CN109630542B - Intelligent bearing with built-in wireless sensor and self-powered function - Google Patents
Intelligent bearing with built-in wireless sensor and self-powered function Download PDFInfo
- Publication number
- CN109630542B CN109630542B CN201811554205.9A CN201811554205A CN109630542B CN 109630542 B CN109630542 B CN 109630542B CN 201811554205 A CN201811554205 A CN 201811554205A CN 109630542 B CN109630542 B CN 109630542B
- Authority
- CN
- China
- Prior art keywords
- sensor
- coil
- intelligent bearing
- antenna
- bearing
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention provides an intelligent bearing with a built-in wireless sensor and a self-powered function, which comprises a sensor component, an antenna, a coil component and a magnet, wherein: the inner surface of the outer ring is provided with an annular inner groove, the sensor assembly, the antenna and the coil are respectively arranged in the inner groove, the outer surface of the inner ring is provided with an annular outer groove, the magnet is connected and arranged in the outer groove, the magnet rotates together with the inner ring at a high speed and generates cutting magnetic line of force motion relative to the coil assembly, induced potential is generated in the coil assembly, and the coil assembly is connected with the sensor assembly and provides electric energy for the sensor assembly; the sensor assembly is used for acquiring bearing operation parameter information and converting the acquired information into data; the sensor assembly is connected with the antenna, and the antenna is used for sending the data to realize real-time monitoring of the bearing. The invention does not need external power supply, and realizes real-time state monitoring of the bearing in the running process by wirelessly transmitting signals through the multi-parameter sensor.
Description
Technical Field
The invention relates to an intelligent bearing, in particular to an intelligent bearing with a built-in wireless sensor and a self-powered function.
Background
The modern industry gradually develops towards specialization and refinement, the market proportion of various high-end large-scale mechanical equipment is continuously increased, and a maintenance strategy which is matched with the market proportion is required to be provided. In these large installations, the bearings become the most important core components, the "heart" of the device's motion system. These large bearings are not expensive and, once damaged, result in plant downtime, even in the millions and millions of economic losses. The data suggests that equipment failure rates due to bearing damage are about 40% in the high speed train area, about 40% in the large fan area, about 35% in the aircraft engine area, about 30% in the heavy machinery area, and about 20% in the gearbox area.
At present, automatic equipment and means for reliably monitoring the health state of a bearing generally adopt manual universal instruments and equipment to periodically check the state of the bearing, improve the lubricating condition and immediately maintain and replace the bearing if a fault of the bearing is found. The method has the advantages of poor accuracy, low reliability, time and labor consumption, and particularly, the working condition of the bearing cannot be monitored, and measures are taken at the first time to avoid larger loss. Therefore, the realization of the online monitoring of the health state of the key large-scale bearing becomes a necessary way for various large-scale mechanical equipment.
The intelligent bearing is a novel bearing with online monitoring capability, and a sensor is embedded on the basis of the traditional bearing, so that potential faults can be found as soon as possible, and the intelligent bearing becomes the first choice and mainstream of online monitoring of the health state of the bearing.
However, the development of the existing intelligent bearing at home and abroad is just started, and a plurality of problems and defects still exist. There are two major drawbacks: firstly, present so-called intelligent bearing often can not all self energy supply, can only realize the function through outside power supply mode, and wired power supply needs to drag the cable, can't satisfy the bearing and tell pivoted demand, and wireless power supply needs external power supply coil, transmission efficiency low and transmission distance limited, can't satisfy the field operation requirement. Secondly, various data that the built-in sensor of current intelligent bearing gathered all are through cable wire transmission, and this has brought very big limitation to the practicality, can't realize in most work occasion.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an intelligent bearing with a built-in wireless sensor and a self-powered function, a plurality of built-in sensors are used for acquiring various working condition parameters of the intelligent bearing during working, data are acquired and preprocessed through circuits, a measurement result is sent through an antenna to realize wireless transmission of the data, the sensors and all the circuits can be powered through rotation of the bearing, wireless transmission and self-powered of the intelligent bearing are realized, and the intelligent requirements of most of the bearings can be met.
