Box-type transformer monitoring device
By introducing expansion tubes, alarms, and circulating water pump systems into the box-type transformer, the problem of transformer oil deterioration caused by excessive oil temperature was solved, enabling timely alarm and cooling protection of the transformer and ensuring equipment safety.
Patent Information
- Application Number
- CN202520605059.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
When the oil temperature of existing box-type transformers is too high, the transformer oil deteriorates rapidly, and existing technologies lack effective detection and timely cooling methods.
A box-type transformer monitoring device was designed, comprising an expansion tube, an expansion spring, a rotating shaft, an alarm, a circulating water pump, and a heat absorption plate. The expansion tube senses high temperatures, triggers an alarm, and starts the circulating water pump to cool the tank. The heat absorption plate absorbs the high temperatures on the surface of the oil tank.
It enables timely alarm and effective cooling protection for abnormal oil temperature, preventing damage to the internal insulation of the transformer and ensuring safe and stable operation of the equipment.
Smart Images
Figure CN223955018U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of transformer technology, and in particular to a box-type transformer monitoring device. Background Technology
[0002] A box-type transformer is an integrated power distribution device that organically combines traditional transformers, high-voltage control equipment, and low-voltage control equipment into a completely sealed tempered steel enclosure. This design gives it the characteristics of small size, light weight, low noise, low loss, and high reliability, and it is widely used in residential communities, commercial centers, airports, factories, mines, hospitals, schools, and other places.
[0003] Transformers contain an oil tank. During use, excessively high oil temperatures can cause rapid deterioration of the transformer oil and accelerated aging of the insulating paper, ultimately leading to damage to the internal insulation and serious faults such as short circuits. Therefore, it is necessary to monitor the oil temperature. When abnormal oil temperature is detected, it is necessary to cool it down in a timely manner. To address the above issues, a box-type transformer monitoring device is required. Utility Model Content
[0004] The purpose of this invention is to solve the problem in the prior art that excessively high transformer oil temperature leads to rapid deterioration of transformer oil, requiring detection and timely cooling when abnormal oil temperature is detected. Therefore, a box-type transformer monitoring device is proposed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A box-type transformer monitoring device includes a protection box, a transformer body installed on the inner wall of the protection box, a sealed barrel installed on the upper surface of the transformer body, an oil tank fixedly connected to the inner wall of the sealed barrel, an expansion tube inserted into the inner wall of the oil tank, an instrument panel installed on the surface of the sealed barrel, a rotating shaft rotatably connected to the inner wall of the instrument panel, an expansion spring fixedly fitted on the surface of the rotating shaft, one end of the expansion tube fixedly connected to the surface of the expansion spring, an index label provided on the surface of the instrument panel, and a connection alarm mechanism installed on the inner wall of the rotating shaft.
[0007] Preferably, the communication alarm mechanism includes a V-shaped conductive plate fixedly connected to the inner wall of the rotating shaft, a first conductive plate fixedly connected to the surface of the sealed barrel, and a second conductive plate fixedly connected to the surface of the sealed barrel.
[0008] Furthermore, a pointer is fixedly connected to the surface of the rotating shaft, the pointer is installed on one side of the instrument panel, and an alarm is fixedly connected to the upper surface of the protective box.
[0009] Preferably, the inner wall of the sealed barrel is fixedly connected with a circulating water pipe, the surface of the circulating water pipe is fixedly connected with a circulating water pump, the surface of the circulating water pipe is fixedly connected with a plurality of heat absorption plates, and the surface of the heat absorption plates is attached to the surface of the oil tank.
[0010] Further, the inner top wall of the protection box is fixedly connected with a fixing cylinder, the inner wall of the fixing cylinder is rotatably connected with an electric screw rod, the inner wall of the electric screw rod is slidably connected with a moving block, and the inner wall of the moving block is threadedly connected with the surface of the electric screw rod.
[0011] Preferably, the lower surface of the moving block is fixedly connected with a first camera and a second camera, and the surface of the protection box is rotatably connected with a pair of switch doors.
[0012] The utility model discloses beneficial effects are:
[0013] When the oil tank is high-temperature abnormal, the expansion pipe expands under heat, drives the expansion spring to expand and drive the rotating shaft to rotate, when the V-shaped conductive plate rotates and contacts the surface of the first conductive plate and the second conductive plate, the circuit realizes the passage, drives the alarm to send the sound alarm, starts the circulating water pump and drives the circulating cooling water in the circulating water pipe to flow, and the high temperature on the surface of the oil tank is absorbed through the plurality of heat absorption plates, so that the effect of cooling protection is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the box-type transformer monitoring device provided by the utility model;
[0015] Figure 2 It is a sectional structure schematic view of the protection box in the box-type transformer monitoring device provided by the utility model;
[0016] Figure 3 It is a sectional structure schematic view of the instrument panel in the box-type transformer monitoring device provided by the utility model;
[0017] Figure 4 It is a sectional structure schematic view of the fixing cylinder in the box-type transformer monitoring device provided by the utility model;
[0018] Figure 5 It is a three-dimensional structure schematic view of the heat absorption plate in the box-type transformer monitoring device provided by the utility model.
[0019] In the figure: 1, protective box; 2, switch door; 3, circulating water pipe; 4, transformer main body; 5, circulating water pump; 6, sealed barrel; 7, oil tank; 8, expansion pipe; 9, instrument panel; 10, pointer; 11, expansion spring; 12, first conductive plate; 13, V-shaped conductive plate; 14, second conductive plate; 15, rotating shaft; 16, alarm; 17, index label; 18, fixed cylinder; 19, electric screw; 20, first camera; 21, moving block; 22, second camera; 23, heat absorbing plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments only represent some of the embodiments of the utility model, rather than all the embodiments.
[0021] Referring to Figures 1-5 A box-type transformer monitoring device, including protective box 1, the inner wall of protective box 1 is installed transformer main body 4, the upper surface of transformer main body 4 is installed sealed barrel 6, the inner wall of sealed barrel 6 is fixedly connected with oil tank 7, the inner wall of oil tank 7 is inserted with expansion pipe 8, the surface of sealed barrel 6 is installed instrument panel 9, the inner wall of instrument panel 9 is rotatably connected with rotating shaft 15, the surface of rotating shaft 15 is fixedly provided with expansion spring 11, one end of expansion pipe 8 is fixedly connected with the surface of expansion spring 11, the surface of instrument panel 9 is provided with index label 17, the inner wall of rotating shaft 15 is installed with intercommunication alarm mechanism.
[0022] Through the protective box 1, the transformer main body 4 is protected, through the oil tank 7, the oil is stored, through the expansion pipe 8, when the expansion pipe 8 senses high temperature, the expansion pipe 8 expands, drives the expansion spring 11 to heat expansion, makes the expansion spring 11 drive rotating shaft 15 to rotate, through the index label 17, the rotation angle of pointer 10 is understood, through the intercommunication alarm mechanism, when rotating shaft 15 rotates a certain angle, drives alarm 16 to issue an alarm.
[0023] In the utility model, referring to Figure 3 The intercommunication alarm mechanism includes V-shaped conductive plate 13 fixedly connected to the inner wall of rotating shaft 15, first conductive plate 12 fixedly connected to the surface of sealed barrel 6, and second conductive plate 14 fixedly connected to the surface of sealed barrel 6.
[0024] Through the V-shaped conductive plate 13, when the V-shaped conductive plate 13 rotates a certain angle along with rotating shaft 15, the first conductive plate 12, the V-shaped conductive plate 13 and the second conductive plate 14 form a passage, the circuit is closed, causing alarm 16 to alarm operation.
[0025] In the utility model, referring to Figure 3 And Figure 4A pointer 10 is fixedly connected to the surface of the rotating shaft 15. The pointer 10 is installed on one side of the instrument panel 9. An alarm 16 is fixedly connected to the upper surface of the protective box 1.
[0026] By setting alarm 16, an alarm will be set to promptly alert outside personnel when the oil temperature is too high.
[0027] In this utility model, reference Figure 2 and Figure 5 A circulating water pipe 3 is fixedly connected to the inner wall of the sealed barrel 6. A circulating water pump 5 is fixedly connected to the surface of the circulating water pipe 3. Multiple heat absorption plates 23 are fixedly connected to the surface of the circulating water pipe 3. The surface of the heat absorption plates 23 is in contact with the surface of the oil tank 7.
[0028] The internal cooling water is circulated by the circulating water pipe 3, and the high temperature on the surface of the oil tank 7 is absorbed by the heat absorption plate 23.
[0029] In this utility model, reference Figure 4 The inner top wall of the protective box 1 is fixedly connected to a fixed cylinder 18, the inner wall of the fixed cylinder 18 is rotatably connected to an electric lead screw 19, the inner wall of the electric lead screw 19 is slidably connected to a moving block 21, and the inner wall of the moving block 21 is threadedly connected to the surface of the electric lead screw 19.
