CN218826526U - Iron core structure for high-capacity dry-type transformer - Google Patents
Iron core structure for high-capacity dry-type transformer Download PDFInfo
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- CN218826526U CN218826526U CN202222915828.2U CN202222915828U CN218826526U CN 218826526 U CN218826526 U CN 218826526U CN 202222915828 U CN202222915828 U CN 202222915828U CN 218826526 U CN218826526 U CN 218826526U
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Abstract
The utility model discloses an iron core structure for a high-capacity dry-type transformer, which comprises a lower clamping piece and an upper clamping piece, wherein the top of the lower clamping piece is provided with a groove, three coils are arranged between the lower clamping piece and the upper clamping piece, an iron core is arranged in the three coils, one side of the lower clamping piece is provided with an air inlet, a filter screen plate is arranged at the air inlet, the lower clamping piece is of a hollow structure, and three cooling fans are arranged in the lower clamping piece; the internally mounted of folder has the subassembly of cleaning down, clean the subassembly including lifter plate and lead screw and servo motor, the lead screw rotates with folder top and bottom both ends down and is connected, install the screw on the lead screw, screw and lifter plate are connected, install bevel gear on the bottom of lead screw and servo motor's the output shaft, two bevel gears are perpendicular and the meshing, one side of lifter plate is installed and is cleaned the brush, clean the brush and contact with filter plate, this device can solve the sand blown by the wind dust well and block up the dust screen, lead to the problem that the forced air cooling effect of the inside air cooling mechanism of transformer worsens.
Description
Technical Field
The utility model relates to a power equipment technical field, concretely relates to iron core structure for large capacity dry-type transformer.
Background
The dry-type transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, the transformer is a device for changing alternating-current voltage by utilizing the principle of electromagnetic induction, and due to the fact that the transformer is power equipment, when the transformer runs, electric energy loss in a winding and an iron core can generate heat to cause overheating of the transformer, if the heat is not dissipated in time, the insulation damage of the transformer can be caused to cause power system faults, even safety accidents such as fire disasters and the like can be caused;
the existing dry-type transformer box body mainly relies on a fan to carry out forced air cooling, in order to keep air circulation, an air inlet hole needs to be formed in the cabinet body, external dust easily enters the cabinet body through the air inlet hole to damage electronic components in the transformer, the sand content of wind in the area is high, and if a dust screen is simply used or a transformer box body used in the general environment in the prior art is used, a large amount of dust easily blocks the air inlet hole dust screen, so that the air cooling effect is poor.
Therefore, it is necessary to provide a core structure for a high capacity dry type transformer to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a large capacity is iron core structure for dry-type transformer to solve the above-mentioned weak point in the technique.
In order to achieve the above object, the present invention provides the following technical solutions:
an iron core structure for a high-capacity dry-type transformer comprises a lower clamping piece and an upper clamping piece, wherein a groove is formed in the top of the lower clamping piece, a plurality of cushion blocks are installed in the groove, three coils are installed between the lower clamping piece and the upper clamping piece, an iron core is installed in the three coils, an air inlet is formed in one side of the lower clamping piece, a filter screen plate is installed at the air inlet, the lower clamping piece is of a hollow structure, three cooling fans are installed in the lower clamping piece, and an air opening is formed in the position, corresponding to the position under the three coils, at the top of the groove; the utility model discloses a folder, including folder, lead screw, servo motor, lead screw, nut, bevel gear, the perpendicular just meshing of bevel gear, the brush that cleans is installed to one side of lifter plate, clean the brush and contact with filter plate.
Preferably, folder is "worker" type structure down, go up the folder and be two "C" type piece intermediate phases and be connected the structure through the connecting rod, down three bracing piece, six are all installed to both sides between folder and the last folder two the both ends of bracing piece are the helicitic texture, the nut is all installed at the both ends of bracing piece.
Preferably, the both sides both ends of folder all install the ground connection connecting block down, four all be provided with the perforating hole on the ground connection connecting block.
