Conductive copper bar device for transformer

Abstract

The invention relates to the field of transformers, and discloses a conductive copper bar device for a transformer, the conductive copper bar device comprises connecting plates and a conductive copper bar main body, the two ends of the conductive copper bar main body are connected with the connecting plates, each connecting plate is provided with a transition plate through a plug-in structure, and a protection structure is arranged between the two transition plates. Wherein one transition plate is fixedly connected with a transformer, the other transition plate is fixedly connected with an inductor, during installation, only the plug board on the plug structure needs to be plugged into the plug groove on the transition plate, and a first spring on the positioning structure is matched to automatically push the positioning rod to be plugged into the positioning groove, so that the installation work of the conductive copper bar main body can be realized; the operation is simpler and more convenient, the stop structure can stop the positioning rod, the problem that the conductive copper bar main body is loosened during installation due to vibration generated in the working process is avoided, and the installation firmness of the conductive copper bar main body is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of transformers, and in particular to a conductive copper busbar device for a transformer. Background Art

[0002] Transformer copper busbars are a type of conductive material used in transformers. They are typically made of high-purity copper and have extremely low resistance and good conductivity. Their primary function is to transmit high currents, and they are typically installed between the low-voltage side of the transformer and the receiving cabinet, or between the transformer and the capacitor cabinet or distribution cabinet. In the prior art, the conductive copper busbar is provided with two conductive components and a cooling pipe. The two ends of each conductive component are connected to the transformer and the inductor respectively. The two conductor components serve as the positive and negative connections respectively, thereby realizing the electrical connection between the transformer and the inductor. Since the middle vertical plate, connecting plate I and connecting plate II in the conductive component are all solid copper plates, the conductive performance is good, the mechanical strength is good, the connection is stable and reliable, and the support is reliable; However, during the actual installation process, the two connecting plates at both ends of the conductive copper busbar are generally fastened to the transformer and the inductor by multiple bolts. Therefore, when installing or disassembling, multiple bolts need to be tightened or unscrewed, which is time-consuming and wasteful, and increases the workload of the operator. Therefore, there is room for improvement. Summary of the Invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides a conductive copper busbar device for a transformer.

[0004] The present invention provides a conductive copper busbar device for a transformer, which adopts the following technical solution: A conductive copper busbar device for a transformer, comprising a connecting plate and a conductive copper busbar body, wherein both ends of the conductive copper busbar body are connected to the connecting plate, each connecting plate is provided with a transition plate via a plug-in structure, and a protective structure is provided between the two transition plates, wherein one transition plate is fixedly connected to the transformer, and the other transition plate is fixedly connected to the inductor; The plug-in structure includes a plug-in plate inserted into one end of the connecting plate, a first through slot is provided on both upper and lower sides of the connecting plate, a push-pull block passing through the first through slot is provided on both upper and lower sides of the plug-in plate, a plug-in slot is provided on the transition plate, and a positioning structure is provided between the plug-in plate and the slot wall of the plug-in slot; The positioning structure includes two second through slots on the push-pull block, each of the second through slots is movably inserted into an L-shaped plate, one end of the L-shaped plate inserted into the second through slot is connected to the moving block, a first spring is connected between the moving block and the groove wall at one end of the second through slot, grooves are provided on the plug-in plate on both sides of the push-pull block, the other end of the L-shaped plate is inserted into the groove, a transverse groove connected to the second through slot is provided in the plug-in plate, an insertion plate inserted into the transverse groove is connected to the L-shaped plate, one end of the insertion plate is connected to a positioning rod, the positioning rod movably passes through the plug-in plate, one end of the positioning rod is inserted into the positioning groove provided on the groove wall of the plug-in slot, and a stop structure is provided on the L-shaped plate.

[0005] Preferably, the stopping structure includes a through-bar that movably passes through the L-shaped plate, a stop block is installed at the bottom end of the through-bar, and stop grooves for the stop block to be movably inserted are opened above the groove walls on both sides of the groove. A pressing block is installed at the top of the through-bar, and a protrusion is provided on the side of the pressing block close to the push-pull block, and a second spring is connected between the protrusion and the L-shaped plate.

