CN219162283U - Non-contact type online monitoring device for transformer - Google Patents
Non-contact type online monitoring device for transformer Download PDFInfo
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- CN219162283U CN219162283U CN202223323517.3U CN202223323517U CN219162283U CN 219162283 U CN219162283 U CN 219162283U CN 202223323517 U CN202223323517 U CN 202223323517U CN 219162283 U CN219162283 U CN 219162283U
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- control box
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Abstract
The utility model discloses a non-contact type online monitoring device of a transformer, which comprises a base, wherein a first adjusting mechanism is arranged on the base, a protective shell is arranged at the upper part of the first adjusting mechanism, and a control box is arranged in the protective shell; the first regulating mechanism is provided with a second regulating mechanism, the second regulating mechanism is provided with a data acquisition assembly for acquiring the sound and the image of the transformer, and the data acquisition assembly, the first regulating mechanism and the second regulating mechanism are all electrically connected with a control box which is in communication connection with a monitoring host. The first regulating mechanism and the second regulating mechanism integrally drive the data acquisition assembly to realize circumferential and pitching regulation, so that the transformer is monitored at multiple angles on line, a traditional manual inspection mode is replaced, and all-weather on-line monitoring is realized.
Description
Technical Field
The utility model relates to the field of online monitoring of power equipment, in particular to a non-contact online monitoring device of a transformer.
Background
When the power equipment generates partial discharge, such as corona discharge with larger discharge quantity, a corresponding sound signal is generated. Therefore, the acoustic signal of the power equipment contains abundant information such as vibration, discharge and the like, and is an important index for analyzing the running state of the equipment.
At present, the detection method for judging the running state of the transformer by sound is mainly finished by manpower, and the transition depends on working experience and subjective judgment, so that the detection accuracy cannot be ensured, the working environment of the inspection personnel is relatively bad, and the economic cost and the time cost are relatively high; along with the development of an acoustic imager, the traditional detection method for judging the running state of a transformer by relying on working experience is replaced, wherein the acoustic imager is based on a microphone array measurement technology, the position of a sound source is determined according to a phased array principle by measuring the signal phase difference of each microphone of sound waves in a certain space, the amplitude of the sound source is measured, and the distribution of the sound source in space is displayed in an image mode, namely, a spatial sound field distribution cloud image-sound image is obtained, wherein the color and the brightness of an image represent the intensity of sound; the inspection personnel can detect the transformer through the handheld acoustic imaging instrument fast, but the inspection process still needs the whole process cooperation of the inspection personnel, and the inspection personnel can not realize all-weather on-line monitoring to the transformer through manually adjusting the detection position and the detection height of the acoustic imaging instrument.
Disclosure of Invention
Aiming at the technical problem that the transformer cannot be monitored on line in all weather by inspection personnel through a handheld acoustic imaging instrument when the transformer is inspected at present, the utility model provides a non-contact type on-line monitoring device for the transformer.
The utility model realizes the above purpose through the following technical scheme:
the non-contact type online monitoring device for the transformer comprises a base, wherein a first adjusting mechanism is arranged on the base, a protecting shell is arranged on the upper part of the first adjusting mechanism, and a control box is arranged in the protecting shell; the transformer is characterized in that a second adjusting mechanism is arranged on the first adjusting mechanism, a data acquisition assembly for acquiring sound and images of the transformer is arranged on the second adjusting mechanism, the data acquisition assembly, the first adjusting mechanism and the second adjusting mechanism are electrically connected with the control box, and the control box is in communication connection with the monitoring host.
Preferably, the first adjusting mechanism comprises a rotating platform, the rotating platform is fixedly arranged on the base, a driving motor and a connecting shaft are arranged in the rotating platform, a power shaft of the driving motor is connected with the connecting shaft, and the protecting shell and the second adjusting mechanism are both arranged on the connecting shaft; the drive motor is electrically connected with the control box.
Preferably, the second adjusting mechanism comprises a supporting frame, the supporting frame is fixedly sleeved on the connecting shaft, and a data acquisition assembly is movably arranged at one end of the supporting frame.
Preferably, the support frame and the connecting shaft are of an integrally formed structure.
Preferably, the data acquisition assembly comprises a data acquisition plate, two groups of connecting wing plates are arranged on one side of the data acquisition plate, the two groups of connecting wing plates are movably connected with the support frame, and a power piece for driving the data acquisition plate to pitch and adjust around the support frame is arranged on one group of connecting wing plates; the data acquisition board is provided with a plurality of radio holes, a microphone is arranged in the radio holes, a high-definition camera is arranged between the radio holes, and the power piece, the microphone and the high-definition camera are electrically connected with the control box.
Preferably, the transverse cross-sectional shape of the data acquisition board is arc-shaped.
Preferably, the two groups of connecting wing plates are provided with first connecting holes, the support frame is provided with second connecting holes, a rotating shaft is arranged between the first connecting holes and the second connecting holes in a penetrating mode, and the rotating shaft is respectively connected with the connecting wing plates and the power piece.
Preferably, the power piece comprises a rotary motor, a power shaft of the rotary motor is connected with the rotary shaft, and the rotary motor is electrically connected with the control box.
Preferably, the control box is provided with an LCD display screen, a power supply module, a DSP processor, a memory and a wireless communication module are arranged in the control box, the DSP processor is respectively and electrically connected with the power supply module, the LCD display screen, the memory and the wireless communication module, and the wireless communication module is in communication connection with a monitoring host.
Compared with the prior art, the utility model has the beneficial effects that:
the first adjusting mechanism can drive the second adjusting mechanism and the protective shell to rotate in the whole circumferential direction, when the second adjusting mechanism rotates in the circumferential direction, the inspection personnel can remotely control the second adjusting mechanism through the monitoring host to drive the data acquisition assembly to pitch up and down for adjustment, and then the data acquisition assembly is driven to acquire sound wave signals at different positions of the transformer, and then the running state of the transformer can be monitored in a multi-angle all-weather mode.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of a data acquisition board of the present utility model.
The reference numerals are explained as follows:
1 is the base, 2 is the rotary platform, 3 is the connecting axle, 4 is the support frame, 5 is the protecting crust, 6 is the LCD display screen, 7 is the data acquisition board, 8 is the radio reception hole, 9 is the connection pterygoid lamina, 10 is the rotation motor, 11 is high definition digtal camera.
Detailed Description
The technical scheme of the utility model is further explained below with reference to the accompanying drawings 1-2:
as shown in fig. 1-2, the utility model discloses a non-contact type online monitoring device for a transformer, which comprises a base 1, wherein a first adjusting mechanism is arranged on the base 1, a protective shell 5 is arranged on the upper part of the first adjusting mechanism, a control box is arranged in the protective shell 5, and the control box is in communication connection with a monitoring host.
That is, the upper part of the base 1 is provided with a control box which drives the protective shell 5 to rotate circumferentially, and the protective shell 5 is internally provided with a control box which is used as a signal processing end to process the data fed back by the front end and receive a control instruction sent by the monitoring host to control the corresponding first adjusting mechanism and/or second adjusting mechanism to act.
In some embodiments, the first adjusting mechanism comprises a rotary platform 2, the rotary platform 2 is fixedly arranged on the base 1, a driving motor and a connecting shaft 3 are arranged in the rotary platform 2, a power shaft of the driving motor is connected with the connecting shaft 3, the protective shell 5 is arranged on the connecting shaft 3, and the driving motor is electrically connected with the control box.
That is, a rotary platform 2 is arranged in the base 1, a limit groove is formed in the rotary platform 2, a driving motor is arranged in the limit groove, the bottom of a connecting shaft 3 is arranged in the limit groove in a penetrating way, the connecting shaft 3 is fixedly connected with a power shaft of the driving motor, and the top of the connecting shaft 3 is fixedly connected with a protective shell 5; the driving motor is electrically connected with the control box, so that the power on and power off of the driving motor can be controlled through the control box, and the rotation state of the connecting shaft 3 is regulated.
In some embodiments, the control box is provided with an LCD display screen 6, and a power supply module, a DSP processor, a memory and a wireless communication module are disposed in the control box, where the DSP processor is electrically connected with the power supply module, the LCD display screen, the memory and the wireless communication module, and the wireless communication module is connected with the monitoring host in a communication manner.
That is, the control box is provided with the LCD display screen 6 for displaying the space sound field distribution cloud image-sound image, so that a worker can conveniently check the running state of the transformer in the temporary inspection; the power supply module is arranged in the control box, the lithium battery is electrically connected with the DSP processor through the voltage stabilizing module, the DSP processor stores monitoring data fed back by the front-end element in the memory, and simultaneously displays the fed back monitoring data on the LCD display screen 6 after processing the monitoring data, and the monitoring data is forwarded to the monitoring host in real time through the wireless communication module, so that operators on duty can conveniently check the running state of the transformer in real time through the monitoring host.
In some embodiments, the first adjusting mechanism is provided with a second adjusting mechanism, namely the second adjusting mechanism is arranged on the connecting shaft 3; the second regulating mechanism is provided with a data acquisition assembly for acquiring the sound and the image of the transformer, and the data acquisition assembly and the second regulating mechanism are electrically connected with the control box.
That is, the second adjusting mechanism is fixedly arranged on the connecting shaft 3, the driving motor drives the connecting shaft 3 to rotate, and simultaneously drives the second adjusting mechanism to rotate circumferentially, monitoring data acquired by the data acquisition component are transmitted to the control box in real time, the control box receives a control instruction sent by the monitoring host, the second adjusting mechanism is controlled to act, and the second adjusting mechanism can drive the data acquisition component to pitch up and down.
In some embodiments, the second adjusting mechanism includes a support frame 4, the support frame 4 is fixedly sleeved on the connecting shaft 3, and a data acquisition component is movably disposed at one end of the support frame 4.
That is, utilize the fixed cover of one end of support frame 4 to establish on connecting axle 3, and then support frame 4 can follow the synchronous circumference rotation of connecting axle 4, arrange data acquisition subassembly at the other end of support frame 4 simultaneously, but utilize data acquisition subassembly real-time acquisition transformer sound wave signal, the transformer sound wave signal real-time transmission to the control box of gathering.
It should be noted that the supporting frame 4 is composed of a lantern ring and a connecting plate, the lantern ring and the connecting shaft are integrated, the connecting plate is arranged at the end part of the lantern ring, and meanwhile, the supporting frame 4 composed of the lantern ring and the connecting plate is integrally formed with the connecting shaft 3, so that the stability of the structure in action is ensured.
In some embodiments, the data acquisition assembly includes a data acquisition board 7, two groups of connection wing plates 9 are provided on one side of the data acquisition board 7, the two groups of connection wing plates 9 are movably connected with the support frame 4, and one group of connection wing plates 9 is provided with a power piece for driving the data acquisition board 7 to pitch around the support frame 4.
That is, two groups of connection wing plates 9 are symmetrically arranged on the rear side surface of the data acquisition plate 7, connection holes are formed in the two groups of connection wing plates 9, a connection plate in the support frame 4 is arranged between the two groups of connection wing plates 9 in a penetrating mode, the two groups of connection wing plates 9 are connected with the connection plate through a rotating shaft, meanwhile, a power piece is arranged at one end of the rotating shaft, locking caps are respectively arranged when the connection shaft penetrates through the connection plate and two sides of the connection wing plates 9, the two groups of connection wing plates 9 are tightly abutted against the connection plate, a power piece is arranged on one group of connection wing plates, the power piece is connected with one end of the rotating shaft, the connection shaft and the data acquisition plate 7 are driven to synchronously wind the connection plate to adjust in a pitching mode under the driving of the power piece, and the whole up-down 30 DEG to 60 DEG adjustment is achieved.
It should be noted that, in order to improve the sound collecting effect, the transverse cross-sectional shape of the data acquisition board 7 is designed to be arc-shaped.
Meanwhile, the power piece comprises a rotary motor 10, a power shaft of the rotary motor 10 is connected with the rotary shaft, and the rotary motor 10 is electrically connected with the control box; the rotation motor 10 is used for driving the rotation shaft to rotate, and the rotation shaft synchronously drives the data acquisition plate 7 to pitch up and down for adjustment, so that the monitoring range is enlarged.
In some embodiments, the data acquisition board 7 is provided with a plurality of radio holes 8, a microphone is arranged in the radio holes 8, a plurality of high-definition cameras 11 are arranged between the radio holes 8, and the power piece, the microphone and the high-definition cameras 11 are electrically connected with the control box.