The invention provides an intelligent bearing with a built-in wireless sensor and a self-powered function, which comprises an outer ring, a roller and an inner ring, wherein the roller is used for realizing the rolling of the intelligent bearing, the intelligent bearing comprises a sensor assembly, an antenna, a coil assembly and a magnet, and the intelligent bearing comprises:
an annular inner groove is formed in the surface of an inner hole of the outer ring, the sensor assembly, the antenna and the coil are fixedly connected into the inner groove, an annular outer groove is formed in the surface of an outer circle of the inner ring, and the magnet is fixedly connected into the outer groove; the magnet rotates at a high speed along with the inner ring, generates magnetic line cutting motion relative to the coil assembly, generates induced potential in the coil assembly and provides electric energy for the sensor assembly;
the coil assembly is connected with the sensor assembly, and the sensor assembly is used for acquiring the operation parameter information of the intelligent bearing and converting the acquired information into data;
the sensor assembly is connected with the antenna, and the antenna is used for sending the data to realize real-time monitoring of the intelligent bearing.
Preferably, the intelligent bearing comprises a plurality of sensor assemblies, and the sensor assemblies are respectively and uniformly arranged in an inner groove of the outer ring;
the intelligent bearing comprises a plurality of antennas, the antennas are uniformly arranged in the inner groove of the outer ring, and the antennas and the sensor assembly are arranged at intervals;
the intelligent bearing comprises a plurality of coil assemblies, the coil assemblies are uniformly arranged in the inner groove of the outer ring, and the coil assemblies, the sensor assemblies and the antenna are distributed at intervals;
the intelligent bearing comprises a plurality of magnets, the magnets are uniformly arranged in the outer grooves of the inner ring, the number of the magnets is different from that of the coil assemblies, and the number of the magnets is not a multiple of that of the coil assemblies.
Preferably, the sensor assembly comprises a micro integrated sensor, a processing circuit and a sending circuit, the micro integrated sensor is used for collecting parameter information of the intelligent bearing in the operation process, the processing circuit carries out data processing on the collected information, the processed data is sent to the antenna through the sending circuit, and the data is output through the antenna.
A miniature integrated sensor is arranged in the sensor component to adapt to a narrow space in the bearing; the sensor assembly is internally provided with a processing circuit which can collect and process data of all sensors; the sensor assembly is internally provided with a wireless transmitting circuit, and can output acquired data through an antenna.
Preferably, the sensor assembly comprises a temperature sensor, an acceleration sensor and a rotating speed sensor which are respectively used for measuring the temperature, vibration and speed information generated in the operation process of the intelligent bearing.
Preferably, the antenna is a microstrip patch antenna, and a high-gain radiation effect can be obtained in a narrow space; the microstrip patch antenna comprises a ground plate, a dielectric substrate and a conductor patch, wherein the ground plate and the conductor patch are respectively adhered to two surfaces of the dielectric substrate through glue to form a thin antenna.
Preferably, the grounding plate is a rectangular sheet made of a high-conductivity metal material; the size of the dielectric substrate is the same as that of the grounding plate, and the dielectric substrate is made of a dielectric with a high dielectric constant; the conductor patch is a rectangular sheet, the size of the conductor patch is smaller than that of the dielectric substrate, the conductor patch is made of a high-conductivity metal material, and the conductor patch is provided with a microstrip feeder line.
Preferably, the coil assembly comprises a coil and an iron core, the cross section of the upper structure of the iron core is cylindrical, the cross section of the lower structure of the iron core is rectangular, a first through hole is formed in the lower structure, the coil assembly is fixed on the outer ring through the first through hole, an enameled wire is used for winding the coil assembly into a ring shape on the cylindrical shape, and the coil and the iron core form an integrated coil assembly.
Preferably, the magnet is an arc-shaped permanent magnet, the curvature radius of the inner arc of the magnet is equal to the curvature radius of the bottom circle of the outer groove of the inner ring, and the magnet is provided with a second through hole for fixing the magnet on the inner ring.
Preferably, the thickness of the magnet ensures that the outer circle of the magnet has a certain clearance from the coil assembly.
Compared with the prior art, the invention has the following beneficial effects:
according to the intelligent bearing based on the self-powered wireless sensing system, the real-time state monitoring of the intelligent bearing in the operation process can be realized through wireless transmission signals of the multi-parameter sensor without external power supply, and the problem that the intelligent bearing cannot supply energy per se in the prior art and can only realize functions through an external power supply mode is solved.