[0006] Preferably, the protective structure includes a tightening groove opened on the transition plate, a tightening ring is movably inserted into the tightening groove, multiple protective rods are connected between two of the tightening rings, an air supply structure is provided on one of the protective rods, and external heat dissipation structures are provided on two of the tightening rings.

[0007] Preferably, the air supply structure includes a plurality of fixed tubes connected to one of the protective rods, the corresponding protective rod is hollow, and a first heat dissipation box is installed at both ends of the hollow protective rod, the first heat dissipation box is connected to the interior of the protective rod, a first fan is provided in the first heat dissipation box, and a dustproof net is provided in the air inlet of the first heat dissipation box. A connecting sleeve is provided on each of the fixed tubes by threaded rotation, and the other end of the connecting sleeve is tightened on the insertion tube by threading, and the insertion tube is fixedly inserted into the conductive copper busbar body, and an inner groove for inserting the insertion tube is provided in the conductive copper busbar body, and an internal heat dissipation structure is provided in the conductive copper busbar body.

[0008] Preferably, the internal heat dissipation structure includes a plurality of heat dissipation grooves opened in the main body of the conductive copper busbar near the inner groove, a heat exhaust hole is opened on one side of the rear groove wall of the heat dissipation groove, and a plurality of heat dissipation fins are respectively arranged on the upper and lower groove walls of the heat dissipation groove. The heat dissipation groove is connected to the inner groove through a plurality of connecting grooves, and an air outlet is opened at the position corresponding to each connecting groove on the insertion tube.

[0009] Preferably, the external heat dissipation structure includes a transverse tube arranged between two clamping rings, a rotating structure is provided on the clamping ring, a plurality of air outlet pipes are connected to the transverse tube toward the main body of the conductive copper busbar, a second heat dissipation box is installed at both ends of the transverse tube, a second fan is installed in the second heat dissipation box, and a dust net is installed on the inner wall of the air inlet of the second heat dissipation box.

[0010] Preferably, the rotating structure includes an annular groove provided on the clamping ring, a rotating ring is movably sleeved in the annular groove, a mounting block is provided on the side of the rotating ring, the end of the transverse tube is connected to the mounting block, a gear ring is fixedly sleeved on the rotating ring, the gear ring is meshed with the gear on one of the transition plates, a motor is installed on the transition plate, and the gear is sleeved on the output shaft of the motor.

[0011] In summary, the present invention has the following beneficial technical effects: 1. The present invention provides a plug-in structure, a positioning structure, and a stopper structure. During installation, the conductive copper busbar body can be installed by simply inserting the plug-in plate on the plug-in structure into the plug-in slot on the transition. The first spring on the positioning structure automatically pushes the positioning rod into the positioning slot. This makes the operation simpler and more convenient. The stopper structure can stop the positioning rod to avoid vibration during operation that may cause the conductive copper busbar body to become loose, thereby improving the firmness of the conductive copper busbar body installation. 2. The present invention is provided with an external heat dissipation structure, an air supply structure, an internal heat dissipation structure and a rotating structure. The rotating structure drives the external heat dissipation structure to rotate around the outer side of the conductive copper busbar body, dissipating heat outside the conductive copper busbar, and cooperates with the air supply structure and the internal heat dissipation structure to dissipate heat inside the conductive copper busbar body. In this way, the heat generated during the operation of the conductive copper busbar body can be dissipated in time, thereby extending the service life of the conductive copper busbar body. In addition, the provision of the protective structure can protect the conductive copper busbar body, reducing the problem of deformation of the conductive copper busbar body caused by external forces. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 1 is a schematic structural diagram of a conductive copper busbar device for a transformer according to an embodiment of the present invention; Figure 2 This is a schematic structural diagram of the transition plate in an embodiment of the present invention; Figure 3 This is a schematic structural diagram of a conductive copper busbar in an embodiment of the present invention; Figure 4 is a schematic diagram of the structure inside the heat dissipation tank in an embodiment of the present invention; Figure 5 In the embodiment of the present invention Figure 4 A magnified view of the structure at point A; Figure 6 This is a schematic structural diagram of a plug-in board in an embodiment of the present invention; Figure 7 In the embodiment of the present invention Figure 6 A magnified view of the structure at point B; Figure 8 is a structural diagram of a protective structure in an embodiment of the present invention; Figure 9 In the embodiment of the present invention Figure 8 Enlarged view of the structure at point C.

[0013] Explanation of reference numerals: 1. Connecting plate; 2. Conductive copper busbar body; 3. Transition plate; 4. First through slot; 5. Plug-in plate; 6. Push-pull block; 7. Plug-in slot; 8. Second through slot; 9. Moving block; 10. First spring; 11. L-shaped plate; 12. Groove; 13. Horizontal slot; 14. Insert plate; 15. Positioning rod; 16. Through bar; 17. Stop block; 18. Stop slot; 19. Press block; 20. Protrusion; 21. Second spring; 22. Tightening slot ; 23. Clamping ring; 24. Protective rod; 25. First heat dissipation box; 26. Fixed tube; 27. Connecting sleeve; 28. Inner groove; 29. Insert tube; 30. Heat dissipation groove; 31. Heat exhaust hole; 32. Heat dissipation fin; 33. Connecting groove; 34. Air outlet; 35. Horizontal tube; 36. Air outlet pipe; 37. Second heat dissipation box; 38. Annular groove; 39. Rotating ring; 40. Mounting block; 41. Gear ring; 42. Motor; 43. Gear; 44. Positioning groove. DETAILED DESCRIPTION

[0014] The following is combined with Figures 1-9 The present invention is described in further detail.

[0015] Reference Figures 1-9 The embodiment of the present invention discloses a conductive copper busbar device for a transformer, comprising a connecting plate 1 and a conductive copper busbar body 2. Both ends of the conductive copper busbar body 2 are connected to the connecting plate 1. A transition plate 3 is provided at each connecting plate 1 through a plug-in structure. A protective structure is provided between the two transition plates 3. One transition plate 3 is fixedly connected to the transformer, and the other transition plate 3 is fixedly connected to the inductor. The plug-in structure includes a plug-in plate 5 inserted into one end of the connecting plate 1, a first through slot 4 is provided on both upper and lower sides of the connecting plate 1, a push-pull block 6 is provided on both upper and lower sides of the plug-in plate 5 and passes through the first through slot 4, a plug-in slot 7 is provided on the transition plate 3, and a positioning structure is provided between the plug-in plate 5 and the slot wall of the plug-in slot 7; The positioning structure includes two second through slots 8 provided on the push-pull block 6, each of the second through slots 8 is movably inserted into an L-shaped plate 11, and one end of the L-shaped plate 11 is inserted into the second through slot 8 and connected to the moving block 9. A first spring 10 is connected between the moving block 9 and the groove wall at one end of the second through slot 8. Grooves 12 are provided on both sides of the push-pull block 6 on the plug-in plate 5, and the other end of the L-shaped plate 11 is inserted into the groove 12. A transverse groove 13 communicating with the second through slot 8 is provided in the plug-in plate 5. An insertion plate 14 inserted into the transverse groove 13 is connected to the L-shaped plate 11, and a positioning rod 15 is connected at one end of the insertion plate 14. The positioning rod 15 movably passes through the plug-in plate 5, and one end of the positioning rod 15 is inserted into the positioning groove 44 provided on the groove wall of the plug-in slot 7. A stop structure is provided on the L-shaped plate 11; The stop structure includes a through-bar 16 that movably passes through the L-shaped plate 11, a stop block 17 is installed at the bottom of the through-bar 16, and a stop groove 18 for the stop block 17 to be movably inserted is opened above the groove walls on both sides of the groove 12. A pressing block 19 is installed at the top of the through-bar 16, and a protrusion 20 is set on the side of the pressing block 19 close to the push-pull block 6. A second spring 21 is connected between the protrusion 20 and the L-shaped plate 11. When installing the conductive copper busbar body 2, first, the operator presses the two pressing blocks 19 toward the middle, pushes one end of the positioning rod 15 into the plug-in board 5, and then uses the push-pull block 6 to push the plug-in board 5 on the connecting plate 1 to insert it into the plug-in slot 7 on the transition plate 3. When one end of the plug-in board 5 is fully inserted into the plug-in slot 7, Release the button 19, and under the elastic force of the first spring 10, the L-shaped plate 11 is pushed to move, thereby driving the positioning rod 15 at one end of the insertion plate 14 to be inserted into the positioning groove 44, so that the installation of the conductive copper busbar body 2 can be achieved, and in the process of moving the L-shaped plate 11, the stop block 17 at the bottom end of the penetration bar 16 is driven to move, and the stop block 17 moves close to the plug-in board 5. When the positioning rod 15 is fully inserted into the positioning groove 44 for positioning, the stop block 17 moves to the top of the stop groove 18. Under the elastic force of the second spring 21, the stop block 17 is pushed to be inserted into the stop groove 18, thereby solving the problem of loose positioning and ensuring the firmness of the installation of the conductive copper busbar body 2.

