Transformer oil level intelligent monitoring device
By using two sets of floating plates and infrared ranging technology, the problems of large errors in transformer oil level monitoring and inconvenient maintenance have been solved, achieving accurate and convenient oil level monitoring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANRUN TRANSFORMER (LISHUI) CO LTD
- Filing Date
- 2025-10-27
- Publication Date
- 2026-08-04
AI Technical Summary
Existing transformer oil level monitoring devices are easily affected by oil quality, single-group float plate measurement errors are large and maintenance is inconvenient, and fixed float plate structures are not easy to clean.
It uses two sets of floats and infrared transmitters to measure the oil level through infrared transmitters and reflectors, and compares the data with the controller. The floats are designed to be detachable for easy maintenance.
It achieves accuracy and convenience in oil level monitoring, reduces errors, facilitates the cleaning and maintenance of the float plate, and improves the intelligence level of the device.
Smart Images
Figure CN224594042U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of transformer oil technology, and in particular relates to an intelligent monitoring device for transformer oil level. Background Technology
[0002] Transformer oil is a mineral oil that is injected into transformers to provide insulation and auxiliary heat dissipation. The heat generated when the transformer is working can be dissipated through the transformer oil, which has many characteristics such as low viscosity and anti-aging properties.
[0003] A search revealed Chinese patent CN212300531U, which discloses a transformer oil level monitoring device. The device includes a housing with an oil inlet pipe extending to the top of the housing and fixedly installed inside. A ranging plate is also fixedly installed inside the housing, with a fixing rod fixedly installed on the top of the ranging plate and a ball bearing sleeve movably installed on the outside of the fixing rod. This transformer oil level monitoring device, by incorporating a processing board, a display board, and a buzzer, allows the ranging plate's monitoring results to be transmitted to the processing board. After centralized processing, the oil level monitoring results are displayed on the display board for easy reading by inspection personnel. When the oil level falls below the normal value, the processing board controls the buzzer to sound an alarm, alerting personnel. Simultaneously, a signal transmitting device allows for remote monitoring by management personnel, making the oil level monitoring device more intelligent and thus facilitating management.
[0004] The aforementioned device utilizes components such as floats that can move up and down to monitor the transformer oil level. The rise and fall of the floats can display the oil level. However, during use, a single set of floats is easily affected by the quality of the transformer oil. For example, in old equipment, oil stains may adhere to the floats, increasing their weight. A single set of floats cannot compare and analyze the oil level, which can easily cause errors in the oil level measurement. Moreover, the fixed float structure is not convenient for subsequent cleaning and maintenance.
[0005] In view of this, we propose an intelligent transformer oil level monitoring device. Utility Model Content
[0006] The purpose of this invention is to provide an intelligent transformer oil level monitoring device to solve the problems mentioned in the background art.
[0007] In view of this, the present invention provides a transformer oil level intelligent monitoring device, including a transformer housing, a connecting pipe 1 connected to the top of the transformer housing, a connecting pipe 2 detachably connected to the top of the connecting pipe 1, and a control box fixedly installed on the upper surface of the connecting pipe 2.
[0008] The inner top wall of the connecting pipe 2 is fixedly installed with a fixing rod 1 and a fixing rod 2. The outer surfaces of the fixing rod 1 and the fixing rod 2 are slidably connected with fixing rings. The outer surface of the fixing ring is fixedly installed with a mounting frame. The mounting frame is provided with a fixing mechanism. The fixing mechanism is installed with a positioning rod. One end of the positioning rod is slidably connected with a fixing frame. The outer surfaces of adjacent fixing frames are respectively fixedly installed with float plate 1 and float plate 2.
[0009] An infrared emitter is fixedly installed inside the second connecting pipe, and reflectors are installed on the outside of both the first and second floats.
[0010] In this technical solution, the fixed ring can move outside of fixed rod one or fixed rod two. At this time, the position of the transmitting plate can be controlled by floating plate one and floating plate two. The corresponding distance can be calculated by measuring the round-trip data by infrared transmitter and transmitting plate, so as to realize the monitoring of transformer oil level. Both floating plate one and floating plate two can measure oil level. When the data error between the two floating plate sets is large, the controller will remind external personnel to perform maintenance in time.
[0011] In the above technical solution, the control box further includes a controller and a signal transmitter, which are electrically connected, and the controller is electrically connected to an infrared transmitter.
[0012] In this technical solution, the controller can analyze and compare the data from the infrared transmitter, and the signal transmitter can provide oil level signals to the outside.
