CN220672376U - Dry-type power transformer with on-line detection and fault diagnosis functions - Google Patents
Dry-type power transformer with on-line detection and fault diagnosis functions Download PDFInfo
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- CN220672376U CN220672376U CN202322388991.2U CN202322388991U CN220672376U CN 220672376 U CN220672376 U CN 220672376U CN 202322388991 U CN202322388991 U CN 202322388991U CN 220672376 U CN220672376 U CN 220672376U
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- transformer
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- line detection
- fault diagnosis
- protective cover
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000003745 diagnosis Methods 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 abstract description 22
- 230000008901 benefit Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of power transformers, and discloses a dry type power transformer with on-line detection and fault diagnosis, wherein relays are arranged at two ends of the transformer, an electric box is arranged on the inner side of a protective cover, drying boxes are arranged at two ends of the relay, sealing base plates are arranged at two ends of the bottom surface of the protective cover, moisture-proof cushion blocks are arranged between the sealing base plates, a power line is arranged on the top surface of the transformer, and an arc-shaped plate is arranged on the inner side of a heat dissipation grid. The on-line detection and fault diagnosis type dry power transformer is characterized in that an on-line detection is realized by utilizing a central processing unit at the inner side of an electric box to compare and analyze the input current, voltage, temperature and humidity signals of the transformer with set normal operation parameters, if faults exist, the central processing unit judges the faults and judges whether the transformer can continue to work, an alarm signal is sent out through an alarm module, and the working state of the transformer is controlled by matching with a relay, so that the on-line detection is realized, and meanwhile, the safety of the transformer is improved.
Description
Technical Field
The utility model relates to the technical field of power transformers, in particular to a dry power transformer with on-line detection and fault diagnosis.
Background
A transformer is one of the main devices of an electrical power system, the operating conditions of which will directly relate to the safe and economical operation of the electrical power system. The faults of large power transformers are mainly insulation faults and are mainly represented by partial discharge. The transformer fault detection technology is used for detecting whether the power transformer of the transformer substation is still in normal operation or not by monitoring the running state of the transformer, if the power transformer is in fault, the power transformer can be timely alarmed, and a worker can conveniently detect and maintain the power transformer so as to prevent major accidents, and meanwhile, the working condition of the transformer in a period of time in the future can be predicted;
the traditional transformer fault detection methods are finished manually and comprise state maintenance, periodic maintenance and the like, all the methods need to be operated by related staff on site regularly, and the technical level and working experience of the staff are required, but the traditional detection methods not only lack timeliness, but also have a certain safety risk, and the transformer always generates sound in the partial discharge process, and the sound has a certain corresponding relation with the degree and type of the partial discharge. During normal operation, a worker can judge whether the transformer has faults or not by means of the heard operation sound of the transformer. How to simulate the human auditory system to judge the running state of the transformer according to the sound so as to detect whether the transformer has faults or not, and then by combining the traditional transformer fault detection method, the running state of the transformer can be detected more accurately in real time, and the online detection and fault diagnosis type dry power transformer is needed to solve the technical problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the online detection and fault diagnosis type dry power transformer, which has the advantages that the central processing unit at the inner side of the electric box is used for comparing and analyzing the input current, voltage, temperature and humidity signals of the transformer with the set normal operation parameters, if faults exist, the central processing unit judges the faults and judges whether the transformer can work continuously, and the alarm module sends out alarm signals to control the working state of the transformer in cooperation with the relay, thereby realizing online detection, improving the safety of the transformer and the like, and solving the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dry-type power transformer with on-line detection and fault diagnosis, includes the transformer, the transformer outside is provided with the safety cover, the safety cover top surface is provided with the hang plate, the hang plate inboard is provided with the filter frame, the safety cover both ends are provided with the heat dissipation grid, the transformer both ends are provided with the relay, the safety cover inboard is provided with the electronic box, the relay both ends are provided with the drying cabinet, safety cover bottom surface both ends are provided with sealed backing plate, dampproofing cushion between the sealed backing plate, the transformer top surface is provided with the power cord, the heat dissipation grid inboard is provided with the arc, the hang plate both ends are provided with puts the thing frame, the delivery port has been seted up at the hang plate both ends, the drying cabinet openly is provided with the maintenance door.
