Dry-type transformer with lightweight iron core

By introducing circulation and cooling components into the dry-type transformer, continuous flow and cooling of cooling water are achieved, solving the problem of limited heat dissipation and improving the heat dissipation efficiency of the core and the stability of the transformer.

CN223526976UActive Publication Date: 2025-11-07RONGZHONG ELECTRICAL EQUIP
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Patent Information

Application Number
CN202422237647.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-11-07
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

The heat dissipation effect of existing dry-type transformers is limited, mainly due to the stagnant state of the water in the water intake and the rise in water temperature in the storage tank, which makes it difficult to effectively dissipate heat and affects the overall heat dissipation performance.

Method used

A lightweight dry-type transformer with an iron core, including a circulation component and a cooling component, was designed. The cooling water is circulated through the cooling water pump and cooling pipe in the circulation component, and the cooling water is cooled by the cooler to ensure that the cooling water temperature is low and the heat dissipation is continuous and efficient.

Benefits of technology

This achieves continuous flow of cooling water, significantly improving the heat dissipation efficiency of the iron core, ensuring stable operation of the transformer, extending its service life, and reducing thermal stress and thermal fatigue problems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of transformers, in particular to a dry-type transformer with a lightweight iron core. A dry-type transformer with light iron cores comprises bottom plates, a base, the iron cores and the like, the base is fixedly connected between the tops of the two bottom plates, the iron cores are fixedly connected to the top of the base in a bilateral symmetry mode, and the dry-type transformer further comprises a circulating assembly and a cooling assembly. Through circular flow of cooling water, heat generated when the iron core works can be continuously and effectively taken away, the heat dissipation efficiency of the iron core is remarkably improved, stable operation of the transformer is ensured, and in the circulation process, the cooling water makes contact with and absorbs the heat of the iron core through the cooling pipe firstly and then enters the cooler for cooling treatment. And the cooling water in the water storage frame is always kept at a lower temperature in the process, so that the iron core can be cooled more effectively in the subsequent circulation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field especially relates to a dry -type transformer of iron core light weight. BACKGROUND

[0002] The patent no. CN219658511U discloses a material-saving type dry -type transformer's iron core structure, including bottom plate, iron core body, top plate, water storage tank and heat conducting assembly, the bottom plate is set with primary installation hole, the iron core body is set with secondary installation hole, and the iron core body is fixed on the bottom plate, through setting by bottom plate, iron core body, top plate, water storage tank and heat conducting assembly combination constitutes material-saving type dry -type transformer, and through setting primary installation hole on the bottom plate, and setting secondary installation hole on the iron core body, and setting heat conducting assembly into the combination of insulating pipe and water guide body, thereby through the water absorption of water guide body, thereby let the heat on the iron core body better and the water in water storage tank carry out heat exchange, thereby improve the self -heat dissipation effect of iron core body.

[0003] However, in the implementation process, the above scheme faces a significant problem: the water in the water guide body is in a static state, which leads to the water only relying on its own heat conduction capacity to conduct heat, the effect is limited, and it is difficult to effectively lead away the heat generated in the iron core in time, in addition, as time goes on, the water in the water storage tank gradually increases in temperature after continuous heat conduction, thereby reducing its subsequent ability to absorb the heat of the water in the water guide body, affecting the overall heat dissipation effect.

[0004] To sum up, although the patent design has its innovation in structure, in actual application, due to the static state of the water in the water guide body and the increase in water temperature in the water storage tank, the heat dissipation effect is limited, and further optimization is needed to improve its performance. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned shortcomings in the prior art, the utility model provides a dry -type transformer of iron core light weight.

[0006] The technical scheme is: a dry -type transformer of iron core light weight, including bottom plate, base, iron core, coil winding, shielding frame and water storage frame, two bottom plate top fixedly connected with base, the base top left and right symmetrical fixedly connected with iron core, two iron core periphery all windings of coil winding, two iron core top fixedly connected with shielding frame, two iron core all interval type set up multiple lightening holes in, the base middle part lower side fixedly connected with water storage frame, still include circulating assembly and cooling assembly, the water storage frame is provided with circulating assembly for cooling iron core, the water storage frame rear side is provided with cooling assembly, and cooling assembly is used for cooling the water in cooling pipe.

[0007] Further, the circulating assembly comprises a water injection pipe, a drain valve pipe, a water pump and a cooling pipe, the water injection pipe is connected to the front side of the water storage frame, the drain valve pipe is connected to the front bottom of the water storage frame, the water pump is installed on the left side of the water storage frame, the cooling pipe is connected to the water pump and penetrates through the base and sequentially passes through the weight-reducing holes arranged on the two iron cores from left to right.

