottom of the air outlet is provided with a plug-in groove, and the interior of the air outlet is provided with a filter screen. The substation uses a power box with a protective function. The edges of the upper and lower ends of the insulating plate are fixedly installed with bushings, and the bushings are connected to the support rods. Since the diameter of the bushings is larger than the opening width, when the support rods are connected with the bushings The insulating plate is not easy to fall off. Since the interior of the insulating plate is provided with an observation window, the electrician can check the looseness of the power cord through the observation window, thereby facilitating the insulation protection of the power box.

Description

Power box with protection function for transformer substation

Technical Field

The utility model relates to a power supply box technical field specifically is a transformer substation is with power supply box that has safeguard function.

Background

In a transformer substation, a power box mainly provides an operating power supply for a vacuum circuit breaker and other high-voltage switches, and plays a key role in power storage and transmission in the transformer substation, but the protection effect of the power box in the current market is poor, the requirement on the power box is higher and higher, the work efficiency of the power box is expected to be improved through innovation of the power box, so that the power box has the maximum value, along with the development of science and technology, the power box has great development, great convenience is brought to electricians in power transmission and storage of the power box through the development of the power box, and the types and the number of the power box are increasing day by day.

Although the types and the number of the power boxes on the market are very large, the power boxes have the following defects: the power box has poor protection effect, and the hot air inside the power box circulates slowly and is not convenient for disassembling and cleaning the filter screen of the power box. Therefore, the existing power box needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer substation is with power supply box with safeguard function to solve the power supply box protective effect on the existing market that above-mentioned background art provided relatively poor, the inside circulation of steam of power supply box is slower with the filter screen of power supply box not convenient to detach the problem of clearance.

In order to achieve the above object, the utility model provides a following technical scheme: a power box with a protection function for a transformer substation comprises a box body, a sleeve and screws, wherein a box cover is movably connected to one side of the box body, supporting rods are fixed to the upper side and the lower side of the inner wall of the box body, the inner part of the sleeve is connected with the supporting rods, and an insulating plate is fixed to one side of the sleeve;

an observation window is arranged inside the insulating plate, an air outlet is formed in one side of the box body, a pull groove is formed in the top of the air outlet, an inserting groove is formed in the bottom of the air outlet, a filter screen is arranged inside the air outlet and connected with the inserting groove through an inserting strip, a fixture block is fixed at the top end of the inner wall of the air outlet, a groove is formed in the fixture block, and the filter screen is connected with the groove through a protrusion;

the one end that the cutting was kept away from to the filter screen is fixed with the arm-tie, the arm-tie sets up the inside at the kerve, the box is close to one side inner wall of filter screen and installs the backup pad, the spout has been seted up to the inside of backup pad, the spacing groove has been seted up to one side of spout, the inside of spout is provided with the slide, the slide is connected with the spacing groove through the sand grip, the screw runs through the backup pad and is connected with the slide, the one end of slide is fixed with the fan.

Preferably, the cross section of the sleeve is in a C shape, and the inner diameter of the sleeve is matched with the diameter of the support rod.

Preferably, the cross section of the groove is in a C shape, the diameter of the groove is larger than the width of the opening, and the groove and the protrusion are in interference fit.

Preferably, the cross section of the pulling plate is L-shaped, and the height of the pulling plate is smaller than the width of the pulling groove.

Preferably, the cross section of the sliding chute is in a T shape, the connecting size of the sliding chute and the connecting size of the sliding plate are matched, and the sliding chute and the sliding plate are in sliding connection.

Preferably, the cross sectional shape of sand grip is the pentagon, and the size of sand grip and the size phase-match of spacing groove to the sand grip passes through to constitute the block structure between spacing groove and the backup pad.

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

(1) the power box with the protection function for the transformer substation is characterized in that the sleeve is fixedly arranged on the edges of the upper end and the lower end of the insulating plate, the sleeve is butted with the supporting rod, the insulating plate is not easy to fall off when the supporting rod is connected with the sleeve due to the fact that the diameter of the sleeve is larger than the opening width, and an observation window is arranged inside the insulating plate, so that an electrician can check the loosening condition of a power line through the observation window, and the insulating protection of the power box is facilitated;

(2) the power box with the protection function for the transformer substation is characterized in that the sliding plate is inserted into the sliding groove in a sliding mode, when the raised line on one side of the sliding plate is connected with the limiting groove, the maximum width of the limiting groove is larger than the width of the opening, and the screw penetrates through the sliding plate and is connected with the sliding groove, so that the fan is installed on the inner side of the filter screen, the air outlet is formed in one side, close to the fan, of the box body, and the ventilation opening is formed in one side, away from the fan, of the box body, and therefore circulation of hot air in the box body is facilitated to be accelerated;

(3) this power supply box with safeguard function for transformer substation, when needs are changed and are washd the filter screen, will point to inject and buckle the arm-tie protrusion position in the arm-tie, with the outside pulling of arm-tie for the arch breaks away from the block of the inside recess of fixture block, and takes out the cutting of filter screen bottom from the inserting groove, makes the filter screen dismantle, thereby the dismantlement clearance of the filter screen of being convenient for.

