CN106092193A - Wireless online mechanics and thermometry, device and application - Google Patents
Wireless online mechanics and thermometry, device and application Download PDFInfo
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- CN106092193A CN106092193A CN201610406277.3A CN201610406277A CN106092193A CN 106092193 A CN106092193 A CN 106092193A CN 201610406277 A CN201610406277 A CN 201610406277A CN 106092193 A CN106092193 A CN 106092193A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING 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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The present invention relates to wireless online mechanics and thermometry, device and application, measuring method includes: design flexibility body, and this elastomer had both met use requirement of strength, can reflect mechanical quantity state to be measured by elastic deformation again；Calculating determines elastomer sensitizing range, at sensitizing range surface configuration mechanical measurement sensor；Elastomer is found temperature measuring point, elastomer arranges sensor for measuring temperature, for measuring the temperature of this temperature measuring point；Realize mechanical measurement signal by electromagnetic induction coupling and temperature measurement signal is wirelessly transferred；Wireless power is realized by electromagnetic induction coupling.The present invention relates to wireless online mechanics and thermometry, device and application, measurement accuracy is high, the suitability is strong.
Description
Technical field
The present invention relates to on-line checking, fields of measurement, be specifically related to a kind of wireless online mechanics and thermometry, dress
Put and apply.
Background technology
Agitating friction weldering is a kind of novel solder technology, and for solder technology, welding process quality control is popular
Study frontier field.Agitating friction weldering is a complicated technical process, and the principal element affecting agitating friction weldering quality has
The material of stirring soldering tip and structure, stirring soldering tip rotary speed, speed of welding, thrust etc..Stirring soldering tip and welded piece table
Thrust butt welded seam between face be formed with large effect.When thrust deficiency, surface heat plastic metal floats, and overflows
Face of weld, can form hole due to the floating of metal bottom weld seam after the cooling period.When thrust is excessive, the shaft shoulder and weldment
Skin-friction force increases, and frictional heat will make the shaft shoulder that viscous head phenomenon occurs, and make face of weld the defect such as overlap, burr occur.Therefore,
In welding process, obtain the exact value of thrust, constitute closed loop control with kinetic control system, thus realize welding process
Constant pressure controls the important channel being to improve agitating friction weldering quality.But, owing to agitating friction is welded the survey of standby middle thrust
Amount needs to carry out long-time measurement continuously under the circumference of the high-speed rotation, and certainty of measurement requires height, and therefore, thrust is measured also
It it is the factor being most difficult in agitating friction weldering welding quality key factor measure.Therefore, research is applicable to stir friction welding process
The method and apparatus that middle thrust is measured is significant.
At present, have attempted to following methods and attempt to solve this problem:
One, pressure transducer is installed on dead axle indirectly to measure: this method uses pressure transducer ripe on market
Product, is arranged on the installing space designed on dead axle, by the measurement of axial force on dead axle is reflected welding process indirectly
In thrust.The method avoids a difficult problem for moving axis signal output, but it is many to measure uncertain factor, measured value cannot be true
The size of reflection actual forces, and cannot be corrected by the method demarcated；On the other hand, Market goods shelf product is mostly in size and strong
Degree aspect cannot meet use requirement, needs customization, and customisation costs is multiplied, and delivery date is long.
Two, pressure transducer is installed on moving axis directly to measure: this method solves measurement accuracy well
Problem, but the problem of maximum is exactly the transmission of signal on moving axis, and traditional sensors uses the mode output signal of slip ring.Make
Using middle discovery, after working long hours, slip ring easily generates heat aging, even breaking releasing, poor reliability.
Three, along with electronic technology and the development of wireless communication technology, measure occasion more and more and have employed wireless communication
The mode of number transmission replaces slip ring transmit, thus realizes contactless pressure transducer and measure, it is achieved that reliable force measurement.
