Shielded transformer high voltage protective cover

Abstract

The present invention relates to a shielded transformer high-voltage protective cover, belonging to the field of power equipment. The present invention comprises an upper shielding cover and a lower shielding cover, wherein the upper shielding cover is mounted on the lower shielding cover, the upper shielding cover comprises a rubber patch, an upper baffle and an upper transparent cover, the lower shielding cover comprises a lower baffle and a lower transparent cover, the rubber patch and the upper baffle are both mounted on the upper transparent cover, the lower baffle is mounted on the lower transparent cover, a claw is provided on the lower transparent cover, the upper transparent cover is mounted on the lower transparent cover, a rotating shaft is provided on the upper transparent cover, an axial hole is provided on the lower transparent cover, the rotating shaft is installed in the axial hole, an adjusting groove is provided on the upper transparent cover, an adjusting boss is provided on the lower transparent cover, the adjusting boss is located in the adjusting groove, the number of the adjusting grooves is multiple, and the adjusting boss is located in any one of the adjusting grooves.

Description

Technical Field

[0001] The invention relates to a shielded transformer high-voltage protective cover, belonging to the field of electric power equipment. Background Art

[0002] A transformer is a static electrical device that transmits AC power by exchanging AC voltage and current. It can be divided into power transformers, test transformers, instrument transformers and special-purpose transformers according to their uses. Among them, power transformers are necessary equipment for power transmission and distribution and power distribution to power users. The transformer high-voltage protective cover in the prior art has the following disadvantages:

[0003] 1. The traditional high-voltage protective cover of the distribution network transformer is made of rubber material. The shielding cover is non-transparent and the equipment defects cannot be directly seen.

[0004] 2. Traditional rubber transformer high-voltage protective covers are prone to aging.

[0005] 3. The traditional transformer high-voltage protective cover cannot be installed with the operating rod energized.

[0006] 4. The shielding angle of the traditional transformer high-voltage protective cover at the wiring point is fixed, and it lacks adaptability to wiring at different angles.

[0007] In view of this, an insulating protective cover and an installation fixture for the high-voltage side of a power transformer are disclosed in the patent document with application number CN202020440697.5. Summary of the invention

[0008] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a shielded transformer high voltage protective cover with a reasonable structural design.

[0009] The technical solution adopted by the present invention to solve the above-mentioned problem is: the shielded transformer high-voltage protective cover has the following structural features: it includes an upper shielding cover and a lower shielding cover, the upper shielding cover is installed on the lower shielding cover, the upper shielding cover includes a rubber patch, an upper baffle and an upper transparent cover, the lower shielding cover includes a lower baffle and a lower transparent cover, the rubber patch and the upper baffle are both installed on the upper transparent cover, the lower baffle is installed on the lower transparent cover, the lower transparent cover is provided with claws, the upper transparent cover is installed on the lower transparent cover, the upper transparent cover is provided with a rotating shaft, the lower transparent cover is provided with an axial hole, the rotating shaft is installed in the axial hole, the upper transparent cover is provided with an adjustment groove, the lower transparent cover is provided with an adjustment boss, and the adjustment boss is located in the adjustment groove.

[0010] Furthermore, there are multiple adjustment grooves, and the adjustment boss is located in any one of the adjustment grooves.

[0011] Furthermore, an upper baffle limiting groove is provided on the upper transparent cover, an upper baffle positioning hole is provided on the side wall of the upper baffle limiting groove, an upper baffle limiting block is provided on the upper baffle, an upper baffle positioning block is provided on the upper baffle limiting block, the upper baffle limiting block is located in the upper baffle limiting groove, and the upper baffle positioning block is located in the upper baffle positioning hole.

[0012] Furthermore, a rubber patch buckle is provided on the rubber patch, a rubber patch slot is provided on the upper transparent cover, and the rubber patch buckle is located in the rubber patch slot.

[0013] Furthermore, the upper transparent cover is provided with exhaust holes.

