CN218847399U - Power transformer vibration detection device - Google Patents
Power transformer vibration detection device Download PDFInfo
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- CN218847399U CN218847399U CN202222619924.2U CN202222619924U CN218847399U CN 218847399 U CN218847399 U CN 218847399U CN 202222619924 U CN202222619924 U CN 202222619924U CN 218847399 U CN218847399 U CN 218847399U
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- power transformer
- detection device
- support cylinder
- cavity structure
- vibration detection
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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
Abstract
The utility model provides a power transformer vibration detection device, include: the device comprises a signal processing unit, a wireless transmission unit, a detection terminal, a noise sensor and a sensing support cylinder; the sensing support cylinder is made of sound insulation materials; one end of the sensing support cylinder is attached to and connected with the shell of the transformer to be tested; the sensing support cylinder is internally provided with a cavity structure; the noise sensor is arranged in the cavity structure; one end of the cavity structure is communicated with the shell of the transformer to be tested; the cavity structure is used for conducting sound waves generated by the transformer to be tested; the noise sensor is used for acquiring a noise signal of the transformer to be detected; the signal processing unit is connected with the noise sensor, and the detection terminal is connected with the signal processing unit through the wireless transmission unit. The utility model discloses can improve the accurate degree that power transformer vibration detected.
Description
Technical Field
The utility model relates to a power equipment fault detection technical field especially relates to a power transformer vibration detection device.
Background
The power transformer is an important device in the operation of a power system, and once a fault occurs, the production operation of a factory and the daily life of residents are greatly influenced, a large amount of maintenance time and materials of equipment maintenance personnel are consumed, so that the real-time monitoring of the working state of the transformer is of great significance to the operation of the power system.
Since the power transformer leaves the factory, the compression degree of the iron core and the winding of the power transformer is gradually reduced along with the insulation aging and partial short circuit accidents after transportation, installation and operation, and even more obvious iron core looseness and winding deformation can occur, so that the power transformer vibrates in the operation process. Therefore, by monitoring the vibration of the transformer winding and the iron core in real time and measuring the displacement of the winding and the iron core, a worker can find out possible abnormity of the transformer in advance and perform routine maintenance, the service life of the transformer is prolonged, and the operation cost is reduced.
In the prior art, a piezoelectric film sensor is arranged on an iron core of a power transformer, a laser displacement sensor is arranged on a base of the iron core of the transformer, and emitted light of the laser displacement sensor points to the iron core of the transformer, so that a vibration signal of the transformer is acquired, and the vibration of the power transformer is detected. However, the detection accuracy is not high, and the internal minute vibration of the power transformer cannot be accurately detected.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a power transformer vibration detection device.
In order to achieve the above object, the utility model provides a following scheme:
a power transformer vibration detection apparatus comprising: the device comprises a signal processing unit, a wireless transmission unit, a detection terminal, a plurality of noise sensors and a sensing support cylinder;
the sensing supporting cylinder is made of sound insulation materials; one end of the sensing support cylinder is attached to and connected with the shell of the transformer to be tested; the sensing support cylinder is internally provided with a cavity structure; the noise sensor is arranged in the cavity structure; one end of the cavity structure is communicated with the shell of the transformer to be tested; the cavity structure is used for conducting sound waves generated by the transformer to be tested; the noise sensor is used for acquiring a noise signal of the transformer to be detected; the signal processing unit is connected with the noise sensor, and the detection terminal is connected with the signal processing unit through the wireless transmission unit.
Preferably, the sound insulation material comprises a sound absorption decorative plate, a steel wire mesh rack polyphenyl plate or a vibration damping plate.
Preferably, the noise sensor is disposed in the cavity structure near one end of the housing.
Preferably, the wireless transmission unit is any one of a GPRS wireless transmission module, a 5G communication module or a WIFI communication module.
Preferably, the signal processing unit includes a signal amplifier, a signal isolation module, a signal filtering module and an AD conversion module, which are connected in sequence.
Preferably, a display unit is further included;
the display unit is connected with the detection terminal and used for visually displaying the detection result of the detection terminal.
