CN115371720A - Temperature vibration sound integrated acquisition sensor - Google Patents
Temperature vibration sound integrated acquisition sensor Download PDFInfo
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- CN115371720A CN115371720A CN202111396880.5A CN202111396880A CN115371720A CN 115371720 A CN115371720 A CN 115371720A CN 202111396880 A CN202111396880 A CN 202111396880A CN 115371720 A CN115371720 A CN 115371720A
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Abstract
The invention discloses a temperature vibration sound integrated acquisition sensor, which belongs to the technical field of motor detection and comprises a vibration sensor unit, an acceleration sensor and a temperature vibration sound integrated acquisition unit, wherein the vibration sensor unit comprises an acceleration sensor and is used for measuring the vibration amplitude of a motor; a temperature sensor unit including a temperature sensor to measure a temperature of the motor; the noise sensor unit is used for collecting environmental sounds and converting sound signals of the motor into electric signals; the singlechip system is used for controlling the IO port, logically judging and processing, driving an external circuit, communicating and sampling; and a sensor housing to enclose the sensor unit. The sensor unit is connected with the local device in a wired mode and/or a wireless mode, various use scenes are supported, the device is integrated and modularized, and various upper computers can be connected through the output end.
Description
Technical Field
The invention belongs to the technical field of motor detection, and particularly relates to a temperature vibration sound integrated acquisition sensor.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is mainly used for generating driving torque and serving as a power source of electrical appliances or various machines, the generator is indicated by a letter G in a circuit, and the generator is mainly used for converting mechanical energy into electric energy. Electric motors are widely used in production, so that motor failure is also the most common failure phenomenon, and the failure probability is relatively high. The problem is sometimes troublesome.
An intelligent piezoelectric vibration temperature composite sensor based on network serial communication as proposed in CN112945308A, said composite sensor includes a sensor housing, two 8PIN connectors, a main control circuit board assembly, a shielding structure assembly, a vibration sensor assembly, and a temperature sensor assembly, wherein, the vibration sensor assembly and the temperature sensor assembly are both installed with a digital output module with a butterworth intelligent low pass filter. The invention can realize single-wire wiring, has concise wiring and is convenient for the installation and the distinguishing of cables; and, wiring space is little, be favorable to independent wiring, simultaneously, shielding structure subassembly can reduce the interference of external equipment noise and electromagnetic field, the intelligent low pass filter of butterworth can also get rid of high frequency interference, reduce the noise, prevent that other circuit or equipment influence from resulting in sensor output signal to receive high frequency interference, thereby improve the accuracy of sensor, but its shape structure and relevant chip select not to the motor design, do not set up noise sensor, when actually examining, motor noise still need artifical the judgement when detecting, do not explain signal acquisition's subsequent processing in addition. Therefore, a temperature vibration sound integrated acquisition sensor is proposed to solve the problem.
Disclosure of Invention
The invention aims to provide a temperature vibration sound integrated acquisition sensor, which aims to solve the problems that the existing acquisition sensor is not provided with a noise sensor in the using process and still needs to judge the motor noise manually during detection in actual detection in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: integrative collection sensor of temperature vibration sound includes:
a vibration sensor unit including an acceleration sensor to measure a vibration amplitude of the motor;
a temperature sensor unit including a temperature sensor to measure a temperature of the motor;
the noise sensor unit is used for collecting environmental sound and converting a sound signal of the motor into an electric signal;
the singlechip system is used for controlling the IO port, logically judging and processing, driving an external circuit, communicating and sampling;
the sensor shell is used for packaging the sensor unit, a base which can be attached to the motor is arranged at the bottom of the sensor shell, the sensor shell is connected with a local device, the connection mode comprises a wired mode and a wireless mode, and the local device is further connected with an upper computer through an output end.
Preferably, the single chip microcomputer system comprises a single chip microcomputer, the single chip microcomputer is connected with a crystal oscillator circuit and a reset circuit, the single chip microcomputer acquires corresponding vibration, temperature and noise signals, conversion and calibration are carried out, a vibration displacement value, a temperature value and a decibel value are obtained, and then corresponding linear analog quantity signals and corresponding linear digital signals are output.
Preferably, the acceleration sensor converts the numerical value into a voltage signal, amplifies and filters the signal, transmits the effective signal to the analog-to-digital converter, converts the analog signal into a digital signal, and transmits the digital signal to the single chip microcomputer system.