[0014] Furthermore, a lower baffle limiting groove is provided on the lower transparent cover, a lower baffle positioning hole is provided on the side wall of the lower baffle limiting groove, a lower baffle limiting block is provided on the lower baffle, a lower baffle positioning block is provided on the lower baffle limiting block, the lower baffle limiting block is located in the lower baffle limiting groove, and the lower baffle positioning block is located in the lower baffle positioning hole.

[0015] Furthermore, a connecting boss is provided on the lower transparent cover, and the connecting boss is connected to the operating tool.

[0016] Furthermore, the claw is clamped on the transformer insulator.

[0017] Furthermore, the installation steps of the shielded transformer high voltage protective cover are as follows:

[0018] S1. Install the rubber patch on the upper transparent cover;

[0019] S2. Install the upper baffle on the upper transparent cover;

[0020] S3, installing the lower baffle on the lower transparent cover;

[0021] S4, assemble the upper shielding cover and the lower shielding cover together and adjust the required angle;

[0022] S5. Install the shielded transformer high-voltage protective cover on the transformer insulator.

[0023] Furthermore, in S1, the rubber patch is connected to the upper transparent cover through the rubber patch buckle and the rubber patch slot; in S2, the upper baffle plate and the upper transparent cover are connected through the upper baffle plate limiting groove, the upper baffle plate positioning hole, the upper baffle plate limiting block and the upper baffle plate positioning block; in S3, the lower baffle plate and the lower transparent cover are connected through the lower baffle plate limiting groove, the lower baffle plate positioning hole, the lower baffle plate limiting block and the lower baffle plate positioning block; in S4, the upper shielding cover and the lower shielding cover are connected through the rotating shaft and the shaft hole, and are fixed by the adjusting groove and the adjusting boss; in S5, the claws are clamped on the transformer insulator.

[0024] Compared with the prior art, the present invention has the following advantages: the shielded transformer high-voltage protective cover is used to shield the high-voltage side connection of the transformer, thereby preventing power outages caused by small animals or debris, and will not hinder the line of sight of patrol personnel, making it easy to observe equipment defects and measure temperature.

[0025] The shielded transformer high-voltage protective cover: 1. It realizes the installation of the insulating operating rod under power, which is safer and applicable to a wider range of scenarios; 2. It is more adaptable and compatible with different wiring angles on the high-voltage side of the transformer; 3. The three-claw fixing mechanism is easy to install and fix firmly and reliably; 4. The installation of the upper baffle and the bottom baffle makes the shielding effect better. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic side structural diagram of a shielded transformer high voltage protective cover according to an embodiment of the present invention.

[0027] Figure 2 yes Figure 1 Schematic diagram of the AA section structure.

[0028] Figure 3 It is a schematic diagram of the explosion structure of the shielded transformer high-voltage protective cover according to an embodiment of the present invention.

[0029] Figure 4 It is a schematic diagram of the explosion structure of the shielded transformer high-voltage protective cover according to an embodiment of the present invention.

[0030] Figure 5 It is a schematic diagram of the three-dimensional structure of the shielded transformer high-voltage protection cover according to an embodiment of the present invention.

[0031] Figure 6 The invention discloses a schematic diagram of the structure of a shielded transformer high voltage protective cover according to an embodiment of the invention.

[0032] Figure 7 It is a schematic diagram of the exploded structure of the lower shielding cover according to an embodiment of the present invention.

[0033] Figure 8 It is a schematic side view of the structure of the lower shielding cover according to an embodiment of the present invention.

[0034] Fig. 9 yes Figure 8 Schematic diagram of the BB cross-section structure.

[0035] Fig.10 It is a schematic diagram of the three-dimensional structure of the lower transparent cover according to an embodiment of the present invention.

[0036] Fig.11 It is a schematic side structural diagram of a lower baffle according to an embodiment of the present invention.

[0037] Fig.121 is a schematic side view of the upper shielding cover according to an embodiment of the present invention.

[0038] Fig.13 yes Fig.12 Schematic diagram of the CC cross-section structure.

[0039] Fig.14 It is a schematic diagram of the three-dimensional structure of the rubber patch according to an embodiment of the present invention.

[0040] Fig.15 It is a schematic diagram of the side structure of the upper baffle according to an embodiment of the present invention.

[0041] Fig.16 It is a schematic diagram of the explosion structure of the upper shielding cover according to an embodiment of the present invention.

[0042] In the figure: upper shielding cover 1, lower shielding cover 2, transformer insulator 3,

[0043] Rubber patch 11, upper baffle 12, upper transparent cover 13, rotating shaft 14, adjusting groove 15, upper baffle limiting groove 16, upper baffle positioning hole 17, upper baffle limiting block 18, upper baffle positioning block 19, rubber patch buckle 110, rubber patch slot 111, exhaust hole 112,

[0044] The lower baffle plate 21 , the lower transparent cover 22 , the claw 23 , the shaft hole 24 , the adjusting boss 25 , the lower baffle plate limiting groove 26 , the lower baffle plate positioning hole 27 , the lower baffle plate limiting block 28 , the lower baffle plate positioning block 29 , and the connecting boss 210 . DETAILED DESCRIPTION

[0045] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0046] Example

[0047] See also Figures 1 to 16 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0048] The shielded transformer high-voltage protective cover in this embodiment includes an upper shielding cover 1 and a lower shielding cover 2. The upper shielding cover 1 is installed on the lower shielding cover 2. The upper shielding cover 1 includes a rubber patch 11, an upper baffle 12 and an upper transparent cover 13. The lower shielding cover 2 includes a lower baffle 21 and a lower transparent cover 22. The rubber patch 11 and the upper baffle 12 are both installed on the upper transparent cover 13.

[0049] The lower baffle 21 in this embodiment is installed on the lower transparent cover 22, and the lower transparent cover 22 is provided with a claw 23, and the claw 23 is clamped on the transformer insulator 3. The upper transparent cover 13 is installed on the lower transparent cover 22, and the upper transparent cover 13 is provided with a rotating shaft 14. The lower transparent cover 22 is provided with an axis hole 24, and the rotating shaft 14 is installed in the axis hole 24.

[0050] In this embodiment, an adjustment groove 15 is provided on the upper transparent cover 13 , and an adjustment boss 25 is provided on the lower transparent cover 22 . The adjustment boss 25 is located in the adjustment groove 15 . There are multiple adjustment grooves 15 , and the adjustment boss 25 is located in any one of the adjustment grooves 15 .

[0051] In this embodiment, an upper baffle limiting groove 16 is provided on the upper transparent cover 13, an upper baffle positioning hole 17 is provided on the side wall of the upper baffle limiting groove 16, an upper baffle limiting block 18 is provided on the upper baffle 12, an upper baffle positioning block 19 is provided on the upper baffle limiting block 18, the upper baffle limiting block 18 is located in the upper baffle limiting groove 16, and the upper baffle positioning block 19 is located in the upper baffle positioning hole 17.

[0052] In this embodiment, a rubber patch buckle 110 is provided on the rubber patch 11 , a rubber patch slot 111 is provided on the upper transparent cover 13 , the rubber patch buckle 110 is located in the rubber patch slot 111 , and an exhaust hole 112 is provided on the upper transparent cover 13 .

[0053] In this embodiment, a lower baffle limiting groove 26 is provided on the lower transparent cover 22, a lower baffle positioning hole 27 is provided on the side wall of the lower baffle limiting groove 26, a lower baffle limiting block 28 is provided on the lower baffle 21, a lower baffle positioning block 29 is provided on the lower baffle limiting block 28, the lower baffle limiting block 28 is located in the lower baffle limiting groove 26, the lower baffle positioning block 29 is located in the lower baffle positioning hole 27, and a connecting boss 210 is provided on the lower transparent cover 22, and the connecting boss 210 is connected to the operating tool.

