CN208818331U - A kind of transformer online monitoring device based on vibration - Google Patents
A kind of transformer online monitoring device based on vibration Download PDFInfo
- Publication number
- CN208818331U CN208818331U CN201821823568.3U CN201821823568U CN208818331U CN 208818331 U CN208818331 U CN 208818331U CN 201821823568 U CN201821823568 U CN 201821823568U CN 208818331 U CN208818331 U CN 208818331U
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- unit
- shell
- transformer
- power supply
- monitoring device
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Abstract
The utility model discloses a kind of transformer online monitoring device based on vibration, including flat shell, acceleration transducer is provided on the side wall of shell, single-chip microcontroller is provided in shell, power supply, SD card and sender unit, display unit is provided on the front panel of shell, alarm unit, indicating unit and operating unit, operating unit is connected between power supply and single-chip microcontroller, the output end of the input terminal connection acceleration transducer of single-chip microcontroller, the output end of single-chip microcontroller respectively with display unit, alarm unit, indicating unit, SD card is connected with the controlled end of sender unit.The utility model is mounted on transformer surface, does not influence the normal operation of transformer, has biggish practicability；The operating status of transformer is judged by monitoring the shock conditions in the operation of the transformer, provides foundation to discovery transformer defect ahead of time.
Description
Technical field
The utility model relates to transformer technology field, especially a kind of transformer online monitoring device.
Background technique
Since 21 century, China's power construction enters fast-developing period, has made brilliant achievements.Wherein, power network development speed flies
Push ahead vigorously, capacity of installed generator increases substantially, and power transformer carries voltage transformation, electric energy distribution and transfer in the power system
Task as component devices most basic in electric system be the guarantee of power system security, reliability service.
However, transformer in During Process of Long-term Operation, is easy to appear failure and accident, from relation to the over the years of Accident of Transformer
As can be seen that transformer core and winding are the components for causing failure more in statistical result.The transformer equipment of early stage overhauls
The detection also only trouble hunting after transformer fault stoppage in transit using trouble hunting mode, to transformer core and winding state
Middle progress is the Passive Defence mode after a kind of failure occurs, belongs to offline inspection method, cannot discovery transformer defect ahead of time.
A kind of important means that the on-line monitoring of transformer core and basket vibration is overhauled as POWER SYSTEM STATE, to reduction transformer
Security risk, improve transformer operation level be of great significance.
Summary of the invention
The utility model technical issues that need to address are to provide a kind of transformer online monitoring device, by monitoring transformation
Shock conditions in device operational process judge the operating status of transformer, provide foundation to discovery transformer defect ahead of time.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
A kind of transformer online monitoring device based on vibration, including flat shell, be provided on the side wall of shell plus
Velocity sensor is provided with single-chip microcontroller, power supply, SD card and sender unit in shell, is provided on the front panel of shell
Display unit, alarm unit, indicating unit and operating unit, operating unit are connected between power supply and single-chip microcontroller, monolithic
Machine input terminal connection acceleration transducer output end, the output end of single-chip microcontroller respectively with display unit, alarm unit, instruction
Unit, SD card are connected with the controlled end of sender unit.
A convenience is respectively set at left and right sides of the shell in a kind of above-mentioned transformer online monitoring device based on vibration
Shell is mounted on the groove on tested transformer.
A kind of above-mentioned transformer online monitoring device based on vibration, the display unit include display screen, display screen packet
Include LCD circle display screen and LCD rectangular display screen；The alarm unit includes loudspeaker；The indicating unit includes that power supply refers to
Show that lamp, work light, malfunction indicator lamp and charging indicator light, operating unit are power switch.
A kind of above-mentioned transformer online monitoring device based on vibration, the power supply are supplied using rechargeable lithium battery
Electricity, rechargeable lithium battery power supply is arranged in shell, and the power-supply battery lid by being interlocked with shell is fixed.
