CN221175944U - Transformer bushing with optical fiber temperature measuring system - Google Patents
Transformer bushing with optical fiber temperature measuring system Download PDFInfo
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- CN221175944U CN221175944U CN202323129825.7U CN202323129825U CN221175944U CN 221175944 U CN221175944 U CN 221175944U CN 202323129825 U CN202323129825 U CN 202323129825U CN 221175944 U CN221175944 U CN 221175944U
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- optical fiber
- sleeve
- transformer bushing
- transformer
- measurement system
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 104
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a transformer bushing with an optical fiber temperature measurement system, which comprises a transformer bushing and an optical fiber temperature measurement system, wherein the transformer bushing comprises an air side equalizing ring, a conductive pipe, an insulating filler, an optical fiber bushing, a capacitor core body and a mounting flange, the air side equalizing ring is positioned at the top of the optical fiber bushing, and the conductive pipe is arranged in the optical fiber bushing and is provided with an opening at the top for outgoing of optical fibers; the capacitor core is arranged between the conductive tube and the optical fiber sleeve, and an insulating filler is filled between the capacitor core and the optical fiber sleeve; the mounting flange is connected with the capacitor core body; the oil end shield is positioned at the bottom end of the optical fiber sleeve; the optical fiber temperature measuring system comprises an optical fiber temperature measuring instrument, data acquisition equipment, a monitoring platform and an optical fiber temperature sensor, and is used for displaying temperature in real time and predicting temperature change trend. The utility model has good electromagnetic interference resistance and stability, can find out the hidden trouble of the existing fault in time, take measures to repair in advance, have greatly improved the operation and maintenance efficiency.
Description
Technical Field
The utility model relates to a transformer bushing with an optical fiber temperature measurement system, and belongs to the technical field of transformers.
Background
The transformer bushing is used as a current carrying conductor for leading out transformer current and is used for insulating and sealing the transformer oil tank shell and is used for a converter transformer in a high-voltage system. The transformer bushing is influenced by complex working conditions such as an electric field, a thermal field, mechanical stress and the like for a long time, and as the conveying capacity is larger, the problem of the overheating condition of the bushing is more and more serious, if the bushing cannot be effectively monitored, the inside of a product can be overheated, and thus insulation aging and even thermal breakdown are caused to influence the operation of the transformer. The transformer bushing is in under conditions such as high altitude, high pressure when the operation, traditional monitoring method to high voltage insulation bushing temperature rise is through fortune check personnel periodic inspection, is difficult to accomplish real-time supervision, and can not in time discover to the sleeve pipe appearance is unusual, simultaneously, the inside temperature variation of sleeve pipe hardly detects.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the transformer bushing with the optical fiber temperature measurement system, which monitors the running state of the bushing in real time, discovers possible fault hidden danger in time and ensures the stable running of equipment.
In order to solve the technical problem, the utility model provides a transformer bushing with an optical fiber temperature measurement system, which comprises a transformer bushing and an optical fiber temperature measurement system, wherein the transformer bushing comprises an air side equalizing ring, a conductive pipe, an insulating filler, an optical fiber bushing, a capacitor core body and a mounting flange, the air side equalizing ring is positioned at the top of the optical fiber bushing for equalizing voltage, the conductive pipe is arranged in the optical fiber bushing, and one or more holes are formed in the top of the conductive pipe for outgoing optical fiber; the capacitor core is arranged between the conductive tube and the optical fiber sleeve, and an insulating filler is filled between the capacitor core and the optical fiber sleeve; the mounting flange is connected with the capacitor core body through epoxy glue; the bottom end of the optical fiber sleeve is provided with an oil end shield, so that the equalizing effect is achieved; the optical fiber temperature measuring system comprises an optical fiber temperature measuring instrument, data acquisition equipment, a monitoring platform, an optical fiber temperature sensor and an optical fiber sleeve, wherein the optical fiber temperature measuring instrument is arranged on a mounting flange and is connected with the data acquisition equipment and the monitoring platform, and is used for storing and recording the running temperature and current-carrying capacity running information of the transformer sleeve, displaying the temperature in real time, predicting the temperature change trend, and realizing temperature early warning and alarming.
The top of optical fiber sleeve pipe and electrically conductive pipe is equipped with and will armful cap, is equipped with the fiber groove that is used for the optic fibre to pass with armful cap its inside, fills the blotter in the fiber groove for protection optic fibre.
The conductive tube is provided with one or more holes at the position of the armcap optical fiber groove, and the optical fiber temperature sensor penetrates into the sleeve core body through the holes.
The insulating filler is solid insulating material or insulating gas or liquid insulating paste.
The optical fiber sleeve is a composite insulating optical fiber sleeve and is used as an external insulating part of a transformer sleeve and a transmission part of an optical fiber temperature measuring system.
The capacitor core body is insulated by electric power insulating crepe paper impregnated epoxy resin or glass fiber impregnated epoxy resin.
The optical fiber thermometer consists of a laser emitter, a filter, a photoelectric conversion module and a signal acquisition and processing unit, and acquires, processes and transmits the cable running temperature information in real time according to the type matching of the optical fiber temperature sensor.
