CN112698139A - Transformer remote detection device - Google Patents
Transformer remote detection device Download PDFInfo
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- CN112698139A CN112698139A CN202011576989.2A CN202011576989A CN112698139A CN 112698139 A CN112698139 A CN 112698139A CN 202011576989 A CN202011576989 A CN 202011576989A CN 112698139 A CN112698139 A CN 112698139A
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 230000006399 behavior Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention provides a remote detection device for a transformer, which comprises a fixing ring, a first fixing plate, a sealing ring, a second fixing plate and a display terminal, wherein the bottom of the first fixing plate is connected with a clamping plate through a connecting unit, the fixing ring is arranged below the first fixing plate, the fixing rod penetrates through a first fixing hole and a second fixing hole and is then connected with a third fixing plate, the sealing ring and the second fixing plate are sleeved outside the fixing ring, the top of the third fixing plate is connected with a controller, and a sound sensor and a temperature and humidity sensor are arranged on the controller, so that the remote detection device has the following beneficial effects: the sound data in the transformer can be collected and processed, then the behavior characteristics of the sounds are judged and processed, the working condition of the transformer is judged and alarmed according to the judgment result, and meanwhile the transformer can adapt to different types of transformers.
Description
Technical Field
The invention discloses a remote detection device for a transformer, and belongs to the field of transformer detection.
Background
Chinese patent CN 109507494 a proposes a transformer sound wave detection system, and proposes that sound wave signals emitted by different power devices during operation are different. The sound wave signals sent by the same power equipment are also different greatly under normal and abnormal conditions. The key to the difference in the sounds heard by the human ear is the difference in the intensity and frequency of the sounds. However, the operation state analysis of the power equipment based on human sensory experience is only qualitative, quantitative analysis cannot be achieved, and workers cannot monitor the sound wave signal of certain power equipment for a long time. If a system can be designed, sound wave signals of the power equipment are collected in real time, and a method is found to extract key information of the sound waves of the specific power equipment, whether the power equipment works normally can be judged by taking the key information as a criterion.
The frequency range of the sound wave is wide. And the sound that can be heard by the human ear is about sound waves in the 20Hz to 20kHz band. The main research is the sound wave signal in the frequency band emitted by the power equipment. The current research application of sound waves develops a number of different application techniques, mainly including: the application of underwater sound technology, noise control technology, electroacoustic technology, voice technology, ultrasonic technology and infrasonic wave, etc. Among these technologies, the speech technology is applied to a speech recognition technology that is a language enabling a "machine" to understand a human, and an analysis method thereof is relatively sophisticated.
The technical scheme can be used for judging the working condition of the transformer in practical application, but the patent is only a simple system and cannot be directly applied to production.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a transformer remote detection device to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a transformer remote detection device comprises a fixing ring, a first fixing plate, a sealing ring, a second fixing plate and a display terminal, wherein the bottom of the first fixing plate is connected with a clamping plate through a connecting unit, the fixing ring is installed below the first fixing plate, a first fixing hole is formed in the fixing ring, a second fixing hole is formed in the first fixing plate, a fixing rod penetrates through the first fixing hole and the second fixing hole and is connected with a third fixing plate, the sealing ring and the second fixing plate are sleeved outside the fixing ring, the top of the third fixing plate is connected with a controller, a sound sensor and a temperature and humidity sensor are arranged on the controller, a printed circuit board is arranged in the controller, a single chip microcomputer, a storage device, a digital-to-analog converter, an analog-to-digital converter and a wireless information transmission module are welded on the printed circuit board, the single chip microcomputer is connected with the sound sensor and the temperature and humidity sensor through the analog-to-digital converter, and is connected with the display terminal through the wireless information transmission module.
Furthermore, the bottom of the first fixing plate is provided with a groove, the connecting unit is composed of a first connecting plate, a second connecting plate and a rotating shaft, the first connecting plate is connected with the second connecting plate through the rotating shaft, the second connecting plate is fixed to the bottom of the clamping plate, the first connecting plate is fixed in the groove of the fixing ring, and the first connecting plate and the second connecting plate can be accommodated in the groove.
Furthermore, the clamping plate, the connecting unit and the groove form a plurality of rotating mechanisms, and the plurality of rotating mechanisms are symmetrically arranged below the first fixing plate.
