Safety transformer with lightning protection function
By designing lightning rods and conductive ring structures on transformers, the problem of lightning protection for transformers has been solved, achieving effective lightning protection and equipment protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN YUTENG ELECTRONICS CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-01
AI Technical Summary
Existing transformers have poor lightning protection when installed outdoors, making them susceptible to damage to internal components from lightning strikes.
A safety transformer structure with a lightning rod and a conductive ring was designed. The lightning rod gathers charges to form a conductive channel, safely guiding lightning to the ground and avoiding direct lightning strikes.
It effectively prevents transformers from being struck by lightning, protects internal parts from damage, and also has moisture-proof and heat dissipation functions, improving the safety and reliability of the equipment.
Smart Images

Figure CN224190758U_ABST
Abstract
Description
A safety transformer with lightning protection function Technical Field
[0001] This utility model relates to the construction field, and in particular to a safety transformer with lightning protection function. Background Technology
[0002] With the rapid development of my country's national economy, the demand for electricity is also increasing. As the main equipment in the power transmission and transformation system, transformers have also developed rapidly. A transformer is a device that uses the principle of electromagnetic induction to convert one level of voltage and current into another level of voltage and current at the same frequency between two or more coils and transmit electrical energy.
[0003] Existing transformers are mostly installed outdoors and have poor lightning protection. When exposed to severe weather, most existing transformers are not equipped with lightning protection devices, making them vulnerable to lightning strikes and causing damage to internal components. To address this issue, we propose a safety transformer with lightning protection function. Summary of the Invention
[0004] The purpose of this invention is to provide a safety transformer with lightning protection function to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A safety transformer with lightning protection function includes a housing, inside which a transformer body is installed. An insulating protective pad is connected to the upper surface of the housing, and a first insulating post is connected to the upper surface of the insulating protective pad. A lightning rod body is installed at the top of the first insulating post, and a first conductive ring is connected to the outer surface of the lightning rod body. A connecting wire is electrically connected to the outer surface of the first conductive ring. A second insulating post is connected to the left side of the housing, and a second conductive ring is connected to the outer surface of the second insulating post. The output end of the connecting wire is electrically connected to the outer surface of the second conductive ring, and a grounding wire is electrically connected to the outer surface of the second conductive ring. An inspection door is hinged to the front of the housing, and a door handle is connected to the front of the inspection door.
[0007] In a further embodiment, the inner bottom wall of the enclosure is connected to a moisture-proof rubber pad, and the upper surface of the moisture-proof rubber pad is in contact with the bottom surface of the transformer body.
[0008] In a further embodiment, the inspection door has an observation window on its front, and the interior of the observation window is connected to transparent glass.
[0009] In a further embodiment, the inner top wall of the housing is connected to two sets of equidistant heat dissipation fins, and the inner side wall of the housing has two heat dissipation windows, each of which is connected to a dust filter.
[0010] In a further embodiment, the inner bottom wall of the housing is connected to two sets of positioning rods, and the left and right sides of the transformer body are connected to connecting plates, with a set of positioning holes opened inside the two connecting plates.
[0011] In a further embodiment, mounting plates are connected to both the left and right sides of the housing, and a set of mounting holes are provided on the front of each of the two mounting plates.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This device first utilizes the lightning rod itself. When a charged cloud approaches the enclosure, a large amount of charge accumulates at the tip of the lightning rod, ionizing the air and creating a conductive path. Through the combined action of the lightning rod, the first conductive ring, the connecting wire, the second conductive ring, and the grounding wire, the charge in the cloud is safely conducted into the ground. This prevents direct discharge between the cloud and the enclosure, thus protecting the transformer inside the enclosure from lightning strikes. Attached Figure Description
[0014] Figure 1 is a three-dimensional structural diagram of a safety transformer with lightning protection function.
[0015] Figure 2 is a side view of a safety transformer with lightning protection function.
[0016] Figure 3 is a front sectional view of a safety transformer with lightning protection function.
[0017] Figure 4 is a top sectional view of a safety transformer with lightning protection function.
[0018] In the diagram: 1. Enclosure; 2. Transformer body; 3. Insulating protective pad; 4. First insulating column; 5. Lightning rod body; 6. First conductive ring; 7. Connecting wire; 8. Second insulating column; 9. Second conductive ring; 10. Grounding wire; 11. Inspection door; 12. Door handle; 13. Moisture-proof rubber pad; 14. Observation window; 15. Heat dissipation fins; 16. Heat dissipation window; 17. Positioning rod; 18. Connecting plate; 19. Positioning hole; 20. Mounting plate; 21. Mounting hole. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please refer to Figures 1-4. This utility model discloses a safety transformer with lightning protection function, comprising a housing 1, a transformer body 2 installed inside the housing 1, an insulating protective pad 3 connected to the upper surface of the housing 1, a first insulating post 4 connected to the upper surface of the insulating protective pad 3, a lightning rod body 5 installed at the top of the first insulating post 4, a first conductive ring 6 connected to the outer surface of the lightning rod body 5, and a connecting wire 7 electrically connected to the outer surface of the first conductive ring 6. A second insulating post 8 is connected to the left side of the housing 1, a second conductive ring 9 connected to the outer surface of the second insulating post 8, and the output of the connecting wire 7... The first conductive ring 6 is electrically connected to the outer surface of the second conductive ring 9, and the outer surface of the second conductive ring 9 is electrically connected to the grounding wire 10. The front of the box 1 is hinged to the inspection door 11, and the front of the inspection door 11 is connected to the door handle 12. By utilizing the large amount of charge accumulated at the tip of the lightning rod body 5, the air can be ionized, thereby forming a conductive channel. This allows lightning in the cloud to be safely conducted into the ground through the cooperation of the lightning rod body 5, the first conductive ring 6, the connecting wire 7, the second conductive ring 9, and the grounding wire 10, thereby preventing the transformer body 2 inside the box 1 from being struck by lightning.
