An intelligent protection combined mutual inductor

Abstract

The present invention discloses an intelligent protection combined transformer, which belongs to the technical field of high-voltage power system, and comprises a combined transformer body, wherein the combined transformer body comprises a box, and the first terminal, the second terminal and the third terminal are fixedly installed on the top of the box, and the second terminal is located between the first terminal and the third terminal, and an intelligent unloading pressure valve is installed between the first terminal, the third terminal and the second terminal. In the present invention, it is possible to realize timely protection against lightning strikes, high-voltage grounding, main insulation damage caused by long-term use of products due to insulation aging, product interlayer insulation, interturn insulation damage leading to product burning, and intelligent power-off before explosion while realizing high-voltage metering of electric power, thereby avoiding accidents and their expansion, and effectively realizing the protection of power equipment, transmission lines and people's lives and property, and the spacing between the two fixed blocks can be conveniently adjusted, which is convenient for installation.

Description

Technical Field

[0001] The invention belongs to the technical field of high-voltage power systems, and in particular relates to an intelligent protection combined transformer. Background Art

[0002] With the continuous expansion and capacity increase of power demand load, 6~35KV and above high-voltage power transmission and transformation penetrate into urban centers and densely populated areas. When the transformer encounters lightning strikes, insulation aging, and grounding of high-voltage lines, the transformer will be burned or even exploded, causing a large-scale power outage of the entire line and the corresponding power supply trunk line. At the same time, the burning and explosion of the transformer will cause great damage to people's lives and property, which has always been a headache for the power department. When installing the transformer, the distance between the two fixed blocks at the bottom of the transformer cannot be adjusted, which makes the installation practical and cannot meet the needs of users.

[0003] Therefore, there is an urgent need for an intelligent protection combined mutual inductor that can avoid accidents and their expansion, effectively protect power equipment, transmission lines and people's lives and property, and is also convenient to install. Summary of the invention

[0004] The purpose of the present invention is to realize timely protection against lightning strikes, high-voltage grounding, main insulation damage caused by long-term use of products due to insulation aging, product interlayer insulation, interturn insulation damage causing product burning, and intelligent power-off of high voltage before explosion while achieving high-voltage metering of electric power, thereby avoiding accidents and their expansion, effectively realizing protection of power equipment, transmission lines and people's lives and property, and the spacing between the two fixed blocks can be easily adjusted for easy installation.

[0005] The technical solution adopted by the present invention is as follows: an intelligent protection combined transformer, comprising a combined transformer body, the combined transformer body comprising a box, a first wiring terminal, a second wiring terminal and a third wiring terminal are fixedly installed on the top of the box, and the second wiring terminal is located between the first wiring terminal and the third wiring terminal, and an intelligent unloading pressure valve is installed between the first wiring terminal and the third wiring terminal and the second wiring terminal;

[0006] A bottom plate is fixedly installed at the bottom of the combined transformer body, a movable groove is opened in the bottom plate, and a limiting groove connected with the movable groove is opened at the bottom of the bottom plate, two sliders are slidably arranged in the movable groove, two connecting blocks are fixedly installed at the bottom of the two sliders, the two connecting blocks are located in the limiting groove, and two fixed blocks are fixedly installed at the bottom of the two connecting blocks, two screw rods are fixedly installed on the corresponding sides of the two sliders, and two bidirectional wire tubes are provided on the corresponding ends of the two screw rods, and a driven wheel is fixedly installed on the outer wall of the bidirectional wire tube, two supporting blocks are fixedly installed at the bottom of the bottom plate, a cross bar is rotatably arranged between the two supporting blocks, and a driving wheel is fixedly installed on the outer wall of the cross bar between the two supporting blocks, the driving wheel and the driven wheel are connected by a chain, and one end of the cross bar passes through one of the supporting blocks and a hand wheel is fixedly installed.

[0007] Furthermore, an annular groove is provided on the outer wall of the bidirectional wire tube, a ring block is rotatably arranged in the annular groove, a vertical rod is fixedly installed on the top of the ring block, and the top of the vertical rod is fixedly connected to the inner wall of the movable groove.

[0008] Furthermore, a transverse plate is fixedly mounted on one side of the two fixing blocks, and a positioning bolt is connected to the inner thread of the transverse plate, and the top of the positioning bolt is in contact with the bottom plate.

[0009] Furthermore, a mounting handle is fixedly mounted on the outer wall of the bottom plate, and a circular hole is formed in the mounting handle.

[0010] Furthermore, reinforcement blocks are fixedly installed on the front and back sides of the box body, and the reinforcement blocks are fixedly connected to the bottom plate.

[0011] Furthermore, a secondary terminal board is fixedly installed on the front side of the box.