[0008] Further, the cooling assembly comprises a cooler, a connecting pipe and a water outlet pipe, the cooler is installed on the rear side of the water storage frame, the connecting pipe is connected to the right side of the cooler and penetrates through the rear panel of the water storage frame and is connected to the right end of the cooling pipe, and the water outlet pipe is connected to the left side of the cooler and penetrates through the rear panel of the water storage frame and communicates with the internal space of the water storage frame.

[0009] Further, the water storage frame further comprises a temperature detector arranged on the front side of the water storage frame.

[0010] Further, the water storage frame further comprises an observation window arranged on the right side of the front panel of the water storage frame.

[0011] Further, the base further comprises a plurality of buffer pads arranged on the bottom of the two base plates in a spaced manner.

[0012] The utility model discloses a cooling mechanism for the iron core of the transformer, which comprises a base, a water storage frame, a circulating assembly and a cooling assembly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is a three-dimensional structure schematic diagram of the base, the iron core and the like of the utility model.

[0015] Figure 3 It is a three-dimensional structure schematic diagram of the water injection pipe, the drain valve pipe and the temperature detector and the like of the utility model.

[0016] Figure 4 It is a three-dimensional structure schematic diagram of the water pump, the cooling pipe and the observation window and the like of the utility model.

[0017] Reference numerals: 1_base plate, 2_base, 3_iron core, 4_coil winding, 5_shielding frame, 6_weight reduction hole, 7_water storage frame, 8_water injection pipe, 9_drain valve pipe, 10_water pump, 11_cooling pipe, 12_cooler, 13_connecting pipe, 14_water outlet pipe, 15_thermometer, 16_observation window, 17_buffer pad. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Example: A dry-type transformer with a lightweight core, such as Figures 1-4 As shown, the system includes a base plate 1, a base 2, an iron core 3, a coil winding 4, a shielding frame 5, and a water storage frame 7. The base 2 is bolted between the tops of the two base plates 1. The iron core 3 is symmetrically fixed to the top of the base 2. The coil winding 4 is wound around the periphery of both iron cores 3. The shielding frame 5 is fixedly connected between the tops of the two iron cores 3 to provide additional structural support or safety isolation. Multiple weight-reducing holes 6 are spaced apart on both iron cores 3. The weight-reducing holes 6 penetrate the iron core 3 from top to bottom. The design of the spaced weight-reducing holes 6 is intended to reduce the weight of the iron core 3 while maintaining the necessary structural strength, thereby achieving a lightweight effect. The water storage frame 7 is bolted to the lower middle part of the base 2. The system also includes a circulation component and a cooling component. The water storage frame 7 is equipped with a circulation component for cooling the iron core 3. The water storage frame 7 is equipped with a cooling component for cooling the water in the cooling pipe 11.

[0020] like Figure 1 and Figure 4 As shown, the circulation assembly includes a water injection pipe 8, a drain valve pipe 9, a water pump 10, and a cooling pipe 11. The water injection pipe 8 is connected to the front side of the water storage frame 7, and the drain valve pipe 9 is connected to the front bottom side of the water storage frame 7. The water pump 10 is installed on the left side of the water storage frame 7, and the cooling pipe 11 is connected to the water pump 10. The cooling pipe 11 starts from the water pump 10, passes through the base 2, and can pass through the weight reduction holes 6 set on the two iron cores 3 from left to right.

[0021] like Figure 3 and Figure 4 As shown, the cooling assembly includes a cooler 12, a connecting pipe 13, and a water outlet pipe 14. The cooler 12 is installed on the rear side of the water storage frame 7. The connecting pipe 13 is connected to the right side of the cooler 12. The connecting pipe 13 passes through the rear panel of the water storage frame 7 and is connected to the right end of the cooling pipe 11. The water outlet pipe 14 is connected to the left side of the cooler 12. The water outlet pipe 14 passes through the rear panel of the water storage frame 7 and thus communicates with its internal space.