[0021] A moisture-proof rubber pad 13 is connected to the inner bottom wall of the enclosure 1. The upper surface of the moisture-proof rubber pad 13 is in contact with the bottom surface of the transformer body 2. An observation window 14 is provided on the front of the inspection door 11. The inside of the observation window 14 is connected with transparent glass. Two sets of equidistant heat dissipation fins 15 are connected to the inner top wall of the enclosure 1. Two heat dissipation windows 16 are provided on the inner side wall of the enclosure 1. Each heat dissipation window 16 is connected with a dust filter. The moisture-proof rubber pad 13 can play a good role in preventing moisture, thus preventing the transformer body 2 from being corroded by moisture. The observation window 14 allows the staff to easily check the operating status of the transformer body 2 from the outside of the enclosure 1. The combination of heat dissipation fins 15 and heat dissipation windows 16 can not only absorb the heat inside the enclosure 1, but also allow the hot air generated inside the enclosure 1 to be discharged into the enclosure 1, thus playing a good heat dissipation role inside the enclosure 1. This can prevent the transformer body 2 inside the enclosure 1 from being corroded by high temperature.
[0022] Two sets of positioning rods 17 are connected to the inner bottom wall of the enclosure 1. Connecting plates 18 are connected to the left and right sides of the transformer body 2. A set of positioning holes 19 are opened inside the two connecting plates 18. Mounting plates 20 are connected to the left and right sides of the enclosure 1. A set of mounting holes 21 are opened on the front of the two mounting plates 20. The combination of positioning rods 17, connecting plates 18 and positioning holes 19 can play a good limiting effect when the operator installs the transformer body 2 into the interior of the enclosure 1. The combination of mounting plates 20 and mounting holes 21 can facilitate the operator to fix the enclosure 1 to the wall.
[0023] The working principle of this utility model is as follows:
[0024] When using this device, the operator first uses the door handle 12 to open the maintenance door 11 and installs the transformer body 2 into the interior of the enclosure 1. Then, the operator uses the mounting plate 20 and the mounting hole 21 to fix the enclosure 1 to the high wall and connect the transformer body 2 to the external power supply. At this time, the transformer body 2 can start to operate normally. When the transformer body 2 is operating normally and encounters thunderstorms, a large amount of charge will accumulate at the tip of the lightning rod body 5. This charge will ionize the air and form a conductive channel above the lightning rod body 5. This allows the charge in the air to be safely conducted to the ground through the combination of the lightning rod body 5, the first conductive ring 6, the connecting wire 7, the second conductive ring 9, and the grounding wire 10. This can prevent the transformer body 2 from being impacted by the charge. The above is the complete operation procedure of this device.
[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A safety transformer having a lightning protection function, characterized by: The enclosure includes a housing (1), inside which a transformer body (2) is installed. An insulating protective pad (3) is connected to the upper surface of the housing (1). A first insulating column (4) is connected to the upper surface of the insulating protective pad (3). A lightning rod body (5) is installed at the top of the first insulating column (4). A first conductive ring (6) is connected to the outer surface of the lightning rod body (5). A connecting wire (7) is electrically connected to the outer surface of the first conductive ring (6). A second insulating column (8) is connected to the left side of the housing (1). A second conductive ring (9) is connected to the outer surface of the second insulating column (8). The output end of the connecting wire (7) is electrically connected to the outer surface of the second conductive ring (9). A grounding wire (10) is electrically connected to the outer surface of the second conductive ring (9). An inspection door (11) is hinged to the front of the housing (1). A door handle (12) is connected to the front of the inspection door (11).
2. A safety transformer with lightning protection function according to claim 1, characterized in that: The inner bottom wall of the enclosure (1) is connected to a moisture-proof rubber pad (13), and the upper surface of the moisture-proof rubber pad (13) is in contact with the bottom surface of the transformer body (2).
3. The safety transformer with lightning protection function according to claim 1, characterized in that: The inspection door (11) has an observation window (14) on its front, and the interior of the observation window (14) is connected with transparent glass.
4. The safety transformer with lightning protection function according to claim 1, characterized in that: The inner top wall of the box (1) is connected to two sets of heat dissipation fins (15) arranged at equal distances. The inner side wall of the box (1) has two heat dissipation windows (16), and each heat dissipation window (16) is connected to a dust filter.
5. A safety transformer with lightning protection function according to claim 1, characterized in that: The inner bottom wall of the housing (1) is connected to two sets of positioning rods (17), and the left and right sides of the transformer body (2) are connected to connecting plates (18). Each of the two connecting plates (18) has a set of positioning holes (19).
6. A safety transformer with lightning protection function according to claim 1, characterized in that: The left and right sides of the box (1) are connected to mounting plates (20), and a set of mounting holes (21) are opened on the front of the two mounting plates (20).