CN107478266A - A kind of mechanical oscillation and temperature-detecting device and method - Google Patents

A kind of mechanical oscillation and temperature-detecting device and method Download PDF

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Publication number
CN107478266A
CN107478266A CN201710546480.5A CN201710546480A CN107478266A CN 107478266 A CN107478266 A CN 107478266A CN 201710546480 A CN201710546480 A CN 201710546480A CN 107478266 A CN107478266 A CN 107478266A
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CN
China
Prior art keywords
temperature
chip microcomputer
signal
sensor
detection
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Pending
Application number
CN201710546480.5A
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Chinese (zh)
Inventor
雷良育
刘兵
李林丰
李雪原
董亮
胡永伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Zhaofeng Mechanical and Electronic Co Ltd
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Zhejiang Zhaofeng Mechanical and Electronic Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Zhaofeng Mechanical and Electronic Co Ltd filed Critical Zhejiang Zhaofeng Mechanical and Electronic Co Ltd
Priority to CN201710546480.5A priority Critical patent/CN107478266A/en
Publication of CN107478266A publication Critical patent/CN107478266A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/26Pc applications
    • G05B2219/2604Test of external equipment
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/26Pc applications
    • G05B2219/2612Data acquisition interface

Abstract

The present invention relates to mechanical detection technical field, discloses a kind of mechanical oscillation and temperature-detecting device and method.Including vibrating sensor, temperature sensor, sensor adapter, change-over circuit, storage circuit and single-chip microcomputer, sensor adapter electrically connects with vibrating sensor and change-over circuit respectively, and the vibration signal of vibrating sensor detection plant equipment simultaneously passes through sensor adapter and change-over circuit transmission signal to single-chip microcomputer;Temperature sensor and monolithic mechatronics simultaneously detect the temperature of plant equipment and transmit a signal to single-chip microcomputer;Storage circuit and monolithic mechatronics simultaneously receive single-chip data and stored;Single-chip microcomputer receives the vibration signal and temperature signal of plant equipment, and signal content is analyzed and stored.By the present invention can multiple spot detect machine work when Vibration Condition and temperature and read peak value, data are carried out automatically to arrange classification and storage, Monitoring Data displaying is directly perceived, accurate credible, can print examining report and upload data.

