Dry-type transformer shell

Abstract

A dry-type transformer shell comprises an outer frame, a sealing plate and a door plate assembly, the outer frame is provided with a first installation position and a second installation position, the sealing plate is installed on the first installation position, the door plate assembly is installed on the second installation position, the outer frame comprises cross beam sectional material pieces and stand column sectional material pieces, and the cross beam sectional material pieces are connected through three-way connectors. And the cross beam sectional material pieces and the upright column sectional material pieces are connected through connecting pieces, and the upright column sectional material pieces are connected through connecting pieces. The outer frame, the sealing plate and the door plate assembly are arranged, the outer frame is a supporting part of the dry-type transformer shell, the structural strength of the dry-type transformer shell can be improved, the first installation position and the second installation position are arranged on the outer frame, the sealing plate is installed on the first installation position, and the door plate assembly is installed on the second installation position. By means of the installation structure, the overall weight of the dry-type transformer shell is lighter, the cross beam sectional material pieces and the stand column sectional material pieces are made of aluminum alloy materials, and the aluminum alloy materials have the advantages of being light in weight, high in strength, resistant to corrosion, good in heat dissipation performance and the like.

Description

Technical Field

[0001] This utility model relates to the field of transformer technology, and in particular to a dry-type transformer casing. Background Technology

[0002] Chinese patent document CN210667984U, published on June 2, 2020, discloses a dry-type transformer housing, comprising a shell and a base. The shell includes multiple side walls; one of the side walls has two forklift holes at its lower part; two load-bearing plates are disposed inside the shell; the load-bearing plates correspond one-to-one with the forklift holes; the bottom surface of each load-bearing plate is located within the projection area of ​​the corresponding forklift hole into the shell. This dry-type transformer housing is heavy, has moderate structural strength, and insufficient corrosion resistance.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of this utility model is to provide a dry-type transformer housing that is simple in structure, lightweight, high in strength, has good corrosion resistance, and is highly practical, so as to overcome the shortcomings of the prior art.

[0005] A dry-type transformer housing designed for this purpose is characterized by comprising an outer frame, a sealing plate, and a door panel assembly. The outer frame is provided with a first mounting position and a second mounting position. The sealing plate is mounted on the first mounting position, and the door panel assembly is mounted on the second mounting position. The outer frame includes crossbeam profiles and column profiles. The crossbeam profiles are connected to each other by a tee joint, and the crossbeam profiles and column profiles, as well as the column profiles, are connected by connectors.

[0006] The column profiles include end-plate column profiles and door panel column profiles. The connectors include T-type connectors and I-type connectors. The beam profiles and end-plate column profiles are connected by T-type connectors, and the end-plate column profiles and door panel column profiles are connected by I-type connectors.

[0007] The first installation position is formed between the beam profile and the end plate column profile, and between the beam profile, the end plate column profile and the door panel column profile; the second installation position is formed between the end plate column profile and the door panel column profile.

[0008] The tee connector is equipped with a plug connector, and the crossbeam profile is equipped with a plug hole. The plug connector and the plug hole are plugged into each other.

[0009] The crossbeam profile is provided with a first fixing hole, and the plug is provided with a second fixing hole. The first fastener passes through the first fixing hole and is then fastened to the second fixing hole to connect the tee connector and the crossbeam profile.

[0010] The sealing plate is provided with a third fixing hole, and the first mounting position is provided with a fourth fixing hole. The second fastener passes through the third fixing hole and is then fastened to the fourth fixing hole to fix the sealing plate in the first mounting position.

[0011] The connector includes a first connecting plate and a second connecting plate. The first connecting plate has a fixing part corresponding to the position of the beam profile or column profile, and the fixing part has a fifth fixing hole. The second connecting plate has a sixth fixing hole. The beam profile and column profile have a seventh fixing hole and an opening. The third fastener passes through the fifth fixing hole, the opening and the sixth fixing hole in sequence and is then fastened to the seventh fixing hole to connect the beam profile and column profile, or to connect each column profile.

[0012] The door panel assembly includes door frame profiles, door frame connectors, and door panels. The door frame profiles are assembled to form a door frame, and the door panels are installed on the door frame. The two ends of the door frame profiles are respectively provided with diagonally arranged splicing parts. The splicing parts of two adjacent door frame profiles are connected by door frame connectors to connect the two adjacent door frame profiles.