[0016] See also Figure 8 The protective structure includes a tightening groove 22 opened on the transition plate 3, a tightening ring 23 is movably inserted into the tightening groove 22, and multiple protective rods 24 are connected between the two tightening rings 23. One of the protective rods 24 is provided with an air supply structure, and the two tightening rings 23 are provided with an external heat dissipation structure. The protective rods 24 on the tightening rings 23 play a protective role at the conductive copper busbar body 2, reducing the problem of deformation of the conductive copper busbar body 2 caused by external forces.

[0017] See also Figure 3 、 Figure 4 、 Figure 5 、 Figure 8 and Figure 9The air supply structure includes a plurality of fixed tubes 26 connected to one of the protective rods 24. The corresponding protective rod 24 is hollow. A first heat dissipation box 25 is installed at both ends of the hollow protective rod 24. The first heat dissipation box 25 is connected to the inside of the protective rod 24. A first fan is provided in the first heat dissipation box 25. A dust screen is provided in the air inlet of the first heat dissipation box 25. A connecting sleeve 27 is provided on each fixed tube 26 by rotating a thread. The other end of the connecting sleeve 27 is tightened on the insertion tube 29 by a thread. The insertion tube 29 is fixedly inserted into the conductive copper busbar body 2. An inner groove 28 for inserting the insertion tube 29 is provided in the conductive copper busbar body 2. An internal heat dissipation structure is provided in the conductive copper busbar body 2. The internal heat dissipation structure includes a plurality of heat dissipation slots 30 provided in the conductive copper busbar body 2 near the inner slot 28. A heat dissipation hole 31 is provided on one side of the rear slot wall of the heat dissipation slot 30. A plurality of heat dissipation fins 32 are provided on the upper and lower slot walls of the heat dissipation slot 30. The heat dissipation slot 30 is connected to the inner slot 28 via a plurality of connecting slots 33. An air outlet 34 is provided on the insertion tube 29 at a position corresponding to each connecting slot 33. The external heat dissipation structure includes a transverse tube 35 disposed between the two abutting rings 23. The abutting rings 23 are provided with a rotating structure. A plurality of air outlet pipes 36 are connected to the transverse tube 35 at a position facing the conductive copper busbar body 2. A second heat dissipation box 37 is installed at both ends of the transverse tube 35. A second fan is installed in the second heat dissipation box 37. A dust screen is installed on the inner wall of the air inlet of the second heat dissipation box 37. The rotating structure includes an annular groove 38 provided on the tightening ring 23, a swivel 39 is movably sleeved in the annular groove 38, a mounting block 40 is provided on the side of the swivel 39, the end of the transverse tube 35 is connected to the mounting block 40, a gear ring 41 is fixedly sleeved on the swivel 39, the gear ring 41 is meshed with a gear 43 on one of the transition plates 3, a motor 42 is installed on the transition plate 3, and the gear 43 is sleeved on the output shaft of the motor 42. When the conductive copper busbar body 2 needs to dissipate heat during operation, the second fan in the second heat dissipation box 37 is started to draw outside air into the transverse tube 35, and the air outlet pipe 36 on the transverse tube 35 is directed toward the conductive copper busbar body 2. Blow out, and start the motor 42 to drive the gear 43 to rotate, and drive the cross tube 35 to rotate through the gear ring 41, so as to dissipate heat at various positions on the outside of the conductive copper busbar main body 2. At the same time, the first fan in the first heat dissipation box 25 can also be started to draw external air into the insertion tube 29, and blow it into the heat dissipation groove 30 through the air outlet 34 and the connecting groove 33 on the insertion tube 29. In conjunction with the heat dissipation fins 32, heat is dissipated from the inside of the conductive copper busbar main body 2. In this way, the heat dissipation effect is better, and the heat generated on the conductive copper busbar main body 2 is dissipated in time to ensure the normal operation of the conductive copper busbar main body 2.

