CN105973512B - A kind of self-generating wireless transmission piezoelectric type torque dynamometer - Google Patents
A kind of self-generating wireless transmission piezoelectric type torque dynamometer Download PDFInfo
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- CN105973512B CN105973512B CN201610459352.2A CN201610459352A CN105973512B CN 105973512 B CN105973512 B CN 105973512B CN 201610459352 A CN201610459352 A CN 201610459352A CN 105973512 B CN105973512 B CN 105973512B
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- 230000005540 biological transmission Effects 0.000 title description 7
- 238000005553 drilling Methods 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 6
- 230000004044 response Effects 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 230000009897 systematic effect Effects 0.000 abstract description 2
- 230000001052 transient effect Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of self-generating wireless to transmit piezoelectric type torque dynamometer, belongs to the fields such as piezoelectric force, oil exploration.Including disk generator, flange, dynamometer upper and lower covers, direction piezoelectric transducer, circuit part and end cap etc..Collect signal acquisition and signal processing and one：Collection Signals collecting function is completed by torque dynamometric system, and the direction piezoelectric transducer by upper and lower covers and two using quartz crystal as sensing element forms；Signal processing is completed by circuit part, is primarily served voltage stabilizing, the effects that charge amplification, A/D conversions, data are sent, will be communicated by bluetooth module and host computer after the processing of collected torque signal, and realize the wireless transmission of signal and monitor in real time.The disk generator of device provides electric energy for whole system, the problem of avoiding legacy test system supply lines redundancy.Frequency response of the present invention and transient response are good, high sensitivity, and reliable operation is compact-sized, are greatly broadened piezoelectric type test systematic difference range.
Description
Technical field
The invention belongs to sense, measurement and control area, be related to a kind of self-generating wireless transmission piezoelectric type torque dynamometer, utilize pressure
Electric-type device for measuring force, power generator and signal processing module solve in drilling process and carry out real-time status to drilling rod torque
The problem of monitoring, there is more application in fields such as oil drilling, geologic prospect, engineering machinery.
Background technology
The variation of drilling rod torque is monitored in drilling process, can be abnormal with early detection hole deviation and down-hole pressure, and can be with
The working condition for judging drill bit and drilling rod, to prevent in bad ground drilling rod twist off and the prevention of drilling failure is particularly heavy
It wants, is one of the parameter of necessary observing and controlling in drilling engineering.Resistance-strain type torque dynamometer is mostly used both at home and abroad at present to drilling rod
Torque is monitored.
The measuring principle of resistance-strain type torque dynamometer is：The adhering resistance strain sheets on elastic construction, by external force
When, resistance strain gage generates flexible deformation together with elastic construction, and strain ga(u)ge converts deformation to the variation of resistance value,
It then can be with the size of measuring force by calculating.This dynamometer is high with precision, performance is stable, non-linear and hysteresis error
The advantages that small, using flexible.But since the rigidity of resistance-strain type torque dynamometer is small, dynamic test performance is poor, signal wire
And supply lines is lengthy and jumbled, greatly limits its application in torque measurement field.
Traditional piezoelectric type torque dynamometer is applied to the cutting force measurement of the processes such as milling, brill, grinding mostly.It is special
Point is high rigidity, high natural frequency, high sensitivity, it is often more important that frequency response and transient response are good.But due to traditional
Piezoelectric type torque dynamometer makes it be not directly applicable brill in the constraint of signal transmission, structure size, measurement range etc.
To the status monitoring of drilling rod in well platform, it is therefore necessary to develop a kind of self-generating wireless transmission piezoelectric type torque dynamometer.
Invention content
The invention solves technical barrier be change traditional piezoelectric type torque dynamometer signal transmission form, structure
Size, measurement range etc. make it be applied to certain specific occasions, and invent a kind of self-generating wireless transmission piezoelectric type torque
Dynamometer.The technology of the present invention performance is good, and reliable operation is compact-sized, is greatly broadened piezoelectric type test systematic difference range.
Technical scheme of the present invention：
A kind of self-generating wireless transmits piezoelectric type torque dynamometer, including disk generator, T shapes flange, dynamometer upper cover,
Direction piezoelectric transducer, dynamometer lower cover, work shape flange, circuit part, end cap and bolt, disk generator are sleeved on T shape methods
Lan Shang, the two center line overlap, the axial displacement of disk generator and the circumferentially displaced end face being equipped with respectively by T shape flanges
Boss and key cooperation limitation；T shapes flange is tightened together by bolt with dynamometer upper cover；Direction piezoelectric transducer respectively with survey
Convex block side surface that power instrument upper cover is equipped with and the baltimore groove inner surface being covered under dynamometer fitting, three pass through pretension bolt
Fixed, wherein convex block and spill groove body is rectangular parallelepiped structure；Work shape flange passes through the upper disk which is provided with and lower circle
Disk is rigidly connected with dynamometer lower cover and end cap by bolt respectively, and work shape flange inner cavity is for putting circuit part, circuit portion
Divide and is connect with end cap by screw；The electric energy that disk generator generates is transferred to by the aviation plug that work shape flange is circumferentially with
The effects that circuit part, circuit part primarily serves voltage stabilizing, charge amplification, A/D conversions, data transmission, by collected torque
It is communicated by bluetooth module and host computer after signal processing.T shapes flange and end cap are equipped with universal joint mounting hole, convenient for
Universal joint connects, after two universal joints are connect with power input shaft and drilling rod respectively, you can come into operation.
The convex block side surface is mutually parallel with baltimore groove inner surface.
Beneficial effects of the present invention：A kind of self-generating wireless of design invention transmits piezoelectric type torque dynamometer, changes
The signal transmission form and system power supply mode of conventional torque dynamometer have high rigidity, high natural frequency, high sensitivity etc.
Advantage.Reasonable design of the present invention, small, high certainty of measurement, have a wide range of applications in oil, natural gas exploration etc..
Description of the drawings
Fig. 1 is the self-generating wireless transmission piezoelectric type torque dynamometer schematic diagram of the present invention.
Fig. 2 is that the self-generating wireless of the present invention transmits T shape flange schematic diagrames in piezoelectric type torque dynamometer.
Fig. 3 is that the self-generating wireless of the present invention transmits dynamometer upper cover and one-way piezoelectric sensing in piezoelectric type torque dynamometer
Device assembling schematic diagram.
Fig. 4 is that the self-generating wireless of the present invention transmits dynamometer lower cover schematic diagram in piezoelectric type torque dynamometer.
Fig. 5 is that the self-generating wireless of the present invention transmits work shape flange schematic diagram in piezoelectric type torque dynamometer.
Fig. 6 is that the self-generating wireless of the present invention transmits end cap and circuit part schematic diagram in piezoelectric type torque dynamometer.
Fig. 7 is the mechanics simplified model of the present invention.
In figure：1 disk generator；2 T shape flanges；3 end face boss；4 keys；5 dynamometer upper covers；6 one-way piezoelectrics pass
Sensor；7 dynamometer lower covers；8 pretension bolts；9 work shape flanges；Disk on 10；11 lower discs；12 end caps；13 work shape methods
Blue inner cavity；14 circuit parts；15 aviation plugs；16 universal joint mounting holes；A convex blocks side surface；B baltimore groove inner surfaces.
Specific implementation mode
Below in conjunction with attached drawing and technical solution, the specific implementation mode that further illustrates the present invention.
