Protective device for outdoor transformer

Abstract

The utility model relates to the technical field of transformers, and discloses a protective device for an outdoor transformer, which comprises a protective assembly arranged at the rear end of a transformer body, the protective assembly is provided with an air inlet box, and the air inlet box is fixedly arranged at the rear end of the transformer body. A plurality of air inlet fans are mounted at the rear position in the air inlet box through a mounting plate, a filter screen plate and an adsorption screen plate are sequentially mounted on one side of the air inlet box and located in front of the air inlet fans, a baffle is fixedly connected to the front position in the air inlet box, and the baffle is connected with the transformer body; by arranging the protection assembly, a large amount of dust is prevented from entering the transformer body during ventilation and heat dissipation, cold air entering the transformer body can be conveniently conveyed to the bottom of the transformer body to be sprayed out, the cooling efficiency can be conveniently improved, the blocked dust can be conveniently blown down through a back flushing pipe and an air outlet, and personnel can conveniently treat the dust in a centralized mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, concretely is a protective device for outdoor transformer. BACKGROUND

[0002] The transformer is the device that utilizes electromagnetic induction's principle to change alternating voltage, main component is primary coil, secondary coil and core, its main function has voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing etc., when the transformer is in outdoor place use for a long time, in order to prevent damage, need to carry out protection.

[0003] Chinese patent provides a kind of transformer with protective structure, and the publication number is CN220984297U, including device main body, the upper surface of the device main body is fixedly connected with humidity detection mechanism, the inside of the device main body is provided with control mechanism, the control mechanism includes spring telescopic rod, the side surface of the spring telescopic rod is rotatably connected with device main body.

[0004] When the above-mentioned device is directly irradiated by sunlight, the temperature inside the box increases, the louvers are automatically opened, the inside of the box and the outside air can be convection, thereby reducing the temperature inside the box. Through the humidity detection mechanism, when it rains outside, the humidity in the air rises sharply, the water-absorbing material absorbs water and expands, thereby automatically closing the louvers to prevent rainwater from entering the box through the gaps between the louvers. It will not be damaged by water, but at the same time of ventilation and heat dissipation, the dust from the outside will enter the protective shell. After long-term use, a lot of dust will accumulate on the transformer, which will interfere with the normal operation of the transformer. In addition, the transformer is installed at a high place, and it is difficult to clean the dust. Utility model content

[0005] The utility model aims at providing a protective device for outdoor transformer to solve the problem that the existing device will bring dust from the outside into the protective shell while ventilating and dissipating heat, which will cause a lot of dust to accumulate on the transformer after long-term use, and the dust will interfere with the normal operation of the transformer. In addition, the transformer is installed at a high place, and it is difficult to clean the dust.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a protective device for outdoor transformer, including a protective assembly arranged at the rear end of the transformer body, the protective assembly has an air inlet box, the air inlet box is fixedly installed at the rear end of the transformer body;

[0007] The inside rear position of the air inlet box is provided with air inlet fans through mounting plates, and a filter screen plate and an adsorption screen plate are sequentially arranged in front of the air inlet fans; the inside front position of the air inlet box is fixedly connected with a baffle, a plurality of guide fans are arranged between the baffle and the transformer body, the front lower position of the air inlet box is fixedly connected with a guide air duct, and a plurality of air inlet holes are arranged at the connection position between the bottom end of the transformer body and the guide air duct.

[0008] Preferably, an air outlet is arranged at the top end of the transformer body, an air outlet fan is arranged at the rear end of the air outlet, and an air outlet is arranged at the top end of the air inlet box and located on the windward surface of the filter screen plate and the adsorption screen plate.

[0009] Preferably, an installation groove is arranged at the bottom end of the air inlet box and below the filter screen plate and the adsorption screen plate, and a guide slope is fixedly connected to the upper position in the installation groove.

[0010] Preferably, a collecting box is movably arranged in the installation groove, handles are arranged on one side of the collecting box, the filter screen plate and the adsorption screen plate, and an elastic buckle that is adaptively matched with the collecting box, the filter screen plate and the adsorption screen plate is movably connected to one side of the air inlet box.

[0011] Preferably, a protective net is arranged at the rear end of the air inlet box through fixing bolts, and a drain pipe is arranged at the lower part of the air inlet box and located behind the air inlet fans.

[0012] Preferably, mounting feet are fixedly connected to the bottom end of the transformer body and located on both sides, and the bottom surface of the installation groove and the guide air duct does not exceed the bottom surface of the mounting feet.

[0013] Compared with the prior art, the outdoor transformer protection device has the following beneficial effects:

[0014] The outdoor transformer protection device filters the air entering the transformer body through the protective assembly and the transformer body, prevents a large amount of dust from entering the transformer body during ventilation and heat dissipation, avoids causing a great impact on the normal operation of the transformer body, and facilitates the cold air entering the guide air duct to be sprayed at the bottom of the transformer body, thereby improving the cooling efficiency.

[0015] The outdoor transformer protection device blows the windward surface of the filter screen plate and the adsorption screen plate through the backflush pipe and the air outlet, blows the blocked dust down, collects the dust through the installation groove and the collecting box, and facilitates the personnel to collect and process the dust, the air enters the transformer body through the air inlet holes at the bottom, prevents the bottom from being too humid, avoids the rainwater from penetrating from the side, and improves the protection effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the protective device for outdoor transformer in the embodiment of the utility model;

[0017] Figure 2 It is the internal structure section view of the air inlet box in the embodiment of the utility model;

[0018] Figure 3 It is the rear perspective view of the embodiment of the utility model. Figure 1

[0019] In the drawing: 1, transformer body; 2, protective assembly; 3, air inlet box; 4, air inlet fan; 5, filter screen; 6, adsorption screen; 7, guide fan; 8, guide air duct; 9, air inlet hole; 10, protective net; 11, mounting groove; 12, collection box; 13, drain pipe; 14, exhaust air duct; 15, exhaust fan; 16, backflush pipe; 17, air outlet. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Embodiment one

[0022] In conjunction with Figures 1-3 , a protective device for outdoor transformer, including setting up in the rear end of transformer body 1 protective assembly 2, protective assembly 2 has air inlet box 3, air inlet box 3 fixedly installed in the rear end of transformer body 1.

[0023] Referring to Figure 2 And Figure 3 , the inside rear position of air inlet box 3 is installed with several air inlet fans 4 through mounting plate, filter screen 5 and adsorption screen 6 are installed in front of air inlet fan 4 in turn through penetrating one side of air inlet box 3, the front position of air inlet box 3 is fixedly connected with baffle, several guide fans 7 are installed between baffle and transformer body 1, the lower position of the front end of air inlet box 3 is fixedly connected with guide air duct 8, several air inlet holes 9 are set up in the connecting place of the bottom end of transformer body 1 and guide air duct 8, protective net 10 is installed in the rear end of air inlet box 3 through fixed bolt, drain pipe 13 is installed in the lower part of air inlet box 3 and rear of air inlet fan 4, the bottom end of transformer body 1 is fixedly connected with mounting foot in both side positions, the bottom surface of mounting groove 11 and guide air duct 8 does not exceed the bottom surface of mounting foot.​

[0024] Specifically, by starting the air inlet fan 4 and the guide fan 7, external air can be introduced into the air inlet box 3 through the air inlet fan 4, and the air can be filtered through the protective net 10, the filter screen plate 5 and the adsorption screen plate 6 to prevent dust from entering the transformer body 1. At the same time, the filtered air is guided into the guide air duct 8 through the guide fan 7, so that the air enters the inside of the transformer body 1 through the air inlet hole 9, and the ventilation and heat dissipation process is completed. The air is filtered and guided for multiple times and is sprayed out from the bottom of the transformer body 1, avoiding direct air inlet to cause a large amount of dust accumulation. The air inlet hole 9 is arranged below to prevent rainwater from flowing into along the inner wall of the transformer body 1, thereby improving the protection effect.

[0025] Embodiment Two

[0026] Referring to Figure 3 On the basis of Embodiment One, an exhaust air duct 14 is installed at the top end of the transformer body 1, an exhaust air fan 15 is installed at the rear end of the exhaust air duct 14, an air outlet 17 is arranged at the top end of the air inlet box 3 and located on the windward surface of the filter screen plate 5 and the adsorption screen plate 6, the exhaust air outlet of the exhaust air fan 15 is connected with the air outlet 17 through a backflush pipe 16, an installation groove 11 is arranged at the bottom end of the air inlet box 3 and located below the filter screen plate 5 and the adsorption screen plate 6, a guide slope is fixedly connected at the upper position in the installation groove 11, a collection box 12 is movably installed in the installation groove 11, handles are arranged at the one side of the collection box 12, the filter screen plate 5 and the adsorption screen plate 6, and a flexible buckle which is adaptively matched with the collection box 12, the filter screen plate 5 and the adsorption screen plate 6 is movably connected at one side of the air inlet box 3.

