CN105547549B - A kind of non-contact strain-type coupler torque sensor based on transformer principle - Google Patents
A kind of non-contact strain-type coupler torque sensor based on transformer principle Download PDFInfo
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- CN105547549B CN105547549B CN201610035334.1A CN201610035334A CN105547549B CN 105547549 B CN105547549 B CN 105547549B CN 201610035334 A CN201610035334 A CN 201610035334A CN 105547549 B CN105547549 B CN 105547549B
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- torque
- terminal pad
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- torque sensor
- groove
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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
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A kind of non-contact strain-type coupler torque sensor based on transformer principle, belongs to machine driving and dynamic torque field of measuring technique.Solving technical problem is：A kind of novel torque measurement signal and the power supply of torque measurement sensitivity single-piece power supply and the non-contact transmission method and structure of signal acquiring system are provided, facilitates the acquisition of the torque measurement information of gearing axis.The stationary coil of the present invention is sleeved on static iron core, and rotating coil is sleeved in rotary core；Air gap is formed between static iron core and rotary core, forms the magnetic circuit circuit of transformer device structure and coil support skeleton；Torque measurement groove and torque sensor boss are provided on the end face of torque measurement disk, torque stress test unit is mounted on torque sensor boss, first terminal pad boss and the coupling of torque measurement groove are installed together, and torque sensor boss and the coupling of the second terminal pad groove are installed together.The present invention is suitable for the torque measurement of all kinds of transmission system shafts, easy for installation, simple in structure, installation accuracy is high.
Description
Technical field
The present invention relates to a kind of coupling torque sensors, and in particular to a kind of non-contact strain based on transformer principle
Formula coupler torque sensor, belongs to machine driving and dynamic torque field of measuring technique.
Background technology
With the demand of development and the scientific research of industrial technology, the measurement and application of torque are more and more extensive, arrive greatly
The measurement of various gearing shaft power, it is small to accurate assurance of the various rotation tools to torsion, it is required for various
Torque carries out effectively measuring device.People often by the measurement to rotating machinery shaft torque and rotating speed, so as to reach are driven
Purpose that system is controlled or the output power for obtaining main transmission end or the input power from driving end, it is convenient further
Torque output terminal or the corresponding mechanical device of torque input terminal are studied and optimized, in motor experiment, needs accurate side
Just the output torque of subject motor is measured, so as to study the mechanical property and efficiency characteristic that are tested motor.
Transformer is the electromagnetic and mechanical device to be worked based on electromagnetic induction principle, it can complete different form electric energy (no
Same voltage class) transformation, so as to carry out the transmission of energy.Using this principle, torque sensor sensing unit electricity can be realized
The wireless transmission with dtc signal can be supplied, promotes convenience and the accuracy of the torque measurement of gearing axis.
Invention content
The brief overview about the present invention is given below, in order to provide about the basic of certain aspects of the invention
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction about the present invention.It is not intended to determine the pass of the present invention
Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides certain concepts in simplified form,
In this, as the preamble in greater detail discussed later.
In consideration of it, the present invention provides a kind of novel torque measurement signal and torque measurement sensitivity single-piece power supply power supply with
The non-contact transmission method and structure of signal acquiring system facilitate the acquisition of the torque measurement information of gearing axis.
According to an aspect of the invention, there is provided a kind of non-contact strain-type coupler torque based on transformer principle
Sensor is that the outflow transmitted in moment information and measurement module power supply are fed through primary transformer coil and secondary coil
Coupling carry out contactless transmission, it is of the present invention based on transformer principle non-contact strain-type coupler torque sensing
The concrete structure of device is：
It include the first connecting shaft, the first terminal pad, the first terminal pad boss, torque measurement disk, the second terminal pad groove,
Second terminal pad and the second connecting shaft；First terminal pad, torque sensor disk and the second terminal pad sequentially coaxially arrange；
The torque measurement disk includes torque measurement groove, static iron core, stationary coil, rotating coil, rotary core, turns
Square sensor boss and torque stress test unit, the stationary coil are sleeved on static iron core, and rotating coil is sleeved on pivoting rail
In the heart；Air gap is formed between static iron core and rotary core, forms the magnetic circuit circuit of transformer device structure and coil support skeleton；
First connecting shaft is fixedly connected with the first terminal pad, and the second connecting shaft is fixedly connected with the second terminal pad, the
The first terminal pad boss is provided on the end face of one terminal pad, the second terminal pad groove is provided on the end face of the second terminal pad,
Torque measurement groove is provided in the left end face of torque measurement disk, torque sensing is provided in the right end face of torque measurement disk
Device boss, torque stress test unit are mounted on torque sensor boss, the first terminal pad boss and torque measurement groove coupling
Conjunction is installed together, and torque sensor boss and the coupling of the second terminal pad groove are installed together.
Further：The first terminal pad boss is cross boss；Torque measurement groove is cross groove.
Further：The torque sensor boss is cross boss；Second terminal pad groove is cross groove.
Further：The stationary coil and rotating coil are coaxially arranged in juxtaposition.The static iron core, stationary coil, rotation
Turn iron core, rotating coil forms non-contact torque information and the incoming and outflow system of torque measurement sensing unit power supply.
Further：One is made with torque sensor boss in the rotary core.
Further：One is made with the first terminal pad boss in first terminal pad.
Further：Torque stress test unit is metal strain plate, surface acoustic wave sensor, acoustic wave sensor or inverse
Magnetostrictive torque sensor.
What a kind of non-contact strain-type coupler torque sensor based on transformer principle proposed by the present invention was reached
Effect is：The present invention is proposed on the basis of existing strain gauge torque transducer measuring unit is combined based on transformer principle
Non-contact torque information and the incoming and outflow structures and methods of torque measurement sensing unit power supply, due to torque stress test list
There are many members, and type is available, such as：Metal strain plate, surface acoustic wave sensor, acoustic wave sensor, converse magnetostriction torque
Sensor etc., these are all the torque measurement sensing elements of flake structure, can easily be pasted onto torque measurement disc spins iron
Cardiac prominence platform corresponding position, and torque calculation module can be arranged far from the position of torque sensor, therefore, this structure it is non-
Contact torque measuring device can be designed to minimize, and may be designed to shaft coupling integration.To transformer iron core structure into
After row improves, the wireless transmission of transformer primary side winding and vice-side winding electric energy and signal can be realized.Based on transformer principle,
Can cross increases transformer primary side winding iron core is isolated with the air gap of vice-side winding iron core, reaches the work(of transmitting-receiving torque measurement signal
Can, it is measured so as to fulfill non-contact torque, the present invention is suitable for the torque measurement of all kinds of transmission system shafts, and with installation
The characteristics of convenient, simple in structure, installation accuracy is high.
Description of the drawings
Fig. 1 is that a kind of non-contact strain-type coupler torque based on transformer principle according to an embodiment of the invention passes
The overall structure exploded view of sensor；
Fig. 2 is the B direction views of Fig. 1；
Fig. 3 is the A direction views of Fig. 1；
Fig. 4 is the C direction views of Fig. 1；
Fig. 5 is the D direction views of Fig. 1；
In figure：The first connecting shafts of 1-；The first terminal pads of 2-；3- the first terminal pad boss；4- torque measurement grooves；5- is static
Iron core；6- stationary coils；7- rotating coils；8- rotary cores；9- torque sensor boss；10- torque stress test units；
11- the second terminal pad grooves；The second terminal pads of 12-；The second connecting shafts of 13-.
Specific embodiment
The exemplary embodiment of the present invention is described hereinafter in connection with attached drawing.For clarity and conciseness,
All features of actual implementation mode are not described in the description.It should be understood, however, that developing any this actual implementation
It must be made during example much specific to the decision of embodiment, to realize the objectives of developer, for example, symbol
Conjunction and system and those relevant restrictive conditions of business, and these restrictive conditions may have with the difference of embodiment
Changed.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from the present invention
For those skilled in the art of disclosure, this development is only routine task.
Herein, it is also necessary to which explanation is a bit, in order to avoid because having obscured the present invention during unnecessary details, in the accompanying drawings
The apparatus structure closely related with scheme according to the present invention and/or processing step are illustrate only, and is omitted and the present invention
The little other details of relationship.
As shown in Figures 1 to 5, the embodiment provides a kind of non-contact strain-type connection based on transformer principle
Axis device torque sensor, concrete structure are：
It is recessed that it includes the first connecting shaft 1, the first terminal pad 2, the first terminal pad boss 3, torque measurement disk, the second terminal pad
Slot 11, the second terminal pad 12 and the second connecting shaft 13；First terminal pad 2, torque sensor disk and the second terminal pad 12 according to
Secondary arranged in co-axial alignment；
The torque measurement disk includes torque measurement groove 4, static iron core 5, stationary coil 6, rotating coil 7, pivoting rail
The heart 8, torque sensor boss 9 and torque stress test unit 10, the stationary coil 6 are sleeved on static iron core 5, rotating coil
7 are sleeved in rotary core 8；Form air gap between static iron core 5 and rotary core 8, form the magnetic circuit circuit of transformer device structure with
Coil support skeleton；
First connecting shaft 1 is fixedly connected with the first terminal pad 2, and the second connecting shaft 13 and the second terminal pad 12 are fixed and connected
It connects, the first terminal pad boss 3 is provided on the end face of the first terminal pad 2, the second company is provided on the end face of the second terminal pad 12
Disk groove 11 is connect, torque measurement groove 4 is provided in the left end face of torque measurement disk, is set in the right end face of torque measurement disk
Torque sensor boss 9 is equipped with, torque stress test unit 10 is mounted on torque sensor boss 9, the first terminal pad boss 3
It is installed together with the coupling of torque measurement groove 4, the coupling of 9 and second terminal pad groove 11 of torque sensor boss is mounted on one
It rises.
More specifically：The first terminal pad boss 3 is cross boss；Torque measurement groove 4 is cross groove.
More specifically：The torque sensor boss 9 is cross boss；Second terminal pad groove 11 is recessed for cross
Slot.
More specifically：The stationary coil 6 and rotating coil 7 are coaxially arranged in juxtaposition.The static iron core, stationary coil,
Rotary core, rotating coil form non-contact torque information and the incoming and outflow system of torque measurement sensing unit power supply.
More specifically：One is made with torque sensor boss 9 in the rotary core 8.
More specifically：One is made in first terminal pad, the 2 and first terminal pad boss 3.
More specifically：Torque stress test unit 10 for metal strain plate, surface acoustic wave sensor, acoustic wave sensor or
Counter Magnetostrictive torque transducer.
The bump type interlocking structure formed between torque measurement disk and the first terminal pad 2, the second terminal pad 12, when subject electricity
When machine output shaft drives the rotation of the first connecting shaft 1, since the first connecting shaft 1 is fixedly connected with the first terminal pad 2, the first connecting shaft
1 rotation torque obtained is transferred directly to the first terminal pad 2, and torque measurement disk passes through with the first terminal pad 2, the second terminal pad 12
The coupling that connects is interlocked, in torque measurement disk and the torque transmittance process of the second terminal pad 12, torque sensor stress can be caused
Variation, and calculate and analyze by data, and then obtain transmitting the size of torque.The present invention has simplified torque sensor installation
Structure, eliminates the coupler structure of conventional mounting form, so improve motor to drag experiment in torque measurement system it is steady
Qualitative and validity, easy for installation, axle center is unified, and it is accurate to measure.