The data acquisition equipment and the monitoring platform are provided with remote monitoring and alarm systems, so that the running state of the equipment can be monitored in real time, and the state of the equipment can be monitored and managed.
The optical fiber temperature sensor is a fluorescent optical fiber temperature sensor, is embedded in the conductive tube, and positions and quantity of temperature measuring points are set according to actual requirements.
The transformer bushing is a capacitive alternating current transformer bushing or a capacitive direct current transformer bushing.
The beneficial effects are that: the transformer bushing with the optical fiber temperature measurement system can monitor the running state of the bushing in real time, discover possible fault hidden dangers in time, and take measures in advance for repairing. The temperature measurement system adopts an advanced optical fiber sensing technology, has good electromagnetic interference resistance and stability, can stably run for a long time, is provided with a remote monitoring and alarming system, can monitor and manage the state of equipment at any time and any place, and greatly improves the operation and maintenance efficiency; the optical fiber temperature sensor integrates sensing and transmission, can realize remote measurement and monitoring, and has the characteristics of high precision, electromagnetic interference resistance, suitability for remote transmission and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is an enlarged view of section i of fig. 1 in accordance with the present utility model.
In the figure: 1. an air side equalizing ring; 2. army caps; 3. a cushion pad; 4. a conductive tube; 5. an insulating filler; 6. an optical fiber ferrule; 7. a capacitor core; 8. an optical fiber thermometer; 9. the data acquisition equipment and the monitoring platform; 10. a mounting flange; 11. an optical fiber temperature sensor; 12. and the oil end is shielded.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the utility model provides a transformer bushing with an optical fiber temperature measurement system, which comprises a transformer bushing and an optical fiber temperature measurement system, wherein the transformer bushing comprises an air side equalizing ring 1, a conducting tube 4, an insulating filler 5, an optical fiber bushing 6, a capacitor core 7 and a mounting flange 10, the air side equalizing ring 1 is positioned at the top of the optical fiber bushing 6 for equalizing voltage, the conducting tube 4 is arranged in the optical fiber bushing 6, and one or more holes are formed in the top of the conducting tube for outgoing optical fibers; the capacitor core 7 is arranged between the conductive tube 4 and the optical fiber sleeve 6, and an insulating filler 5 is filled between the capacitor core 7 and the optical fiber sleeve 6; the mounting flange 10 is connected with the capacitor core 7 through epoxy glue; the bottom end of the optical fiber sleeve 6 is provided with an oil end shield 12 for equalizing pressure; the optical fiber temperature measuring system comprises an optical fiber temperature measuring instrument 8, data acquisition equipment, a monitoring platform 9, an optical fiber temperature sensor 11 and an optical fiber sleeve 6, wherein the optical fiber sleeve 6 is a shared component of a transformer sleeve and the optical fiber temperature measuring system; the optical fiber thermometer 8 is arranged on the mounting flange 10, is connected with the data acquisition equipment and the monitoring platform 9, stores and records the running temperature and the current-carrying capacity running information of the transformer bushing, displays the temperature in real time, predicts the temperature change trend, and realizes temperature early warning and alarming.
The top of optical fiber sleeve 6 and electrically conductive pipe 4 is equipped with and will armful cap 2, is equipped with the fiber groove that is used for the optic fibre to pass with armful cap 2 its inside, fills blotter 3 in the fiber groove for protection optic fibre, avoids tensile, bending and torsion strain to influence optic fibre life.
The conductive tube 4 is provided with one or more holes at the position of the optical fiber groove of the armcap 2, and is used for penetrating the optical fiber temperature sensor 11 into the sleeve core body, and the chamfering treatment of the hole edge avoids scratch and cuts off the optical fiber.
The insulating filler 5 is solid insulating material or insulating gas or liquid insulating paste, and auxiliary insulating function is achieved between the main insulation of the filling core body and the optical fiber sleeve.
The optical fiber sleeve 6 is a composite insulating optical fiber sleeve and is used as an external insulating part of a transformer sleeve and a transmission part of an optical fiber temperature measuring system.
The capacitor core 7 is insulated by electric power insulating crepe paper impregnated epoxy resin or glass fiber impregnated epoxy resin; the electric conductor is formed by winding electric insulating crepe paper and aluminum foil on an electric conductor according to a preset program size and vacuum impregnating and curing the electric conductor by epoxy resin.
The optical fiber thermometer 8 is composed of a laser emitter, a filter, a photoelectric conversion module and a signal acquisition and processing unit, is matched according to the type of the optical fiber temperature sensor 11, and is free from interference of electricity, magnetism, radio frequency and microwaves, and the information of the operation temperature of the cable is acquired, processed and transmitted in real time.
The data acquisition equipment and the monitoring platform 9 are provided with remote monitoring and alarm systems, so that the running state of the equipment can be monitored in real time, and the state of the equipment can be monitored and managed.