[0030] By setting the electric lead screw 19, the moving block 21 is driven to move, and the first camera 20 and the second camera 22 are installed and fixed by setting the moving block 21.
[0031] In this utility model, reference is made to Figure 1 and Figure 4 The lower surface of the moving block 21 is fixedly connected to the first camera 20 and the second camera 22, and the surface of the protective box 1 is rotatably connected to a pair of switch doors 2.
[0032] By setting up a pair of switch doors 2, it is convenient to open the pair of switch doors 2 to maintain the internal transformer body 4. By setting up a first camera 20 and a second camera 22, the transformer body 4 and the maintenance personnel can be monitored respectively.
[0033] Working principle: when the oil tank 7 is abnormally high temperature, make the expansion pipe 8 heat expansion, drive expansion spring 11 expansion drive rotating shaft 15 rotation, when V-shaped conductive plate 13 rotation and the surface of the first conductive plate 12 and the second conductive plate 14 contact, the circuit realizes the passage, drive alarm 16 sound alarm, tell the maintenance personnel need to cool the oil tank 7, at this time open the switch door 2, start circulating water pump 5, circulating water pump 5 drive circulating water pipe 3 in the circulating cooling water flow, through a plurality of heat absorption plate 23 absorption oil tank 7 surface high temperature, to achieve the effect of cooling, in the maintenance personnel operation maintenance, start electric screw 19, electric screw 19 drive moving block 21 in fixed cylinder 18 movement, through the first camera 20 and second camera 22, to the overhaul transformer main body 4 and maintenance personnel monitoring, prevent external personnel to transformer main body 4 produce damage, by the above structure, when the oil tank 7 is abnormally high temperature, timely alarm processing, and cooling protection.
[0034] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art in the technical range disclosed by the present application, according to the technical scheme of the present application and the utility model concept to replace or change, should be covered in the protection scope of the present application.
Claims
1. A box-type transformer monitoring device comprising a protection box (1), characterized in that, The inner wall of the protection box (1) is provided with a transformer body (4), the upper surface of the transformer body (4) is provided with a sealed barrel (6), the inner wall of the sealed barrel (6) is fixedly connected with an oil tank (7), the inner wall of the oil tank (7) is inserted with an expansion pipe (8), the surface of the sealed barrel (6) is provided with an instrument panel (9), the inner wall of the instrument panel (9) is rotatably connected with a rotating shaft (15), the surface of the rotating shaft (15) is fixedly sleeved with an expansion spring (11), one end of the expansion pipe (8) is fixedly connected with the surface of the expansion spring (11), the surface of the instrument panel (9) is provided with an index label (17), and the inner wall of the rotating shaft (15) is provided with a communication alarm mechanism.
2. The box-type transformer monitoring device according to claim 1, characterized by The communication alarm mechanism comprises a V-shaped conductive plate (13) fixedly connected to the inner wall of the rotating shaft (15), a first conductive plate (12) fixedly connected to the surface of the sealed barrel (6), and a second conductive plate (14) fixedly connected to the surface of the sealed barrel (6).
3. The box-type transformer monitoring device according to claim 1, characterized by, The surface of the rotating shaft (15) is fixedly connected with a pointer (10), the pointer (10) is installed on one side of the instrument panel (9), and the upper surface of the protection box (1) is fixedly connected with an alarm (16).
4. The box-type transformer monitoring device according to claim 1, characterized by, The inner wall of the sealed barrel (6) is fixedly connected with a circulating water pipe (3), the surface of the circulating water pipe (3) is fixedly connected with a circulating water pump (5), the surface of the circulating water pipe (3) is fixedly connected with a plurality of heat absorbing plates (23), and the surface of the heat absorbing plate (23) is attached to the surface of the oil tank (7).
5. The box-type transformer monitoring device according to claim 1, characterized by, The inner top wall of the protection box (1) is fixedly connected with a fixed cylinder (18), the inner wall of the fixed cylinder (18) is rotatably connected with an electric screw rod (19), the inner wall of the electric screw rod (19) is slidably connected with a moving block (21), and the inner wall of the moving block (21) is threadedly connected with the surface of the electric screw rod (19).
6. A box-type transformer monitoring device according to claim 5, characterized in that, The lower surface of the moving block (21) is fixedly connected with a first camera (20) and a second camera (22), and the surface of the protection box (1) is rotatably connected with a pair of switch doors (2).