[0054] Specifically, Figure 12-16 As shown, the rubber patch 11 is fixed on the upper transparent cover 13 by means of a rubber patch buckle 110 and a rubber patch slot 111, and the upper baffle 12 is fixed on the upper transparent cover 13 by means of an upper baffle limiting groove 16, an upper baffle positioning hole 17, an upper baffle limiting block 18 and an upper baffle positioning block 19. The upper shielding cover 1 should be assembled before use.

[0055] like Figure 8-11 As shown, similarly, before use, the lower baffle 21 is first fixedly assembled on the lower transparent cover 22 through the lower baffle limiting groove 26, the lower baffle positioning hole 27, the lower baffle limiting block 28 and the lower baffle positioning block 29.

[0056] Practical use such as " Figure 5-6 ” As shown, the upper end of the upper transparent cover 13 is connected to the lower end of the lower transparent cover 22 through a spherical joint, and the rotating shaft 14 is installed in the shaft hole 24, and is fixed and self-locked by adjusting the groove 15 and the adjusting boss 25. The shielded transformer high-voltage protective cover is installed on the transformer insulator 3 using an existing special operating rod tool, and is fixed by the claw 23 at the lower end of the lower transparent cover 22; the adjusting boss 25 can be inserted into any one of the adjusting grooves 15 according to the actual work needs to achieve the adjustment of the angles of the upper shielding cover 1 and the lower shielding cover 2.

[0057] The installation steps of the shielded transformer high voltage protective cover are as follows:

[0058] S1. Install the rubber patch 11 on the upper transparent cover 13. The rubber patch 11 and the upper transparent cover 13 are connected via the rubber patch buckle 110 and the rubber patch slot 111.

[0059] S2, installing the upper baffle 12 on the upper transparent cover 13, the upper baffle 12 and the upper transparent cover 13 are connected through the upper baffle limiting groove 16, the upper baffle positioning hole 17, the upper baffle limiting block 18 and the upper baffle positioning block 19.

[0060] S3, installing the lower baffle 21 on the lower transparent cover 22, the lower baffle 21 and the lower transparent cover 22 are connected through the lower baffle limiting groove 26, the lower baffle positioning hole 27, the lower baffle limiting block 28 and the lower baffle positioning block 29.

[0061] S4, the upper shielding cover 1 and the lower shielding cover 2 are assembled together and adjusted to the required angle. The upper shielding cover 1 and the lower shielding cover 2 are connected through the rotating shaft 14 and the shaft hole 24, and fixed through the adjusting groove 15 and the adjusting boss 25.

[0062] S5. The shielded transformer high-voltage protective cover is installed on the transformer insulator 3, and the claws 23 are clamped on the transformer insulator 3.

[0063] The shielded transformer high-voltage protective cover: 1. It realizes the installation of the insulating operating rod under power, which is safer and applicable to a wider range of scenarios; 2. It is more adaptable and compatible with different wiring angles on the high-voltage side of the transformer; 3. The three-claw fixing mechanism is easy to install and fix firmly and reliably; 4. The installation of the upper baffle and the bottom baffle makes the shielding effect better.

[0064] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the present invention. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention. Technicians in the technical field of the present invention can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A shielded transformer high voltage protective cover, characterized in that: The invention comprises an upper shielding cover (1) and a lower shielding cover (2), wherein the upper shielding cover (1) is mounted on the lower shielding cover (2), the upper shielding cover (1) comprises a rubber patch (11), an upper baffle (12) and an upper transparent cover (13), the lower shielding cover (2) comprises a lower baffle (21) and a lower transparent cover (22), the rubber patch (11) and the upper baffle (12) are both mounted on the upper transparent cover (13), the lower baffle (21) is mounted on the lower transparent cover (22), and the lower transparent cover ( The upper transparent cover (13) is provided with a claw (23), the upper transparent cover (13) is mounted on the lower transparent cover (22), the upper transparent cover (13) is provided with a rotating shaft (14), the lower transparent cover (22) is provided with an axial hole (24), the rotating shaft (14) is mounted in the axial hole (24), the upper transparent cover (13) is provided with an adjusting groove (15), the lower transparent cover (22) is provided with an adjusting boss (25), and the adjusting boss (25) is located in the adjusting groove (15).

