Dry-type transformer with protection function

By using a combination structure of lightning rods, conductive wires and magnetic iron blocks in the dry transformer, a lightning protection path is formed, and a heat dissipation box and a heat dissipation fan is used to achieve rapid heat dissipation, which solves the problems of lightning strikes and heat dissipation in thunderstorms and improves the protection performance of the equipment and service life.

CN222319959UActive Publication Date: 2025-01-07HENAN SENDIAN ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202421023068.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-01-07
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

Existing dry transformers are easily struck by lightning during thunderstorms, causing damage to the box and poor heat dissipation effect, affecting the normal operation of the equipment.

Method used

A dry transformer with protection function was designed, using a combined structure of lightning rod, conductive wire, coil, magnetic iron block and ground wire to form a lightning protection path and achieve rapid heat dissipation through a heat dissipation box and a heat dissipation fan.

Benefits of technology

It effectively avoids damage to the transformer body by lightning strikes, extends the service life of the equipment, improves the heat dissipation effect, and enhances the protection performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of dry-type transformers, and particularly relates to a dry-type transformer with a protection function, which comprises a box body and a dry-type transformer body, the dry-type transformer body is arranged in the box body; one side of the box body is movably connected with a door plate; the top of the box body is fixedly connected with a lightning rod; the bottom of the lightning rod is fixedly connected with a conductive wire. One side of the box body is fixedly connected with a conductive box; a coil is arranged in the conductive box; one end of the coil is fixedly connected with the conductor wire; the other end of the coil is fixedly connected with a conductive metal block; one side of the conductive metal block is fixedly connected with a fixed rod; the problems that when an existing dry-type transformer is used in thunderstorm weather, a box body of the dry-type transformer can be split, the lightning protection effect of the box body of the dry-type transformer is poor, the dry-type transformer body in the box body can be damaged, and therefore work of the dry-type transformer is affected are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of dry-type transformers, in particular to a dry-type transformer with a protective function. Background Art

[0002] Dry-type transformers are widely used in places such as dock machinery and equipment. Simply put, a dry-type transformer refers to a transformer whose core and winding are not immersed in insulating oil.

[0003] In the current prior art, dry-type transformers are greatly affected by the environment. In order to ensure that the dry-type transformers can work normally, the dry-type transformers are usually installed in a closed casing or installed in an indoor environment to protect the dry-type transformers.

[0004] However, when the existing dry-type transformer is used in thunderstorm weather, the dry-type transformer box will be struck by lightning, and the lightning protection effect of the dry-type transformer box itself is poor, so that the dry-type transformer in the box will be damaged, thereby affecting the operation of the dry-type transformer. Therefore, a dry-type transformer with protective function is proposed to solve the above problem. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a dry-type transformer with a protective function.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a dry-type transformer with protective function described in the utility model comprises a box body and a dry-type transformer body; the dry-type transformer body is arranged inside the box body; a door panel is movably connected to one side of the box body; a lightning rod is fixedly connected to the top of the box body; a conductive wire is fixedly connected to the bottom of the lightning rod; a conductive box is fixedly connected to one side of the box body; a coil is arranged inside the conductive box; one end of the coil is fixedly connected to the conductive wire; the other end of the coil is fixedly connected to a conductive metal block; a fixed rod is fixedly connected to one side of the conductive metal block; one end of the fixed rod is fixedly connected to the inner wall of the conductive box; a guide rod is fixedly connected to the inside of the conductive box; a conductive metal plate is sleeved and connected to the surface of the guide rod; a connecting plate is fixedly connected to one side of the conductive metal plate; a magnetic iron block is fixedly connected to the top of the connecting plate; a grounding wire is fixedly connected to the bottom of the conductive metal plate; and a grounding block is fixedly connected to the bottom of the grounding wire.

[0007] Preferably, both sides of the box body are fixedly connected with heat dissipation boxes; the interior of the heat dissipation box is fixedly connected with a support rod; one end of the support rod is fixedly connected with a motor; and the output end of the motor is fixedly connected with a heat dissipation fan.

[0008] Preferably, one side of the connecting plate is fixedly connected to a limit slider; the inner sleeve of the limit slider is connected to a limit slider rod; both ends of the limit slider rod pass through the limit slider and are fixedly connected to the inner wall of the box body; the surface of the box body is provided with a limit slider groove used in conjunction with the limit slider; the limit slider rod is located in the limit slider groove.

[0009] Preferably, a filter plate is provided on one side of the heat dissipation box; the filter plate is used in conjunction with a heat dissipation fan.