Further, the internal surface of first fixed orifices is rolled there is the internal thread, the internal surface of second fixed orifices is rolled there is the internal thread, the surface of dead lever is rolled there is the external screw thread, the internal thread all cooperatees with the external screw thread, solid fixed ring and first fixed plate formula design as an organic whole, in the time of in-service use, when the cardboard card is at the internal surface of transformer, accomplish fixed initial work back, through rotatory dead lever, thereby change controller, sound transducer and temperature and humidity sensor's on the third fixed plate position, fixed work in the middle of accomplishing, this kind of design is for adapting to the not transformer of equidimension, make this device all can carry out reasonable detection to the transformer of different grade type.
Furthermore, the cross section of the sealing ring is in a convex shape, the design is to compensate the height of the clamping plate after the clamping plate is placed, a third fixing hole is formed in the sealing ring, a fourth fixing hole is formed in the second fixing plate, internal threads are rolled on the inner surfaces of the third fixing hole and the fourth fixing hole, external threads are rolled on the outer surface of the fixing ring, the internal threads are matched with the external threads, when the sealing ring is actually used, the sealing ring is clamped on the outer side of the fixing ring firstly after middle fixing work is completed, the top of the sealing ring is contacted with the first fixing plate by rotating the sealing ring, meanwhile, the bottom of the sealing ring is clamped on the outer side of the hole of the transformer, sealing effect is completed, after sealing is completed, the second fixing plate is clamped on the outer side of the fixing ring, and the second fixing plate is rotated, so that the second fixing plate is matched with the, and (4) the sealing ring, the fixing ring and the transformer fixing column are used for completing the integral fixing operation.
Furthermore, the output end of the sound sensor is connected with the input end of the analog-to-digital converter, the input end of the analog-to-digital converter is further connected with the output end of the temperature and humidity sensor, the output end of the analog-to-digital converter is connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the input end of the digital-to-analog converter, the output end of the digital-to-analog converter is connected with the input end of the wireless information transmission module, the output end of the wireless information transmission module is connected with the input end of the display terminal.
Further, a sound characteristic value is stored in the storage, the sound characteristic value refers to the sound of components inside the transformer during working, under the initial condition, sound data inside the transformer are collected through a sound sensor, then the single chip microcomputer records the characteristic information through the storage and the small databases, all sound behavior information of one transformer is collected, all sound behavior information of one transformer is sent to one large database, the working behavior information behavior characteristics of the transformer are extracted, a threshold value is set, all sound behavior information of the transformer is compared with the threshold value, and all sound behavior information behaviors of the transformer are divided;
in actual use, sound data in the transformer are collected through a sound sensor, then the sound information is converted into digital quantity through an analog-to-digital converter and transmitted to a single chip microcomputer, the single chip microcomputer extracts the sound information, and the information is sent to a large database and a display terminal to extract behavior characteristics of the sound for judgment;
and processing, namely judging and alarming the working condition of the transformer according to the judgment result.
Further, in the time of in-service use, temperature and humidity sensor gathers the inside humiture data of transformer, then through analog-to-digital converter, converts this humiture information into the digital quantity, transmits to the singlechip in, the singlechip passes through digital-to-analog converter, converts this information into the analog quantity, transmits to display terminal through wireless information transmission module to supply the staff to look over and handle.
The invention has the beneficial effects that: the remote detection device for the transformer can collect and process sound data in the transformer, then judge and process the behavior characteristics of the sound, judge and alarm the working condition of the transformer according to the judgment result, and can adapt to different types of transformers.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a transformer remote detection device according to the present invention;
FIG. 2 is an expanded view of a clamping plate of the transformer remote detection device according to the present invention;
FIG. 3 is a schematic view of a clamping plate and a first fixing plate of the transformer remote detection apparatus according to the present invention;
FIG. 4 is a schematic diagram of a bending of a clamping plate of the transformer remote detection device according to the present invention;
FIG. 5 is an enlarged view of the transformer remote inspection device at A of the present invention;
FIG. 6 is a schematic view of a sealing ring of a transformer remote detection device according to the present invention;
FIG. 7 is a schematic view of a second fixing plate of the transformer remote detection apparatus according to the present invention;
FIG. 8 is a schematic diagram of a PCB of a transformer remote detection device according to the present invention;
FIG. 9 is a schematic diagram of a transformer remote detection device according to the present invention;
in the figure: 1-fixed ring, 2-first fixed plate, 3-sealing ring, 4-second fixed plate, 5-display terminal, 11-controller, 12-sound sensor, 13-temperature and humidity sensor, 14-third fixed plate, 15-fixed rod, 16-first fixed hole, 111-printed circuit board, 112-single chip microcomputer, 113-storage, 114-digital-analog converter, 115-analog-digital converter, 116-wireless information transmission module, 21-second fixed hole, 22-snap-gauge, 23-groove, 24-first connecting plate, 25-second connecting plate, 26-rotating shaft, 31-third fixed hole, 41-fourth fixed hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 9, the present invention provides a technical solution: a remote detection device for a transformer comprises a fixing ring 1, a first fixing plate 2, a sealing ring 3, a second fixing plate 4 and a display terminal 5, wherein the bottom of the first fixing plate 2 is connected with a clamping plate 22 through a connecting unit, the fixing ring 1 is installed below the first fixing plate 2, a first fixing hole 16 is formed inside the fixing ring 1, a second fixing hole 21 is formed inside the first fixing plate 2, the fixing rod penetrates through the first fixing hole 16 and the second fixing hole 21 and is then connected with a third fixing plate 14, the sealing ring 3 and the second fixing plate 4 are sleeved outside the fixing ring 1, the top of the third fixing plate 14 is connected with a controller 11, a sound sensor 12 and a temperature and humidity sensor 13 are arranged on the controller 11, a printed circuit board 111 is arranged inside the controller 11, a single chip microcomputer 112, a storage 113, a digital-to-analog converter 114, an analog-to-digital converter 115 and a wireless information transmission module 116, the single chip microcomputer 112 is connected with the sound sensor 12 and the temperature and humidity sensor 13 through an analog-to-digital converter 115, and the single chip microcomputer 112 is connected with the display terminal 5 through a wireless information transmission module 116.
As an embodiment of the invention, the bottom of the first fixing plate 2 is provided with a groove 23, the connecting unit is composed of a first connecting plate 24, a second connecting plate 25 and a rotating shaft 26, the first connecting plate 24 is connected with the second connecting plate 25 through the rotating shaft 26, the second connecting plate 25 is fixed at the bottom of the clamping plate 22, the first connecting plate 24 is fixed in the groove 23 of the fixing ring 1, and the groove 23 is arranged to accommodate the first connecting plate 24 and the second connecting plate 25, so that in actual use, an included angle between the clamping plate 22 and the first fixing plate 2 can be smaller than 90 degrees, the use is convenient, and meanwhile, the design can ensure that the device can be conveniently fixed on each surface of the transformer.
As an embodiment of the present invention, the clamping plates 22, the connecting units and the grooves 23 form a rotating mechanism, the rotating mechanism is provided with a plurality of rotating mechanisms, the plurality of rotating mechanisms are symmetrically arranged below the first fixing plate 2, when in actual use, a hole with a diameter larger than that of the first fixing plate 2 is formed on the surface of the transformer, then the plurality of clamping plates 22 are straightened, the device is inserted into the hole, then the clamping plates 22 are flatly placed (various methods, such as a shaking device, can be directly flatly placed under the action of gravity, sometimes), at this time, the clamping plates 22 are parallel to the first fixing plate 2, then the fixing rod is pulled backwards, so that the plurality of clamping plates 22 are clamped on the inner surface of the transformer, and the initial fixing work is completed.
As an embodiment of the present invention, the inner surface of the first fixing hole 16 is rolled with an internal thread, the inner surface of the second fixing hole 21 is rolled with an internal thread, the outer surface of the fixing rod is rolled with an external thread, the internal thread is matched with the external thread, the fixing ring 1 and the first fixing plate 2 are designed as an integral body, when in actual use, after the clamping plate 22 is clamped on the inner surface of the transformer and initial fixing work is completed, the fixing rod is rotated, so as to change the positions of the controller 11, the sound sensor 12 and the temperature and humidity sensor 13 on the third fixing plate 14, and complete middle fixing work, and the design is designed to adapt to transformers of different sizes, so that the device can reasonably detect transformers of different types.
