CN108964362B - Intelligent motor capable of realizing on-line self-monitoring and self-maintenance - Google Patents
Intelligent motor capable of realizing on-line self-monitoring and self-maintenance Download PDFInfo
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- CN108964362B CN108964362B CN201811035901.9A CN201811035901A CN108964362B CN 108964362 B CN108964362 B CN 108964362B CN 201811035901 A CN201811035901 A CN 201811035901A CN 108964362 B CN108964362 B CN 108964362B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
- 238000012423 maintenance Methods 0.000 title abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims description 44
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 8
- 230000000737 periodic effect Effects 0.000 abstract description 7
- 208000024891 symptom Diseases 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 114
- 239000010687 lubricating oil Substances 0.000 description 35
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 7
- 239000004519 grease Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
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- 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
- F16N—LUBRICATING
- F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses an intelligent motor capable of realizing online self-monitoring and self-maintenance, which comprises a motor body, wherein the motor body comprises a rotating shaft, a bearing outer end cover, a bearing inner end cover and a motor end cover, the intelligent motor further comprises a self-monitoring system, an automatic oiling device and a self-powered mechanism, the self-monitoring system comprises a temperature sensor and a vibration sensor, the automatic oiling device comprises an oiling motor, and the self-powered mechanism comprises a magnet fixed disc and a coil winding. According to the utility model, by skillfully constructing an electromagnetic power generation structure, the radial rotation power of the rotating shaft of the intelligent motor is utilized to generate power, and the self-power is supplied to the self-monitoring system and the automatic oiling device, so that the self-monitoring system and the automatic oiling device can continuously work on line in real time, and the on-line self-monitoring and the periodic self-maintenance are realized; particularly, when the motor is monitored to have fault symptoms, fault removal and fault alarm can be realized in the first time, and serious consequences caused by motor faults can be reduced to the greatest extent.
Description
Technical Field
The utility model relates to an intelligent motor capable of realizing on-line self-monitoring and self-maintenance, and belongs to the technical field of motor maintenance.
Background
With the continuous development of power electronics technology and automation control technology, motors have been widely used in industrial production. Because the bearing plays a role in bearing load and transmitting load in the motor, whether the running state of the bearing is normal or not, the performance of the whole motor is directly influenced, the bearing fault can cause damage to a motor winding and a shaft, equipment is burnt out and damaged, meanwhile, the motor performance is degraded or unexpected shutdown is caused, and the unexpected shutdown can cause immeasurable loss to industrial production or safety accidents, so that the online real-time monitoring of the running state of the bearing is of great significance.
However, the existing researches show that the bearing failure is at least 80% likely due to poor lubrication of the bearing, and the bearing continuously rotates at high speed, so that the loss of lubricating oil/liquid lubricant/grease is caused, and the bearing is excessively high in temperature and abnormal in vibration caused by increased friction force; at present, the processing mode of the faults is to replace or add lubricating oil/liquid lubricant/grease to repair and improve the lubricating effect of the bearing in time.
Although in the prior art, an online monitoring and early warning system for the temperature or vibration state of a bearing is proposed in the chinese patent application No. CN201220323453.4, and an online monitoring and early warning system for the vibration of a motor is proposed in the chinese patent application No. CN201420414749.X, the problem of fault judgment error is easily caused by temperature or vibration information alone, which may cause unnecessary burden to the maintenance work of enterprises.
In addition, in order to avoid serious consequences such as motor damage and unexpected production stoppage caused by bearing faults, the industry standard requires periodic lubrication maintenance (the standard rule is that the bearing is operated every 1500-2000 hours), the bearing is periodically replaced or added with lubricating oil/liquid lubricant/grease through a manual or automatic lubricator, and the manual maintenance requires shutdown operation, so that adverse effects are caused to enterprise production, and the manual maintenance mode is strong in randomness, so that the periodic maintenance is difficult to realize; in particular, the lubricating oil/liquid lubricant on-site filling operation is carried out in some flammable and explosive petrochemical sites, and safety accidents are easy to occur; although the existing automatic oil lubricator can solve the defect problem existing in manual maintenance and can achieve periodic maintenance, timely oil injection maintenance and fault removal treatment cannot be achieved at the first time of motor fault symptoms (such as overhigh temperature rise and abnormal vibration), and corresponding treatment still needs to be performed manually, so that risks of motor damage, accidental production stoppage and the like still exist.
The key is that no matter the existing monitoring system or the automatic oil injector needs to be provided with an additional power supply, either an external power supply or a battery, in order to simplify the trouble of wiring and improve the convenience of motor use, the battery is usually adopted for power supply, so that the battery needs to be manually replaced after frequent shutdown, and potential risks are still caused for the safety production of enterprises.
