Heat dissipation transformer structure
By designing structures such as insulation boxes, heat exchangers, water chambers and cooling chambers in oil-immersed transformers, the water circulation system is used to achieve efficient heat dissipation of oil, which solves the problem of low heat dissipation efficiency of existing oil-immersed transformers and realizes reliability The heat dissipation effect.
Patent Information
- Application Number
- CN202323423790.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-15
AI Technical Summary
The existing oil-immersed transformers have low heat dissipation efficiency and require structural improvements to improve heat dissipation performance.
A heat sink transformer structure is designed, including an insulating box, heat exchanger, water chamber, cooling chamber, heat sink plate, return pump and condensation tube. The water circulation system is used to achieve efficient heat dissipation of oil, and heat exchanger and heat sink plate are used to perform heat. Exchange, the reflux pump reflows the cooled water to the water chamber, and the evaporation port and the condenser tube assist in condensation.
It realizes efficient heat dissipation of oil, uses small and reliable water, meets the heat dissipation needs of transformers, and improves heat dissipation efficiency.
Smart Images
Figure CN222260734U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformer heat dissipation, in particular to a heat dissipation transformer structure. Background Art
[0002] Transformers can be divided into the following categories according to their uses: distribution transformers, power transformers, fully sealed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection transformers, box-type transformer test transformers, corner transformers, high current transformers, excitation transformers, etc.
[0003] An oil-immersed transformer is a type of transformer that dissipates heat for internal equipment through internal transformer oil. However, the current oil-immersed transformer has a low heat dissipation efficiency and needs structural improvement. Utility Model Content
[0004] The purpose of the present application is to provide a heat dissipation transformer structure to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a heat dissipation transformer structure, including a transformer main body, an insulating box is fixedly installed at the bottom end of the transformer main body, an oil outlet pipe and an oil inlet pipe are connected to the bottom end of the inner cavity of the transformer main body, a heat exchanger is arranged between the oil outlet pipe and the oil inlet pipe, one end of the heat exchanger is connected to the oil outlet pipe and the other end thereof is connected to the oil inlet pipe, the interior of the insulating box is divided into an upper water cavity and a lower cooling cavity, the heat exchanger is located inside the water cavity, a heat sink is fixedly installed at the bottom end of the cooling cavity, a reflux pump is fixedly installed inside the cooling cavity, the output end of the reflux pump is connected to the interior of the water cavity, and opposite sides of the insulating box are provided with evaporation ports connected to the interior of the water cavity, a condenser is connected at the evaporation port, and the other end of the condenser is connected to the interior of the cooling cavity.
[0006] Preferably, a temperature sensor for detecting the water temperature inside the cooling chamber is fixedly installed inside the cooling chamber.
[0007] Preferably, a plurality of evenly spaced heat dissipating fins are fixedly mounted on the bottom end of the heat dissipation plate.
[0008] Preferably, the heat exchanger comprises a first hollow plate, a second hollow plate and a heat exchange tube, the heat exchange tube is provided in plurality and the heat exchange tube connects the first hollow plate and the second hollow plate, the first hollow plate is connected to the oil outlet pipe, and the second hollow plate is connected to the oil inlet pipe.
[0009] Preferably, a water inlet with a valve is fixedly mounted on one side of the insulation box, and the water inlet leads to the interior of the water cavity.
[0010] Preferably, the insulation box is made of heat-insulating material.
[0011] In summary, the technical effects and advantages of the utility model are:
[0012] In the utility model, the water cavity is first filled with water, and the oil in the transformer body is pumped out from the oil outlet pipe to the heat exchanger by the oil pump after taking away the heat of the internal iron core. The oil exchanges heat with the water in the water cavity through the heat exchanger, and then the oil flows back from the oil inlet pipe to the transformer body to complete the heat dissipation. The heated water evaporates and enters the condenser pipe from the evaporation port for preliminary condensation and enters the cooling cavity. The heat is further dissipated through the heat dissipation plate in the cooling cavity. When the temperature drops to the required temperature, it is pumped back to the water cavity through the reflux pump. In this way, a small amount of water is used and reliable heat dissipation of the transformer is met. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0014] Figure 1 This is a schematic structural diagram of a heat dissipation transformer structure in an embodiment of the present application;
[0015] Figure 2 This is a schematic diagram of the heat exchanger structure of a heat dissipation transformer structure in an embodiment of the present application.
[0016] In the figure: 1. Transformer body; 2. Oil outlet pipe; 3. Oil inlet pipe; 4. Heat exchanger; 5. Oil pump; 6. Insulation box; 7. Water cavity; 9. Evaporation port; 10. Condenser; 11. Cooling cavity; 12. Temperature sensor; 13. Reflux pump; 14. Heat sink; 15. Water inlet; 16. First hollow plate; 17. Second hollow plate; 18. Heat exchange tube. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0019] It should also be noted that the standard parts used in this application document can be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and in the absence of clear limitations, machines, parts and equipment can all adopt conventional models in the prior art.
[0020] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
[0021] Example: Reference Figure 1-2A heat dissipation transformer structure shown in the figure comprises a transformer body 1, a heat-insulating box 6 is fixedly installed at the bottom end of the transformer body 1, an oil outlet pipe 2 and an oil inlet pipe 3 are connected to the bottom end of the inner cavity of the transformer body 1, a heat exchanger 4 is arranged between the oil outlet pipe 2 and the oil inlet pipe 3, one end of the heat exchanger 4 is connected to the oil outlet pipe 2 and the other end is connected to the oil inlet pipe 3, the interior of the heat-insulating box 6 is divided into an upper water cavity 7 and a lower cooling cavity 11, the heat exchanger 4 is located inside the water cavity 7, a heat sink 14 is fixedly installed at the bottom end of the cooling cavity 11, a reflux pump 13 is fixedly installed inside the cooling cavity 11, the output end of the reflux pump 13 is connected to the interior of the water cavity 7, the heat-insulating box 6 The two opposite sides of the transformer are provided with evaporation ports 9 connected with the inside of the water cavity 7. The evaporation ports 9 are connected with a condenser 10. The other end of the condenser 10 leads to the inside of the cooling cavity 11. The water cavity is first filled with water. After the oil in the transformer body takes away the heat of the internal iron core, it is pumped out from the oil outlet pipe to the heat exchanger by the oil pump. The oil exchanges heat with the water in the water cavity through the heat exchanger, and then the oil flows back from the oil inlet pipe to the transformer body to complete the heat dissipation. The heated water evaporates and enters the condenser from the evaporation port to enter the cooling cavity for preliminary condensation. The heat is dissipated again through the heat sink in the cooling cavity. When the temperature drops to the required temperature, it is pumped back to the water cavity through the reflux pump. In this way, a small amount of water is used and reliable heat dissipation of the transformer is met.
[0022] According to the above structure, a temperature sensor 12 for detecting the water temperature inside the cooling chamber 11 is fixedly installed inside the cooling chamber 11 .
[0023] By means of the above structure: a plurality of evenly spaced heat dissipating fins are fixedly mounted on the bottom end of the heat dissipation plate 14 to improve the heat dissipation effect.
[0024] By means of the above structure: the heat exchanger 4 includes a first hollow plate 16, a second hollow plate 17 and a heat exchange tube 18, the heat exchange tube 18 is provided with a plurality of heat exchange tubes 18 and the heat exchange tubes 18 connect the first hollow plate 16 and the second hollow plate 17, the first hollow plate 16 is connected to the oil outlet pipe 2, and the second hollow plate 17 is connected to the oil inlet pipe 3, so that the oil can be diverted for heat exchange, and the heat exchange effect is good.
[0025] By means of the above structure: a water injection port 15 with a valve is fixedly installed on one side of the insulation box 6, and the water injection port 15 leads to the interior of the water cavity 7 to facilitate the injection of cold water.
[0026] By means of the above structure: the insulation box 6 is made of heat-insulating material to reduce the heat exchange of water in the water cavity and the cooling cavity.
[0027] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A heat dissipation transformer structure, comprising a transformer body (1), characterized in that: An insulating box (6) is fixedly mounted at the bottom end of the transformer body (1); an oil outlet pipe (2) and an oil inlet pipe (3) are connected to the bottom end of the inner cavity of the transformer body (1); a heat exchanger (4) is arranged between the oil outlet pipe (2) and the oil inlet pipe (3); one end of the heat exchanger (4) is connected to the oil outlet pipe (2) and the other end is connected to the oil inlet pipe (3); the interior of the insulating box (6) is divided into an upper water cavity (7) and a lower cooling cavity (11); the heat exchanger (4) is located in the water cavity. (7), a heat sink (14) is fixedly installed at the bottom end of the cooling chamber (11), a reflux pump (13) is fixedly installed inside the cooling chamber (11), the output end of the reflux pump (13) is connected to the inside of the water chamber (7), and the two opposite sides of the insulation box (6) are provided with an evaporation port (9) connected to the inside of the water chamber (7), and the evaporation port (9) is connected to a condenser (10), and the other end of the condenser (10) is connected to the inside of the cooling chamber (11).
2. A heat dissipation transformer structure according to claim 1, characterized in that: A temperature sensor (12) for detecting the water temperature inside the cooling chamber (11) is fixedly installed inside the cooling chamber (11).
3. A heat dissipation transformer structure according to claim 1, characterized in that: A plurality of evenly spaced heat dissipation fins are fixedly mounted on the bottom end of the heat dissipation plate (14).
4. A heat dissipation transformer structure according to claim 1, characterized in that: The heat exchanger (4) comprises a first hollow plate (16), a second hollow plate (17) and a heat exchange tube (18). The heat exchange tube (18) is provided in plurality and the heat exchange tube (18) connects the first hollow plate (16) and the second hollow plate (17). The first hollow plate (16) is connected to the oil outlet pipe (2), and the second hollow plate (17) is connected to the oil inlet pipe (3).
5. The heat dissipation transformer structure according to claim 1, characterized in that: A water inlet (15) with a valve is fixedly mounted on one side of the insulation box (6), and the water inlet (15) leads to the interior of the water cavity (7).
6. The heat dissipation transformer structure according to claim 1, characterized in that: The thermal insulation box (6) is made of thermal insulation material.