But at present in terms of transmission of wireless signals, the general wireless module using standard realizes signal and is wirelessly transferred；In terms of power supply,
General employing battery is powered.The advantage of this composition form is to achieve transmission of wireless signals, and uses goods shelf products, cost
Low, reliability is high.But there is problems in that limited battery life, it is impossible to realize long time continuous working；If increasing the battery longevity
Ordering then battery volume weight to increase, the dynamic equilibrium problems under high speed rotating affects measurement accuracy；Electricity under on-the-spot processing environment
The performance in pond has uncertainty.
Summary of the invention
It is an object of the invention to provide a kind of wireless online mechanics and thermometry, device and application, use nothing
Source wireless measurement scheme, measurement accuracy is high, the suitability is strong.
To achieve the above object, the present invention provides a kind of wireless online mechanics and thermometry, including: (1)
Design flexibility body, this elastomer had both met use requirement of strength, and can reflect mechanical quantity state to be measured by elastic deformation again；(2)
Calculating determines elastomer sensitizing range, at sensitizing range surface configuration mechanical measurement sensor；Elastomer is found temperature
Degree measures point, arranges sensor for measuring temperature on elastomer, for measuring the temperature of this temperature measuring point；(3) electromagnetism is passed through
Inductively realize measurement signal and temperature measurement signal in mechanics to be wirelessly transferred；(4) nothing is realized by electromagnetic induction coupling
Line is powered.
Above-mentioned wireless online mechanics and thermometry, wherein, described elastomer is lathe handle of a knife.
Above-mentioned wireless online mechanics and thermometry, wherein, described mechanical quantity includes axial force, moment of torsion and moment of flexure.
Another technical scheme that the present invention provides is a kind of wireless online mechanics and temperature measuring equipment, including elastomer,
Mechanical measurement module, temperature-measuring module and wireless power and signal hybrid measurement module；Described elastomer had both met use
Requirement of strength, can reflect mechanical quantity state to be measured by elastic deformation again；Described mechanical measurement module and temperature-measuring module
It is arranged on described elastomer；Described wireless power and signal hybrid measurement module include transmitter module and receiver module, described
Receiver module is arranged on described elastomer, and described transmitter module is arranged on outside described elastomer；Described mechanical measurement module
The temperature signal that the mechanical quantity signal recorded and described temperature-measuring module record sends into described receiver module, by described reception mould
Mechanical quantity signal and temperature signal are passed to described transmitter module every sky by electromagnetic induction coupling by block；Described transmitter module leads to
Cross electromagnetic induction coupling and external electric energy is transferred to described receiver module, in mechanical measurement module and temperature-measuring module
Circuit is powered.
Above-mentioned wireless online mechanics and temperature measuring equipment, wherein, described mechanical measurement module includes axial force measuration
Module and torque measurement module；Described axial force measuration module includes axial force strain bridge and axial force signal processing circuit,
Described axial force signal processing circuit is for gathering, amplifying the faint axial force signal that axial force strain bridge records；Described torsion
Square measurement module includes that moment of torsion strain bridge and torque signal process circuit, and described torque signal processes circuit and is used for gathering, putting
The faint torque signal that high pulling torque strain bridge records；Described elastomer possesses sensitizing range, described axial force strain bridge and
Moment of torsion strain bridge is installed on the surface of sensitizing range；Described elastomer is provided with circuit mounting area, described circuit installing zone
Territory uses circulus to be set in outside the sensitizing range of described elastomer, at described axial force signal processing circuit and torque signal
Reason circuit is installed on described circuit mounting area.
Above-mentioned wireless online mechanics and temperature measuring equipment, wherein, described receiver module includes signal sampling module, signal
Processing module, load circuit and induction receiving coil；Receiver module installation region, described reception mould it is additionally provided with on described elastomer
Block installation region uses circulus to be set in outside the sensitizing range of described elastomer；Described signal sampling module, signal processing
Module and load circuit are installed on described circuit mounting area；Described induction receiving coil and magnetic core are installed on described receiver module
Installation region；Signal sampling module realizes amplification and the conditioning of small-signal, and signal processing module is by the signal after conditioning amplification
Carrying out quantifying and digitized processing generation digital signal, digital signal is loaded in load circuit and is modulated, and modulated signal adds
It is downloaded on induction receiving coil.
