CN213367143U

CN213367143U - Intelligent substation box

Info

Publication number: CN213367143U
Application number: CN202021340243.7U
Authority: CN
Inventors: 吴豪; 张世杰
Original assignee: First Engineering Co Ltd of CCCC Third Highway Engineering Co Ltd
Current assignee: First Engineering Co Ltd of CCCC Third Highway Engineering Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-06-04
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to the technical field of transformer substations, in particular to an intelligent transformer substation box, which comprises a box-type transformer substation body and a box-type transformer substation mounting base; the box-type substation body also comprises a rectangular metal frame, a box-type substation top cover, a box-type substation shell, a box-type substation base and two zinc plates, wherein the two zinc plates divide the box-type substation body into a low-pressure chamber, a transformer chamber and a high-pressure chamber from left to right; still including channel-section steel, concrete collar tie, brick wall, stone ladder, cable duct, connecing subway, sewer pipe, transom and cable rack on the box-type substation mounting base, there is the dampproofing blocking agent layer of polymer on the box-type substation base upper surface, rectangular hole on the box-type substation base runs through there is the peltier refrigeration piece, peltier refrigeration piece refrigeration end is located box-type substation base top. The utility model discloses a can prevent that the dampproofing blocking agent of polymer from not flowing before solidifying, can utilize the peltier refrigeration piece to carry out better heat dissipation simultaneously.

Description

Intelligent substation box

Technical Field

The utility model relates to a transformer substation technical field, concretely relates to wisdom transformer substation case.

Background

The box-type substation is a compact type power distribution device which organically combines the functions of high-voltage power receiving, transformer voltage reduction, low-voltage power distribution and the like, and mainly comprises high-voltage equipment, a distribution transformer and low-voltage power distribution equipment; the box-type transformer substation is suitable for both indoor and outdoor use, has a series of advantages of economy, practicality, flexible combination mode, small occupied area, strong environmental adaptability, convenient installation and the like, and is widely applied to urban network construction and transformation.

Although the box-type substation has many advantages, the box-type substation has some disadvantages; short circuits or safety accidents caused by poor moisture-proof effect of the box-type substation are more and more frequent, because the grounding requirement of a box-type substation mounting base is built on the ground, the moisture-proof effect between most of the existing box-type substations and the box-type substation mounting base is poor, along with weather change, water vapor on the ground can enter the box-type substation to be condensed, the creepage distance between high voltage and low voltage of a transformer in the box-type substation is large, and electrical equipment cabinets in the box-type substation are numerous and dense, the creepage short circuit of the transformer in the box-type substation can be caused or water vapor condensed dust can form conductors to be attached to the components to cause short circuit, so that the normal use and power supply are influenced, most of the existing box-type substations are provided with a high-molecular moisture-proof plugging agent layer on the upper surface of a box-type substation base, and pores between a cable and, however, the polymer moisture-proof plugging agent filled between the cable and the hole of the substation base often flows away along the cable box without being cured under the action of gravity, so that a gap still exists between the cable and the substation base, the sealing performance of the substation base is influenced, and the moisture-proof effect of the substation box is directly reduced, and how to set the polymer moisture-proof plugging agent layer on the upper surface of the substation box to prevent moisture is a problem of the existing substation box without reducing the moisture-proof effect; meanwhile, high-voltage equipment, a distribution transformer and low-voltage distribution equipment in the box-type transformer substation are all in one box, the high-voltage equipment, the distribution transformer and the low-voltage distribution equipment basically dissipate heat by air cooling, the electricity load is large in heat generation amount in summer, the heat taken away through air heat transfer is limited, and how to enable the box-type transformer substation to have better heat dissipation is a problem which always exists in the box-type transformer substation.

Disclosure of Invention

The utility model aims at providing a wisdom transformer substation case to solve the problem of the dampproofing blocking agent of polymer before not solidifying downflow between box-type substation base and the cable conductor, solve the problem of dispelling the heat better when making box-type substation high load simultaneously.

