CN108930660B - Low-noise intelligent pipeline fan based on Internet of things and operation method thereof - Google Patents
Low-noise intelligent pipeline fan based on Internet of things and operation method thereof Download PDFInfo
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- CN108930660B CN108930660B CN201810791072.0A CN201810791072A CN108930660B CN 108930660 B CN108930660 B CN 108930660B CN 201810791072 A CN201810791072 A CN 201810791072A CN 108930660 B CN108930660 B CN 108930660B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of fans and discloses a low-noise intelligent pipeline fan based on the Internet of things and an operation method of the low-noise intelligent pipeline fan. This low noise intelligent pipeline fan based on thing networking and operation method thereof, through the cooperation use of reset spring, loop bar, stopper, telescopic link iron plate and square groove, make the screw-thread steel ring can rotate to the inside of annular frame after can not rotate again or from the inside rotation of annular frame, made things convenient for the dismantlement of air intake and air outlet, and then made things convenient for the clearance of center box, flabellum and asynchronous machine, thereby reached the purpose that low noise intelligent pipeline fan based on thing networking and operation method make things convenient for the inside of clearance center box, flabellum and asynchronous machine.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a low-noise intelligent pipeline fan based on the Internet of things and an operation method thereof.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of the input mechanical energy, is a common abbreviation for gas compression and gas delivery machines, generally called the fan comprises a ventilator, a blower and a wind power generator, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.
Aiming at the defects of the prior art, Chinese patent (publication number: CN 105422484B) provides a low-noise intelligent pipeline fan based on the Internet of things, which has the advantages that the noise reduction effect of the pipeline fan is improved by controlling the direction of a guide plate and the rotating speed of a motor, the real-time temperature measurement is carried out on the motor, the working reliability of the motor is ensured, the reliability of the pipeline fan is improved, but the following defects are still present and need to be solved: when the fan blade rotates the wind that blows off when blowing to the metal mesh enclosure, the metal mesh enclosure can make a round trip to rock and collide with the mount and produce the noise because the reason of self toughness to because air intake and air outlet fixed mounting can not dismantle on the central box, consequently inconvenient clearance central box inside flabellum and motor.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a low-noise intelligent pipeline fan based on the Internet of things and an operation method thereof, and the low-noise intelligent pipeline fan has the advantages of low noise, convenience in cleaning fan blades in a central box, high stability and the like, and solves the problems that when wind blown out by rotation of the fan blades blows towards a metal mesh enclosure, the metal mesh enclosure can shake back and forth and collide with a fixing frame to generate noise due to the toughness of the metal mesh enclosure, and the fan blades and a motor in the central box are inconvenient to clean due to the fact that an air inlet and an air outlet are fixedly arranged on the central box and cannot be disassembled.
(II) technical scheme
In order to achieve the purposes of low noise, convenient cleaning of fan blades in the center box and high stability, the invention provides the following technical scheme: a low-noise intelligent pipeline fan based on the Internet of things and an operation method thereof comprise a center box, wherein four corners in the middle of an inner cavity of the center box are respectively and fixedly connected with supporting rods, the other ends of the four supporting rods are respectively and fixedly connected with annular supports, an asynchronous motor is fixedly installed in each annular support, fan blades are fixedly sleeved on an output shaft of the asynchronous motor, annular frames are respectively and fixedly sleeved at two ends of the center box, threaded steel rings are sleeved at the internal threads of the two annular frames, an air inlet is fixedly sleeved in the internal part of one threaded steel ring, an air outlet is fixedly sleeved in the internal part of the other threaded steel ring, circular grooves are respectively formed in the top end and the bottom end of one side in each annular frame, electromagnets are fixedly installed at one ends in the two circular grooves, sleeve rods are fixedly connected with the other ends of the electromagnets, and limiting blocks are sleeved in the, one end of the limiting block is fixedly connected with a telescopic rod, one side of the top end and the bottom end of the air inlet and one side of the top end and the bottom end of the air outlet are respectively provided with a square groove, the other end of the telescopic rod penetrates through the round groove and extends to the inside of the square groove, the iron block is fixedly connected with the outside of the iron block in a clamping manner, the outside of the telescopic rod is movably sleeved with a reset spring, four ends, close to the asynchronous motor, inside the square groove are respectively and fixedly provided with a rubber pad, the top end and the bottom end, far away from the asynchronous motor, of the inner cavity of the air inlet and the top end and the bottom end, far away from the asynchronous motor, of the inner cavity of the air outlet are respectively provided with a rectangular groove, one side, far away from the fan blades, of the rectangular groove is fixedly provided with, the outside activity of pole has cup jointed the mount, the outside both sides of pole activity respectively have cup jointed annular spring, the fixed cover of inside of mount has connect the metal mesh panel.