[0012] Furthermore, a high-voltage intelligent protector is fixedly installed in the second wiring terminal and the intelligent unloading pressure valve.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0014] In the present invention, it is possible to realize timely protection against lightning strikes, high-voltage grounding, main insulation damage caused by long-term use of products due to insulation aging, product interlayer insulation, interturn insulation damage causing product burning, and intelligent power-off of high voltage before explosion, while achieving high-voltage metering of electric power, thereby avoiding accidents and their expansion, and effectively realizing protection of power equipment, transmission lines and people's lives and properties. The user can turn the handwheel with the same hand to rotate the bidirectional wire tube, thereby making the two screw rods approach or move away, driving the two sliders to move, and realizing adjustment of the spacing between the two fixed blocks, which is convenient for installers to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 is a schematic diagram of the back side of the present invention;

[0017] Figure 3 is a side view of the present invention;

[0018] Figure 4 A bottom view of the base plate of the present invention;

[0019] Figure 5 It is a schematic diagram of the structure inside the bottom plate of the present invention;

[0020] Figure 6 It is a schematic diagram of a bidirectional wire tube of the present invention;

[0021] Figure 7 For the present invention Figure 5 Enlarged view of point A in the middle.

[0022] Markings in the figure: 1. Combined transformer body; 101. Box; 102. First terminal; 103. Second terminal; 104. Third terminal; 105. Secondary terminal board; 106. Reinforcement block; 107. Intelligent unloading pressure valve; 2. Bottom plate; 201. Limiting groove; 202. Movable groove; 3. Mounting handle; 4. Connecting block; 5. Screw rod; 6. Bidirectional wire tube; 601. Ring groove; 7. Ring block; 8. Slider; 9. Vertical rod; 10. Horizontal plate; 11. Positioning bolt; 12. Fixed block; 13. Driven wheel; 14. Support block; 15. Driving wheel; 16. Chain; 17. Horizontal rod; 18. Handwheel. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] Embodiment 1, refer to Figure 1-3: An intelligent protection combined transformer, including a combined transformer body 1, the combined transformer body 1 includes a box 101, the top of the box 101 is fixedly installed with a first terminal 102, a second terminal 103 and a third terminal 104, and the second terminal 103 is located between the first terminal 102 and the third terminal 104, and an intelligent unloading pressure valve 107 is installed between the first terminal 102 and the third terminal 104 and the second terminal 103, the front and back of the box 101 are fixedly installed with a reinforcement block 106, and the reinforcement block 106 is fixedly connected to the bottom plate 2, the front of the box 101 is fixedly installed with a secondary terminal board 105, and the second terminal 103 and the intelligent unloading pressure valve 107 are fixedly installed with a high-voltage intelligent protector The first terminal 102, the second terminal 103 and the third terminal 104 are respectively a-phase terminal, b-phase terminal and c-phase terminal, which are respectively connected to the A-phase, B-phase and C-phase wires of the three-phase power supply, wherein the b-phase terminal is columnar, and the secondary terminal board 105 is provided with as1, as2, as3, as4, a, b, c, cs1, cs2, cs3 and cs4 connectors. When in use, it can realize timely protection against lightning strikes, high-voltage grounding, main insulation damage caused by long-term use of the product due to insulation aging, product interlayer insulation, interturn insulation damage causing the product to burn, and intelligent power-off before explosion, thereby avoiding the occurrence and expansion of accidents, and effectively protecting power equipment, transmission lines and people's lives and property.