Above-mentioned wireless online mechanics and temperature measuring equipment, wherein, described temperature-measuring module include temperature sensor and
Processes temperature signal circuit, described processes temperature signal circuit is for gathering, compensate, amplifying the faint temperature that temperature sensor records
Degree signal；Described temperature sensor is installed on temperature measuring point, and described processes temperature signal circuit is installed on described circuit and installs
Region.
Above-mentioned wireless online mechanics and temperature measuring equipment, wherein, including launching induction coil and switching controller, described
Switching controller includes that high-frequency power amplifying circuit, high-frequency oscillating circuits, signal provide processing module and post-processing module；High frequency
Power amplification circuit realizes externally fed DC source and is loaded on capacitor and inductor parallel-connection structure through inversion, is converted into magnetic field；Turn
Induction coil sensing in the magnetic field of change of launching on axle produces electromotive force, and electromotive force compensates through high-frequency oscillating circuits series resonance
After, powered to receiver module circuit by rectification and voltage stabilizing；Meanwhile, receiver module is passed through electromagnetism coupling by signal extraction processing module
The digital signal that conjunction principle is coupled to launch on induction coil extracts, and the digital signal extracted contains sensor mechanics
And temperature measurement information, carry out Digital Signal Processing by post-processing module, finally deliver to display screen and show, utilize electromagnetism
Inductively mode realizes the synchronous wireless transmission of electric energy and signal.
Above-mentioned wireless online mechanics and temperature measuring equipment, wherein, have between described receiver module and transmitting induction coil
The air gap, this air gap is 3～10mm.
Above-mentioned wireless online mechanics and temperature measuring equipment, wherein, described elastomer is lathe handle of a knife.
The another technical scheme that the present invention provides is a kind of wireless online mechanics and the application process of temperature measuring equipment, uses
Mechanics and temperature survey in various machine tool chief axis.
Above-mentioned wireless online mechanics and the application process of temperature measuring equipment, wherein, described lathe is friction stir welding machine
Bed.
The wireless online mechanics of the present invention and thermometry, device and application, use electromagnetic induction coupling to realize nothing
The transmission of line signal and wireless power transmission, it is to avoid use battery is powered, and substantially increases the accuracy of measurement；The present invention only needs
Lathe handle of a knife being carried out transformation can realize, can be applicable to various machine tool chief axis mechanics and temperature survey, the suitability is strong.
Accompanying drawing explanation
The wireless online mechanics of the present invention and thermometry, device and application are given by below example and accompanying drawing
Go out.
Fig. 1 is wireless online mechanics and the structural representation of temperature measuring equipment of present pre-ferred embodiments.
Fig. 2 is wireless online mechanics and the schematic block circuit diagram of temperature measuring equipment of present pre-ferred embodiments.
Detailed description of the invention
Below with reference to Fig. 1～Fig. 2 to wireless online mechanics and thermometry, the device of the present invention and should be used as into
The detailed description of one step.
Wireless online mechanics and thermometry, including:
(1) design flexibility body, this elastomer had both met use requirement of strength, but also can reflect mechanical quantity to be measured by elastic deformation
State；
(2) calculating determines elastomer sensitizing range, at sensitizing range surface configuration mechanical measurement sensor；On elastomer
Find temperature measuring point, elastomer arranges sensor for measuring temperature, for measuring the temperature of this temperature measuring point；
(3) realize mechanical measurement signal by electromagnetic induction coupling and temperature measurement signal is wirelessly transferred；
(4) wireless power is realized by electromagnetic induction coupling.
As a example by agitating friction welds, now describe wireless online mechanics and thermometry, the device of the present invention in detail and answer
With.
Handle of a knife one end of friction stir welding machine bed is connected with main shaft, and the other end is connected with cutter, and spindle jacket sets spindle shaft
Set.In the course of processing, main shaft drives handle of a knife and cutter at high speeds to rotate, and workpiece to be machined is processed by cutter by contact.Essence
Really measure main shaft state parameter (axial force, moment of torsion and temperature) in the course of processing, constitute closed loop control with kinetic control system, right
Improve agitating friction weldering quality significant.