Description

A kind of mechanical oscillation and temperature-detecting device and method
Technical field
The present invention relates to mechanical detection technical field, more particularly to a kind of mechanical oscillation and temperature-detecting device and method Design.
Background technology
Vibrating machine is the mechanical oscillation transmitted by flexible medium, object or the particle institute near its equilbrium position The reciprocating motion of work.The vibration of machine is existing always with the operation of a machine.Even machine in optimal running status, Due to it is very small the defects of and dynamic excitation, will also produce some vibrations.Such as the aircraft vibration of wing and lathe in flight The vibration of cutter in cutting.Useful information can be extracted from mechanical oscillation with modern signal processing technology, is found out rapidly The root of failure.Effective data monitoring and analysis are implemented to mechanical parameter signal, plant equipment operational efficiency can be greatly improved.Together When, temperature can be produced during machine work, in order to ensure the normal work of machinery, be monitored that also extremely have must to the temperature of machinery Will, in order to save space and simplify wiring, it is necessary to a kind of device and phase of the Vibration Condition and temperature that can monitor machinery simultaneously The detection method answered.
The content of the invention
The device and application method of the Vibration Condition that can monitor machinery simultaneously a kind of as needed of the invention and temperature It is required that propose a kind of mechanical oscillation and temperature-detecting device and method.The present invention solves the vibration and temperature progress to machinery The problem of detection, it make use of vibrating sensor many and mechanical oscillation situation detected, make use of temperature sensor to enter Row multi-point temperature measurement, single-chip microcomputer make use of to carry out data analysis and shown, uploaded and printed to data.Timely hair is reached Existing equipment incipient failure characteristic signal, improves industrial operating efficiency, avoids the effect of production accident.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of mechanical oscillation and temperature-detecting device, including vibrating sensor, temperature sensor, sensor adapter, turn Circuit, storage circuit and single-chip microcomputer are changed, vibrating sensor electrically connects with sensor adapter, sensor adapter and change-over circuit Electrical connection, change-over circuit and monolithic mechatronics, the vibration signal and transmission signal of vibrating sensor detection plant equipment extremely pass Sensor adapter, sensor adapter receive vibration signal and transmit a signal to single-chip microcomputer by change-over circuit;TEMP Device and monolithic mechatronics, the temperature of temperature sensor detection plant equipment simultaneously transmit a signal to single-chip microcomputer;Storage circuit with Monolithic mechatronics, storage circuit receive single-chip data and stored;Single-chip microcomputer receive plant equipment vibration signal and Temperature signal, signal content is analyzed and stored.
The vibration signal of plant equipment is sampled by vibrating sensor, send change-over circuit to be converted into numeral through sensor adapter Signal, at the same time, the temperature signal of plant equipment are sent directly into single-chip microcomputer processing, in addition numeral by temperature sensor sampling Temperature sensor can also monitoring of environmental temperature as auxiliary reference, and can with real-time storage, print and send host computer make into The processing of one step.
Preferably, also including mini-printer, display screen and host computer, single-chip microcomputer is connected with mini-printer interface electricity Road, mini-printer interface circuit are connected with mini-printer;Single-chip microcomputer is connected with display interface circuit, display interface circuit with Display screen connects;Single-chip microcomputer is connected with serial communication circuit, and serial communication circuit is connected with host computer.By display screen and upper Machine, testing result more can intuitively be shown, also allow for user and data are carried out with arrangement classification, and digitlization storage Deposit.Single-chip microcomputer is connected with printer, conveniently can timely print examining report.
Preferably, sensor adapter includes fore-lying device and transmitter, fore-lying device electrically connects with vibrating sensor, preposition Device receives vibration sensor signal and signal is amplified;Transmitter electrically connects with change-over circuit, after transmitter receives amplification Signal and input a signal into change-over circuit.Transmitter can carry out signal one by one in the case where there is multi-way detecting signal Transmission, for being used cooperatively between multiple sensors and single-chip microcomputer.
Preferably, temperature sensor be connected in parallel on no less than one, two and more than two temperature sensors it is same total On line, all temperature sensor multiple spots measure and transmitted temperature signal to single-chip microcomputer, temperature sensor by bus simultaneously is DS18B20 model chips.DS18B20 is the intelligent integrated digital transducer of a excellent performance, has small volume, power consumption It is low, performance is high, strong antijamming capability, using it is simple the advantages that.DS18B20 is applied in temperature measurement and control instrument, will be significantly simple Change line construction and reduce hardware spending, make apparatus structure simpler, working stability, temperature measurement accuracy is high, easy to maintenance, safety Reliability is higher.
