CN215811620U - Multichannel bearing state remote monitoring device - Google Patents
Multichannel bearing state remote monitoring device Download PDFInfo
- Publication number
- CN215811620U CN215811620U CN202120958715.3U CN202120958715U CN215811620U CN 215811620 U CN215811620 U CN 215811620U CN 202120958715 U CN202120958715 U CN 202120958715U CN 215811620 U CN215811620 U CN 215811620U
- Authority
- CN
- China
- Prior art keywords
- data
- module
- sensor
- upper computer
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a multichannel bearing state remote monitoring device, which comprises a data acquisition module, a data preprocessing module, an upper computer and a display module, wherein the data acquisition module is used for acquiring data; the data acquisition module is a plurality of composite sensors; the data preprocessing module comprises a channel switching circuit, a signal conversion unit and a signal processing unit; the wireless communication module is used for transmitting the sensor data file obtained by the data preprocessing module to an upper computer and receiving an instruction of the server to control the data acquisition module to acquire data at regular time; the upper computer is used for analyzing the received sensor data file and prompting abnormality; and the display module is used for receiving and displaying the abnormal prompt of the upper computer. The device of the utility model separately designs the data preprocessing module and the sensor, is beneficial to the miniaturization of the sensor, is convenient for installation and use in a narrow space, simultaneously reduces the interference to a tested system and also reduces the manufacturing cost of a single sensor.
Description
Technical Field
The utility model belongs to the technical field of automation, and particularly relates to a multi-channel bearing state remote monitoring device.
Background
The reliability of the bearing, which is a critical component of the rotating mechanical equipment, is critical, and the bearing can damage the stable running state of the equipment in case of failure, and even cause great loss of the related equipment and endanger the personal safety in case of serious failure. Under ideal conditions, the rolling bearing has a long service life, but due to factors such as installation error, poor lubrication, excessive load and the like, only about one tenth of the bearing can achieve the expected service life. Since the severity of a bearing failure is developed exponentially and progresses more rapidly towards the later stages, finding and handling early failures is particularly important for safe operation of the equipment.
At present, the bearing state of mechanical equipment is generally checked in a manual inspection mode, the inspection personnel experience is greatly depended on, the missed inspection and the false inspection are easy to occur, and the serious fault is caused by missing the optimal processing time. Although various detection instruments are available, the finally acquired vibration signal is influenced by factors such as a transmission path, a sensor installation error, gaps of elements for transmitting vibration, and inherent vibration of a monitoring part, so that a fault signal is complex and unstable. Especially, early failure is affected by load change, lubrication condition and other factors, and sometimes occurs, sometimes strong and sometimes weak, which requires all-weather timing detection. The appearance of the technology of the Internet of things provides a technical basis for the remote automatic detection of the bearing state. Common wireless vibration detecting system in the existing market generally makes host computer and sensor into the integration, compact structure like this, convenient to use, but simultaneously because whole volume is great, be not convenient for install in narrow and small space, its weight also can produce certain influence to system under test simultaneously, every measurement station all needs one in addition, and required cost is higher when the multiple spot detects simultaneously. If the host and the sensor are separately designed, the sensor is miniaturized, the sensor is convenient to install and use in a narrow space, and meanwhile, the interference to a tested system is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multi-channel bearing state remote monitoring device.
The technical scheme for solving the problems comprises the following steps: a multi-channel bearing state remote monitoring device comprises a data acquisition module, a data preprocessing module, an upper computer and a display module;
the data acquisition module is a plurality of small composite sensors, and the small composite sensors comprise acceleration sensors for acquiring vibration acceleration of the bearing, sound sensors for acquiring running sound signals of the bearing and temperature sensors for acquiring surface temperature of the bearing;
the data preprocessing module comprises a channel switching circuit, a signal conversion unit and a signal processing unit;
the channel switching circuit is used for automatically switching to an undetected sensor channel after data acquisition and detection of the small composite sensor are finished;
the signal conversion unit is a digital-to-analog conversion circuit and is used for converting the acquired vibration acceleration digital signals into analog signals;
the signal processing unit is used for extracting the mean square value and kurtosis value of the vibration acceleration analog signal and the sound signal and compressing the vibration acceleration analog signal and the sound signal data into an audio file;
the wireless communication module is used for transmitting the sensor data file obtained by the data preprocessing module to an upper computer and receiving an instruction of the server to control the data acquisition module to acquire data at regular time;
the upper computer is used for analyzing the received sensor data file and prompting abnormality;
the display module is used for receiving and displaying the abnormal prompt of the upper computer; the display module comprises a computer display end and a mobile intelligent terminal.
According to the scheme, the chip adopted by the signal processing unit for extracting the mean square value and the kurtosis value of the vibration acceleration analog signal and the sound signal is STM32F301K6U 6.
According to the scheme, a chip used for compressing the audio file in the signal processing unit is WM8983 GEFL.
According to the scheme, the upper computer middle analysis chip is STM32F405RGT 6.
According to the scheme, the data acquisition module is connected with the data preprocessing module through Bluetooth.
The working principle of the device is as follows: the device of the utility model regularly collects bearing information including vibration acceleration, acoustic signals and temperature through the sensor, then preprocesses the data, and then sets a related alarm mechanism to realize the alarm prompt of data abnormity.
The device of the utility model has the following beneficial effects:
1. the device of the utility model separately designs the data preprocessing module and the sensor, is beneficial to the miniaturization of the sensor, is convenient for installation and use in a narrow space, simultaneously reduces the interference to a tested system and also reduces the manufacturing cost of a single sensor;
2. the sensor of the device is a small composite sensor, integrates an acceleration sensor, a sound sensor and a temperature sensor of the vibration acceleration of the bearing, and enables the early warning result to be more accurate by integrating a plurality of monitoring signals;
3. the sensor of the device is used for the normalized remote monitoring, the timing cycle detection can be realized after the sensor is installed and set once, the detection result is pushed to a user through the platform and the mobile phone end, the automatic timing accurate detection is realized, and the labor cost is saved.
Drawings
FIG. 1 is a schematic diagram of the structure of an apparatus according to an embodiment of the present invention;
fig. 2 is a schematic illustration of the installation of the apparatus of one embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 and 2, a multichannel bearing state remote monitoring device comprises a data acquisition module, a data preprocessing module, a wireless communication module, an upper computer and a display module;
the data acquisition module is wirelessly connected with the data preprocessing module through WiFi, and the data preprocessing module is connected with the upper computer through Ethernet;
the data acquisition module is a plurality of small composite sensors, one is arranged on each bearing to be monitored, and each small composite sensor comprises an acceleration sensor for acquiring vibration acceleration of the bearing, a sound sensor for acquiring running sound signals of the bearing and a temperature sensor for acquiring surface temperature of the bearing;
the data preprocessing module comprises a channel switching circuit, a signal conversion unit, a signal processing unit and a memory;
the channel switching circuit is used for automatically switching to an undetected sensor channel after data acquisition and detection of the small composite sensor are finished;
the signal conversion unit is a digital-to-analog conversion circuit and is used for converting the acquired vibration acceleration digital signals into analog signals;
the signal processing unit is used for extracting the mean square value and kurtosis value of the vibration acceleration analog signal and the sound signal and compressing the vibration acceleration analog signal and the sound signal data into an audio file;
the wireless communication module is used for transmitting the sensor data file obtained by the data preprocessing module to an upper computer and receiving an instruction of the server to control the data acquisition module to acquire data at regular time;
the upper computer is used for analyzing the received sensor data file and prompting abnormality;
the display module is used for receiving and displaying the abnormal prompt of the upper computer; the display module comprises a computer display end and a mobile intelligent terminal.
In this embodiment, the chip used in the signal processing unit to extract the mean square value and the kurtosis value of the vibration acceleration analog signal and the acoustic signal is STM32F301K6U 6.
In this embodiment, the chip used for compressing the audio file in the signal processing unit is WM8983 GEFL.
In this embodiment, the upper computer middle resolution chip is STM32F405RGT 6.
Claims (6)
1. A multi-channel bearing state remote monitoring device is characterized by comprising a data acquisition module, a data preprocessing module, a wireless communication module, an upper computer and a display module;
the data acquisition module is a plurality of composite sensors, and the composite sensors comprise acceleration sensors for acquiring vibration acceleration of the bearing, sound sensors for acquiring running sound signals of the bearing and temperature sensors for acquiring surface temperature of the bearing;
the data preprocessing module comprises a channel switching circuit, a signal conversion unit and a signal processing unit;
the channel switching circuit is used for automatically switching to an undetected sensor channel after the data acquisition and detection of the composite sensor are finished;
the signal conversion unit is a digital-to-analog conversion circuit and is used for converting the acquired vibration acceleration digital signals into analog signals;
the signal processing unit is used for extracting the mean square value and kurtosis value of the vibration acceleration analog signal and the sound signal and compressing the vibration acceleration analog signal and the sound signal data into an audio file;
the wireless communication module is used for transmitting the sensor data file obtained by the data preprocessing module to an upper computer and receiving an instruction of the server to control the data acquisition module to acquire data at regular time;
the upper computer is used for analyzing the received sensor data file and prompting abnormality;
the display module is used for receiving and displaying the abnormal prompt of the upper computer; the display module comprises a computer display end and a mobile intelligent terminal.
2. A multi-channel remote monitoring device for bearing state according to claim 1, wherein the chip used in the signal processing unit for extracting the mean square value and kurtosis value of the vibration acceleration analog signal and the sound signal is STM32F301K6U 6.
3. The multi-channel remote monitoring device for the bearing state, as claimed in claim 1, wherein the chip used for compressing the audio file in the signal processing unit is WM8983 GEFL.
4. The multi-channel remote monitoring device for the bearing state according to claim 1, wherein a resolving chip adopted in the upper computer is STM32F405RGT 6.
5. A multi-channel remote bearing condition monitoring device as claimed in claim 1 wherein the compound sensor is mounted on the surface of the bearing to be measured.
6. The multi-channel remote monitoring device for the bearing state according to claim 1, wherein the data acquisition module and the data preprocessing module are in 2.4G wireless connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958715.3U CN215811620U (en) | 2021-05-07 | 2021-05-07 | Multichannel bearing state remote monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958715.3U CN215811620U (en) | 2021-05-07 | 2021-05-07 | Multichannel bearing state remote monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215811620U true CN215811620U (en) | 2022-02-11 |
Family
ID=80172428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120958715.3U Active CN215811620U (en) | 2021-05-07 | 2021-05-07 | Multichannel bearing state remote monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215811620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114553925A (en) * | 2022-02-22 | 2022-05-27 | 天津铁安智能科技有限公司 | Data analysis forwarding device of socket box intelligent monitoring system |
-
2021
- 2021-05-07 CN CN202120958715.3U patent/CN215811620U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114553925A (en) * | 2022-02-22 | 2022-05-27 | 天津铁安智能科技有限公司 | Data analysis forwarding device of socket box intelligent monitoring system |
| CN114553925B (en) * | 2022-02-22 | 2024-04-09 | 天津博优智能科技有限公司 | Data analysis forwarding device of socket box intelligent monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3605036B1 (en) | Vibration analyser, and machine component diagnosis system | |
| CN103364698A (en) | Detection method for rapidly positioning local discharge of GIS (geographic information system) by using ultrasonic testing technology | |
| CN110873604A (en) | Transformer noise vibration on-line monitoring system | |
| CN103675532A (en) | GIS (gas insulated switchgear) fault diagnosis device and GIS fault diagnosis method | |
| CN215811620U (en) | Multichannel bearing state remote monitoring device | |
| KR20090065694A (en) | Apparatus and method of wireless measurement for structural monitoring | |
| CN105136278A (en) | Bearing system acoustic fault detection device | |
| CN111983295A (en) | Equipment fault prediction method and system | |
| CN111006718A (en) | Intelligent motor monitoring system and method | |
| CN107884737A (en) | The live capacitive apparatus on-line monitoring check system and method for wireless high-precise synchronization | |
| CN117907766A (en) | GIS ultrahigh frequency partial discharge monitoring system and method | |
| CN201600439U (en) | Generator state monitoring system based on virtual instrument and wireless sensor network | |
| CN105510930A (en) | Ground marking system and method based on Beidou satellite | |
| CN102103016A (en) | SF6 gas density relay calibrator | |
| CN110161357B (en) | Fault recording device and method for pressure relief valve of oil-immersed power transformer | |
| CN109060542B (en) | System and method for triggering crack image acquisition in basin-type insulator hydrostatic test | |
| CN203011692U (en) | Portable fault diagnosing device for rolling bearing | |
| CN115629278A (en) | Switch cabinet insulation state detection device and method | |
| CN115453283A (en) | Two-in-one partial discharge sensor detection device and method | |
| CN211262470U (en) | Transformer noise vibration on-line monitoring system | |
| CN209819232U (en) | Pipeline pressure detection system | |
| CN110672264A (en) | Detection system and detection method for pressure sensor of micro-electro-mechanical system | |
| CN212300582U (en) | Linear motor system with displacement detection function | |
| CN104165683A (en) | Online power capacitor vibration monitoring device | |
| CN204330902U (en) | A kind of GIS trouble-shooter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |