A flexible connection structure for transformer high voltage coil lead-out terminal

Abstract

The utility model discloses a flexible connection structure for the lead-out end of a transformer high-voltage coil, comprising a base, a lower clamping plate is arranged above the base, the lower clamping plate is connected to a transformer body, an upper clamping plate is arranged above the transformer body, a fixing mechanism is arranged on the upper clamping plate, a high-voltage coil is arranged inside the transformer body, a wiring terminal is arranged outside the transformer, and a connecting mechanism is arranged on the wiring terminal. By arranging the fixing mechanism, the utility model can install a support frame on the upper clamping plate after the installation of the transformer is completed, and can install and fix the cable lead through two fixing rings to ensure the fixing effect of the cable lead and by arranging the connecting mechanism, a copper plate is sleeved on the outside of a second bolt, and the copper plate is fixed by a second nut, and the high-voltage coils are connected in pairs through connecting lines to form a three-phase triangle connection group.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type transformers, in particular to a flexible connection structure for a lead-out end of a high-voltage coil of a transformer. Background Art

[0002] A dry-type transformer is a transformer whose core and winding do not need to be immersed in insulating oil. It is widely used in places such as local lighting, high-rise buildings, airports, docks, and computer numerically controlled machine tools and mechanical equipment.

[0003] In the use of existing dry-type transformers, a special high-voltage line wiring mechanism is generally not set. When it is installed on site, it is necessary to assemble the cable bracket after the transformer and the housing are installed in place, and then complete the installation and fixation of the cable leads. The cable bracket is usually installed on the housing or fixed on the ground. Since the transformer and the housing require a specific matching spacing, the installation operation is cumbersome and the work efficiency is low. With respect to the problems in the related technology, no effective solution has been proposed so far. Utility Model Content

[0004] In view of the problems in the related art, the utility model proposes a flexible connection structure for the lead-out terminal of the high-voltage coil of a transformer to overcome the above-mentioned technical problems existing in the existing related art.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A flexible connection structure for a transformer high-voltage coil lead-out terminal comprises a base, a lower clamping plate is arranged above the base, the lower clamping plate is connected to a transformer body, an upper clamping plate is arranged above the transformer body, a fixing mechanism is arranged on the upper clamping plate, a high-voltage coil is arranged inside the transformer body, a wiring terminal is arranged outside the transformer, and a connection mechanism is arranged on the wiring terminal.

[0007] Furthermore, in order to facilitate the fixation of the high-voltage cable leads and prevent the high-voltage cable leads from hanging down on the outside of the transformer, and to ensure the cleanliness of the inside of the transformer box, the fixing mechanism includes a mounting groove arranged at the top of the upper clamping plate, a mounting frame is arranged inside the mounting groove, a mounting seat is arranged on the mounting frame, there are two mounting seats, a movable ring is arranged on the mounting seat, one side of the movable ring is connected to the movable ring by a hinge, a first connecting plate is arranged on one side of the movable ring, a second connecting plate is arranged on one side of the fixed ring, a first bolt is arranged on the outside of the first connecting plate, and the first bolt passes through the first connecting plate and the second connecting plate and is connected to the first nut.

[0008] Furthermore, in order to facilitate the adjustment of the position of the cable and enhance the practicality of the device, the mounting seats are respectively placed at the top of the mounting frame and one side of the mounting frame. The mounting seat placed at the top of the mounting frame is connected to the movable seat, and the movable seat is connected to the slider. A slide groove is provided inside the mounting frame, and the slider matches the slide groove.

[0009] Furthermore, in order to fix the mounting frame and facilitate the disassembly of the mounting frame, a screw is provided at the top of the mounting groove, and a threaded hole is provided inside the mounting groove, and the screw passes through the threaded hole to abut against the mounting frame.

[0010] Furthermore, the connecting mechanism includes a lead wire connected to the high-voltage coil, the lead wire and the second bolt constitute a wiring terminal, the wiring terminal is connected to the connecting wire through a copper plate, a second nut is provided on the outside of the wiring terminal, and the second nut matches the second bolt.

[0011] Furthermore, a copper tube is connected to the connecting line, one end of the copper tube is connected to a high-voltage insulator, and the high-voltage insulator is connected to a high-voltage cable.

[0012] Furthermore, a resin binding tape is provided on the outside of the high-voltage cable, and the high-voltage cable is placed inside the fixing ring.

[0013] The beneficial effects of the utility model are:

[0014] (1) By setting up a fixing mechanism, the support frame can be installed on the upper clamping plate after the transformer is installed, and the cable lead can be installed and fixed by two fixing rings to ensure the fixing effect of the cable lead and prevent the cable lead from hanging down on the outside of the transformer at will and affecting the working space outside the transformer.