Preferably, the temperature sensor is packaged by the sensor shell and is directly connected with the single chip microcomputer through a data line.
Preferably, among the noise sensor unit, send the oscillatory wave through gathering the subassembly, the oscillatory wave signal is received to sensor adapter part, and the oscillatory wave through self electric capacity inductance loop stack external sound exports gather the subassembly, further through filter and signal amplifier, handles the signal of telecommunication.
Preferably, a connector is arranged on the sensor housing for wired connection, and the connector is used for electrically connecting the local device through a wire.
Preferably, the sensor housing is provided with a transmitting oscillating antenna based on a radio frequency technology, the sensor unit encapsulated inside the sensor housing transmits a data signal acquired by the sensor unit to the local device through the transmitting oscillating antenna or the connector, and correspondingly, the local device is provided with a receiving oscillating antenna.
Preferably, the bottom of sensor housing is provided with the screw rod for the spiro union the base, wherein the base is inhaled formula and is attached to on the motor magnetically.
Preferably, the local device is used for packaging the single chip microcomputer system, the single chip microcomputer system is further connected with a display assembly, the display assembly is used for displaying data processed and output by the single chip microcomputer system, and the display assembly is electrically connected with the single chip microcomputer system.
Preferably, the measurement data acquired after the acquisition and processing of the single chip microcomputer system is transmitted to the upper computer through a protocol interface for data analysis and display, the upper computer and the display assembly are selectively packaged in a local device, and the single chip microcomputer system supplies power through a power supply system.
Compared with the prior art, the invention has the beneficial effects that:
through setting up the noise sensor unit, come to measure the noise of the production of motor, avoid artifical error that judges the noise figure and cause according to the experience, acquire the measured value of vibration, temperature, noise in addition simultaneously, be convenient for through the three numerical value of a certain period of time, judge the running state of motor in this period of time, it is further, can be according to the numerical value of many times of measurements and corresponding motor running state, establish the judgement model of motor running state, can judge motor running state rapidly through this device.
The sensor unit is connected with the local device in a wired mode and/or a wireless mode, various use scenes are supported, the device is conveniently arranged at a place where an electric wire is difficult to connect and set in a wireless mode, and correspondingly, a power supply can be arranged in the local device to enable the device to normally operate.
The device is integrated and modularized, various upper computers can be connected through the output end to control the single chip microcomputer system and the sensor units connected with the single chip microcomputer system, the upper computers comprise various terminals such as computers and mobile phones, the application range is wide, and operation and control are convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
In the figure: 1. a sensor housing; 2. a transmitting oscillating antenna; 3. a base; 4. a connector; 5. a local device; 6. a display component; 7. and (4) an output end.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: integrative collection sensor of temperature and vibration sound includes:
a vibration sensor unit including an acceleration sensor to measure a vibration amplitude of the motor;
a temperature sensor unit including a temperature sensor to measure a temperature of the motor;
the noise sensor unit is used for collecting environmental sound and converting a sound signal of the motor into an electric signal;
the single chip microcomputer system is used for controlling an IO port, logically judging and processing, driving an external circuit, communicating and AD sampling;
the sensor comprises a sensor shell 1, a base 3 and a local device 5, wherein the sensor shell 1 is used for packaging a sensor unit, the base 3 can be attached to a motor, the sensor shell 1 is connected with the local device 5, the connection mode comprises a wired mode and a wireless mode, and the local device 5 is further connected with an upper computer through an output end 7.
In this embodiment, through setting up the noise sensor unit, come to measure the noise of the production of motor, avoid artifical noise value to judge the error that causes according to experience, acquire the measured value of vibration, temperature, noise simultaneously in addition, be convenient for through the three numerical value of a certain period of time, judge the operation conditions of motor in this period of time, furthermore, can be according to the numerical value of many times of measurements and corresponding motor running state, establish the judgement model of motor running state, can judge motor running state rapidly through this device.
The sensor unit connects local device 5 through wired mode andor wireless mode, supports manifold use scene, is convenient for set up this device in the place that is difficult to connect and sets up the electric wire through wireless mode, and is corresponding, can set up the power in local device 5, makes this device normal operating.
The device is integrated and modularized, various upper computers can be connected through the output end 7 to control the single chip microcomputer system and the sensor units connected with the single chip microcomputer system, the upper computers comprise various terminals such as computers and mobile phones, the application range is wide, and operation and control are convenient.
An output end 7 is arranged on the local device 5 so as to output the signal to the upper computer through RS485 or Ethernet.
Specifically, the singlechip system comprises a singlechip, the singlechip is connected with a crystal oscillator circuit and a reset circuit, the singlechip acquires corresponding vibration, temperature and noise signals, converts and calibrates the signals to obtain a vibration displacement value, a temperature value and a decibel value, and then outputs corresponding linear analog quantity signals and digital signals.
In this embodiment, the control chip is STC8G2K64S4, which is produced by shenzhen national core artificial intelligence limited, STC8G2K64S4 is a kernel ultra-high speed 8051 kernel 1T, which is about 12 times faster than the conventional 8051, and the instruction code is completely compatible with the conventional 8051,29 interrupt sources, 4-level interrupt priority, and is held in online simulation. It itself has 48 pins, 45 external I/O ports, 5 sixteen-bit programmable timing/counters. 3 full duplex serial communication ports. The chip can be programmed in a conventional manner, as well as on-line. Especially, the cost of the memory which is repeatedly erased and written can be effectively reduced.
The single chip microcomputer is connected with a crystal oscillator circuit, the crystal oscillator circuit provides clock signals for the work of the single chip microcomputer, and a high-gain inverting amplifier is arranged in the chip and used for forming an internal oscillator. The quartz crystal and the amplifier are selected to form a self-excited oscillator, and the capacitance is selected to be thirty-picofarads.
The reset circuit is used for preventing the power switch from being affected by the instant jitter, and the reset is effected in the starting process of the single chip microcomputer, so that each part of the processor and the system is in an initial state and then starts to work. The single chip microcomputer has two reset modes, one mode is manual button reset, the other mode is power-on reset, and automatic reset is adopted.
The single chip microcomputer can be used for setting sampling intervals for acquiring digital signals output by the vibration sensor unit, the noise sensor unit and the temperature sensor unit according to specific use conditions.
Referring to fig. 2, the operation diagram of the device, the internal circuit is powered on to operate, the operation is started, the single chip microcomputer is always interrupted, the interrupt program is prevented from entering during initialization, the timer inside the single chip microcomputer is initialized, after the initialization is completed, the interruption is started, the sensor unit collects data, the single chip microcomputer obtains the collected data, the communication output is performed after the conversion processing, if the upper computer controls the output, the judgment is yes, the data is output to the upper computer, the data can be directly displayed through the display component 6, or the upper computer controls the display component 6 to display, the data is still collected by the sensor unit after the data is output, if the upper computer does not control the output, the judgment is no, and the step of returning the sensor unit to collect the data is performed.
Specifically, the acceleration sensor converts a numerical value into a voltage signal, amplifies and filters the voltage signal, transmits an effective signal to the analog-to-digital converter, converts an analog signal into a digital signal, and transmits the digital signal to the single chip microcomputer system.
In this embodiment, ADXL326 is selected as the acceleration sensor, and ADXL326 is a complete small-size, thin, low-power-consumption, three-axis accelerometer, and provides voltage output after signal conditioning.
When an object vibrates, the acceleration sensor converts a numerical value into a voltage signal, the voltage signal passes through the amplifier to be amplified and filtered, an effective signal is transmitted to the analog-to-digital converter, the analog signal is converted into a digital signal, the digital signal is transmitted to the single chip microcomputer system, and the single chip microcomputer system processes the digital signal so as to check the degree that the operation and the service life of the motor are not influenced by the vibration in the operation process.
Specifically, the temperature sensor is packaged through the sensor shell 1 and is directly connected with the single chip microcomputer through a data line.
In this embodiment, select for use DS18B20 digital temperature sensor, simple structure, the wiring is convenient relatively, direct output digital signal, do not need analog-to-digital conversion to there is the encapsulation of different types, different encapsulation can be used for multiple occasion, the encapsulation is like pipeline formula, stainless steel, magnet absorption formula, screw thread formula encapsulation, more convenient data interface mode, only need a data line just can realize the both-way communication of singlechip and sensor when this kind of temperature sensor is connected with the singlechip.
The DS18B20 digital temperature sensor supports the function of a multipoint network, so that the temperature sensor, the noise sensor and the acceleration sensor can be connected in parallel on three lines, and the multipoint testing function can be realized.
Specifically, in the noise sensor unit, send the oscillatory wave through gathering the subassembly, the oscillatory wave signal is received to sensor adapter part, and the oscillatory wave through self electric capacity inductance loop stack external sound exports the collection subassembly, further processes the signal of telecommunication through filter and signal amplifier.
In this embodiment, receive the oscillatory wave signal by the adapter and export the collection subassembly through the oscillatory wave of self electric capacity inductance loop stack external sound, convert the sound signal into the signal of telecommunication, through filter and signal amplifier, handle the signal of telecommunication, gather this signal by the singlechip, carry out corresponding formula conversion and calibration to the signal of gathering in the singlechip to convert into the decibel value, export linear analog signal and digital signal again.
Specifically, the sensor housing 1 is provided with a connector 4 for wired connection, and the connector 4 is used to electrically connect to the local device 5 through a wire.
In this embodiment, the connector 1 is an aviation plug, and the aviation plug is connected to the local device 5 through a wire.
Specifically, a transmitting oscillating antenna 2 is arranged on the sensor housing 1 based on a radio frequency technology, a sensor unit packaged in the sensor housing 1 transmits a data signal acquired by the sensor unit to a local device 5 through the transmitting oscillating antenna 2 or a connector 4, and correspondingly, a receiving oscillating antenna is arranged on the local device 5.
In this embodiment, a transmitting oscillating antenna 2 is provided based on a radio frequency technology to perform wireless connection, a sensor unit enclosed in a sensor housing 1 selectively transmits a data signal acquired by the sensor unit to a local device 5 through the transmitting oscillating antenna 2 and a connector 4, and a receiving oscillating antenna is provided on the local device 5 to receive the signal.
Specifically, the bottom of the sensor housing 1 is provided with a screw for screwing the base 3, wherein the base 3 is attached to the motor in a magnetic type.
In this embodiment, the base 3 can be magnetically attracted on the motor, and the sensor housing 1 is arranged on the base 3 through a screw rod.
Sensor housing 1 adopts the design of 304 stainless steel shells, supports magnetism to inhale installation, screw thread, magnetism and inhales and add 3 kinds of mounting means of solid fixed glue, sensor housing 1 appearance: outer diameter 50mm, height: 76mm =66mm (housing) +10mm (stud or magnet).
Specifically, the local device 5 is used for encapsulating the single chip microcomputer system, the single chip microcomputer system is further connected with a display assembly 6, the display assembly 6 is used for displaying data processed and output by the single chip microcomputer system, and the display assembly 6 is electrically connected with the single chip microcomputer system.
In this embodiment, the display module 6 is used for displaying data processed and output by the single chip microcomputer system, the display module 6 is electrically connected with the single chip microcomputer system, wherein the display module 6 can be provided with two groups, one group is used for local display, the other group is arranged at the upper computer and used for display control, and the number and the position of the display module 6 can be selected according to actual use conditions.
Specifically, the measurement data acquired after the acquisition and processing of the single chip microcomputer system is transmitted to an upper computer through a protocol interface for data analysis and display, the upper computer and a display assembly 6 are optionally packaged in a local device 5, and the single chip microcomputer system supplies power through a power supply system.
In this embodiment, the data is transmitted to the upper computer through the international universal Modbus protocol interface for data analysis and display after being collected and processed by the single chip microcomputer system.
The power supply system provides direct current with the voltage range of 9-24V.
The working principle and the using process of the invention are as follows: the internal circuit is powered on and operated, the operation is started, the single chip microcomputer is always interrupted, an interruption program is prevented from entering during initialization, an internal timer of the single chip microcomputer is initialized, after the initialization is completed, interruption is started, a sensor unit collects data, the noise generated by a motor is measured by arranging a noise sensor unit, errors caused by manual judgment of noise values according to experience are avoided, in addition, the measured values of vibration and temperature can be obtained through a vibration sensor unit and a temperature sensor unit, the running condition of the motor in a certain time period can be judged conveniently through three values of the time period, the single chip microcomputer is connected with the sensor unit in a wired or wireless mode, sensor output values are obtained, after the single chip microcomputer system obtains the collected data, communication output is carried out after conversion processing, if the upper computer outputs the data, the data are judged to be correct, the data are output to an upper computer, the data can be directly displayed through a display assembly 6, or the upper computer controls the display assembly 6 to display, the data are still collected by the sensor unit after the data are output, if the upper computer does not control output, the data are judged to be in a Modal mode, the data are returned to the sensor unit, and the data are transmitted to an international bus interface for data analysis and display.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Integrative collection sensor of temperature sound that shakes, its characterized in that: the method comprises the following steps:
a vibration sensor unit including an acceleration sensor to measure a vibration amplitude of the motor;
a temperature sensor unit including a temperature sensor to measure a motor temperature;
the noise sensor unit is used for collecting environmental sound and converting a sound signal of the motor into an electric signal;
the single chip microcomputer system is used for controlling the IO port, logically judging and processing, driving an external circuit, communicating and sampling;
sensor housing (1) for encapsulate the sensor unit, and its bottom is provided with base (3) that can adhere to on the motor, local device (5) is connected in sensor housing (1), and wherein the connected mode includes wired mode, wireless mode, local device (5) still connect the host computer through output (7).
2. The temperature vibration sound integrated acquisition sensor according to claim 1, characterized in that: the single chip microcomputer system comprises a single chip microcomputer, the single chip microcomputer is connected with a crystal oscillator circuit and a reset circuit, the single chip microcomputer acquires corresponding vibration, temperature and noise signals, the vibration, temperature and decibel signals are converted and calibrated to obtain a vibration displacement value, a temperature value and a decibel value, and then corresponding linear analog quantity signals and corresponding digital signals are output.
3. The temperature vibration sound integrated acquisition sensor according to claim 1, characterized in that: the acceleration sensor converts the numerical value into a voltage signal, amplifies and filters the voltage signal, transmits an effective signal to the analog-to-digital converter, converts an analog signal into a digital signal and transmits the digital signal to the single chip microcomputer system.
4. The temperature vibration sound integrated acquisition sensor according to claim 2, characterized in that: the temperature sensor is packaged through the sensor shell (1) and is directly connected with the single chip microcomputer through a data line.
5. The temperature vibration sound integrated acquisition sensor according to claim 1, characterized in that: in the noise sensor unit, send the oscillatory wave through gathering the subassembly, the oscillatory wave signal is received to sensor adapter part, and the oscillatory wave through self electric capacity inductance loop stack external sound exports gather the subassembly, further through filter and signal amplifier, handles the signal of telecommunication.
6. The temperature vibration sound integrated acquisition sensor according to claim 1, characterized in that: the sensor shell (1) is provided with a connector (4) for wired connection, and the connector (4) is electrically connected with the local device (5) through a wire.
7. The temperature vibration sound integrated acquisition sensor according to claim 6, characterized in that: the sensor comprises a sensor shell (1), and is characterized in that a transmitting oscillating antenna (2) is arranged on the sensor shell (1) based on a wireless radio frequency technology, a sensor unit packaged in the sensor shell (1) transmits a data signal acquired by the sensor unit to a local device (5) through the transmitting oscillating antenna (2) or a connector (4), and accordingly, a receiving oscillating antenna is arranged on the local device (5).
8. The temperature vibration sound integrated acquisition sensor according to claim 1, characterized in that: the bottom of sensor housing (1) is provided with the screw rod for the spiro union base (3), wherein base (3) magnetism is inhaled the formula and is attached to on the motor.
9. The temperature vibration sound integrated acquisition sensor according to claim 1, characterized in that: the local device (5) is used for packaging the single chip microcomputer system, a display component (6) is further connected to the single chip microcomputer system, the display component (6) is used for displaying data processed and output by the single chip microcomputer system, and the display component (6) is electrically connected with the single chip microcomputer system.
10. The temperature vibration sound integrated acquisition sensor according to claim 1, characterized in that: the single chip microcomputer system acquires and processes acquired measurement data, transmits the acquired measurement data to the upper computer through a protocol interface for data analysis and display, the upper computer and the display assembly (6) are optionally packaged in the local device (5), and the single chip microcomputer system supplies power through a power supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111396880.5A CN115371720A (en) | 2021-11-23 | 2021-11-23 | Temperature vibration sound integrated acquisition sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111396880.5A CN115371720A (en) | 2021-11-23 | 2021-11-23 | Temperature vibration sound integrated acquisition sensor |
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| Publication Number | Publication Date |
|---|---|
| CN115371720A true CN115371720A (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111396880.5A Withdrawn CN115371720A (en) | 2021-11-23 | 2021-11-23 | Temperature vibration sound integrated acquisition sensor |
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| CN (1) | CN115371720A (en) |
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2021
- 2021-11-23 CN CN202111396880.5A patent/CN115371720A/en not_active Withdrawn
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Application publication date: 20221122 |