CN105973512A - self-generating electricity wireless transmission piezoelectric torque dynamometer - Google Patents
self-generating electricity wireless transmission piezoelectric torque dynamometer Download PDFInfo
- Publication number
- CN105973512A CN105973512A CN201610459352.2A CN201610459352A CN105973512A CN 105973512 A CN105973512 A CN 105973512A CN 201610459352 A CN201610459352 A CN 201610459352A CN 105973512 A CN105973512 A CN 105973512A
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- dynamometer
- self
- circuit part
- flange
- piezoelectric
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses a self-generating electricity wireless transmission piezoelectric torque dynamometer and belongs to the field of piezoelectric force measurement and petroleum exploration. The torque dynamometer comprises a disc type power generator, a flange, upper and lower covers, unidirectional piezoelectric sensors, a circuit portion and an end cover. Signal acquisition and signal processing functions are integrated into one body, the signal acquisition function is accomplished through a torque force measurement system which comprises the upper and lower covers and two unidirectional piezoelectric sensors taking quartz crystals as sensing elements, the signal processing function is accomplished through the circuit portion, the circuit portion mainly realizes voltage stabilizing, charge amplification, A/D conversion and data sending, through an acquired torque signal after being processed, communication with a host computer is realized through a Bluetooth module, and wireless signal transmission and real-time monitoring are realized. The disc type power generator provides electric energy for the whole system, and a problem of wire redundancy of a traditional measurement system can be solved. The torque dynamometer is advantaged in that properties of good frequency response and transient response, high sensitivity, reliable operation and compact structure are realized, and a piezoelectric measurement system application scope is greatly expanded.
Description
Technical field
The invention belongs to sensing, measurement and control area, relate to a kind of self-generating wireless transmission piezoelectric type moment of torsion dynamometer,
Utilize piezoelectric type device for measuring force, TRT and signal processing module, solve in drilling process drilling rod
Moment of torsion carries out the problem of real-time state monitoring, has relatively in fields such as oil drilling, geologic prospect, engineering machinery
Many application.
Background technology
Drilling process is monitored the change of drilling rod moment of torsion, can be abnormal with early discovery hole deviation and down-hole pressure, and
May determine that the working condition of drill bit and drilling rod, to preventing the drilling rod in bad ground from twisting off and drilling failure
Prevent particularly important, be one of parameter of necessary observing and controlling in drilling engineering.Current domestic and international multiplex resistance-strain type
The moment of torsion of drilling rod is monitored by moment of torsion dynamometer.
The measuring principle of resistance-strain type moment of torsion dynamometer is: adhering resistance strain sheets on elastic construction, is subject to
During to external force, resistance strain gage produces elastic deformation together along with elastic construction, and deformation is turned by strain ga(u)ge
Turn to the change of resistance value, then by calculating the size that can measure power.This dynamometer have precision high,
The advantages such as stable performance, non-linear and hysteresis error is little, use is flexible.But due to resistance-strain type torque measuring
The rigidity of power instrument is little, dynamic test poor-performing, and holding wire and supply lines are lengthy and jumbled, greatly limit it and is turning round
Application in square fields of measurement.
Traditional piezoelectric type moment of torsion dynamometer is mostly applied to the cutting force of the processes such as milling, brill, grinding and surveys
Amount.It is characterized in high rigidity, high natural frequency, high sensitivity, it is often more important that frequency response and transient state are rung
Should be good.But owing to traditional piezoelectric type moment of torsion dynamometer is in signal transmission, physical dimension, measurement scope etc.
The constraint of aspect so that it is be not directly applicable in drilling platforms the status monitoring to drilling rod, it is therefore necessary to
Develop a kind of self-generating wireless transmission piezoelectric type moment of torsion dynamometer.
Summary of the invention
The technical barrier that the invention solves the problems that is the signal transmission side changing traditional piezoelectric type moment of torsion dynamometer
Formula, physical dimension size, measurement scope etc. so that it is be applied to some specific occasion, and invent a kind of spontaneous
Electricity is wirelessly transferred piezoelectric type moment of torsion dynamometer.The technology of the present invention performance is good, reliable operation, compact conformation, pole
Widen greatly piezoelectric type test systematic difference scope.
Technical scheme:
A kind of self-generating wireless transmission piezoelectric type moment of torsion dynamometer, including disk generator, T-shaped flange, dynamometry
Instrument upper cover, direction piezoelectric transducer, dynamometer lower cover, work shape flange, circuit part, end cap and bolt,
Disk generator is enclosed within T-shaped flange, and the two centrage overlaps, the axial displacement of disk generator and circumference
End face boss and key that displacement is provided with by T-shaped flange respectively coordinate restriction；T-shaped flange by bolt with
Dynamometer upper cover tightens together；Direction piezoelectric transducer respectively with the convex block side table that is covered with on dynamometer
The Baltimore groove inner surface laminating being covered with under face and dynamometer, three is fixed by pretension bolt, its camber
Block and Baltimore groove main body are rectangular structure；Work shape flange is divided by upper disk and the lower disc which is provided with
Not being rigidly connected by bolt with dynamometer lower cover and end cap, work shape flange inner chamber is used for putting circuit part,
Circuit part is connected with end cap by screw；The electric energy that disk generator produces is circumferentially with by work shape flange
Aviation plug be transferred to circuit part, circuit part primarily serve voltage stabilizing, electric charge amplify, A/D conversion,
Data transmissions etc. act on, and carry out communication by bluetooth module and host computer after being processed by the torque signal collected.