Preferably, the device further comprises an alarm unit; the alarm unit is connected with the detection terminal and is used for performing sound-light alarm according to the detection result.
And a closed cover plate is arranged on the sensing support cylinder, and when the closed cover plate is opened, the noise sensor can be placed in the cavity structure.
The noise sensor is connected with the signal processing unit through a transmission lead.
One bottom surface of the sensing support cylinder is attached to the shell of the transformer to be tested, and the other bottom surface of the sensing support cylinder is of a closed structure, so that the inside of the sensing support cylinder forms a cavity structure.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model provides a power transformer vibration detection device, include: the device comprises a signal processing unit, a wireless transmission unit, a detection terminal, a plurality of noise sensors and a sensing support cylinder; the sensing support cylinder is made of sound insulation materials; one end of the sensing support cylinder is attached to and connected with the shell of the transformer to be tested; the sensing support cylinder is internally provided with a cavity structure; the noise sensor is arranged in the cavity structure; one end of the cavity structure is communicated with the shell of the transformer to be tested; the cavity structure is used for conducting sound waves generated by the transformer to be tested; the noise sensor is used for acquiring a noise signal of the transformer to be detected; the signal processing unit is connected with the noise sensor, and the detection terminal is connected with the signal processing unit through the wireless transmission unit. The utility model discloses a noise sensor acquires the noise signal when transformer vibrates to detect power transformer's vibration, improved the accurate degree that power transformer vibrates to detect.
Drawings
Fig. 1 is a schematic structural diagram of a power transformer vibration detection device provided by an embodiment of the present invention.
In the figure: the method comprises the following steps of 1-a transformer to be detected, 2-a sensing supporting cylinder, 3-a noise sensor, 4-a cavity structure, 5-a signal processing unit, 6-a wireless transmission unit and 7-a detection terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, the inclusion of a list of steps, processes, methods, etc. is not limited to only those steps recited, but may alternatively include additional steps not recited, or may alternatively include additional steps inherent to such processes, methods, articles, or devices.
The utility model aims at providing a power transformer vibration detection device can improve the accurate degree that power transformer vibration detected.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is the embodiment of the utility model provides a power transformer vibration detection device's structure schematic diagram, as shown in fig. 1, the utility model provides a power transformer vibration detection device, include: the device comprises a signal processing unit 5, a wireless transmission unit 6, a detection terminal 7, a plurality of noise sensors 3 and a sensing support cylinder 2.
The sensing support cylinder 2 is made of sound insulation materials; one end of the sensing support cylinder 2 is attached to and connected with the shell of the transformer 1 to be tested; the sensing support cylinder 2 is internally provided with a cavity structure 4; the noise sensor 3 is arranged in the cavity structure 4; one end of the cavity structure 4 is communicated with the shell of the transformer 1 to be tested; the cavity structure 4 is used for conducting sound waves generated by the transformer 1 to be tested; the noise sensor 3 is used for collecting a noise signal of the transformer 1 to be detected; the signal processing unit 5 is connected with the noise sensor 3, and the detection terminal 7 is connected with the signal processing unit 5 through the wireless transmission unit 6.
Wherein, this embodiment installs noise sensor 3 in sensing support cylinder 2, sensing support cylinder 2 can completely cut off outside sound, a bottom surface laminating in of sensing support cylinder 2 awaits measuring transformer 1's shell, another bottom surface is enclosed construction to its inside constitution is one cavity structure 4, noise sensor 3 in the cavity structure 4 can receive the vibration sound wave that awaits measuring transformer 1's surface produced, thereby has avoided the interference of the sound wave of outside air propagation.
Preferably, the sound insulation material comprises a sound absorption decorative plate, a steel wire mesh rack polyphenyl plate or a vibration damping plate.
Preferably, the noise sensor 3 is arranged in the cavity structure 4 near one end of the housing.
Further, a closing cover plate is arranged on the sensing support cylinder 2, and when the closing cover plate is opened, the noise sensor 3 can be placed in the cavity structure 4.
Preferably, the wireless transmission unit 6 is any one of a GPRS wireless transmission module, a 5G communication module or a WIFI communication module.
Optionally, the present embodiment further includes a transmission wire, and the noise sensor 3 is connected to the signal processing unit 5 through the transmission wire.
Preferably, the signal processing unit 5 includes a signal amplifier, a signal isolation module, a signal filtering module and an AD conversion module, which are connected in sequence.
Preferably, a display unit is further included; the display unit is connected with the detection terminal 7, and the display unit is used for visually displaying the detection result of the detection terminal 7.
Preferably, the device further comprises an alarm unit; the alarm unit is connected with the detection terminal 7 and is used for performing sound-light alarm according to the detection result.
The working flow in this embodiment is as follows:
the noise sensor 3 detects real-time vibration of the transformer 1 (iron core or other parts) to be detected, the signal processing unit 5 amplifies, isolates, filters and converts analog signals through an internal circuit, digitized signals are transmitted to the wireless transmission unit 6, the detection terminal 7 receives wireless transmission data, the display unit can display real-time vibration and displacement data, and through setting, when the data are abnormal, the alarm unit gives an alarm to remind a worker of performing field inspection and maintenance.
The utility model has the advantages as follows:
the utility model discloses a noise sensor acquires the noise signal when transformer vibrates to detect power transformer's vibration, improved the accurate degree that power transformer vibrates to detect.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A power transformer vibration detection device, comprising: the device comprises a signal processing unit, a wireless transmission unit, a detection terminal, a plurality of noise sensors and a sensing support cylinder;
the sensing support cylinder is made of sound insulation materials; one end of the sensing support cylinder is attached to and connected with the shell of the transformer to be tested; the sensing support cylinder is internally provided with a cavity structure; the noise sensor is arranged in the cavity structure; one end of the cavity structure is communicated with the shell of the transformer to be tested; the cavity structure is used for conducting sound waves generated by the transformer to be tested; the noise sensor is used for acquiring a noise signal of the transformer to be detected; the signal processing unit is connected with the noise sensor, and the detection terminal is connected with the signal processing unit through the wireless transmission unit.
2. The power transformer vibration detection device of claim 1, wherein the sound insulation material comprises a sound absorption decoration board, a steel wire mesh polystyrene board or a vibration damping board.
3. The power transformer vibration detection device of claim 1, wherein the noise sensor is disposed in the cavity structure near one end of the housing.
4. The power transformer vibration detection device according to claim 1, wherein the wireless transmission unit is any one of a GPRS wireless transmission module, a 5G communication module or a WIFI communication module.
5. The power transformer vibration detection device according to claim 1, wherein the signal processing unit comprises a signal amplifier, a signal isolation module, a signal filtering module and an AD conversion module which are connected in sequence.
6. The power transformer vibration detection device according to claim 1, further comprising a display unit;
the display unit is connected with the detection terminal and used for visually displaying the detection result of the detection terminal.
7. The power transformer vibration detection device according to claim 1, further comprising an alarm unit; the alarm unit is connected with the detection terminal and is used for performing sound-light alarm according to the detection result.
8. The power transformer vibration detection device of claim 1, wherein a closure cover is provided on the sensing support cylinder, the closure cover being capable of placing the noise sensor in the cavity structure when opened.
9. The power transformer vibration detection device of claim 1, wherein the noise sensor is connected to the signal processing unit through a transmission wire.
10. The power transformer vibration detection device according to claim 1, wherein one bottom surface of the sensing support cylinder is attached to the housing of the transformer to be detected, and the other bottom surface is a closed structure, so that the inside of the sensing support cylinder forms a cavity structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222619924.2U CN218847399U (en) | 2022-09-30 | 2022-09-30 | Power transformer vibration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222619924.2U CN218847399U (en) | 2022-09-30 | 2022-09-30 | Power transformer vibration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218847399U true CN218847399U (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222619924.2U Active CN218847399U (en) | 2022-09-30 | 2022-09-30 | Power transformer vibration detection device |
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| Country | Link |
|---|---|
| CN (1) | CN218847399U (en) |
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2022
- 2022-09-30 CN CN202222619924.2U patent/CN218847399U/en active Active
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