Oil-immersed transformer thermometer base

By designing bolt connections and external and internal thread fits on the thermometer base of the oil-immersed transformer, the problem of increased cost and time caused by changing the thermometer base is solved, and convenient replacement is achieved.

CN223471468UActive Publication Date: 2025-10-24NANTONG HYOSUNG TRANSFORMER CO LTD
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Patent Information

Application Number
CN202422529107.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-19
Publication Date
2025-10-24
Estimated Expiration
2034-10-19

AI Technical Summary

Technical Problem

Changing the base of an oil-immersed transformer thermometer can result in increased cost and manufacturing time.

Method used

An oil-immersed transformer thermometer base was designed. By installing the thermometer base and bolt connection on the transformer flange, the thermometer tube and adapter are connected by external and internal threads, which can be easily disassembled and assembled, avoiding the steps of draining and filling oil.

Benefits of technology

This allows for easy replacement of the thermometer tube, avoiding increased costs and manufacturing time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a thermometer base of an oil-immersed transformer, and belongs to the technical field of transformers. Comprising a transformer oil tank, a through hole is formed in the transformer oil tank, a transformer flange arranged outside the through hole is arranged on the side wall of the transformer oil tank, a thermometer base is arranged on the side wall of the transformer flange, and a bolt fixedly connected with the transformer flange is arranged on the thermometer base. The center of the thermometer base is provided with a thermometer tube which penetrates through the through hole to be inserted into the transformer oil tank, and the top of the thermometer base is provided with an adapter in threaded connection with the thermometer tube. According to the utility model, the thermometer base can be fixed on the transformer flange through the bolt, the disassembly and assembly of the thermometer tube and the adapter can be conveniently realized, the adapter with a correct thread size is replaced to be matched with the corresponding thermometer tube, and oil drainage, oil injection and oil filtration are not needed in the adapter replacement process; compared with a traditional thermometer base, the cost and the manufacturing time are not greatly influenced by the change of the thermometer base.
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Description

TECHNICAL FIELD

[0001] The utility model provides a kind of oil-immersed transformer thermometer base, belong to transformer technical field. BACKGROUND

[0002] The transformer is the device for changing AC voltage using the principle of electromagnetic induction. The transformer can be divided into power transformer, fully sealed transformer, combined transformer, dry-type transformer, oil-immersed transformer and single-phase transformer according to its use. The oil-immersed transformer is an essential type of transformer, which is one of the important equipment in the power supply system for industrial and mining enterprises and civil buildings, and is widely used indoors and outdoors.

[0003] When installing the oil-immersed transformer thermometer, the thermometer probe is screwed into a thermometer seat installed on the transformer oil tank. In this case, if the thermometer seat is installed incorrectly, the thermometer seat with thread size A is welded into the thermometer seat with thread size B. After the transformer assembly is completed, the problem is found and the thermometer seat is changed. The transformer oil in the transformer oil tank needs to be drained, the correct thermometer seat needs to be changed, and the transformer oil needs to be injected again. This process requires the transformer oil to be filtered again, which increases the cost and manufacturing time of the transformer. Based on this, the utility model provides an oil-immersed transformer thermometer base. UTILITY MODEL CONTENT

[0004] The technical problem solved by the utility model is that the change of the thermometer base of the oil-immersed transformer will have a great impact on the cost and manufacturing time.

[0005] To solve the technical problem, the utility model provides a technical solution: an oil-immersed transformer thermometer base, comprising a transformer oil tank, a through hole is provided on the transformer oil tank, a transformer flange is provided on the side wall of the transformer oil tank outside the through hole, a thermometer base is provided on the side wall of the transformer flange, a bolt is fixedly connected with the transformer flange on the thermometer base, a thermometer tube is provided in the center of the thermometer base and inserted into the transformer oil tank through the through hole, and an adapter is threadedly connected with the thermometer tube on the top of the thermometer base.

[0006] Further, a through hole is provided on the transformer flange through which the thermometer tube passes, and the transformer flange is welded and fixed with the transformer oil tank.

[0007] Further, a plurality of mounting holes matched with the bolt are provided on the circumference of the thermometer base, and a flange hole matched with the mounting hole and the bolt is provided on the circumference of the transformer flange.

[0008] Further, a center hole is provided in the center of the thermometer base, and the thermometer tube is welded and fixed inside the center hole.

[0009] Further, the lower part of the adapter is provided with a threaded connecting pipe, the threaded connecting pipe is provided with external threads, and the inner wall top of the thermometer pipe is provided with internal threads matched with the external threads.

[0010] The utility model discloses beneficial effect:

[0011] The thermometer base is fixedly installed on the transformer flange through bolts, the thermometer pipe is inserted into the transformer oil tank of the oil-immersed transformer, and the thermometer pipe and the adapter can be conveniently disassembled and assembled under the cooperation of the external threads and the internal threads. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the plane schematic drawing of the utility model.

[0013] Figure 2 It is the plane schematic drawing of the thermometer base of the utility model.

[0014] Figure 3 It is the plane schematic drawing of the adapter of the utility model.