Preferably, the shape of the limiting block and the shape of the inside of the sleeve rod are both circular, and the outside of the limiting block is connected with the inside of the sleeve rod in a sliding mode.
Preferably, one end of the return spring is fixedly connected with one end of the electromagnet, and the other end of the return spring is fixedly connected with one end of the iron block.
Preferably, one end of the annular spring is fixedly connected with one side of the fixing block, and the other end of the annular spring is fixedly connected with one side of the inner cavity of the rectangular groove.
Preferably, the first step: firstly, the air inlet and the air outlet are respectively rotated to the insides of the two annular frames through the two screw thread steel rings.
The second step is that: and the power supply of the electromagnet is turned off, so that the iron block can be clamped with the square groove, and the rotation of the deformed steel bar ring is prevented.
The third step: and when the power supply of the asynchronous motor is turned on, the output shaft of the asynchronous motor rotates and drives the fan blades to rotate.
The fourth step: and turning off the power supply of the asynchronous motor.
Preferably, when the power of electro-magnet was closed, the iron plate popped out to the outside of circular slot under the effect of reset spring restoring force to with square groove joint, and then air intake and air outlet can not rotate.
Preferably, the model of the asynchronous motor is Y80M1-2, the rated power of the asynchronous motor is 0.75KW, the rated current of the asynchronous motor is 1.8A, the rotating speed of the asynchronous motor is 2830r/min, the efficiency of the asynchronous motor is 75%, the weight of the asynchronous motor is 18KG, the model of the electromagnet is H3045, the power of the electromagnet is 4.5KW, the voltage of the electromagnet is 24VDC, and the adsorption force of the electromagnet is 120N.
(III) advantageous effects
Compared with the prior art, the invention provides a low-noise intelligent pipeline fan based on the Internet of things and an operation method thereof, and the low-noise intelligent pipeline fan has the following beneficial effects:
1. this low noise intelligent pipeline fan based on thing networking and operation method thereof, through the cooperation use of reset spring, loop bar, stopper, telescopic link iron plate and square groove, make the screw-thread steel ring can rotate to the inside of annular frame after can not rotate again or from the inside rotation of annular frame, made things convenient for the dismantlement of air intake and air outlet, and then made things convenient for the clearance of center box, flabellum and asynchronous machine, thereby reached the purpose that low noise intelligent pipeline fan based on thing networking and operation method make things convenient for the inside of clearance center box, flabellum and asynchronous machine.
2. This low noise intelligent pipeline fan based on thing networking and operation method thereof, through the cooperation use of annular spring, round bar and mount, when making the fan blade rotate the wind that blows off and blow on the metal mesh cover, metal screen panel and mount can be together the round trip movement of small amplitude to annular spring can reduce the fan blade and rotate the effort between the wind that blows off and the metal screen panel, prevent that the metal screen panel from rocking in the inside of mount under the effort of the wind that blows off is rotated to the fan blade, the noise production, thereby reached the purpose of low noise intelligent pipeline fan based on thing networking and operation method noise reduction.
3. According to the low-noise intelligent pipeline fan based on the Internet of things and the operation method thereof, the telescopic rod can still be kept stable after extending out of the inside of the sleeve rod through the matching use of the limiting block and the sleeve rod, and cannot incline or shake, so that the stability of the low-noise intelligent pipeline fan based on the Internet of things and the operation method thereof is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the present invention at point A;
fig. 3 is an enlarged schematic view of the structure of the present invention at B.