[0010] Preferably, a first heat dissipation groove is opened on the surface of the box; the number of the first heat dissipation grooves is several, and the first heat dissipation grooves are evenly distributed on the surface of the box; the first heat dissipation grooves are used in conjunction with a heat dissipation fan.

[0011] Preferably, both sides of the filter plate are fixedly connected with mounting blocks; the surface of the mounting block is threadedly connected with a threaded column; the surface of the threaded column is threadedly connected to the surface of the heat sink.

[0012] Preferably, a second heat dissipation groove is provided on the surface of the conductive box, and the second heat dissipation groove is used in conjunction with the coil in the conductive box.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a dry-type transformer with a protective function. After the lightning rod on the box is struck by lightning, the lightning reaches the coil through the conductive wire, so that the coil is energized to generate magnetism, which attracts the magnetic iron block, so that the magnetic iron block moves upward, and the magnetic iron block drives the connecting plate to move upward, and the connecting plate drives the conductive metal plate to move upward, so that one end of the conductive metal plate is connected to the conductive metal block, so that the conductive metal plate is energized, and the current reaches the grounding wire through the conductive metal plate, and then is guided to the grounding block through the grounding wire, and is absorbed by the ground, so that the box is protected from lightning, thereby protecting the dry-type transformer body, reducing damage to the dry-type transformer, and reducing the impact on the operation of the dry-type transformer body.

[0015] 2. The utility model provides a dry-type transformer with a protective function. Through the motor in the heat dissipation box, the motor drives the heat dissipation fan to rotate, and the heat dissipation fan causes the air to flow rapidly, thereby dissipating heat in the box, reducing damage to the dry-type transformer body, and extending the service life of the dry-type transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a rear partial cutaway stereoscopic view of the dry-type transformer in the utility model;

[0019] Figure 3 It is a rear cutaway stereoscopic view of the dry-type transformer in the utility model;

[0020] Figure 4 It is a front perspective view of the dry-type transformer in the utility model;

[0021] Figure 5 It is a top view and a cutaway perspective view of the dry-type transformer in the utility model;

[0022] Figure 6 This utility model Figure 5 A partial enlarged stereoscopic image of point A in the middle.

[0023] Legend:

[0024] 1. Box body; 101. Dry-type transformer body; 102. Door panel; 103. Lightning rod; 104. Conductive wire; 105. Coil; 106. Conductive metal block; 107. Fixing rod; 108. Conductive box; 109. Guide rod; 110. Conductive metal plate; 111. Connecting plate; 112. Magnetic iron block; 113. Grounding wire; 114. Grounding block; 2. Heat sink; 201. Support rod; 202. Motor; 203. Cooling fan; 3. Limiting slider; 301. Limiting slider; 302. Limiting slide groove; 4. Filter plate; 5. First heat sink; 6. Mounting block; 601. Threaded column; 7. Second heat sink. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] Specific examples are given below.

[0027] See also Figure 1 - Figure 6The utility model provides a dry-type transformer with a protective function, comprising a box body 1 and a dry-type transformer body 101; the dry-type transformer body 101 is arranged inside the box body 1; a door panel 102 is movably connected to one side of the box body 1; a lightning rod 103 is fixedly connected to the top of the box body 1; a conductive wire 104 is fixedly connected to the bottom of the lightning rod 103; a conductive box 108 is fixedly connected to one side of the box body 1; a coil 105 is arranged inside the conductive box 108; one end of the coil 105 is fixedly connected to the conductive wire 104; the other end of the coil 105 is fixedly connected to a conductive metal block 106; one side of the conductive metal block 106 is fixedly connected to a fixing rod 107; one end of the fixing rod 107 is fixedly connected to the inner wall of the conductive box 108; a guide rod 109 is fixedly connected to the inside of the conductive box 108; a conductive metal plate 110 is sleeved and connected to the surface of the guide rod 109; a connecting plate 111 is fixedly connected to one side of the conductive metal plate 110; The top of the connecting plate 111 is fixedly connected with a magnetic iron block 112; the bottom of the conductive metal plate 110 is fixedly connected with a grounding wire 113; the bottom of the grounding wire 113 is fixedly connected with a grounding block 114; when working, after the lightning rod 103 on the box body 1 is struck by lightning, the lightning reaches the coil 105 through the conductive wire 104, so that the coil 105 is energized to generate magnetism, attracting the magnetic iron block 112, so that the magnetic iron block 112 moves upward, and the magnetic iron block 112 drives the connecting plate 111 to move upward, and the connecting plate 111 is connected to the connecting plate 111. The connecting plate 111 drives the conductive metal plate 110 to move upward, so that one end of the conductive metal plate 110 is connected to the conductive metal block 106, so that the conductive metal plate 110 is energized, and the current passes through the conductive metal plate 110 to reach the grounding wire 113, and then is guided to the grounding block 114 through the grounding wire 113, and is absorbed by the ground, so as to provide lightning protection for the box body 1, thereby protecting the dry-type transformer body 101, reducing damage to the dry-type transformer, and reducing the impact on the operation of the dry-type transformer body 101.