Preferably, air guide pipes are arranged at one ends of the three heat dissipation fans, are of L-shaped structures and penetrate through the tops of the grooves.
Preferably, the inner top of the air guide pipe is provided with a filter screen disc, and the outer diameter of the air guide pipe is matched with the inner diameter of the coil.
Preferably, clean the subassembly and still include the guiding axle, the guiding axle is installed inside the lower folder of lead screw offside, install the movable block on the guiding axle, the movable block is connected with the one end of lifter plate.
Preferably, an installation frame is installed at an air inlet of the lower clamping piece, the installation frame is of a '21274', a sliding groove is formed in the installation frame, a butt joint frame is installed on the outer side of the filter screen plate, and the butt joint frame is matched with the sliding groove of the installation frame.
In the technical scheme, the utility model provides a technological effect and advantage:
the device can perform forced air cooling on the iron core by installing three heat dissipation fans in the lower clamping piece, can prevent sand wind from entering the transformer through the filter screen plate at the air inlet, can clean the filter screen plate regularly through the cleaning assembly at the same time, and can prevent dust sand wind from blocking the filter screen plate; the inside iron core of coil is insufflated through the guide duct with the outside wind of air inlet to this device's cooling fan to realize the forced air cooling of transformer, and the sand blown by the wind dust can be blockked by filtering the otter board, and servo motor passes through the controller and can regularly start, thereby makes bevel gear meshing transmission, and then makes the lead screw rotate, and the screw goes up and down, and then makes the lifter board move and clean the brush and clear up filtering the otter board, prevents to filter the otter board jam, guarantees the air-cooled radiating effect, promotes the practicality.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a perspective view of the overall structure of the present invention;
fig. 2 is a perspective view of the lower clip structure of the present invention;
fig. 3 is a cross-sectional perspective view of the lower clamp of the present invention;
FIG. 4 is a perspective view of the cleaning assembly of the present invention;
fig. 5 is a perspective view of the mounting frame and the filter screen plate of the present invention.
Description of reference numerals:
1. a coil; 2. an iron core; 3. a lower clamp; 4. an upper clamp; 5. a filter screen plate; 6. a sweeping assembly; 7. a support bar; 8. a heat radiation fan; 9. an air guide pipe; 31. an air inlet; 32. a groove; 33. cushion blocks; 34. a grounding connecting block; 35. a mounting frame; 51. a docking frame; 61. a lifting plate; 62. cleaning a brush; 63. a screw rod; 64. a nut; 65. a servo motor; 66. a bevel gear; 67. a guide shaft; 68. a movable block.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides an iron core structure for a large capacity dry type transformer as shown in figures 1-5, which comprises a lower clamping piece 3 and an upper clamping piece 4, wherein the top of the lower clamping piece 3 is provided with a groove 32, a plurality of cushion blocks 33 are arranged in the groove 32, three coils 1 are arranged between the lower clamping piece 3 and the upper clamping piece 4, an iron core 2 is arranged in the three coils 1, one side of the lower clamping piece 3 is provided with an air inlet 31, a filter screen plate 5 is arranged at the air inlet 31, the lower clamping piece 3 is of a hollow structure, three cooling fans 8 are arranged in the lower clamping piece 3, and an air port is arranged at a corresponding position under the three coils 1 at the top of the groove 32; the internal installation of lower folder 3 cleans subassembly 6, clean subassembly 6 including lifter plate 61 and lead screw 63 and servo motor 65, lead screw 63 rotates with folder 3 top and bottom both ends and is connected down, install screw 64 on the lead screw 63, screw 64 is connected with lifter plate 61, install bevel gear 66 on the bottom of lead screw 63 and the output shaft of servo motor 65, two bevel gear 66 are perpendicular and meshing, the brush 62 that cleans is installed to one side of lifter plate 61, clean brush 62 and filter screen 5 and contact, this device can carry out forced air cooling to iron core 2 through installing three radiator fan 8 in folder 3 down, and filter screen 5 through air inlet 31 department can prevent that the sand from getting into the transformer inside, can regularly clear up filter screen 5 through cleaning subassembly 6 simultaneously, prevent that the dust sand wind sand from blockking up filter screen 5, this device can solve the dust screen well, lead to the problem that the air cooling mechanism air cooling effect of transformer inside becomes poor.