Disk generator 1 is sleeved on T shapes flange 2, and the two center line overlaps, and the end face boss 3 that T shapes flange 2 is equipped with limits
The axial displacement of disk generator 1 is made, the circumferentially displaced of disk generator 1 is limited by key 4.2 orchid of T shapes method passes through spiral shell
It tethers to connect and tighten together with dynamometer upper cover 5.The convex block that direction piezoelectric transducer 6 is equipped with dynamometer upper cover 5 respectively
The baltimore groove inner surface b fittings that side surface a and dynamometer lower cover 7 are equipped with, are used in combination pretension bolt 8 to fix.What work shape flange 9 was equipped with
Upper disk 10 is bolted with dynamometer lower cover 7, and lower disc 11 is bolted with end cap 12, and work shape flange 9 is equipped with
Inner cavity 13 for putting circuit part 14, circuit part 14 is connect by screw with end cap 12.The electricity that disk generator generates
The aviation plug 15 that can be circumferentially with by work shape flange is transferred to circuit part 14, and circuit part 14 primarily serves charge and puts
Greatly, the effects that A/D conversions, data are sent will be led to after the processing of collected torque signal by bluetooth module and host computer
News, realize the real-time monitoring of drilling rod torque condition, prevent the generation of peril.T shapes flange 2 and end cap 12 are equipped with universal
Mounting hole 16 is saved, convenient for being connect with universal joint, two universal joints are connect with power input shaft and drilling rod respectively, so that it may make with input
With.
According to principle of moment balance, power input shaft input torque is equal with the moment of friction that drilling rod is subject to.With mathematics public affairs
Formula is expressed：Mf=Min=(F1+F2)d
M in formulafFor moment of friction, MinFor input torque, F1、F2The positive pressure that respectively two individual event piezoelectric transducers measure
Power, d are the arm of force.
Although the present invention is made that detailed description with above-mentioned preferred embodiment to the present invention, not with above-mentioned implementation
Example limits the present invention.Those skilled in the art is not it should be recognized that departing from technical characteristic given by the present invention and range
In the case of, to made by technology increase, with this field some same contents replacement, be within the scope of protection of the invention.
Claims (1)
1. a kind of self-generating wireless transmits piezoelectric type torque dynamometer, which is characterized in that the self-generating wireless, which transmits piezoelectric type, to be turned round
Square dynamometer include disk generator, T shapes flange, dynamometer upper cover, direction piezoelectric transducer, dynamometer lower cover, work shape flange,
Circuit part, end cap and bolt, disk generator are sleeved on T shape flanges, and the two center line overlaps, the axial direction of disk generator
Displacement and the circumferentially displaced end face boss being equipped with respectively by T shape flanges and key cooperation limit；T shapes flange passes through bolt and survey
Power instrument upper cover tightens together；Under convex block side surface and dynamometer that direction piezoelectric transducer is equipped with dynamometer upper cover respectively
The baltimore groove inner surface fitting being covered with, three are fixed by pretension bolt, and wherein convex block and spill groove body is rectangular
Body structure；Work shape flange passes through bolt rigidity with dynamometer lower cover and end cap respectively by the upper disk and lower disc which is provided with
Connection, for putting circuit part, circuit part is connect by screw with end cap for work shape flange inner cavity；What disk generator generated
Electric energy is transferred to circuit part by the aviation plug that work shape flange is circumferentially with, and circuit part will be at collected torque signal
It is communicated by bluetooth module and host computer after reason；T shapes flange and end cap are equipped with universal joint mounting hole, are convenient for and universal joint
Connection, after two universal joints are connect with power input shaft and drilling rod respectively, that is, comes into operation；The convex block side surface with it is recessed
Shape slot inner surface is mutually parallel.
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 |
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| Publication Number | Publication Date |
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| CN105973512A CN105973512A (en) | 2016-09-28 |
| CN105973512B true CN105973512B (en) | 2018-09-04 |
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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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Families Citing this family (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 |
| CN109269705B (en) * | 2018-10-26 | 2021-01-19 | 大连理工大学 | Wireless transmission piezoelectric type four-component dynamometer device |
| CN112504524B (en) * | 2020-11-20 | 2021-08-06 | 大连理工大学 | Integrated piezoelectric torque dynamometer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553160A (en) * | 2003-05-28 | 2004-12-08 | �Ϻ���ͨ��ѧ | 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 | �Ϻ���ͨ��ѧ | 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 |
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