[0018] The implementation principle of a conductive copper busbar device for a transformer according to an embodiment of the present invention is as follows: when installing the conductive copper busbar body 2, first, the two fastening rings 23 are pressed against the fastening grooves 22 on the two transition plates 3, and then the operator presses the two pressing blocks 19 toward the middle, pushes one end of the positioning rod 15 into the plug-in plate 5, and then uses the push-pull block 6 to push the plug-in plate 5 on the connecting plate 1 to insert it into the plug-in groove 7 on the transition plate 3. When one end of the plug-in plate 5 is fully inserted into the plug-in groove 7, the pressing block 19 is released. Under the elastic force of the first spring 10, the L-shaped plate 11 is pushed to move, thereby driving the positioning rod 15 at one end of the insertion plate 14 to be inserted into the positioning groove 44, so that the installation work of the conductive copper busbar body 2 can be realized, and the L-shaped plate 11 is driven to move the stop block 17 at the bottom end of the penetration bar 16 during the movement, and the stop block 17 moves close to the plug-in board 5. When the positioning rod 15 is fully inserted into the positioning groove 44 for positioning, the stop block 17 moves to the top of the stop groove 18, and the second spring 35 , and the heat dissipation effect is better.

[0019] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A conductive copper busbar device for a transformer, comprising a connecting plate (1) and a conductive copper busbar body (2), characterized in that: Both ends of the conductive copper busbar body (2) are connected to connecting plates (1), each connecting plate (1) is provided with a transition plate (3) via a plug-in structure, a protective structure is provided between the two transition plates (3), one of the transition plates (3) is fixedly connected to the transformer, and the other transition plate (3) is fixedly connected to the inductor; The plug-in structure includes a plug-in plate (5) inserted into one end of the connecting plate (1), a first through slot (4) is provided on both upper and lower sides of the connecting plate (1), a push-pull block (6) passing through the first through slot (4) is provided on both upper and lower sides of the plug-in plate (5), a plug-in slot (7) is provided on the transition plate (3), and a positioning structure is provided between the plug-in plate (5) and the slot wall of the plug-in slot (7); The positioning structure comprises two second through slots (8) provided on the push-pull block (6), each of the second through slots (8) is movably inserted into an L-shaped plate (11), one end of the L-shaped plate (11) inserted into the second through slot (8) is connected to a moving block (9), a first spring (10) is connected between the moving block (9) and the groove wall of one end of the second through slot (8), a groove (12) is provided on both sides of the push-pull block (6) on the upper surface of the plug-in plate (5), and the other end of the L-shaped plate (11) is connected to the moving block (9). Inserted into the groove (12), a transverse groove (13) communicating with the second through groove (8) is provided in the plug-in board (5), an insertion board (14) inserted into the transverse groove (13) is connected to the L-shaped board (11), one end of the insertion board (14) is connected to a positioning rod (15), the positioning rod (15) movably passes through the plug-in board (5), one end of the positioning rod (15) is inserted into a positioning groove (44) provided on the wall of the plug-in groove (7), and a stop structure is provided on the L-shaped board (11).

