Transformer partial discharge sensor mounting mechanism
By designing an installation mechanism in the transformer including sensor equipment, protective sleeves, transmission rods, screws, fixing rings, sealing gaskets, connecting sleeves, protective tubes and anti-interference antennas, the problem that the built-in local discharge sensor of the transformer is difficult to prevent electromagnetic interference, achieving more accurate data acquisition and longer service life.
Patent Information
- Application Number
- CN202421886467.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The built-in local discharge sensor of existing transformers is difficult to prevent electromagnetic interference, resulting in inaccurate detection signals and error in sensor data acquisition.
A transformer partial discharge sensor installation mechanism is designed, including sensor equipment, protective sleeves, transmission rods, screws, fixing rings, sealing gaskets, connecting sleeves, protective tubes and anti-interference antennas. Through the use of these components, the sensing device is installed inside the transformer body and fixed to the transformer through the screws. The anti-interference antenna can resist general interference and ensure the accuracy of data transmission.
Effectively resist electromagnetic interference, improve the data acquisition accuracy of sensors, extend the service life of the sensor, and improve the detection capability of transformers.
Smart Images

Figure CN223022192U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a sensor installation mechanism, specifically a transformer partial discharge sensor installation mechanism, belonging to the technical field of transformers. Background Technique
[0002] Transformers are basic power transmission and distribution equipment, widely used in industries, agriculture, transportation, urban communities and other fields. There are about 17 million transformers in operation in China, with a total capacity of about 11 billion kVA. Transformer losses account for about 40% of the power losses in power transmission and distribution, and there is great potential for energy conservation. To accelerate the popularization and application of high-efficiency energy-saving transformers, improve the utilization efficiency of energy resources, and promote green, low-carbon and high-quality development.
[0003] After retrieval, a transformer built-in partial discharge sensor disclosed in Chinese Patent with the publication number CN218826466U includes a mounting flange, a connector cover, a sensor cover and a discharge sensor. An installation ring is arranged on the outer circle of the discharge sensor. Under the normal operation state of the non-oil-extracting transformer, the above operations are completed. The sensor cover and the discharge sensor are separately connected to the mounting flange, and the sensor cover can also seal the oil in the transformer, and it is not easy to leak, which can protect the discharge sensor and avoid direct exposure to the outside, and extend the service life of the discharge sensor.
[0004] Although the above patent can protect the discharge sensor and avoid direct exposure to the outside, extending the service life of the discharge sensor, the discharge sensor in the above patent is difficult to prevent electromagnetic interference, and it is easy to have inaccurate detection signals during use, resulting in errors in the data acquisition of the sensor. Therefore, we provide a transformer partial discharge sensor installation mechanism to solve the above problems. Summary of the Invention
[0005] The purpose of the utility model is to provide a transformer partial discharge sensor installation mechanism to solve the problem of difficult prevention of electromagnetic interference in the prior art.
[0006] The utility model is realized through the following technical solutions: A transformer partial discharge sensor installation mechanism includes a transformer body, and a sensing device is arranged inside the transformer body. The sensing device includes a sensor device. The middle of one end of the sensor device is fixedly connected to one end of a transmission rod. The other end of the transmission rod is fixedly connected to one end of a processor device. The other end of the processor device is fixedly connected to one end of an anti-interference antenna. One end of the sensor device is fixedly connected to one end of a protective sleeve. The other end of the protective sleeve is fixedly connected to one side of a fixing ring.
[0007] Preferably, one side of the transformer body is threadedly connected to a screw rod. The outer circumferential surface of the screw rod is rotatably connected to one side of a fixed ring. One side of the fixed ring is fixedly connected to one side of a gasket, so that the sensor can be fixed on the transformer for detecting the transformer.
[0008] Preferably, the other side of the fixed ring is fixedly connected to one end of a connecting sleeve. A third groove is formed inside the connecting sleeve, which plays a protective role to prevent damage to the inside of the sensor.
[0009] Preferably, the other end of the connecting sleeve is fixedly connected to one side of a first fixing plate. The other side of the first fixing plate is fixedly connected to one end of a fixing rod. The other end of the fixing rod is slidably connected to one side of a second fixing plate, which can fix the position of the antenna to prevent the antenna from breaking.
[0010] Preferably, the middle of the other side of the first fixing plate is fixedly connected to one end of a protective tube. The other end of the protective tube is threadedly connected to a sealing cover. One side of the sealing cover is fixedly connected to one side of the second fixing plate, which protects the connection part of the antenna to prevent rainwater from entering and damaging the sensor.
[0011] Preferably, a first groove is formed inside the protective tube. The surface of the first groove is fixedly connected to one end of a slider, which fixes the processor to prevent it from loosening during long-term operation.
[0012] Preferably, a sliding groove is formed on the outer circumferential surface of the processor device. The surface of the slider is slidably connected to the inside of the sliding groove, which fixes the processor and effectively prevents the processor from sliding.
[0013] Preferably, the lower surface of the transformer body is fixedly connected to the upper surface of a base. A second groove is provided inside the protective sleeve, which supports and fixes the transformer, plays a supporting role, and protects the transmission rod through the protective sleeve.
[0014] The present utility model provides an installation mechanism for a partial discharge sensor of a transformer, and the beneficial effects thereof are as follows:
[0015] 1. Through the coordinated use of the sensor device, the protective sleeve, the transmission rod, the screw rod, the fixed ring, the gasket, the connecting sleeve, the protective tube and the anti-interference antenna, the sensing device is installed inside the transformer body and fixed on the transformer through the screw rod. When the transformer discharges, the sensor device will sense it and transmit the situation to the control center so that the staff can observe the situation of the transformer in time. The anti-interference antenna can resist general interference and facilitate data transmission.
[0016] 2. The installation mechanism of the discharge sensor uses a protective sleeve, a connecting sleeve, a protective tube, a second fixing plate, and a fixing rod in combination. The protective sleeve protects the internal transmission rod to prevent damage to the transmission rod inside the transformer body. The connecting sleeve and the protective tube can protect the connection between the transmission rod and the processor device to prevent disconnection during long-term use, and has a good fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic perspective view of the overall three-dimensional structure of the present utility model;
[0018] Figure 2 is a schematic perspective view of the sensing device of the present utility model;
[0019] Figure 3 is a schematic perspective sectional view of the sensing device of the present utility model;
[0020] Figure 4 is a schematic perspective sectional view of the protective tube of the present utility model;
[0021] Figure 5 is a schematic perspective view of the protective sleeve of the present utility model.
[0022]
SYMBOLS OF MAIN COMPONENTS
[0023] 1. Transformer body;
[0024] 2. Sensing device; 201. Sensor device; 202. Protective sleeve; 203. Sealing gasket; 204. Fixed ring; 205. Screw; 206. Connecting sleeve; 207. First fixing plate; 208. Protective tube; 209. Fixing rod; 210. Sealing cover; 211. Anti-interference antenna; 212. Second fixing plate; 213. Transmission rod;
[0025] 3. Base; 4. Chute; 5. Slide block; 6. Processor device; 7. First groove; 8. Second groove; 9. Third groove. DETAILED IMPLEMENTATION MANNER
[0026] The embodiment of the present utility model provides an installation mechanism for a transformer partial discharge sensor.
[0027] Please refer to Figure 3 , which includes a transformer body 1. The lower surface of the transformer body 1 is fixedly connected to the upper surface of the base 3. A second groove 8 is provided inside the protective sleeve 202. The base 3 supports the transformer body 1 to fix the transformer body 1. The second groove 8 provided inside the protective sleeve 202 can protect the transmission rod 213. One side of the transformer body 1 is threadedly connected to a screw 205, and the outer circumferential surface of the screw 205 is rotatably connected to one side of a fixed ring 204.