Further, in the above technical scheme, the lower clamping piece 3 is of an i-shaped structure, the upper clamping piece 4 is of a structure that the middle parts of two C-shaped blocks are connected through a connecting rod, three support rods 7 are respectively installed on two sides between the lower clamping piece 3 and the upper clamping piece 4, two ends of the six support rods 7 are of threaded structures, and nuts are respectively installed on two ends of each support rod 7;
specifically, the I-shaped structure of the lower clamping piece 3 can prevent a part of wind sand from directly blowing into the filter screen 5, and the coil 1 between the lower clamping piece 3 and the upper clamping piece 4 can be well fixed through the support rod 7 and the nut, so that the stability is improved.
Further, in the above technical solution, both ends of both sides of the lower clamp 3 are mounted with the grounding connection blocks 34, and the four grounding connection blocks 34 are provided with through holes;
specifically, the dry-type transformer can be stably fixed to the ground by installing a positioning anchor bolt in the through hole of the grounding connection block 34.
Further, in the above technical solution, air guide pipes 9 are installed at one ends of the three cooling fans 8, the air guide pipes 9 are of an L-shaped structure, and the air guide pipes 9 penetrate through the top of the groove 32;
specifically, the air flow generated by the heat dissipation fan 8 can be blown to the iron core 2 in the coil 1 better through the air guide pipe 9, so that forced air cooling is realized.
Further, in the above technical solution, a filter screen disc is arranged at the inner top of the air guide pipe 9, and the outer diameter of the air guide pipe 9 is adapted to the inner diameter of the coil 1;
specifically, the wind flow blown by the heat dissipation fan 8 can be further prevented from being provided with wind sand through the filter screen disc, the wind sand can be further filtered, and the aperture of the filter screen disc is smaller than that of the filter screen plate 5.
Further, in the above technical solution, the cleaning assembly 6 further includes a guide shaft 67, the guide shaft 67 is installed inside the lower clamp 3 opposite to the lead screw 63, a movable block 68 is installed on the guide shaft 67, and the movable block 68 is connected with one end of the lifting plate 61;
specifically, when the lifting plate 61 is lifted, the movable block 68 moves on the guide shaft 67, so that both ends of the lifting plate 61 are stably supported, thereby increasing stability.
Further, in the above technical solution, an installation frame 35 is installed at the air inlet 31 of the lower clamp 3, the installation frame 35 is of a '21274', and a sliding groove is formed in the installation frame 35, a docking frame 51 is installed at the outer side of the filter screen plate 5, and the docking frame 51 is adapted to the sliding groove of the installation frame 35;
specifically, filter plate 5 needs to be changed after using for a long time to guarantee prevent wind husky effect, and can accomplish convenient dismantlement and change through taking out in the spout that will dock frame 51 from installation frame 35.
