CN219737657U - Vibration signal acquisition device for transformer on-line monitoring device - Google Patents
Vibration signal acquisition device for transformer on-line monitoring device Download PDFInfo
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- CN219737657U CN219737657U CN202320469844.5U CN202320469844U CN219737657U CN 219737657 U CN219737657 U CN 219737657U CN 202320469844 U CN202320469844 U CN 202320469844U CN 219737657 U CN219737657 U CN 219737657U
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- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 5
- 230000005484 gravity Effects 0.000 abstract description 5
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
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Abstract
The utility model discloses a vibration signal acquisition device for an on-line transformer monitoring device, which comprises a host machine body, wherein one side of the host machine body is provided with eight detachable data transmission lines, the surface of each data transmission line is provided with an auxiliary fixing device, one end of each data transmission line is provided with an acceleration sensor, one end of each acceleration sensor is provided with a magnetic chuck, a filter is arranged in the host machine body, one side of the filter is provided with a signal acquisition board, one side of the processor is provided with a memory, and the other side of the host machine body is provided with a display. According to the specific position of the acceleration sensor and the wiring position of the data transmission line, the auxiliary fixing device is magnetically attracted with the surface of the transformer through the magnetic attraction plate, so that the auxiliary fixing device is fixed with the transformer, and the auxiliary fixing device and the magnetic attraction plate bear shaking force and gravity of the data transmission line together, so that the acceleration sensor is more stable, and the accuracy of signal acquisition cannot be influenced due to shaking and gravity of the data transmission line.
Description
Technical Field
The utility model relates to the technical field of transformer on-line monitoring equipment, in particular to a vibration signal acquisition device for a transformer on-line monitoring device.
Background
At present, chinese patent with existing publication number CN215493875U discloses a mechanical fault diagnosis device based on transformer vibration and voiceprint visualization technology, including vibration voiceprint detection mechanism and acceleration sensor group, vibration voiceprint detection mechanism includes upper supporting rod and lower bracing piece, upper supporting rod bottom and lower bracing piece top are installed inside the energy-absorbing snubber block, upper supporting frame and lower bracing piece are installed respectively to upper supporting rod downside and lower bracing piece upside, the support is installed on the upper supporting rod top, the support top surface is installed worm and worm wheel through fixing base one and fixing base two rotation, worm wheel pivot both ends fixed connection's link top fixed connection detects the box bottom surface, worm can mesh drive the worm wheel rotation, thereby change the angle of detecting the box, energy-absorbing snubber block can connect upper supporting rod and lower bracing piece under the support of upper supporting frame and lower bracing piece, play the effect of energy-absorbing buffering simultaneously, reduce the harmful effects that ground vibrations caused to the diagnostic result by a wide margin, although the device has solved the influence of ground vibrations to the diagnostic result, but the device appears following defect simultaneously: the acceleration sensor group is connected with the transformer through the data transmission line, but the data transmission line is in a suspended state and is not fixed, and the acceleration sensor group can be changed in position due to shaking of the transformer during detection, so that the acceleration sensor group can not absorb the transformer seriously, and sensing data of the acceleration sensor group can be influenced.
Disclosure of Invention
The utility model aims to solve the problems and provide a vibration signal acquisition device for an on-line monitoring device of a transformer.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a vibration signal acquisition device for an online transformer monitoring device, which comprises a host machine body and is characterized in that one side of the host machine body is provided with eight detachable data transmission lines, the surface of each data transmission line is provided with an auxiliary fixing device, each auxiliary fixing device comprises a fixing ring and a magnetic attraction plate, two arc-shaped fixing blocks are arranged in each fixing ring, a movable connecting shaft is arranged in each fixing ring, the movable connecting shafts are movably connected with the two arc-shaped fixing blocks, one side of each arc-shaped fixing block is provided with a spring, the other side of each spring is connected with the inner side of each fixing ring, the top end of each fixing ring is penetrated by a sliding groove, the inside of each sliding groove is provided with a sliding rod, one end of each sliding rod is provided with a triangular sliding block, one side of each arc-shaped fixing block is provided with a chute, one end of each data transmission line is provided with an acceleration sensor, one end of each acceleration sensor is provided with a magnetic attraction plate, one side of the host machine body is provided with a filter, one side of each filter is provided with a signal acquisition plate, one side of each signal acquisition plate is provided with a processor, and one side of each processor is provided with a display.