T-shaped flange and end cap are equipped with universal joint installing hole, it is simple to be connected with universal joint, and two universal joints are respectively with dynamic
After power power shaft and drilling rod connect, can come into operation.
Described convex block side surface is parallel to each other with Baltimore groove inner surface.
Beneficial effects of the present invention: a kind of self-generating wireless transmission piezoelectric type moment of torsion dynamometer of design invention,
Change signal transmission form and the system power supply mode of conventional torque dynamometer, there is high rigidity, Gao Gu
There is the advantage such as frequency, high sensitivity.The present invention is reasonable in design, volume is little, certainty of measurement is high, oil,
The aspects such as natural gas exploration have a wide range of applications.
Accompanying drawing explanation
Fig. 1 is the self-generating wireless transmission piezoelectric type moment of torsion dynamometer schematic diagram of the present invention.
Fig. 2 is that the self-generating wireless of the present invention transmits T-shaped flange schematic diagram in piezoelectric type moment of torsion dynamometer.
Fig. 3 is that the self-generating wireless of the present invention transmits dynamometer upper cover and unidirectional pressure in piezoelectric type moment of torsion dynamometer
Electric transducer assembling schematic diagram.
Fig. 4 is that the self-generating wireless of the present invention transmits dynamometer lower cover schematic diagram in piezoelectric type moment of torsion dynamometer.
Fig. 5 is that the self-generating wireless of the present invention transmits work shape flange schematic diagram in piezoelectric type moment of torsion dynamometer.
Fig. 6 is that the self-generating wireless of the present invention transmits end cap and circuit part signal in piezoelectric type moment of torsion dynamometer
Figure.
Fig. 7 is the mechanics simplified model of the present invention.
In figure: 1 disk generator；2 T-shaped flanges；3 end face boss；4 keys；5 dynamometer upper covers；6 is single
To piezoelectric transducer；7 dynamometer lower covers；8 pretension bolts；9 work shape flanges；Disk on 10；11 lower discs；
12 end caps；13 work shape flange inner chambers；14 circuit parts；15 aviation plugs；16 universal joint installing holes；a
Convex block side surface；B Baltimore groove inner surface.
Detailed description of the invention
Below in conjunction with accompanying drawing and technical scheme, further illustrate the detailed description of the invention of the present invention.
Disk generator 1 is enclosed within T-shaped flange 2, and the two centrage overlaps, and T-shaped flange 2 is provided with
End face boss 3 limits the axial displacement of disk generator 1, disk generator 1 circumferentially displaced by key 4
Limit.T-shaped method 2 orchid is bolted and tightens together with dynamometer upper cover 5.One-way piezoelectric senses
The spill that what device 6 was provided with dynamometer upper cover 5 respectively convex block side surface a and dynamometer lower cover 7 are provided with
Groove inner surface b fits, and fixes with pretension bolt 8.Upper disk 10 that work shape flange 9 is provided with and dynamometer
Lower cover 7 is bolted, and lower disc 11 is bolted with end cap 12, and work shape flange 9 is provided with
Inner chamber 13 is used for putting circuit part 14, and circuit part 14 is connected with end cap 12 by screw.Disc type generates electricity
The aviation plug 15 that the electric energy that machine produces is circumferentially with by work shape flange is transferred to circuit part 14, circuit part
14 are divided to primarily serve the effects such as electric charge amplification, A/D conversion, data transmission, at the torque signal that will collect
Carry out communication by bluetooth module and host computer after reason, it is achieved that the real-time monitoring of drilling rod torque condition, prevent
The generation of peril.T-shaped flange 2 and end cap 12 are equipped with universal joint installing hole 16, it is simple to universal joint
Connecting, two universal joints are connected with power input shaft and drilling rod respectively, it is possible to come into operation.
According to principle of moment balance, the moment of friction that power input shaft input torque is subject to drilling rod is equal.With
Mathematical formulae is expressed and is: Mf=Min=(F1+F2)d
M in formulafFor moment of friction, MinFor input torque, F1、F2It is respectively two individual event piezoelectric transducers to record
Normal pressure, d is the arm of force.
Although the present invention is made that detailed description with above-mentioned preferred embodiment to the present invention, but not uses
State embodiment and limit the present invention.Those skilled in the art is it should be recognized that without departing from given by the present invention
In the case of technical characteristic and scope, increase that technology is made, with the replacement of some same contents of this area,
Protection scope of the present invention all should be belonged to.
