CN107493001A - A kind of bearing health monitoring device with self energizing - Google Patents
A kind of bearing health monitoring device with self energizing Download PDFInfo
- Publication number
- CN107493001A CN107493001A CN201710827331.6A CN201710827331A CN107493001A CN 107493001 A CN107493001 A CN 107493001A CN 201710827331 A CN201710827331 A CN 201710827331A CN 107493001 A CN107493001 A CN 107493001A
- Authority
- CN
- China
- Prior art keywords
- bearing
- sensor
- data processing
- coil
- self energizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/04—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Abstract
A kind of bearing health monitoring device with self energizing, including the bearing being mounted on an axle, sensor and data processing emitter are installed on the retainer of bearing, processing of circuit device and multiple coils, magnet is installed on bearing (ball) cover, coil is positioned opposite with magnet, the input of the signal output part and external wireless reception device of sensor and data processing emitter is by being wirelessly transferred, the power input of sensor and data processing emitter is connected by processing of circuit device with the power output end of coil, coil and magnet, which are matched somebody with somebody, is combined into self energizing device；Alternating voltage caused by self energizing device handles the electric energy that changes into and can directly power for sensor and data processing emitter by processing of circuit device rectifying and voltage-stabilizing, sensor and data processing emitter carry out monitoring and outside wireless transmission data in real time to the state during bearing working, external wireless reception device monitors display bearing state in real time, does anticipation of being out of order in time.
Description
Technical field
The present invention relates to bearing health monitoring device technical field, and in particular to a kind of bearing health prison with self energizing
Survey device.
Background technology
Rolling bearing is the strength member for ensureing rotating machinery normal operation, ensures operating position and the running accuracy of axle,
Therefore with very strict requirements.And rolling bearing is often one of most flimsy part in mechanism, most of rotating machinery
Failure be all as produced by rolling bearing.The failure mode of rolling bearing mainly has fatigue flake, abrasion, plastic deformation, corruption
Erosion, burn, galvano-cautery, retainer damage etc., this normal work to device can produce very big hidden danger.There are some researches show rolling
Dynamic bearing is one and gradually changes process from normal condition to disabling damage, and this change can be believed from the dynamic of rolling bearing
Reflect in number, can be before there is damage in rolling bearing by the abnormal signal to finding early stage in the real-time monitoring of rolling bearing
Safeguarded in time.Carry out health monitoring to bearing state is significant in production application, on the one hand can be with
The working life of rolling bearing is greatly prolonged, the damaged condition of bearing on the other hand can be also predicted, avoid because rolling bearing can not
Calamitous economic loss predicted failure and brought etc., can obtain great economic benefit.
There is boundless application prospect due to carrying out real-time fault detection to rolling bearing, also invited in the last few years
Increasing scholar's research and concern.There is significant limitation in terms of energy supply for traditional bearing health monitoring systems.
Typically now being powered using external power source can seem very inconvenient, because the life-span of battery is limited, when battery
Electricity would have to re-replace battery after exhausting, and both wastes time and energy, and also pollutes environment after discarded.Although utilize bearing
Carry out energizing the research tendency having become instantly to bearing health monitoring systems with mechanical energy caused by process, still
Existing apparatus efficiency of power harvesting from environment is low, it is difficult to meets normal operation of sensor and the energy supply demand of signal transmitting.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, object of the present invention is to provide a kind of bearing with self energizing
Health monitoring device, the real-time monitoring to bearing running status can be realized.And the energy density of self energizing device is high, can meet
Energy required for bearing health monitoring.
In order to achieve the above object, the technical scheme taken of the present invention is：
A kind of bearing health monitoring device with self energizing, including the bearing on axle 1, the inner ring 2 of bearing with
Axle 1 rotates together, and outer ring 5 and bearing (ball) cover 11 are at stationary state；Sensor and number are installed on the retainer 4 of bearing
According to processing emitter 10, processing of circuit device 9 and multiple coils 6, magnet 8, coil 6 and magnet are installed on bearing (ball) cover 11
8 is positioned opposite, the input of the signal output part and external wireless reception device 13 of sensor and data processing emitter 10
By being wirelessly transferred, monitoring shows bearing state, sensor and data processing emitter to external wireless reception device 13 in real time
10 power input is connected with the power output end of processing of circuit device 9, the power input and line of processing of circuit device 9
The power output end of circle 6 is connected, and coil 6 and magnet 8 are with being combined into self energizing device 12.
