Forced air cooling dry-type transformer with cabinet body

Abstract

The utility model discloses a forced air cooling dry-type transformer with a cabinet body in the field of transformers, which comprises a cabinet, a transformer body is arranged in the cabinet, the transformer body comprises iron cores and coils arranged around the iron cores, conductive air channels are reserved between the adjacent iron cores, a plurality of exhaust fans are arranged in the cabinet, and the exhaust fans are arranged in the cabinet. One end of the cabinet is provided with an air inlet communicated with the air duct, the other end of the cabinet is provided with an air outlet communicated with the air duct, and the side surface of the transformer body is provided with an insulating wind shield used for blocking air flow; according to the forced air cooling dry-type transformer with the cabinet body, the cabinet with the sliding rails is arranged, the sliding grooves and the movable grooves are formed in the sliding rails, and the sliding blocks, the first rolling wheels and the second rolling wheels are connected with the sliding rails in a sliding mode, so that the transformer body and the fixed base of the transformer body can be conveniently installed or detached along the sliding rails in a sliding mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of transformer, concretely is forced air cooling dry type transformer with cabinet body. BACKGROUND

[0002] Forced air cooling dry type transformer is a kind of electrical equipment widely used in power system and industrial field, it adopts dry winding structure, and is equipped with forced air cooling system to ensure its high efficient heat dissipation and stable operation.Compared with traditional oil-immersed transformer, dry transformer has the advantages of fire prevention, explosion prevention, pollution-free, easy maintenance and the like, and is widely used in many occasions requiring high safety and environmental protection requirements.

[0003] The existing forced air cooling dry type transformer still has the following defects: in actual application, the installation and disassembly process of forced air cooling dry type transformer often faces many challenges.On the one hand, due to the large weight of transformer itself and the complex structure, it is usually necessary to use professional hoisting equipment and a large number of manpower to install it into the cabinet interior.On the other hand, the transformer often needs to be closely connected with the cabinet or other fixed structure when installing to ensure its stability and safety.This close connection usually involves a large number of screws and fasteners, which not only increases the difficulty of installation and disassembly, but also may cause damage to the structure of the transformer or affect its performance during installation or disassembly.In addition, with the development and upgrading of power system, the flexibility and maintainability of transformer are also increasingly required.The traditional screw installation method often leads to the need of a large amount of time and manpower for disassembly and reinstallation when the transformer needs to be maintained or replaced, which not only affects the normal operation of power system, but also increases the maintenance cost, and it is inconvenient to install and disassemble the transformer. UTILITY MODEL CONTENTS

[0004] In order to overcome the deficiencies of the prior art, the utility model provides forced air cooling dry type transformer with cabinet body, which can effectively solve the technical problem of inconvenient installation and disassembly of existing transformer.

[0005] The utility model discloses a forced air cooling dry-type transformer with a cabinet, which comprises a cabinet, a transformer body arranged in the cabinet, the transformer body comprising a core and a coil arranged around the core, and a wind channel arranged between adjacent cores, a plurality of air extractors arranged in the cabinet, an air inlet arranged at one end of the cabinet and communicated with the wind channel, an air outlet arranged at the other end of the cabinet and communicated with the wind channel, an insulating baffle arranged on the side of the transformer body to block the flow of air, when the air extractors work, air is extracted from the outside of the air inlet into the cabinet, the air is blown along the wind channel to the coil, and the air is discharged from the air outlet, a fixing base arranged at the bottom of the transformer body, a slide rail fixedly arranged on the inner wall of the cabinet, the slide rail extending along the inner wall of the cabinet, a slide groove formed in the slide rail, a fixing plate fixedly arranged on the inner wall of the slide rail, a movable groove formed in the fixing plate, the movable groove extending along the length direction of the fixing plate, a slide block arranged at the bottom of the fixing base and slidably connected with the slide rail, first rollers arranged on the two sides of the slide block and capable of rolling along the movable groove, and second rollers arranged at the bottom of the slide block and capable of rolling along the slide groove.

[0006] Further, a partition plate is arranged between the side of the transformer body and the inner wall of the cabinet to block the flow of air, and the partition plate is parallel to the insulating baffle.