2. A conductive copper busbar device for a transformer according to claim 1, characterized in that: The stop structure includes a through-bar (16) that movably passes through the L-shaped plate (11), a stop block (17) is installed at the bottom end of the through-bar (16), and stop grooves (18) for the stop block (17) to be movably inserted are provided above the groove walls on both sides of the groove (12), a pressing block (19) is installed at the top end of the through-bar (16), and a protrusion (20) is provided on a side of the pressing block (19) close to the push-pull block (6), and a second spring (21) is connected between the protrusion (20) and the L-shaped plate (11).

3. The conductive copper busbar device for a transformer according to claim 1, characterized in that: The protective structure comprises a tightening groove (22) provided on the transition plate (3), a tightening ring (23) being movably inserted into the tightening groove (22), a plurality of protective rods (24) being connected between two of the tightening rings (23), an air supply structure being provided on one of the protective rods (24), and external heat dissipation structures being provided on two of the tightening rings (23).

4. The conductive copper busbar device for a transformer according to claim 3, characterized in that: The air supply structure includes a plurality of fixed tubes (26) connected to one of the protective rods (24), the corresponding protective rod (24) is hollow, and a first heat dissipation box (25) is installed at both ends of the hollow protective rod (24), the first heat dissipation box (25) is connected to the inside of the protective rod (24), a first fan is arranged in the first heat dissipation box (25), and a dust screen is arranged in the air inlet of the first heat dissipation box (25), each of the fixed tubes (26) is provided with a connecting sleeve (27) by screw thread rotation, and the other end of the connecting sleeve (27) is screwed on the insertion tube (29) by screw thread rotation, and the insertion tube (29) is fixedly inserted into the conductive copper busbar body (2), and an inner groove (28) for the insertion tube (29) to be inserted is provided in the conductive copper busbar body (2), and an internal heat dissipation structure is arranged in the conductive copper busbar body (2).

5. The conductive copper busbar device for a transformer according to claim 4, characterized in that: The internal heat dissipation structure comprises a plurality of heat dissipation grooves (30) provided in the conductive copper busbar body (2) near the inner groove (28), a heat dissipation hole (31) provided on one side of the rear groove wall of the heat dissipation groove (30), a plurality of heat dissipation fins (32) provided on the groove walls on the upper and lower sides of the heat dissipation groove (30), the heat dissipation groove (30) and the inner groove (28) are connected via a plurality of connecting grooves (33), and an air outlet hole (34) is provided on the insertion tube (29) at a position corresponding to each connecting groove (33).

6. The conductive copper busbar device for a transformer according to claim 3, characterized in that: The external heat dissipation structure comprises a transverse tube (35) arranged between two abutting rings (23), a rotating structure is arranged on the abutting ring (23), a plurality of air outlet pipes (36) are connected to the transverse tube (35) at a position facing the conductive copper busbar body (2), a second heat dissipation box (37) is installed at both ends of the transverse tube (35), a second fan is installed in the second heat dissipation box (37), and a dust screen is installed on the inner wall of the air inlet of the second heat dissipation box (37).

7. The conductive copper busbar device for a transformer according to claim 6, characterized in that: The rotating structure includes an annular groove (38) formed on the retaining ring (23), a rotating ring (39) movably sleeved in the annular groove (38), a mounting block (40) provided on the side of the rotating ring (39), an end of the transverse tube (35) connected to the mounting block (40), a gear ring (41) fixedly sleeved on the rotating ring (39), the gear ring (41) meshingly connected with a gear (43) on one of the transition plates (3), a motor (42) mounted on the transition plate (3), and the gear (43) sleeved on the output shaft of the motor (42).

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