In the figure: 1. a center box; 2. a support bar; 3. an annular support; 4. an asynchronous motor; 5. a fan blade; 6. an annular frame; 7. a deformed steel ring; 8. an air inlet; 9. an air outlet; 10. a circular groove; 11. an electromagnet; 12. a loop bar; 13. a limiting block; 14. a telescopic rod; 15. a square groove; 16. an iron block; 17. a return spring; 18. a rubber pad; 19. a rectangular groove; 20. a fixed block; 21. a round bar; 22. a fixed mount; 23. an annular spring; 24. a metal mesh enclosure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a low-noise intelligent pipeline fan based on the internet of things and an operation method thereof, includes a central box 1, wherein four corners of the middle part of the inner cavity of the central box 1 are respectively and fixedly connected with support rods 2, the other ends of the four support rods 2 are respectively and fixedly connected with an annular support 3, an asynchronous motor 4 is fixedly installed inside the annular support 3, an output shaft of the asynchronous motor 4 is fixedly sleeved with a fan blade 5, two ends of the central box 1 are respectively and fixedly sleeved with annular frames 6, internal threads of the two annular frames 6 are sleeved with threaded steel rings 7, an air inlet 8 is fixedly sleeved inside one of the threaded steel rings 7, an air outlet 9 is fixedly sleeved inside the other threaded steel ring 7, circular grooves 10 are respectively formed at the top end and the bottom end of one side inside the annular frame 6, an electromagnet 11 is fixedly installed at one end inside the two circular grooves 10, and a loop, a limiting block 13 is sleeved on the inner part of the loop bar 12 in a movable manner, the shape of the limiting block 13 and the shape of the inner part of the loop bar 12 are both circular, the outer part of the limiting block 13 is connected with the inner part of the loop bar 12 in a sliding manner, and the telescopic rod 14 can be ensured to be stable after extending out of the loop bar 12 without inclining or shaking, so that the stability of the low-noise intelligent pipeline fan based on the Internet of things and the operation method thereof is improved, one end of the limiting block 13 is fixedly connected with the telescopic rod 14, square grooves 15 are respectively formed in one side of the top end and the bottom end of the air inlet 8 and one side of the top end and the bottom end of the air outlet 9, the other end of the telescopic rod 14 penetrates through the circular groove 10 and extends to the inner part of the square groove 15 and is fixedly connected with an iron block 16, the outer part of the iron block 16 is clamped with the inner part of, the other end of the reset spring 17 is fixedly connected with one end of the iron block 16, the iron block 16 can be clamped with the square groove 15 through the matching use of the reset spring 17, the loop bar 12, the limiting block 13 and the telescopic rod 14, so that the screw-thread steel ring 7 can not rotate after rotating to the inside of the annular frame 6, and the screw-thread steel ring 7 is prevented from separating from the annular frame 6, thereby improving the rationality of the low-noise intelligent pipeline fan based on the Internet of things and the operation method thereof, rubber pads 18 are respectively and fixedly installed at one ends of the four square grooves 15, which are close to the asynchronous motor 4, the top end and the bottom end of the inner cavity of the air inlet 8, which are far away from the asynchronous motor 4, and the top end and the bottom end of the inner cavity of the air outlet 9, which are far away from the asynchronous motor 4, are respectively provided with a rectangular groove 19, a fixed block 20 is fixedly installed at one side, which is far away from the, a fixing frame 22 is movably sleeved outside the round rod 21, annular springs 23 are respectively movably sleeved on two sides of the outside of the round rod 21, one end of each annular spring 23 is fixedly connected with one side of the fixing block 20, the other end of each annular spring 23 is fixedly connected with one side of the inner cavity of the rectangular groove 19, through the matching use of the annular spring 23, the round rod 21 and the fixing frame 22, when the wind blown by the rotation of the fan blade 5 blows on the metal mesh enclosure 24, the metal mesh enclosure 24 and the fixing frame 22 can move back and forth together in a small range, and the annular spring 23 can reduce the acting force between the wind blown out by the rotation of the fan blade 5 and the metal mesh enclosure 24, prevent the metal mesh enclosure 24 from shaking in the fixing frame 22 under the acting force of the wind blown out by the rotation of the fan blade 5 to generate noise, therefore, the purpose of reducing noise of the low-noise intelligent pipeline fan based on the Internet of things and the operation method thereof is achieved, and the metal mesh enclosure 24 is fixedly sleeved inside the fixing frame 22.
During operation, the first step: firstly, the air inlet 8 and the air outlet 9 are respectively rotated to the insides of the two annular frames 6 through the two thread steel rings 7, and the second step is as follows: close the power of electro-magnet 11, when the power of electro-magnet 11 was closed, iron plate 16 popped out to the outside of circular slot 10 under the effect of reset spring 17 restoring force to with square groove 15 joint, and then air intake 8 and air outlet 9 can not rotate, make iron plate 16 can with square groove 15 joint, prevent that screw-thread steel ring 7 from rotating, the third step: turning on a power supply of an asynchronous motor 4, wherein the model of the asynchronous motor 4 is Y80M1-2, the rated power of the asynchronous motor 4 is 0.75KW, the rated current of the asynchronous motor 4 is 1.8A, the rotating speed of the asynchronous motor 4 is 2830r/min, the efficiency of the asynchronous motor 4 is 75%, the weight of the asynchronous motor 4 is 18KG, the model of an electromagnet 11 is H3045, the power of the electromagnet 11 is 4.5KW, the voltage of the electromagnet 11 is 24VDC, the adsorption force of the electromagnet 11 is 120N, an output shaft of the asynchronous motor 4 rotates and drives a fan blade 5 to rotate, and the fourth step is as follows: the power supply of the asynchronous motor 4 is switched off.
To sum up, according to the low-noise intelligent pipeline fan based on the internet of things and the operation method thereof, the deformed steel bar ring 7 can rotate to the inside of the annular frame 6 and then cannot rotate or can rotate out of the inside of the annular frame 6 through the matching use of the reset spring 17, the loop rod 12, the limiting block 13, the telescopic rod 14, the iron block 16 and the square groove 15, so that the disassembly of the air inlet 8 and the air outlet 9 is facilitated, and further the cleaning of the center box 1, the fan blades 5 and the asynchronous motor 4 is facilitated, and therefore the purpose that the inside of the center box 1, the fan blades 5 and the asynchronous motor 4 are facilitated is achieved, when wind blown out by the rotation of the fan blades 5 blows on the metal mesh enclosure 24 through the matching use of the annular spring 23, the round rod 21 and the fixing frame 22, the metal mesh enclosure 24 and the fixing frame 22 can move back and forth together in a small range, and forth movement of the annular spring 23 can reduce the acting force between the wind blown out by the rotation of the fan blades 5 The metal mesh enclosure 24 is prevented from shaking in the fixing frame 22 under the action of wind blown by the rotation of the fan blades 5 to generate noise, so that the purpose of reducing the noise of the low-noise intelligent pipeline fan based on the Internet of things and the operation method of the low-noise intelligent pipeline fan is achieved, the telescopic rod 14 can still keep stable after extending out of the inner part of the sleeve rod 12 through the matched use of the limiting block 13 and the sleeve rod 12, and the inclination or shaking is avoided, so that the stability of the low-noise intelligent pipeline fan based on the Internet of things and the operation method of the low-noise intelligent pipeline fan based on the Internet; the problem of when flabellum 5 rotates the wind that blows out when blowing to metal mesh enclosure 24, metal mesh enclosure 24 can make a round trip to rock and collide the noise production with mount 22 because the reason of self toughness to because air intake 8 and air outlet 9 fixed mounting can not dismantle on central box 1, consequently inconvenient clear up inside flabellum 5 of central box 1 and motor is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a low noise intelligence pipeline fan based on thing networking, includes central box (1), its characterized in that: the four corners at the middle part of the inner cavity of the central box (1) are respectively and fixedly connected with supporting rods (2), the other ends of the four supporting rods (2) are respectively and fixedly connected with an annular support (3), an asynchronous motor (4) is fixedly installed inside the annular support (3), fan blades (5) are fixedly sleeved on an output shaft of the asynchronous motor (4), annular frames (6) are respectively and fixedly sleeved at two ends of the central box (1), threaded steel rings (7) are sleeved on internal threads of the two annular frames (6), an air inlet (8) is fixedly sleeved inside the threaded steel ring (7), an air outlet (9) is fixedly sleeved inside the threaded steel ring (7), circular grooves (10) are respectively formed in the top end and the bottom end of one side inside the annular frame (6), and electromagnets (11) are fixedly installed at one end inside the circular grooves (10), other end fixedly connected with loop bar (12) of electro-magnet (11), stopper (13) have been cup jointed in the inside activity of loop bar (12), the one end fixedly connected with telescopic link (14) of stopper (13), square groove (15) have been seted up respectively with one side of air outlet (9) top and bottom to one side of air intake (8) top and bottom, the other end of telescopic link (14) runs through circular slot (10) and extends to inside and fixedly connected with iron plate (16) of square groove (15), the outside of iron plate (16) and the inside joint of square groove (15), reset spring (17), four have been cup jointed in the outside activity of telescopic link (14) the inside one end that is close to asynchronous machine (4) of square groove (15) respectively fixed mounting have rubber pad (18), asynchronous machine (4) one side was kept away from to top and bottom and air outlet (9) inner chamber in air intake (8) inner chamber and asynchronous machine (4) one side's top and bottom and air outlet (4) one Rectangular channel (19) have been seted up respectively, one side fixed mounting that flabellum (5) were kept away from to inside one end of rectangular channel (19) has fixed block (20), one side fixedly connected with round bar (21) of fixed block (20), one side fixed connection that fixed block (20) were kept away from to the other end of round bar (21) and rectangular channel (19) inside, mount (22) have been cup jointed in the outside activity of round bar (21), annular spring (23) have been cup jointed in the activity respectively to the outside both sides of round bar (21), metal mesh enclosure (24) have been cup jointed in the inside fixing of mount (22).
2. The low-noise intelligent pipeline fan based on the Internet of things according to claim 1, wherein: the shape of the limiting block (13) and the shape of the inner part of the sleeve rod (12) are both circular, and the outer part of the limiting block (13) is in sliding connection with the inner part of the sleeve rod (12).
3. The low-noise intelligent pipeline fan based on the Internet of things according to claim 1, wherein: one end of the reset spring (17) is fixedly connected with one end of the electromagnet (11), and the other end of the reset spring (17) is fixedly connected with one end of the iron block (16).
4. The low-noise intelligent pipeline fan based on the Internet of things according to claim 1, wherein: one end of the annular spring (23) is fixedly connected with one side of the fixing block (20), and the other end of the annular spring (23) is fixedly connected with one side of the inner cavity of the rectangular groove (19).
5. The operation method of the low-noise intelligent pipeline fan based on the Internet of things as claimed in one of claims 1 to 4 is characterized by comprising the following steps:
the first step is as follows: firstly, an air inlet (8) and an air outlet (9) are respectively rotated to the insides of two annular frames (6) through two threaded steel rings (7);
the second step is that: the power supply of the electromagnet (11) is turned off, so that the iron block (16) can be clamped with the square groove (15) to prevent the screw-thread steel ring (7) from rotating;
the third step: the power supply of the asynchronous motor (4) is turned on, and the output shaft of the asynchronous motor (4) rotates and drives the fan blades (5) to rotate;
the fourth step: and turning off the power supply of the asynchronous motor (4).
6. The operation method of the low-noise intelligent pipeline fan based on the Internet of things according to claim 5, characterized in that: when the power of the electromagnet (11) is turned off, the iron block (16) pops out of the round groove (10) under the action of restoring force of the return spring (17) and is clamped with the square groove (15), and then the air inlet (8) and the air outlet (9) cannot rotate.
7. The operation method of the low-noise intelligent pipeline fan based on the Internet of things according to claim 5, characterized in that: the novel motor is characterized in that the model of the asynchronous motor (4) is Y80M1-2, the rated power of the asynchronous motor (4) is 0.75KW, the rated current of the asynchronous motor (4) is 1.8A, the rotating speed of the asynchronous motor (4) is 2830r/min, the efficiency of the asynchronous motor (4) is 75%, the weight of the asynchronous motor (4) is 18KG, the model of the electromagnet (11) is H3045, the power of the electromagnet (11) is 4.5KW, the voltage of the electromagnet (11) is 24VDC, and the adsorption force of the electromagnet (11) is 120N.
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| CN201810791072.0A CN108930660B (en) | 2018-07-18 | 2018-07-18 | Low-noise intelligent pipeline fan based on Internet of things and operation method thereof |
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| GB2580118A (en) * | 2018-12-21 | 2020-07-15 | Elta Fans Ltd | A fan housing assembly |
| CN109737079B (en) * | 2019-01-09 | 2020-10-27 | 东北石油大学 | IoT-based low-noise intelligent duct fan |
| CN112576549B (en) * | 2020-12-03 | 2022-12-13 | 沪东中华造船(集团)有限公司 | Horizontal mounting structure and method for axial flow fan for ship |
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