[0015] (2) By setting a connection mechanism, a copper plate is sleeved on the outside of the second bolt, and the copper plate is fixed by a second nut, and the high-voltage coils are connected in pairs through connecting wires to form a three-phase triangle connection group, which is convenient for installing and removing the connecting wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front view of a flexible connection structure for the lead-out end of a transformer high-voltage coil according to an embodiment of the utility model.

[0018] Figure 2It is a side view of a flexible connection structure for a transformer high voltage coil lead-out terminal according to an embodiment of the utility model.

[0019] Figure 3 It is a connection diagram of a flexible connection structure mounting base for a transformer high voltage coil lead-out terminal according to an embodiment of the utility model.

[0020] Figure 4 The present invention is a structural diagram of a flexible connection structure terminal block for a transformer high voltage coil lead-out terminal according to an embodiment of the present invention.

[0021] In the figure:

[0022] 1. Base; 2. Lower clamping plate; 3. Upper clamping plate; 4. Transformer body; 5. Fixing mechanism; 501. Mounting groove; 502. Mounting frame; 503. Mounting seat; 504. Movable ring; 505. First connecting plate; 506. Second connecting plate; 507. First bolt; 508. First nut; 509. Fixing ring; 6. High-voltage coil; 7. Terminal block; 8. Connecting mechanism; 801. Lead wire; 802. Second bolt; 803. Copper plate; 804. Connecting wire; 805. Second nut; 9. Moving seat; 10. Slider; 11. Slide groove; 12. Screw; 13. Threaded hole; 14. Copper tube; 15. High-voltage insulator; 16. High-voltage cable; 17. Resin wrapping tape. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] According to an embodiment of the utility model, a flexible connection structure for a transformer high voltage coil lead-out terminal is provided.

[0025] Embodiment 1

[0026] like Figure 1-Figure 4As shown, according to an embodiment of the utility model, a flexible connection structure for a transformer high-voltage coil lead-out terminal comprises a base 1, a lower clamping plate 2 is arranged above the base 1, the lower clamping plate 2 is connected to a transformer body 4, an upper clamping plate 3 is arranged above the transformer body 4, a fixing mechanism 5 is arranged on the upper clamping plate 3, a high-voltage coil 6 is arranged inside the transformer body 4, a wiring terminal 7 is arranged on the outside of the transformer, a connecting mechanism 8 is arranged on the wiring terminal 7, the fixing mechanism 5 comprises a mounting groove 501 arranged at the top of the upper clamping plate 3, a mounting frame 502 is arranged inside the mounting groove 501, a mounting seat 503 is arranged on the mounting frame 502, the number of the mounting seats 503 is two, a fixing ring 509 is arranged on the mounting seat 503, one side of the fixing ring 509 is connected to a movable ring 504 by a hinge, one side of the movable ring 504 is provided with a first connecting plate 505, and the fixing ring 50 A second connecting plate 506 is provided on one side of 9, a first bolt 507 is provided on the outer side of the first connecting plate 505, the first bolt 507 passes through the first connecting plate 505 and the second connecting plate 506 and is connected with the first nut 508, the mounting seat 503 is respectively placed on the top of the mounting frame 502 and on one side of the mounting frame 502, the mounting seat 503 placed on the top of the mounting frame 502 is connected with the movable seat 9, the movable seat 9 is connected with the slider 10, a slide groove 11 is provided inside the mounting frame 502, and the slider 10 matches the slide groove 11. By setting the movable seat 9 and the slider 10, it is convenient to adjust the position of the mounting seat 503 according to needs, thereby enhancing the practicality of the mounting frame 502, a screw rod 12 is provided on the top of the mounting groove 501, a threaded hole 13 is provided inside the mounting groove 501, and the screw 12 passes through the threaded hole 13 and abuts against the mounting frame 502.

[0027] like Figure 1-Figure 3 As shown, the connecting mechanism 8 includes a lead-out wire 801 connected to the high-voltage coil 6, the lead-out wire 801 and the second bolt 802 constitute a terminal 7, the terminal 7 is connected to the connecting wire 804 through a copper plate 803, the connecting wire 804 is made of copper, an insulating sleeve is sleeved on the outside of the connecting wire 804, a second nut 805 is provided on the outside of the terminal 7, the second nut 805 matches the second bolt 802, a copper tube 14 is connected to the connecting wire 804, one end of the copper tube 14 is connected to the high-voltage insulator 15, the high-voltage insulator 15 is connected to the high-voltage cable 16, a resin binding tape 17 is provided on the outside of the high-voltage cable 16, and the high-voltage cable 16 is placed inside the fixing ring 509.

[0028] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0029] In actual application, the copper plates 803 at both ends of the connecting wire 804 are sleeved on the second bolts 802 at the terminal 7, and then fixed by the second nut 805, which is convenient for installation. Then, one end of the copper tube 14 is connected to the high-voltage insulator 15, and then the high-voltage cable 16 is connected to the high-voltage insulator 15, and then the multiple high-voltage cables 16 are wrapped by the resin wrapping tape 17, which is convenient for fixing the high-voltage cable 16. After the installation of the transformer body 4 is completed, the mounting frame 502 can be inserted into the mounting groove 501, and then By rotating the screw rod 12, the screw rod 12 is driven to contact the mounting frame 502, so that the mounting frame 502 can be fixed. The wrapped high-voltage cable 16 is placed on one side of the fixing ring 509, and then the high-voltage cable 16 is installed and fixed by rotating the movable ring 504. The movable ring 504 is fixed by passing the first bolt 507 through the first nut 508 to ensure the fixing effect of the movable ring 504 on the high-voltage cable 16. One end of the high-voltage cable 16 can pass through the bottom end of one side of the transformer body 4 and pass through the transformer room, so that the high-voltage cable 16 is conveniently connected to the high-voltage cabinet.

[0030] In summary, with the aid of the above-mentioned technical scheme of the utility model, by setting up the fixing mechanism 5, the support frame can be installed on the upper clamping plate 3 after the installation of the transformer is completed, and the cable leads can be installed and fixed by means of two fixing rings 509, thereby ensuring the fixing effect of the cable leads and preventing the cable leads from arbitrarily falling on the outside of the transformer and affecting the working space outside the transformer. By setting up the connecting mechanism 8, the copper plate 803 is sleeved on the outside of the second bolt 802, and the copper plate 803 is fixed by the second nut 805, and the high-voltage coils 6 are connected in pairs through the connecting wires 804 to form a three-phase triangle connection group, which is convenient for installing and disassembling the connecting wires 804.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flexible connection structure for a transformer high voltage coil lead-out terminal, characterized in that: The invention comprises a base (1), a lower clamping plate (2) is arranged above the base (1), the lower clamping plate (2) is connected to a transformer body (4), an upper clamping plate (3) is arranged above the transformer body (4), a fixing mechanism (5) is arranged on the upper clamping plate (3), a high-voltage coil (6) is arranged inside the transformer body (4), a wiring terminal (7) is arranged on the outside of the transformer, and a connecting mechanism (8) is arranged on the wiring terminal (7).

2. A flexible connection structure for a transformer high voltage coil lead-out terminal according to claim 1, characterized in that: The fixing mechanism (5) comprises a mounting groove (501) arranged at the top of the upper clamping plate (3), a mounting frame (502) being arranged inside the mounting groove (501), a mounting seat (503) being arranged on the mounting frame (502), two mounting seats (503) being arranged on the mounting seat (503), a fixing ring (509) being arranged on one side of the fixing ring (509), a movable ring (504) being connected to one side of the fixing ring (509) by a hinge, a first connecting plate (505) being arranged on one side of the movable ring (504), a second connecting plate (506) being arranged on one side of the fixing ring (509), a first bolt (507) being arranged on the outer side of the second connecting plate (506), the first bolt (507) passing through the first connecting plate (505) and the second connecting plate (506) and being connected to a first nut (508).

3. A flexible connection structure for a transformer high voltage coil lead-out terminal according to claim 2, characterized in that: The two mounting seats (503) are respectively placed at the top of the mounting frame (502) and at one side of the mounting frame (502); the mounting seat (503) at the top of the mounting frame (502) is connected to the movable seat (9); the movable seat (9) is connected to the slider (10); a slide groove (11) is provided inside the mounting frame (502); the slider (10) matches the slide groove (11).

4. A flexible connection structure for a transformer high voltage coil lead-out terminal according to claim 2, characterized in that: A screw rod (12) is provided at the top of the installation groove (501), a threaded hole (13) is provided inside the installation groove (501), and the screw rod (12) passes through the threaded hole (13) and abuts against the installation frame (502).

5. The flexible connection structure for the transformer high voltage coil lead-out terminal according to claim 1, characterized in that: The connection mechanism (8) comprises a lead wire (801) connected to the high-voltage coil (6); the lead wire (801) and a second bolt (802) form a connection terminal (7); the connection terminal (7) is connected to a connecting wire (804) via a copper plate (803); a second nut (805) is provided on the outside of the connection terminal (7); the second nut (805) matches the second bolt (802).

6. A flexible connection structure for a transformer high voltage coil lead-out terminal according to claim 5, characterized in that: A copper tube (14) is connected to the connecting line (804), one end of the copper tube (14) is connected to a high-voltage insulator (15), and the high-voltage insulator (15) is connected to a high-voltage cable (16).

7. A flexible connection structure for a transformer high voltage coil lead-out terminal according to claim 6, characterized in that: A resin binding tape (17) is provided on the outside of the high-voltage cable (16), and the high-voltage cable (16) is placed inside the fixing ring (509).

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