Preferably, the transformer is fixedly installed on the inner side of the protective cover, the inclined plate is fixedly installed on the top surface of the protective cover, the filter frame is detached from two ends of the top surface of the inclined plate, and the bottom surface of the protective cover is fixedly connected with the base plate.
Through the technical scheme, the central processing unit, the storage module, the display module, the signal processing conversion module and the alarm module are respectively arranged on the inner side of the electric box, the electric box inner side module is respectively electrically connected with the relay and the transformer, the electric box inner side central processing unit is used for comparing and analyzing the input current, voltage, temperature and humidity signals of the transformer with the set normal operation parameters, and comparing and analyzing the special data of the input operation sound signals with the information in the sound database, so that the operation state of the transformer is judged, and the information is stored by the storage module in the box.
Preferably, the heat dissipation grids are respectively located at two ends of the protective cover, the relay and the drying box are respectively located at two ends of the relay, the relay is located on the top surface of the drying box, and the relay is connected with the electric box through a power line.
Through above-mentioned technical scheme, carry out data display by display module again, if there is the trouble, the central processing unit judges what kind of trouble and judges whether the transformer can continue to work to send alarm signal through alarm module, through utilizing the operating condition of relay control transformer, the transformer carries out normal use in the guard shield inboard simultaneously for the safety of transformer improves when the guard shield opens the guard shield to the transformer.
Preferably, the sealing cushion plates are respectively and fixedly arranged at two ends of the bottom surface of the protective cover, the dampproof cushion block is positioned in the middle of the sealing cushion plates and is detachably arranged at the inner side of the protective cover, and the relay is electrically connected with the electric box.
Through the technical scheme, the input current, voltage, temperature and humidity signals of the transformer are compared with the set normal operation parameters by the central processing unit at the inner side of the electric box, if faults exist, the central processing unit judges the faults and judges whether the transformer can work continuously or not, and an alarm signal is sent out through the alarm module to control the working state of the transformer in cooperation with the relay, so that on-line detection is realized, and meanwhile, the safety of the transformer is improved.
Preferably, the object placing frames are respectively embedded into two ends of the top surface of the inclined plate, a hollow groove is formed in the middle of the object placing frames, the filter frames are embedded into the inner side of the hollow groove and are detachably arranged, and the transformer is electrically connected with the electric box.
Through above-mentioned technical scheme, the impurity that can advance the rivers of drip in the filter frame inboard of hang plate filters, and the water source after filtering gets into hang plate inboard and discharges through the delivery port, for prevent that the water source of drip above the bottom surface from flowing backward from the radiator grille inboard and getting into the safety cover inboard, the inboard arc of radiator grille can keep out the water source of flowing backward, can keep out it to the above-ground outside the safety cover to improve the practicality of the inboard transformer of safety cover, and prolong its life.
Compared with the prior art, the utility model provides the dry type power transformer with on-line detection and fault diagnosis, which has the following beneficial effects:
1. according to the utility model, the input current, voltage, temperature and humidity signals of the transformer are compared with the set normal operation parameters by utilizing the central processing unit at the inner side of the electric box, if faults exist, the central processing unit judges the faults and judges whether the transformer can continue to work, and an alarm signal is sent out through the alarm module to control the working state of the transformer in cooperation with the relay, so that the on-line detection is realized, and meanwhile, the safety of the transformer is improved.
2. According to the utility model, impurities in the dropped water flow can be filtered through the inner side of the filter frame on the inner side of the inclined plate, and the filtered water source enters the inner side of the inclined plate and is discharged through the water outlet, so that the water source dropped on the bottom surface can be prevented from flowing backwards and entering the inner side of the protection cover from the inner side of the heat radiation grating, the arc plate on the inner side of the heat radiation grating can resist the water source flowing backwards and can resist the water source to the upper side of the ground on the outer side of the protection cover, and therefore, the practicability of the transformer on the inner side of the protection cover is improved, and the service life of the transformer on the inner side of the protection cover is prolonged.
Drawings
FIG. 1 is a schematic perspective view of a protective cover according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a protective cover according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the inclined plate of the present utility model.
Wherein: 1. a transformer; 2. a protective cover; 3. an inclined plate; 4. a filter frame; 5. a heat-dissipating grille; 6. a relay; 7. an electric box; 8. a drying box; 9. a sealing backing plate; 10. a dampproof cushion block; 11. a power line; 12. an arc-shaped plate; 13. a storage frame; 14. a water outlet; 15. and (5) maintaining the door.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a dry-type power transformer with on-line detection and fault diagnosis comprises a transformer 1, wherein a protective cover 2 is arranged on the outer side of the transformer 1, an inclined plate 3 is arranged on the top surface of the protective cover 2, a filter frame 4 is arranged on the inner side of the inclined plate 3, heat dissipation grids 5 are arranged at two ends of the protective cover 2, a relay 6 is arranged at two ends of the transformer 1, an electric box 7 is arranged on the inner side of the protective cover 2, a drying box 8 is arranged at two ends of the relay 6, a sealing base plate 9 is arranged at two ends of the bottom surface of the protective cover 2, a moisture-proof cushion block 10 is arranged between the sealing base plates 9, a power line 11 is arranged on the top surface of the transformer 1, an arc-shaped plate 12 is arranged on the inner side of the heat dissipation grids 5, a storage frame 13 is arranged at two ends of the inclined plate 3, water outlets 14 are formed at two ends of the inclined plate 3, and maintenance doors 15 are arranged on the front surface of the drying box 8.
Specifically, the transformer 1 is fixedly installed inside the protective cover 2, the inclined plate 3 is fixedly installed on the top surface of the protective cover 2, the filter frame 4 is detached at two ends of the top surface of the inclined plate 3, and the bottom surface of the protective cover 2 is fixedly connected with the base plate. The intelligent control system has the advantages that the central processing unit, the storage module, the display module, the signal processing and converting module and the alarm module are respectively arranged on the inner side of the electric box 7, the inner side module of the electric box 7 is respectively electrically connected with the relay 6 and the transformer 1, the input current, voltage, temperature and humidity signals of the transformer are compared and analyzed with the set normal operation parameters by the aid of the central processing unit on the inner side of the electric box 7, special data of the input operation sound signals are compared and analyzed with information in the sound database, the operation state of the transformer is judged, and the information is stored by the storage module in the box.
Specifically, the heat dissipation grille 5 is located the safety cover 2 both ends respectively, and relay 6 and drying cabinet 8 are located relay 6 both ends respectively, and relay 6 is located drying cabinet 8 top surface, is connected through power cord 11 between relay 6 and the electric cabinet 7. The transformer 1 has the advantages that the display module displays data, if faults exist, the central processing unit judges the faults and judges whether the transformer can work continuously or not, and an alarm signal is sent out through the alarm module, the working state of the transformer 1 is controlled through the relay 6, meanwhile, the transformer 1 is normally used on the inner side of the protective cover 2, and the protective cover 2 can protect the transformer 1 and improve the safety of the transformer 1.
Specifically, sealing backing plates 9 are respectively fixedly installed at two ends of the bottom surface of the protective cover 2, a dampproof cushion block 10 is located in the middle of the sealing backing plates 9 and is detachably installed at the inner side of the protective cover 2, and the relay 6 is electrically connected with the electric box 7. The intelligent control system has the advantages that the central processing unit at the inner side of the electric box 7 is used for comparing and analyzing the input current, voltage, temperature and humidity signals of the transformer with the set normal operation parameters, if faults exist, the central processing unit judges the faults and judges whether the transformer 1 can continue to work or not, and an alarm signal is sent out through the alarm module to control the working state of the transformer 1 in cooperation with the relay 6, so that on-line detection is realized, and meanwhile, the safety of the transformer 1 is improved.
Specifically, the object placing frames 13 are respectively embedded into two ends of the top surface of the inclined plate 3, an empty slot is formed in the middle of the object placing frames 13, the filter frames 4 are embedded into the inner sides of the empty slots and are detachably installed, and the transformer 1 is electrically connected with the electric box 7. The advantage is, the filter frame 4 inboard of hang plate 3 inboard can filter the impurity in the rivers of drip, and the water source after filtering gets into hang plate 3 inboard and discharges through delivery port 14, in order to prevent that the water source of drip above the bottom surface from flowing backward from radiator grille 5 inboard and getting into safety cover 2 inboard, the inboard arc 12 of radiator grille 5 can withstand the water source of flowing backward, can withstand the subaerial face outside the safety cover 2 with it to improve the practicality of safety cover 2 inboard transformer 1, and prolong its life.