[0028] Further, such as Figure 1 and Figure 5 As shown, both sides of the box body 1 are fixedly connected with a heat dissipation box 2; the interior of the heat dissipation box 2 is fixedly connected with a support rod 201; one end of the support rod 201 is fixedly connected with a motor 202; the output end of the motor 202 is fixedly connected with a heat dissipation fan 203; when working, the motor 202 in the heat dissipation box 2 drives the heat dissipation fan 203 to rotate, and the heat dissipation fan 203 causes the air to flow rapidly, thereby dissipating the heat in the box body 1, reducing the damage to the dry-type transformer body 101, and extending the service life of the dry-type transformer.

[0029] Further, such as Figure 6As shown, one side of the connecting plate 111 is fixedly connected to the limit slider 3; the internal sleeve of the limit slider 3 is connected to the limit slider 3; both ends of the limit slider 301 pass through the limit slider 3 and are fixedly connected to the inner wall of the box body 1; the surface of the box body 1 is provided with a limit slide groove 302 used in conjunction with the limit slider 3; the limit slider 301 is located in the limit slide groove 302; when working, the connecting plate 111 drives the limit slider 3 to slide on the limit slider 301, so that the limit slider 301 horizontally limits the connecting plate 111 to prevent the connecting plate 111 from deviating, reduce the wear of the connecting plate 111, make the connecting plate 111 move easier, and extend the service life of the connecting plate 111.

[0030] Further, such as Figure 1 As shown, a filter plate 4 is provided on one side of the heat dissipation box 2; the filter plate 4 is used in conjunction with the heat dissipation fan 203; when working, it can filter the air entering the box body 1 to reduce the entry of dust, thereby reducing damage to the dry-type transformer body 101 and extending the service life of the dry-type transformer body 101.

[0031] Further, such as Figure 1 As shown, the surface of the box body 1 is provided with a first heat dissipation slot 5; the number of the first heat dissipation slots 5 is several, and the first heat dissipation slots 5 are evenly distributed on the surface of the box body 1; the first heat dissipation slots 5 are used in conjunction with the heat dissipation fan 203; when working, ventilation and heat dissipation are performed through the first heat dissipation slots 5, so that the first heat dissipation slots 5 cooperate with the heat dissipation fan 203 to achieve a better heat dissipation effect on the dry-type transformer body 101, thereby performing heat dissipation protection for replacing the dry-type transformer body 101.

[0032] Further, such as Figure 5 As shown, both sides of the filter plate 4 are fixedly connected with mounting blocks 6; the surface of the mounting block 6 is threadedly connected with a threaded column 601; the surface of the threaded column 601 is threadedly connected to the surface of the heat sink 2; when working, the user rotates the threaded column 601 to disengage the threaded column 601 from the heat sink 2, so that the filter plate 4 is disengaged from the heat sink 2, thereby disassembling the heat sink 2 and facilitating the replacement and cleaning of the filter plate 4.

[0033] Further, such as Figure 1 As shown, the surface of the conductive box 108 is provided with a second heat dissipation groove 7, and the second heat dissipation groove 7 is used in conjunction with the coil 105 in the conductive box 108; when working, the conductive box 108 is ventilated and heat is dissipated through the second heat dissipation groove 7, so that the heat generated by the coil 105 is dissipated, the impact on the coil 105 is reduced, and the service life of the coil 105 is extended.