[0028] Please refer to Figure 4 , the other side of the fixing ring 204 is fixedly connected to one end of the connecting sleeve 206, the other end of the connecting sleeve 206 is fixedly connected to one side of the first fixing plate 207, the middle part of the other side of the first fixing plate 207 is fixedly connected to one end of the protective tube 208, a first groove 7 is formed inside the protective tube 208, and the surface of the first groove 7 is fixedly connected to one end of the slider 5. The protective tube 208 is sleeved on the processor device 6, and the slider 5 is stuck in the chute 4 on the processor device 6 to fix the processor device 6, playing a fixing role.
[0029] Please refer to Figure 5 , the other end of the protective tube 208 is threadedly connected to the sealing cover 210, and one side of the sealing cover 210 is fixedly connected to one side of the second fixing plate 212. After the protective tube 208 is sleeved on the processor device 6, by screwing the sealing cover 210 onto the thread at the protective tube 208, the inside of the protective tube 208 is protected, playing a role in protecting the connection of the anti-interference antenna 211. The protective tube 208 and the sealing cover 210 are fixed by the second fixing plate 212. One side of the other side of the first fixing plate 207 is fixedly connected to one end of the fixing rod 209, and the other end of the fixing rod 209 is slidably connected to one side of the second fixing plate 212, which is convenient for protecting the connection part of the transmission rod 213 and can also fix the device on the transformer body 1 to detect the transformer body 1.
[0030] Please refer to Figure 1 , a third groove 9 is formed inside the connecting sleeve 206. The fixing ring 204 can be fixed on the transformer body 1 through the screw 205, so that the sensing device 2 can be fixed on the transformer body 1. When the transformer body 1 discharges, it is detected by the sensor device 201. The setting of the third groove 9 facilitates the installation of the transmission rod 213. One side of the fixing ring 204 is fixedly connected to one side of the sealing gasket 203. The sealing gasket 203 can seal the connection part between the transformer body 1 and the fixing ring 204, preventing rainwater from entering the inside of the transformer body 1 through the joint of the fixing ring 204 and damaging the transformer body 1. Fixing the fixing ring 204 on the transformer body 1 through bolts enables the sensing device 2 to be used for a long time.
[0031] Please refer to Figure 2, a sensing device 2 is arranged inside the transformer body 1. The sensing device 2 includes a sensor device 201. The middle of one end of the sensor device 201 is fixedly connected to one end of a transmission rod 213. The other end of the transmission rod 213 is fixedly connected to one end of a processor device 6. A sliding groove 4 is formed on the outer circumferential surface of the processor device 6. The surface of a slider 5 is slidably connected to the inside of the sliding groove 4. The processor device 6 is placed in a protective tube 208. The slider 5 on the protective tube 208 corresponding to the sliding groove 4 on the processor device 6 can make the processor device 6 stable. After the signal received by the sensor device 201 is transmitted to the processor device 6, it is remotely transmitted through an anti-interference antenna 211. The protective tube 208 can also protect the processor device 6.
[0032] The other end of the processor device 6 is fixedly connected to one end of the anti-interference antenna 211. One end of the sensor device 201 is fixedly connected to one end of a protective sleeve 202. The other end of the protective sleeve 202 is fixedly connected to one side of a fixing ring 204. The sensor device 201 is placed inside the transformer body 1. The sensing device 2 is fixed on the transformer body 1 through a screw 205. When the sensor device 201 receives the signal of the discharge of the transformer body 1, the signal is transmitted to the processor device 6 through the transmission rod 213 for processing, and then the signal is remotely transmitted through the anti-interference antenna 211. The anti-interference antenna 211 has a certain anti-interference ability and can resist the interference of the transformer body 1 itself, and has strong transmission ability.
[0033] Working principle: The base 3 supports the transformer body 1, enabling the transformer body 1 to be used for a long time. The sensing device 2 is fixed on the transformer body 1 through the fixing ring 204, and the gasket 203 is used to seal the gap between the fixing ring 204 and the transformer body 1, preventing rainwater from entering the interior of the transformer body 1 through the gap between the fixing ring 204 and the transformer body 1 and causing damage to the transformer body 1. The protective sleeve 202 is fixed inside the connecting sleeve 206, and the transmission rod 213 passes through the second groove 8 inside the protective sleeve 202 and is connected to the processor device 6. When the sealing cover 210 receives a signal, the signal is transmitted to the processor device 6 through the transmission rod 213, and then the data is remotely transmitted through the anti-interference antenna 211 on the processor device 6. The processor device 6 is placed inside the protective tube 208, and the slider 5 inside the protective tube 208 corresponds to the chute 4 on the processor device 6 to prevent the processor device 6 from rotating inside the protective tube 208 and causing a break at the connection, and it can also fix the processor device 6. By screwing the sealing cover 210 onto the thread of the protective tube 208, the protective tube 208 is sealed, and then the protective tube 208 and the sealing cover 210 are fixed by the second fixing plate 212 and the fixing rod 209 to prevent shaking during long-term use and causing the anti-interference antenna 211 to be bent and unable to transmit signals. The anti-interference antenna 211 has a certain anti-interference ability and can resist the interference generated on the transformer body 1, solving the electromagnetic interference and being beneficial to improving the sensing ability of the sensing device 2.
[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.
Claims
1. A transformer partial discharge sensor mounting mechanism, comprising a transformer body (1), characterized in that: A sensor device (2) is arranged inside the transformer body (1), and the sensor device (2) comprises a sensor device (201), wherein a middle portion of one end of the sensor device (201) is fixedly connected to one end of a transmission rod (213), the other end of the transmission rod (213) is fixedly connected to one end of a processor device (6), the other end of the processor device (6) is fixedly connected to one end of an anti-interference antenna (211), one end of the sensor device (201) is fixedly connected to one end of a protective sleeve (202), and the other end of the protective sleeve (202) is fixedly connected to one side of a fixing ring (204).
2. The transformer partial discharge sensor installation mechanism according to claim 1, characterized in that: One side of the transformer body (1) is threadedly connected to the screw rod (205), the outer cylindrical surface of the screw rod (205) is rotationally connected to one side of the fixing ring (204), and one side of the fixing ring (204) is fixedly connected to one side of the sealing gasket (203).
3. The transformer partial discharge sensor installation mechanism according to claim 2, characterized in that: The other side of the fixing ring (204) is fixedly connected to one end of a connecting sleeve (206), and a third groove (9) is provided inside the connecting sleeve (206).
4. The transformer partial discharge sensor installation mechanism according to claim 3, characterized in that: The other end of the connecting sleeve (206) is fixedly connected to one side of the first fixing plate (207), the other side of the first fixing plate (207) is fixedly connected to one end of the fixing rod (209), and the other end of the fixing rod (209) is slidably connected to one side of the second fixing plate (212).
5. The transformer partial discharge sensor installation mechanism according to claim 4, characterized in that: The middle portion of the other side of the first fixing plate (207) is fixedly connected to one end of the protection tube (208), the other end of the protection tube (208) is threadedly connected to the sealing cover (210), and one side of the sealing cover (210) is fixedly connected to one side of the second fixing plate (212).
6. The transformer partial discharge sensor installation mechanism according to claim 5, characterized in that: A first groove (7) is provided inside the protection tube (208), and a surface of the first groove (7) is fixedly connected to one end of the sliding block (5).
7. The transformer partial discharge sensor installation mechanism according to claim 1, characterized in that: The outer circular surface of the processor device (6) is provided with a slide groove (4), and the interior of the slide groove (4) is slidably connected to the surface of the slider (5).
8. The transformer partial discharge sensor installation mechanism according to claim 1, characterized in that: The lower surface of the transformer body (1) is fixedly connected to the upper surface of the base (3), and a second groove (8) is provided inside the protective sleeve (202).
Citation Information
Patent Citations
A transformer-embedded partial discharge sensor
CN218826466U