The invention can realize self fault early warning of the intelligent bearing, guide maintenance before the fault occurs and avoid loss caused by the fault.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1a is a schematic diagram of a smart bearing configuration in a preferred embodiment of the present invention;
FIG. 1b is an enlarged view of a portion of FIG. 1A;
FIG. 2 is a schematic diagram of the sensor assembly components in a preferred embodiment of the invention;
fig. 3a is a schematic side view of an antenna structure in a preferred embodiment of the invention;
FIG. 3b is a top view of FIG. 3a in a preferred embodiment of the present invention;
FIG. 4a is a schematic diagram of the coil assembly structure according to a preferred embodiment of the present invention;
FIG. 4b is a top view of the preferred embodiment 4a of the present invention;
FIG. 5a is a schematic view of a magnet structure according to a preferred embodiment of the present invention;
FIG. 5b is a top view of 5a in a preferred embodiment of the invention;
the scores in the figure are indicated as: the antenna comprises an outer ring 1, a roller 2, an inner ring 3, a sensor assembly 4, an antenna 5, a coil assembly 6, a magnet 7, a grounding plate 8, a dielectric substrate 9, a conductor patch 10, a coil 11, an iron core 12, an inner groove 13, an outer groove 14, a first through hole 15 and a second through hole 16.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Fig. 1-5 are schematic structural diagrams of a preferred embodiment of a smart bearing with a built-in wireless sensor and a self-powered function according to the present invention, wherein the diagrams include: outer lane 1, roller 2, inner circle 3, sensor package 4, antenna 5, coil pack 6, magnet 7, wherein:
as shown in fig. 1, an annular inner groove 13 is provided on the inner surface of the outer ring 1 at a position avoiding the rollers 2, i.e., at a position between two rows of rollers 2, for mounting and fixing all of the sensor assembly 4, the antenna 5 and the coil assembly 6; the roller 2 is a steel ball or a roller of a conventional intelligent bearing and is used for realizing the relative pure rolling between the outer ring 1 and the inner ring 3; an annular outer groove 14 is formed at a position corresponding to the inner groove 13 of the outer ring 1 on the outer circumferential surface of the inner ring 3, i.e., between the two rows of rollers 2, for mounting and fixing all the magnets 7.
A plurality of sensor assemblies 4, a plurality of antennas 5, a plurality of coil assemblies 6 and a plurality of sensor assemblies 4 are uniformly arranged in the inner groove 13 of the outer ring 1 respectively; the plurality of antennas 5 are uniformly arranged in the inner groove 13 of the outer ring 1, and the antennas 5 and the sensor assembly 4 are arranged at intervals; the coil assemblies 6 are uniformly arranged in the inner groove 13 of the outer ring 1, and the coil assemblies 6, the sensor assembly 4 and the antenna 5 are arranged at intervals.
The magnets 7 are arranged in the outer grooves 14 of the inner ring 3, the magnets 7 are uniformly arranged in the outer grooves 14 respectively, and in specific implementation, the number of the magnets 7 arranged in the outer grooves 14 of the inner ring 3 is different from the number of the coil assemblies 6 and is not a multiple of the number of the coil assemblies 6.
As shown in fig. 1a, in this embodiment, 4 sensor assemblies 4 are adopted, and the 4 sensor assemblies 4 are uniformly distributed in the inner groove 13 of the outer ring 1 at 90-degree intervals. Adopt 4 antennas 5, be 90 degrees interval evenly distributed in the inside groove 13 of outer lane 1 with 4 antennas 5, and with sensor module 4 interval distribution, be 30 degrees with sensor module 4 contained angles. 4 coil assemblies 6 are adopted, and the 4 coil assemblies 6 are uniformly distributed in an inner groove 13 of the outer ring 1 at intervals of 90 degrees, and form an included angle of 30 degrees with the sensor assembly 4 and the antenna 5; by adopting 6 magnets 7, the number of the magnets 7 cannot be consistent with that of the coil assemblies 6, or cannot be multiple of that of the coil assemblies 6, and the magnets 7 are uniformly distributed in the outer groove 14 of the inner ring 3 at intervals of 60 degrees.
As shown in fig. 2: in some preferred embodiments, the sensor assembly 4 is provided with various parameter measuring sensors, including a temperature sensor, an acceleration sensor, and a rotation speed sensor, for respectively measuring temperature, vibration, and speed information generated during the operation of the intelligent bearing. A miniature integrated sensor is arranged in the sensor assembly 4 to adapt to a narrow space in the bearing, and a processing circuit is arranged in the sensor assembly 4 and can acquire and process data of all sensors; the sensor unit 4 is provided with a wireless transmission circuit therein, and can output the acquired data through the antenna 5.
As shown in fig. 3a, 3 b: in some preferred embodiments, the antenna 5 is a microstrip patch antenna, and includes a ground plate 8, a dielectric substrate 9, and a conductor patch 10, where the ground plate 8 and the conductor patch 10 are both adhered to two sides of the dielectric substrate 9 by glue to form a thin antenna, where the ground plate 8 is a rectangular thin plate made of a highly conductive metal material, such as copper. The dielectric substrate 9 has the same length and width dimensions as those of the ground plate 8, but has a slightly thicker thickness, and is made of a dielectric with a high dielectric constant, for example, teflon. The conductor patch 10 is a rectangular sheet, the length and width of which are smaller than those of the dielectric substrate 9, and the material is a high-conductivity metal material, such as copper; the conductor patch 10 itself also carries a narrow microstrip feed line, integral with the conductor patch 10.
As shown in fig. 4a, 4 b: in some preferred embodiments, the coil assembly 6 includes two parts, namely, a coil 11 and a core 12, wherein the upper half part of the core 12 is cylindrical so as to facilitate winding the coil 11; the lower half part of the iron core 12 is in a rectangular plate shape and is provided with a first through hole 15, so that the coil assembly 6 is conveniently fixed on the outer ring 1; the coil 11 is annular and is formed by directly winding an enameled wire on the cylindrical upper half part of the iron core 12 to form the integrated coil component 6.
As shown in fig. 5a, 5 b: in some preferred embodiments, the magnet 7 is a section of arc-shaped permanent magnet, and the radius of curvature of the inner arc of the magnet 7 is equal to the radius of curvature of the bottom circle of the outer groove of the inner ring 3; the thickness of the magnet 7 should ensure that the outer circle of the magnet 7 is as close to the coil assembly 6 as possible, but enough clearance needs to be left, for example, the clearance between the two is kept to be 2 mm; the magnet 7 is provided with a second through hole 16 for securing the magnet 7 to the inner ring 3.
As shown in fig. 1a, in the embodiment, 4 sensor assemblies 4, 4 antennas 5, 4 coil assemblies 6, and 6 magnets 7 are used, and when the present invention is implemented, the number of the sensor assemblies 4, the number of the antennas 5, the number of the coil assemblies 6, and the number of the magnets 7 are not limited to the number set in the embodiment, and the number of the sensors may be set as needed.
The working principle of the invention is as follows: the outer ring 1 and the inner hole of a bearing seat of a user are positioned and fixed and kept still; the inner ring 3 is positioned and fixed with a rotating shaft of a user and rotates at a high speed along with the rotating shaft; the magnet 7 arranged in the outer groove of the inner ring 3 rotates at a high speed along with the inner ring 3 and generates a magnetic line cutting motion relative to the coil assembly 6 arranged in the inner groove of the outer ring 1, so that an induced potential is generated in the coil assembly 6 and the sensor assembly 4 is provided with electric energy; after the sensor assembly 4 obtains the electric energy from the coil assembly 6, the temperature, the vibration acceleration, the rotating speed and other information of the intelligent bearing are continuously acquired and converted into data, and the data are wirelessly transmitted outwards through the antenna 5, so that the health state of the intelligent bearing is monitored in real time.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (9)
1. The utility model provides a built-in wireless sensor and have self-powered function's intelligent bearing, intelligent bearing includes outer lane, roller, inner circle, the roller is used for realizing intelligent bearing's roll, its characterized in that: the intelligent bearing further comprises a sensor assembly, an antenna, a coil assembly and a magnet, wherein:
the inner surface of the outer ring is provided with an annular inner groove, the sensor assembly, the antenna and the coil are respectively arranged in the inner groove, the outer surface of the inner ring is provided with an annular outer groove, the magnet is arranged in the outer groove, the magnet rotates together with the inner ring at a high speed and generates cutting magnetic line of force movement relative to the coil assembly, induced potential is generated in the coil assembly, and electric energy is provided for the sensor assembly;
the sensor assembly is used for acquiring the operation parameter information of the intelligent bearing and converting the acquired information into data;
the antenna is used for sending the data collected by the sensor assembly, and real-time monitoring of the intelligent bearing is achieved.
2. The intelligent bearing with built-in wireless sensor and self-powered function as claimed in claim 1, wherein:
the intelligent bearing comprises a plurality of sensor assemblies which are respectively and uniformly arranged in the inner groove of the outer ring;
the intelligent bearing comprises a plurality of antennas, the antennas are uniformly arranged in the inner groove of the outer ring, and the antennas and the sensor assembly are arranged at intervals;
the intelligent bearing comprises a plurality of coil assemblies, the coil assemblies are uniformly arranged in the inner groove of the outer ring, and the coil assemblies, the sensor assemblies and the antenna are arranged at intervals;
the intelligent bearing comprises a plurality of magnets, the magnets are uniformly arranged in the outer grooves of the inner ring, the number of the magnets is different from that of the coil assemblies, and the number of the magnets is not a multiple of that of the coil assemblies.
3. The intelligent bearing with built-in wireless sensor and self-powered function as claimed in claim 1, wherein: the sensor assembly comprises a miniature integrated sensor, a processing circuit and a sending circuit, the miniature integrated sensor is used for collecting parameter information of the intelligent bearing in the operation process, the processing circuit carries out data processing on the collected information and sends the processed data to the antenna through the sending circuit, and the data is output through the antenna.
4. The intelligent bearing with built-in wireless sensor and self-powered function as claimed in claim 1, wherein: the sensor assembly comprises a temperature sensor, an acceleration sensor and a rotating speed sensor which are respectively used for measuring temperature, vibration and speed information generated in the operation process of the intelligent bearing.
5. The intelligent bearing with built-in wireless sensor and self-powered function as claimed in claim 1, wherein: the antenna is a microstrip patch antenna, the microstrip patch antenna comprises a ground plate, a dielectric substrate and a conductor patch, and the ground plate and the conductor patch are respectively adhered to two surfaces of the dielectric substrate through glue.
6. A built-in wireless sensor intelligent bearing with self-powered function according to claim 5, characterized in that: the grounding plate is a rectangular sheet and is made of a high-conductivity metal material;
the size of the dielectric substrate is the same as that of the grounding plate, and the dielectric substrate is made of a dielectric with a high dielectric constant;
the conductor patch is a rectangular sheet, the size of the conductor patch is smaller than that of the dielectric substrate, the conductor patch is made of a high-conductivity metal material, and the conductor patch is provided with a microstrip feeder line.
7. The intelligent bearing with the self-powered function and the built-in wireless sensor according to any one of claims 1 to 6, wherein the coil assembly comprises a coil and an iron core, the cross-sectional shape of the upper structure of the iron core is a cylindrical shape, the cross-sectional shape of the lower structure is a rectangular plate shape, the lower structure is provided with a first through hole, the first through hole is used for fixing the coil assembly on the outer ring, and an enameled wire is wound on the cylindrical shape to form the annular coil, so that the coil and the iron core form an integrated coil assembly.
8. A smart bearing with built-in wireless sensor and self-powered function as claimed in claim 7, wherein said magnet is an arc-shaped permanent magnet, the radius of curvature of the inner arc of said magnet is equal to the radius of curvature of the bottom circle of said outer groove of said inner ring, said magnet is provided with a second through hole for fixing said magnet to said inner ring.
9. The intelligent bearing with built-in wireless sensor and self-powered function of claim 8, wherein the thickness of the magnet ensures that the outer circle of the magnet has a certain gap with the coil assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554205.9A CN109630542B (en) | 2018-12-18 | 2018-12-18 | Intelligent bearing with built-in wireless sensor and self-powered function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554205.9A CN109630542B (en) | 2018-12-18 | 2018-12-18 | Intelligent bearing with built-in wireless sensor and self-powered function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630542A CN109630542A (en) | 2019-04-16 |
| CN109630542B true CN109630542B (en) | 2020-01-07 |
Family
ID=66075284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811554205.9A Active CN109630542B (en) | 2018-12-18 | 2018-12-18 | Intelligent bearing with built-in wireless sensor and self-powered function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630542B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455535A (en) * | 2019-07-18 | 2019-11-15 | 上海交通大学 | Rolling bearing internal state confesses power utilization monitoring device |
| CN111555475B (en) * | 2020-05-26 | 2021-05-14 | 沈阳工业大学 | Bearing integrated rotating-transformation pressing stator and rotor structure |
| CN112431855B (en) * | 2020-11-20 | 2022-07-05 | 上海第二工业大学 | Intelligent bearing |
| CN113063594B (en) * | 2021-03-23 | 2022-04-19 | 重庆大学 | Acoustic intelligent bearing and monitoring and diagnosing method thereof |
| CN113202862B (en) * | 2021-05-08 | 2022-08-02 | 清华大学 | Joint bearing |
| CN113586602B (en) * | 2021-07-23 | 2022-06-24 | 上海交通大学 | Bearing roller self-power supply and roller state monitoring device and working method |
| CN113565878A (en) * | 2021-07-27 | 2021-10-29 | 重庆大学 | Wireless power supply type intelligent bearing with state monitoring function |
| CN113686579B (en) * | 2021-08-24 | 2024-01-30 | 重庆大学 | Double-row tapered roller bearing with self-monitoring torsional vibration and torsional vibration monitoring method |
| CN114033794B (en) * | 2021-11-16 | 2022-11-15 | 武汉理工大学 | Slewing bearing running state on-line monitoring device |
| CN114152443A (en) * | 2021-12-28 | 2022-03-08 | 重庆大学 | Embedded acoustic intelligent bearing and monitoring and diagnosing method thereof |
| CN114509265A (en) * | 2022-04-20 | 2022-05-17 | 浙江五洲新春集团股份有限公司 | Wireless power supply's intelligent bearing on-line monitoring device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201637571U (en) * | 2010-03-25 | 2010-11-17 | 重庆大学 | Intelligent monitoring bearing |
| CN103982542B (en) * | 2014-05-28 | 2017-01-11 | 浙江师范大学 | Self-monitoring conical ball bearing for generator |
| CN106769039B (en) * | 2016-12-13 | 2019-11-08 | 西安交通大学 | A kind of mounting assembly suitable for the monitoring of rolling bearing rotary part |
| CN206397952U (en) * | 2016-12-23 | 2017-08-11 | 宁波万丰轴承有限公司 | It is a kind of can intelligent temperature control ball bearing |
| CN107493001B (en) * | 2017-09-14 | 2019-04-23 | 西安交通大学 | A kind of bearing health monitoring device with self energizing |
-
2018
- 2018-12-18 CN CN201811554205.9A patent/CN109630542B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109630542A (en) | 2019-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109630542B (en) | Intelligent bearing with built-in wireless sensor and self-powered function | |
| CN103502638B (en) | For monitoring equipment and the method for the parts health in the gear-box of power generation system | |
| CN106769039B (en) | A kind of mounting assembly suitable for the monitoring of rolling bearing rotary part | |
| KR20150005929A (en) | Bearing embedded power generating configuration | |
| CN112431855B (en) | Intelligent bearing | |
| US20110291415A1 (en) | Wind turbine and method for monitoring the gap length between a rotor and a stator of the wind turbine generator | |
| CN105865681B (en) | Rotate the power on-line monitoring system of output equipment | |
| CN113565878A (en) | Wireless power supply type intelligent bearing with state monitoring function | |
| CN203673317U (en) | Fan condition monitoring system | |
| CN109333161B (en) | Intelligent bolt monitoring system for fault detection of machine tool spindle transmission part | |
| CN203747582U (en) | Switch magnetic resistance motor with torque sensor | |
| CN102478459B (en) | Dynamo bearing fault monitoring method and device | |
| CN110552956B (en) | Full self-powered rolling bearing internal sensing data acquisition wireless transmission device | |
| CN211291996U (en) | Wireless sensing on-line monitoring device for pressure of lubricating film of sliding bearing | |
| CN104632878B (en) | It is a kind of large-scale from monitoring cylinder roller bearing | |
| JP2023159057A (en) | Acquisition and transmission of bearing data of steel mill or rolling mill | |
| CN103411663A (en) | Noise collecting system of belt conveyor | |
| CN108418315B (en) | Device and method for non-contact type rotary ultrasonic machining energy transmission and feedback signal acquisition | |
| CN113202862B (en) | Joint bearing | |
| CN107345981A (en) | Current of generator brushes on-line monitoring system | |
| CN103982557A (en) | Ball bearing with self-measurement system | |
| CN207851099U (en) | Sizing Crusher speed of mainshaft measure and control device | |
| CN112160983A (en) | Intelligent bearing capable of measuring temperature of inner ring | |
| CN104422968A (en) | Automatic rotating metal detector mounting structure | |
| CN112834213B (en) | Gearbox state monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |