High-efficiency heat dissipation structure in transformer

Abstract

The utility model discloses a high-efficiency heat dissipation structure inside a transformer, and relates to the technical field of transformer shells, the high-efficiency heat dissipation structure comprises a transformer shell and an outer supporting pipe, a blast disc is arranged right above the transformer shell, a liquid storage pipe is connected to the outer side of the transformer shell in a penetrating manner, an air cooling mechanism is arranged inside the blast disc, and the outer supporting pipe is connected with the liquid storage pipe in a penetrating manner. An air cooling mechanism is arranged in the transformer shell, the air cooling mechanism cools air in the transformer shell, the cooling time of parts in the transformer shell is shortened, fastening holes are formed in the bottom end of an outer supporting pipe at equal intervals, a liquid cooling mechanism is arranged in the transformer shell, and the liquid cooling mechanism absorbs heat generated by equipment. Equipment in the variable-pressure shell is cooled through the liquid storage pipe, the interior of the liquid storage pipe and the interior of the air blowing disc are cooled through the bipolar refrigeration pieces at the same time, oil in the liquid storage pipe is cooled through the bipolar refrigeration pieces, and the oil in the liquid storage pipe is vertically conveyed and circularly treated through the spiral blades.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer casings, in particular to a transformer internal high-efficiency heat dissipation structure. Background Art

[0002] Transformer casing refers to a device that uses the principle of electromagnetic induction to change the AC voltage. Its main components are the primary coil, secondary coil and iron core. Heat dissipation performance is an important indicator of the oil-immersed transformer casing. Poor heat dissipation performance will directly affect the service life of the oil-immersed transformer casing.

[0003] Currently, the existing heat dissipation transformer casing mainly dissipates heat through its external heat sink. This method has a single heat dissipation effect and is limited to the temperature of the external environment. In the oil-immersed transformer casing, insulating oil is used to prevent breakdown. As the use time increases, the insulating oil will carry impurities and needs to be filtered before use. The transformer casing lacks a mechanism for cooling and filtering the oil. Summary of the invention

[0004] The purpose of the utility model is to provide a transformer internal efficient heat dissipation structure to solve the above-mentioned defects caused by the prior art.

[0005] A transformer internal efficient heat dissipation structure comprises a transformer housing and an outer supporting tube, wherein a blast plate is arranged directly above the transformer housing, a liquid storage tube is penetrated and connected to the outer side of the transformer housing, an air cooling mechanism is arranged inside the blast plate, the air cooling mechanism cools the air inside the transformer housing, thereby shortening the cooling time of the internal parts of the transformer housing, fastening holes are arranged at equal intervals on the bottom end of the outer supporting tube, a liquid cooling mechanism is arranged inside the transformer housing, the liquid cooling mechanism absorbs the heat generated by the equipment, and regularly filters the impurities inside the oil, thereby improving the efficiency of the circulating heat dissipation of the transformer housing.

[0006] Preferably, the liquid cooling mechanism includes a columnar sleeve, an outer support tube, a liquid storage tube, an electromagnetic pump and spiral blades. The columnar sleeve is arranged inside the transformer housing, the outer side of the columnar sleeve is annularly distributed with an outer support tube, the outer side of the columnar sleeve is penetrated by a liquid storage tube, the bottom end of the liquid storage tube is connected to the output end of the electromagnetic pump, and the inside of the liquid storage tube is connected to the spiral blades.

[0007] Preferably, the top end of the spiral blade is connected to a fan blade and is connected to the output end of a driving motor.

[0008] Preferably, the air cooling mechanism includes a driving motor, fan blades, an air supply duct and a bipolar refrigeration plate. The bipolar refrigeration plate is distributed in a ring shape at the top of the columnar sleeve. The fan blades are arranged directly above the columnar sleeve. The top of the fan blades is connected to the output end of the driving motor. The driving motor is arranged above the blower disk. The bottom end of the blower disk is penetrated and connected with the air supply duct.

[0009] Preferably, the blast plate is connected to the transformer housing through an air supply duct penetrating through the bottom end.

[0010] Preferably, the input end of the electromagnetic pump is connected to an oil filter element.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The equipment inside the transformer housing is cooled by the liquid storage pipe, and the inside of the liquid storage pipe and the blower disc are cooled by the bipolar refrigeration plate at the same time. The oil inside the liquid storage pipe is cooled by the bipolar refrigeration plate, and the oil inside the liquid storage pipe is vertically transported and circulated by the spiral blades, thereby shortening the time for the oil to absorb heat and cool down. The fan blades are driven by the drive motor to circulate, and the air in the equipment is cooled by the bipolar refrigeration plate to avoid heat accumulation in the transformer housing.

[0013] 2. During use, the surface of the equipment is circulated and cooled through the columnar sleeve and the outer support tube through the liquid storage tube, and the heat of the equipment during operation is transferred through the outer support tube. At the same time, the fan blades are used to accelerate the efficiency of the equipment circulation heat dissipation on the surface of the outer support tube. At the same time, liquid cooling and air cooling are circulated to cool the surface of the equipment, thereby shortening the time of the equipment during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the columnar sleeve itself in the utility model.

[0016] Figure 3 It is a schematic diagram of the front section structure of the liquid storage tube and the blast plate in the utility model.

[0017] Figure 4 It is a schematic diagram of the top-sectional structure of the blast disk in the utility model.

[0018] Figure 5 It is a bottom view of the structure of the columnar sleeve in the utility model.

[0019] in:

[0020] 1. Transformer housing; 2. Blower disc; 3. Drive motor; 4. Liquid cooling mechanism; 5. Air cooling mechanism; 6. Air supply duct; 7. Columnar sleeve; 8. External support tube; 9. Liquid storage tube; 10. Electromagnetic pump; 11. Oil filter element; 12. Fan blades; 13. Bipolar cooling plate; 14. Spiral blades; 15. Fastening holes. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 5 As shown, a transformer internal efficient heat dissipation structure comprises a transformer casing 1 and an outer supporting tube 8, wherein a blast plate 2 is arranged directly above the transformer casing 1, a liquid storage tube 9 is penetrated and connected to the outer side of the transformer casing 1, an air cooling mechanism 5 is arranged inside the blast plate 2, the air cooling mechanism 5 cools down the air inside the transformer casing 1, thereby shortening the cooling time of the internal components of the transformer casing 1, fastening holes 15 are provided at equal intervals at the bottom end of the outer supporting tube 8, a liquid cooling mechanism 4 is arranged inside the transformer casing 1, the liquid cooling mechanism 4 absorbs the heat generated by the equipment, and regularly filters the impurities inside the oil, thereby improving the efficiency of the circulating heat dissipation of the transformer casing 1.

[0023] In this embodiment, the liquid cooling mechanism 4 includes a columnar sleeve 7, an outer support tube 8, a liquid storage tube 9, an electromagnetic pump 10 and a spiral blade 14. The columnar sleeve 7 is arranged inside the transformer housing 1, and the outer side of the columnar sleeve 7 is annularly distributed with the outer support tube 8. The outer side of the columnar sleeve 7 is penetrated by a liquid storage tube 9, and the bottom end of the liquid storage tube 9 is connected to the output end of the electromagnetic pump 10. The inside of the liquid storage tube 9 is connected with a spiral blade 14. The outer side of the equipment is positioned by multiple groups of outer support tubes 8 to improve the equipment's suspended installation and cooling efficiency.

[0024] In this embodiment, the top end of the spiral blade 14 is connected to the fan blade 12 and the output end of the driving motor 3, and the spiral blade 14 is used to circulate the oil vertically, thereby cooling the heat of the oil.

[0025] In this embodiment, the air cooling mechanism 5 includes a driving motor 3, fan blades 12, an air supply duct 6 and a bipolar refrigeration plate 13. The bipolar refrigeration plate 13 is distributed in a ring shape at the top of the columnar sleeve 7. The fan blades 12 are arranged directly above the columnar sleeve 7. The top of the fan blades 12 is connected to the output end of the driving motor 3. The driving motor 3 is arranged above the blower disk 2. The bottom end of the blower disk 2 is penetrated by the air supply duct 6. The bipolar refrigeration plate 13 is used to circulate and cool the liquid and air at the same time, thereby improving the cooling and heat dissipation efficiency of the equipment.

[0026] In this embodiment, the blower disc 2 is connected to the transformer housing 1 through an air supply duct 6 penetrating through the bottom end, and the outside air is circulated through the air supply duct 6 to shorten the operation time of the equipment.

[0027] In this embodiment, the input end of the electromagnetic pump 10 is connected to an oil filter 11, and the oil is directly discharged through the oil filter 11 to filter the impurities in the oil.