In order to solve the technical problem, the utility model discloses a wisdom transformer station case technical means as follows: the transformer substation comprises a box-type transformer substation body and a box-type transformer substation mounting base, wherein the box-type transformer substation mounting base is a concave cavity; the box-type substation comprises a box-type substation body, and is characterized in that the box-type substation body further comprises a rectangular metal frame, a box-type substation top cover, a box-type substation shell, a box-type substation base and two zinc plates, wherein the two zinc plates divide the box-type substation body into a low-pressure chamber, a transformer chamber and a high-pressure chamber from left to right; the box-type substation mounting base further comprises channel steel, a concrete ring beam, a brick wall, a stone ladder, cable pipes, a connecting subway, a sewer pipe, a ventilation window and a cable frame, wherein the channel steel is provided with a threaded hole for connecting a double-end screw rod, the channel steel is pre-embedded on the concrete ring beam, the concrete ring beam is fixed on the brick wall, the stone ladder is arranged on the periphery of the brick wall, the cable pipes are arranged at the buried part of the brick wall in the ground, the connecting part between the interior of the brick wall and the ground is inserted with the connecting subway and is embedded with the sewer pipe, and the side wall of the brick wall is provided with the two ventilation windows and the cable frame; the cable has the tray of holding up the dampproofing plugging agent of polymer near the below of box-type substation base cable hole, the box-type substation body passes through double-threaded screw and nut to be fixed on the channel-section steel, box-type substation base upper surface has the dampproofing plugging agent layer of polymer, the hole between cable conductor and the substation base trompil also is filled with the dampproofing plugging agent of polymer, there is the rectangular hole on the box-type substation base, the rectangular hole runs through there is the peltier refrigeration piece, peltier refrigeration piece one end is originally internal at box-type substation, and one end is in box-type substation mounting base cavity, peltier refrigeration piece is the cold junction at this internal one end of box-type substation, and the one end in box-type substation mounting base cavity is the hot junction.

Above-mentioned technical scheme's wisdom transformer substation case has following technical advantage: the cable enters a cavity formed by a box-type substation mounting base through an underground cable pipe, is fixed on a cable frame through bending, then passes through an opening on a box-type substation base to enter a box-type substation body, the upper surface of the box-type substation base is coated with a high-molecular moisture-proof plugging agent layer, a high-molecular moisture-proof plugging agent is also arranged in a hole between the cable and the opening of the substation base, a tray for sealing and supporting the high-molecular moisture-proof plugging agent is arranged on the cable pipe, the phenomenon that the high-molecular moisture-proof plugging agent flows downwards under the action of gravity before being cured to generate a hole between the cable and the box-type substation base can be prevented, the box-type substation base is sealed and isolated and cannot pass through water vapor, and the box-; the Peltier refrigerating sheet penetrates through the long hole of the base of the box-type substation, one end of the Peltier refrigerating sheet in the box-type substation body is a cold end, one end in the cavity of the mounting base of the box-type substation is a hot end, after the fans beside the Peltier refrigerating sheet and the Peltier refrigerating sheet are powered on, the Peltier refrigerating sheet starts to refrigerate at one end in the box-type substation body, cold air is blown out through the fan blowing from the front side, the cold air flows to the box-type substation, the box-type substation utilizes the cold air to better dissipate heat on the basis of normal air cooling, the heat dissipation effect is improved, meanwhile, one end in the cavity of the mounting base of the box-type substation heats and generates heat, the generated heat is absorbed by the air in the cavity of the mounting base of the substation and is finally taken away by the outside air through the air holes, the box-type substation is enabled to dissipate heat compared with, the heat dissipation capacity of the box-type substation under high load is greatly improved.

Preferably, in order to prevent rainwater from entering the lock, a rainproof cover is arranged above the lock hole; in order to facilitate opening of the cover, a pull-up portion is provided at an end of the cover near the ground.

Preferably, the upper edge of each door is provided with a closed sealing strip, so that the internal sealing performance of the box-type transformer body is better, and the cold air used for heat dissipation in the box-type transformer substation body is prevented from losing.

Preferably, in order to facilitate the lifting movement of the box-type substation, two lifting nails are provided on each of the front and rear sides of the base of the box-type substation.

Preferably, be provided with the channel-section steel that flushes with concrete circle roof beam top, the channel-section steel face spills the screw hole, is favorable to box-type substation to pass through the double-threaded screw installation to be fixed on the channel-section steel, in order to fix the box-type substation body on the channel-section steel, is provided with the screw thread that revolves to the same with channel-section steel upper bore screw thread on the double-threaded screw.

Preferably, in order that the influence on the refrigerating end caused by heat conduction between the hot end and the cold end of the Peltier refrigerating sheet is avoided, the Peltier refrigerating sheet is wrapped with a heat insulation layer at the outer part of the strip hole.

Preferably, in order to better cool the transformer, a fan which blows air to the peltier cooling plate is arranged beside the peltier cooling plate.

Preferably, in order to prevent small animals from entering the chamber of the installation base of the box-type substation, a ventilation window with the square density of less than 5 mm is arranged, and a wire mesh is arranged at the sewer opening.

Preferably, the two zinc plates are respectively provided with a plurality of openings, so that air in the box-type substation body can circulate among the low-voltage chamber, the transformer chamber and the high-voltage chamber.

Preferably, be provided with the cement mortar layer of water repellent treatment in the brick wall inboard, can make damp-proofing in the box-type substation installation base cavity, vapor can not permeate toward the box-type substation body of top by a short time in the transformer substation installation base cavity, and indirect messenger's box-type substation body dampproofing effect is better.

Drawings

Fig. 1 is a distribution diagram of equipment in a box-type substation of the present invention;

fig. 2 is a schematic sectional view taken along line a-a in a top view of the present invention;

fig. 3 is a partial enlarged view of the peltier cooler in the top view of the present invention;

fig. 4 is a schematic sectional view of a top view B-B of the present invention;

fig. 5 is a schematic cross-sectional view of the C-C in the top view of the present invention;

fig. 6 is a schematic sectional view taken along line D-D in a plan view of the present invention;

the main reference symbols in the drawings are as follows:

1. a box-type substation top cover; 2. a rectangular three-dimensional metal frame; 3. a zinc plate; 4. a box-type substation base; 5. a box-type substation housing; 6. a concrete ring beam; 7. channel steel; 8. a double-ended screw; 9. brick walls; 10. a stone ladder; 11. a cable rack; 12. a ground lead; 13. connecting a subway; 14. a door handle; 15. loose leaves; 16. hoisting nails; 17. a sewer pipe; 18. a cable wire; 19. a polymer moisture-proof plugging agent; 20. a Peltier refrigerating sheet; 21. a ventilation window; 22. a cable duct;

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the intelligent substation box comprises a box-type substation body and a box-type substation mounting base, wherein the box-type substation mounting base is a concave cavity, a brick-concrete structure can be adopted, the interior of the box-type substation mounting base is subjected to moisture-proof treatment, and the box-type substation body can be generally made into a small house shape so as to be better integrated into the environment; the box-type substation body further comprises a cuboid metal frame 2, a box-type substation top cover 1, a box-type substation shell 5, a box-type substation base 4 and two zinc plates 3 for separating an inner space. The two zinc plates 3 are respectively provided with a plurality of openings, so that air in the box-type substation body can circulate among a low-voltage chamber, a transformer chamber and a high-voltage chamber, the top cover 1 of the box-type substation generally adopts a V-shaped pointed top structure, the shell of the shell 5 of the box-type substation generally adopts a galvanized plate, and the surface of the galvanized plate is coated with an antirust coating, and the two zinc plates 3 divide the box-type substation body into the low-voltage chamber, the transformer chamber and the high-voltage chamber from left to right; the inlet end of the high-voltage chamber is connected with a sulfur hexafluoride switch in series, a high-voltage control mechanism, an electronic monitoring mechanism, an APP remote controller and other control mechanisms which are opened or closed are arranged at the high-voltage vacuum circuit breaker, the control mechanisms are electrically connected with the controller, and the control structures are arranged, so that the high-voltage vacuum circuit breaker can realize the remote control of the opening and closing of the high-voltage vacuum circuit breaker, has a monitoring function, realizes the intellectualization of high-voltage power transmission and is more convenient to use; a voltage output connecting channel is arranged between the voltage transformation chamber and the low-voltage chamber, the voltage output channel is provided with a dual-power automatic transfer switch, the dual-power automatic transfer switch is fixed with the voltage output channel through screws, two input ends of the dual-power automatic transfer switch are respectively connected with a common voltage output end of a transformer output end and an isolation voltage output end of the transformer output end, and an output end of the dual-power automatic transfer switch is electrically connected with a far-end input end of the low-voltage chamber; the voltage output connecting channel is arranged between the voltage transformation chamber and the low-voltage chamber, the 4G wireless transmitter and the APP remote control switch are arranged in the voltage output connecting channel, the voltage output connecting channel is electrically connected with the dual-power transfer switch, and the dual-power transfer switch arranged between the voltage transformation chamber and the low-voltage chamber can be located on the middle side of the isolation voltage output ends of the common voltage output end and the transformer output end and can also be located on the upper side or the lower side. Box-type substation shell 5 is fixed on cuboid metal frame 6 frame, all there is the door on the four sides on the box-type substation shell 5 in low-pressure chamber, transformer room and hyperbaric chamber, and the transformer room is two divisions of doors, and low-pressure chamber and hyperbaric chamber are single division of doors, all are provided with closed sealing strip at each door top edge, can make box-type transformer body inside leakproofness better, are favorable to the inside radiating cold air that is used for of box-type substation body not to run off, have the cable hole that the supply cable passed on the box-type substation base 4.

As shown in fig. 2 and 3, the box-type substation mounting base further comprises a channel steel 7, a concrete ring beam 6, a brick wall 9, a stone ladder 10, a cable pipe 22, a grounding iron 13, a sewer pipe 17, a ventilation window 21 and a cable frame 11, wherein the channel steel 7 is provided with a threaded hole for connecting a double-headed screw 8, the thread turning direction of the hole on the channel steel 7 is the same as the turning direction of the thread on the double-headed screw 8, the channel steel 7 is pre-embedded on the concrete ring beam 6, but the threaded hole on the channel steel 7 should be leaked out and a certain depth is reserved for the double-headed screw 8 to be fixedly screwed in, the concrete ring beam 6 is fixed on the brick wall 9, the brick wall 9 is provided with the stone ladder 10 on the periphery, the step number and the step height of the stone ladder 10 should be designed according to actual requirements, the cable pipe 22 is embedded in the underground part of the brick wall 9, the underground part connected with the ground inside of the brick wall 9 is inserted with the, the connection rail 13 is made of galvanized flat steel, the side wall of the brick wall 9 is provided with two ventilation windows 21 and a cable frame 11, and the cable frame 11 is provided with a hole for fixing a cable or a clamping facility; the box-type substation body is fixed on channel steel through a double-end screw 8 and a nut, the upper surface of a box-type substation base 4 is coated with a high-molecular moisture-proof plugging agent 19 layer, a hole between a cable and a substation base 4 opening is also filled with the high-molecular moisture-proof plugging agent 19, the high-molecular moisture-proof plugging agent 19 can adopt a ZHHLHGF 7000-PT high-molecular moisture-proof plugging agent, a tray arranged on the cable pipeline can seal and support the high-molecular moisture-proof plugging agent, the box-type substation base 4 is provided with a long hole, the long hole penetrates through a Peltier refrigerating sheet 20, one end of the Peltier refrigerating sheet 20 is arranged in the box-type substation body, one end of the Peltier refrigerating sheet 20 in the box-type substation body is arranged in a cavity of a box-type substation mounting base, one end in the box-type substation body is a cold end, one end in the box-type substation mounting base cavity is a hot end, the sealant is high temperature resistant sealant HBC-1096.

As shown in fig. 4, 5 and 6, the cable enters the box-type substation body through the opening on the box-type substation base 4, the upper surface of the box-type substation base is provided with a polymer moisture-proof plugging agent layer, a hole between the cable and the opening of the substation base 4 is also provided with a polymer moisture-proof plugging agent 19, and the polymer moisture-proof plugging agent is sealed by a tray on the cable pipeline and supported, so that the box-type substation base between the box-type substation body and the box-type substation mounting base is sealed and isolated and cannot pass through water vapor; the peltier refrigerating piece 20 penetrates through the long hole of the base of the box-type substation, one end of the peltier refrigerating piece 20 in the box-type substation body is a cold end, one end in the cavity of the mounting base of the box-type substation is a hot end, after the peltier refrigerating piece 20 and the fans beside the peltier refrigerating piece 20 are powered on, one end of the peltier refrigerating piece 20 in the box-type substation body starts to refrigerate, cold air is blown out through the fan blowing from the front side, the cold air flows to the box-type substation, the box-type substation can better dissipate heat through the cold air on the basis of normal air cooling, the heat dissipation effect is improved, meanwhile, one end in the cavity of the mounting base of the box-type substation heats and generates heat, the generated heat is absorbed by air in the cavity of the mounting base of the substation, and finally is taken away by outside air through the ventilation window.

To sum up, the utility model has the advantages that the upper surface of the box-type substation base is coated with the polymer moisture-proof plugging agent layer, the hole between the cable and the substation base opening is filled with the polymer moisture-proof plugging agent, the moisture-proof effect is not weakened, and the tray which is used for sealing and supporting the polymer moisture-proof plugging agent is arranged on the cable, so that the polymer moisture-proof plugging agent can be prevented from flowing downwards under the action of gravity before being solidified, the hole can not be generated to influence the sealing performance of the box-type substation base, and the box-type substation body can be better moisture-proof during working; the Peltier refrigerating sheet penetrates through the long strip hole of the base of the box-type substation, refrigeration and heat dissipation by the Peltier refrigerating sheet are added on the basis of normal air cooling of the box-type substation, the heat dissipation effect is improved, and the heat dissipation capacity of the box-type substation under high load is greatly increased.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an intelligence transformer station case which characterized in that: the transformer substation comprises a box-type transformer substation body and a box-type transformer substation mounting base, wherein the box-type transformer substation mounting base is a concave cavity; the box-type substation comprises a box-type substation body, and is characterized in that the box-type substation body further comprises a rectangular metal frame, a box-type substation top cover, a box-type substation shell, a box-type substation base and two zinc plates for separating an internal space, wherein the two zinc plates divide the box-type substation body into a low-pressure chamber, a transformer chamber and a high-pressure chamber from left to right; the box-type substation mounting base further comprises channel steel, a concrete ring beam, a brick wall, a stone ladder, cable pipes, a connecting subway, a sewer pipe, a ventilation window and a cable frame, wherein the channel steel is provided with a threaded hole for connecting a double-end screw rod, the channel steel is pre-embedded on the concrete ring beam, the concrete ring beam is fixed on the brick wall, the stone ladder is arranged on the periphery of the brick wall, the cable pipes are arranged at the buried part of the brick wall in the ground, the connecting part between the interior of the brick wall and the ground is inserted with the connecting subway and is embedded with the sewer pipe, and the side wall of the brick wall is provided with the two ventilation windows and the cable frame; the cable has the tray of holding up the dampproofing plugging agent of polymer near the below of box-type substation base cable hole, the box-type substation body passes through double-threaded screw and nut to be fixed on the channel-section steel, box-type substation base upper surface has the dampproofing plugging agent layer of polymer, the hole between cable conductor and the substation base trompil also is filled with the dampproofing plugging agent of polymer, there is the rectangular hole on the box-type substation base, the rectangular hole runs through there is the peltier refrigeration piece, peltier refrigeration piece one end is originally internal at box-type substation, and one end is in box-type substation mounting base cavity, peltier refrigeration piece is the cold junction at this internal one end of box-type substation, and the one end in box-type substation mounting base cavity is the hot junction.

2. The intelligent substation box of claim 1, wherein: the door is provided with a lock hole for installing a lock, a rainproof cover is arranged above the lock hole, and a lifting part is arranged at one end, close to the ground, of the cover.

3. The intelligent substation box of claim 1, wherein: the edge of each door is provided with a closed sealing strip.

4. The intelligent substation box of claim 1, wherein: the box-type substation base is provided with two lifting nails which are arranged on the front side and the rear side respectively.

5. The intelligent substation box of claim 1, wherein: and a fan which is over against the Peltier refrigerating sheet is arranged beside the Peltier refrigerating sheet.

6. The intelligent substation box of claim 1, wherein: the two zinc plates are respectively provided with a plurality of openings.