When the intelligent transformer is used, the central processing unit, the storage module, the display module, the signal processing conversion module and the alarm module are respectively arranged on the inner side of the electric box 7, the inner side module of the electric box 7 is respectively electrically connected with the relay 6 and the transformer 1, the input current, voltage, temperature and humidity signals of the transformer are compared and analyzed with the set normal operation parameters by the central processing unit on the inner side of the electric box 7, the special data of the input operation sound signals are compared and analyzed with the information in the sound database, the operation state of the transformer is further judged, the information is stored by the storage module in the box, the data is further displayed by the display module, if a fault exists, the central processing unit judges the fault and judges whether the transformer can work continuously, and the alarm module sends out the alarm signal, the working state of the transformer 1 is controlled by utilizing the relay 6, meanwhile, the transformer 1 is normally used on the inner side of the protective cover 2, the protective cover 2 is enabled to protect the transformer 1, and meanwhile the safety of the transformer 1 is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dry-type power transformer with on-line measuring and fault diagnosis formula, includes transformer (1), transformer (1) outside is provided with safety cover (2), safety cover (2) top surface is provided with inclined plate (3), inclined plate (3) inboard is provided with filter frame (4), safety cover (2) both ends are provided with radiator grille (5), its characterized in that: the transformer is characterized in that relays (6) are arranged at two ends of the transformer (1), electric boxes (7) are arranged on the inner sides of the protective covers (2), drying boxes (8) are arranged at two ends of the relays (6), sealing base plates (9) are arranged at two ends of the bottom surface of the protective covers (2), moisture-proof cushion blocks (10) are arranged between the sealing base plates (9), power wires (11) are arranged on the top surface of the transformer (1), arc-shaped plates (12) are arranged on the inner sides of the radiating grids (5), object placing frames (13) are arranged at two ends of the inclined plates (3), water outlets (14) are formed in two ends of the inclined plates (3), and maintenance doors (15) are arranged on the front surface of the drying boxes (8).
2. The dry power transformer with on-line detection and fault diagnosis according to claim 1, wherein: the transformer (1) is fixedly arranged on the inner side of the protective cover (2), the inclined plate (3) is fixedly arranged on the top surface of the protective cover (2), the filter frame (4) is detached from the two ends of the top surface of the inclined plate (3), and the bottom surface of the protective cover (2) is fixedly connected with the base plate.
3. The dry power transformer with on-line detection and fault diagnosis according to claim 1, wherein: the heat dissipation grille (5) is located at two ends of the protection cover (2) respectively, the relay (6) and the drying box (8) are located at two ends of the relay (6) respectively, the relay (6) is located on the top surface of the drying box (8), and the relay (6) is connected with the electric box (7) through the power line (11).
4. The dry power transformer with on-line detection and fault diagnosis according to claim 1, wherein: the sealing cushion plates (9) are respectively and fixedly arranged at two ends of the bottom surface of the protective cover (2), the dampproof cushion blocks (10) are positioned in the middle of the sealing cushion plates (9) and are detachably arranged at the inner side of the protective cover (2), and the relay (6) is electrically connected with the electric box (7).
5. The dry power transformer with on-line detection and fault diagnosis according to claim 1, wherein: the filter frame is characterized in that the object placing frame (13) is respectively embedded into two ends of the top surface of the inclined plate (3), an empty slot is formed in the middle of the object placing frame (13), the filter frame (4) is embedded into the inner side of the empty slot and is detachably installed, and the transformer (1) is electrically connected with the electric box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322388991.2U CN220672376U (en) | 2023-09-04 | 2023-09-04 | Dry-type power transformer with on-line detection and fault diagnosis functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322388991.2U CN220672376U (en) | 2023-09-04 | 2023-09-04 | Dry-type power transformer with on-line detection and fault diagnosis functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672376U true CN220672376U (en) | 2024-03-26 |
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ID=90338183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322388991.2U Active CN220672376U (en) | 2023-09-04 | 2023-09-04 | Dry-type power transformer with on-line detection and fault diagnosis functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672376U (en) |
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2023
- 2023-09-04 CN CN202322388991.2U patent/CN220672376U/en active Active
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