[0007] Further, a support frame is arranged at the bottom of the transformer body to support the transformer body, and the bottom of the support frame is attached to the inner wall of the cabinet.

[0008] Further, the air extractors are symmetrically arranged.

[0009] Further, a copper bar is arranged at the bottom of the transformer body and is threadedly connected with the transformer body by screws.

[0010] Compared with the prior art, the forced air cooling dry-type transformer with a cabinet has the following advantages: the cabinet with a slide rail is arranged, the slide rail is internally provided with a slide groove and a movable groove, and a slide block, first rollers and second rollers are slidably connected with the slide rail, so that the transformer body and the fixing base can be conveniently slidably installed or dismounted along the slide rail, compared with the conventional installation of the transformer by using a large number of screws, the installation and dismounting process of the transformer is greatly simplified, the installation and dismounting efficiency is greatly improved, and the operation difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1The utility model discloses a schematic diagram of the internal structure of the forced air-cooled dry-type transformer with the cabinet body.

[0012] Figure 2 The utility model discloses a top view of the transformer body of the forced air-cooled dry-type transformer with the cabinet body.

[0013] Figure 3 The utility model discloses a schematic diagram of the connection of the fixed base and the cabinet of the forced air-cooled dry-type transformer with the cabinet body.

[0014] Figure 4 The utility model discloses a schematic diagram of the structure of the slide rail of the forced air-cooled dry-type transformer with the cabinet body.

[0015] Figure 5 The utility model discloses a schematic diagram of the structure of the slide rail of the forced air-cooled dry-type transformer with the cabinet body.

[0016] Marked in the drawing:

[0017] 1-cabinet;2-transformer body;3-baffle;4-air inlet;5-air outlet;6-exhaust fan;7-fixed base;8-outgoing copper row;9-support frame;10-slide rail;11-sliding block;12-insulating baffle;13-first roller;14-second roller;15-sliding groove;16-fixed plate;17-movable groove;18-coil;19-air duct. Specific implementation

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0019] For example, Figures 1-5As shown, the utility model provides a forced air cooling dry type transformer with cabinet, including rack 1, be equipped with transformer body 2 in rack 1, transformer body 2 includes iron core (not shown) and coil 18 around setting in iron core (not shown), in this embodiment, coil 18 is provided with three groups, and the adjacent iron core (not shown) between leaves the wind channel 19 of conduction, the inside of rack 1 is equipped with several exhaust fans 6, one end of rack 1 is provided with the air inlet 4 of conduction with wind channel 19, the other end of rack 1 is provided with the air outlet 5 of conduction with wind channel 19, the side of transformer body 2 is equipped with the insulating baffle 12 for blocking wind flow, when exhaust fan 6 works and carries out exhaust, from the outside of air inlet 4 exhaust enters rack 1, makes wind along wind channel 19 and blows to coil 18, makes wind from air outlet 5 and exports, the bottom of transformer body 2 is provided with fixed base 7, the inner wall of rack 1 is fixedly provided with slide rail 10, slide rail 10 extends along the inner wall of rack 1, the inside of slide rail 10 is recessed and forms slide groove 15, slide groove 15 extends along the length direction of slide rail 10, the inner wall of slide rail 10 is fixedly provided with fixed plate 16, the inside of fixed plate 16 is recessed and forms movable slot 17, movable slot 17 extends along the length direction of fixed plate 16, the bottom of fixed base 7 is provided with sliding block 11, sliding block 11 is connected with slide rail 10 slidingly, the both sides of sliding block 11 are provided with first roller 13 that can roll along movable slot 17, the bottom of sliding block 11 is provided with second roller 14 that can roll along slide groove 15.

[0020] The side of transformer body 2 and the inner wall of rack 1 are provided with a baffle 3 for blocking wind flow, the baffle 3 and the insulating baffle 12 are parallel to each other, the bottom of the transformer body 2 is provided with a support frame 9 for supporting the transformer body 2, the bottom of the support frame 9 is in close contact with the inner wall of the rack 1, the adjacent exhaust fans 6 are symmetrically arranged, the bottom of the transformer body 2 is provided with a copper bar 8, the copper bar 8 is threadedly connected with the transformer body 2 by screws, the copper bar 8 can connect external devices or power supply.