[0015] 1, transformer oil tank;2, transformer flange;3, thermometer base;4, adapter;5, external thread;6, internal thread;7, mounting hole;8, flange hole;9, thermometer pipe;10, bolt;11, perforation;12, through hole;13, center hole. DETAILED DESCRIPTION

[0016] The utility model is further explained in connection with the drawings below.

[0017] According to the drawings Figure 1 、 2 , 3 shows: the utility model provides a kind of oil-immersed transformer thermometer base: including transformer oil tank 1, and transformer oil tank 1 is provided with perforation 11, and the side wall of transformer oil tank 1 is provided with the transformer flange 2 placed in the outside of perforation 11, and the side wall of transformer flange 2 is provided with thermometer base 3, and the center of thermometer base 3 is provided with thermometer pipe 9 inserted into transformer oil tank 1 through perforation 11, and the top of thermometer base 3 is provided with the adapter 4 of the threaded connection with thermometer pipe 9, and the lower part of adapter 4 is provided with threaded connecting pipe, and threaded connecting pipe is provided with external threads 5, and the inner wall top of thermometer pipe 9 is provided with internal threads 6 matched with external threads 5, can conveniently realize the disassembly and assembly of thermometer pipe 9 and adapter 4, by replacing adapter 4 and corresponding thermometer pipe 9 cooperation, the process of adapter 4 replacement does not need to discharge oil, oil injection, filter oil.

[0018] According to the drawings Figure 1 , 2 As shown in the drawings: the transformer flange 2 is provided with a through hole 12 through which the thermometer tube 9 passes, the transformer flange 2 is welded and fixed together with the transformer oil tank 1, the transformer flange 2 is fixed in position on the side wall of the transformer oil tank 1 of the oil-immersed transformer, so that the thermometer tube 9 is inserted from the through hole 12 to the inside of the transformer oil tank 1 of the oil-immersed transformer, the center hole 13 is arranged in the center of the thermometer base 3, and the top of the thermometer tube 9 is welded and fixed in the center hole 13, thereby playing a role of fixing the thermometer tube 9 on the thermometer base 3.

[0019] According to the drawings Figure 1 As shown in the drawings: the thermometer base 3 is provided with a bolt 10 fixedly connected with the transformer flange 2, a plurality of mounting holes 7 matched with the bolt 10 are arranged on the circumference of the thermometer base 3, and a flange hole 8 matched with the bolt 10 is arranged on the circumference of the transformer flange 2 and penetrates the mounting hole 7, so that the thermometer base 3 can be fixedly installed on the transformer flange 2 by matching the bolt 10 with the mounting hole 7 and the flange hole 8.

[0020] The principle of the utility model

[0021] In use, the thermometer base 3 is fixedly installed on the transformer flange 2 through the bolt 10, so that the thermometer tube 9 is inserted into the inside of the transformer oil tank 1 of the oil-immersed transformer, the transformer oil tank 1 of the oil-immersed transformer is filled with oil, and under the cooperation of the external thread 5 and the internal thread 6, the dismounting and mounting work of the thermometer tube 9 and the adapter 4 can be conveniently realized; if the installed adapter 4 is of incorrect size, the adapter 4 of correct thread size is replaced to cooperate with the corresponding thermometer tube 9, and the replacement process of the adapter 4 does not require oil draining, oil injection and oil filtering, and the change of the traditional thermometer base 3 of the oil-immersed transformer will not greatly affect the cost and manufacturing time.

[0022] The above describes the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are designed without creativity, which should all belong to the protection scope of the utility model.

Claims

1. An oil-immersed transformer thermometer base comprising a transformer oil tank (1), characterized in that: The transformer oil tank (1) is provided with a through hole (11), a transformer flange (2) is provided on the side wall of the transformer oil tank (1) and is arranged outside the through hole (11), a thermometer base (3) is provided on the side wall of the transformer flange (2), a bolt (10) fixedly connected to the transformer flange (2) is provided on the thermometer base (3), a thermometer tube (9) is provided at the center of the thermometer base (3) and is inserted into the transformer oil tank (1) through the through hole (11), and an adapter (4) is provided on the top of the thermometer base (3) and is threadedly connected to the thermometer tube (9).

2. An oil-immersed transformer thermometer pad according to claim 1, characterized in that: The transformer flange (2) is provided with a through hole (12) through which the thermometer tube (9) passes, and the transformer flange (2) is fixed to the transformer oil tank (1) by welding.

3. An oil-immersed transformer thermometer pad according to claim 1, characterized in that: The thermometer base (3) is provided with a plurality of mounting holes (7) matched with bolts (10) on its upper circumference, and the transformer flange (2) is provided with flange holes (8) that penetrate the mounting holes (7) and match with the bolts (10) on its upper circumference.

4. An oil-immersed transformer thermometer pad according to claim 1, characterized in that: A center hole (13) is provided at the center of the thermometer base (3), and the top of the thermometer tube (9) is welded and fixed inside the center hole (13).

5. An oil-immersed transformer thermometer pad according to claim 1, characterized in that: The adapter (4) is provided with a threaded connection pipe at the bottom, the threaded connection pipe is provided with an external thread (5), and the top of the inner wall of the thermometer tube (9) is provided with an internal thread (6) matching the external thread (5).