Transformer insulating oil micro-water monitoring sensor

Abstract

The utility model discloses a transformer insulating oil micro-water monitoring sensor which comprises a shell, a protection structure is installed on one side of the shell and comprises a sealing strip, a wear-resisting plate, a damping block and wear-resisting lines, the sealing strip is installed on one side of the shell, an installation base is installed at the top end of a permanent magnet, and a shell body is installed at the top end of the installation base. The top end of the shell is provided with a connecting block, and the top end of the connecting block is provided with a plug. According to the utility model, the mounting plate is connected with the connecting plate and is fixedly connected with the fan, the fan rotates at a high speed to generate airflow to blow away internal hot air so as to cool the interior of the sensor, meanwhile, the cooling fins are mounted at the bottom end of the fan, the cooling holes are formed in the cooling fins, and the cooling fins are made of metal materials with strong thermal conductivity; when the transformer insulating oil micro-water monitoring sensor is used, the cooling fins can absorb heat, and the surface area of the cooling fins is large, so that heat dissipation can be quickly carried out, and the purpose of heat dissipation of the transformer insulating oil micro-water monitoring sensor is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a transformer insulating oil micro-water monitoring sensor. Background Art

[0002] A sensor is a device, module or subsystem whose purpose is to detect events or changes in the environment and send information to other electronic devices, usually computer processors. It refers to a measuring device that can convert the measured non-electrical quantity into a corresponding electrical quantity or electrical parameter output that is easy to accurately process according to a certain rule. The output of which is a standardized signal is called a transmitter. A water quality monitoring sensor is an instrument for detecting water quality parameters. It includes measuring devices for various physical quantities and electronic circuit parts, usually composed of sensing elements, conversion elements and signal processing. It is used in manufacturing and machinery, aircraft and aerospace, automobiles, medicine, robots and many other aspects of our daily life. Therefore, a transformer insulating oil micro-water monitoring sensor is needed.

[0003] To this end, China's patent application number is CN214794627U, which discloses that the utility model discloses a micro-water sensor for transformer oil chromatography online monitoring system, which relates to the field of transformer testing technology, including a bracket and a micro-water sensor, wherein a sleeve is fixedly connected to the bracket, and an annular sleeve is rotatably connected to the outer surface of the sleeve, and a plurality of connecting arms are arranged on the outer surface of the annular sleeve, and a base is fixedly connected to one end of the connecting arm away from the annular sleeve, and a probe is arranged on the base, and the probe is electrically connected to the micro-water sensor. The utility model sets a rotating drive mechanism, and provides power through a servo motor, and the servo motor transmits power to the second gear, and the second gear drives the first gear to rotate, and the first gear drives the rotating shaft to rotate, and the rotating shaft drives the annular sleeve to rotate through a connecting rod, and the annular sleeve drives the connecting arm, the base and the probe to move, thereby realizing continuous movement in the transformer oil, thereby changing from passive to active, and the detection range is larger and more accurate.

[0004] The above-mentioned prior art drives the annular sleeve to rotate through the connecting rod, and the annular sleeve drives the connecting arm, the base and the probe to move, thereby realizing continuous movement in the transformer oil, thereby turning passive into active, with a larger detection range and higher accuracy. However, the sensor will generate a lot of heat during long-term work. If the heat is not discharged in time, it is easy to cause internal aging of the sensor, thereby affecting the accuracy of the sensor and reducing the service life of the sensor. Utility Model Content

[0005] The utility model aims to provide a transformer insulating oil micro-water monitoring sensor to solve the defect that the existing sensor will generate a lot of heat during long-term operation. If the heat is not discharged in time, it is easy to cause internal aging of the sensor, thereby affecting the accuracy of the sensor and reducing the service life of the sensor.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a transformer insulating oil micro-water monitoring sensor, comprising a housing;

[0007] A protective structure is installed on one side of the shell, and the protective structure includes a sealing strip, a wear-resistant plate, a damping block and a wear-resistant pattern. The sealing strip is installed on one side of the shell, a heat dissipation structure is installed on the top of the shell, a permanent magnet is installed on the top of the heat dissipation structure, a telescopic structure is installed on one side of the protective structure, and a mounting block is installed on one end of the shell;

[0008] A mounting seat is installed at the top of the permanent magnet, and a shell is installed at the top of the mounting seat;

[0009] A connection block is installed on the top of the shell, and a plug is installed on the top of the connection block.

