CN108418345A - A kind of spontaneous electrical component suitable for coaxial relative rotation unit test system - Google Patents

A kind of spontaneous electrical component suitable for coaxial relative rotation unit test system Download PDF

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Publication number
CN108418345A
CN108418345A CN201810210114.7A CN201810210114A CN108418345A CN 108418345 A CN108418345 A CN 108418345A CN 201810210114 A CN201810210114 A CN 201810210114A CN 108418345 A CN108418345 A CN 108418345A
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CN
China
Prior art keywords
moving
coil
magnetic grid
conducting bar
test system
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Pending
Application number
CN201810210114.7A
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Chinese (zh)
Inventor
朱永生
闫柯
陈东
王宪
王方哲
张进华
洪军
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Xian Jiaotong University
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Xian Jiaotong University
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Priority to CN201810210114.7A priority Critical patent/CN108418345A/en
Publication of CN108418345A publication Critical patent/CN108418345A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807Rotary generators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

A kind of spontaneous electrical component suitable for coaxial relative rotation unit test system, determine circle and moving-coil including coaxially arranged, fixed circle is installed on stationary parts, moving-coil is installed on rotary part, step-by-step arrangement has magnetic grid and conducting bar on determining circle, and the position punishment section relative to fixed circle magnetic grid and conducting bar d on moving-coil is disposed with conducting bar and magnetic grid;In the case of the electric energy for needing bigger or higher magnetic field intensity, arranged using the fixed circle of more sets and moving-coil radially alternating;For needing the occasion of Alternating Current Power Supply, the two poles of the earth of magnetic grid to be spaced apart.The present invention's passes through the reasonable Arrangement to moving, determining coil structures, quantity, mounting means, utilize electromagnetic induction operation principle, convert mechanical energy to electric energy, sufficient electric energy is provided to rotary part test system and stationary parts test system to realize, to meet the needs of coaxial relative rotation component continuous monitoring.

Description

A kind of spontaneous electrical component suitable for coaxial relative rotation unit test system
Technical field
The present invention relates to mechanized equipment key components and parts health status dynamic monitoring fields, more particularly to a kind of to be suitable for together The spontaneous electrical component of axis relative rotation unit test system.
Background technology
Rotating machinery occupies sizable proportion in industrial products, ensures the normal operation of this kind of equipment to the quality of production And production safety is of great importance, therefore its operating status need to be monitored.With the complication of equipment and highly integrated The development of change, traditional rotary part tests system power supply and signal line wiring is complicated, and reliability is low, has larger safety hidden Suffer from.
The energy supply that rotary part tests system is a technological difficulties all the time, and the method for early stage has battery powered With the modes such as slip ring power supply, battery-powered operation principle is simple, but limited battery capacity, cannot be satisfied long-term continuous on-line monitoring Power supply need.Slip ring power supply can not be suitable for the energy supply of high-speed rotary part test system.In the existing method, with In rotating machinery for most common component rolling bearing, test system is mostly installed at bearing working space, and space is narrow Small and environment is complicated.Automatically supplying for energy may be implemented in more mature electric generator structure, but electric generator structure is complicated, volume It is larger, it is difficult to be integrated into the shafting of bearing assembly.Department of mechanical engineering of armored force engineering institute fourth rushes, Zhao Yongdong etc. utilizes electricity Magnetic coupling wireless power technology realizes torque measurement, but general electromagnetic coupling power supply side by contactless inductive power supply technique Case is due to eddy current effect, it is difficult to meet the energy supply in narrow ferromagnetic space, and also it is first used in its power supply process Grade coil must use external power supply, and then could realize wireless power, and static test system is also needed to add Individual electric energy feed unit.Dalian University of Technology appoints ancestor's gold, Zhang Jun et al.《It is a kind of to realize that power generator Internal and external cycle turns respectively Dynamic experiment》It suggests plans in patent and two kinds of forms of motion that Internal and external cycle rotates respectively may be implemented, reached and power generation is filled The purpose for carrying out principle test and engineering simulation test is set, this is simple in structure, realizes that Internal and external cycle rotates respectively by unilateral bearing, But rolling bearing installation space is extremely limited, and the program is difficult to be integrated in the Internal and external cycle test system of bearing.Beijing University of Science & Engineering is big The magnetoelectric micro electric generator of axial magnetic field patent of stone nonyl occasion, Sui Li et al. realize stator and rotor in generator using wind energy Relative motion so that produce electricl energy, however the structure only realizes rotating coil power generation, electric energy is drawn with ball by connecting shaft Go out, since the mechanical parts such as ball exist so that the structure size is larger, it is difficult to it is integrated in the narrow installation space of bearing, And it is not carried out and system and rotary part test system capacity synchronization supply is tested to bearing stationary parts.Opto-electronic conversion energy Amount supply may be implemented to test rotary part the energy supply of system, it by strong illumination come driving energy receiving terminal, into And luminous energy is set to be converted into electric energy to meet system energy requirements, but for the working environment of bearing, this energy supply scheme It is just difficult to deal with, the environment with greasy dirt and mist of oil is easy to the propagation of obstruction light, deposition of the greasy dirt at energy acceptance end It is unavoidable, and complicated, it is difficult to applied in the actual condition of rolling bearing.
Invention content
In order to overcome the deficiencies of existing technologies, the purpose of the present invention is to provide one kind being suitable for coaxial relative rotation component The spontaneous electrical component of test system passes through fixed circle fortune opposite with moving-coil using the power and electromagnetic induction principle of rotary axis It is dynamic, it converts mechanical energy to electric energy, stationary parts and rotating part in coaxial relative rotation unit test system can be achieved at the same time The energy supply of part test can be realized simultaneously the energy supply of bearing inner race and outer ring test, but not by taking rolling bearing as an example It is limited to this, can be applicable to the test system of the components such as engine rotor, car rotation, turbine rotor.
In order to achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of spontaneous electrical component suitable for coaxial relative rotation unit test system, including coaxially arranged determine 3 He of circle Moving-coil 4 encloses 3 and is installed on stationary parts surely, and moving-coil 4 is installed on rotary part, and step-by-step arrangement has magnetic grid c and conducting bar on fixed circle 3 D, the position punishment section relative to fixed circle 3 magnetic grid c and conducting bar d on moving-coil 4 are disposed with conducting bar d and magnetic grid c.
In the case of the electric energy for needing bigger or higher magnetic field intensity, 3 and more set 4 diameters of moving-coil are enclosed surely using more sets To being alternately arranged, segmentation is disposed with the magnetic grid c and conducting bar d of opposite polarity on adjacent circle 3 surely, and adjacent moving-coil 4, which is arranged with, leads The magnetic grid c of d and opposite polarity, the magnetic grid and conducting bar enclosed on 3 surely respectively on moving-coil 4 conducting bar and magnetic grid correspond, it is more A circle 3 surely is installed on by outer frame 9 on stationary parts, and multiple moving-coils 4 are installed on by interior pedestal 10 on rotary part.
For needing the occasion of Alternating Current Power Supply, the poles N of the magnetic grid c and the poles S of magnetic grid c are spaced apart.
Advantages of the present invention:
Apparatus of the present invention novelty simple in structure, flexible arrangement directly can be installed together use, such as with component to be tested Rolling bearing makes bearing itself have the function of self power generation, while realizing bearing inner race test system power supply and outer ring test system System power supply, overcomes existing line powered and battery powered limitation, realizes bearing real-time online prison truly It surveys;Spontaneous electrical component can also be mounted on that shafting is static and rotary part on, before not influencing each component basic function of shafting Put, the energy that coaxial relative rotation unit test system may be implemented automatically supplies, while meet rotary part test system with And the energy requirement of stationary parts test system reduces the arrangement of cable without the intervention of extraneous power supply, simplifies test System hardware is built, and the reliability of test system is improved;Apparatus of the present invention component flexible arrangement can change according to application scenario The reasonable Arrangement for determining coil structures, quantity, mounting means is changed, to meet the needs of high-power power supply and Alternating Current Power Supply;The present invention Device can work under complex environment, and under mist environment, power supply is reliable, can be used for high rotating speed occasion.
Description of the drawings
Fig. 1 is each component position view under actual condition of the present invention.
Fig. 2 be the present invention determine circle and moving-coil sectional view.
Fig. 3 is the multiple distribution modes moved when enclosing surely of the present invention.
Fig. 4 is Alternating Current Power Supply magnetic grid distribution mode of the present invention.
Fig. 5 is the separately installed structural schematic diagram in shafting of the invention.
Specific implementation mode
Specific implementation process of the present invention is further explained below in conjunction with the accompanying drawings.In Fig. 1-5, including:1- bearing ends Lid, 2- bearing blocks, 3- are enclosed surely, 4- moving-coils, 5- rolling bearings, 6- axis, and 7- rotary parts test system, 8- stationary parts test system Pedestal in system, 9- outer frames and 10-;As shown in Figure 1, a kind of self power generation group suitable for coaxial relative rotation unit test system Part, including coaxially arranged determine circle 3 and moving-coil 4 and current regulating device etc..Surely circle 3 is installed on stationary parts, such as axis of rolling On bearing outer-ring, moving-coil 4 is installed on rotary part, and on rolling bearing inner ring, step-by-step arrangement has magnetic grid c and conducting bar on fixed circle 3 D, on moving-coil 4 relative to it is fixed circle 3 magnetic grid c and conducting bar d position at be printed with conducting bar d and magnetic grid c.When shafting rotates, lead to The magnetic induction line that the conducting bar on moving-coil or the magnetic grid on the fixed circle of magnetic grid cutting or conducting bar cause is crossed, can be generated on moving-coil at this time can The direct current energy leaned on, to realize that rotary part tests the electric energy supply of system 7;Meanwhile the magnetic grid on moving-coil 4 is relative to fixed circle 3 On conducting bar in high speed rotation, be equivalent to the magnetic induction line that fixed circle conducting bar cutting is caused by magnetic grid on moving-coil, utilize electromagnetic induction former Reason, converts mechanical energy to kinetic energy, and then reliable direct current energy is generated on determining circle, to realize that stationary parts tests system 8 Energy supply;It finally realizes and system power supply is tested to stationary parts and rotary part.
Such as Fig. 2, for single polarity it is spontaneous it is electronic determine ring design scheme, moving-coil 4 and enclose 3 surely for two coaxial sleeves, outside For circle to enclose 3 surely, inner ring is moving-coil 4, with reference to Fig. 2 (b), enclose surely 3 in an axial direction one section be arranged as conducting bar d, another section is arranged as magnetic grid C, moving-coil 4 are disposed with magnetic grid c and conducting bar d in the corresponding position of fixed circle 3, and correspondence such as Fig. 2 (a) and Fig. 2 (b) are shown. When work, moving-coil 4 is driven by the rotation of axis and encloses 3 relative rotation surely, the conducting bar on moving-coil and fixed circle does cutting magnetic induction line It moves and generates induced electromotive force, by current regulating, supply electricity to stationary parts test system 8 and rotary part test system 7。
In the case of the electric energy for needing bigger or higher magnetic field intensity, more sets may be used, and circle 3 and more sets are dynamic surely 4 radially alternatings arrangement is enclosed, to improve the power of power generation.The self power generation component structure diagram of Fig. 3 circles 3 for two sets of moving-coils 4 and surely, Two surely circle 3 on segmentation be disposed with opposite polarity magnetic grid c and conducting bar d, two moving-coils 4 be segmented and be disposed with conducting bar d and phase The magnetic grid c of reversed polarity.Surely circle 3 on magnetic grid and conducting bar respectively on moving-coil 4 conducting bar and magnetic grid correspond, correspondence is such as Shown in figure.Two fixed circles are installed on by outer frame 9 on stationary parts, and two moving-coils by interior pedestal 10 by being installed on rotation On component.This configuration increases magnetic induction intensity, and then improve the power of power supply, meet the needs of high-power power supply.
Fig. 4 is the self power generation component design in the case of Alternating Current Power Supply, by the reasonable of the poles magnetic grid N and the poles magnetic grid S Distribution, distribution situation are as shown in the figure.The poles N of the magnetic grid c and the poles S of magnetic grid c are spaced apart, and are passed through and are changed magnetic grid Arrangement, prints ambipolar magnetic pole and is arranged alternately to generate the AC energy of certain frequency, under conditions of spindle speed is certain Corresponding AC energy can be generated, to meet test system the Alternating Current Power Supply the needs of.
The operation principle of the present invention is that:When work, axis high speed rotation drives 4 high speed rotation of moving-coil, the conducting bar on moving-coil 4 Cutting magnetic induction line and generate induced electromotive force, after current regulating, realize to rotary part (bearing inner race) test system 7 supply Electricity.Meanwhile the magnetic grid on moving-coil 4 also can high speed rotation, depending on enclose 3 corresponding positions conducting bar cutting magnetic induction line generate induced electricity Kinetic potential is finally passed through electric energy and is improved due to being integrated with electric energy conditioning device respectively in the substrate that encloses in moving-coil and surely, when there is electric energy After generation, is improved to reliable and stable electric energy by electric energy conditioning device and supply the use of test system, realized to stationary parts (axis Bearing outer-ring) the test power supply of system 8, it is final to realize to the monitoring of coaxial relative rotation component long-term continuous state.
Fig. 5 is the spontaneous electrical component for being mounted separately to shafting and being detached with object to be tested (rolling bearing), but is not limited only to This structure.Surely for 3 installation of circle to remains stationary on shafting stationary parts, moving-coil 4 cuts magnetic with rotation is carried out on shafting rotary part Feel line, generate induced electromotive force, after current regulating, is transmitted in rotary part test system 7 by lead, and then realize Long term state monitoring to 5 inner ring of bearing.Also there is corresponding electric energy production on fixed circle 3 simultaneously, after current regulating, passes through System 8 is tested in lead, supply to bearing stationary parts.
The operation principle of the present invention is in conclusion by the dynamic reasonable Arrangement for determining coil structures, quantity, mounting means, profit With electromagnetic induction operation principle, it converts mechanical energy to electric energy, system and stationary parts test are tested to rotary part to realize System provides sufficient electric energy, to meet the needs of coaxial relative rotation component continuous monitoring.

Claims (3)

1. a kind of spontaneous electrical component suitable for coaxial relative rotation unit test system, which is characterized in that including coaxially arranged Determine circle (3) and moving-coil (4), fixed enclose (3) are installed on stationary parts, and moving-coil (4) is installed on rotary part, on Ding Quan (3) point Section is disposed with magnetic grid (c) and conducting bar (d), and section is punished in the position relative to fixed circle (3) magnetic grid (c) and conducting bar (d) on moving-coil (4) It is disposed with conducting bar (d) and magnetic grid (c).
2. a kind of spontaneous electrical component suitable for coaxial relative rotation unit test system according to right 1, feature exist In in the case of the electric energy for needing bigger or higher magnetic field intensity, using the fixed circle (3) of more sets and more set moving-coil (4) diameters To being alternately arranged, segmentation is disposed with the magnetic grid (c) and conducting bar (d) of opposite polarity on adjacent fixed circle (3), and adjacent moving-coil (4) is equal Be disposed with the magnetic grid (c) of conducting bar (d) and opposite polarity, the fixed magnetic grid enclosed on (3) and conducting bar respectively on moving-coil (4) conducting bar and Magnetic grid corresponds, and multiple fixed circles (3) are installed on by outer frame (9) on stationary parts, and multiple moving-coils (4) pass through interior pedestal (10) it is installed on rotary part.
3. a kind of spontaneous electrical component suitable for coaxial relative rotation unit test system according to right 1, feature exist In for needing the occasion of Alternating Current Power Supply, the poles N of the magnetic grid (c) and the poles S of magnetic grid (c) are using the side being spaced apart Formula.
CN201810210114.7A 2018-03-14 2018-03-14 A kind of spontaneous electrical component suitable for coaxial relative rotation unit test system Pending CN108418345A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113589070A (en) * 2021-07-09 2021-11-02 西安交通大学 Self-powered and self-sensing integrated rotating part health monitoring device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002299032A (en) * 2001-03-28 2002-10-11 Harison Toshiba Lighting Corp Induction heating device, induction heating roller device, heating roller in the induction heating roller device, fixing device and imaging device
US20070029884A1 (en) * 2005-08-08 2007-02-08 Berj A. Terzian And Jack A. Ekchian Enhanced internal electrical generators
CN101080332A (en) * 2004-12-15 2007-11-28 大陆-特韦斯贸易合伙股份公司及两合公司 Transmission system for tire state quantities
CN103384774A (en) * 2010-12-20 2013-11-06 Skf公司 Power generator integrated with bearing
CN103683834A (en) * 2012-09-24 2014-03-26 南京白下高新技术产业园区投资发展有限责任公司 Magnetic-kinetic-energy self-generating device provided with internal heat dissipation mechanism
CN105114448A (en) * 2015-09-15 2015-12-02 南京埃斯顿自动控制技术有限公司 Bearing with power generation function
CN107078601A (en) * 2014-11-07 2017-08-18 纳斯佩谢丝全球机械公司 Produce the self-powered replacement energy machine of electric power

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002299032A (en) * 2001-03-28 2002-10-11 Harison Toshiba Lighting Corp Induction heating device, induction heating roller device, heating roller in the induction heating roller device, fixing device and imaging device
CN101080332A (en) * 2004-12-15 2007-11-28 大陆-特韦斯贸易合伙股份公司及两合公司 Transmission system for tire state quantities
US20070029884A1 (en) * 2005-08-08 2007-02-08 Berj A. Terzian And Jack A. Ekchian Enhanced internal electrical generators
CN103384774A (en) * 2010-12-20 2013-11-06 Skf公司 Power generator integrated with bearing
CN103683834A (en) * 2012-09-24 2014-03-26 南京白下高新技术产业园区投资发展有限责任公司 Magnetic-kinetic-energy self-generating device provided with internal heat dissipation mechanism
CN107078601A (en) * 2014-11-07 2017-08-18 纳斯佩谢丝全球机械公司 Produce the self-powered replacement energy machine of electric power
CN105114448A (en) * 2015-09-15 2015-12-02 南京埃斯顿自动控制技术有限公司 Bearing with power generation function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113589070A (en) * 2021-07-09 2021-11-02 西安交通大学 Self-powered and self-sensing integrated rotating part health monitoring device

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