Multiple coils 6 can produce three-phase alternating current induced electromotive force during bearing operation, when some or several lines
When circle breaks down, other coils remain able to normally energize to sensor and data processing emitter 10；Adjusted by optimizing
The gap between magnet 8 and coil 6 is saved, magnetic density can be strengthened.
The groove 7 that described magnet 8 is embedded on bearing (ball) cover 11 carries out nested encryptions, magnet 8 or by welding, the side of bonding
Formula is connected on bearing (ball) cover 11.
Described magnet 8 is rectangular shape, and bearing (ball) cover 11 is evenly arranged on the surface of bearing according to annular,
So as to which the sinusoidal voltage for the standard that is in close proximity to can be produced in coil 6, it can directly pass through caused alternating current in coil 6
The cycle of pressure obtains the rotary speed information of bearing.
Described processing of circuit device 9 includes regulator rectifier circuit, super capacitor or rechargeable battery, and regulator rectifier circuit will
Caused alternating voltage is converted into DC voltage in coil 6, and regulator rectifier circuit is whole using full-wave bridge rectifier circuit or half-wave
Current circuit；When bearing running speed is high, self energizing device 12 can be that rechargeable battery or super capacitor charge；When bearing operation turns
Speed is low, when the deficiency of self energizing device 12 thinks that sensor and data processing emitter 10 normally energize, rechargeable battery or super
Electric capacity will discharge to be energized for sensor and data processing emitter 10.
Described sensor and data processing emitter 10 are based on MEMS technology and send out sensor function and data processing
Penetrate the integrated making of function integration.
Described processing of circuit device 9, sensor and data processing emitter 10 and coil 6 are uniform on retainer 4
Arrangement.
Beneficial effects of the present invention：
Mechanical energy during bearing working is directly changed into available electric energy by the present invention by self energizing device 12, is
Sensor and data processing emitter 10 are energized, and are not powered using external power source, avoid the not side for changing battery
Just property and pollution of the waste battery to environment is eliminated.
The present invention can strengthen magnetic density, so that confession by the gap between optimizing regulation magnet 8 and coil 6
The energy capture efficiency of energy device 12 improves, and can realize the continuous energy supply to sensor and data processing emitter 10.
Magnet 8 of the present invention is evenly arranged in bearing (ball) cover 11 on the surface of bearing according to annular, so as in coil 6
The sinusoidal voltage for the standard that is in close proximity to can be produced.Only need to handle alternating voltage by simple rectifying and voltage-stabilizing
Utilize, the processing without complexity.And the rotating speed that bearing can be directly obtained by the cycle of caused alternating voltage in coil 6 is believed
Breath.
Multiple coils 6 in self energizing device 12 of the present invention are arranged on retainer 4, so as to the energy during bearing operation
Produce three-phase alternating current induced electromotive force.When some or several coils break down, other coils are remained able to sensing
Device and data processing emitter 10 normally energize, so as to improve the stability of monitoring and reliability.
Processing of circuit device 9 of the present invention includes rechargeable battery or super capacitor, when bearing running speed is higher, confession
Energy device 12 can be that rechargeable battery or super capacitor charge；When bearing running speed is relatively low, the deficiency of self energizing device 12 thinks biography
When sensor and data processing emitter 10 normally energize, rechargeable battery or super capacitor will discharge at sensor and data
Haircut injection device 10 energizes.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the control principle schematic diagram of the present invention.
Fig. 3 is the schematic diagram of regulator rectifier circuit in processing of circuit device of the present invention.
Fig. 4 is the oscillogram of three-phase alternating current induced electromotive force caused by bearing working process coil.
Fig. 5 is the power output of bearing working process coil with the variation diagram of impedance.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
The embodiment of the present invention is by taking single-row tapered roller bearing as an example, it is understood that, the present invention is not limited only to this, also
Including ball bearing, angle bearing, cylinder roller bearing, single-row, biserial and multirow bearing etc..