As an embodiment of the present invention, the cross section of the sealing ring 3 is in a convex shape, which is designed to compensate the height of the clamping plate 22 after being laid down, the sealing ring 3 is internally provided with a third fixing hole 31, the second fixing plate 4 is internally provided with a fourth fixing hole 41, the inner surfaces of the third fixing hole 31 and the fourth fixing hole 41 are both rolled with internal threads, the outer surface of the fixing ring 1 is rolled with external threads, the internal threads are matched with the external threads, when in actual use, after the middle fixing work is completed, the sealing ring 3 is clamped on the outer side of the fixing ring 1, the top of the sealing ring 3 is contacted with the first fixing plate 2 by rotating the sealing ring 3, and the bottom of the sealing ring 3 is clamped on the outer side of the hole of the transformer, thereby completing the sealing effect, after the sealing is completed, by clamping the second fixing plate 4 on the outer side of the fixing ring 1, by rotating, thereby make second fixed plate 4 and cardboard 22 cooperation, with sealing ring 3, solid fixed ring 1 and transformer fixed column, accomplish whole fixed operation.
As an embodiment of the present invention, an output end of the sound sensor 12 is connected to an input end of the analog-to-digital converter 115, an input end of the analog-to-digital converter 115 is further connected to an output end of the temperature and humidity sensor 13, an output end of the analog-to-digital converter 115 is connected to an input end of the single chip microcomputer 112, an output end of the single chip microcomputer 112 is connected to an input end of the digital-to-analog converter 114, an output end of the digital-to-analog converter 114 is connected to an input end of the wireless information transmission module 116, an output end of the wireless information transmission module 116 is connected to an input.
As an embodiment of the present invention, the storage 113 stores characteristic values of sound, which refer to the sound of the internal components of the transformer during operation, such as the following: (1) when the transformer is in normal operation, the alternating current passes through the transformer coil, and periodic alternating magnetic flux is generated in the iron core, so that the iron core is vibrated, and uniform buzzing sound is generated; (2) when the transformer is overloaded, the current of the transformer coil is larger, so that the magnetic flux density of the iron core is increased, the vibration force of the silicon steel sheets of the iron core is enhanced, and a buzzing sound which is slightly louder and heavier than the normal operation is generated; (3) when the large power equipment is started, the transformer instantly generates 'Java' sound due to large load change and high harmonic action; (4) when the system is in short circuit, the magnetic flux density is excessively increased due to a large quantity of non-periodic current passing through the transformer, the iron core is seriously saturated, and the transformer generates great noise; (5) when the internal contact is poor or a puncture position exists, the transformer generates 'squeak' or 'crackle' discharge sound, and gas is generated to enable the gas protection to act when the interior of the transformer is seriously discharged; (6) due to ferroresonance, humming sound and fine humming sound are emitted inside the transformer, the sound becomes sharp along with the rise of voltage and frequency and becomes coarse along with the fall of the voltage and the frequency, under the initial condition, sound data inside the transformer are collected through the sound sensor 12, then the singlechip 112 records the characteristic information through the storage 113 and a plurality of small databases, all sound behavior information of one transformer is collected, all sound behavior information of one transformer is sent to one large database, the working behavior information behavior characteristics of the transformer are extracted, a threshold value is set, all sound behavior information of the transformer is compared with the threshold value, and all sound behavior information behaviors of the transformer are divided;
in actual use, sound data in the transformer are collected through the sound sensor 12, then the sound information is converted into digital quantity through the analog-to-digital converter 115 and transmitted to the single chip microcomputer 112, the single chip microcomputer 112 extracts the sound information, and behavior characteristics of the sound are extracted and judged by sending the information to a large database and the display terminal 5;
and processing, namely judging and alarming the working condition of the transformer according to the judgment result.
