Oil-immersed power transformer

Abstract

The utility model discloses an oil-immersed power transformer which comprises a device body, a baffle plate is installed on the upper surface of the device body through a fixing column, a smoke sensor is arranged on the lower surface of the baffle plate, the smoke sensor is connected with a fire extinguisher through a wire, a buzzer is arranged on the upper surface of the baffle plate, and the buzzer is connected with the fire extinguisher through a wire. A base is arranged below the device body, the side surface of the base is sleeved with a fixing plate, the fixing plate is in threaded connection with a lead screw, and a first bevel gear is arranged on the surface of the lead screw. According to the utility model, the smoke sensor is used for real-time detection, when a fire breaks out in the device body and smoke is generated, the fire extinguisher is started to carry out fire extinguishing operation on the device body so as to play an emergency role, reduce harm loss and improve safety, and meanwhile, the buzzer is started to give an alarm and prompt surrounding pedestrians; and the use safety of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to an oil-immersed power transformer. Background Art

[0002] A power transformer is a static electrical device that is used to convert an AC voltage (current) of a certain value into another or several different voltages (currents) of the same frequency. Distribution transformers are one of the important equipment in the power supply and distribution systems of industrial and mining enterprises and civil buildings. Products are classified according to the number of phases of a single transformer, and can be divided into three-phase transformers and single-phase transformers. In three-phase power systems, three-phase transformers are generally used.

[0003] The existing technology has the following problems:

[0004] When the transformer is used for a long time or under heavy load, it is prone to the risk of spontaneous combustion. If not handled in time, it will cause greater losses.

[0005] To this end, we proposed an oil-immersed power transformer to solve the above-mentioned drawbacks. Utility Model Content

[0006] The utility model aims to solve the problem in the prior art that the transformer is prone to spontaneous combustion when in long-term use or under heavy load, which may cause greater losses if not handled in time, and proposes an oil-immersed power transformer.

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

[0008] An oil-immersed power transformer comprises a device body, a shielding plate is installed on the upper surface of the device body through a fixing column, a smoke sensor is arranged on the lower surface of the shielding plate, the smoke sensor is connected to a fire extinguisher through a wire, and a buzzer is arranged on the upper surface of the shielding plate.

[0009] Preferably, a base is provided below the device body, and a fixing plate is provided on the side surface of the base, the fixing plate is threadedly connected to the screw rod, a first bevel gear is provided on the surface of the screw rod, the first bevel gear and the second bevel gear are meshingly connected, and the second bevel gear is connected to a handle through a transmission rod.

[0010] Preferably, auxiliary wheels are provided on the upper surface of the base in a rectangular array.

[0011] Preferably, the shielding plate is an umbrella-shaped structure as a whole.

[0012] Preferably, the fire extinguisher is a suspended 1211 fire extinguisher.

[0013] Preferably, a fixing leg is provided on the lower surface of the base, and a mounting hole is opened on the surface of the fixing leg.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The utility model provides a device body, a fixed column, a shielding plate, a smoke sensor, a fire extinguisher and a buzzer, and uses the smoke sensor to detect the device in real time. When a fire occurs in the device body and smoke is generated, the fire extinguisher is activated to extinguish the fire in the device body, thereby playing an emergency role, reducing damage and losses, and improving safety. At the same time, the buzzer is activated to sound an alarm, and pedestrians around are reminded, thereby further improving the safety of the device.

[0016] (2) The utility model provides a device body, a base, a fixing plate, a screw, a first bevel gear, a second bevel gear, a transmission rod and a handle. During installation, the base is fixed in a suitable position, and then the device body is placed on the base. The handle is turned to drive the second bevel gear through the transmission rod. Under the action of the second bevel gear and the first bevel gear, the screw is driven to rotate, thereby driving the fixing plate to fix and clamp the device body. The utility model has a simple structure and is convenient for installation and disassembly of the device body, thereby facilitating subsequent replacement or maintenance of electrical components in the device body, thereby reducing the difficulty of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0018] Figure 1 This is a structural schematic diagram of an oil-immersed power transformer proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of a base of an oil-immersed power transformer proposed by the utility model;

[0020] Figure 3 The utility model is a schematic diagram of the internal structure of a shielding plate of an oil-immersed power transformer.

[0021] Legend:

[0022] 1. Device body; 2. Fixed column; 3. Shielding plate; 4. Smoke sensor; 5. Fire extinguisher; 6. Buzzer; 7. Base; 8. Fixed legs; 9. Fixed plate; 10. Screw; 11. First bevel gear; 12. Second bevel gear; 13. Transmission rod; 14. Handle; 15. Auxiliary wheel. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] Please refer to Figure 1-3 An oil-immersed power transformer includes a device body 1, a shielding plate 3 is installed on the upper surface of the device body 1 through a fixing column 2, a smoke sensor 4 is arranged on the lower surface of the shielding plate 3, the smoke sensor 4 is connected to a fire extinguisher 5 through a wire, and a buzzer 6 is arranged on the upper surface of the shielding plate 3.