Drawings

Fig. 1 is a schematic view of the structure of the utility model after the cover is opened;

FIG. 2 is a schematic structural view of the cross section of the present invention;

FIG. 3 is a schematic left-side sectional view of the present invention;

FIG. 4 is a right side view of the structure of the present invention;

FIG. 5 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;

FIG. 6 is a schematic view of a partial enlarged structure at B in FIG. 2 according to the present invention;

fig. 7 is a schematic view of a partial enlarged structure at C in fig. 3 according to the present invention;

fig. 8 is a schematic view of the enlarged structure of the part D in fig. 3 according to the present invention.

In the figure: 1. a box body; 2. a box cover; 3. a support bar; 4. a sleeve; 5. an insulating plate; 6. an observation window; 7. an air outlet; 8. groove drawing; 9. inserting grooves; 10. a filter screen; 11. cutting; 12. a clamping block; 13. a groove; 14. a protrusion; 15. pulling a plate; 16. a support plate; 17. a chute; 18. a limiting groove; 19. a slide plate; 20. a convex strip; 21. a screw; 22. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a power box with a protection function for a transformer substation comprises a box body 1, a box cover 2, a support rod 3, a sleeve 4, an insulation board 5, an observation window 6, an air outlet 7, a pull groove 8, an insertion groove 9, a filter screen 10, an insertion strip 11, a fixture block 12, a groove 13, a protrusion 14, a pull plate 15, a support plate 16, a sliding groove 17, a limiting groove 18, a sliding plate 19, a convex strip 20, a screw 21 and a fan 22, wherein the box cover 2 is movably connected to one side of the box body 1, the support rod 3 is fixed to the upper side and the lower side of the inner wall of the box body 1, the sleeve 4 is connected with the support rod 3, the cross section of the sleeve 4 is C-shaped, the inner diameter of the sleeve 4 is matched with the diameter of the support rod 3, the sleeve 4 is connected with the support rod 3, and therefore the insulation board 5 is convenient to install, and the insulation board 5 is fixed to one side of the sleeve 4;

an observation window 6 is arranged inside the insulating plate 5, an air outlet 7 is arranged on one side of the box body 1, a pull groove 8 is arranged at the top of the air outlet 7, an insertion groove 9 is arranged at the bottom of the air outlet 7, a filter screen 10 is arranged inside the air outlet 7, the filter screen 10 is connected with the insertion groove 9 through an insertion strip 11, a fixture block 12 is fixed at the top end of the inner wall of the air outlet 7, a groove 13 is arranged inside the fixture block 12, the cross section of the groove 13 is in a C shape, the diameter of the groove 13 is larger than the opening width, and the groove 13 and the bulge 14 are in interference fit, so that the groove 13 is connected with the bulge 14, the filter screen 10 is convenient to install, and the filter screen 10 is connected with the groove 13 through the bulge 14;

a pulling plate 15 is fixed at one end of the filter screen 10 far away from the cutting 11, the cross section of the pulling plate 15 is L-shaped, the height of the pulling plate 15 is smaller than the width of the pulling groove 8, so that fingers can extend into the pulling groove 8 to pull the pulling plate 15, the filter screen 10 is convenient to disassemble, the pulling plate 15 is arranged inside the pulling groove 8, a supporting plate 16 is installed on the inner wall of one side of the box body 1 close to the filter screen 10, a sliding groove 17 is formed inside the supporting plate 16, the cross section of the sliding groove 17 is T-shaped, the connecting size of the sliding groove 17 and the sliding plate 19 is matched, a sliding connection is formed between the sliding groove 17 and the sliding plate 19, so that the sliding plate 19 moves inside the sliding groove 17, the fan 22 is convenient to install, a limiting groove 18 is formed on one side of the sliding groove 17, the sliding plate 19 is arranged inside the sliding groove 17, and the sliding plate 19 is connected with the limiting groove 18 through a protruding strip 20, the cross-sectional shape of convex strip 20 is the pentagon, and the size of convex strip 20 and the size phase-match of spacing groove 18 to convex strip 20 constitutes the block structure through between spacing groove 18 and the backup pad 16, makes convex strip 20 and spacing groove 18 block mutually, thereby is convenient for fan 22's location installation, screw 21 runs through backup pad 16 and is connected with slide 19, slide 19's one end is fixed with fan 22.