2. The shielded transformer high voltage protective cover according to claim 1, characterized in that: There are multiple adjustment grooves (15), and the adjustment boss (25) is located in any one of the adjustment grooves (15).

3. The shielded transformer high voltage protective cover according to claim 1 is characterized in that: An upper baffle limiting groove (16) is provided on the upper transparent cover (13), an upper baffle positioning hole (17) is provided on the side wall of the upper baffle limiting groove (16), an upper baffle limiting block (18) is provided on the upper baffle (12), an upper baffle positioning block (19) is provided on the upper baffle limiting block (18), the upper baffle limiting block (18) is located in the upper baffle limiting groove (16), and the upper baffle positioning block (19) is located in the upper baffle positioning hole (17).

4. The shielded transformer high voltage protective cover according to claim 1, characterized in that: The rubber patch (11) is provided with a rubber patch buckle (110), the upper transparent cover (13) is provided with a rubber patch slot (111), and the rubber patch buckle (110) is located in the rubber patch slot (111).

5. The shielded transformer high voltage protective cover according to claim 1, characterized in that: The upper transparent cover (13) is provided with an exhaust hole (112).

6. The shielded transformer high voltage protective cover according to claim 1, characterized in that: The lower transparent cover (22) is provided with a lower baffle plate limiting groove (26), a side wall of the lower baffle plate limiting groove (26) is provided with a lower baffle plate positioning hole (27), the lower baffle plate (21) is provided with a lower baffle plate limiting block (28), a lower baffle plate positioning block (29) is provided on the lower baffle plate limiting block (28), the lower baffle plate limiting block (28) is located in the lower baffle plate limiting groove (26), and the lower baffle plate positioning block (29) is located in the lower baffle plate positioning hole (27).

7. The shielded transformer high voltage protective cover according to claim 1, characterized in that: A connecting boss (210) is provided on the lower transparent cover (22), and the connecting boss (210) is connected to an operating tool.

8. The shielded transformer high voltage protective cover according to claim 1, characterized in that: The clamping claw (23) is clamped on the transformer insulator (3).

9. The shielded transformer high voltage protective cover according to claim 1, characterized in that: The installation steps of the shielded transformer high voltage protective cover are as follows: S1, installing the rubber patch (11) on the upper transparent cover (13); S2, installing the upper baffle (12) on the upper transparent cover (13); S3, installing the lower baffle (21) on the lower transparent cover (22); S4, assembling the upper shielding cover (1) and the lower shielding cover (2) together and adjusting the required angle; S5. Install the shielded transformer high-voltage protective cover on the transformer insulator (3).

10. The shielded transformer high voltage protective cover according to claim 9, characterized in that: In S1, the rubber patch (11) is connected to the upper transparent cover (13) via a rubber patch buckle (110) and a rubber patch slot (111); In S2, the upper baffle (12) and the upper transparent cover (13) are connected via the upper baffle limiting groove (16), the upper baffle positioning hole (17), the upper baffle limiting block (18) and the upper baffle positioning block (19); In S3, the lower baffle (21) and the lower transparent cover (22) are connected via the lower baffle limiting groove (26), the lower baffle positioning hole (27), the lower baffle limiting block (28) and the lower baffle positioning block (29); In S4, the upper shielding cover (1) and the lower shielding cover (2) are connected via the rotating shaft (14) and the shaft hole (24), and are fixed via the adjusting groove (15) and the adjusting boss (25); In S5, the claw (23) is clamped on the transformer insulator (3).

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