In a word, in the prior art, no intelligent motor which can self-power a motor running state monitoring system and an oiling device, can realize synchronous work of the motor running state monitoring system and the oiling device and a motor, can realize on-line self-monitoring and self-maintenance, and can realize timely oiling maintenance and troubleshooting treatment at the first time of the motor with symptoms of faults (such as overhigh temperature rise and abnormal vibration) is provided, so that the prior art cannot well meet the requirements of intelligent manufacturing and intelligent factories.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide an intelligent motor capable of realizing on-line self-monitoring and self-maintenance, which is realized by self-powering a motor running state monitoring system and an oiling device, so that the motor running state monitoring system and the oiling device work synchronously with the motor, and timely oiling maintenance and troubleshooting processing are realized at the first time when the motor is monitored to have fault symptoms (such as overhigh temperature rise and abnormal vibration), so that the motor can meet the requirements of intelligent manufacturing and intelligent factories.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the intelligent motor comprises a motor body, wherein the motor body comprises a rotating shaft, a bearing outer end cover, a bearing inner end cover and a motor end cover, the bearing is sleeved on the rotating shaft, and the motor end cover is sleeved on the bearing and is fixedly connected with the bearing outer end cover positioned at the outer end side of the bearing and the bearing inner end cover positioned at the inner end side of the bearing respectively; the method is characterized in that: the intelligent motor further comprises a self-monitoring system, an automatic oiling device and a self-powered mechanism, wherein the self-monitoring system comprises a temperature sensor and a vibration sensor, the automatic oiling device comprises an oiling motor, and the self-powered mechanism comprises a magnet fixed disc and a coil winding; the magnet fixing disc is connected to the rotating shaft between the bearing and the bearing outer end cover in an interference mode, wherein the magnet surface of the magnet fixing disc is in sliding connection with the inner side surface of the bearing outer end cover, and the back surface of the magnet fixing disc is in clearance connection with the bearing outer end surface; n groups of N-pole magnets and N groups of S-pole magnets are symmetrically and uniformly distributed on the magnet fixing disc in a central mode, the N-pole magnets and the S-pole magnets are distributed at intervals, N groups of coil windings are symmetrically and uniformly distributed on the inner side face of the bearing outer end cover opposite to the magnet face of the magnet fixing disc in the central mode, and N is a natural number; the bearing outer end cover is provided with an electric cavity, a temperature sensor and a vibration sensor in the self-monitoring system are fixedly arranged in the electric cavity, a main control singlechip, a circuit module and a lead-out hole for a coil winding output line are also arranged in the electric cavity, the coil winding output end is electrically connected with the input end of the circuit module, the output end of the circuit module is electrically connected with the temperature sensor, the vibration sensor, the main control singlechip and an oiling motor respectively, the signal output ends of the temperature sensor and the vibration sensor are all in communication connection with the signal input end of the main control singlechip, and the signal output end of the main control singlechip is connected with a driving circuit of the oiling motor; the master control singlechip at least comprises a clock circuit, and the circuit module at least comprises a rectifying and voltage stabilizing circuit.
The top of electric cavity is equipped with the pole setting the top of pole setting is connected with the changer, the inner chamber of pole setting is equipped with the lead wire passageway, circuit module passes through the electric wire and is connected with the changer electricity, and the signal output part of master control singlechip passes through signal line and changer communication connection.
In a preferred scheme, the transmitter is provided with a display screen, a transmitting antenna and a wireless communication module.
Further preferably, the transmitter is in wireless communication connection with a remote terminal, and the remote terminal comprises a motor background monitor, a mobile phone or a computer of a motor maintainer.
Preferably, the electric cavity is arranged on the outer side face of the bearing outer end cover, the automatic oiling device is arranged at the top of the bearing outer end cover, an oil injection hole is formed in the inner side face of the bearing outer end cover, and the oil injection hole is communicated with an oil outlet of the automatic oiling device.
In one embodiment, n groups of coil winding fixing holes and n groups of wire passing grooves are symmetrically and uniformly arranged on the inner side surface of the bearing outer end cover in a central symmetry mode, the coil winding fixing holes and the wire passing grooves are distributed at intervals, and wire passing channels are formed in the connecting surfaces of the coil winding fixing holes and the wire passing grooves.
In a further embodiment, the exit aperture communicates with a top wire passing slot.
In one embodiment, both the N-pole magnet and the S-pole magnet are embedded and fixed on the magnet fixing plate through screws.
In one embodiment, screw holes for fastening connection with the rotating shaft are provided on the fixing portion of the magnet fixing plate located on the outer end cover side of the bearing.
The automatic oiling device further comprises an oil storage container, an oil storage container fixing seat, an upper housing, a base, an oil passage, a piston cylinder, a piston assembly and a transmission gear set, wherein the oil storage container is detachably and fixedly connected to the oil storage container fixing seat, the oil storage container fixing seat is fixed at the top of the upper housing, the oil passage is arranged in a cavity formed by the upper housing and the base, the piston cylinder is fixedly connected to the bottom of the base, an oil inlet of the oil passage is communicated with an oil outlet of the oil storage container fixing seat, and an oil outlet of the oil passage is communicated with an oil inlet of the piston cylinder; the head of a piston rod forming the piston assembly penetrates through the base and is positioned in a cavity formed by the upper housing and the base, the transmission gear set consists of a driving gear and a driven gear, wherein the driving gear is fixed on an output shaft of the oiling motor, and the driven gear meshed with the driving gear is in transmission connection with the piston rod.