Promising chargeable lithium electricity is arranged in the housing sidewall for a kind of above-mentioned transformer online monitoring device based on vibration
The USB charge port of pond charging.
Due to using above technical scheme, technological progress acquired by the utility model is as follows.
The utility model is mounted on transformer surface, does not influence the normal operation of transformer, has biggish practicability；It is logical
The operating status for monitoring the shock conditions in the operation of the transformer to judge transformer is crossed, discovery transformer defect ahead of time is mentioned
For foundation.The utility model hangs cover inspection relative to traditional, can save a large amount of human and material resources and time；Simultaneously also
Transformer before hanging cover inspection is avoided to stop transport and bring unstable situation to occur to operation of power networks.
Detailed description of the invention
Fig. 1 is the circuit block diagram of the utility model；
Fig. 2 is the surface view of the utility model；
Fig. 3 is the longitudinal section structural drawing of the utility model；
Fig. 4 is the schematic diagram of internal structure of the utility model；
Fig. 5 is the circuit diagram of display panel control circuit described in the utility model.
Wherein: 1. loudspeakers, 2.LCD circle display screen, 3. left grooves, 4. power supply indicators, 5. power switches, 6. work
Indicator light, 7. malfunction indicator lamp, 8.LCD rectangular display screen, 9. charging indicator lights, 10. acceleration transducers, 11. right grooves,
12.USB charge port, 13. power-supply battery lids, 14. single-chip microcontrollers.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
A kind of transformer online monitoring device based on vibration, including flat shell, be provided on the side wall of shell plus
Velocity sensor is provided with single-chip microcontroller, power supply, SD card and sender unit in shell, is provided on the front panel of shell
Display unit, alarm unit, indicating unit and operating unit, the connection relationship between each component is as shown in Figure 1, operating unit connects
It connects between power supply and single-chip microcontroller, the output end of the input terminal connection acceleration transducer of single-chip microcontroller, the output of single-chip microcontroller
End is connect with the controlled end of display unit, alarm unit, indicating unit, SD card and sender unit respectively.
Left groove 3 is offered on the left of shell, right side opening is equipped with right groove 4, as shown in Fig. 2, facilitating the utility model
It is installed on transformer, the Vibration Condition of transformer is detected.
Display unit includes display screen, and alarm unit includes loudspeaker 1, and indicating unit includes power supply indicator 4, working refers to
Show that lamp 6, malfunction indicator lamp 7 and charging indicator light 9, operating unit include power switch 5, above-mentioned each device is arranged at shell
Front panel on, as shown in Figure 2.Wherein, power switch 5 is used for the on-off of control device power supply, and power supply indicator 4 is used to indicate
Power work state, work light 6 are used to indicate the working condition of device, malfunction indicator lamp 7 and loudspeaker 1 for issuing event
Barrier alarm, charging indicator light 9 are then used to indicate charged state.
Display screen includes LCD circle display screen 2 and LCD rectangular display screen 8；LCD circle display screen 2 is joined for display portion
Whether number information and index are normal, and single-chip microcontroller is shown by LCD rectangular display screen 8 by after signal collection, is easy to implement man-machine friendship
Mutual function.LCD display in the present embodiment is connected by the output end of display panel control circuit and single-chip microcontroller, display screen control
The master chip of circuit uses RA8875 chip, and circuit diagram is as shown in Figure 5.
Power supply using rechargeable lithium battery power, rechargeable lithium battery power supply be arranged in shell, and by with shell
The power-supply battery lid 13 that body is interlocked is fixed.USB charge port 12 is provided in the housing sidewall of the utility model, as shown in figure 3,
For charging for rechargeable lithium battery, USB also can be used certainly and directly power.
Acceleration transducer is mounted on the side wall of shell, as shown in Figures 2 and 3, for the vibrational state to transformer
Real-time monitoring is carried out, and the data that will test are transferred to single-chip microcontroller by serial ports.In the present embodiment, acceleration transducer 10
Using JY901B acceleration transducer, have small in size, hardware spending is low, strong antijamming capability, feature with high accuracy, measures number
It is calibrated according to by software parameter, data strong antijamming capability.
