Outdoor intelligent rainproof dry-type transformer

By designing an intelligent waterproof mechanism in an outdoor dry transformer, and using water-immersed sensors and electric push rods to cut off and drain the power supply, the problem of traditional transformers not being able to be powered off in time in heavy rain situations is solved, and the safety and reliability of the transformer are improved.

CN222883336UActive Publication Date: 2025-05-16DONGGUAN KANGDEWEI TRANSFORMER CO LTD
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Patent Information

Application Number
CN202420851782.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-05-16
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

In heavy rain, traditional outdoor dry transformers are prone to water seepage in the bottom of the shell, causing the power supply to be unable to be disconnected in time, causing the transformer to be paralyzed.

Method used

An outdoor intelligent rainproof dry transformer is designed, using a placing box and a waterproof mechanism. The waterproof mechanism includes a water-soaked sensor, an electric push rod and a dredging board. When rainwater seeps into the box, the water-soaked sensor sends a signal to cut off the power supply, and pushes the dredging board to drain water through the electric push rod.

Benefits of technology

It realizes that when water seepage at the bottom of the outdoor dry transformer shell, the power supply is cut off in time to protect the transformer from loss, and improves the safety of the transformer's use by draining the plate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an outdoor intelligent rainproof dry-type transformer, which belongs to the technical field of transformers, and comprises a placing box body and a waterproof mechanism, the placing bottom is provided with a mounting groove, the waterproof mechanism comprises two dredging plates and a fixing frame, each dredging plate is rotatably embedded between the inner walls of the mounting groove through a torsion spring, and the fixing frame is fixed on the mounting groove. The placement box body provides protection for the transformer and carries out preliminary rain and water prevention on the transformer, a water immersion sensor is installed on the inner bottom wall of the placement box body through a fixing frame, and when the natural waterproof design of the outer placement box body is damaged and rainwater infiltrates into the placement box body, the water immersion sensor sends a signal to the power distribution intelligent equipment after detecting the signal; a tripping signal is sent to the high-voltage switch cabinet through the intelligent power distribution equipment, a power supply of the transformer is cut off in time, the transformer is protected against loss, meanwhile, the electric push rod on the fixing frame is started, the electric push rod pushes the dredging plate to rotate through the abutting head, accumulated water at the bottom in the containing box is discharged, and the use safety of the transformer is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of transformers, and more specifically to an outdoor intelligent rainproof dry-type transformer. Background Art

[0002] Transformers are basic equipment for power transmission and distribution, and are widely used in industry, agriculture, transportation, urban communities and other fields.

[0003] Outdoor dry-type transformer refers to a dry-type transformer installed in an outdoor environment. It is usually used to provide power for outdoor equipment or facilities, such as street lights, traffic lights, security monitoring systems, etc.

[0004] Task requirements: Dry-type transformers suitable for outdoor places, with an outdoor waterproof grade of IP33, solve the problem of dry-type transformers being used in outdoor places. In addition, an intelligent waterproof system is installed on the shell (the power supply is taken from the low-voltage side of the transformer), and a water immersion sensor is installed at the bottom of the shell. When the natural waterproof design of the shell is destroyed and rainwater penetrates into the shell, the water immersion sensor will send a signal to the power distribution intelligent device after detecting the signal, and send a trip signal to the high-voltage switch cabinet through the power distribution intelligent device, so as to cut off the power supply of the transformer in time and protect the transformer from loss.

[0005] In the prior art, since outdoor dry-type transformers are outdoors for a long time, most transformers are provided with an outer shell to prevent rain and water. However, when heavy rain occurs, rainwater will inevitably seep into the bottom of the transformer shell. If the transformer is not powered off, it is easy to cause the transformer to be paralyzed. Utility Model Content

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide an outdoor intelligent rainproof dry-type transformer, aiming to solve the problem that it is inconvenient to promptly cut off the power supply to the transformer when water seeps into the bottom of the casing of the traditional outdoor dry-type transformer.

[0007] In order to solve the above problems, the utility model adopts the following technical solutions:

[0008] An outdoor intelligent rainproof dry-type transformer, comprising:

[0009] A placement box, wherein a mounting groove is provided at the bottom of the placement box; and

[0010] The waterproof mechanism includes two dredging plates and a fixing frame. Each of the dredging plates is rotatably embedded between the inner walls of the mounting groove through a torsion spring. The fixing frame is fixedly connected to the bottom wall of the placement box. A water immersion sensor is installed between the inner walls of the fixing frame. Two electric push rods are embedded and installed on the top of the fixing frame. One end of each electric push rod is fixedly connected to a contact head.