[0021] In this embodiment, when the exhaust fan 6 works and performs exhaust, air from the outside of the air inlet 4 enters the rack 1, the wind blows to the coil 18 along the wind channel 19, and the wind is discharged from the air outlet 5, the transformer body 2 is cooled, and the hot air generated after cooling is discharged from the air outlet 5 outside the rack 1, thereby forming a complete cooling cycle, the baffle 3 and the insulating baffle 12 are arranged to block the flow of air from the outside of the transformer body 2, preventing a large amount of air from flowing out of the side of the cabinet, which causes poor cooling effect of the transformer body 2, and the baffle 3 and the insulating baffle 12 can achieve rapid cooling effect of the transformer body 2.

[0022] The forced air-cooled dry-type transformer with the cabinet body of the embodiment is provided with the cabinet 1 with the slide rail 10, the slide groove 15 and the movable groove 17 are arranged in the slide rail 10, the slide block 11, the first roller 13 and the second roller 14 are in sliding connection with the slide rail 10, so that the transformer body 2 and the fixed base 7 can be conveniently installed or disassembled along the slide rail 10, compared with the conventional installation of the transformer using a large number of screws, the installation and disassembly process of the transformer is greatly simplified, the installation and disassembly efficiency is greatly improved, and the operation difficulty is reduced.

[0023] During installation, the transformer body 2 and the fixed base 7 are pushed into the cabinet 1 along the slide rail 10 of the inner wall of the cabinet 1 until reaching the predetermined installation position, without using a large number of screws and fasteners for installation, during disassembly, the transformer body 2 is only needed to be pulled out of the cabinet 1 along the slide rail 10.

[0024] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application, and any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A forced-air-cooled dry-type transformer with a cabinet, comprising a cabinet, wherein the cabinet houses the transformer body, the transformer body including an iron core and coils surrounding the iron core, and a conductive air duct is provided between adjacent iron cores. The cabinet is equipped with several exhaust fans, one end of the cabinet has an air inlet communicating with the air duct, and the other end of the cabinet has an air outlet communicating with the air duct. An insulating baffle plate is installed on the side of the transformer body to block airflow. When the exhaust fans operate, air is drawn into the cabinet from the outside of the air inlet, causing the air to blow along the air duct towards the coils, and then discharged from the air outlet. The transformer body is characterized by: The bottom of the transformer body is provided with a fixing base, the inner wall of the cabinet is fixedly provided with a sliding rail, the sliding rail extends along the inner wall of the cabinet, the inner part of the sliding rail is recessed to form a sliding groove, the sliding groove extends along the length direction of the sliding rail, the inner wall of the sliding rail is fixedly provided with a fixing plate, the inner part of the fixing plate is recessed to form a movable slot, the movable slot extends along the length direction of the fixing plate, the bottom of the fixing base is provided with a sliding block, the sliding block is slidably connected with the sliding rail, the two sides of the sliding block are provided with first rollers which can roll along the movable slot, and the bottom of the sliding block is provided with a second roller which can roll along the sliding groove.

2. The forced air-cooled dry-type transformer with a cabinet according to claim 1, characterized in that: The side surface of the transformer body and the inner wall of the cabinet are provided with a baffle for blocking the wind flow, and the baffle and the insulating baffle are parallel to each other.

3. The forced air-cooled dry-type transformer with a cabinet according to claim 1, characterized in that: The bottom of the transformer body is provided with a support frame for supporting the transformer body, and the bottom of the support frame is matched with the inner wall of the cabinet.

4. The forced air cooled dry-type transformer with a cabinet according to claim 1, characterized in that: The adjacent air exhaust fans are symmetrically arranged.

5. The forced air-cooled dry-type transformer with a cabinet according to any one of claims 1 to 4, characterized in that: The bottom of the transformer body is provided with an outgoing copper bar, and the outgoing copper bar is threadedly connected with the transformer body through a screw.

Images