[0013] In the above technical solution, the first fixing rod and the second fixing rod are symmetrically arranged inside the second connecting pipe, and the outer surfaces of the first fixing rod and the second fixing rod are fixedly installed with limit plates to assist the linear movement of the fixing ring.
[0014] In this technical solution, the fixed ring can move outside the fixed rod one and fixed rod two, and the limiting plate can limit the rotation of the fixed ring.
[0015] In the above technical solution, the adjacent fixing frames are arranged in opposite directions, and the outer surface of the fixing frame is slidably connected to the inner wall of the mounting frame.
[0016] In this technical solution, the fixing frame can move linearly inside the mounting frame, and the fixing frame can be vertically limited.
[0017] In the above technical solution, the fixing mechanism further includes a fixing cylinder, which is fixedly installed inside the mounting frame, and the positioning rod slides linearly inside the fixing cylinder.
[0018] In this technical solution, the interior of the fixed cylinder is hollow, which can limit the position of the positioning rod.
[0019] In the above technical solution, a sealing block is slidably connected to the inner wall of the fixed cylinder, the positioning rod is fixedly installed on the outside of the sealing block, and a spring is fixedly installed on the outer surface of the adjacent sealing block.
[0020] In this technical solution, the sealing block can seal the inside of the sealing cylinder, and the spring can apply a thrust to the sealing block.
[0021] In the above technical solution, the first float and the second float are arranged symmetrically, and multiple sets of infrared emitters and reflectors are symmetrically arranged.
[0022] In this technical solution, both float plate one and float plate two can monitor oil level, and the infrared transmitter and reflector can collect data.
[0023] The beneficial effects of this utility model are:
[0024] 1. This intelligent transformer oil level monitoring device, through the cooperation of float plate one and float plate two, which are symmetrically arranged and independent of each other, allows each set of float plates to monitor the oil level. By using the cooperation of infrared transmitter and reflector, the distance to the top can be measured. By comparing and analyzing the position data of float plate one and float plate two, the oil level can be effectively monitored. When the error is large, it is convenient to clean the float plates in time, making it more convenient to use. It realizes the function of comparative analysis of transformer oil level, which helps to reduce the oil level error caused by the influence of a single set of float plates.
[0025] 2. This intelligent transformer oil level monitoring device, by setting up components such as plug rods and springs, allows the springs to push the plug rods to move through the sealing blocks. At this time, the plug rods can fix the fixing frame. The wedge-shaped structure of the plug rods also facilitates the disassembly of the fixing frame, making it convenient to disassemble and maintain float plate one and float plate two. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0027] Figure 2 This is a schematic diagram of the two components of the fixing rod in this utility model;
[0028] Figure 3 This is a schematic diagram of the two-component floating plate structure in this utility model;
[0029] Figure 4 This is a schematic diagram of the mounting bracket component in this utility model;
[0030] Figure 5 This is a schematic diagram of the fixing mechanism in this utility model.
[0031] The markings in the diagram are as follows:
[0032] 1. Transformer housing; 2. Connecting pipe one; 3. Connecting pipe two; 4. Control box; 401. Controller; 402. Signal transmitter; 5. Fixing rod one; 6. Fixing rod two; 7. Fixing ring; 8. Mounting bracket; 9. Fixing mechanism; 901. Fixing cylinder; 902. Sealing block; 903. Spring; 10. Positioning rod; 11. Fixing bracket; 12. Float one; 13. Float two; 14. Infrared transmitter; 15. Reflector; 16. Limiting plate. Detailed Implementation
[0033] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.
[0034] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0035] Example 1: This example provides a transformer oil level intelligent monitoring device, including a transformer housing 1, a connecting pipe 2 connected to the top of the transformer housing 1, a connecting pipe 3 detachably connected to the top of the connecting pipe 2, and a control box 4 fixedly installed on the upper surface of the connecting pipe 3.
[0036] The inner top wall of the connecting pipe 2 3 is fixedly installed with fixing rod 1 5 and fixing rod 2 6. The outer surfaces of fixing rod 1 5 and fixing rod 2 6 are slidably connected with fixing ring 7. The outer surface of fixing ring 7 is fixedly installed with mounting frame 8. The mounting frame 8 is provided with fixing mechanism 9. The fixing mechanism 9 is installed with positioning rod 10. One end of positioning rod 10 is slidably connected with fixing frame 11. The outer surfaces of adjacent fixing frames 11 are respectively fixedly installed with float plate 1 12 and float plate 2 13.
[0037] An infrared emitter 14 is fixedly installed inside the connecting pipe 2 3, and reflectors 15 are installed on the outside of both the float 1 12 and the float 2 13.