[0011] As a preferred solution of the utility model, an extension angle is provided at the edge of the outer wall on one side of each dredging plate.

[0012] As a preferred solution of the utility model, a rainproof plate is fixedly connected to the top of the placement box.

[0013] As a preferred solution of the utility model, the outer walls on both sides of the placement box are provided with a plurality of heat dissipation holes, and the inner wall of each heat dissipation hole is fixedly connected to a protective cover.

[0014] As a preferred solution of the utility model, a box door is hinged on the outer wall of one side of the storage box, and a transparent observation window and a handle are installed on the outer wall of the box door.

[0015] As a preferred solution of the utility model, two support frames are fixedly connected to the bottom of the placement box.

[0016] Beneficial Effects

[0017] Compared with the prior art, the utility model provides an outdoor intelligent rainproof dry-type transformer, which has the following beneficial effects:

[0018] 1. In this scheme, the placement box provides protection for the transformer and performs preliminary rain and water protection for the transformer. A water immersion sensor is installed on the bottom wall of the placement box through a fixed frame. When the natural waterproof design of the external placement box is destroyed and rainwater penetrates into the placement box, the water immersion sensor will send a signal to the power distribution intelligent device after detecting the signal, and the power distribution intelligent device will send a tripping signal to the high-voltage switch cabinet to cut off the power supply of the transformer in time to protect the transformer from loss. At the same time, the electric push rod on the fixed frame is started, and the electric push rod pushes the dredging plate to rotate through the contact head to discharge the accumulated water at the bottom of the placement box, thereby improving the safety of transformer use.

[0019] 2. In this solution, the extension angle is used to restrict the dredge board so that the dredge board is at the same level as the bottom wall of the placement box under normal circumstances, and the installation groove is sealed to prevent the dredge board from rotating into the placement box and affecting the use of the dredge board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a second perspective stereogram of the utility model;

[0022] Figure 3 It is a cross-sectional view of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Place the box; 2. Waterproof mechanism; 201. Clearance plate; 202. Fixing bracket; 203. Water immersion sensor; 204. Electric push rod; 205. Contact head; 3. Extension angle; 4. Rainproof plate; 5. Heat dissipation hole; 6. Protective cover; 7. Box door; 8. Transparent observation window; 9. Handle; 10. Support frame. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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.

[0026] Example:

[0027] See also Figure 1-3 , an outdoor intelligent rainproof dry-type transformer, comprising:

[0028] A mounting box 1 is placed, and a mounting groove is provided at the bottom of the mounting box; and

[0029] The waterproof mechanism 2 includes two dredging plates 201 and a fixing frame 202. Each dredging plate 201 is rotatably embedded between the inner walls of the mounting groove through a torsion spring. The fixing frame 202 is fixedly connected to the inner bottom wall of the placement box 1. A water immersion sensor 203 is installed between the inner walls of the fixing frame 202. Two electric push rods 204 are embedded and installed on the top of the fixing frame 202. One end of each electric push rod 204 is fixedly connected to a contact head 205.

[0030] In the embodiment, the placement box 1 provides protection for the transformer and performs preliminary rain and water protection for the transformer. In the initial state, the dredging plate 201 seals the installation groove under the action of the torsion spring, and the inner bottom wall of the placement box 1 is installed with a water immersion sensor 203 through the fixing frame 202. When the natural waterproof design of the external placement box 1 is destroyed and rainwater penetrates into the placement box 1, the water immersion sensor 203 will send a signal to the power distribution intelligent device after detecting the signal, and send a tripping signal to the high-voltage switch cabinet through the power distribution intelligent device to cut off the power supply of the transformer in time and protect the transformer from loss. The water immersion sensor 203, the power distribution intelligent device and the switch cabinet are all existing technologies and will not be described here. At the same time, the electric push rod 204 on the fixing frame 202 is started, and the electric push rod 204 pushes the dredging plate 201 to rotate through the contact head 205 to discharge the accumulated water at the bottom of the placement box 1, thereby improving the safety of transformer use.

[0031] Please combine the specific Figure 3 As shown, an extension corner 3 is provided at the edge of the outer wall on one side of each dredging plate 201.

