Dry-type transformer with foreign matter suction prevention grid

Abstract

The utility model provides a kind of dry-type transformer with anti-foreign body suction grid, belong to dry-type transformer field, including dry-type transformer and the heat dissipation frame being set on the front and rear sidewall of dry-type transformer, two groups of heat dissipation frame inner wall are each equipped with multiple groups of grid, grid side wall is equipped with main passage, grid side wall is equipped with multiple groups of auxiliary passage being communicated with main passage, further include: high pressure jet mechanism: high pressure jet mechanism is set in two groups of heat dissipation frame, high pressure jet mechanism can be ejected by the cooperation of main passage and auxiliary passage High pressure gas, prevent having foreign matter by grid into dry-type transformer, the utility model is by being equipped with high pressure jet mechanism, high pressure gas can be ejected between grid, main passage ejects oblique airflow and blocks bulky foreign matter, auxiliary passage radial airflow removes attached dust, to be able to block foreign matter and small animals to enter into grid, ensure the use safety of dry-type transformer.

Description

Technical Field

[0001] This utility model relates to the field of dry-type transformers, and more specifically, to a dry-type transformer with a grid for preventing foreign objects from being sucked in. Background Technology

[0002] Dry-type transformers are power transformers that do not rely on liquid media (such as oil) for cooling and insulation. Their core feature is the use of solid insulation materials such as air or epoxy resin. They have advantages such as fire resistance, explosion resistance, environmental protection, and safety, and are suitable for high-rise buildings, hospitals, data centers, and other places with high requirements for fire protection and safety.

[0003] To improve heat dissipation, existing dry-type transformers have heat dissipation grilles on their outer walls to increase the contact area with air, thereby improving heat dissipation efficiency. However, when these grilles are exposed to the outside environment for a long time, dust, leaves, and other debris can easily clog them, leading to a decrease in heat dissipation efficiency. In addition, some small animals can also use the grilles to enter the dry-type transformer and cause short circuits. How to invent a dry-type transformer with a grille that prevents foreign objects from being sucked in to improve these problems has become an urgent problem for those skilled in the art. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a dry-type transformer with a foreign object inhalation grille. It aims to improve the existing dry-type transformers. In order to improve heat dissipation, heat dissipation grilles are set on the outer wall to increase the contact area with air, thereby improving the heat dissipation effect. However, the grilles are exposed to the outside environment for a long time, and dust, leaves and other objects can easily clog the grilles, which will lead to a decrease in heat dissipation efficiency. At the same time, some small animals may also use the grilles to enter the dry-type transformer and cause short circuits.

[0005] This utility model is implemented as follows:

[0006] This utility model provides a dry-type transformer with a foreign object inhalation prevention grille, including a dry-type transformer and heat dissipation frames disposed on the front and rear side walls of the dry-type transformer. The inner walls of both sets of heat dissipation frames are provided with multiple sets of grilles. The side walls of the grilles are provided with a main channel and multiple sets of auxiliary channels connected to the main channel. It also includes a high-pressure jetting mechanism: the high-pressure jetting mechanism is disposed in the two sets of heat dissipation frames. The high-pressure jetting mechanism can spray high-pressure gas out through the cooperation of the main channel and the auxiliary channel to prevent foreign objects from entering the dry-type transformer through the grille.

[0007] Preferably, the high-pressure jet mechanism includes multiple sets of jet pipes provided in both sets of heat dissipation frames, multiple sets of jet nozzles provided on the outer walls of the multiple sets of jet pipes, a fixed pipe provided on the top of both sets of heat dissipation frames, the jet pipes being connected to the fixed pipes, the two sets of fixed pipes being connected to each other through the connecting pipe, a high-pressure pump body provided on the side wall of the dry-type transformer, a delivery pipe provided at one end of the high-pressure pump body, and one end of the delivery pipe being connected to the connecting pipe.

[0008] Preferably, the jet pipe is disposed in the main channel, and the jet nozzle is disposed in the auxiliary channel.

[0009] Preferably, both the main channel and the auxiliary channel are inclined, with the main channel inclined at an outward angle of 30° and the multiple sets of auxiliary channels inclined at an angle of 45° and distributed radially. The inner walls of both the main channel and the auxiliary channel are coated with Teflon coating.

[0010] Preferably, multiple sets of the grilles are arranged in a linear array on the inner wall of the heat dissipation frame, and the grilles are made of low carbon steel and coated with a corrosion-resistant coating.

[0011] The beneficial effects of this utility model are:

[0012] This invention, by setting a high-pressure jetting mechanism, can spray high-pressure gas between the grids. The main channel sprays out an inclined airflow to block large foreign objects, while the auxiliary channel sprays out radial airflow to remove attached dust. This can prevent foreign objects and small animals from entering the grid and ensure the safety of dry-type transformers. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a right view of the structure of this utility model;

[0016] Figure 3 This is a utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0017] Figure 4 This is a schematic diagram of the grid structure of this utility model.

[0018] In the diagram: 1. Dry-type transformer; 2. High-pressure jetting mechanism; 200. High-pressure pump body; 201. Delivery pipe; 202. Connecting pipe; 203. Fixed pipe; 204. Jet pipe; 205. Jet nozzle; 3. Heat dissipation frame; 4. Grille; 5. Main channel; 6. Auxiliary channel. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] Example, refer to Figures 1-4 A dry-type transformer with a foreign object inhalation prevention grille includes a dry-type transformer 1 and heat dissipation frames 3 disposed on the front and rear side walls of the dry-type transformer 1. Multiple sets of grilles 4 are provided on the inner walls of both sets of heat dissipation frames 3, arranged in a linear array on the inner walls of the heat dissipation frames 3. The grilles 4 are made of low-carbon steel and coated with a corrosion-resistant coating. A main channel 5 is provided on the side wall of the grille 4, and multiple auxiliary channels 6 connected to the main channel 5 are provided on the side wall of the grille 4. The transformer also includes a high-pressure jetting mechanism 2: the high-pressure jetting mechanism 2 is disposed within the two sets of heat dissipation frames 3. The high-pressure jetting mechanism 2, through the cooperation of the main channel 5 and the auxiliary channels 6, can jet out high-pressure gas to prevent foreign objects from entering the dry-type transformer 1 through the grilles 4.

[0021] The high-pressure jet mechanism 2 includes multiple sets of jet pipes 204 installed in two sets of heat dissipation frames 3. Multiple sets of jet nozzles 205 are installed on the outer walls of the multiple sets of jet pipes 204. The jet pipes 204 are installed in the main channel 5, and the jet nozzles 205 are installed in the auxiliary channel 6. The top of the two sets of heat dissipation frames 3 is provided with fixed pipes 203. The jet pipes 204 are connected to the fixed pipes 203. The two sets of fixed pipes 203 are connected through a connecting pipe 202. The side wall of the dry-type transformer 1 is provided with a high-pressure pump body 200. One end of the high-pressure pump body 200 is provided with a delivery pipe 201. One end of the delivery pipe 201 is connected to the connecting pipe 202.

[0022] Both the main channel 5 and the auxiliary channel 6 are inclined. The main channel 5 is inclined outward at an angle of 30°, and the multiple sets of auxiliary channels 6 are inclined at an angle of 45° and are distributed radially. The inner walls of both the main channel 5 and the auxiliary channel 6 are coated with Teflon paint.

[0023] It should be noted that the 30° tilt angle of the main channel 5 and the 45° tilt angle of the auxiliary channel 6 improve the gas injection effect. Compared with horizontal injection, the tilted design enhances convection heat dissipation and can also better eject foreign objects. The Teflon coating prevents dust adhesion and ensures ventilation efficiency.

[0024] Working principle: The high-pressure pump body 200 delivers gas through the delivery pipe 201 to the connecting pipe 202, and then enters the jet pipe 204 through the fixed pipe 203. High-pressure gas is injected by the jet nozzle 205. The airflow freely passes through the main channel 5 and the auxiliary channel 6 of the grille 4. The main channel 5 sprays out vertical airflow to block large foreign objects, and the auxiliary channel 6 sprays out radial airflow to remove attached dust.

[0025] It should be noted that the specific model and specifications of the motor need to be selected and determined based on the actual specifications of the device. The specific selection and calculation method adopts the existing technology in this field, so it will not be described in detail here.

[0026] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A dry-type transformer with a foreign object inhalation prevention grille, comprising a dry-type transformer (1) and a heat dissipation frame (3) disposed on the front and rear side walls of the dry-type transformer (1), characterized in that, Both sets of heat dissipation frames (3) have multiple sets of grilles (4) on their inner walls. The side walls of the grilles (4) have main channels (5) and multiple sets of auxiliary channels (6) connected to the main channels (5). The frames also include: High-pressure jet mechanism (2): The high-pressure jet mechanism (2) is set in two sets of heat dissipation frames (3). The high-pressure jet mechanism (2) can spray high-pressure gas out through the cooperation of the main channel (5) and the auxiliary channel (6) to prevent foreign objects from entering the dry transformer (1) through the grille (4).

2. A dry-type transformer with a foreign object inhalation prevention grid according to claim 1, characterized in that, The high-pressure jet mechanism (2) includes multiple sets of jet pipes (204) provided in both sets of heat dissipation frames (3), multiple sets of jet nozzles (205) provided on the outer side wall of the multiple sets of jet pipes (204), and fixed pipes (203) provided on the top of both sets of heat dissipation frames (3). The jet pipes (204) are connected to the fixed pipes (203), and the two sets of fixed pipes (203) are connected through a connecting pipe (202). The dry-type transformer (1) is provided with a high-pressure pump body (200) on its side wall. One end of the high-pressure pump body (200) is provided with a delivery pipe (201), and one end of the delivery pipe (201) is connected to the connecting pipe (202).

3. A dry-type transformer with a foreign object inhalation prevention grid according to claim 2, characterized in that, The jet pipe (204) is located in the main channel (5), and the jet nozzle (205) is located in the auxiliary channel (6).

4. A dry-type transformer with a foreign object inhalation prevention grid according to claim 2, characterized in that, The main channel (5) and the auxiliary channel (6) are both inclined. The main channel (5) is inclined outward at an angle of 30°, and the multiple sets of auxiliary channels (6) are inclined at an angle of 45° and are distributed radially. The inner walls of the main channel (5) and the auxiliary channel (6) are coated with Teflon coating.

5. A dry-type transformer with a foreign object inhalation prevention grid according to claim 1, characterized in that, Multiple sets of the grilles (4) are arranged in a linear array on the inner wall of the heat dissipation frame (3). The grilles (4) are made of low carbon steel and coated with a corrosion-resistant coating.

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