[0022] First, the staff through the water injection pipe 8 to the water storage frame 7 injection of an appropriate amount of cooling water, then, start the water pump 10, water pump 10 will be pumped into the cooling pipe 11 in the water storage frame 7 cooling water, after cooling pipe 11, cooling water is injected into the cooler 12 by connecting pipe 13, after cooling in cooler 12, re-injected into the water storage frame 7 by the water outlet pipe 14, so as to achieve the circulation of cooling water, so that the cooling water in the cooling pipe 11 continuously flow, cooling pipe 11 through the two iron core 3 set up the weight reduction hole 6 and keep the state of the paste, so, in the process of cooling water circulation, can better take away the heat generated by the iron core 3 work, so as to achieve better cooling effect of the iron core 3, the temperature of the cooling water after the cooler 12 can be further cooled, so that the cooling water in the water storage frame 7 to maintain a lower temperature, when the water pump 10 again into the cooling pipe 11 in the water storage frame 7 cooling water pump 10, can further improve the cooling effect of the iron core 3.

[0023] As shown in Figure 3 Also includes a temperature detector 15, the water storage frame 7 front side is provided with temperature detector 15.

[0024] By setting the temperature detector 15, the staff can obtain the temperature of the cooling water in the water storage frame 7 in real time, so as to reflect the working state of the cooler 12, when the cooling water in the water storage frame 7 is found to be continuously high, which indicates that the cooler 12 may have failed, so the staff can timely repair.

[0025] As shown in Figure 3 And Figure 4 Also includes an observation window 16, the water storage frame 7 front panel right side is provided with observation window 16.

[0026] By setting the observation window 16, the capacity of the cooling water in the water storage frame 7 can be observed in real time, avoiding the cooling water in the water storage frame 7 due to evaporation, so as to be able to timely supplement the cooling water in the water storage frame 7.

[0027] As shown in Figure 3 And Figure 4 Also includes an observation window 16, the water storage frame 7 front panel right side is provided with observation window 16.

[0028] By setting the buffer pad 17, in the process of carrying, these buffer pads 17 can effectively play a buffering effect, thereby reducing the vibration and impact suffered by the iron core 3 and other components.

[0029] Although the utility model is described in detail with reference to the above examples, it is obvious to those skilled in the art through the disclosure that various changes or modifications can be made to the utility model without departing from the principles and spirit of the utility model defined in the claims. Therefore, the detailed description of the embodiments of the disclosure is only used for explanation, not for limiting the utility model, and the protection range is defined by the content of the claims.

Claims

1. A dry-type transformer with a lightweight core, comprising a bottom plate (1), a base (2), a core (3), a coil winding (4), a shielding frame (5) and a water storage frame (7), two bottom plates (1) are fixedly connected between the top portions of the base (2), the top portions of the base (2) are fixedly connected with the core (3) in a left-right symmetrical manner, the coil winding (4) is wound around the periphery of the two cores (3), the shielding frame (5) is fixedly connected between the top portions of the two cores (3), a plurality of weight-reducing holes (6) are spaced apart and formed in the two cores (3), and the water storage frame (7) is fixedly connected to the lower side of the middle portion of the base (2), characterized in that, The circulating assembly and the cooling assembly are further included, the circulating assembly for cooling the iron core (3) is arranged on the water storage frame (7), and the cooling assembly for cooling water in the cooling pipe (11) is arranged on the rear side of the water storage frame (7); The circulating assembly comprises a water injection pipe (8), a drain valve pipe (9), a water pump (10) and a cooling pipe (11), the water injection pipe (8) is connected to the front side of the water storage frame (7), the drain valve pipe (9) is connected to the front side of the bottom of the water storage frame (7), the water pump (10) is installed on the left side of the water storage frame (7), the cooling pipe (11) is connected to the water pump (10), the cooling pipe (11) penetrates through the base (2) and sequentially passes through the weight-reducing holes (6) arranged on the two iron cores (3) from left to right; The cooling assembly comprises a cooler (12), a connecting pipe (13) and a water outlet pipe (14), the cooler (12) is installed on the rear side of the water storage frame (7), the connecting pipe (13) is connected to the right side of the cooler (12), the connecting pipe (13) penetrates through the rear panel of the water storage frame (7) and is connected to the right end of the cooling pipe (11), the water outlet pipe (14) is connected to the left side of the cooler (12), and the water outlet pipe (14) penetrates through the rear panel of the water storage frame (7) and communicates with the internal space of the water storage frame (7); The temperature detector (15) is further included and arranged on the front side of the water storage frame (7).

2. The dry-type transformer of claim 1, wherein The observation window (16) is further included and arranged on the right side of the front panel of the water storage frame (7).

3. The dry-type transformer of claim 2, wherein The buffer pad (17) is further included and arranged on the bottom of the two base plates (1) in a spaced manner.

Citation Information

Patent Citations

  • Iron core structure of material-saving dry-type transformer

    CN219658511U