[0032] In this embodiment, the extension angle 3 is used to conveniently restrict the clearing plate 201 so that the clearing plate 201 is normally at the same level as the bottom wall of the placement box 1, and the installation groove is sealed to prevent the clearing plate 201 from rotating into the placement box 1 and affecting the use of the clearing plate 201.

[0033] Please combine the specific Figure 1 As shown, a rainproof plate 4 is fixedly connected to the top of the placement box 1.

[0034] In this embodiment, the rainproof plate 4 is used to improve the rainproof effect of the storage box 1.

[0035] Please combine the specific Figure 2 As shown, multiple heat dissipation holes 5 are opened on the outer walls of both sides of the placement box 1, and a protective cover 6 is fixedly connected to the inner wall of each heat dissipation hole 5.

[0036] In this embodiment, the heat dissipation holes 5 facilitate heat dissipation of the box 1 to avoid excessively high temperature inside the box 1, which affects the use of the transformer and other components inside the box 1. The protective cover 6 facilitates the protection of the heat dissipation holes 5.

[0037] Please combine the specific Figure 1 As shown, a box door 7 is hinged on the outer wall of one side of the box body 1, and a transparent observation window 8 and a handle 9 are installed on the outer wall of the box door 7.

[0038] In this embodiment, the box door 7 is convenient for installing the components inside the box body 1, the handle 9 is convenient for opening and closing the box door 7, and the transparent observation window 8 is convenient for checking the use of the components inside the box body 1.

[0039] Please combine the specific Figure 1 As shown, two support frames 10 are fixedly connected to the bottom of the placement box 1.

[0040] In this embodiment, the support frame 10 is used to facilitate the installation, fixing and support of the box body 1.

[0041] Working principle: When in use, the placement box 1 is installed and fixed by the support frame 10, the transformer and other components are installed inside the placement box 1, the rainproof plate 4 provides preliminary rain and water protection for the placement box 1, and the heat dissipation holes 5 dissipate heat for the placement box 1. When the natural waterproof design of the outer placement box 1 is destroyed and rainwater penetrates into the placement box 1, the water immersion sensor 203 will send a signal to the power distribution intelligent device after detecting the signal, and the power distribution intelligent device will send a tripping signal to the high-voltage switch cabinet to cut off the power supply of the transformer in time to protect the transformer from loss. At the same time, the electric push rod 204 on the fixing frame 202 is started, and the electric push rod 204 pushes the dredging plate 201 to rotate through the contact head 205, opens the installation groove at the bottom of the placement box 1, and quickly discharges the accumulated water inside.

[0042] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0043] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. An outdoor intelligent rainproof dry-type transformer, characterized in that: include: A placement box (1), wherein a mounting groove is provided at the bottom of the placement box; and A waterproof mechanism (2), the waterproof mechanism (2) comprising two dredging plates (201) and a fixing frame (202), each of the dredging plates (201) being rotatably embedded between the inner walls of the installation groove through a torsion spring, the fixing frame (202) being fixedly connected to the inner bottom wall of the placement box (1), a water immersion sensor (203) being installed between the inner walls of the fixing frame (202), two electric push rods (204) being embedded and installed on the top of the fixing frame (202), and one end of each of the electric push rods (204) being fixedly connected to a contact head (205).

2. An outdoor intelligent rainproof dry-type transformer according to claim 1, characterized in that: An extension corner (3) is provided at the edge of the outer wall of one side of each dredging plate (201).

3. An outdoor intelligent rainproof dry-type transformer according to claim 2, characterized in that: A rainproof plate (4) is fixedly connected to the top of the placement box (1).

4. The outdoor intelligent rainproof dry-type transformer according to claim 3 is characterized in that: The outer walls of both sides of the placement box (1) are provided with a plurality of heat dissipation holes (5), and the inner wall of each heat dissipation hole (5) is fixedly connected with a protective cover (6).

5. The outdoor intelligent rainproof dry-type transformer according to claim 4 is characterized in that: A box door (7) is hingedly connected to an outer wall of one side of the storage box (1), and a transparent observation window (8) and a handle (9) are installed on the outer wall of the box door (7).

6. The outdoor intelligent rainproof dry-type transformer according to claim 5, characterized in that: Two support frames (10) are fixedly connected to the bottom of the placement box (1).