Preferably, change-over circuit includes modulus conversion chip, pass through data wire between modulus conversion chip and single-chip microcomputer Connection, the conversion end EOF signals of modulus conversion chip do not access single-chip microcomputer.Conversion end EOF signals do not access single-chip microcomputer, this It is that 10 μ s are generally higher than based on the MCU Instruction between two work periods, conversion has been completed, it is not necessary to judges that EOF can also Perform whether time determination conversion terminates by experiment or computations, can so save a piece-root grafting line.
Preferably, display interface circuit includes display driver chip, display driver chip is using serial port displacement driving Mode or serial port simulate three wire protocol sequential driving modes to drive display screen to work, and display driver chip is MAX7219 types Number chip.MAX7219 has 3 line serial line interfaces, and two kinds of type of drive can be selected when being connected with single-chip microcomputer.
Preferably, serial communication circuit includes electrical level transferring chip, electrical level transferring chip receives the TTL that single-chip microcomputer is sent Level signal simultaneously converts thereof into ELA level signals and transmitted to host computer.The signal format that host computer uses uses with single-chip microcomputer Signal format it is different, can not direct intercommunication between two, it is necessary to enter row format conversion to it.
A kind of mechanical oscillation and temperature checking method according to above-mentioned device, comprise the following steps:
Electric on device, monolithic processor resetting, each component is initialized;
Single-chip microcomputer Vibration on Start-up detects and temperature detection and initialization timer, calls peak data acquisition to handle sub- journey Sequence, read vibration data peak value and show;
Single-chip microcomputer reads temperature sensor data and shown, is then back to and continues cycling through detection;
Single-chip microcomputer, which is stored to data, printed or is sent to, send host computer to be for further processing.
Preferably, peak data acquisition processing subprogram comprises the following steps:
Single-chip microcomputer starts timer T0, in its interrupt service routine, starts timer T1, constantly detects current width Value, and compared with the high level with being previously set " value is closed in detection ";
If detection closes value and is less than this detected value, terminate this detection and return, if detection closes value and is more than this detected value, Store compared with then constantly detecting data with the last time and in time higher value;
When this detection data is less than last detection data, checks whether detection number alreadys exceed and be previously set time Number, if so, then the previous detected value of single-chip microcomputer memory storage is the peak value of epicycle detection, it is previously set if detection number is less than Number, then continue peak value detection.
Single-chip microcomputer carries out detection operation by interrupting, and interrupt mode is also a kind of condition transmission.Single-chip microcomputer can with it is outer If element works, and performs the operation unrelated with peripheral component simultaneously, once peripheral component needs to carry out data exchange, just actively It is proposed to interrupt application to single-chip microcomputer, after CPU is connected to interrupt requests, just suspends current work and turn to go for peripheral hardware service, to have handled Returned to again at original pause after finishing and continue original work.Therefore, single-chip microcomputer need not lose time to inquire about peripheral hardware member Part state, substantially increases efficiency
The present invention has significant technique effect as a result of above technical scheme:Being capable of multiple spot detection machine work When Vibration Condition and temperature, data are carried out automatically to arrange classification and storage.Monitoring Data displaying is directly perceived, accurate credible, energy Enough print examining report and upload data.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the connection diagram of temperature sensor and single-chip microcomputer.
Fig. 3 is the connection diagram of modulus conversion chip and single-chip microcomputer.
Fig. 4 is display interface circuit structural representation.
Fig. 5 is serial communication circuit structural representation.
Fig. 6 is mini-printer interface circuit structure schematic diagram.
Fig. 7 is the inventive method flow chart.
Fig. 8 is peak value gatherer process flow chart of the present invention.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of mechanical oscillation and temperature-detecting device and method, including vibrating sensor, temperature sensor, Sensor adapter, change-over circuit, storage circuit and single-chip microcomputer, vibrating sensor electrically connect with sensor adapter, sensor Adapter electrically connects with change-over circuit, change-over circuit and monolithic mechatronics, the vibration letter of vibrating sensor detection plant equipment Number and transmission signal to sensor adapter, sensor adapter receives vibration signal and simultaneously transmitted a signal to by change-over circuit Single-chip microcomputer;Temperature sensor and monolithic mechatronics, the temperature of temperature sensor detection plant equipment simultaneously transmit a signal to list Piece machine;Storage circuit and monolithic mechatronics, storage circuit receive single-chip data and stored;Single-chip microcomputer receives machinery and set Standby vibration signal and temperature signal, is analyzed signal content and is stored.Also include mini-printer, display screen and upper Machine, single-chip microcomputer are connected with mini-printer interface circuit, and mini-printer interface circuit is connected with mini-printer;Single-chip microcomputer connects Display interface circuit is connected to, display interface circuit is connected with display screen;Single-chip microcomputer is connected with serial communication circuit, serial communication electricity Road is connected with host computer.
As shown in Fig. 2 temperature sensor be connected in parallel on no less than one, two and more than two temperature sensors it is same total On line, all temperature sensor multiple spots measure and transmitted temperature signal to single-chip microcomputer, temperature sensor by bus simultaneously is DS18B20 model chips.
DS18B20 only has three pins, wherein two are power line VDD and GND, one is used as bus QD in addition, and its is defeated It is data signal and compatible with Transistor-Transistor Logic level to go out and input, therefore can directly enter line interface with microprocessor.Single-chip microcomputer is sent Control operation order, DS18B20 is completed temperature survey and measurement result is stored in storage circuit, then read this result.
As shown in figure 3, change-over circuit includes modulus conversion chip, pass through data wire between modulus conversion chip and single-chip microcomputer Connection, the conversion end EOF signals of modulus conversion chip do not access single-chip microcomputer.
Modulus conversion chip uses TLC2543 model chips in the present embodiment.Only with 4 between TLC2543 and single-chip microcomputer Line, conversion end EOF do not access single-chip microcomputer, and this is to be generally higher than 10 μ s based on the MCU Instruction between two work periods, Conversion has been completed, it is not necessary to judges that EOF can also perform whether time determination conversion terminates by experiment or computations, so A piece-root grafting line can be saved.In order that circuit is simple and direct, the circuit such as relevant power supply, reference voltage, decoupling is not drawn into.
As shown in figure 4, single-chip microcomputer is connected with display interface circuit, display interface circuit is connected with display screen.Display interface Circuit includes display driver chip, when display driver chip simulates three wire protocols using serial port displacement type of drive or serial port Sequence type of drive drives display screen to work, and display driver chip is MAX7219 model chips.
As shown in figure 5, serial communication circuit includes electrical level transferring chip, electrical level transferring chip receives what single-chip microcomputer was sent Transistor-Transistor Logic level signal simultaneously converts thereof into ELA level signals and transmitted to host computer.Electrical level transferring chip model MAX232 signal cores Piece.Electrical level transferring chip MAX232 can realize Transistor-Transistor Logic level and EIA level bi-directional conversions.There is voltage doubling circuit inside MAX232 And change-over circuit, it is only necessary to which external 5 electric capacity and+5V power supplys can work, easy to use.One MAX232 chip can connect two pairs Receive and dispatch line.TXD the and RXD ends level conversion of communication interface is carried out serial ports with host computer into RS232 EIA level and led to by MAX232 News.
As shown in fig. 6, single-chip microcomputer is connected with mini-printer interface circuit, mini-printer interface circuit and microprinting Machine connects.Mini-printer interface circuit interface uses parallel interface.Parallel interface transmission speed is fast, real-time, suitable near Distance Transmission.Printing interface program is the method using interrupt call, and interruption is sent after a new data are received Signal, the Logical processing unit of single-chip microcomputer enter interrupt service subroutine after interrupt signal is connected to, complete the reception of data.When Filed a request when print data is ready to, the program that Logical processing unit pause is carrying out is transferred as the printer service, place Reason, which finishes, returns former breakpoint succession execution original program.It is used cooperatively by mini-printer interface circuit and mini-printer, The real time print output of data can be carried out, greatly facilitates user.
As described in Figure 7, a kind of mechanical oscillation and temperature checking method according to above-mentioned device, comprise the following steps:
Electric on device, monolithic processor resetting, each component is initialized;
Single-chip microcomputer Vibration on Start-up detects and temperature detection and initialization timer, calls peak data acquisition to handle sub- journey Sequence, read vibration data peak value and show;
Single-chip microcomputer reads temperature sensor data and shown, is then back to and continues cycling through detection;
Single-chip microcomputer, which is stored to data, printed or is sent to, send host computer to be for further processing.
As described in Figure 8, peak data acquisition processing subprogram comprises the following steps:
Single-chip microcomputer starts timer T0, in its interrupt service routine, starts timer T1, constantly detects current width Value, and compared with the high level with being previously set " value is closed in detection ";
If detection closes value and is less than this detected value, terminate this detection and return, if detection closes value and is more than this detected value, Store compared with then constantly detecting data with the last time and in time higher value;
When this detection data is less than last detection data, checks whether detection number alreadys exceed and be previously set time Number, if so, then the previous detected value of single-chip microcomputer memory storage is the peak value of epicycle detection, it is previously set if detection number is less than Number, then continue peak value detection.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only Change and modification, it should all belong to the covering scope of patent of the present invention.

Claims (9)

1. a kind of mechanical oscillation and temperature-detecting device, it is characterised in that:Including vibrating sensor, temperature sensor, sensor Adapter, change-over circuit, storage circuit and single-chip microcomputer, vibrating sensor electrically connect with sensor adapter, sensor adapter Electrically connected with change-over circuit, change-over circuit and monolithic mechatronics, vibrating sensor detect the vibration signal and biography of plant equipment To sensor adapter, sensor adapter receives vibration signal and transmits a signal to monolithic by change-over circuit defeated signal Machine;Temperature sensor and monolithic mechatronics, the temperature of temperature sensor detection plant equipment simultaneously transmit a signal to single-chip microcomputer; Storage circuit and monolithic mechatronics, storage circuit receive single-chip data and stored;Single-chip microcomputer receives plant equipment Vibration signal and temperature signal, are analyzed signal content and are stored.
2. a kind of mechanical oscillation according to claim 1 and temperature-detecting device, it is characterised in that:Also include microprinting Machine, display screen and host computer, single-chip microcomputer are connected with mini-printer interface circuit, mini-printer interface circuit and microprinting Machine connects;Single-chip microcomputer is connected with display interface circuit, and display interface circuit is connected with display screen;Single-chip microcomputer is connected with serial communication Circuit, serial communication circuit are connected with host computer.
3. a kind of mechanical oscillation according to claim 1 and temperature-detecting device, it is characterised in that:Sensor adapter bag Fore-lying device and transmitter are included, fore-lying device electrically connects with vibrating sensor, and fore-lying device receives vibration sensor signal and signal is entered Row amplification;Transmitter electrically connects with change-over circuit, and transmitter receives the signal after amplification and inputs a signal into change-over circuit.
4. a kind of mechanical oscillation according to claim 1 and temperature-detecting device, it is characterised in that:Temperature sensor is many It is connected in parallel in one, two and more than two temperature sensors on same bus, all temperature sensor multiple spots measure simultaneously And transmitted temperature signal to single-chip microcomputer by bus, temperature sensor is DS18B20 model chips.
5. a kind of mechanical oscillation according to claim 1 and temperature-detecting device, it is characterised in that:Change-over circuit includes mould Number conversion chip, is connected between modulus conversion chip and single-chip microcomputer by data wire, the conversion end EOF letters of modulus conversion chip Number single-chip microcomputer is not accessed.
6. a kind of mechanical oscillation according to claim 1 and temperature-detecting device, it is characterised in that:Display interface circuit bag Display driver chip is included, display driver chip simulates three wire protocol Timing drivers using serial port displacement type of drive or serial port Mode drives display screen to work, and display driver chip is MAX7219 model chips.
7. a kind of mechanical oscillation according to claim 1 and temperature-detecting device, it is characterised in that:Serial communication circuit bag Electrical level transferring chip is included, electrical level transferring chip receives the Transistor-Transistor Logic level signal that single-chip microcomputer is sent and converts thereof into ELA level signals Transmit to host computer.
8. mechanical oscillation and the temperature checking method of a kind of device according to claim 1, it is characterised in that including following Step:
Electric on device, monolithic processor resetting, each component is initialized;
Single-chip microcomputer Vibration on Start-up detects and temperature detection and initialization timer, calls peak data acquisition processing subprogram, reads Take vibration data peak value and show;
Single-chip microcomputer reads temperature sensor data and shown, is then back to and continues cycling through detection;
Single-chip microcomputer, which is stored to data, printed or is sent to, send host computer to be for further processing.
9. a kind of mechanical oscillation according to claim 8 and temperature checking method, it is characterised in that:At peak data acquisition Reason subprogram comprises the following steps:
Single-chip microcomputer starts timer T0, in its interrupt service routine, starts timer T1, constantly detects current amplitude, and Compared with the high level " value is closed in detection " being previously set;
If " value is closed in detection " is less than this detected value, terminates this detection and return, if " value is closed in detection " is more than this detected value, Store compared with then constantly detecting data with the last time and in time higher value;
When this detection data is less than last detection data, checks whether detection number alreadys exceed and number be previously set, If so, then the previous detected value of single-chip microcomputer memory storage is the peak value of epicycle detection, if detection number is less than what is be previously set Number, then continue the detection of peak value.
CN201710546480.5A 2017-07-06 2017-07-06 A kind of mechanical oscillation and temperature-detecting device and method Pending CN107478266A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179728A (en) * 2011-03-14 2011-09-14 上海师范大学 Device for intelligently detecting abrasion of numerical control cutting tool
CN202274968U (en) * 2011-10-21 2012-06-13 夏惠兴 Vibration temperature monitor
CN202562619U (en) * 2012-05-17 2012-11-28 廊坊德基机械科技股份有限公司 Multi-point continuous on-line vibrating screen amplitude detector
CN204256505U (en) * 2014-11-28 2015-04-08 浙江理工大学 For the Mechanical Running Condition remote monitoring device of equipment leasing
CN204479104U (en) * 2015-04-12 2015-07-15 邝月娟 A kind of computer detection system
CN207074069U (en) * 2017-07-06 2018-03-06 浙江兆丰机电股份有限公司 A kind of mechanical oscillation and temperature-detecting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179728A (en) * 2011-03-14 2011-09-14 上海师范大学 Device for intelligently detecting abrasion of numerical control cutting tool
CN202274968U (en) * 2011-10-21 2012-06-13 夏惠兴 Vibration temperature monitor
CN202562619U (en) * 2012-05-17 2012-11-28 廊坊德基机械科技股份有限公司 Multi-point continuous on-line vibrating screen amplitude detector
CN204256505U (en) * 2014-11-28 2015-04-08 浙江理工大学 For the Mechanical Running Condition remote monitoring device of equipment leasing
CN204479104U (en) * 2015-04-12 2015-07-15 邝月娟 A kind of computer detection system
CN207074069U (en) * 2017-07-06 2018-03-06 浙江兆丰机电股份有限公司 A kind of mechanical oscillation and temperature-detecting device

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Application publication date: 20171215