[0013] The door panel assembly also includes a door panel fastener, which is located on the rear side of the door frame. The door panel fastener corresponds one-to-one with the door frame profile, and the door panel fastener is fixed on the door frame profile. An installation groove is provided between the door frame profile and the door panel fastener, and the door panel is fixed on the installation groove.

[0014] The beam profiles and column profiles are made of aluminum alloy.

[0015] The dry-type transformer housing of this utility model is constructed by setting an outer frame, a sealing plate, and a door panel assembly. The outer frame serves as the supporting part of the dry-type transformer housing, which can improve the structural strength of the housing. The outer frame is provided with a first mounting position and a second mounting position. The sealing plate is installed in the first mounting position, and the door panel assembly is installed in the second mounting position. This installation structure makes the overall weight of the dry-type transformer housing lighter, facilitating transportation and installation. The crossbeam profile and column profile are made of aluminum alloy. Aluminum alloy has the advantages of light weight, high strength, corrosion resistance, and good heat dissipation, which can improve the corrosion resistance of the dry-type transformer housing, resist the erosion of harsh environments, and significantly improve the overall performance and service life of the dry-type transformer. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the outer shell in one embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the overall structure of the outer frame in one embodiment of the present invention.

[0018] Figure 3 This is a cross-sectional view of the outer shell in one embodiment of the present invention.

[0019] Figure 4 for Figure 3 A magnified structural diagram of point A in the middle.

[0020] Figure 5 This is a schematic diagram of the overall structure of the sealing plate column profile in one embodiment of the present invention.

[0021] Figure 6 This is a schematic diagram of the overall structure of the door panel upright profile in one embodiment of the present utility model.

[0022] Figure 7 This is a schematic diagram of the overall structure of the three-way connector in one embodiment of the present invention.

[0023] Figure 8 This is a schematic diagram of the overall structure of the crossbeam profile in one embodiment of the present invention.

[0024] Figure 9 This is an exploded structural diagram of the T-shaped connector in one embodiment of the present invention.

[0025] Figure 10 This is an exploded structural diagram of the Type I connector in one embodiment of the present invention.

[0026] Figure 11 This is an exploded structural diagram of a door panel assembly in one embodiment of the present invention.

[0027] Figure 12 This is an exploded view of the door panel assembly in one embodiment of the present invention.

[0028] Figure 13 This is an exploded structural diagram of the door panel assembly from another position in one embodiment of the present invention.

[0029] Figure 14 This is a cross-sectional view of a door panel assembly in one embodiment of the present invention.

[0030] Figure 15 for Figure 14 A magnified structural diagram at point B in the middle. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] See Figures 1-15The outer casing of this dry-type transformer includes an outer frame 1, a sealing plate 2, and a door panel assembly 3. The outer frame 1 is provided with a first mounting position 4 and a second mounting position 5. The sealing plate 2 is installed on the first mounting position 4, and the door panel assembly 3 is installed on the second mounting position 5. The outer frame 1 includes crossbeam profiles 6 and column profiles. The crossbeam profiles 6 are connected to each other through a tee joint 7, and the crossbeam profiles 6 and the column profiles, as well as the column profiles, are connected by connectors. The sealing plate 2 includes a front sealing plate, a rear sealing plate, a left sealing plate, a right sealing plate, and a top sealing plate respectively provided on the front, rear, left, right, and top sides of the outer frame 1. By optimizing the design of the dry-type transformer casing structure, its compatibility and stability with dry-type transformers are improved.

[0033] The column profiles include end plate column profiles 8 and door panel column profiles 9. The connectors include T-type connectors 10 and I-type connectors 11. The beam profiles 6 and end plate column profiles 8 are connected by T-type connectors 10, and the end plate column profiles 8 and door panel column profiles 9 are connected by I-type connectors 11.

[0034] A first mounting position 4 is formed between the crossbeam profile 6 and the end plate column profile 8, and between the crossbeam profile 6, the end plate column profile 8 and the door panel column profile 9. A second mounting position 5 is formed between the end plate column profile 8 and the door panel column profile 9.

[0035] The tee connector 7 is provided with a plug connector 12, and the two ends of the crossbeam profile 6 are respectively provided with plug holes 13, and the plug connector 12 and the plug holes 13 are plugged into each other.

[0036] The crossbeam profile 6 is provided with a first fixing hole 14, and the plug connector 12 is provided with a second fixing hole 30. The first fastener passes through the first fixing hole 14 and is fastened to the second fixing hole 30 to connect the tee connector 7 and the crossbeam profile 6. The first fastener is an internal hexagonal head screw.

[0037] The sealing plate 2 is provided with a third fixing hole 15, and the first mounting position 4 (the crossbeam profile 6, the sealing plate column profile 8, and the door panel column profile 9) is provided with a fourth fixing hole 16. The second fastener passes through the third fixing hole 15 and is fastened to the fourth fixing hole 16 so that the sealing plate 2 is fixed on the first mounting position 4; the second fastener is a cross-shaped pan head self-tapping screw.

[0038] The connectors (T-type connector 10 and I-type connector 11) include a first connecting plate 17 and a second connecting plate 18. The first connecting plate 17 is provided with a fixing part 19 corresponding to the position of the beam profile 6 or the column profile (the end plate column profile 8 or the door panel column profile 9). The fixing part 19 is provided with a fifth fixing hole 20. The second connecting plate 18 is provided with a sixth fixing hole 21. The beam profile 6 and the column profile are provided with a seventh fixing hole (not shown in the figure) and an opening 22. The third fastener 23 passes through the fifth fixing hole 20, the opening 22 and the sixth fixing hole 21 in sequence and is then fastened to the seventh fixing hole. This is to connect the beam profile 6 and the column profile (the end plate column profile 8), or to connect each column profile (the end plate column profile 8 and the door panel column profile 9, each end plate column profile 8). The third fastener 23 is an internal hexagonal socket head cap screw.

[0039] The door panel assembly 3 includes door frame profiles 31, door frame connectors 24, and door panels 25. The door frame profiles 31 are assembled to form a door frame 26. The door panels 25 are installed on the door frame 26. Each end of the door frame profile 31 is provided with a diagonally arranged splicing part 27. The inclination angle of the splicing part 27 is 45°. The splicing parts 27 of two adjacent door frame profiles 31 are connected by the door frame connectors 24 to connect the two adjacent door frame profiles 31. The door frame connectors 24 are angle aluminum, which are located at the four corners of the door frame 26 to enhance the structural strength of the door panel assembly 3.

[0040] The door panel assembly 3 also includes a door panel fastener 28, which is located on the rear side of the door frame 26. The door panel fastener 28 corresponds one-to-one with the door frame profile 31, and the door panel fastener 28 is fixed on the door frame profile 31. An installation groove 29 is provided between the door frame profile 31 and the door panel fastener 28. The door panel 25 is fixed on the installation groove 29 and is sealed and fixed on the installation groove 29 by a sealing strip. The door panel fastener 28 is made of aluminum inside the door.

[0041] The door frame profile 31 is provided with a socket 32, and the door frame connector 24 is provided with a post 33. The post 33 and the socket 32 ​​are inserted into each other to connect two adjacent door frame profiles 31. The door panel fixing member 28 is provided with a snap-fit ​​rib 34, and the door frame profile 31 is provided with a snap-fit ​​interface 35. The snap-fit ​​rib 34 and the snap-fit ​​interface 35 are snapped together to fix the door panel fixing member 28 to the door frame profile 31.

[0042] The door frame 26 and the door panel upright profile 9 are hinged together by hinge 36.

[0043] When installing the door panel assembly 3, first, the door frame profile 31 is spliced ​​into the door frame 26 by the door frame connector 24, then the door panel 25 and sealing strip are installed, then the door panel fixing piece 28 is installed, and finally the door panel assembly 3 is installed on the second mounting position 5 by the hinge 36.

[0044] The bottom of the outer frame 1 is provided with a base plate 37, which is fixed to the crossbeam profile 6 by screws.