In a preferred scheme, a quantitative oil injection cavity is arranged at the lower part of the piston cylinder, the quantitative oil injection cavity is cylindrical, and the inner diameter of the quantitative oil injection cavity is matched with the outer diameter of the piston and is larger than the inner diameter of the piston cylinder above the quantitative oil injection cavity.
In a preferred scheme, the oil passage is a stud with a cavity.
Further preferably, the upper housing and the base are connected by adopting an explosion-proof joint surface, the upper part of the oil passage is connected with the upper housing in an explosion-proof way, and the lower part of the oil passage is connected with the base in an explosion-proof way; and the piston rod is connected with a shaft sleeve through explosion-proof threads, and the driven gear is sleeved on the shaft sleeve.
Further preferably, the sleeve is connected with an upper copper sleeve and a lower copper sleeve in a sliding manner, the upper copper sleeve is fixed on the oiling motor fixing seat, the lower copper sleeve is fixed on the base, and the connecting surface of the lower copper sleeve and the base is an explosion-proof joint surface.
In one embodiment, the center of the oil storage container fixing seat is provided with a threaded port for being in threaded connection with the oil storage container, and the bottom of the oil storage container fixing seat is provided with an oil outlet.
A conical head is arranged at the center of the bottom of the oil storage container fixing seat, and a plurality of fan-shaped oil outlet holes are symmetrically formed in the bottom of the oil storage container fixing seat by taking the conical head as the center.
In one preferred embodiment, a fastening assembly for reinforcing the oil reservoir is also provided above the threaded opening.
The preferred scheme is that an air respirator is arranged on the oil storage container fixing seat and is communicated with an oil inlet of the oil passage.
In one preferred scheme, an oil guide groove is formed in the top of the upper housing, and the bottom surface of the oil guide groove is communicated with an oil inlet of the oil passage.
A preferable scheme is that the oil outlet end of the piston cylinder is provided with a filter screen and a filter screen pressing cover.
Compared with the prior art, the utility model has the following beneficial technical effects:
the intelligent motor provided by the utility model realizes the self-power supply by utilizing the radial rotation power of the rotating shaft of the intelligent motor through skillfully constructing the electromagnetic power generation structure, so that the self-monitoring system and the automatic oiling device can continuously monitor the running state of the motor on line in real time, and the automatic oiling device can automatically add lubricating oil/liquid lubricant according to a preset maintenance period to realize periodic self-maintenance; particularly, when the master control singlechip monitors that the motor has fault symptoms (such as overhigh temperature rise or/and abnormal vibration), the automatic oiling device can be started automatically at the first time, and the fault is removed in real time by adding lubricating oil/liquid lubricant; if the temperature rise and vibration abnormality still cannot be removed through oiling, alarm information can be sent to a remote terminal, a background is timely informed to close the fault motor and start and switch the standby motor, and maintenance personnel go to the site to detect and maintain the fault motor, so that serious consequences caused by motor faults are reduced to the greatest extent; in addition, the utility model can also obviously save energy consumption and prolong the service life of the motor, has low maintenance cost, can provide effective guarantee for the safety production of enterprises, and can provide the most powerful support for realizing intelligent manufacturing and intelligent factories; therefore, compared with the prior art, the utility model has obvious progress and industrial practical value.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent motor capable of realizing on-line self-monitoring and self-maintenance according to embodiment 1 of the present utility model;
FIG. 2 is a block diagram showing the assembly of the self-monitoring system, the automatic oiling device, the bearing outer end cap and the bearing according to embodiment 1;
FIG. 3 is a block diagram illustrating the assembly of the self-monitoring system, the automatic oiling device and the bearing outer cover according to embodiment 1;
fig. 4 is an end sectional view of the intelligent motor according to embodiment 1;
FIG. 5 is a cross-sectional view of the self-powered mechanism of example 1;
fig. 6 is a circuit block diagram of the self-powered mechanism of embodiment 1;
fig. 7 is a functional block diagram of the master control singlechip according to embodiment 1;
FIG. 8 is a schematic rear view of the outer end cap of the bearing in example 1;
FIG. 9 is a perspective view of the outer end cap of the bearing in example 1;
fig. 10 is a schematic diagram showing a front view of the magnet holder according to embodiment 1;
FIG. 11 is a front side perspective view of the magnet holder plate of embodiment 1;
fig. 12 is a schematic structural view of an automatic oiling device according to embodiment 1 of the present utility model;
FIG. 13 is a schematic view showing the structure of the reservoir holder according to embodiment 1 of the present utility model;
FIG. 14 is a cross-sectional view of an automatic oiling device provided in embodiment 1 of the present utility model;
fig. 15 is an oiling schematic diagram of an automatic oiling device provided in embodiment 1 of the present utility model;
fig. 16 is a sectional view of an automatic oiling device with an explosion-proof function provided in embodiment 2 of the present utility model.
The reference numerals in the figures are shown below:
1. a motor body; 11. a rotating shaft; 12. a bearing; 121. the outer end face of the bearing; 13. an outer end cover of the bearing; 131. the inner side surface of the outer end cover of the bearing; 132. an electrical cavity; 1321. a master control singlechip; 1322. a circuit module; 1323. a lead-out hole; 133. the outer side surface of the outer end cover of the bearing; 134. the top of the outer end cover of the bearing; 135. an oil filling hole; 136. coil winding fixing holes; 137. wire passing grooves; 138. a wire passing channel; 14. an inner end cover of the bearing; 15 motor end cover;
2. a self-monitoring system; 21. a temperature sensor; 22. a vibration sensor; 23. a vertical rod; 24. a transmitter; 241. a display screen; 242; a transmitting antenna; 243. a wireless communication module; 25. a remote terminal;
3. an automatic oiling device; 31. oiling a motor; 311. an output shaft of the oiling motor; 312. oiling motor fixing seat; 32. an oil reservoir; 33. the oil storage container fixing seat; 331. an oil outlet hole; 332. a threaded port; 333. a conical head; 334. a fastening assembly; 3341. an arc-shaped fixing strip; 3342. a fixed ear; 3343. a fastening screw; 335. an air respirator; 34. an upper housing; 341. an oil guiding groove; 35. a base; 351. a cable joint; 352. a threaded hole; 36. an oil passage; 361. an oil inlet of the oil passage; 362. an oil outlet of the oil passage; 37. a piston cylinder; 371. an oil inlet of the piston cylinder; 372. quantitative oil filling cavity; 373. a filter screen; 374. a filter screen pressing cover; 38. a piston assembly; 381. a piston rod; 3811. a shaft sleeve; 3812. a copper sleeve is arranged; 3813. a lower copper sleeve; 382. a piston; 39. a drive gear set; 391. a drive gear; 392. a driven gear;
4. a self-powered mechanism; 41. a magnet fixing plate; 411. a magnet surface of the magnet fixing plate; 412. the back of the magnet fixing disc; 413. an N-pole magnet; 414. an S-pole magnet; 415. a screw; 416. screw holes; 42. a coil winding; 421. a coil winding output;
5. a gap; 6. lubricating oil/liquid lubricant; M1-M3, flame-proof joint surface; W1-W2, and flameproof threads.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings and the examples.
Example 1
Please refer to fig. 1 to 5: the intelligent motor capable of realizing on-line self-monitoring and self-maintenance comprises a motor body 1, a self-monitoring system 2, an automatic oiling device 3 and a self-powered mechanism 4, wherein the motor body 1 comprises a rotating shaft 11, a bearing 12, a bearing outer end cover 13, a bearing inner end cover 14 and a motor end cover 15, the bearing 12 is sleeved on the rotating shaft 11, and the motor end cover 15 is sleeved on the bearing 12 and is fixedly connected with the bearing outer end cover 13 positioned at the outer end side of the bearing 12 and the bearing inner end cover 14 positioned at the inner end side of the bearing 12 respectively; the self-monitoring system 2 comprises a temperature sensor 21 and a vibration sensor 22, the automatic oiling device 3 comprises an oiling motor 31 (not shown in fig. 1-5), and the self-powered mechanism 4 comprises a magnet fixed disc 41 and a coil winding 42; the magnet fixing disc 41 is connected to the rotating shaft 11 between the bearing 12 and the bearing outer end cover 13 in an interference manner, wherein a magnet surface 411 of the magnet fixing disc is in sliding connection with an inner side surface 131 of the bearing outer end cover (i.e. the magnet fixing disc 41 can rotate in an inner cavity of the bearing outer end cover 13), and a back surface 412 of the magnet fixing disc is in gap connection with the bearing outer end surface 121 (the gap 5 needs to meet the thermal expansion space requirement of the bearing 12); an electric cavity 132 is arranged on the bearing outer end cover 13, a temperature sensor 21 and a vibration sensor 22 in the self-monitoring system 2 are fixedly arranged in the electric cavity 132 (the temperature sensor 21 and the vibration sensor 22 are integrated into a whole in the embodiment, and can be independently arranged), a main control singlechip 1321 (not shown in fig. 1-5), a circuit module 1322 (not shown in fig. 1-5) and an outgoing hole 1323 for a coil winding output line are also arranged in the electric cavity 132, a vertical rod 23 is arranged at the top of the electric cavity 132, a transmitter 24 is connected at the top of the vertical rod 23, and a lead channel (not shown in fig. 1-5) is arranged in an inner cavity of the vertical rod 23. The electric cavity 132 is arranged on the outer side face 133 of the outer end cover of the bearing, the automatic oiling device 3 is arranged on the top 134 of the outer end cover of the bearing, the oil injection hole 135 is arranged on the inner side face 131 of the outer end cover of the bearing, and the oil injection hole 135 is communicated with an oil outlet of the automatic oiling device 3. The master singlechip 1321 at least comprises a clock circuit, and the circuit module 1322 at least comprises a rectifying and voltage stabilizing circuit.
Fig. 6 is a circuit block diagram of the self-powered mechanism, please refer to fig. 6: the coil winding output 421 is electrically connected with the input of the circuit module 1322, and the output of the circuit module 1322 is electrically connected with the temperature sensor 21, the vibration sensor 22, the master control singlechip 1321, the oiling motor 31 and the transmitter 24 respectively. That is, the self-powered mechanism 4 generates the motion of cutting the magnetic induction line while rotating the rotating shaft 11, thereby realizing electromagnetic power generation, the generated current is output to the circuit module 1322 by the coil winding output end 421 for rectification and voltage stabilization, and then the temperature sensor 21, the vibration sensor 22, the master control singlechip 1321, the oiling motor 31 and the transmitter 24 are respectively powered, so that the self-monitoring system 2 and the automatic oiling device 3 can be self-powered by the intelligent motor without battery power supply, and the real-time continuous online work of the self-monitoring system 2 and the automatic oiling device 3 can be realized.