Referring to Figures 1 and 2, a kind of bearing health monitoring device with self energizing, including the bearing on axle 1,
Bearing is made up of inner ring 2, outer ring 5, roller 3, retainer 4 and bearing (ball) cover 11, and inner ring 2 is connected with axle 1 by being interference fitted,
Inner ring 2 rotates with axle 1, and wherein outer ring 5 and bearing (ball) cover 11 is at stationary state；Sensing is installed on retainer 4
Device and data processing emitter 10, processing of circuit device 9 and multiple coils 6, magnet 8, coil 6 are installed on bearing (ball) cover 11
It is positioned opposite with magnet 8, the signal output part and external wireless reception device 13 of sensor and data processing emitter 10
For input by being wirelessly transferred, the monitoring in real time of external wireless reception device 13 shows bearing state, sensor and data processing hair
The power input of injection device 10 is connected with the power output end of processing of circuit device 9, the power input of processing of circuit device 9
End is connected with the power output end of coil 6, and coil 6 and magnet 8, which are matched somebody with somebody, is combined into self energizing device 12；Self energizing device 12 produces
Alternating voltage handle that to change into can be sensor and data processing emitter by rectifying and voltage-stabilizing by processing of circuit device 9
10 electric energy directly powered, sensor and data processing emitter 10 are monitored in real time to the state during bearing working
And outside wireless transmission data, external wireless reception device 13 are used for the live signal of receiving bearing monitoring and display, done in time
It is out of order anticipation.
Multiple coils 6 can produce three-phase alternating current induced electromotive force during bearing operation, when some or several lines
When circle breaks down, other coils remain able to normally energize to sensor and data processing emitter 10, so as to improve prison
The stability and reliability of survey；By the gap between optimizing regulation magnet 8 and coil 6, magnetic density can be strengthened, make confession
The energy capture efficiency of energy device 12 improves.
The groove 7 that described magnet 8 is embedded on bearing (ball) cover 11 carries out nested encryptions, magnet 8 or by welding, being bonded
Mode is connected on bearing (ball) cover 11.
Described magnet 8 is rectangular shape, and bearing (ball) cover 11 is evenly arranged on the surface of bearing according to annular,
So as to which the sinusoidal voltage for the standard that is in close proximity to can be produced in coil 6, it is only necessary to pass through alternating voltage simple whole
Stream voltage stabilizing processing is available, without the processing of complexity, and directly can be obtained by the cycle of caused alternating voltage in coil 6
To the rotary speed information of bearing.
Described processing of circuit device 9 includes regulator rectifier circuit, super capacitor or rechargeable battery, and reference picture 3, rectification is steady
Caused alternating voltage in coil 6 is converted into DC voltage by volt circuit, and regulator rectifier circuit uses full-wave bridge rectifier circuit,
By using the one-way conduction characteristic of diode, by four diodes D1, D2, D3, the rectifier bridge of D4 compositions, produced when in coil 6
When raw voltage Ui is positive half cycle, D1, D3 add forward voltage to turn on, and D2, D4 add backward voltage to end；Caused by coil 6
When voltage Ui is negative half period, D2, D4 add forward voltage to turn on, and D1, D3 add backward voltage to end；Caused electric energy leads in coil 6
Full-wave rectifying circuit processing is crossed, can also be handled by half-wave rectifying circuit.Full-wave bridge rectifier can improve rectifying and wave-filtering effect
Rate, the positive-negative half-cycle signal of alternating current is set all to be fully utilized, and half-wave rectifying circuit can lose part energy.Mu balanced circuit
It is made up of current-limiting resistance R and voltage-regulator diode D, when input voltage is raised and lowered within the specific limits, there is stabilizing voltage characteristic
Voltage-regulator diode on voltage keep it is constant.When bearing running speed is high, self energizing device 12 can be rechargeable battery or super
Level electric capacity charging；When bearing running speed is low, the deficiency of self energizing device 12 is thinking sensor and data processing emitter 10 just
Often during energy supply, rechargeable battery or super capacitor will discharge and be energized for sensor and data processing emitter 10.
Described sensor and data processing emitter 10 are based on MEMS technology and send out sensor function and data processing
Penetrate the integrated making of function integration.
Described processing of circuit device 9, sensor and data processing emitter 10 and coil 6 are uniform on retainer 4
Arrangement, to prevent from causing retainer 4 bias the vibration so that outside plus.Coil 6, processing of circuit device 9 and sensor and
Data processing emitter 10 is not limited to the fixed a certain position of diagram, they can arbitrarily between mutually exchange, Huo Zhebu
The other positions on retainer 4 are put, meet function.
The present invention operation principle be：
During bearing operation, because retainer 4 is kept in motion, and bearing (ball) cover 11 is in stationary state, makes
The multiple coils 6 that must be fixed on retainer 4 produce relative motion with magnet 8, and then produce voltage in coil 6.In coil 6
Caused power flow processing of circuit device 9 carries out rectifying and voltage-stabilizing processing, is sensor and data processing emitter meeting
In the case of 10 normal energy supplies, by super capacitor or rechargeable battery of the unnecessary power storage in processing of circuit device 9.When
Bearing caused electric energy in low-speed running is with induced coil 6 can not normally energize to sensor and data processing emitter 10
When, now the super capacitor in processing of circuit device 9 or rechargeable battery will be directly to sensor and data processing emitters
10 normal energy supplies.Sensor and data processing emitter 10 can be monitored in real time to the state during bearing working, and
And outwardly wireless transmission goes out the real-time monitoring signals of bearing.The real-time monitoring signals of the receiving bearing of external wireless reception device 13
And show, and anticipation of being out of order is done in time.
Fig. 4 is three-phase alternating voltage oscillogram caused by bearing operation process coil 6, it can be seen that is produced in coil 6
Voltage be in close proximity to standard sine alternating current, therefore only need simple rectifying and voltage-stabilizing directly to be utilized after handling, nothing
Unnecessary energy need to be expended.Secondly, the rotating speed of bearing at work can be obtained by the cycle of induced voltage in coil 6.Separately
Outside, three-phase alternating current pressure energy improves the stability and reliability of bearing monitoring, when some or several coils break down,
Other coils remain able to normally energize to sensor and data processing emitter 10.
Fig. 5 be the power output of electric energy in bearing working process coil 6 with the variation diagram of external loading, in optimal impedance
The peak power output of lower coil 6 can reach 201mW.
Claims (7)
1. a kind of bearing health monitoring device with self energizing, including the bearing on axle (1), the inner ring (2) of bearing
Rotated with axle (1), outer ring (5) and bearing (ball) cover (11) are at stationary state, it is characterised in that：The retainer of bearing
(4) sensor and data processing emitter (10), processing of circuit device (9) and multiple coils (6), bearing (ball) cover are installed on
(11) magnet (8) is installed, coil (6) and magnet (8) are positioned opposite, the letter of sensor and data processing emitter (10) on
The input of number output end and external wireless reception device (13) by being wirelessly transferred, supervise in real time by external wireless reception device (13)
Survey and show bearing state, the electricity of the power input and processing of circuit device (9) of sensor and data processing emitter (10)
Source output terminal is connected, and the power input of processing of circuit device (9) is connected with the power output end of coil (6), coil (6)
Match somebody with somebody with magnet (8) and be combined into self energizing device (12).
A kind of 2. bearing health monitoring device with self energizing according to claim 1, it is characterised in that：Multiple coils
(6) three-phase alternating current induced electromotive force can be produced during bearing operation, when some or several coils break down, its
His coil remains able to normally energize to sensor and data processing emitter (10)；Pass through optimizing regulation magnet (8) and line
The gap enclosed between (6), can strengthen magnetic density.
A kind of 3. bearing health monitoring device with self energizing according to claim 1, it is characterised in that：Described magnetic
Groove (7) on the embedded bearing (ball) cover (11) of iron (8) carries out nested encryptions, magnet (8) or is connected to by welding, bonding way
On bearing (ball) cover (11).
A kind of 4. bearing health monitoring device with self energizing according to claim 1, it is characterised in that：Described magnetic
Iron (8) is rectangular shape, bearing (ball) cover (11) is evenly arranged on the surface of bearing according to annular, so as in coil
(6) sinusoidal voltage for the standard that is in close proximity to can be produced in, can directly pass through the week of caused alternating voltage in coil (6)
Phase obtains the rotary speed information of bearing.
A kind of 5. bearing health monitoring device with self energizing according to claim 1, it is characterised in that：Described electricity
Road processing unit (9) includes regulator rectifier circuit, super capacitor or rechargeable battery, and regulator rectifier circuit will produce in coil (6)
Alternating voltage be converted into DC voltage, regulator rectifier circuit uses full-wave bridge rectifier circuit or half-wave rectifying circuit；Work as axle
Hold running speed it is high when, self energizing device (12) can be that rechargeable battery or super capacitor charge；When bearing running speed is low, confession
When energy device (12) deficiency thinks sensor and data processing emitter (10) normal function, rechargeable battery or super capacitor are just
It can discharge for sensor and data processing emitter (10) energy supply.