The working principle is as follows: when the power box with the protection function for the transformer substation is used, firstly, the box body 1 is placed at a designated position, the box cover 2 is opened, the upper end edge and the lower end edge of the insulating plate 5 are fixedly provided with the sleeve 4, the sleeve 4 is butted with the supporting rod 3, the diameter of the sleeve 4 is larger than the opening width, so that the insulating plate 5 is not easy to fall off when the supporting rod 3 is connected with the sleeve 4, an electrician can play an insulating protection effect when opening the box cover 2, then the inside of the insulating plate 5 is provided with the observation window 6, so that the electrician can check the conditions of a power line and a circuit through the observation window 6, then the sliding plates 19 at the two ends of the fan 22 are inserted into the sliding grooves 17 in a sliding mode, when the convex strips 20 at one side of the sliding plates 19 are connected with the limiting grooves 18, the designated position of the sliding plates 19 in the sliding grooves 17 is fixed because the maximum width of the limiting grooves 18 is larger than the opening width, and screws 21 are connected with the slide slots 17 through the slide plate 19, so that the positioning and installation of the fan 22 are facilitated, because the air outlet 7 is arranged on one side of the box body 1 close to the fan 22, the ventilation opening is arranged on one side of the box body 1 far away from the fan 22, thereby facilitating the rapid circulation of hot air, and then, when the filter screen 10 needs to be replaced and cleaned, fingers are inserted into the pull grooves 8 to buckle the convex parts of the pull plates 15, the pull plates 15 are pulled outwards, so that the protrusions 14 are disengaged from the grooves 13 in the clamping blocks 12, and the cutting 11 at the bottom end of the filter screen 10 is taken out from the inserting groove 9, then the cleaned filter screen 10 or the cutting 11 of the replaced filter screen 10 is inserted into the inserting groove 9, and the projections 14 are engaged with the grooves 13 so that the filter screen 10 is installed in the outlet 7, which is not described in detail in this specification and is well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A power supply box with a protective function for a substation, comprising a box body (1), a bushing (4) and a screw (21), wherein one side of the box body (1) is movably connected with a box cover (2), the upper and lower sides of the inner wall of the box body (1) are fixed with support rods (3), the inside of the sleeve (4) is connected with the support rod (3), the sleeve (4) is An insulating plate (5) is fixed on one side;

An observation window (6) is formed inside the insulating plate (5), an air outlet (7) is formed on one side of the box body (1), and a pulling groove (8) is formed on the top of the air outlet (7). ), the bottom of the air outlet (7) is provided with a plug-in slot (9), the inside of the air outlet (7) is provided with a filter screen (10), and the filter screen (10) passes through the insert (11) Connected with the insertion slot (9), the top end of the inner wall of the air outlet (7) is fixed with a blocking block (12), and a groove (13) is opened inside the blocking block (12), and the filter screen ( 10) Connect with the groove (13) through the protrusion (14);

A pull plate (15) is fixed at one end of the filter screen (10) away from the insert (11), the pull plate (15) is arranged inside the pull groove (8), and the box body (1) is close to the filter screen A support plate (16) is installed on the inner wall of one side of (10), a chute (17) is provided inside the support plate (16), and a limit slot (18) is provided on one side of the chute (17), A sliding plate (19) is arranged inside the chute (17), the sliding plate (19) is connected with the limiting groove (18) through a protruding strip (20), and the screw (21) penetrates the support plate (16) It is connected with a sliding plate (19), and one end of the sliding plate (19) is fixed with a fan (22).

2. A power supply box with protective function for a substation according to claim 1, characterized in that: the cross-sectional shape of the bushing (4) is a "C" shape, and the inner diameter of the bushing (4) Match the diameter of the support rod (3).

3. A power supply box with a protective function for a substation according to claim 1, wherein the cross-sectional shape of the groove (13) is a "C" shape, and the diameter of the groove (13) is greater than the width of the opening, and there is an interference fit between the groove (13) and the protrusion (14).

4. A power supply box with a protective function for a substation according to claim 1, wherein the cross-sectional shape of the pull plate (15) is an "L" shape, and the height of the pull plate (15) is less than The width of the slot (8).

5. A power supply box with protective function for a substation according to claim 1, characterized in that: the cross-sectional shape of the chute (17) is a "T" shape, and the chute (17) and the sliding plate ( 19) are matched in size, and a sliding connection is formed between the chute (17) and the slide plate (19).

6. A power box with protective function for a substation according to claim 1, characterized in that: the cross-sectional shape of the protruding strip (20) is a pentagon, and the size of the protruding strip (20) and the limit The sizes of the grooves (18) are matched, and the protruding strips (20) pass through the limiting grooves (18) to form a snap-fit structure with the support plate (16).