Fig. 7 is a functional block diagram of the master control singlechip, please refer to fig. 7: the signal output ends of the temperature sensor 21 and the vibration sensor 22 are all in communication connection with the signal input end of the master control singlechip 1321, and the signal output end of the master control singlechip 1321 is in communication connection with the driving circuit of the oiling motor 31 and the transmitter 24 respectively. Firstly, because the master singlechip 1321 contains a clock circuit, a maintenance period (for example, 1500 hours) can be set through the clock, and the master singlechip 1321 automatically starts the oiling motor 31 to automatically carry out oiling, so that periodic self-maintenance is realized; in addition, the temperature rise threshold and the vibration displacement threshold of the bearing can be preset in the main control singlechip 1321 according to the working performance requirements of different motor products, once the main control singlechip 1321 monitors that the temperature rise of the bearing is greater than the threshold or/and the vibration displacement of the bearing is greater than the threshold through the temperature sensor 21 and the vibration sensor 22, the self-starting oiling motor 31 automatically carries out oiling to remove faults in real time (because the prior study shows that the probability of bearing faults is at least 80 percent because of poor lubrication of the bearing, because the bearing continuously rotates at a high speed, the loss of lubricating oil/grease is caused, so that the temperature rise of the bearing is too high and abnormal vibration is generated because of friction force increase, and the faults can be removed through replacing or adding the lubricating oil/liquid lubricant generally), so that fault diagnosis errors can be avoided on one hand, and fault development can be prevented on the other hand at the first time; if the temperature rise and vibration displacement of the bearing do not return to normal ranges (i.e., still above the threshold values) after the addition of the lubricating oil/liquid lubricant, it indicates that the failure is not due to poor lubrication, and therefore, once the failure occurs, the master singlechip 1321 may send a failure alarm message to the transmitter 24. When the transmitter 24 is provided with the display screen 241, the transmitting antenna 242 and the wireless communication module 243, the remote terminal 25 (such as a motor background monitor, a mobile phone or a computer of a motor maintainer) can receive the fault alarm notification in time through wireless communication with the transmitter 24, so as to perform the closing of the fault motor and the starting and switching of the standby motor, and the maintainer can detect and maintain the fault motor on site, thereby greatly reducing serious consequences such as motor damage, unexpected production stoppage and the like caused by bearing faults, and having remarkable industrial value.
Please refer to fig. 8 and 9: n groups of coil winding fixing holes 136 and n groups of wire passing grooves 137 (n is 3 in the embodiment) are uniformly and centrally arranged on the inner side surface 131 of the bearing outer end cover, the coil winding fixing holes 136 and the wire passing grooves 137 are arranged at intervals, wire passing channels 138 are formed in the connection surfaces of the coil winding fixing holes 136 and the wire passing grooves 137, and the lead-out holes 1323 are communicated with the wire passing grooves at the top.
Please refer to fig. 10 and 11: n groups of N pole magnets 413 and N groups of S pole magnets 414 are symmetrically and centrally distributed on the magnet fixing plate 41, the N pole magnets 413 and the S pole magnets 414 are alternately arranged, and N groups of coil windings 42 are symmetrically and centrally distributed on the inner side surface 131 of the bearing outer end cover opposite to the magnet surface 411 of the magnet fixing plate, wherein N is a natural number (N is 3 in the embodiment, but not limited thereto, and the specific number is correspondingly set according to the voltage output as required). The N-pole magnet 413 and the S-pole magnet 414 are each fixed to the magnet fixing plate 41 by a screw 415, and screw holes 416 for fastening to the rotary shaft 11 are provided in the fixing portion of the magnet fixing plate 41 located on the bearing outer end cover side.
The magnet fixing plate 41 with the N pole magnet 413 and the S pole magnet 414 fixed can synchronously rotate with the rotating shaft 11, so that the rotor can play a role of a rotor equivalent to electromagnetic power generation, and meanwhile, the fixed bearing outer end cover 13 is provided with the coil windings 42, so that the stator equivalent to electromagnetic power generation can play a role of a stator equivalent to electromagnetic power generation, and when the rotating shaft 11 rotates, the rotating shaft rotates and simultaneously generates the motion of cutting magnetic induction lines, thereby realizing the power generation by utilizing the radial rotation power of the rotating shaft.
Please refer to fig. 12 to 15: the automatic oiling device 3 in this embodiment further includes an oil storage container 32, an oil storage container fixing seat 33, an upper housing 34, a base 35, an oil passage 36, a piston cylinder 37, a piston assembly 38 and a transmission gear set 39, wherein the oil storage container 32 is detachably and fixedly connected to the oil storage container fixing seat 33, the oil storage container fixing seat 33 is fixed at the top of the upper housing 34, the oil passage 36 is disposed in a cavity formed by the upper housing 34 and the base 35, the piston cylinder 37 is fixedly connected to the bottom of the base 35, an oil inlet 361 of the oil passage is communicated with an oil outlet 331 of the oil storage container fixing seat 33, and an oil outlet 362 of the oil passage is communicated with an oil inlet 371 of the piston cylinder; the head of the piston rod 381 forming the piston assembly 38 passes through the base 35 and is located in a cavity formed by the upper housing 34 and the base 35, and the driving gear set 39 is composed of a driving gear 391 and a driven gear 392, wherein the driving gear 391 is fixed on the output shaft 311 of the oiling motor, and the driven gear 392 meshed with the driving gear 391 is in driving connection with the piston rod 381. A cable joint 351 is provided at the bottom of the base 35.
As a preferable scheme:
the oil passage 36 is a stud with a cavity, which is convenient to install and process, and at the same time, can be used to strengthen the connection between the upper housing 34 and the base 35.
The center of the oil storage container holder 33 is provided with a threaded hole 332 for threaded connection with the oil storage container 32, the center of the bottom of the oil storage container holder 33 is provided with a conical head 333, the bottom of the oil storage container holder 33 is symmetrically provided with a plurality of fan-shaped oil outlet holes 331 (4 are shown in this embodiment, but not limited to 4) taking the conical head 333 as a center, and the conical head 333 is used for puncturing the sealing hole of the oil storage container 32 after the oil storage container 32 is in place with the threaded hole 332 in a threaded manner, so that the lubricating oil/liquid lubricant can flow out.
To further stabilize the oil container 32, a fastening component 334 may be disposed above the threaded opening 332 (the fastening component 334 in this embodiment is composed of two arc-shaped fixing strips 3341 and fixing lugs 3342 and fastening screws 3343).
In order to ensure smooth oiling, an air breather 335 may be disposed on the oil storage container fixing base 33, and the air breather 335 is communicated with an oil inlet 361 of the oil passage to ensure that the internal pressure and the external pressure are equal.
In addition, an oil guiding groove 341 is provided at the top of the upper housing 34, and the bottom surface of the oil guiding groove 341 is communicated with the oil inlet 361 of the oil passage, so as to facilitate collecting and guiding the lubricating oil/liquid lubricant flowing out from the oil outlet 331 of the oil reservoir fixing seat 33 into the oil inlet 361 of the oil passage.
Please refer to fig. 15 again: when the lubricating oil/liquid lubricant 6 needs to be filled, the mouth part of the to-be-filled oil storage container 32 is only required to be in threaded connection with the threaded opening 332 on the oil storage container fixing seat 33 (as a preferable scheme, the fastening component 334 is used for reinforcing and fixing the oil storage container 32); when the oil storage container 32 is screwed into place with the screw thread 332, the sealing port of the oil storage container 32 is about to be pierced by the conical head 333 arranged at the bottom center of the oil storage container fixing seat 33, then the lubricating oil/liquid lubricant 6 flows out from the oil outlet 331 arranged at the periphery of the conical head 333 and is collected into the oil guiding groove 341, and then flows into the piston cylinder 37 from the oil inlet 361 of the oil feeding channel, after the piston cylinder 37 is fully filled with oil, the driving gear 391 is driven to rotate by starting the oiling motor 31, and the driven gear 392 is meshed with the driving gear 391, so that when the driving gear 391 rotates, the driven gear 392 can be driven to rotate, and the driven gear 392 is fixed on the shaft sleeve 3811, so that the shaft sleeve 3811 can be driven to rotate, and because the shaft sleeve 3811 is in threaded connection with the piston rod 381, the lifting movement of the piston rod 381 can be realized through the rotation of the shaft sleeve 3811, and the lifting or pressing movement of the piston 382 can be driven to realize the filling operation of the lubricating oil/liquid lubricant 6.
As a preferred solution, a quantitative oil filling cavity 372 is provided at the lower part of the piston cylinder 37, the quantitative oil filling cavity 372 is cylindrical, the inner diameter of the quantitative oil filling cavity 372 is matched with the outer diameter of the piston 382 and is larger than the inner diameter of the piston cylinder above the quantitative oil filling cavity 372, through the smart design, a single pressing stroke of the piston 382 can be fixed, so that a single oil filling amount can be quantified, and a specific capacity of the quantitative oil filling cavity 372 can be designed according to a maintenance rule of the motor, so that a filling metering method is very simple and accurate. In addition, in order to avoid the foreign matters in the lubricating oil/liquid lubricant 6 from adversely affecting the bearing 12, a filter screen 373 and a filter screen pressing cover 374 may be provided at the oil outlet end of the piston cylinder 37 to perform a filtering function.
Example 2
An object of the present embodiment is to provide an automatic oiling device 3 with an explosion-proof function, and referring to fig. 16, the automatic oiling device 3 of the present embodiment is different from the automatic oiling device of embodiment 1 only in that: the upper housing 34 is connected with the base 35 by an explosion-proof joint surface M1, the upper part of the oil passage 36 is connected with the upper housing 34 by an explosion-proof joint surface M2, and the lower part of the oil passage 36 is connected with the base 35 in an explosion-proof manner (in the embodiment, an internal thread is arranged on the threaded hole 352, an external thread is arranged on the lower part of the oil passage 36, so that the lower part of the oil passage 36 is connected with the threaded hole 352 by an explosion-proof thread W1); the piston rod 381 is connected to the sleeve 3811 by an explosion-proof screw (i.e., an internal screw is provided in the sleeve 3811, an external screw is provided in the piston rod 381, and the screw connection between the two is an explosion-proof screw W2 connection). The lower copper bush 3813 is connected with the connecting surface of the base 35 by an explosion-proof joint surface M3. By adopting the special design, the oiling motor 31 is positioned in the explosion-proof cavity formed by the upper housing 34 and the base 35, so that the automatic oiling device 3 can realize the explosion-proof function at the same time, thereby meeting the use requirement of explosion-proof places with explosive gas.
The above can be seen in the following: according to the intelligent motor provided by the utility model, through ingenious construction of an electromagnetic power generation structure and utilization of radial rotation power of the rotating shaft to generate power, self-power supply of the self-monitoring system 2 and the automatic oiling device 3 is realized, so that the self-monitoring system 2 can continuously monitor the running state of the motor on line in real time, and the automatic oiling device 3 can realize periodic filling self-maintenance of lubricating oil/liquid lubricant according to a preset maintenance period; particularly, when the master control singlechip 1321 monitors that the intelligent motor has fault symptoms (such as over-high temperature rise or/and abnormal vibration), the automatic oiling device 3 can be automatically started at the first time, and the fault is eliminated in real time by adding lubricating oil/liquid lubricant; if the temperature rise and vibration abnormality still cannot be eliminated through oiling, sending alarm information to a remote terminal, and timely informing a background to close the fault motor and start and switch the standby motor, and enabling maintenance personnel to go to the site to detect and maintain the fault motor; therefore, the utility model not only can remarkably save energy consumption and prolong the service life of the motor, but also has low maintenance cost, can provide effective guarantee for the safe production of enterprises, and can provide the most powerful support for realizing intelligent manufacturing and intelligent factories; compared with the prior art, the method has obvious progress and industrial practical value.
Finally, it is necessary to point out here that: the foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The intelligent motor comprises a motor body, wherein the motor body comprises a rotating shaft, a bearing outer end cover, a bearing inner end cover and a motor end cover, the bearing is sleeved on the rotating shaft, and the motor end cover is sleeved on the bearing and is fixedly connected with the bearing outer end cover positioned at the outer end side of the bearing and the bearing inner end cover positioned at the inner end side of the bearing respectively; the method is characterized in that: the intelligent motor further comprises a self-monitoring system, an automatic oiling device and a self-powered mechanism, wherein the self-monitoring system comprises a temperature sensor and a vibration sensor, the automatic oiling device comprises an oiling motor, and the self-powered mechanism comprises a magnet fixed disc and a coil winding; the magnet fixing disc is connected to the rotating shaft between the bearing and the bearing outer end cover in an interference mode, wherein the magnet surface of the magnet fixing disc is in sliding connection with the inner side surface of the bearing outer end cover, and the back surface of the magnet fixing disc is in clearance connection with the bearing outer end surface; n groups of N-pole magnets and N groups of S-pole magnets are symmetrically and uniformly distributed on the magnet fixing disc in a central mode, the N-pole magnets and the S-pole magnets are distributed at intervals, N groups of coil windings are symmetrically and uniformly distributed on the inner side face of the bearing outer end cover opposite to the magnet face of the magnet fixing disc in the central mode, and N is a natural number; the bearing outer end cover is provided with an electric cavity, a temperature sensor and a vibration sensor in the self-monitoring system are fixedly arranged in the electric cavity, a main control singlechip, a circuit module and a lead-out hole for a coil winding output line are also arranged in the electric cavity, the coil winding output end is electrically connected with the input end of the circuit module, the output end of the circuit module is electrically connected with the temperature sensor, the vibration sensor, the main control singlechip and an oiling motor respectively, the signal output ends of the temperature sensor and the vibration sensor are all in communication connection with the signal input end of the main control singlechip, and the signal output end of the main control singlechip is connected with a driving circuit of the oiling motor; the master control singlechip at least comprises a clock circuit, and the circuit module at least comprises a rectifying and voltage stabilizing circuit; the top of the electric cavity is provided with a vertical rod, the top of the vertical rod is connected with a transmitter, the inner cavity of the vertical rod is provided with a lead channel, the circuit module is electrically connected with the transmitter through an electric wire, and the signal output end of the master control singlechip is in communication connection with the transmitter through a signal wire; the inner side surface of the outer end cover of the bearing is symmetrically and uniformly provided with n groups of coil winding fixing holes and n groups of wire passing grooves in a central symmetry mode, the coil winding fixing holes and the wire passing grooves are distributed at intervals, and wire passing channels are formed in the connecting surfaces of the coil winding fixing holes and the wire passing grooves.
2. The intelligent motor of claim 1, wherein: the transmitter is provided with a display screen, a transmitting antenna and a wireless communication module, the transmitter is in wireless communication connection with a remote terminal, and the remote terminal comprises a motor background monitor, a mobile phone or a computer of a motor maintainer.
3. The intelligent motor of claim 1, wherein: the electric cavity is arranged on the outer side face of the bearing outer end cover, the automatic oiling device is arranged at the top of the bearing outer end cover, an oil injection hole is formed in the inner side face of the bearing outer end cover, and the oil injection hole is communicated with an oil outlet of the automatic oiling device.
4. The intelligent motor of claim 1, wherein: the automatic oiling device further comprises an oil storage container, an oil storage container fixing seat, an upper housing, a base, an oil feeding channel, a piston cylinder, a piston assembly and a transmission gear set, wherein the oil storage container is detachably and fixedly connected to the oil storage container fixing seat, the oil storage container fixing seat is fixed at the top of the upper housing, the oil feeding channel is arranged in a cavity formed by the upper housing and the base, the piston cylinder is fixedly connected to the bottom of the base, an oil inlet of the oil feeding channel is communicated with an oil outlet of the oil storage container fixing seat, and an oil outlet of the oil feeding channel is communicated with an oil inlet of the piston cylinder; the head of a piston rod forming the piston assembly penetrates through the base and is positioned in a cavity formed by the upper housing and the base, the transmission gear set consists of a driving gear and a driven gear, wherein the driving gear is fixed on an output shaft of the oiling motor, and the driven gear meshed with the driving gear is in transmission connection with the piston rod.
5. The intelligent motor according to claim 4, wherein: the lower part of the piston cylinder is provided with a quantitative oil injection cavity, the quantitative oil injection cavity is cylindrical, and the inner diameter of the quantitative oil injection cavity is matched with the outer diameter of the piston and is larger than the inner diameter of the piston cylinder above the quantitative oil injection cavity.
6. The intelligent motor according to claim 4, wherein: the upper cover shell is connected with the base through an explosion-proof joint surface, the upper part of the oil passage is connected with the upper cover shell in an explosion-proof way, and the lower part of the oil passage is connected with the base in an explosion-proof way; and the piston rod is connected with a shaft sleeve through an explosion-proof thread, the driven gear is sleeved on the shaft sleeve, an upper copper sleeve and a lower copper sleeve are connected outside the shaft sleeve in a sliding manner, the upper copper sleeve is fixed on the oiling motor fixing seat, the lower copper sleeve is fixed on the base, and the connecting surface of the lower copper sleeve and the base is an explosion-proof joint surface.
7. The intelligent motor according to claim 4, wherein: the center of oil storage container fixing base is equipped with the screw thread mouth that is used for with oil storage container threaded connection the bottom center of oil storage container fixing base is equipped with the conical head, the bottom of oil storage container fixing base with the conical head is the central symmetry offered a plurality of fan-shaped oil outlet, still is equipped with the fastening assembly who is used for strengthening oil storage container in the top of screw thread mouth.
8. The intelligent motor according to claim 4, wherein: an air respirator is arranged on the oil storage container fixing seat and is communicated with an oil inlet of the oil passage; an oil guide groove is formed in the top of the upper housing, and the bottom surface of the oil guide groove is communicated with an oil inlet of the oil passing channel; the oil outlet end of the piston cylinder is provided with a filter screen and a filter screen pressing cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035901.9A CN108964362B (en) | 2018-09-06 | 2018-09-06 | Intelligent motor capable of realizing on-line self-monitoring and self-maintenance |
| PCT/CN2019/070492 WO2020048074A1 (en) | 2018-09-06 | 2019-01-04 | Intelligent electric motor capable of performing online self-monitoring and self-maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035901.9A CN108964362B (en) | 2018-09-06 | 2018-09-06 | Intelligent motor capable of realizing on-line self-monitoring and self-maintenance |
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| Publication Number | Publication Date |
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| CN108964362A CN108964362A (en) | 2018-12-07 |
| CN108964362B true CN108964362B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811035901.9A Active CN108964362B (en) | 2018-09-06 | 2018-09-06 | Intelligent motor capable of realizing on-line self-monitoring and self-maintenance |
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| Country | Link |
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| CN (1) | CN108964362B (en) |
| WO (1) | WO2020048074A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953958A (en) * | 2018-08-31 | 2018-12-07 | 上海旗升电气股份有限公司 | A kind of IIC grades of explosion-proof oiling device |
| CN108964362B (en) * | 2018-09-06 | 2023-12-22 | 浙江中控慧机科技有限公司 | Intelligent motor capable of realizing on-line self-monitoring and self-maintenance |
| CN109038971B (en) * | 2018-09-06 | 2023-12-22 | 浙江中控慧机科技有限公司 | Motor capable of realizing on-line self-maintenance |
| CN109556660B (en) * | 2018-12-29 | 2024-04-12 | 浙江方德机器人系统技术有限公司 | Automatic detection system for comprehensive performance of small motor |
| CN111412369A (en) * | 2020-04-30 | 2020-07-14 | 中广核(当涂)新能源有限公司 | Device for automatic oiling |
| CN113359562B (en) * | 2021-06-18 | 2022-06-03 | 功力机器有限公司 | Intelligent motor lubricating system |
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| WO2020048074A1 (en) | 2020-03-12 |
| CN108964362A (en) | 2018-12-07 |
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