[0045] When installing the dry-type transformer casing, first connect the crossbeam profile 6 through the tee connector 7, then install the column profile through the T-type connector 10 and I-type connector 11. After the outer frame 1 is built, install the sealing plate 2, then install the door panel assembly 3, and finally install the bottom net, locks, warning signs and other accessories to complete the overall assembly.

[0046] The beam profile 6, column profile and door frame profile 31 are made of aluminum alloy.

[0047] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A dry-type transformer casing, characterized in that: The device includes an outer frame (1), a sealing plate (2), and a door panel assembly (3). The outer frame (1) is provided with a first mounting position (4) and a second mounting position (5). The sealing plate (2) is installed on the first mounting position (4), and the door panel assembly (3) is installed on the second mounting position (5). The outer frame (1) includes a crossbeam profile (6) and a column profile. The crossbeam profiles (6) are connected to each other by a tee connector (7). The crossbeam profiles (6) and the column profiles, and the column profiles are connected by connectors.

2. The dry-type transformer casing according to claim 1, characterized in that: The column profiles include the end plate column profile (8) and the door panel column profile (9). The connectors include the T-type connector (10) and the I-type connector (11). The beam profile (6) and the end plate column profile (8) are connected by the T-type connector (10), and the end plate column profile (8) and the door panel column profile (9) are connected by the I-type connector (11).

3. The dry-type transformer casing according to claim 2, characterized in that: A first mounting position (4) is formed between the beam profile (6) and the end plate column profile (8), and between the beam profile (6), the end plate column profile (8) and the door panel column profile (9). A second mounting position (5) is formed between the end plate column profile (8) and the door panel column profile (9).

4. The dry-type transformer casing according to claim 3, characterized in that: The tee connector (7) is provided with a plug connector (12), and the crossbeam profile (6) is provided with a plug hole (13). The plug connector (12) and the plug hole (13) are plugged into each other.

5. The dry-type transformer casing according to claim 4, characterized in that: The crossbeam profile (6) is provided with a first fixing hole (14), and the plug (12) is provided with a second fixing hole (30). The first fastener passes through the first fixing hole (14) and is fastened to the second fixing hole (30) to connect the tee connector (7) and the crossbeam profile (6).

6. The dry-type transformer casing according to claim 3, characterized in that: The sealing plate (2) is provided with a third fixing hole (15), and the first mounting position (4) is provided with a fourth fixing hole (16). The second fastener passes through the third fixing hole (15) and is fastened to the fourth fixing hole (16) so that the sealing plate (2) is fixed on the first mounting position (4).

7. The dry-type transformer casing according to claim 3, characterized in that: The connector includes a first connecting plate (17) and a second connecting plate (18). The first connecting plate (17) is provided with a fixing part (19) corresponding to the position of the beam profile (6) or the column profile. The fixing part (19) is provided with a fifth fixing hole (20). The second connecting plate (18) is provided with a sixth fixing hole (21). The beam profile (6) and the column profile are provided with a seventh fixing hole and an opening (22). The third fastener (23) passes through the fifth fixing hole (20), the opening (22) and the sixth fixing hole (21) in sequence and is then fastened to the seventh fixing hole. This is to connect the beam profile (6) and the column profile, or to connect each column profile.

8. The dry-type transformer casing according to claim 3, characterized in that: The door panel assembly (3) includes door frame profiles (31), door frame connectors (24) and door panels (25). Each door frame profile (31) is assembled to form a door frame (26). The door panel (25) is installed on the door frame (26). Each end of the door frame profile (31) is provided with a diagonally arranged splicing part (27). The splicing parts (27) of two adjacent door frame profiles (31) are connected by the door frame connectors (24) to connect the two adjacent door frame profiles (31).

9. The dry-type transformer casing according to claim 8, characterized in that: The door panel assembly (3) also includes a door panel fastener (28), which is located on the rear side of the door frame (26). The door panel fastener (28) corresponds one-to-one with the door frame profile (31), and the door panel fastener (28) is fixed on the door frame profile (31). An installation groove (29) is provided between the door frame profile (31) and the door panel fastener (28), and the door panel (25) is fixed on the installation groove (29).

10. The housing of a dry-type transformer according to any one of claims 1-9, characterized in that: The beam profile (6) and the column profile are made of aluminum alloy.

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