The present embodiment is accurately to measure main shaft state parameter, is transformed handle of a knife: 1) handle of a knife employing elastomer, this bullet
Gonosome can meet use requirement of strength, can produce again elastic deformation, can accurately reflect out the mechanical state in the course of processing；
2) foil gauge installation region, circuit mounting area and module mounting area are set on elastomer.
Fig. 1 show wireless online mechanics and the structural representation of temperature measuring equipment of present pre-ferred embodiments.Fig. 2
It show wireless online mechanics and the schematic block circuit diagram of temperature measuring equipment of present pre-ferred embodiments.
As depicted in figs. 1 and 2, wireless online mechanics and the temperature measuring equipment of the present embodiment includes elastomer 3, axial force
Measurement module 22, torque measurement module 23, temperature-measuring module 24, wireless power and signal hybrid measurement module.
Described elastomer 3 one end is connected with main shaft 2, and the other end is connected with cutter 14, the outer sheathed main shaft sleeve 1 of main shaft 2.Institute
Stating elastomer 3 and possess sensitizing range 25, described sensitizing range 25 is met strain sensitive degree requirement, is determined by calculating.Calculate
Determining sensitizing range, the existing maturation method of prior art, this is not launched to illustrate by the present embodiment.Described elastomer 3 is provided with
Circuit mounting area 4, axial force strain bridge installation region 5, temperature-measuring module installation region 6, moment of torsion strain bridge are installed
Region 7 and receiver module installation region 8；Described axial force strain bridge installation region 5 and described moment of torsion strain bridge installing zone
Territory 7 is arranged on the surface of described sensitizing range 25；Described circuit mounting area 4 and receiver module installation region 8 use ring-type knot
Structure is set in outside the sensitizing range 25 of described elastomer 3；Described temperature-measuring module installation region 6 is located at elastomer 3 and is connected cutter
One end of tool 14.
Described axial force measuration module 22 includes axial force strain bridge and axial force signal processing circuit, wherein, described
Axial force strain bridge is installed on described axial force strain bridge installation region 5, and described axial force signal processing circuit is installed on
Described circuit mounting area 4, described axial force signal processing circuit for gathering, amplify that axial force strain bridge records faint
Axial force signal.
Described torque measurement module 23 includes that moment of torsion strain bridge and torque signal process circuit, and wherein, described moment of torsion should
Power transformation bridge is installed on described moment of torsion strain bridge installation region 7, and described torque signal processes circuit and is installed on the installation of described circuit
Region 4, described torque signal processes the faint torque signal that circuit is used for gathering, torque multiplication strain bridge records.
Described temperature-measuring module 24 includes temperature sensor and processes temperature signal circuit, wherein, described temperature sensing
Device is installed on described temperature-measuring module installation region 6, it is preferred that described temperature sensor is installed on described temperature by installing set
Degree measurement module installation region 6, described processes temperature signal circuit is installed on described circuit mounting area 4, described temperature signal
Process circuit for gathering, compensate, amplifying the shallow temperature signal that temperature sensor records.
Described wireless power and signal hybrid measurement module include transmitter module 16 and receiver module 20.Described transmitter module
16 include launching induction coil 9 and switching controller 10, and described transmitting induction coil 9 is arranged on described spindle shaft by support 11
On set 1, described transmitting induction coil 9 is connected with described switching controller 10 by cable 12, and described switching controller 10 passes through
Cable is connected with digital control system 13.Described switching controller 10 is installed in numerical control rack.