[0028] The practical application of this transformer internal efficient heat dissipation structure includes the following work contents:

[0029] Step 1: The operator first places the transformer equipment on the surface of the outer support tube 8 so that the fastening holes 15 on the surface of the outer support tube 8 fit with the surface of the equipment, fastens the equipment with fasteners so that the equipment is distributed in an annular shape on the surface of the columnar sleeve 7, directly injects the refrigeration oil into the liquid storage tube 9, and passes the liquid storage tube 9 through the outside of the transformer housing 1, seals the connection between the liquid storage tube 9 and the transformer housing 1, and then seals the top of the transformer housing 1 with a sealing cover;

[0030] Step 2: The operator turns on the bipolar refrigeration sheet 13, cools the top of the liquid storage tube 9 through the bipolar refrigeration sheet 13, and turns on the drive motor 3 to drive the fan blades 12 to rotate, thereby continuously drawing the outside air into the inside of the blast plate 2. The blast plate 2 directly transports the cooled air to the inside of the transformer housing 1 through the air supply duct 6 provided at the bottom end, and circulates and cools the equipment inside the transformer housing 1;

[0031] Step 3: At the same time, turn on the drive motor 3, drive the fan blades 12 and the spiral blades 14 to rotate, accelerate the vertical circulation of the oil in the liquid storage tube 9 through the spiral blades 14, and cool the oil in the liquid storage tube 9 through the bipolar refrigeration plate 13, cool the columnar sleeve 7 and the outer support tube 8 through the oil absorbing heat, complete the heat absorption and cooling speed of the equipment, the columnar sleeve 7 is made of aluminum alloy, and absorbs and dissipates the heat generated by the oil and the equipment;

[0032] Step 4: After the oil has been used for a period of time, the electromagnetic pump 10 is turned on, and the external oil is directly extracted from the oil inside the liquid storage tube 9 through the electromagnetic pump 10, and the impurities in the oil are filtered through the oil filter element 11, and then the oil is re-injected into the liquid storage tube 9, and the fins on the surface of the transformer housing 1 are accelerated by circulating air cooling for circulating cooling treatment.

[0033] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A transformer internal efficient heat dissipation structure, characterized in that: The invention comprises a transformer housing (1) and an outer support tube (8), wherein a blast plate (2) is arranged directly above the transformer housing (1), a liquid storage tube (9) is connected to the outer side of the transformer housing (1), an air cooling mechanism (5) is arranged inside the blast plate (2), the air cooling mechanism (5) cools the air inside the transformer housing (1), thereby shortening the cooling time of the internal parts of the transformer housing (1), the bottom end of the outer support tube (8) is provided with fastening holes (15) at equal intervals, and a liquid cooling mechanism (4) is arranged inside the transformer housing (1), the liquid cooling mechanism (4) absorbs the heat generated by the equipment, and regularly filters the impurities inside the oil, thereby improving the efficiency of the circulating heat dissipation of the transformer housing (1).

2. The transformer internal efficient heat dissipation structure according to claim 1, characterized in that: The liquid cooling mechanism (4) comprises a columnar sleeve (7), an outer support tube (8), a liquid storage tube (9), an electromagnetic pump (10) and a spiral blade (14); the columnar sleeve (7) is arranged inside the transformer housing (1); the outer side of the columnar sleeve (7) is provided with an outer support tube (8) in an annular shape; the outer side of the columnar sleeve (7) is connected to a liquid storage tube (9) penetrating through the outer side of the columnar sleeve (7); the bottom end of the liquid storage tube (9) is connected to the output end of the electromagnetic pump (10); and the inside of the liquid storage tube (9) is connected to the spiral blade (14).

3. The transformer internal efficient heat dissipation structure according to claim 2, characterized in that: The top end of the spiral blade (14) is connected to the fan blade (12) and the output end of the drive motor (3).

4. The transformer internal efficient heat dissipation structure according to claim 1, characterized in that: The air cooling mechanism (5) comprises a driving motor (3), a fan blade (12), an air supply duct (6) and a bipolar refrigeration plate (13); the bipolar refrigeration plate (13) is distributed in a ring shape at the top end of the columnar sleeve (7); the fan blade (12) is arranged directly above the columnar sleeve (7); the top end of the fan blade (12) is connected to the output end of the driving motor (3); the driving motor (3) is arranged above the blast disc (2); and the bottom end of the blast disc (2) is penetrated and connected to the air supply duct (6).

5. The transformer internal efficient heat dissipation structure according to claim 4, characterized in that: The blast plate (2) is connected to the transformer housing (1) through an air supply duct (6) penetrating through the bottom end.

6. The transformer internal efficient heat dissipation structure according to claim 2, characterized in that: The input end of the electromagnetic pump (10) is connected to an oil filter element (11).

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