This practical theory of operation:
the cooling fan 8 of this device blows in the inside iron core 2 of coil 1 with the outside wind of air inlet 31 through guide duct 9, thereby realize the forced air cooling of transformer, and the sand blown by the wind dust can be blockked by filter plate 5, and servo motor 65 can regularly start through the controller, thereby make bevel gear 66 meshing transmission, and then make lead screw 63 rotate, screw 64 goes up and down, and then make lifter plate 61 drive and clean brush 62 and clear up filter plate 5, prevent that filter plate 5 from blockking up, guarantee the air cooling radiating effect, promote the practicality.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides a large capacity is iron core structure for dry-type transformer, includes folder (3) and last folder (4) down, its characterized in that: the top of the lower clamping piece (3) is provided with a groove (32), a plurality of cushion blocks (33) are installed in the groove (32), three coils (1) are installed between the lower clamping piece (3) and the upper clamping piece (4), an iron core (2) is installed in the three coils (1), one side of the lower clamping piece (3) is provided with an air inlet (31), a filter screen plate (5) is installed at the air inlet (31), the lower clamping piece (3) is of a hollow structure, three cooling fans (8) are installed in the lower clamping piece (3), and air openings are formed in corresponding positions right below the three coils (1) at the top of the groove (32);
the utility model discloses a cleaning device, including lower folder (3), clean subassembly (6) including lifter plate (61) and lead screw (63) and servo motor (65), lead screw (63) are connected with folder (3) top and bottom both ends rotation down, install screw (64) on lead screw (63), screw (64) and lifter plate (61) are connected, install bevel gear (66), two on the bottom of lead screw (63) and the output shaft of servo motor (65) bevel gear (66) are perpendicular and the meshing, brush (62) are cleaned to one side of lifter plate (61) installation, clean brush (62) and filter screen plate (5) and contact.
2. The iron core structure for a large capacity dry type transformer according to claim 1, characterized in that: folder (3) is "worker" type structure down, go up folder (4) and be two "C" type piece middle structures of being connected through the connecting rod, three bracing piece (7), six are all installed to both sides between folder (3) and last folder (4) down the both ends of bracing piece (7) are the helicitic texture, the nut is all installed at the both ends of bracing piece (7).
3. The iron core structure for a large capacity dry type transformer according to claim 1, characterized in that: and the two ends of the two sides of the lower clamping piece (3) are respectively provided with a grounding connecting block (34), and the four grounding connecting blocks (34) are respectively provided with a through hole.
4. The iron core structure for a large capacity dry type transformer according to claim 1, characterized in that: and air guide pipes (9) are arranged at one ends of the three heat dissipation fans (8), the air guide pipes (9) are of L-shaped structures, and the air guide pipes (9) penetrate through the tops of the grooves (32).
5. The iron core structure for a large capacity dry type transformer according to claim 4, characterized in that: the filter screen disc is arranged at the inner top of the air guide pipe (9), and the outer diameter of the air guide pipe (9) is matched with the inner diameter of the coil (1).
6. The iron core structure for a large capacity dry type transformer according to claim 1, characterized in that: clean subassembly (6) still including guiding axle (67), inside lower folder (3) of lead screw (63) offside was installed in guiding axle (67), install movable block (68) on guiding axle (67), movable block (68) are connected with the one end of lifter plate (61).
7. The iron core structure for a large capacity dry type transformer according to claim 1, characterized in that: an installation frame (35) is installed at the air inlet (31) of the lower clamping piece (3), the installation frame (35) is of a '21274', a sliding groove is formed in the installation frame, a butt joint frame (51) is installed on the outer side of the filter screen plate (5), and the butt joint frame (51) is matched with the sliding groove of the installation frame (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222915828.2U CN218826526U (en) | 2022-10-31 | 2022-10-31 | Iron core structure for high-capacity dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222915828.2U CN218826526U (en) | 2022-10-31 | 2022-10-31 | Iron core structure for high-capacity dry-type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN218826526U true CN218826526U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222915828.2U Active CN218826526U (en) | 2022-10-31 | 2022-10-31 | Iron core structure for high-capacity dry-type transformer |
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| CN (1) | CN218826526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524634A (en) * | 2023-12-26 | 2024-02-06 | 通用技术集团工程设计有限公司 | Adjustable transformer |
-
2022
- 2022-10-31 CN CN202222915828.2U patent/CN218826526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524634A (en) * | 2023-12-26 | 2024-02-06 | 通用技术集团工程设计有限公司 | Adjustable transformer |
| CN117524634B (en) * | 2023-12-26 | 2024-05-24 | 通用技术集团工程设计有限公司 | Adjustable transformer |
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