[0025] Reference Figure 1 and Figure 4-Figure 7The bottom of the combined transformer body 1 is fixedly installed with a bottom plate 2, a movable groove 202 is provided in the bottom plate 2, and a limit groove 201 connected to the movable groove 202 is provided at the bottom of the bottom plate 2, two sliders 8 are slidably arranged in the movable groove 202, two connecting blocks 4 are fixedly installed at the bottom of the two sliders 8, the two connecting blocks 4 are located in the limit groove 201, two fixed blocks 12 are fixedly installed at the bottom of the two connecting blocks 4, two screw rods 5 are fixedly installed on the corresponding sides of the two sliders 8, and the corresponding ends of the two screw rods 5 are sleeved with bidirectional wire tubes 6, and the outer wall of the bidirectional wire tube 6 A driven wheel 13 is fixedly installed, two support blocks 14 are fixedly installed at the bottom of the bottom plate 2, a cross bar 17 is rotatably arranged between the two support blocks 14, a driving wheel 15 is fixedly installed on the outer wall of the cross bar 17 between the two support blocks 14, the driving wheel 15 and the driven wheel 13 are connected by a chain 16, one end of the cross bar 17 passes through one of the support blocks 14 and a hand wheel 18 is fixedly installed, an annular groove 601 is opened on the outer wall of the bidirectional wire tube 6, a ring block 7 is rotatably arranged in the annular groove 601, a vertical rod 9 is fixedly installed on the top of the ring block 7, and the top of the vertical rod 9 is connected to the movable The inner wall of the groove 202 is fixedly connected, a horizontal plate 10 is fixedly installed on one side of the two fixing blocks 12, and a positioning bolt 11 is connected to the inner thread of the horizontal plate 10, and the top of the positioning bolt 11 is in contact with the bottom plate 2, and a mounting handle 3 is fixedly installed on the outer wall of the bottom plate 2, and a round hole is opened in the mounting handle 3. When the spacing between the two fixing blocks 12 needs to be adjusted, the user can turn the hand wheel 18 by hand, and the hand wheel 18 drives the driving wheel 15 to rotate through the cross bar 17, and the driving wheel 15 drives the driven wheel 13 to rotate through the chain 16, so that the bidirectional wire tube 6 rotates, thereby making the bidirectional wire tube 6 rotate. The two screw rods 5 are moved closer or farther away from each other, and the two sliders 8 are pulled to slide in the movable groove 202. The two sliders 8 drive the two connecting blocks 4 to move closer or farther away in the limiting groove 201. The two connecting blocks 4 drive the two fixed blocks 12 to move, thereby changing the distance between the two fixed blocks 12. After installation, the positioning bolt 11 can be screwed to make the positioning bolt 11 squeeze the bottom of the base plate 2, thereby fixing the fixed block 12, which is convenient for installation and has strong practicality. The set ring block 7 can limit the bidirectional wire tube 6 so that the bidirectional wire tube 6 will not move.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent protection combined transformer, comprising a combined transformer body (1), characterized in that: The combined transformer body (1) comprises a box (101), a first wiring terminal (102), a second wiring terminal (103) and a third wiring terminal (104) are fixedly mounted on the top of the box (101), the second wiring terminal (103) is located between the first wiring terminal (102) and the third wiring terminal (104), and an intelligent unloading pressure valve (107) is installed between the first wiring terminal (102) and the third wiring terminal (104) and the second wiring terminal (103); A bottom plate (2) is fixedly mounted on the bottom of the combined transformer body (1), a movable groove (202) is provided in the bottom plate (2), and a limit groove (201) connected to the movable groove (202) is provided at the bottom of the bottom plate (2), two sliders (8) are slidably mounted in the movable groove (202), two connecting blocks (4) are fixedly mounted on the bottom of the two sliders (8), the two connecting blocks (4) are located in the limit groove (201), two fixed blocks (12) are fixedly mounted on the bottom of the two connecting blocks (4), two screw rods (5) are fixedly mounted on the corresponding sides of the two sliders (8), bidirectional wire tubes (6) are provided on the corresponding ends of the two screw rods (5), and a driven wheel (13) is fixedly mounted on the outer wall of the bidirectional wire tube (6), and two support blocks (14) are fixedly mounted on the bottom of the bottom plate (2), and the two support blocks (14) are fixedly mounted on the bottom of the two sliders (8). A cross bar (17) is rotatably arranged between the support blocks (14); a driving wheel (15) is fixedly installed on the outer wall of the cross bar (17) between the two support blocks (14); the driving wheel (15) is connected to the driven wheel (13) by a chain (16); one end of the cross bar (17) passes through one of the support blocks (14) and is fixedly installed with a hand wheel (18); an annular groove (601) is provided on the outer wall of the bidirectional wire tube (6); a ring block (7) is rotatably arranged in the annular groove (601); a vertical rod (9) is fixedly installed on the top of the ring block (7); and the top of the vertical rod (9) is fixedly connected to the inner wall of the movable groove (202); a cross plate (10) is fixedly installed on one side of the two fixed blocks (12); a positioning bolt (11) is connected to the inner thread of the cross plate (10), and the top of the positioning bolt (11) is in contact with the bottom plate (2).

2. The intelligent protection combined transformer according to claim 1, characterized in that: A mounting handle (3) is fixedly mounted on the outer wall of the bottom plate (2), and a circular hole is formed in the mounting handle (3).

3. The intelligent protection combined transformer according to claim 1, characterized in that: Reinforcement blocks (106) are fixedly mounted on the front and back sides of the box body (101), and the reinforcement blocks (106) are fixedly connected to the bottom plate (2).

4. The intelligent protection combined transformer according to claim 1, characterized in that: A secondary wiring terminal board (105) is fixedly mounted on the front of the box (101).

5. The intelligent protection combined transformer according to claim 1, characterized in that: A high-voltage intelligent protector is fixedly installed in both the second wiring terminal (103) and the intelligent pressure-unloading valve (107).

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