[0038] Among them, the fixed ring 7 can move outside the fixed rod 5 or the fixed rod 6. At this time, the position of the transmitting plate can be controlled by the float 12 and the float 2 13. The corresponding distance can be calculated by measuring the round-trip data by the infrared transmitter 14 and the transmitting plate, so as to monitor the transformer oil level. Both float 12 and float 2 13 can measure the oil level. When the data error between the two floats is large, the controller 401 will remind external personnel to perform maintenance in time.
[0039] The control box 4 is installed on the outside of the connecting pipe 2 by multiple sets of fixing bolts. A base plate is installed on the outside of the fixing rod 5 and the fixing rod 6. The base plate can limit the downward movement of the float 12 and the float 2 13 and facilitate the initial positioning. The infrared transmitter 14 can receive the light beam reflected by the transmitting plate and calculate the round-trip time to measure the distance. The interiors of the float 12 and the float 2 13 are hollow. By comparing the two sets of data, the oil level measurement is more accurate. When the difference between the two oil levels increases, the controller 401 can alert external personnel that a problem has occurred.
[0040] Example 2: This example provides a transformer oil level intelligent monitoring device. In addition to the technical solutions of the above examples, it also has the following technical features: the control box 4 includes a controller 401 and a signal transmitter 402. The controller 401 and the signal transmitter 402 are electrically connected. The controller 401 is electrically connected to the infrared transmitter 14.
[0041] Among them, the controller 401 can analyze and compare the data of the infrared transmitter 14, and the signal transmitter 402 can provide the oil level signal to the outside.
[0042] The controller 401 integrates PLC and other control programs, enabling intelligent data comparison. When data is abnormal, it can provide external warnings via signal transmitter 402. The entire system is powered externally.
[0043] Example 3: This example provides a transformer oil level intelligent monitoring device. In addition to the technical solutions of the above examples, it also has the following technical features: the first fixing rod 5 and the second fixing rod 6 are symmetrically arranged inside the second connecting pipe 3. The outer surfaces of the first fixing rod 5 and the second fixing rod 6 are fixedly installed with limit plates 16 to assist the linear movement of the fixing ring 7.
[0044] Among them, the fixed ring 7 can move outside the fixed rod 5 and the fixed rod 6, and the limiting plate 16 can limit the rotation of the fixed ring 7;
[0045] The fixed ring 7 is equipped with ball bearings to assist its smooth movement. Under the action of the limiting plate 16, the fixed ring 7 cannot rotate but can only move up and down, reducing the mutual contact between the two float plates 12 and 13.
[0046] Example 4: This example provides a transformer oil level intelligent monitoring device. In addition to the technical solutions of the above examples, it also has the following technical features: adjacent fixing frames 11 are arranged in opposite directions, and the outer surface of the fixing frame 11 is slidably connected to the inner wall of the mounting frame 8.
[0047] Among them, the fixing frame 11 can move linearly inside the mounting frame 8, and the fixing frame 11 can be vertically limited;
[0048] The mounting bracket 8 has a horizontal groove inside, which allows the fixing bracket 11 to be inserted only in a horizontal direction, thus limiting the vertical position of the fixing bracket 11 and making it more stable after installation.
[0049] Example 5: This example provides a transformer oil level intelligent monitoring device. In addition to the technical solutions of the above examples, it also has the following technical features: the fixing mechanism 9 includes a fixing cylinder 901, which is fixedly installed inside the mounting frame 8, and the positioning rod 10 slides linearly inside the fixing cylinder 901.
[0050] The fixed cylinder 901 is hollow inside, which can limit the position of the positioning rod 10;
[0051] Both ends of the fixed cylinder 901 are designed with concave structures, which can provide a moving track for the positioning rod 10. At this time, the positioning rod 10 can only move linearly inside the fixed cylinder 901.
[0052] Example 6: This example provides a transformer oil level intelligent monitoring device. In addition to the technical solutions of the above examples, it also has the following technical features: a sealing block 902 is slidably connected to the inner wall of the fixed cylinder 901, a positioning rod 10 is fixedly installed on the outside of the sealing block 902, and a spring 903 is fixedly installed on the outer surface of the adjacent sealing block 902.