In the course of processing, main shaft 2 drives elastomer 3 and cutter 14 high speed rotating, and cutter 14 is by contacting processed work
Part 15 is processed, and axial force and moment of torsion in the course of processing are delivered to sensitizing range, are installed in this surface, sensitizing range
Axial force strain bridge and moment of torsion strain bridge identify respectively, and pass through respectively at axial force signal processing circuit and torque signal
After reason circuit amplifies, sending into wireless power and the receiver module 20 of signal mixed transport module, temperature sensor measurement is by thermometric
The temperature of degree point, after being amplified by processes temperature signal circuit, sends into wireless power and the reception mould of signal mixed transport module
Block 20, axial force signal, torque signal and temperature signal are passed to launch every sky by receiver module 20 by electromagnetic induction coupling
Induction coil 9, converted controller 10 is processed into the voltage signal that can be identified by digital control system 13 and feeds back to digital control system 13
In, it is achieved the closed loop control of main shaft state parameter in NC Machining Process.In the course of processing, wireless power and signal mixing pass
External electric energy is transferred to receiver module 20, for elastomer circuit installing zone by electromagnetic induction coupling by the transmitter module 16 in defeated
Each circuit in territory 4 is powered.
As in figure 2 it is shown, described receiver module 20 includes signal sampling module, signal processing module, load circuit and reception
Induction coil 21；Signal sampling module realizes amplification and the conditioning of small-signal, and signal processing module is by the letter after conditioning amplification
Number carrying out quantifying and digitized processing generates digital signal, digital signal is loaded in load circuit and is modulated, modulated signal
It is loaded on induction receiving coil 21, utilizes electromagnetic coupled mode to carry out the transmission of electric energy and signal.Described signal employing module,
Signal processing module and load circuit are installed on described circuit mounting area 4, and described induction receiving coil 21 and magnetic core 19 are installed
In described receiver module installation region 8, between described receiver module 20 and transmitting induction coil 9, there is the air gap, between this air
Gap is 3～10mm.
As in figure 2 it is shown, described switching controller 10 includes high-frequency power amplifying circuit, high-frequency oscillating circuits, signal extraction
Processing module and post-processing module；High-frequency power amplifying circuit realizes externally fed DC source DC24V and is loaded into electricity through inversion
Hold in inductance in parallel structure, be converted into magnetic field；Induction coil 9 sensing in the magnetic field of change of launching in rotating shaft (magnetic core 19) is produced
Raw electromotive force, electromotive force, after high-frequency oscillating circuits series resonance compensates, is powered to receiver module circuit by rectification and voltage stabilizing；With
Time, receiver module is coupled to launch the digital signal on induction coil 9 by signal extraction processing module by electromagnetic coupled principle
Extracting, the digital signal extracted contains sensor mechanics and temperature measurement information, by post-processing module number
Word signal processing, finally delivers to display screen and shows, utilizes electromagnetic induction coupled modes to realize the synchronization nothing of electric energy and signal
Line transmits.It is preferred that described axial force strain bridge installation region 5 and described moment of torsion strain bridge installation region 7 all use
Make groove on described elastomer 3 to be formed, the surface of the most described sensitizing range, groove bottom 25.Described axial force strain bridge and
Described moment of torsion strain bridge all uses semiconductor gauge or foil gage form, is pasted on groove bottom.
It is preferred that described temperature-measuring module installation region 6 is formed by making groove and hole on described elastomer 3,
Make temperature sensor can measure the temperature of dut temperature point.
It is preferred that described circuit mounting area 4 and be installed on this circuit mounting area each circuit use circuit board shape
Formula is formed.Described receiver module installation region 8 is fixed by epoxy resin, seals.
The present invention by transformation handle of a knife, make handle of a knife possess measurement function, by electromagnetic induction coupling realize wireless power and
Main shaft state parameter is measured signal and is wirelessly transferred, and is not i.e. using battery, wireless signal sending module, the premise of conducting slip ring
Under, it is achieved that the online mechanics of high-speed rotary main shaft and temperature parameter are measured.
The wireless online mechanics of the present embodiment and temperature measuring equipment and measuring method also can measure moment of flexure.
The wireless online mechanics of the present embodiment and temperature measuring equipment and measuring method, also may select other of tested main shaft
Connector is elastomer.
The wireless online mechanics of the present embodiment and temperature measuring equipment and measuring method also apply be applicable to non-stirred friction welding (FW)
The mechanics of the high-speed rotating shaft in termination process and temperature survey.
The wireless online mechanics of the present embodiment and temperature measuring equipment and measuring method can be applicable to various machine tool chief axis axle
To power and the measurement of output moment of torsion, for the health monitoring of main shaft, for realizing main shaft axial force and the control of moment of torsion, with full
Foot processing technique is to main shaft axial force and the requirement of moment of torsion.Such as: the outer surface for thin wall shell machines, and controls cutter
With the normal direction contact force of workpiece in desired scope, thus ensure that the deformation of thin wall shell is in expected range；For milling
Cut quality monitoring and the Monitoring of Tool Condition etc. of the course of processing.
The present invention has been successfully applied in development and the production and application of friction stir welding machine bed, and measured signal feeds back to
In digital control system, constitute closed loop control, it is achieved that the constant pressure in stir friction welding process controls.
Claims (12)
1. wireless online mechanics and thermometry, it is characterised in that including:
(1) design flexibility body, this elastomer had both met use requirement of strength, and can reflect mechanical quantity shape to be measured by elastic deformation again
State；
(2) calculating determines elastomer sensitizing range, at sensitizing range surface configuration mechanical measurement sensor；On elastomer
Find temperature measuring point, elastomer arranges sensor for measuring temperature, for measuring the temperature of this temperature measuring point；
(3) realize measurement signal and temperature measurement signal in mechanics by electromagnetic induction coupling to be wirelessly transferred；
(4) wireless power is realized by electromagnetic induction coupling.
2. wireless online mechanics as claimed in claim 1 and thermometry, it is characterised in that described elastomer is lathe
Handle of a knife.
3. wireless online mechanics as claimed in claim 1 and thermometry, it is characterised in that described mechanical quantity includes axle
Xiang Li, moment of torsion and moment of flexure.
4. wireless online mechanics and temperature measuring equipment, it is characterised in that include that elastomer, mechanical measurement module, temperature are surveyed
Measure module and wireless power and signal hybrid measurement module；
Described elastomer had both met use requirement of strength, can reflect mechanical quantity state to be measured by elastic deformation again；
Described mechanical measurement module and temperature-measuring module are arranged on described elastomer；
Described wireless power and signal hybrid measurement module include that transmitter module and receiver module, described receiver module are arranged on institute
Stating on elastomer, described transmitter module is arranged on outside described elastomer；
Mechanical quantity signal that described mechanical measurement module records and the temperature signal that described temperature-measuring module records send into institute
State receiver module, described receiver module by electromagnetic induction coupling, mechanical quantity signal and temperature signal are passed to every sky described
Transmitter module；External electric energy is transferred to described receiver module by electromagnetic induction coupling by described transmitter module, measures for mechanics
Circuit in amount module and temperature-measuring module is powered.
5. wireless online mechanics as claimed in claim 4 and temperature measuring equipment, it is characterised in that described mechanical measurement mould
Block includes axial force measuration module and torque measurement module；Described axial force measuration module includes that axial force strain bridge is with axial
Force signal processes circuit, and described axial force signal processing circuit is for gathering, amplifying the faint axle that axial force strain bridge records
To force signal；Described torque measurement module includes that moment of torsion strain bridge and torque signal process circuit, and described torque signal processes
Circuit is used for the faint torque signal gathered, torque multiplication strain bridge records；Described elastomer possesses sensitizing range, described axle
The surface of sensitizing range it is installed on to stress-strain electric bridge and moment of torsion strain bridge；Described elastomer is provided with circuit mounting area,
Described circuit mounting area uses circulus to be set in outside the sensitizing range of described elastomer, described axial force signal processing electricity
Road and torque signal process circuit and are installed on described circuit mounting area.
6. wireless online mechanics as claimed in claim 4 and temperature measuring equipment, it is characterised in that described receiver module includes
Signal sampling module, signal processing module, load circuit and induction receiving coil；Receiver module peace it is additionally provided with on described elastomer
Dress region, described receiver module installation region uses circulus to be set in outside the sensitizing range of described elastomer；Described signal
Sampling module, signal processing module and load circuit are installed on described circuit mounting area；Described induction receiving coil and magnetic core
It is installed on described receiver module installation region；Signal sampling module realizes amplification and the conditioning of small-signal, signal processing module
Signal after conditioning being amplified carries out quantifying and digitized processing generation digital signal, and digital signal is loaded in load circuit
Row modulation, modulated signal is loaded on induction receiving coil.
7. wireless online mechanics as claimed in claim 4 and temperature measuring equipment, it is characterised in that described temperature-measuring module
Including temperature sensor and processes temperature signal circuit, described processes temperature signal circuit is used for gathering, compensate, amplify temperature passes
The shallow temperature signal that sensor records；Described temperature sensor is installed on temperature measuring point, and described processes temperature signal circuit is pacified
It is loaded on described circuit mounting area.
8. wireless online mechanics as claimed in claim 4 and temperature measuring equipment, it is characterised in that include launching induction coil
And switching controller, described switching controller includes that high-frequency power amplifying circuit, high-frequency oscillating circuits, signal provide processing module
And post-processing module；High-frequency power amplifying circuit realizes externally fed DC source and is loaded into capacitor and inductor parallel-connection structure through inversion
On, it is converted into magnetic field；Induction coil sensing in the magnetic field of change of launching in rotating shaft produces electromotive force, and electromotive force is through the higher-order of oscillation
After circuit connected in series resonance compensation, powered to receiver module circuit by rectification and voltage stabilizing；Meanwhile, signal extraction processing module will connect
The digital signal that receipts module is coupled to launch on induction coil by electromagnetic coupled principle extracts, the digital signal extracted
Contain sensor mechanics and temperature measurement information, carry out Digital Signal Processing by post-processing module, finally deliver to display screen
Show, utilize electromagnetic induction coupled modes to realize the synchronous wireless transmission of electric energy and signal.
9. wireless online mechanics as claimed in claim 8 and temperature measuring equipment, it is characterised in that described receiver module with send out
Penetrating and have the air gap between induction coil, this air gap is 3～10mm.
10. the wireless online mechanics as described in any claim in claim 4 to 9 and temperature measuring equipment, its feature exists
In, described elastomer is lathe handle of a knife.
Wireless online mechanics as described in any claim and the application side of temperature measuring equipment in 11. such as claim 4 to 9
Method, it is characterised in that for mechanics and the temperature survey of various machine tool chief axis.
12. wireless online mechanics as claimed in claim 11 and the application processes of temperature measuring equipment, it is characterised in that described
Lathe is friction stir welding machine bed.
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| CN201610406277.3A CN106092193A (en) | 2016-06-12 | 2016-06-12 | Wireless online mechanics and thermometry, device and application |
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| CN108469310A (en) * | 2018-02-01 | 2018-08-31 | 东华大学 | A kind of knife handle type temperature monitoring device |
| CN109323724A (en) * | 2018-11-02 | 2019-02-12 | 东华大学 | A kind of power heat integration test sensor with thermal protection function |
| TWI659217B (en) * | 2018-03-27 | 2019-05-11 | 國立交通大學 | Wireless passive strain sensor |
| TWI732676B (en) * | 2020-09-14 | 2021-07-01 | 喬崴進科技股份有限公司 | Friction stir welding adapter and tool holder having an air valve switch system |
| CN116839780A (en) * | 2023-07-06 | 2023-10-03 | 西安电子科技大学 | Weak electromagnetic force measuring device and method for wireless power transmission coupler |
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| TWI659217B (en) * | 2018-03-27 | 2019-05-11 | 國立交通大學 | Wireless passive strain sensor |
| CN109323724A (en) * | 2018-11-02 | 2019-02-12 | 东华大学 | A kind of power heat integration test sensor with thermal protection function |
| TWI732676B (en) * | 2020-09-14 | 2021-07-01 | 喬崴進科技股份有限公司 | Friction stir welding adapter and tool holder having an air valve switch system |
| CN116839780A (en) * | 2023-07-06 | 2023-10-03 | 西安电子科技大学 | Weak electromagnetic force measuring device and method for wireless power transmission coupler |
| CN116839780B (en) * | 2023-07-06 | 2024-04-23 | 西安电子科技大学 | Weak electromagnetic force measuring device and method for wireless power transmission coupler |
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Application publication date: 20161109 |