Single-chip microcontroller is arranged in shell, for analyzing collected data spectrum, carries out feature extraction, judges all data
It is whether normal, and realize the control to whole device.The GPIO interface of single-chip microcontroller and the controlled end of loudspeaker 1 and LCD display
It is connected.In the present embodiment, single-chip microcontroller is 32 ARM microcontrollers, kernel Cortex-M4 makes using STM32F403 series
With large capacity chip and use 3 road USART serial ports, 3 road I2C port meets the acquisition of signal.
SD card and sender unit are arranged in shell, and wherein SD card is for storing single-chip microcontroller operation data；Signal hair
Device is sent then to be used to for the data after converting in single-chip microcontroller being transmitted to from the background, in the present embodiment, sender unit uses NRF24L01
Sender unit.
Transformer surface vibration signals can be considered by the multiple complex effects of the operation datas such as working voltage and load current
The multivariate time series of running state of transformer are characterized, the utility model is detected based on the transformer exception of multivariate time series and calculated
Method, by analyzing internal relation and rule between the multivariate time series, based on multivariate time series prediction and similarity point
Analysis design abnormality detection model, the vibrational state that can effectively detect transformer is abnormal, and then alarms.
Claims (5)
1. a kind of transformer online monitoring device based on vibration, it is characterised in that: including flat shell, on the side wall of shell
It is provided with acceleration transducer (10), is provided with single-chip microcontroller, power supply, SD card and sender unit in shell, before shell
Display unit, alarm unit, indicating unit and operating unit are provided on panel, operating unit is connected to power supply and monolithic
Between machine, the output end of the input terminal of single-chip microcontroller connection acceleration transducer, the output end of single-chip microcontroller respectively with display unit, report
Alert unit, indicating unit, SD card are connected with the controlled end of sender unit.
2. a kind of transformer online monitoring device based on vibration according to claim 1, it is characterised in that: the shell
The left and right sides be respectively set one and facilitate the groove being mounted on shell on tested transformer.
3. a kind of transformer online monitoring device based on vibration according to claim 1, it is characterised in that: the display
Unit includes display screen, and display screen includes LCD circle display screen (2) and LCD rectangular display screen (8)；The alarm unit includes
Loudspeaker (1)；The indicating unit includes that power supply indicator (4), work light (6), malfunction indicator lamp (7) and charging refer to
Show lamp (9), operating unit is power switch (5).
4. a kind of transformer online monitoring device based on vibration according to claim 1, it is characterised in that: the power supply
Power supply is powered using rechargeable lithium battery, and rechargeable lithium battery power supply is arranged in shell, and the electricity by being interlocked with shell
Source battery lid (13) is fixed.
5. a kind of transformer online monitoring device based on vibration according to claim 4, it is characterised in that: the shell
The USB charge port (12) of promising rechargeable lithium battery charging is set on side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821823568.3U CN208818331U (en) | 2018-11-07 | 2018-11-07 | A kind of transformer online monitoring device based on vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821823568.3U CN208818331U (en) | 2018-11-07 | 2018-11-07 | A kind of transformer online monitoring device based on vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818331U true CN208818331U (en) | 2019-05-03 |
Family
ID=66280617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821823568.3U Expired - Fee Related CN208818331U (en) | 2018-11-07 | 2018-11-07 | A kind of transformer online monitoring device based on vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657990A (en) * | 2019-10-31 | 2020-01-07 | 上海斯可络压缩机有限公司 | Online monitoring scheme for motor of screw compressor |
-
2018
- 2018-11-07 CN CN201821823568.3U patent/CN208818331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657990A (en) * | 2019-10-31 | 2020-01-07 | 上海斯可络压缩机有限公司 | Online monitoring scheme for motor of screw compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20191107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |