CN214899573U

CN214899573U - Power transformation engineering terminal box with dehumidification structure

Info

Publication number: CN214899573U
Application number: CN202120885505.6U
Authority: CN
Inventors: 王新; 王炳国; 黄兴民; 盖海滨
Original assignee: Sinopec Shengli Petroleum Administration Co Ltd Electric Power Branch
Current assignee: Sinopec Shengli Petroleum Administration Co Ltd Electric Power Branch
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-26
Anticipated expiration: 2031-04-27

Abstract

The utility model relates to a terminal box technical field specifically is a transformer engineering terminal box with dehumidification structure, including the case body, the baffle is installation cavity and dehumidification chamber with the internal partitioning of case body, is equipped with the through-hole on the baffle, and the outside of case body is equipped with and is used for carrying hot-blast air heater to dehumidification chamber, and the dehumidification intracavity is equipped with mobilizable shrouding, is equipped with the end cap corresponding with the through-hole on the shrouding, is equipped with the silica gel granule in the end cap. Through the partition board and the through holes arranged on the partition board, hot air can be uniformly conveyed into the installation cavity, and drying and dehumidifying treatment is carried out on the installation cavity; the sealing plate and the plug can prevent external moisture from entering the installation cavity when drying and dehumidification are not needed; and the silica gel particles in the plug can fully ensure the drying environment in the mounting cavity.

Description

Power transformation engineering terminal box with dehumidification structure

Technical Field

The utility model relates to a terminal box technical field specifically is a transformer engineering terminal box with dehumidification structure.

Background

The terminal box is an important device for connecting outdoor electrical equipment and indoor equipment. When the air humidity is high, particularly in rainy season, the outdoor terminal box becomes damp, so that the phenomenon of grounding of a direct current positive power supply or a direct current negative power supply is easily caused, or a direct current fuse is fused, the protection is refused to operate or is operated by mistake, equipment can be damaged under the more serious condition, and the safe operation of a power grid is seriously threatened.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a transformer engineering terminal box with dehumidification structure effectively dehumidifies terminal incasement portion, keeps inside dry, improves the life of terminal incasement wiring terminal.

In order to achieve the above object, the utility model provides a following technical scheme: a power transformation engineering terminal box with a dehumidification structure comprises a box body; an exhaust port is arranged on the box body corresponding to the installation cavity; a partition plate is arranged in the box body and divides the interior of the box body into an installation cavity and a dehumidification cavity; the partition plate is provided with a through hole, and the installation cavity is communicated with the dehumidification cavity through the through hole; an air heater is arranged outside the box body, and an air outlet of the air heater is communicated with the inside of the dehumidification cavity.

Furthermore, a sealing plate is arranged in the dehumidification cavity, is parallel to the partition plate and can slide along the length direction of the box body; when needs carry out the drying to the installation cavity, the shrouding is kept away from with the baffle mutually, when need not carrying out the drying to the installation cavity, the shrouding laminates with the baffle mutually in order to stop up the through-hole.

Furthermore, a lead screw is arranged in the dehumidification cavity, and the sealing plate is connected to the lead screw in a threaded manner; one end of the screw rod is rotatably connected to the partition plate, the other end of the screw rod penetrates through the box body and is connected with the motor, and the screw rod is rotatably connected with the box body.

Furthermore, a plug for plugging the through hole is arranged on the sealing plate, the plug is arranged on one side of the sealing plate opposite to the partition plate, and the size of the plug is matched with that of the through hole; when the sealing plate is attached to the partition plate, the plug is located in the through hole.

Furthermore, the inside of end cap is the cavity, and the cavity intussuseption is filled with silica gel granule, and is equipped with the logical groove that runs through on the end cap and the relative lateral wall of baffle.

Furthermore, the baffle is 2 to be located the inside left and right sides of case body respectively.

Furthermore, the air heaters are distributed on the upper side and the lower side of the box body respectively.

Furthermore, an electromagnetic valve is arranged on the exhaust port.

Furthermore, the bottom of the box body is provided with support legs.

Further, the top of case body is equipped with the support column, is equipped with curved waterproof board on the support column, the waterproof board is used for the both sides with rainwater water conservancy diversion to the case plate body.

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

1. divide into dehumidification chamber and installation cavity with the box through the baffle to set up the through-hole on the baffle, usable air heater carries hot-blast into the installation cavity uniformly, carries out drying and dehumidification processing in the installation cavity.

2. The sealing plate is connected in the dehumidification cavity in a sliding manner, so that when dehumidification is not needed, the through hole can be sealed by the sealing plate, and external moisture is prevented from entering the installation cavity; when dehumidification is needed, the closing plates are controlled to be far away from the partition plates, and then hot air can be ensured to enter the installation cavity through the through holes.

3. Through at the above-mentioned end cap that sets up of shrouding, can cooperate the baffle, further sealed the installation cavity when not needing dry.

4. Through pack the silica gel granule in the end cap, when need not dehumidify, carry out the moisture absorption through the silica gel granule, but the dry environment of fully guaranteeing the installation intracavity.