As an optimized technical scheme of the vibration signal acquisition device for the transformer on-line monitoring device, the top end of the main machine body is provided with the placing groove, the top end of the placing groove is provided with the top cover, and the bottom end of the main machine body is provided with the roller.
As a preferable technical scheme of the vibration signal acquisition device for the transformer on-line monitoring device, the included angle of the two inclined grooves is smaller than the vertex angle of the triangular sliding block.
As an optimized technical scheme of the vibration signal acquisition device for the transformer on-line monitoring device, the sliding rod penetrates through the sliding groove to the outer side of the fixed ring, and a pressing block is arranged at the other end of the sliding rod.
As a preferable technical scheme of the vibration signal acquisition device for the transformer on-line monitoring device, two arc-shaped fixed blocks form a circular ring, and the diameter of the circular ring is matched with the diameter of a data transmission line.
As an optimized technical scheme of the vibration signal acquisition device for the transformer on-line monitoring device, the acceleration sensor is electrically connected with the filter, the filter is electrically connected with the signal acquisition board, the signal acquisition board is electrically connected with the display, and the processor is electrically connected with the memory and the signal acquisition board.
As a preferable technical scheme of the vibration signal acquisition device for the transformer on-line monitoring device, one side of the main machine body is provided with a signal transmission interface.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the auxiliary fixing device is magnetically attracted with the surface of the transformer through the magnetic attraction plate according to the specific position of the acceleration sensor and the wiring position of the data transmission line, so that the auxiliary fixing device is fixed with the transformer, and the auxiliary fixing device and the magnetic attraction plate bear the shaking force and the gravity of the data transmission line together, so that the acceleration sensor is more stable, and the accuracy of signal acquisition is not influenced by the shaking and the gravity of the data transmission line.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is one of the overall structural schematic of the present utility model;
FIG. 2 is a second schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic plan view of a main body of the present utility model;
FIG. 4 is a schematic plan view of an auxiliary fixing device according to the present utility model;
FIG. 5 is a block diagram of the present utility model;
in the figure: 1. a main body; 2. a data transmission line; 3. an auxiliary fixing device; 4. an acceleration sensor; 5. a magnetic chuck; 6. a filter; 7. a signal acquisition board; 8. a display; 9. a fixing ring; 10. a magnetic suction plate; 11. an arc-shaped fixed block; 12. a movable connecting shaft; 13. a spring; 14. a sliding groove; 15. a slide bar; 16. a triangular slide block; 17. a chute; 18. a placement groove; 19. a top cover; 20. a roller; 21. briquetting; 22. a transmission interface; 23. a processor; 24. a memory.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Wherein like reference numerals refer to like elements throughout.
Example 1
As shown in fig. 1-5, the utility model discloses a vibration signal acquisition device for an on-line monitoring device of a transformer, which comprises a main machine body 1 and is characterized in that one side of the main machine body 1 is provided with eight detachable data transmission lines 2, the surface of each data transmission line 2 is provided with an auxiliary fixing device 3, each auxiliary fixing device 3 comprises a fixing ring 9 and a magnetic suction plate 10, two arc-shaped fixing blocks 11 are arranged in each fixing ring 9, a movable connecting shaft 12 is arranged in each fixing ring 9, each movable connecting shaft 12 is movably connected with the two arc-shaped fixing blocks 11, one side of each arc-shaped fixing block 11 is provided with a spring 13, the other side of each spring 13 is connected with the inner side of the corresponding fixing ring 9, the top end of each fixing ring 9 is penetrated and provided with a sliding groove 14, the inner side of each sliding groove 14 is provided with a sliding rod 15, one end of each sliding rod 15 is provided with a triangular sliding block 16, one side of each arc-shaped fixing block 11 is provided with a chute 17, one end of each data transmission line 2 is provided with an acceleration sensor 4, one end of each acceleration sensor 4 is provided with a magnetic suction plate 5, the inner side of the main machine 1 is provided with a filter 6, one side of each filter 6 is provided with a signal acquisition plate 7, one side of each filter 7 is provided with a signal acquisition plate 23, and one side of the main machine body 1 is provided with a processor 23.