[0053] Among them, the sealing block 902 can seal the inside of the sealing cylinder, and the spring 903 can apply a pushing force to the sealing block 902;
[0054] The deformation of spring 903 can push the sealing blocks 902 on both sides to move to the outside of the fixed cylinder 901. At this time, the sealing blocks 902 squeeze the two ends of the fixed cylinder 901 to form an auxiliary sealing structure, reducing the impact on spring 903. At this time, the sealing blocks 902 can push the positioning rod 10 to move. One end of the positioning rod 10 is a wedge-shaped structure. When the fixed frame 11 is installed, the positioning rod 10 can enter the interior of the fixed frame 11 and fix the fixed frame 11. Conversely, the fixed frame 11 can be removed, which facilitates the disassembly and cleaning of float plate 12 and float plate 2 13, and enables quick installation.
[0055] Example 7: This example provides a transformer oil level intelligent monitoring device. In addition to the technical solutions of the above examples, it also has the following technical features: float plate 12 and float plate 13 are symmetrically arranged, and multiple sets of infrared transmitters 14 and reflectors 15 are symmetrically arranged.
[0056] Among them, float 12 and float 2 13 can both monitor oil level, and infrared transmitter 14 and reflector 15 can collect data.
[0057] The reflector 15 can move with float 12 and float 2 13. The infrared transmitter 14 can emit and receive light beams. Distance can be calculated using the time difference. By comparing the data of the two sets of float 12 and float 2 13, the oil level data can be monitored more accurately. When the error between the two is large, the controller 401 can issue a maintenance signal to remind maintenance.
[0058] Working principle: The spring 903 can push the sealing block 902 to move. At this time, the sealing block 902 can push the positioning rod 10 to move. The positioning rod 10 can quickly fix the fixing frame 11, which facilitates the disassembly and maintenance of the float plate. Both float plate one 12 and float plate two 13 can use the light beam to measure the distance. By comparing the two sets of data, more accurate data measurement can be achieved, reducing the data error that is easily caused by a single float plate. When there is a large error in the data of float plate one 12 and float plate two 13, the controller 401 can send a maintenance signal to remind maintenance.
[0059] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.
Claims
1. A transformer oil level intelligent monitoring device, comprising a transformer housing (1), characterized in that, The top of the transformer housing (1) is connected to a connecting pipe one (2), and the top of the connecting pipe one (2) is detachably connected to a connecting pipe two (3). A control box (4) is fixedly installed on the upper surface of the connecting pipe two (3). The inner top wall of the connecting pipe 2 (3) is fixedly installed with a fixing rod 1 (5) and a fixing rod 2 (6). The outer surfaces of the fixing rod 1 (5) and the fixing rod 2 (6) are slidably connected with a fixing ring (7). The outer surface of the fixing ring (7) is fixedly installed with a mounting frame (8). The mounting frame (8) is provided with a fixing mechanism (9). The fixing mechanism (9) is installed with a positioning rod (10). One end of the positioning rod (10) is slidably connected with a fixing frame (11). The outer surfaces of adjacent fixing frames (11) are respectively fixedly installed with a float plate 1 (12) and a float plate 2 (13). An infrared transmitter (14) is fixedly installed inside the second connecting pipe (3), and a reflector (15) is installed on the outside of the first float (12) and the second float (13).
2. The intelligent transformer oil level monitoring device according to claim 1, characterized in that, The control box (4) includes a controller (401) and a signal transmitter (402) inside. The controller (401) and the signal transmitter (402) are electrically connected. The controller (401) is electrically connected to an infrared transmitter (14).
3. The intelligent transformer oil level monitoring device according to claim 1, characterized in that, The first fixing rod (5) and the second fixing rod (6) are symmetrically arranged inside the second connecting pipe (3). The outer surfaces of the first fixing rod (5) and the second fixing rod (6) are fixedly installed with limit plates (16) to assist the linear movement of the fixing ring (7).
4. The intelligent transformer oil level monitoring device according to claim 1, characterized in that, The adjacent fixing frames (11) are arranged in opposite directions, and the outer surface of the fixing frame (11) is slidably connected to the inner wall of the mounting frame (8).
5. The intelligent transformer oil level monitoring device according to claim 1, characterized in that, The fixing mechanism (9) includes a fixing cylinder (901), which is fixedly installed inside the mounting bracket (8), and the positioning rod (10) slides linearly inside the fixing cylinder (901).
6. The intelligent transformer oil level monitoring device according to claim 5, characterized in that, A sealing block (902) is slidably connected to the inner wall of the fixed cylinder (901), and the positioning rod (10) is fixedly installed on the outside of the sealing block (902). A spring (903) is fixedly installed on the outer surface of the adjacent sealing block (902).
7. The intelligent transformer oil level monitoring device according to claim 1, characterized in that, The first float (12) and the second float (13) are arranged symmetrically, and multiple sets of the infrared emitter (14) and the reflector (15) are arranged symmetrically.