[0034] Working principle: After the lightning rod 103 on the box 1 is struck by lightning, the lightning reaches the coil 105 through the conductive wire 104, so that the coil 105 is energized to generate magnetism, which attracts the magnetic iron block 112, causing the magnetic iron block 112 to move upward, and the magnetic iron block 112 drives the connecting plate 111 to move upward, and the connecting plate 111 drives the conductive metal plate 110 to move upward, so that one end of the conductive metal plate 110 is connected to the conductive metal block 106, so that the conductive metal plate 110 is energized, and the current passes through the conductive metal plate 110 to reach the grounding wire 113, and then The grounding wire 113 guides the grounding block 114, and is absorbed by the ground, so as to provide lightning protection for the box body 1, thereby protecting the dry-type transformer body 101, reducing damage to the dry-type transformer, and reducing the impact on the operation of the dry-type transformer body 101. The motor 202 in the heat dissipation box 2 drives the cooling fan 203 to rotate, and the cooling fan 203 causes the air to flow rapidly, thereby dissipating heat in the box body 1, reducing damage to the dry-type transformer body 101, and extending the service life of the dry-type transformer. The connecting plate 111 The limit slider 3 is driven to slide on the limit slider 301, so that the limit slider 301 horizontally limits the connection plate 111, prevents the connection plate 111 from deviating, reduces the wear of the connection plate 111, makes the connection plate 111 move more easily, and prolongs the service life of the connection plate 111. It can filter the air entering the box body 1, reduce the entry of dust, thereby reducing the damage to the dry-type transformer body 101, and prolongs the service life of the dry-type transformer body 101. Ventilation and heat dissipation are carried out through the first heat dissipation groove 5, so that the first heat dissipation groove 5 and the heat dissipation groove 5 are connected. The hot fan 203 cooperates with the dry-type transformer body 101 to achieve better heat dissipation effect, thereby providing better heat dissipation protection for the dry-type transformer body 101. The user rotates the threaded column 601 to separate the threaded column 601 from the heat dissipation box 2, and separates the filter plate 4 from the heat dissipation box 2, thereby disassembling the heat dissipation box 2, making it easier to replace and clean the filter plate 4. The conductive box 108 is ventilated and heat is dissipated through the second heat dissipation slot 7, thereby dissipating the heat generated by the coil 105, reducing the impact on the coil 105, and extending the service life of the coil 105.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A dry-type transformer with a protective function, comprising a box (1) and a dry-type transformer body (101); characterized in that: The dry-type transformer body (101) is arranged inside a box (1); a door panel (102) is movably connected to one side of the box (1); a lightning rod (103) is fixedly connected to the top of the box (1); a conductive wire (104) is fixedly connected to the bottom of the lightning rod (103); a conductive box (108) is fixedly connected to one side of the box (1); a coil (105) is arranged inside the conductive box (108); one end of the coil (105) is fixedly connected to the conductive wire (104); the other end of the coil (105) is fixedly connected to a conductive metal block (106); the conductive metal block (106) A fixing rod (107) is fixedly connected to one side; one end of the fixing rod (107) is fixedly connected to the inner wall of the conductive box (108); a guide rod (109) is fixedly connected to the inside of the conductive box (108); a conductive metal plate (110) is sleeved and connected to the surface of the guide rod (109); a connecting plate (111) is fixedly connected to one side of the conductive metal plate (110); a magnetic iron block (112) is fixedly connected to the top of the connecting plate (111); a grounding wire (113) is fixedly connected to the bottom of the conductive metal plate (110); and a grounding block (114) is fixedly connected to the bottom of the grounding wire (113).

2. A dry-type transformer with protective function according to claim 1, characterized in that: Both sides of the box body (1) are fixedly connected to a heat dissipation box (2); the interior of the heat dissipation box (2) is fixedly connected to a support rod (201); one end of the support rod (201) is fixedly connected to a motor (202); and the output end of the motor (202) is fixedly connected to a heat dissipation fan (203).

3. The dry-type transformer with protection function according to claim 1, characterized in that: One side of the connecting plate (111) is fixedly connected to a limit slider (3); the limit slider (3) is sleeved inside and connected to a limit slider rod (301); both ends of the limit slider rod (301) penetrate the limit slider (3) and are fixedly connected to the inner wall of the box body (1); a limit slider groove (302) for use with the limit slider (3) is provided on the surface of the box body (1); and the limit slider rod (301) is located in the limit slider groove (302).

4. The dry-type transformer with protection function according to claim 2, characterized in that: A filter plate (4) is provided on one side of the heat dissipation box (2); the filter plate (4) is used in conjunction with a heat dissipation fan (203).

5. The dry-type transformer with protective function according to claim 2, characterized in that: The surface of the box body (1) is provided with first heat dissipation grooves (5); the number of the first heat dissipation grooves (5) is a plurality, and the first heat dissipation grooves (5) are evenly distributed on the surface of the box body (1); the first heat dissipation grooves (5) are used in conjunction with a heat dissipation fan (203).

6. The dry-type transformer with protection function according to claim 4, characterized in that: Both sides of the filter plate (4) are fixedly connected with mounting blocks (6); the surface of the mounting block (6) is threadedly connected with a threaded column (601); and the surface of the threaded column (601) is threadedly connected to the surface of the heat sink (2).

7. The dry-type transformer with protection function according to claim 1, characterized in that: A second heat dissipation groove (7) is provided on the surface of the conductive box (108), and the second heat dissipation groove (7) is used in conjunction with the coil (105) in the conductive box (108).