A kind of operation principle of the non-contact strain-type coupler torque sensor based on transformer principle：Power transmission end
Fixation is attached with the first connecting shaft 1,4 and first terminal pad 2 of torque measurement groove in the left end face of torque measurement disk
On the first terminal pad boss 3 be of coupled connections, power receiving terminal is attached with the second connecting shaft 13, the second terminal pad 12
The second terminal pad groove 11 be of coupled connections with the torque sensor boss 9 in the right end face of torque measurement disk, so as to
Power is made to be passed to by main transmission end from driving end, in power by drive shaft system transmission process, by being mounted on torque sensing
Torque stress test unit 10 on device boss 9 tests dynamic torque, the dtc signal that torque stress test unit 10 measures
As the input signal of rotating coil 7, rotating coil 7 is coupled by magnetic field with stationary coil 6, dtc signal is passed to quiet
The non-contact transmission of dtc signal is completed in only coil 6.Power supply needed for torque stress test unit 10 is defeated by stationary coil 6
After entering, torque measurement disk supply torque stress test unit 10 is passed to through the coupling with rotating coil 7.
Although disclosed embodiment is as above, its content is only to facilitate understand the technical side of the present invention
Case and the embodiment used, are not intended to limit the present invention.Any those skilled in the art to which this invention pertains, not
Under the premise of being detached from disclosed core technology scheme, any modification and change can be made in form and details in implementation
Change, but the protection domain that the present invention is limited, the range that the appended claims that must still be subject to limits.
Claims (7)
1. a kind of non-contact strain-type coupler torque sensor based on transformer principle, it includes the first connecting shaft（1）,
One terminal pad（2）, the first terminal pad boss（3）, torque measurement disk, the second terminal pad groove（11）, the second terminal pad（12）With
Second connecting shaft（13）；First terminal pad（2）, torque measurement disk and the second terminal pad（12）Sequentially coaxially arrange；It is special
Sign is：
The torque measurement disk includes torque measurement groove（4）, static iron core（5）, stationary coil（6）, rotating coil（7）, rotation
Turn iron core（8）, torque sensor boss（9）With torque stress test unit（10）, the stationary coil（6）It is sleeved on static iron core
（5）On, rotating coil（7）It is sleeved on rotary core（8）On；Static iron core（5）With rotary core（8）Between form air gap, form
The magnetic circuit circuit of transformer device structure and coil support skeleton；
First connecting shaft（1）With the first terminal pad（2）It is fixedly connected, the second connecting shaft（13）With the second terminal pad（12）Gu
Fixed connection, the first terminal pad（2）End face on be provided with the first terminal pad boss（3）, the second terminal pad（12）End face on set
It is equipped with the second terminal pad groove（11）, torque measurement groove is provided in the left end face of torque measurement disk（4）, torque measurement disk
Right end face on be provided with torque sensor boss（9）, torque stress test unit（10）Mounted on torque sensor boss
（9）On, the first terminal pad boss（3）With torque measurement groove（4）Coupling is installed together, torque sensor boss（9）With
Two terminal pad grooves（11）Coupling is installed together.
2. a kind of non-contact strain-type coupler torque sensor based on transformer principle according to claim 1,
It is characterized in that：The first terminal pad boss（3）For cross boss；Torque measurement groove（4）For cross groove.
3. a kind of non-contact strain-type coupler torque sensor based on transformer principle according to claim 2,
It is characterized in that：The torque sensor boss（9）For cross boss；Second terminal pad groove（11）For cross groove.
4. a kind of non-contact strain-type coupler torque sensor based on transformer principle according to claim 1,
It is characterized in that：The stationary coil（6）And rotating coil（7）Coaxially it is arranged in juxtaposition.
5. a kind of non-contact strain-type coupler torque sensor based on transformer principle according to claim 1,
It is characterized in that：The rotary core（8）With torque sensor boss（9）One is made.