As an embodiment of the present invention, in actual use, the temperature and humidity sensor 13 collects temperature and humidity data inside the transformer, and then converts the temperature and humidity information into digital quantity through the analog-to-digital converter 115, and transmits the digital quantity to the single chip microcomputer 112, and the single chip microcomputer 112 converts the information into analog quantity through the digital-to-analog converter 114, and transmits the analog quantity to the display terminal 5 through the wireless information transmission module 116, so as to be viewed and processed by a worker.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a transformer remote detection device, includes solid fixed ring, first fixed plate, sealing ring, second fixed plate and display terminal, its characterized in that: the bottom of the first fixing plate is connected with a clamping plate through a connecting unit, the fixing ring is arranged below the first fixing plate, the inner part of the fixing ring is provided with a first fixing hole, the inner part of the first fixing plate is provided with a second fixing hole, the fixing rod penetrates through the first fixing hole and the second fixing hole, then a third fixing plate is connected, a sealing ring and a second fixing plate are sleeved outside the fixing ring, the top of the third fixing plate is connected with a controller, the controller is provided with a sound sensor and a temperature and humidity sensor, the controller is internally provided with a printed circuit board, the printed circuit board is welded with a singlechip, a memory, a digital-to-analog converter, an analog-to-digital converter and a wireless information transmission module, the single chip microcomputer is connected with the sound sensor and the temperature and humidity sensor through the analog-to-digital converter, and is connected with the display terminal through the wireless information transmission module.
2. The transformer remote detection device according to claim 1, wherein: the bottom of the first fixing plate is provided with a groove, the connecting unit is composed of a first connecting plate, a second connecting plate and a rotating shaft, the first connecting plate is connected with the second connecting plate through the rotating shaft, the second connecting plate is fixed at the bottom of the clamping plate, the first connecting plate is fixed in the groove of the fixing ring, and the first connecting plate and the second connecting plate can be accommodated in the groove.
3. The transformer remote detection device according to claim 1, wherein: the clamping plate, the connecting unit and the groove form a plurality of rotating mechanisms, and the plurality of rotating mechanisms are symmetrically arranged below the first fixing plate.
4. The transformer remote detection device according to claim 1, wherein: the internal surface of first fixed orifices is rolled there is the internal thread, the internal surface of second fixed orifices is rolled there is the internal thread, the surface of dead lever is rolled there is the external screw thread, the internal thread all cooperatees with the external screw thread, solid fixed ring and first fixed plate formula design as an organic whole.
5. The transformer remote detection device according to claim 1, wherein: the cross section of the sealing ring is in a convex shape, the design is to compensate the height of the clamping plate after the clamping plate is placed, a third fixing hole is formed in the sealing ring, a fourth fixing hole is formed in the second fixing plate, internal threads are rolled on the inner surfaces of the third fixing hole and the fourth fixing hole, external threads are rolled on the outer surface of the fixing ring, and the internal threads are matched with the external threads.
6. The transformer remote detection device according to claim 1, wherein: the output end of the sound sensor is connected with the input end of the analog-to-digital converter, the input end of the analog-to-digital converter is further connected with the output end of the temperature and humidity sensor, the output end of the analog-to-digital converter is connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the input end of the digital-to-analog converter, the output end of the digital-to-analog converter is connected with the input end of the wireless information transmission module, the output end of the wireless information transmission module is connected with the input end of the display.
7. The transformer remote detection device according to claim 1, wherein: storing a characteristic value of sound in a storage, acquiring sound data in a transformer through a sound sensor under an initial condition, recording the characteristic information by a single chip microcomputer through the storage and a plurality of small databases, integrating all sound behavior information of the transformer, sending all sound behavior information of the transformer to a large database, extracting working behavior information behavior characteristics of the transformer, setting a threshold value, comparing all sound behavior information of the transformer with the threshold value, and dividing all sound behavior information behaviors of the transformer;
in actual use, sound data in the transformer are collected through a sound sensor, then the sound information is converted into digital quantity through an analog-to-digital converter and transmitted to a single chip microcomputer, the single chip microcomputer extracts the sound information, and the information is sent to a large database and a display terminal to extract behavior characteristics of the sound for judgment;
and processing, namely judging and alarming the working condition of the transformer according to the judgment result.
8. The transformer remote detection device according to claim 1, wherein: temperature and humidity sensor gathers the inside humiture data of transformer, then through analog-to-digital converter, converts this humiture information into the digital quantity, transmits to the singlechip in, and the singlechip passes through digital-to-analog converter, converts this information into the analog quantity, transmits to display terminal through wireless information transmission module to supply the staff to look over and handle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011576989.2A CN112698139B (en) | 2020-12-28 | 2020-12-28 | Remote detection device for transformer |
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|---|---|---|---|
| CN202011576989.2A CN112698139B (en) | 2020-12-28 | 2020-12-28 | Remote detection device for transformer |
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| CN112698139A true CN112698139A (en) | 2021-04-23 |
| CN112698139B CN112698139B (en) | 2024-06-04 |
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