Further, the top of the host machine body 1 is provided with a placing groove 18, the top of the placing groove 18 is provided with a top cover 19, the bottom of the host machine body 1 is provided with a roller 20, when the device is idle, a data transmission line and the host machine body can be detached to be placed in the placing groove 18, and the roller 20 facilitates the movement of the device.
The acceleration sensor 4 is electrically connected with the filter 6, the filter 6 is electrically connected with the signal acquisition board 7, the signal acquisition board 7 is electrically connected with the display 8, the processor 23 is electrically connected with the memory 24 and the signal acquisition board 7, the normal wave rate of the transformer is stored in the memory 24, the vibration signal of the transformer received by the acceleration sensor 4 is transmitted to the filter 6, the filter 6 filters the vibration wave rate of the fan rotating and the vibration wave rate of the ground vibration, the filtered wave rate is transmitted to the inside of the signal acquisition board 7, the wave rate is converted into a digital signal to be displayed on the display 8, and the processor 23 displays abnormal conditions on the display 8 when the wave rate is large compared with the normal wave rate of the transformer stored in the memory 24.
One side of the host machine body 1 is provided with a signal transmission interface 22, and the transmission interface 22 is connected with a data line and can be connected with a computer to transmit data into the computer so as to facilitate user data analysis.
The included angle of the two inclined grooves 17 is smaller than the vertex angle of the triangular slide block 16, when the triangular slide block 16 is pressed downwards, the triangular slide block 16 can slide along the two inclined grooves 17, and at the moment, the two arc-shaped fixed blocks can rotate along the movable connecting shaft 12.
The slide bar 15 runs through the slide groove 14 to the outer side of the fixed ring 9, the other end of the slide bar 15 is provided with a pressing block 21, and the pressing block 21 is convenient for a user to press the slide bar 15 downwards, so that the slide bar 15 slides along the direction of the slide groove 14.
The two arc-shaped fixing blocks 11 form a circular ring, the diameter of the circular ring is matched with the diameter of the data transmission line 2, when the two arc-shaped fixing blocks 11 are completely combined, the data transmission line 2 is fixed, and when the two arc-shaped fixing blocks 11 are rotated and separated along the movable connecting shaft 12, the data transmission line 2 is movably connected with the auxiliary fixing device 3.
Specifically, the normal wave rate of the transformer is stored in the memory 24, when the device is used, the magnetic chuck 5 is adsorbed on the surface of the transformer, 8 acceleration sensors are arranged around the transformer, the vibration signals of the transformer received by the acceleration sensors 4 are transmitted to the filter 6, the filter 6 filters the vibration wave rate of the fan rotation and the vibration wave rate of the ground vibration, the filtered wave rate is transmitted to the inside of the signal acquisition board 7, the wave rate is converted into a digital signal to be displayed on the display 8, the processor 23 displays abnormal conditions on the display 8 when the situation that the wave rate is large is compared with the normal wave rate of the transformer stored in the memory 24, and the eight acceleration sensors 4 are attached to the surface of the transformer by the magnetic chuck 5 around the transformer, according to the specific position of the acceleration sensor 4 and the wiring position of the data transmission line, the auxiliary fixing device 3 is magnetically attracted with the surface of the transformer through the magnetic attraction plate 10, so that the auxiliary fixing device 3 is fixed with the transformer, the auxiliary fixing device 3 and the magnetic attraction plate 5 bear shaking force and gravity of the data transmission line together, the acceleration sensor 4 is more stable, when the auxiliary fixing device 3 needs to be regulated, the pressing block 21 is pressed down, the pressing block 21 drives the sliding rod 15 to downwards press, the sliding rod 15 slides along the direction of the sliding groove 14, the triangular sliding block 16 is driven to downwards move, the triangular sliding block 16 slides along the two chute 17, at the moment, the two arc-shaped fixing blocks rotate along the movable connecting shaft 12, at the moment, the data transmission line 2 movably connects the auxiliary fixing device 3, the auxiliary fixing device 3 is regulated to a proper position to be adsorbed with the transformer shell, the pressing block 21 is released, the spring 13 releases the spring force at this time so that the two arc-shaped fixing blocks 11 clamp the data transmission line 2.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a vibration signal acquisition device for transformer on-line monitoring device, includes host computer fuselage (1), its characterized in that, one side of host computer fuselage (1) is provided with eight detachable data transmission lines (2), the surface of data transmission lines (2) is provided with auxiliary fixing device (3), auxiliary fixing device (3) are including solid fixed ring (9) and magnetic attraction board (10), the inside of solid fixed ring (9) is provided with two arc type fixed blocks (11), the inside of solid fixed ring (9) is provided with swing joint axle (12), swing joint axle (12) and two equal swing joint of arc type fixed blocks (11), two one side of arc type fixed blocks (11) is provided with spring (13), the opposite side of spring (13) is connected with the inboard of solid fixed ring (9), the top of solid fixed ring (9) is run through and is opened and is had sliding groove (14), the inside of sliding groove (14) is provided with slide bar (15), the one end of slide bar (15) is provided with triangle slider (16), one end of slide bar (11) is provided with acceleration sensor (4) one side of magnetic attraction board (4), the novel multifunctional portable computer is characterized in that a filter (6) is arranged in the host machine body (1), a signal acquisition board (7) is arranged on one side of the filter (6), a processor (23) is arranged on one side of the signal acquisition board (7), a memory (24) is arranged on one side of the processor (23), and a display (8) is arranged on the other side of the host machine body (1).
2. The vibration signal acquisition device for the transformer on-line monitoring device according to claim 1, wherein a placing groove (18) is formed in the top end of the main machine body (1), a top cover (19) is arranged on the top end of the placing groove (18), and a roller (20) is arranged at the bottom end of the main machine body (1).
3. Vibration signal acquisition device for an on-line monitoring device of transformers according to claim 1, characterized in that the angle between two of said chute (17) is smaller than the apex angle of the triangular slide (16).
4. The vibration signal acquisition device for the transformer on-line monitoring device according to claim 1, wherein the sliding rod (15) penetrates through the sliding groove (14) to the outer side of the fixed ring (9), and a pressing block (21) is arranged at the other end of the sliding rod (15).
5. Vibration signal acquisition device for an on-line monitoring device of transformers according to claim 1, characterized in that two of said arc-shaped fixed blocks (11) form a ring, the diameter of which ring matches the diameter of the data transmission line (2).
6. The vibration signal acquisition device for the transformer on-line monitoring device according to claim 1, wherein the acceleration sensor (4) is electrically connected with the filter (6), the filter (6) is electrically connected with the signal acquisition board (7), the signal acquisition board (7) is electrically connected with the display (8), and the processor (23) is electrically connected with the memory (24) and the signal acquisition board (7).
7. The vibration signal acquisition device for the transformer on-line monitoring device according to claim 1, wherein a signal transmission interface (22) is arranged on one side of the main machine body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320469844.5U CN219737657U (en) | 2023-03-13 | 2023-03-13 | Vibration signal acquisition device for transformer on-line monitoring device |
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CN202320469844.5U CN219737657U (en) | 2023-03-13 | 2023-03-13 | Vibration signal acquisition device for transformer on-line monitoring device |
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CN219737657U true CN219737657U (en) | 2023-09-22 |
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CN202320469844.5U Active CN219737657U (en) | 2023-03-13 | 2023-03-13 | Vibration signal acquisition device for transformer on-line monitoring device |
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