6. a kind of non-contact strain-type coupler torque sensor based on transformer principle according to claim 5,
It is characterized in that：First terminal pad（2）With the first terminal pad boss（3）One is made.
7. a kind of non-contact strain-type coupler torque sensor based on transformer principle according to claim 1,
It is characterized in that：Torque stress test unit（10）For metal strain plate, surface acoustic wave sensor, acoustic wave sensor or inverse mangneto
Flexible torque sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035334.1A CN105547549B (en) | 2016-01-19 | 2016-01-19 | A kind of non-contact strain-type coupler torque sensor based on transformer principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035334.1A CN105547549B (en) | 2016-01-19 | 2016-01-19 | A kind of non-contact strain-type coupler torque sensor based on transformer principle |
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| Publication Number | Publication Date |
|---|---|
| CN105547549A CN105547549A (en) | 2016-05-04 |
| CN105547549B true CN105547549B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610035334.1A Expired - Fee Related CN105547549B (en) | 2016-01-19 | 2016-01-19 | A kind of non-contact strain-type coupler torque sensor based on transformer principle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562388A (en) * | 2018-04-23 | 2018-09-21 | 哈尔滨工业大学 | A kind of contactless torque measuring device based on counter magnetostriction effect |
| CN109029580B (en) * | 2018-08-14 | 2023-08-11 | 北京新风航天装备有限公司 | Airtight storage and transportation case environment monitoring equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220065Y (en) * | 1994-10-07 | 1996-02-14 | 李国林 | Intelligence coupling |
| CN101382461A (en) * | 2008-08-25 | 2009-03-11 | 北京新宇航世纪科技有限公司 | Torque sensor and measuring system |
| CN201594026U (en) * | 2009-12-29 | 2010-09-29 | 东莞市精航达电动转向***有限公司 | Magnetoelectric non-contact torque sensor and electric steering device using same |
| CN203203737U (en) * | 2012-07-23 | 2013-09-18 | 王建钧 | Non-contact dynamic torque and rotation speed/shaft power signal sensor |
| DE102013013634A1 (en) * | 2013-08-14 | 2015-02-19 | Hottinger Baldwin Messtechnik Gmbh | Torque measuring device for measuring large torques |
| CN204403198U (en) * | 2015-02-02 | 2015-06-17 | 哈尔滨理工大学 | The desk-top motor of a kind of cross-shaped convex-concave is to dragging experiment coupling |
| CN104967381A (en) * | 2015-06-17 | 2015-10-07 | 江苏磁谷科技股份有限公司 | Electromagnetic coupling flexible speed adjusting device |
-
2016
- 2016-01-19 CN CN201610035334.1A patent/CN105547549B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220065Y (en) * | 1994-10-07 | 1996-02-14 | 李国林 | Intelligence coupling |
| CN101382461A (en) * | 2008-08-25 | 2009-03-11 | 北京新宇航世纪科技有限公司 | Torque sensor and measuring system |
| CN201594026U (en) * | 2009-12-29 | 2010-09-29 | 东莞市精航达电动转向***有限公司 | Magnetoelectric non-contact torque sensor and electric steering device using same |
| CN203203737U (en) * | 2012-07-23 | 2013-09-18 | 王建钧 | Non-contact dynamic torque and rotation speed/shaft power signal sensor |
| DE102013013634A1 (en) * | 2013-08-14 | 2015-02-19 | Hottinger Baldwin Messtechnik Gmbh | Torque measuring device for measuring large torques |
| CN204403198U (en) * | 2015-02-02 | 2015-06-17 | 哈尔滨理工大学 | The desk-top motor of a kind of cross-shaped convex-concave is to dragging experiment coupling |
| CN104967381A (en) * | 2015-06-17 | 2015-10-07 | 江苏磁谷科技股份有限公司 | Electromagnetic coupling flexible speed adjusting device |
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Granted publication date: 20180629 Termination date: 20190119 |