That is, a plurality of sound receiving holes 8 are arranged on the data acquisition board 7, microphones are arranged in the sound receiving holes 8, and then a microphone array is integrally formed, so that the transformer sound wave data can be acquired in a monitoring area, meanwhile, the microphone array transmits the acquired sound wave data to the DSP processor through the IC communication bus, moreover, the high-definition camera transmits the acquired image data to the DSP processor through the SPI bus, synchronous acquisition of sound images is realized, the transformer running state can be conveniently and rapidly judged by operators on duty, meanwhile, when the transformer is abnormal, the abnormal position can be rapidly determined, and the follow-up rapid overhaul is facilitated.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (9)
1. The non-contact type online monitoring device for the transformer comprises a base (1) and is characterized in that a first adjusting mechanism is arranged on the base (1), a protective shell (5) is arranged on the upper portion of the first adjusting mechanism, and a control box is arranged in the protective shell (5); the transformer is characterized in that a second adjusting mechanism is arranged on the first adjusting mechanism, a data acquisition assembly for acquiring sound and images of the transformer is arranged on the second adjusting mechanism, the data acquisition assembly, the first adjusting mechanism and the second adjusting mechanism are electrically connected with the control box, and the control box is in communication connection with the monitoring host.
2. The transformer non-contact on-line monitoring device according to claim 1, wherein the first adjusting mechanism comprises a rotary platform (2), the rotary platform (2) is fixedly arranged on the base (1), a driving motor and a connecting shaft are arranged in the rotary platform (2), a power shaft of the driving motor is connected with the connecting shaft, and the protective shell (5) and the second adjusting mechanism are both arranged on the connecting shaft (3); the drive motor is electrically connected with the control box.
3. The transformer non-contact on-line monitoring device according to claim 2, wherein the second adjusting mechanism comprises a supporting frame (4), the supporting frame (4) is fixedly sleeved on the connecting shaft (3), and a data acquisition assembly is movably arranged at one end of the supporting frame (4).
4. A non-contact on-line monitoring device for transformers according to claim 3, characterized in that the support frame (4) and the connecting shaft (3) are of an integrally formed structure.
5. A transformer non-contact on-line monitoring device as claimed in claim 3, characterized in that the data acquisition assembly comprises a data acquisition board (7), two groups of connection wing boards (9) are arranged on one side of the data acquisition board (7), the two groups of connection wing boards (9) are movably connected with the support frame (4), and a power piece for driving the data acquisition board (7) to pitch and adjust around the support frame (4) is arranged on one group of connection wing boards (9); be provided with a plurality of radio reception hole (8) on data acquisition board (7), be provided with the microphone in radio reception hole (8), and a plurality of be provided with high definition digtal camera (11) between radio reception hole (8), power spare microphone and high definition digtal camera (11) all with the control box electricity is connected.
6. The transformer non-contact on-line monitoring device according to claim 5, characterized in that the data acquisition board (7) has an arc-shaped transverse cross-section.
7. The non-contact on-line monitoring device for transformers according to claim 5, wherein two groups of connection wing plates (9) are provided with first connection holes, the support frame (4) is provided with second connection holes, and a rotation shaft is arranged between the first connection holes and the second connection holes in a penetrating way, and the rotation shaft is respectively connected with the connection wing plates (9) and the power piece.
8. The transformer non-contact on-line monitoring device according to claim 7, wherein the power member comprises a rotary motor (10), a power shaft of the rotary motor (10) is connected with the rotary shaft, and the rotary motor (10) is electrically connected with the control box.
9. The transformer non-contact on-line monitoring device according to any one of claims 1, 2, 5 or 8, wherein an LCD display screen (6) is provided on the control box, a power supply module, a DSP processor, a memory and a wireless communication module are provided in the control box, the DSP processor is electrically connected with the power supply module, the LCD display screen (6), the memory and the wireless communication module, respectively, and the wireless communication module is in communication connection with a monitoring host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223323517.3U CN219162283U (en) | 2022-12-12 | 2022-12-12 | Non-contact type online monitoring device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223323517.3U CN219162283U (en) | 2022-12-12 | 2022-12-12 | Non-contact type online monitoring device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219162283U true CN219162283U (en) | 2023-06-09 |
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ID=86614084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223323517.3U Active CN219162283U (en) | 2022-12-12 | 2022-12-12 | Non-contact type online monitoring device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219162283U (en) |
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2022
- 2022-12-12 CN CN202223323517.3U patent/CN219162283U/en active Active
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