Drawings

FIG. 1 is a schematic view of the overall axial structure of the present invention;

FIG. 2 is a schematic overall front view of the present invention;

fig. 3 is a schematic sectional structure view of the plug.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the power transformation engineering terminal box with a dehumidification structure provided by the present invention comprises a box body 1, wherein a support leg 2 is arranged at the bottom of the box body 1; the top of case body 1 is provided with support column 3, is connected with on the support column 3 to be used for waterproof board 4 with rainwater water conservancy diversion to case body 1 both sides, and waterproof board 4 is the arc structure.

The box body 1 is also internally provided with a partition plate 5, and the partition plate 5 divides the interior of the box body 1 into an installation cavity 101 and a dehumidification cavity 102. A terminal interface for making electrical connections is provided in the mounting cavity 102.

Be equipped with a plurality of through-holes 6 on the baffle 5, through-holes 6 distribute on baffle 5 evenly, realize the intercommunication through-holes 6 between installation cavity 101 and the dehumidification chamber 102 for can realize gaseous circulation between two cavitys.

In the present embodiment, the partition plates 5 are 2 and symmetrically provided at the left and right sides inside the cabinet body 1, so that the cabinet body 1 is divided into the dehumidifying chamber 102 at both sides and the mounting chamber 101 at the middle. As an alternative embodiment, the partitions 5 may be provided on both upper and lower sides of the tank body 1. And as another alternative embodiment, the partition 5 may be 1 and provided at either side of the tank body 1.

The air heater 7 is arranged at the position, corresponding to the dehumidifying cavity 102, outside the box body 1, an air outlet of the air heater 7 is communicated with the inside of the dehumidifying cavity 102, so that hot air is conveyed into the dehumidifying cavity 102, and the inside of the box body 1 is dried and dehumidified. And the box body 1 is provided with an exhaust port 8 at a position corresponding to the installation cavity 101, and the exhaust port 8 is provided with an electromagnetic valve (not shown in the figure) so as to realize the circulation of gas during drying and dehumidification.

In this embodiment, the upper end and the lower end of the dehumidifying cavity 102 are both provided with the hot air blower 7, so that hot air enters the upper part and the lower part of the dehumidifying cavity 102, and the drying effect is improved. Alternatively, the hot air blower may be provided at both the front and rear sides or the left and right sides of the dehumidifying chamber 102. And as another alternative, the hot air blower 7 may be provided at either side of the dehumidifying chamber 102.

When the humidity in the installation cavity 101 is too high, the hot air blower 7 is turned on to convey hot air with proper temperature to the dehumidification cavity 102, the hot air uniformly enters the installation cavity 101 through the through hole 6, all corners in the installation cavity 101 are filled with the hot air, the drying is sufficiently carried out, and the electromagnetic valve is turned on during the drying, so that the exhaust port 8 is in an opening state, the gas circulation is realized, and the moisture in the installation cavity 101 is removed.

In order to prevent external moisture from entering the installation cavity 101 through the through holes 6 without drying and dehumidification, a sealing plate 9 is provided in the dehumidification cavity 102, and the sealing plate 9 is arranged in parallel with the partition plate 5. The closure plate 9 is movable within the dehumidification chamber 102 along the length of the tank body 1, towards or away from the partition 5. When it is desired to block the through holes 6 in the partition 5 to close the mounting cavity 101, the sealing plate 9 may be moved to a position where it abuts against the partition 5 to prevent external moisture from entering the mounting cavity 101 through the through holes 6. When drying is required, the sealing plate 9 is moved to the side away from the partition plate 5, and the blocking effect of the sealing plate 9 on the through holes 6 is released.

Shrouding 9 is sliding connection with the inner wall that dehumidifies the chamber 102, the utility model discloses do not do specific restriction to this sliding connection, the accessible matched with slider and spout mode realize sliding, also can realize sliding through matched with slide rail and pulley.

The movement of the closure plate 9 is controlled by a motor 10. A lead screw 11 is arranged in the dehumidifying cavity 102, the lead screw 11 is perpendicular to the sealing plate 9 and is in threaded connection with the sealing plate 9, so that the sealing plate 9 can be moved by rotating the lead screw 11. One end of the screw rod 11 is rotatably connected to the partition plate 5, the other end of the screw rod 11 movably penetrates through the box body 1, the screw rod is rotatably connected with the box body 1, and the tail end of the screw rod 11 is connected with the motor 10. The motor 10 drives the screw rod 11 to rotate, and further drives the sealing plate 9 in threaded connection with the screw rod 11 to move, so that when drying and dehumidification are not needed, the sealing plate 9 is controlled to be attached to the partition plate 5, and the through hole 6 is blocked; when dehumidification is needed, the control sealing plate 9 is moved to the side far away from the partition plate 5, so that the hot air delivered by the hot air blower 7 can smoothly enter the installation cavity 101.