Claims (2)
1. a self-generating wireless transmission piezoelectric type moment of torsion dynamometer, it is characterised in that this self-generating wireless transmission piezoelectricity
Formula moment of torsion dynamometer includes disk generator, T-shaped flange, dynamometer upper cover, direction piezoelectric transducer, dynamometry
Instrument lower cover, work shape flange, circuit part, end cap and bolt, disk generator is enclosed within T-shaped flange,
The two centrage overlaps, and axial displacement and the circumferentially displaced T-shaped flange that passes through respectively of disk generator are provided with
End face boss and key coordinate limit；T-shaped flange is tightened together with dynamometer upper cover by bolt；Unidirectional pressure
Electric transducer respectively with in the Baltimore groove that is covered with under the convex block side surface that is covered with on dynamometer and dynamometer
Fitting in surface, three is fixed by pretension bolt, and its camber block and Baltimore groove main body are rectangular structure；
Work shape flange is firm by bolt with dynamometer lower cover and end cap respectively by the upper disk which is provided with and lower disc
Property connect, work shape flange inner chamber is used for putting circuit part, and circuit part is connected with end cap by screw；Dish
The aviation plug that the electric energy that formula electromotor produces is circumferentially with by work shape flange is transferred to circuit part, circuit
Part carries out communication by bluetooth module and host computer after being processed by the torque signal collected；T-shaped flange and end
Lid is equipped with universal joint installing hole, it is simple to be connected with universal joint, two universal joints respectively with power input shaft and
After drilling rod connects, i.e. come into operation.
Self-generating wireless the most according to claim 1 transmission piezoelectric type moment of torsion dynamometer, it is characterised in that described
Convex block side surface be parallel to each other with Baltimore groove inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459352.2A CN105973512B (en) | 2016-06-22 | 2016-06-22 | A kind of self-generating wireless transmission piezoelectric type torque dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459352.2A CN105973512B (en) | 2016-06-22 | 2016-06-22 | A kind of self-generating wireless transmission piezoelectric type torque dynamometer |
Publications (2)
| Publication Number | Publication Date |
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| CN105973512A true CN105973512A (en) | 2016-09-28 |
| CN105973512B CN105973512B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610459352.2A Active CN105973512B (en) | 2016-06-22 | 2016-06-22 | A kind of self-generating wireless transmission piezoelectric type torque dynamometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314849A (en) * | 2017-08-21 | 2017-11-03 | 哈尔滨工业大学（威海） | A kind of sensor with the small high frequency Cutting Force Signal measurement capability of three-dimensional |
| CN109269705A (en) * | 2018-10-26 | 2019-01-25 | 大连理工大学 | A kind of four component force instrument device of wireless transmission piezoelectric type |
| CN112504524A (en) * | 2020-11-20 | 2021-03-16 | 大连理工大学 | Integrated piezoelectric torque dynamometer |
Citations (5)
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|---|---|---|---|---|
| CN1553160A (en) * | 2003-05-28 | 2004-12-08 | 大连理工大学 | Piezoelectric quartzplate-type torque sensor and producing process thereof |
| JP2007327890A (en) * | 2006-06-08 | 2007-12-20 | Kyowa Electron Instr Co Ltd | Torque measuring device of rotating body |
| CN101650243A (en) * | 2009-07-16 | 2010-02-17 | 大连理工大学 | Piezoelectric type device for measuring drilling force of deep hole |
| CN104655342A (en) * | 2015-01-15 | 2015-05-27 | 南京林业大学 | Self-power supply and wireless data transmission-based mechanical seal face friction torque measurement device |
| CN105424244A (en) * | 2015-11-19 | 2016-03-23 | 青岛理工大学 | Non-contact self-generating wireless torque sensor |
-
2016
- 2016-06-22 CN CN201610459352.2A patent/CN105973512B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553160A (en) * | 2003-05-28 | 2004-12-08 | 大连理工大学 | Piezoelectric quartzplate-type torque sensor and producing process thereof |
| JP2007327890A (en) * | 2006-06-08 | 2007-12-20 | Kyowa Electron Instr Co Ltd | Torque measuring device of rotating body |
| CN101650243A (en) * | 2009-07-16 | 2010-02-17 | 大连理工大学 | Piezoelectric type device for measuring drilling force of deep hole |
| CN104655342A (en) * | 2015-01-15 | 2015-05-27 | 南京林业大学 | Self-power supply and wireless data transmission-based mechanical seal face friction torque measurement device |
| CN105424244A (en) * | 2015-11-19 | 2016-03-23 | 青岛理工大学 | Non-contact self-generating wireless torque sensor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314849A (en) * | 2017-08-21 | 2017-11-03 | 哈尔滨工业大学（威海） | A kind of sensor with the small high frequency Cutting Force Signal measurement capability of three-dimensional |
| CN109269705A (en) * | 2018-10-26 | 2019-01-25 | 大连理工大学 | A kind of four component force instrument device of wireless transmission piezoelectric type |
| CN109269705B (en) * | 2018-10-26 | 2021-01-19 | 大连理工大学 | Wireless transmission piezoelectric type four-component dynamometer device |
| CN112504524A (en) * | 2020-11-20 | 2021-03-16 | 大连理工大学 | Integrated piezoelectric torque dynamometer |
| CN112504524B (en) * | 2020-11-20 | 2021-08-06 | 大连理工大学 | Integrated piezoelectric torque dynamometer |
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| CN105973512B (en) | 2018-09-04 |
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