A kind of 6. bearing health monitoring device with self energizing according to claim 1, it is characterised in that：Described biography
Sensor and data processing emitter (10) are based on MEMS technology by sensor function collection integrated with data processing emission function
Into making.
A kind of 7. bearing health monitoring device with self energizing according to claim 1, it is characterised in that：Described electricity
Road processing unit (9), sensor and data processing emitter (10) and coil (6) are evenly arranged on retainer 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827331.6A CN107493001B (en) | 2017-09-14 | 2017-09-14 | A kind of bearing health monitoring device with self energizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827331.6A CN107493001B (en) | 2017-09-14 | 2017-09-14 | A kind of bearing health monitoring device with self energizing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107493001A true CN107493001A (en) | 2017-12-19 |
| CN107493001B CN107493001B (en) | 2019-04-23 |
Family
ID=60651737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710827331.6A Active CN107493001B (en) | 2017-09-14 | 2017-09-14 | A kind of bearing health monitoring device with self energizing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107493001B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233620A (en) * | 2017-12-25 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of flywheel temp measuring system of power generator and engine |
| CN109630542A (en) * | 2018-12-18 | 2019-04-16 | 上海交通大学 | A kind of built-in wireless sensor and the intelligent bearing with self-powered function |
| CN110552956A (en) * | 2019-08-14 | 2019-12-10 | 上海交通大学 | Full self-powered rolling bearing internal sensing data acquisition wireless transmission device |
| CN113565878A (en) * | 2021-07-27 | 2021-10-29 | 重庆大学 | Wireless power supply type intelligent bearing with state monitoring function |
| 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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| CN101156074A (en) * | 2005-02-01 | 2008-04-02 | 蒂姆肯公司 | Bearing with cage mounted sensors |
| DE102010021159A1 (en) * | 2010-05-21 | 2011-11-24 | Schaeffler Technologies Gmbh & Co. Kg | Roller bearing for acquisition of speed and rotation direction and monitoring rotation bearing part, has primary part comprising leg pole with single pole winding, where permanent magnets are embedded into primary support |
| CN102939469A (en) * | 2010-06-01 | 2013-02-20 | 谢夫勒科技股份两合公司 | Bearing having energy generating unit and cage for rolling bearing |
| CN104919199A (en) * | 2012-12-05 | 2015-09-16 | Skf公司 | Bearing power generating configuration |
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2017
- 2017-09-14 CN CN201710827331.6A patent/CN107493001B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101156074A (en) * | 2005-02-01 | 2008-04-02 | 蒂姆肯公司 | Bearing with cage mounted sensors |
| DE102010021159A1 (en) * | 2010-05-21 | 2011-11-24 | Schaeffler Technologies Gmbh & Co. Kg | Roller bearing for acquisition of speed and rotation direction and monitoring rotation bearing part, has primary part comprising leg pole with single pole winding, where permanent magnets are embedded into primary support |
| CN102939469A (en) * | 2010-06-01 | 2013-02-20 | 谢夫勒科技股份两合公司 | Bearing having energy generating unit and cage for rolling bearing |
| CN104919199A (en) * | 2012-12-05 | 2015-09-16 | Skf公司 | Bearing power generating configuration |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233620A (en) * | 2017-12-25 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of flywheel temp measuring system of power generator and engine |
| CN108233620B (en) * | 2017-12-25 | 2020-04-24 | 潍柴动力股份有限公司 | Flywheel temperature measurement system of power generation facility and engine |
| CN109630542A (en) * | 2018-12-18 | 2019-04-16 | 上海交通大学 | A kind of built-in wireless sensor and the intelligent bearing with self-powered function |
| CN110552956A (en) * | 2019-08-14 | 2019-12-10 | 上海交通大学 | Full self-powered rolling bearing internal sensing data acquisition wireless transmission device |
| CN110552956B (en) * | 2019-08-14 | 2020-11-10 | 上海交通大学 | Full self-powered rolling bearing internal sensing data acquisition wireless transmission device |
| 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 |
| CN113565878A (en) * | 2021-07-27 | 2021-10-29 | 重庆大学 | Wireless power supply type intelligent bearing with state monitoring function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107493001B (en) | 2019-04-23 |
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