In order to more effectively block the through holes 6 when the sealing plate 9 is not to be dried or dehumidified, plugs 12 corresponding to the through holes 6 are provided on a side surface of the sealing plate 9 opposite to the partition plate 5. The size of the plugs 12 is matched with that of the through holes 6, and the plugs 12 correspond to the through holes 6 one by one. When the installation cavity 101 needs to be sealed, the sealing plate 9 is attached to the partition plate 5, and the plug 12 is located in the through hole 6 to plug the through hole 6.

A cavity 13 is formed in the plug 12, silica gel particles 14 are filled in the cavity 13 and have a moisture absorption effect, and a through groove 15 which penetrates through the side wall of the plug 12 opposite to the partition plate 5 is formed in the side wall, so that moisture can enter the cavity 13 through the through groove 15 and can be absorbed by the silica gel particles 14 in the cavity 13.

When the hot air blower 7 is started to dry and dehumidify the installation cavity 101, the hot air blower 7 also dries and dehumidifies the silica gel particles 14 in the plug 12, so that the silica gel particles can keep the best moisture absorption effect.

The working principle is as follows: when the power transformation engineering terminal box with the dehumidification structure is not needed to be dried and dehumidified in the installation cavity 101, the exhaust port 8 is closed by the electromagnetic valve, so that the installation cavity 101 is sealed from the outside, and external moisture and water are prevented from entering; the seal plate 9 is attached to the partition plate 5, and the plugs 12 are just positioned in the through holes 6 of the seal plate 5, so that the installation cavity 101 can be sealed; further, the silica gel particles 14 in the plug 12 absorb moisture in the mounting cavity 101, thereby keeping the inside of the mounting cavity 101 dry.

When the humidity in the installation cavity 101 is too big, open motor 10, drive shrouding 9 and remove to the one side of keeping away from baffle 5, open air heater 7 and solenoid valve afterwards, the solenoid valve opens gas vent 8, and hot-blast entering dehumidification chamber 102 in the air heater 7 to through-hole 6 evenly get into in the installation cavity 101, carry out drying and dehumidification, gas passes through gas vent 8 discharge afterwards, realizes the gas circulation. Meanwhile, since the silica gel particles 14 absorb moisture and the moisture absorption efficiency is deteriorated, when the hot air of the air heater 7 enters the dehumidifying cavity 101, the silica gel particles 14 can be simultaneously dried.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 utility model provides a transformer engineering terminal box with dehumidification structure which characterized in that: comprises a box body; an exhaust port is arranged on the box body corresponding to the installation cavity; a partition plate is arranged in the box body and divides the interior of the box body into an installation cavity and a dehumidification cavity; the partition plate is provided with a through hole, and the installation cavity is communicated with the dehumidification cavity through the through hole; an air heater is arranged outside the box body, and an air outlet of the air heater is communicated with the inside of the dehumidification cavity.

2. A power transformation project terminal box with a dehumidification structure as set forth in claim 1, wherein: a sealing plate is further arranged in the dehumidification cavity, is arranged in parallel with the partition plate and can slide along the length direction of the box body; when needs carry out the drying to the installation cavity, the shrouding is kept away from with the baffle mutually, when need not carrying out the drying to the installation cavity, the shrouding laminates with the baffle mutually in order to stop up the through-hole.

3. A power transformation project terminal box with a dehumidification structure as set forth in claim 2, wherein: a lead screw is arranged in the dehumidification cavity, and the sealing plate is connected to the lead screw in a threaded manner; one end of the screw rod is rotatably connected to the partition plate, the other end of the screw rod penetrates through the box body and is connected with the motor, and the screw rod is rotatably connected with the box body.

4. A power transformation project terminal box with a dehumidification structure as set forth in claim 3, wherein: the blanking plate is provided with a plug for plugging the through hole, the plug is arranged on one side of the blanking plate opposite to the partition plate, and the size of the plug is matched with that of the through hole; when the closing plate is attached to the partition plate, the plug is located in the through hole.

5. A power transformation project terminal box with a dehumidification structure as set forth in claim 4, wherein: the inner part of the plug is a cavity, silica gel particles are filled in the cavity, and a through groove which penetrates through the side wall of the plug opposite to the partition plate is formed.

6. A power transformation project terminal box with dehumidification structure as claimed in claim 1 or 5, wherein: the baffle is 2 to be located the inside left and right sides of case body respectively.

7. A transformation project terminal box with dehumidification structure as set forth in claim 6, wherein: the hot air blowers are distributed on the upper side and the lower side of the box body respectively.

8. A power transformation project terminal box with a dehumidification structure as set forth in claim 1, wherein: and the exhaust port is provided with an electromagnetic valve.

9. A power transformation project terminal box with a dehumidification structure as set forth in claim 1, wherein: the bottom of the box body is provided with support legs.

10. A power transformation project terminal box with a dehumidification structure as set forth in claim 1, wherein: the top of case body is equipped with the support column, is equipped with curved waterproof board on the support column, the waterproof board is used for with rainwater water conservancy diversion to the both sides of the case plank body.