[0027] Specifically, during the air cooling and heat dissipation, the exhaust air fan 15 can be intermittently started to accelerate the heat dissipation efficiency of the hot air in the transformer body 1, so as to perform the circulating heat dissipation. The exhaust air outlet of the exhaust air fan 15 is connected with the air outlet 17 through the backflush pipe 16, so that the extracted hot air is transported to the air outlet 17 and sprayed to the windward surface of the filter screen plate 5 and the adsorption screen plate 6, thereby blowing and cleaning the impurities to blow down most of the dust and reduce the blocking probability. The collection box 12 is arranged to collect the falling dust for subsequent cleaning.

[0028] In actual operation, when the transformer body 1 is normally operated, the external air can be introduced into the air inlet box 3 through the air inlet fan 4, and the air can be filtered through the protective net 10, the filter screen plate 5 and the adsorption screen plate 6 to prevent dust from entering the transformer body 1. At the same time, the filtered air is guided into the guide air duct 8 through the guide fan 7, so that the air enters the inside of the transformer body 1 through the air inlet hole 9, and the ventilation and heat dissipation process is completed.

[0029] And air through multiple filtering guide, from the bottom of transformer body 1 spray, avoid direct air inlet cause dust accumulation, and air inlet hole 9 is set below, can prevent rainwater along the transformer body 1 inner wall flow in, to improve the protection effect.

[0030] At the same time in normal air supply heat dissipation, can intermittent start exhaust fan 15, through exhaust fan 15 can accelerate the efficiency of hot air exhaust transformer body 1 inside, and exhaust fan 15 exhaust port through backflush pipe 16 and air outlet 17 connection, in order to send the hot air extracted to air outlet 17, and spray to filter screen plate 5 and adsorption screen plate 6 windward side, facilitate the impurities on it not yet adhered to blow down, reduce the probability of blockage, and through the setting of collection box 12, play to the dust falling collection effect.

[0031] And filter screen plate 5, adsorption screen plate 6, collection box 12 are fixed on the air inlet box 3 through the elastic buckle, can be through the way of pulling elastic buckle, can remove the block, after can directly filter screen plate 5, adsorption screen plate 6, collection box 12 pull out, facilitate personnel manual cleaning and replacement.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A protective device for an outdoor transformer, characterized by: Including the protection assembly (2) arranged at the rear end of the transformer body (1), the protection assembly (2) has an air inlet box (3), the air inlet box (3) is fixedly installed at the rear end of the transformer body (1); The rear position of the inside of the air inlet box (3) is provided with a plurality of air inlet fans (4) through the mounting plate, the filter screen plate (5) and the adsorption screen plate (6) are installed in front of the air inlet fan (4) in sequence through one side of the air inlet box (3), the front position of the inside of the air inlet box (3) is fixedly connected with a baffle, a plurality of guide fans (7) are installed between the baffle and the transformer body (1), the lower position of the front end of the air inlet box (3) is fixedly connected with a guide air duct (8), a plurality of air inlet holes (9) are arranged at the connection between the bottom end of the transformer body (1) and the guide air duct (8).

2. A protective device for outdoor transformers according to claim 1, characterized in that: The top end of the transformer body (1) is provided with an exhaust air duct (14), the rear end of the exhaust air duct (14) is provided with an exhaust fan (15), the top end of the air inlet box (3) is provided with an air outlet (17) on the windward surface of the filter screen plate (5) and the adsorption screen plate (6), the exhaust port of the exhaust fan (15) is connected with the air outlet (17) through a backflush pipe (16).

3. A protective device for an outdoor transformer according to claim 2, characterized in that: The bottom end of the air inlet box (3) is provided with a mounting groove (11) below the filter screen plate (5) and the adsorption screen plate (6), and the upper position of the inside of the mounting groove (11) is fixedly connected with a guide slope.

4. A protective device for an outdoor transformer according to claim 3, characterized in that: The inside of the mounting groove (11) is movably provided with a collection box (12), one side of the collection box (12), the filter screen plate (5) and the adsorption screen plate (6) is provided with a handle, and one side of the air inlet box (3) is movably connected with an elastic buckle matched with the collection box (12), the filter screen plate (5) and the adsorption screen plate (6).

5. The outdoor transformer protection device of claim 1, wherein: The rear end of the air inlet box (3) is provided with a protection net (10) through a fixing bolt, and the lower part of the air inlet box (3) is provided with a drain pipe (13) behind the air inlet fan (4).

6. A protective device for an outdoor transformer according to claim 1, characterized in that: The bottom end of the transformer body (1) is fixedly connected with mounting feet on both sides, and the bottom surface of the mounting groove (11) and the guide air duct (8) does not exceed the bottom surface of the mounting feet.

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