CN206876210U - A kind of centrifugal pump motor vibration based on Android platform, temperature patrol inspection device - Google Patents
A kind of centrifugal pump motor vibration based on Android platform, temperature patrol inspection device Download PDFInfo
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- CN206876210U CN206876210U CN201720230173.1U CN201720230173U CN206876210U CN 206876210 U CN206876210 U CN 206876210U CN 201720230173 U CN201720230173 U CN 201720230173U CN 206876210 U CN206876210 U CN 206876210U
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Abstract
The utility model discloses a kind of centrifugal pump motor vibration based on Android platform, temperature patrol inspection device, including G sensor modules, temperature signal collection module, data receiver, analysis and processing module, data communication and sharing module, cell-phone customer terminal, host computer and two road USB system power supply modules.Pass through the signal acquisition module based on LIS3DH chips and DS18B20 temperature sense chips, by the 3-axis acceleration signal and temperature signal of collection respectively by SPI communications protocol through corresponding I/O mouths, ADC sampling channels, it is sent to based on the reception of STM32 microcontrollers, analysis and processing module, by obtained information by analysis, processing, display, data are sent to Android client and host computer by communication and sharing module again, so as to carry out remote real time monitoring to the temperature and vibration state of centrifugal pump.
Description
Technical field
The invention belongs to data acquisition technology field, especially a kind of centrifugal pump-motor oscillating based on Android platform,
Temperature patrol inspection device.
Background technology
Centrifugal pump is important energy conversion and fluid delivery system, and whether its running status directly affects energy efficient
Whether it is smoothed out using with engineering, therefore its state is monitored in real time, is of great practical significance.To centrifugation
The detection parameters of pump-motor mainly include following：(1) lubricating oil level of pump, oily situation；(2) mechanical seal leakage situation；
(3) current of electric situation；(4) outlet pressure of pump, oil sealing pressure condition；(5) bearing housing and motor temperature, Vibration Condition, if
For without noise；(6) check whether the cooling water of pump is normal；(7) standby pump preheating situation is checked；(8) jiggering and the operation of pump are carried out
Record.
Detection wherein to centrifugal pump-motor temperature, vibration parameters mainly has in the following manner at present：
1st, method is predominantly detected to the temperature parameter of centrifugal pump-motor：
1. thermometer method；2. electric-resistivity method；3. embedding thermometry meter method；4. paste heat label method.Wherein humid test is typically adopted
With first method, temperature sensor is copper-constantan thermocouple, and the thermocouple Graduation Number is T-shaped, and Range of measuring temp is 200
Between~400 DEG C.It can be directly changed temperature signal the weak voltage signal converted according to certain rules, pass through one piece or two pieces
A/D transition cards, are joined directly together with PC, use special supporting temperature test software, you can while 8 points or 16 points of test is different
The temperature of position, and directly display on microcomputer monitor all test points currently and historical record Temperature numerical or temperature song
Line.Because the thermal inertia of temperature field and temperature sensor is larger, therefore, one group of data minimum interval of collection conversion is arranged to 3s
Most test request can be met.
2nd, method is predominantly detected to the vibration parameters of centrifugal pump-motor：
1. vibration gauge；2. vibrating sensor.Wherein vibration test typically uses second method, installs and shakes on testing stand
Dynamic sensor, there is provided the voltage needed for sensor, the signal that vibrating sensor gathers is wired to NI capture cards, together
When capture card is connected to the host computer based on Labview environment with USB, by being programmed to Labview, so as to realize
Collection to vibration signal.
Although above-mentioned temperature to centrifugal pump-motor, the acquisition mode comparison of vibration signal are accurate, operating process ten
It is point cumbersome, complicated, it is not suitable for mammoth pump factory job site, fault in-situ etc., while the sensor used, capture card etc.
Price is relatively expensive, and cost is higher, can only be used in relatively expensive equipment, be not easy to promote.
The content of the invention
The present invention is cumbersome for conventional monitoring methods operating process, and cost is high, the problems such as being not easy to promote, it is proposed that a kind of
High, cheap, the easy for installation vibration for being easy to promote of information integration degree, temperature patrol inspection device, realize the technical side of the present invention
Case is as follows：
A kind of centrifugal pump-motor oscillating based on Android platform, temperature patrol inspection device, including based on LIS3DH chips
Centrifugal pump-motor 3-axis acceleration signal acquisition module (G-sensor modules), the temperature based on DS18B20 temperature sense chips
Signal acquisition module is spent, is received based on STM32 micro controller datas, analysis and processing module, based on bluetooth local area network and wide area network
Data communication and sharing module, cell-phone customer terminal based on Android platform and based on upper under Labwindows environment
Machine, two-way USB system bulk supply module.By based on LIS3DH acceleration inductions and DS18B20 temperature sense chips
Signal acquisition module, by the acceleration signal of collection and temperature signal respectively with SPI communications protocol, ADC sampling channels, pass
Deliver to based on STM32 microcontrollers receive, analysis and processing module, by obtained information by analysis, processing, pass through data communication
It is long-range so as to be carried out to the temperature and vibrational state of centrifugal pump and sharing module is sent to Android client and host computer
Monitoring in real time.
1st, the centrifugal pump based on LIS3DH chips-motor 3-axis acceleration signal acquisition module, combined with LIS3DH chips
The modulate circuits such as peripheral signal filtering, amplification, shaping gather centrifugal pump-motor in the process of running because electric caused by vibration
Signal, electric signal are handled by LIS3DH chip internals and calculated, and convert electrical signals to corresponding 3-axis acceleration signal, then lead to
3-axis acceleration signal is sent to the reception based on STM32, divided by the GPIO mouths for crossing the corresponding STM32 of SPI communications protocol connection
Analyse processing module.
2nd, the temperature signal collection module based on DS18B20 temperature sense chips, combined with DS18B20 temperature senses chip
The modulate circuits such as peripheral signal filtering, amplification, shaping gather centrifugal pump-motor in the process of running because electric caused by temperature
Signal, electric signal is handled by chip internal and calculated, by reception of the electric signal collected by STM32, analyzing and processing mould
The ADC sampling channels of block are sampled, according to the specific temperature of chip, voltage corresponding relation, by corresponding voltage signal, conversion
For the temperature of centrifugal pump-motor.
3rd, two-way USB system bulk supply module, because chip demand voltage is different, what is taken is two-way USB power supply moulds
Formula can make system power supply more stable, the two-way 5V voltages obtained by USB, the conversion of a-road-through overvoltage, voltage stabilizing chip conversion
STM32, DS18B20 chip are supplied to 3.3V, another way voltage is transformed into 2.8V and carried by voltage conversion, voltage stabilizing chip
Supply remaining element such as LIS3DH chips.
4th, according to centrifugal pump actual operating mode, corresponding Android client is developed, corresponding display option is set,
Two ways is taken in Android clients and data receiver based on STM32 controllers, the communication between analysis and processing module
1st, bluetooth local area network：Suitable for manager in factory building with centrifugal pump-motor apart from relative close when situation 2, GPRS wide areas
Net：Suitable for manager and centrifugal pump-far situation of motor respective distance, long-range real-time monitoring is realized.Host computer with
STM32 controllers take Modbus agreements to realize remotely real-time by GPRS wide area networks by Serial Port Transmission data
Monitoring.
The beneficial effects of the invention are as follows：
(1) traditional detection scheme is compared, present apparatus integrated level is high, and cost is low, cost-effective；
(2) traditional detection scheme is compared, takes two road USB powering modes to make integral module power supply more stable；
(3) traditional detection scheme is compared, the present apparatus takes non-intrusion type mode, easy for installation flexible.
Brief description of the drawings
Fig. 1 device overall structure diagrams；
Fig. 2 device integral module structural representations；
Fig. 3 devices detect the workflow diagram of centrifugal pump-motor oscillating parameter；
Fig. 4 devices detect the workflow diagram of centrifugal pump-motor temperature parameter.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1-Fig. 4 be centrifugal pump-motor oscillating proposed by the present invention based on Android platform, temperature patrol inspection apparatus module and
Schematic flow sheet.
The present invention is directed to traditional monitoring centrifugal pump-motor oscillating, temperature parameter, and cost is high, and system is huge, complex operation,
The problems such as interface is unfriendly, it is proposed that a kind of centrifugal pump-motor oscillating based on Android platform, temperature patrol inspection device and detection
Method, specific implementation of the invention are as follows：
Centrifugal pump-motor oscillating based on Android platform, temperature patrol inspection device are bolted on motor, its
For middle DS18B20 temperature senses chip mount close to the position of motor, the G-sensor modules based on LIS3DH chips will be in pump
Centrifugal pump-motor is gathered in the state of operation in vibration, 3-axis acceleration, the angular acceleration signal of motor, is led to by SPI
Obtained acceleration information is sent to the processing module based on STM32 by news agreement by corresponding GPIO mouths；It is based on
The temperature signal collection module of DS18B20 temperature sense chips, by gather centrifugal pump-motor in operation because of temperature change,
Caused voltage signal, by the voltage signal of collection by the ADC sampling channels of STM32 processing modules to voltage corresponding to temperature
Signal is acquired.
Vibration and temperature signal are gathered accordingly by above method STM32 microcontrollers, then STM32 micro-controls
Device processed is as follows to vibration and processes temperature signal, specific detection process：
1st, the detection of motor oscillating state
Such as Fig. 3, the G-sensor modules based on LIS3DH chips will be because of voltage signal that centrifugal pump-motor oscillating obtains
Handled by chip internal, have been converted into three shaft vibration signals, STM32 microcontrollers are sent to by SPI communications protocol
Signal is three shaft vibration signals of 16 systems corresponding to agreement, by writing corresponding SPI protocol to being sent to STM32 microcontrollers
The signal of device is decoded to obtain binary 3-axis acceleration signal, is shown by screen corresponding to writing STM32 microcontrollers
Show program, by position corresponding to 3-axis acceleration parameter display screen program, it is upper that data transmission is write according to Modbus agreements
The program of machine, by 3-axis acceleration, order is sent to register address corresponding to host computer by way of array, passes through indigo plant
Tooth writes corresponding cell phone customer end data and receives agreement, transfers data to corresponding to Android client on APP, so as to
Complete data sharing of the 3-axis acceleration in STM32 microcontrollers, host computer, Android client；
2nd, to the detection process of temperature：
Such as Fig. 4, based on the temperature signal collection module of DS18B20 temperature sense chips, centrifugal pump-motor of collection exists
Because of electric signal caused by temperature in running, sampled by the ADC sampling channels of STM32 microcontrollers, first to adopting
Sample carries out every 10 average processing because of voltage signal caused by temperature, so as to get signal it is more stable, while according to core
The specific temperature of piece, voltage respective function relation, by writing corresponding program in STM32 microcontrollers, by corresponding electricity
Signal is pressed, is converted into the temperature signal of centrifugal pump-motor.By writing screen display program corresponding to STM32 microcontrollers,
By position corresponding to temperature parameter display screen program, the program that data send host computer is write according to Modbus agreements, by temperature
Spend signal order by way of array and be sent to register address corresponding to host computer, corresponding mobile phone write by bluetooth
Client data receives agreement, transfers data to corresponding to Android client on APP, exists so as to complete temperature signal
The data sharing of STM32 microcontrollers, host computer, Android client；So as to allow manager to learn centrifugal pump-motor in real time
Vibration and temperature parameter, to realize the real-time monitoring to centrifugal pump-motor.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included in the scope of the protection.
Claims (7)
1. a kind of centrifugal pump-motor oscillating based on Android platform, temperature patrol inspection device, it is characterised in that including centrifugal pump-
Motor 3-axis acceleration signal acquisition module, temperature signal collection module, data receiver, analysis and processing module, based on bluetooth office
Domain net or wide area network data communication and sharing module, the cell-phone customer terminal based on Android platform；
The centrifugal pump-motor 3-axis acceleration signal acquisition module, temperature signal collection module with the data receiver,
Analysis and processing module is connected, and the data receiver, analysis and processing module show that the vibration of motor accelerates by the information of acquisition module
Degree and temperature；The data receiver, analysis and processing module pass through described based on bluetooth local area network or wide area network data communication and common
Enjoy module to be communicated with the cell-phone customer terminal based on Android platform, the status data of motor is sent to the hand
Machine client.
2. a kind of centrifugal pump-motor oscillating based on Android platform according to claim 1, temperature patrol inspection device, it is special
Sign is, in addition to host computer；The host computer passes through wide area network or Modbus agreements and the data receiver, analyzing and processing mould
Block communicates.
3. a kind of centrifugal pump-motor oscillating based on Android platform according to claim 1, temperature patrol inspection device, it is special
Sign is, in addition to two-way USB system bulk supply module；The two-way USB system bulk supply module will be obtained by USB
Two-way 5V voltages, a-road-through overvoltage conversion, voltage stabilizing chip be transformed into 3.3V be supplied to the data receiver, analyzing and processing mould
Block, another way voltage is transformed into 2.8V by voltage conversion, voltage stabilizing chip and is supplied to 3-axis acceleration signal acquisition module.
4. a kind of centrifugal pump-motor oscillating based on Android platform according to claim 1, temperature patrol inspection device, it is special
Sign is, the centrifugal pump-motor 3-axis acceleration signal acquisition module filtered using LIS3DH chip combination peripheral signal,
Amplification, shaping modulate circuit are realized.
5. a kind of centrifugal pump-motor oscillating based on Android platform according to claim 1, temperature patrol inspection device, it is special
Sign is that the temperature signal collection module is using the filtering of DS18B20 temperature sense chip combinations peripheral signal, amplification, shaping
Modulate circuit is realized.
6. a kind of centrifugal pump-motor oscillating based on Android platform according to claim 4, temperature patrol inspection device, it is special
Sign is, the centrifugal pump-between motor 3-axis acceleration signal acquisition module and the data receiver, analysis and processing module
Communicated using SPI protocol.
7. a kind of centrifugal pump-motor oscillating based on Android platform according to claim 5, temperature patrol inspection device, it is special
Sign is that the temperature signal collection module after AD conversion with the data receiver, analysis and processing module by being connected.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768083A (en) * | 2017-03-10 | 2017-05-31 | 江苏大学 | A kind of centrifugal pump motor vibration based on Android platform, temperature patrol inspection device and its detection method |
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2017
- 2017-03-10 CN CN201720230173.1U patent/CN206876210U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768083A (en) * | 2017-03-10 | 2017-05-31 | 江苏大学 | A kind of centrifugal pump motor vibration based on Android platform, temperature patrol inspection device and its detection method |
| CN106768083B (en) * | 2017-03-10 | 2023-11-10 | 江苏大学 | Centrifugal pump-motor vibration and temperature inspection device based on Android platform and detection method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180112 Termination date: 20190310 |