Energy-saving and environment-friendly transformer

Abstract

This invention relates to the technical field of transformers, and more particularly to an energy-saving and environmentally friendly transformer, comprising a transformer, a maintenance box disposed on the top of the transformer, an oil supply pipe disposed inside the maintenance box, a first filter box connected to one side of the oil supply pipe, and an oil leakage tank slidably disposed at the bottom of the first filter box. Through the cooperation of a moving plate, a return spring, and a switching pipe, when the filter becomes clogged, causing the internal oil pressure to rise, the oil pressure directly pushes the moving plate and compresses the return spring, causing the switching pipe to move and automatically switching the oil inlet passage from the clogged filter box to the standby filter box. The entire process is a purely mechanical response, requiring no electronic sensors, ensuring high reliability and no additional energy consumption. Simultaneously with the switching, the position of the moving plate can trigger an alarm, achieving true online non-stop maintenance and ensuring the continuity of cooling circulation.

Description

Technical Field

[0001] This invention relates to the technical field of transformers, and in particular to an energy-saving and environmentally friendly transformer. Background Technology

[0002] During operation, the heat generated by the core and windings of an oil-immersed transformer causes the insulating oil temperature to rise continuously. To ensure the normal operation and service life of the transformer, the high-temperature insulating oil is usually extracted for external cooling and then reinjected into the transformer.

[0003] Existing transformer oil cooling circulation devices have the following problems in practical applications: Transformer oil develops sludge over long-term use, easily clogging filters. Currently, replacing filters typically requires shutting down the oil pump and halting the entire cooling cycle. Otherwise, residual high-temperature oil in the pipelines will splash or leak during replacement, causing oil waste and environmental pollution, and potentially scalding operators. This shutdown-based replacement method severely impacts the transformer's continuous heat dissipation requirements.

[0004] Existing devices mostly employ methods such as semiconductor refrigeration to forcibly cool high-temperature oil. However, the large amount of heat generated at the hot end of the cooling chip is usually directly dissipated into the environment, resulting in significant energy waste. On the other hand, the cooled transformer oil is at a lower temperature; if it is directly reinjected into the high-temperature transformer, the drastic temperature difference can cause thermal shock damage to transformer components, affecting the transformer's service life.

[0005] Filter path switching relies on electronic detection and control: Some existing technologies achieve automatic switching of multiple filters through differential pressure sensors and solenoid valves, but electronic components have low reliability in harsh environments such as strong electromagnetic fields and high temperatures of transformers, and increase system energy consumption and complexity. Summary of the Invention

[0006] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0007] In view of the problems existing in the current energy-saving and environmentally friendly transformers, the present invention is proposed.

[0008] Therefore, the purpose of this invention is to provide an energy-saving and environmentally friendly transformer, which aims to ensure that the transformer can work continuously without interruption of maintenance.

[0009] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a transformer, a maintenance box disposed on the top of the transformer, an oil supply pipe disposed inside the maintenance box, a first filter box connected to one side of the oil supply pipe, and an oil leakage tank slidably disposed at the bottom of the first filter box.

[0010] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, the oil pipeline includes an oil inlet pipe, and a first pipe and a second pipe are connected to both sides of the oil inlet pipe.

[0011] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, wherein: a switching pipe is slidably disposed inside the oil inlet pipe, a first through hole is opened on the side of the switching pipe near the first pipe, and a second through hole is opened on the side of the switching pipe near the second pipe.

[0012] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, the first filter box includes an oil leakage hole at its bottom, and a filter element is provided inside the first filter box.

[0013] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, the first filter box is provided with a movable plate inside, a movable rod is provided on one side of the movable plate, and a return spring is arranged in a circumferential array on one side of the movable plate.

[0014] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, the oil leakage tank is provided with a sealing rod inside, and the sealing rod corresponds one-to-one with the oil leakage hole.

[0015] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, the oil leakage tank is internally connected to the output end of the first cylinder, and the other side of the first cylinder is connected to the bottom of the first filter box.

[0016] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, wherein: a cooling box is connected to one side of the oil leakage tank via a pipe, the cooling box includes a stirring rod, and a drive motor is provided on one side of the interior of the cooling box.

[0017] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, the cooling box is provided with a cooling plate at the bottom, a water storage tank is provided on the outside of the cooling plate, and a water pump is connected to one side of the water storage tank.

[0018] As a preferred embodiment of the energy-saving and environmentally friendly transformer of the present invention, a heating box is provided on one side of the cooling box, and a heat exchange tube is provided inside the heating box, and the heat exchange tube is connected to the water pump.

[0019] The beneficial effects of this invention are as follows: Through the cooperation of the moving plate, the return spring, and the switching tube, when the filter element becomes clogged, causing the internal oil pressure to rise, the oil pressure directly pushes the moving plate and compresses the return spring, driving the switching tube to move and automatically switching the oil inlet passage from the clogged filter box to the standby filter box. The entire process is a purely mechanical response, requiring no electronic sensors, ensuring high reliability and no additional energy consumption. Simultaneously with the switching, the position of the moving plate can trigger an alarm, achieving true online non-stop maintenance and ensuring the continuity of the cooling cycle. When replacing the filter element in the clogged filter box, the moving plate is fixed to prevent the switching tube from resetting, and the sealing rod is used to move away from the oil leak hole, allowing the high-temperature oil accumulated in the filter box to flow along the oil leak hole into the lower oil tank for recovery, while the sludge is intercepted on the filter element. This structure completely solves the problem of high-temperature oil splashing and leakage during filter element replacement, ensuring operator safety and avoiding oil waste and environmental pollution. By setting up a water storage tank to absorb the heat generated by the hot end of the cooling element, a water pump circulates the heated water to the heat exchange tube to preheat the flowing low-temperature cold oil. This design converts waste heat from refrigeration into a heat source for warming the return oil. Without increasing external energy consumption, it raises the return oil temperature to a safe range, effectively avoiding thermal shock damage to transformer components caused by direct reinjection of low-temperature oil and extending the service life of the transformer. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 This is a schematic diagram of the interior of the maintenance box provided by the present invention.

[0022] Figure 3 Provided by the present invention Figure 2 Enlarged diagram of point A in the middle.

[0023] Figure 4 Provided by the present invention Figure 2 Another perspective illustration.

[0024] Figure 5 This is a schematic diagram of the inside of the oil leak tank provided by the present invention.

[0025] Figure 6 This is a schematic diagram of the inside of the oil pipeline provided by the present invention. Detailed Implementation

[0026] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0029] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0030] Reference Figures 1-6 The present invention provides an embodiment, specifically an energy-saving and environmentally friendly transformer.

[0031] Specifically, the system includes a transformer 1, a maintenance box 2 located on top of the transformer 1, an oil supply pipe 3 inside the maintenance box 2, a first filter box 4 connected to one side of the oil supply pipe 3, and a leak tank 5 slidably mounted at the bottom of the first filter box 4. The oil supply pipe 3 includes an inlet pipe 31, with a first pipe 32 and a second pipe 33 connected to its two sides. A switching pipe 34 slidably mounted inside the inlet pipe 31, with a first through hole 341 on the side near the first pipe 32 and a second through hole 342 on the side near the second pipe 33. The first filter box 4 includes a leak hole 41 at its bottom and a filter element 42 inside. A movable plate 43 is located inside the first filter box 4, with a movable rod 431 on one side of the movable plate 43 and a return spring 44 arranged in a circumferential array on one side of the movable plate 43. A sealing rod 51 is located inside the leak tank 5, with each sealing rod 51 corresponding to a leak hole 41. The oil leak tank 5 is internally connected to the output end of the first cylinder 52, and the other side of the first cylinder 52 is connected to the bottom of the first filter box 4. A cooling box 6 is connected to one side of the oil leak tank 5 via a pipe. The cooling box 6 includes a stirring rod 61, and a drive motor 62 is installed inside the cooling box 6. A cooling plate 63 is installed at the bottom of the cooling box 6, and a water storage tank 64 is installed outside the cooling plate 63. A water pump 65 is connected to one side of the water storage tank 64. A heating box 7 is installed on one side of the cooling box 6, and a heat exchange tube 71 is installed inside the heating box 7, which is connected to the water pump 65.

[0032] Specifically, the oil pump draws high-temperature transformer oil through the oil inlet pipe 31, which then enters the first filter box 4 through the first through hole 341. After being filtered by the filter element 42, the oil flows back into the cooling box 6. By starting the drive motor 62, the stirring rod 61 stirs the high-temperature oil, ensuring it comes into full contact with the cooling element 63 and cools it down quickly. The cooled oil then flows into the heating box 7, where it is heated up and flows back into the transformer 1.

[0033] Because the cooling element 63 is in full contact with the water in the water storage tank 64, the water absorbs heat and flows into the heat exchange tube 71 through the water pump 65, thereby using the heat recovered from the waste heat for reheating, preventing thermal shock damage to the transformer components caused by excessive temperature difference.

[0034] When the filter element 42 in the first filter box 4 is clogged with sludge, the oil inside continues to increase, which squeezes the moving plate 43 and compresses the return spring 44. Then, the moving rod 431 drives the switching pipe 34 to move, so that the first through hole 341 gradually disengages from the first pipe 32, and the second through hole 342 gradually contacts the second pipe 33. Finally, the oil will only flow to the second filter box 8, and the moving plate 43 will be detected by the sensor to a certain extent, thereby triggering an alarm and reminding the staff to handle it.

[0035] When staff come to replace the filter plate and handle the sludge, they first fix the moving plate 43 to prevent the switching pipe 34 from automatically resetting. Then, they start the first cylinder 52, which causes the oil tank 5 and the sealing rod 51 to move down. This prevents the sealing rod 51 from blocking the oil leak hole 41, allowing the accumulated oil to flow into the oil tank 5 through the oil leak hole 41. The sludge is blocked, preventing the high-temperature oil from affecting the replacement filter element 42. This makes it easier for staff to replace and handle the sludge, quickly restoring the first filter box 4 to work. Then, they release the moving plate 43, which quickly resets under the action of the reset spring 44, causing the switching pipe 34 to reset quickly as well. This allows the high-temperature oil to continue flowing into the first filter box 4.

[0036] In summary: During operation, high-temperature oil enters the first filter box 4 through the oil inlet pipe 31 and the first through hole 341. After being filtered by the filter element 42, it flows into the cooling box 6, is cooled by the cooling plate 63, and then preheated by the heat exchange tube 71 before flowing back to the transformer 1. When the filter element 42 becomes clogged, the internal oil pressure pushes the moving plate 43 to compress the return spring 44, causing the first through hole 341 to disengage from the first pipe 32 and the second through hole 342 to connect to the second pipe 33, automatically switching to the second filter box 8. The entire process is purely mechanical, without stopping the machine or relying on electronic components. During replacement, the moving plate 43 is fixed, and the first cylinder 52 is activated to disengage the sealing rod 51 from the oil leakage hole 41. The accumulated oil flows into the oil leakage tank 5 for recovery, achieving zero-leakage online replacement and solving the problems of high-temperature oil splashing and oil waste. After replacement, the moving plate 43 is released, and the return spring 44 drives the switching tube 34 to reset, restoring normal operation.

[0037] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible without substantially departing from the novelty and advantages of the subject matter described in this application. For example, variations in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​such as temperature, pressure, etc., installation arrangements, use of materials, color, orientation, etc. For instance, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure performing the function described herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims. Furthermore, for the purpose of providing a concise description of exemplary embodiments, not all features of actual embodiments may be omitted, i.e., those features not relevant to the currently considered best mode for carrying out the invention, or those features not relevant to implementing the invention.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An energy-saving and environmentally friendly transformer, characterized in that: include, A transformer (1) is provided with a maintenance box (2) on top of the transformer (1). An oil supply pipe (3) is provided inside the maintenance box (2). A first filter box (4) is connected to one side of the oil supply pipe (3). An oil leakage box (5) is slidably provided at the bottom of the first filter box (4).

2. The energy-saving and environmentally friendly transformer according to claim 1, characterized in that: The oil pipeline (3) includes an oil inlet pipe (31), and the two sides of the oil inlet pipe (31) are connected to a first pipe (32) and a second pipe (33).

3. The energy-saving and environmentally friendly transformer according to claim 2, characterized in that: The oil inlet pipe (31) is slidably provided with a switching pipe (34). The switching pipe (34) has a first through hole (341) on the side near the first pipe (32) and a second through hole (342) on the side near the second pipe (33).

4. The energy-saving and environmentally friendly transformer according to claim 1, characterized in that: The first filter box (4) includes an oil leakage hole (41) at its bottom, and a filter element (42) is provided inside the first filter box (4).

5. The energy-saving and environmentally friendly transformer according to claim 4, characterized in that: The first filter box (4) is provided with a movable plate (43) inside, a movable rod (431) is provided on one side of the movable plate (43), and a reset spring (44) is arranged in a circumferential array on one side of the movable plate (43).

6. The energy-saving and environmentally friendly transformer according to claim 1 or 4, characterized in that: The inside of the oil leak tank (5) is provided with a sealing rod (51), and the sealing rod (51) corresponds one-to-one with the oil leak hole (41).

7. The energy-saving and environmentally friendly transformer according to claim 6, characterized in that: The oil leak tank (5) is connected to the output end of the first cylinder (52), and the other side of the first cylinder (52) is connected to the bottom of the first filter box (4).

8. The energy-saving and environmentally friendly transformer according to claim 7, characterized in that: The oil leak tank (5) is connected to a cooling tank (6) via a pipe on one side. The cooling tank (6) includes a stirring rod (61) and a drive motor (62) is provided on one side of the interior of the cooling tank (6).

9. The energy-saving and environmentally friendly transformer according to claim 8, characterized in that: The cooling box (6) is provided with a cooling plate (63) at the bottom, and a water storage tank (64) is provided on the outside of the cooling plate (63). A water pump (65) is connected to one side of the water storage tank (64).

10. The energy-saving and environmentally friendly transformer according to claim 9, characterized in that: A heating box (7) is provided on one side of the cooling box (6), and a heat exchange tube (71) is provided inside the heating box (7). The heat exchange tube (71) is connected to the water pump (65).

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