The optical fiber temperature sensor 11 is a fluorescent optical fiber temperature sensor, is pre-buried in the conductive tube 4, and the positions and the number of the temperature measuring points are set according to actual requirements, and the configuration principle is as follows: the sleeve core has dense middle part and sparse end part; the optical fiber temperature sensor 11 is a phase modulation type optical fiber temperature sensor, a heat radiation optical fiber temperature sensor, or a transmission type optical fiber temperature sensor.
The transformer bushing is a capacitive alternating current transformer bushing or a capacitive direct current transformer bushing.
The transformer bushing with the optical fiber temperature measurement system can monitor the running state of the bushing in real time, discover possible fault hidden dangers in time, and take measures in advance for repairing. The temperature measurement system adopts an advanced optical fiber sensing technology, has good electromagnetic interference resistance and stability, can stably run for a long time, is provided with a remote monitoring and alarming system, can monitor and manage the state of equipment at any time and any place, and greatly improves the operation and maintenance efficiency; the optical fiber temperature sensor integrates sensing and transmission, can realize remote measurement and monitoring, and has the characteristics of high precision, electromagnetic interference resistance, suitability for remote transmission and the like.
The above-described embodiments of the utility model are intended to be examples only, and not to be limiting, and all changes that come within the scope of the utility model or equivalents thereto are intended to be embraced thereby.
Claims (10)
1. The transformer bushing with the optical fiber temperature measurement system is characterized in that: the transformer comprises a transformer sleeve and an optical fiber temperature measurement system, wherein the transformer sleeve comprises an air side equalizing ring (1), a conductive pipe (4), an insulating filler (5), an optical fiber sleeve (6), a capacitor core body (7) and a mounting flange (10), the air side equalizing ring (1) is positioned at the top of the optical fiber sleeve (6) to perform the function of equalizing voltage, and the conductive pipe (4) is arranged in the optical fiber sleeve (6) and is provided with one or more holes at the top for outgoing optical fibers; the capacitor core body (7) is arranged between the conductive tube (4) and the optical fiber sleeve (6), and an insulating filler (5) is filled between the capacitor core body (7) and the optical fiber sleeve (6); the mounting flange (10) is connected with the capacitor core body (7) through epoxy glue; the bottom end of the optical fiber sleeve (6) is provided with an oil end shield (12) for equalizing pressure; the optical fiber temperature measuring system comprises an optical fiber temperature measuring instrument (8), data acquisition equipment, a monitoring platform (9), an optical fiber temperature sensor (11) and an optical fiber sleeve (6), wherein the optical fiber temperature measuring instrument (8) is arranged on a mounting flange (10) and is connected with the data acquisition equipment and the monitoring platform (9), the running temperature and the current-carrying capacity running information of the transformer sleeve are stored and recorded, the temperature is displayed in real time, the temperature change trend is predicted, and the temperature early warning and the alarm are realized.
2. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the top of fiber sleeve pipe (6) and electrically conductive pipe (4) is equipped with will armful cap (2), is equipped with the fiber channel that is used for the optic fibre to pass in will armful cap (2), fills blotter (3) in the fiber channel for protection optic fibre.
3. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the conductive tube (4) is provided with one or more holes at the position of the optical fiber groove of the armcap (2), and the optical fiber temperature sensor (11) penetrates into the sleeve core body through the holes.
4. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the insulating filler (5) is a solid insulating material or insulating gas or liquid insulating paste.
5. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the optical fiber sleeve (6) is a composite insulating optical fiber sleeve and is used as an external insulating part of a transformer sleeve and a transmission part of an optical fiber temperature measuring system.
6. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the capacitor core body (7) is insulated by electric power insulating crepe paper impregnated with epoxy resin or glass fiber impregnated with epoxy resin.
7. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the optical fiber thermometer (8) is composed of a laser emitter, a filter, a photoelectric conversion module and a signal acquisition and processing unit, and acquires, processes and transmits cable operation temperature information in real time according to type matching of the optical fiber temperature sensor (11).
8. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the data acquisition equipment and the monitoring platform (9) are provided with remote monitoring and alarm systems, so that the running state of the equipment can be monitored in real time, and the state of the equipment can be monitored and managed.
9. The transformer bushing with fiber optic temperature measurement system of claim 1, wherein: the optical fiber temperature sensor (11) is a fluorescent optical fiber temperature sensor, is embedded in the conductive tube (4), and is arranged according to actual requirements in position and number of temperature measuring points.
10. The transformer bushing with fiber optic temperature measurement system according to any of the claims 1-9, wherein: the transformer bushing is a capacitive alternating current transformer bushing or a capacitive direct current transformer bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323129825.7U CN221175944U (en) | 2023-11-20 | 2023-11-20 | Transformer bushing with optical fiber temperature measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323129825.7U CN221175944U (en) | 2023-11-20 | 2023-11-20 | Transformer bushing with optical fiber temperature measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221175944U true CN221175944U (en) | 2024-06-18 |
Family
ID=91537504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323129825.7U Active CN221175944U (en) | 2023-11-20 | 2023-11-20 | Transformer bushing with optical fiber temperature measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221175944U (en) |
-
2023
- 2023-11-20 CN CN202323129825.7U patent/CN221175944U/en active Active
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