[0010] When in use, first connect the connecting plate to the fan through the mounting plate, and the high-speed rotation of the fan generates airflow to blow away the hot air inside, so as to cool the inside of the sensor. At the same time, an anti-heat sink is installed at the bottom of the fan, and heat dissipation holes are installed inside the heat sink. The heat sink is made of a metal material with strong thermal conductivity. The heat sink can absorb heat, and then due to the large surface area of ​​the heat sink, it can quickly dissipate heat.

[0011] Preferably, a damping block is installed on one side of the sealing strip, and wear-resistant grooves are installed on the top of the wear-resistant plate to strengthen the tight seal.

[0012] Preferably, the wear-resistant plates are arranged at equal intervals on one side of the sealing strip, and the wear-resistant plates are symmetrically distributed about the two ends of the permanent magnet at a vertical center line, so as to provide wear-resistant protection for the housing.

[0013] Preferably, the heat dissipation structure includes a mounting plate, a connecting plate, a protective shell, a fan and a heat sink, the mounting plate is installed on one side of the outer shell, a connecting plate is installed on one side of the mounting plate, a protective shell is installed on one side of the connecting plate, a fan is installed at one end of the protective shell, and the protective shell protects the fan.

[0014] Preferably, a snap-fit ​​groove is provided at one end of the protective shell, and a snap-fit ​​block is provided inside the fan, so that the protective shell and the fan form a snap-fit ​​structure, and the snap-fit ​​structure is easy to disassemble.

[0015] Preferably, a heat sink is installed at the bottom end of the fan, and the heat sink is arranged at equal intervals at the bottom end of the fan to dissipate heat inside the sensor.

[0016] Preferably, the telescopic structure includes a joint, a first connecting pipe, a second connecting pipe and a screw. The joint is installed on one side of the protective structure. The first connecting pipe is installed on one side of the joint, the second connecting pipe is installed on one side of the first connecting pipe, and a screw is installed at one end of the first connecting pipe to adjust the length of the connecting pipe.

[0017] Preferably, a slide groove is provided inside the first connecting pipe, a slider is provided at one end of the second connecting pipe, the first connecting pipe and the second plunger connecting pipe form a sliding structure, and the first connecting pipe can slide inside the second connecting pipe.

[0018] Preferably, the outer side wall of the screw is provided with an external thread, the inner side wall of the first connecting pipe is provided with an internal thread, the screw and the first connecting pipe form a threaded connection, and the connecting pipe can be fixed by tightening the screw.

[0019] The transformer insulating oil micro-water monitoring sensor provided by the utility model has the advantages that: the fan is fixedly connected to the connecting plate through the mounting plate, and the airflow is generated by the high-speed rotation of the fan to blow away the internal hot air, thereby realizing the cooling of the sensor. At the same time, a heat sink is installed at the bottom end of the fan, and heat dissipation holes are installed inside the heat sink. The heat sink is made of a metal material with strong thermal conductivity. The heat sink can absorb heat, and then due to the large surface area of ​​the heat sink, the heat can be quickly dissipated, thereby achieving the purpose of heat dissipation of the sensor by the transformer insulating oil micro-water monitoring sensor;

[0020] By installing a wear-resistant plate and a sealing strip at one end of the shell, the sealing strip can form a reliable and complete sealing layer between the connection points or internal components of the sensor to prevent external impurities, water vapor, dust and other substances from entering the sensor and causing damage to it. In addition, the wear-resistant plate and the sealing strip have certain wear-resistant characteristics, so that the shell is not easy to fall off and deform. At the same time, the damping block also buffers the external damage again to improve the protection effect, so as to achieve the purpose of sealing and protecting the sensor of the transformer insulating oil micro-water monitoring sensor;

[0021] By installing joints on both sides of the shell, a first pipe and a second pipe are installed on one side of the joint, a screw is installed at one end of the first pipe, and the screw and the first pipe column form a threaded connection, so that the second pipe can slide in the first pipe. When the second pipe is extended to a suitable position, the second pipe can be fixed by tightening the screws on both sides, thereby adapting to the requirements of different types of water monitoring sensor pipes, thereby achieving the purpose of adjusting the length of the sensor pipe of a transformer insulating oil micro-water monitoring sensor to the sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0023] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0024] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure of the local section at point A in the middle;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the telescopic structure of the utility model;

[0026] Figure 5 It is a schematic diagram of a partial cross-sectional structure of the protective structure of the utility model.

[0027] Explanation of the reference numerals in the figure: 1. outer shell; 2. protective structure; 201. sealing strip; 202. wear-resistant plate; 203. damping block; 204. wear-resistant pattern; 3. heat dissipation structure; 301. mounting plate; 302. connecting plate; 303. protective shell; 304. fan; 305. heat sink; 4. telescopic structure; 401. joint; 402. first connecting pipe; 403. second connecting pipe; 404. screw; 5. mounting block; 6. plug; 7. connecting block; 8. shell; 9. mounting seat; 10. permanent magnet. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-Figure 5 The utility model provides an embodiment: a transformer insulating oil micro-water monitoring sensor, comprising a housing 1.

[0030] A protective structure 2 is installed on one side of the shell 1, and the protective structure 2 includes a sealing strip 201, a wear-resistant plate 202, a damping block 203 and a wear-resistant groove 204. The sealing strip 201 is installed on one side of the shell 1, and the damping block 203 is installed on one side of the sealing strip 201. The top of the wear-resistant plate 202 is installed with a wear-resistant groove 204. The wear-resistant plates 202 are arranged at equal intervals on one side of the sealing strip 201, and the wear-resistant plates 202 are symmetrically distributed about the vertical center line at both ends of the permanent magnet 10.

[0031] Please refer to the attached Figure 1-2As shown, by installing a wear-resistant plate 202 and a sealing strip 201 at one end of the housing 1, the sealing strip 201 can form a reliable and complete sealing layer between the connection points of the sensor or the internal components to prevent external impurities, water vapor, dust and other substances from entering the interior of the sensor and causing damage to it. In addition, the wear-resistant plate 202 and the sealing strip 201 have certain wear-resistant characteristics, so that the housing 1 is not easy to fall off and deform. At the same time, the damping block 203 also buffers the external damage again to improve the protection effect.

[0032] A heat dissipation structure 3 is installed at the top of the shell 1, and the heat dissipation structure 3 includes a mounting plate 301, a connecting plate 302, a protective shell 303, a fan 304 and a heat sink 305. The mounting plate 301 is installed on one side of the shell 1, and a connecting plate 302 is installed on one side of the mounting plate 301, and a protective shell 303 is installed on one side of the connecting plate 302. A snap-fit ​​groove is provided at one end of the protective shell 303, and a snap-fit ​​block is provided inside the fan 304. The protective shell 303 and the fan 304 form a snap-fit ​​structure, and a heat sink 305 is installed at the bottom end of the fan 304. The heat sink 305 is arranged at equal intervals at the bottom end of the fan 304, and the fan 304 is installed at one end of the protective shell 303.

[0033] Please refer to the attached Figure 1 and attached Figure 3 As shown, the fan 304 is fixedly connected to the connecting plate 302 through the mounting plate 301, and the high-speed rotation of the fan 304 generates an airflow to blow away the internal hot air, thereby cooling the inside of the sensor. At the same time, a heat sink 305 is installed at the bottom end of the fan 304, and heat dissipation holes are installed inside the heat sink 305. The heat sink 305 is made of a metal material with strong thermal conductivity. The heat sink 305 can absorb heat, and then due to the large surface area of ​​the heat sink 305, the heat can be quickly dissipated.

[0034] A permanent magnet 10 is installed at the top of the heat dissipation structure 3, and a telescopic structure 4 is installed on one side of the protective structure 2. The telescopic structure 4 includes a joint 401, a first pipe 402, a second pipe 403 and a screw 404. The joint 401 is installed on one side of the protective structure 2, and a first pipe 402 is installed on one side of the joint 401. A sliding groove is arranged inside the first pipe 402, and a slider is arranged at one end of the second pipe 403. The first pipe 402 and the second plunger and the second pipe 403 constitute a sliding structure.

[0035] A second connecting pipe 403 is installed on one side of the first connecting pipe 402, a screw 404 is installed at one end of the first connecting pipe 402, an outer wall of the screw 404 is provided with an external thread, an inner wall of the first connecting pipe 402 is provided with an internal thread, the screw 404 and the first connecting pipe 402 form a threaded connection, and a mounting block 5 is installed at one end of the outer shell 1.

[0036] Please refer to the attached Figure 1 and Figure 4 As shown, by installing the connector 401, a first connecting pipe 402 and a second connecting pipe 403 are installed on one side of the connector 401, a screw 404 is installed on one end of the first connecting pipe 402, and the screw 404 and the first connecting pipe 402 column form a threaded connection, so that the second connecting pipe 403 can slide in the first connecting pipe 402. When the second connecting pipe 403 is extended to a suitable position, the second connecting pipe 403 can be fixed by tightening the screws 404 on both sides, thereby meeting the requirements of different types of water monitoring for sensor connecting pipes.

[0037] A mounting seat 9 is mounted on the top of the permanent magnet 10 , and a housing 8 is mounted on the top of the mounting seat 9 .

[0038] A connection block 7 is installed at the top of the housing 8 , and a plug 6 is installed at the top of the connection block 7 .

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A transformer insulating oil moisture monitoring sensor, comprising a housing (1); Features: A protective structure (2) is installed on one side of the housing (1), the protective structure (2) comprising a sealing strip (201), a wear-resistant plate (202), a damping block (203) and a wear-resistant groove (204), the sealing strip (201) is installed on one side of the housing (1), a heat dissipation structure (3) is installed on the top of the housing (1), a permanent magnet (10) is installed on the top of the heat dissipation structure (3), a telescopic structure (4) is installed on one side of the protective structure (2), and a mounting block (5) is installed on one end of the housing (1); A mounting seat (9) is mounted on the top of the permanent magnet (10), and a housing (8) is mounted on the top of the mounting seat (9); A connection block (7) is installed at the top end of the shell (8), and a plug (6) is installed at the top end of the connection block (7).

2. A transformer insulating oil micro-water monitoring sensor according to claim 1, characterized in that: A damping block (203) is installed on one side of the sealing strip (201), and a wear-resistant groove (204) is installed on the top of the wear-resistant plate (202).

3. A transformer insulating oil moisture monitoring sensor according to claim 1, characterized in that: The wear-resistant plates (202) are arranged at equal intervals on one side of the sealing strip (201), and the wear-resistant plates (202) are symmetrically distributed about the vertical center line at two ends of the permanent magnet (10).

4. A transformer insulating oil moisture monitoring sensor according to claim 1, characterized in that: The heat dissipation structure (3) comprises a mounting plate (301), a connecting plate (302), a protective shell (303), a fan (304) and a heat sink (305); the mounting plate (301) is mounted on one side of the housing (1); the connecting plate (302) is mounted on one side of the mounting plate (301); the protective shell (303) is mounted on one side of the connecting plate (302); and the fan (304) is mounted on one end of the protective shell (303).

5. A transformer insulating oil moisture monitoring sensor according to claim 4, characterized in that: A snap-fit ​​groove is provided at one end of the protective shell (303), a snap-fit ​​block is provided inside the fan (304), and the protective shell (303) and the fan (304) form a snap-fit ​​structure.

6. A transformer insulating oil moisture monitoring sensor according to claim 4, characterized in that: A heat sink (305) is installed at the bottom end of the fan (304), and the heat sink (305) is arranged at equal intervals at the bottom end of the fan (304).

7. The transformer insulating oil moisture monitoring sensor according to claim 1, characterized in that: The telescopic structure (4) comprises a joint (401), a first connecting pipe (402), a second connecting pipe (403) and a screw (404); the joint (401) is installed on one side of the protective structure (2); the first connecting pipe (402) is installed on one side of the joint (401); the second connecting pipe (403) is installed on one side of the first connecting pipe (402); and the screw (404) is installed on one end of the first connecting pipe (402).

8. A transformer insulating oil moisture monitoring sensor according to claim 7, characterized in that: A sliding groove is arranged inside the first connecting pipe (402), a sliding block is arranged at one end of the second connecting pipe (403), and the first connecting pipe (402) and the second plunger connecting pipe (403) form a sliding structure.

9. The transformer insulating oil moisture monitoring sensor according to claim 7, characterized in that: The outer wall of the screw (404) is provided with an external thread, and the inner wall of the first connecting pipe (402) is provided with an internal thread, so that the screw (404) and the first connecting pipe (402) form a threaded connection.

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