[0025] In this embodiment: a smoke sensor 4 is used for real-time detection. When a fire occurs in the device body 1 and smoke is generated, the fire extinguisher 5 is activated to extinguish the fire on the device body 1, which plays an emergency role, reduces damage and losses, and improves safety. At the same time, a buzzer 6 is activated to sound an alarm, and pedestrians around are prompted, thereby further improving the safety of the device.

[0026] Specifically, a base 7 is provided below the device body 1, and a fixing plate 9 is provided on the side surface of the base 7. The fixing plate 9 is threadedly connected to a screw rod 10. A first bevel gear 11 is provided on the surface of the screw rod 10. The first bevel gear 11 is meshedly connected with a second bevel gear 12. The second bevel gear 12 is connected to a handle 14 via a transmission rod 13.

[0027] In the present embodiment, during the installation operation, the base 7 is fixed in a suitable position, and then the device body 1 is placed on the base 7, and the handle 14 is turned to drive the second bevel gear 12 through the transmission rod 13. Under the action of the second bevel gear 12 and the first bevel gear 11, the screw rod 10 is driven to rotate, and then the fixing plate 9 is driven to fix and clamp the device body 1. The utility model has a simple structure and is convenient for installing and disassembling the device body 1, and is convenient for subsequent replacement or maintenance of electrical components in the device body 1, thereby reducing the difficulty of maintenance.

[0028] Specifically, auxiliary wheels 15 are provided on the upper surface of the base 7 in a rectangular array.

[0029] In this embodiment, the friction between the device body 1 and the base 7 is reduced, thereby facilitating fine-tuning of the position of the device body 1 on the base 7 .

[0030] Specifically, the shielding plate 3 is an umbrella-shaped structure as a whole.

[0031] In this embodiment, the smoke is guided to facilitate the smoke sensor 4 to detect the fire smoke.

[0032] Specifically, the fire extinguisher 5 adopts a suspended 1211 fire extinguisher 5.

[0033] In this embodiment: it has no corrosion effect, good insulation performance, and can be used for fire extinguishing of oil-filled or electrical equipment.

[0034] Specifically, a fixing leg 8 is disposed on the lower surface of the base 7 , and a mounting hole is formed on the surface of the fixing leg 8 .

[0035] In this embodiment, it is beneficial to increase the height of the base 7 and lower the ground to prevent it from eroding the base 7.

[0036] Working principle: During operation, the smoke sensor 4 is used for real-time detection. When a fire occurs in the device body 1 and smoke is generated, the fire extinguisher 5 is started to extinguish the fire on the device body 1, which plays an emergency role, reduces damage and losses, and improves safety. At the same time, the buzzer 6 is started to sound an alarm to remind pedestrians around, thereby further improving the safety of the device. During installation, the base 7 is fixed in a suitable position, and then the device body 1 is placed on the base 7, and the handle 14 is turned to drive the second bevel gear 12 through the transmission rod 13. Under the action of the second bevel gear 12 and the first bevel gear 11, the screw rod 10 is driven to rotate, thereby driving the fixing plate 9 to fix and clamp the device body 1. The utility model has a simple structure and is convenient for installation and disassembly of the device body 1, thereby facilitating the subsequent replacement or maintenance of electrical components in the device body 1, thereby reducing the difficulty of maintenance.

[0037] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. An oil-immersed power transformer, comprising a device body (1), characterized in that: A shielding plate (3) is installed on the upper surface of the device body (1) via a fixing column (2); a smoke sensor (4) is arranged on the lower surface of the shielding plate (3); the smoke sensor (4) is connected to a fire extinguisher (5) via a wire; and a buzzer (6) is arranged on the upper surface of the shielding plate (3).

2. The oil-immersed power transformer according to claim 1, characterized in that: A base (7) is provided below the device body (1); a fixing plate (9) is sleeved on the side surface of the base (7); the fixing plate (9) is threadedly connected to a screw rod (10); a first bevel gear (11) is provided on the surface of the screw rod (10); the first bevel gear (11) is meshedly connected to a second bevel gear (12); and the second bevel gear (12) is connected to a handle (14) via a transmission rod (13).

3. An oil-immersed power transformer according to claim 2, characterized in that: Auxiliary wheels (15) are arranged in a rectangular array on the upper surface of the base (7).

4. The oil-immersed power transformer according to claim 1, characterized in that: The shielding plate (3) is in an umbrella-shaped structure as a whole.

5. The oil-immersed power transformer according to claim 1, characterized in that: The fire extinguisher (5) is a suspended 1211 fire extinguisher (5).

6. The oil-immersed power transformer according to claim 2, characterized in that: The lower surface of the base (7) is provided with a fixed leg (8), and the surface of the fixed leg (8) is provided with a mounting hole.

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