CN114412805A

CN114412805A - Magnetic suspension high-speed centrifugal blower

Info

Publication number: CN114412805A
Application number: CN202210207257.9A
Authority: CN
Inventors: 尹海日; 金会善
Original assignee: Jiangsu Haituobin Future Industrial Technology Group Co ltd
Current assignee: Jiangsu Haituobin Future Industrial Technology Group Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-04-29
Anticipated expiration: 2042-03-04
Also published as: CN114412805B

Abstract

The invention discloses a magnetic suspension high-speed centrifugal blower, which relates to the technical field of magnetic suspension blowers, in particular to a magnetic suspension high-speed centrifugal blower. This high-speed centrifugal air-blower of magnetic suspension, through the support frame suit permanent-magnet machine in the inside of casing, make permanent-magnet machine's the fixed suit cooling tube in outside, make the below of shunt tubes connect up adapter sleeve and lower connecting tube down, make the left end of connecting tube and the front end fixed connection of cooling tube down, when using, conveniently shunt a small amount of air current through the shunt tubes, make the air current take away permanent-magnet machine and produce the heat in the course of the work, improve the stability of magnetic suspension work, it is in suitable operating temperature to keep the air-blower.

Description

Magnetic suspension high-speed centrifugal blower

Technical Field

The invention relates to the technical field of magnetic suspension air blowers, in particular to a magnetic suspension high-speed centrifugal air blower

Background

The magnetic suspension blower is a mechanical device for conveying gas, which adopts core technologies such as magnetic suspension bearings, three-dimensional flow impellers, a high-speed permanent magnet synchronous motor, high-efficiency frequency converter speed regulation, intelligent monitoring control and the like, is firstly suspended and then rotated during starting, has no friction and no need of lubrication, is directly connected with a rotor, has zero transmission loss, is a high-tech green energy-saving and environment-friendly product, adopts the magnetic suspension bearings without contact and mechanical friction and the high-speed high-power permanent magnet synchronous motor to directly drive the high-efficiency fluid impellers, overcomes the defects of the traditional blower and the air suspension blower, has the advantages of high efficiency, low noise, less failure, no need of a lubrication system and the like, can still safely stop the rotor rotating at high speed by depending on a protection bearing in the system even if the magnetic suspension bearings break down, and can not cause serious damage to the device, the main components comprise four parts, namely a high-efficiency centrifugal impeller, a magnetic suspension bearing, a permanent magnet synchronous motor and a special frequency converter, the fan is integrally designed, the high-speed motor, the frequency converter, the magnetic suspension bearing, a microprocessing control panel and the like are integrally designed and integrated, and the core of the fan is the magnetic suspension bearing and permanent magnet motor technology.

In the course of the work of magnetic suspension air-blower, the cooperation of permanent-magnet machine and magnetic suspension bearing drives the wind wheel and blows air, can produce a large amount of heats in permanent-magnet machine's working process, permanent-magnet machine installs the inside at the casing simultaneously, if not timely cooling can lead to the damage of internals, the air-blower is provided with the mechanism of high temperature power-off protection usually simultaneously, long-time high temperature can influence the normal work of magnetic suspension air-blower, and the air-blower is after using a period, can lead to the inside laying dust of wind wheel serious, in time need of clearing up, for this, we provide a high-speed centrifugal air-blower of magnetic suspension.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a magnetic suspension high-speed centrifugal blower, which solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high-speed centrifugal blower of magnetic suspension, includes the casing, the fixed cover in inner chamber of casing is equipped with the magnetic suspension bearing, the fixed cover in inner chamber of casing is equipped with the support frame, the fixed cover in inner chamber of support frame is equipped with permanent-magnet machine, permanent-magnet machine's the fixed cover in outside is equipped with the cooling tube, the bottom of cooling tube is respectively to the outside that extends to the casing backward forward, permanent-magnet machine's right-hand member is connected with the blast wheel, the right side of casing is provided with the air-blowing cover, the front side fixed connection shunt tubes of air-blowing cover air exit, the bottom fixedly connected with of shunt tubes goes up the adapter sleeve, the outside movable sleeve of going up the adapter sleeve bottom is equipped with down the adapter sleeve, the inboard of adapter sleeve is equipped with down the connecting pipe through the bearing cover.

Preferably, the fixed cover in inside of going up the adapter sleeve is equipped with the backup pad, the bottom surface fixedly connected with shutoff spring of going up the backup pad, the bottom fixedly connected with shutoff dish of shutoff spring, the fixed cover in inner chamber of going up the adapter sleeve is equipped with the shutoff ring, the bottom fixedly connected with supporting spring of lower adapter sleeve, supporting spring's bottom fixedly connected with support ring, the fixed cover in inner chamber of lower adapter sleeve is equipped with the lower support plate, the top fixedly connected with bracing piece of lower support plate. The setting of adapter sleeve and last backup pad and shutoff spring is utilized, utilizes the cooperation of shutoff dish and shutoff ring, when using, conveniently limits the direction of air current, when not the time spent, avoids the leakage of air-blower air current, influences the effect of air-blast, influences the efficiency of air-blast, conveniently carries out the shutoff at normal steady during operation reposition of redundant personnel end.

Preferably, the left side fixedly connected with adapter sleeve of blast sleeve, the adapter sleeve is close to outside inner chamber fixedly connected with coupling spring, coupling spring's bottom fixedly connected with connecting block, the top fixedly connected with connecting rod of connecting block, the bottom fixed mounting of connecting rod has the split board, the flexible post of outside fixed mounting of adapter sleeve has the split, and the setting of adapter sleeve plays when using and makes things convenient for blast sleeve and casing to carry out card or separation, and the use of convenience of installation has increased the practicality of device, makes things convenient for the limit to dismantle, and coupling spring, connecting block, connecting rod, split board, the flexible post of split simultaneously can make the stable connection of adapter sleeve and casing, avoids the separation of adapter sleeve and casing.

Preferably, the outside of cooling pipe and the inboard laminating of casing, the left side and the cooling pipe fixed connection of connecting the bottom of the pipe end down, the setting that the inner chamber that the blast wheel is located the blast sleeve utilized the cooling pipe can effectively cool down the outside of casing when using, avoids the overload operation of casing, leads to work unstable inadequately.

Preferably, the inboard of support ring is through the outside of bearing housing at lower connecting pipe, the outside that lower connecting pipe is close to the top is seted up the setting that the bellows support ring played the effect of supporting adapter sleeve down, makes the support ring pass through support spring and connects adapter sleeve down, can effectively avoid the separation of adapter sleeve and lower connecting pipe down.

Preferably, the bracing piece is located the below of shutoff dish, the diameter value of bracing piece is less than the internal diameter value of shutoff ring, the axis of bracing piece and the axis of lower adapter sleeve and last adapter sleeve are located same vertical line, utilize the setting of lower adapter sleeve and bottom suspension fagging and bracing piece, only shunt when needing, when using, conveniently open shutoff dish and shutoff ring, make the reposition of redundant personnel end shunt.

Preferably, the connecting sleeve is movably sleeved outside the shell, a connecting groove is formed in the outer portion, close to the right side, of the shell, the connecting groove is formed in the inner side, located on the connecting sleeve, of the connecting sleeve and is connected to the left side of the blowing sleeve, and therefore the shell and the blowing sleeve are conveniently connected or separated.

Preferably, the output shaft of the flexible post of split is located the inboard of split board, the connecting block extends to the inboard of adapter sleeve, the inboard of connecting block is located the inner chamber of casing, and connecting spring's setting plays the effect of supporting the connecting block, and the turnover is fixed the connecting block steadily in the inside of spread groove, makes casing and adapter sleeve stable connection.

The invention provides a magnetic suspension high-speed centrifugal blower which has the following beneficial effects:

1. this high-speed centrifugal air-blower of magnetic suspension, through the support frame suit permanent magnet machine in the inside of casing, make permanent magnet machine's the fixed suit cooling tube in outside, make the preceding front and back side direction of cooling tube extend to the front and back of casing backward, at the external connection shunt tubes of air-blowing cover air exit, make the below of shunt tubes connect up adapter sleeve and lower connecting pipe, make the left end of connecting pipe and the front end fixed connection of cooling tube down, when using, conveniently shunt a small amount of air current through the shunt tubes, make the air current take away permanent magnet machine and produce the heat in the course of the work, improve the stability of magnetic suspension work, it is in suitable operating temperature to keep the air-blower.

2. This high-speed centrifugal blower of magnetic suspension, through the fixed mounting upper support plate in the inside of last adapter sleeve, make the bottom fixed connection shutoff spring of upper support plate, bottom fixed connection shutoff dish at the shutoff spring, make the inside activity suit shutoff ring of upper support sleeve, simultaneously at the outside fixed suit support ring of lower connecting pipe, make the top of support ring pass through support spring and connect lower adapter sleeve, make the inboard of lower adapter sleeve pass through the top of bearing connection lower connecting pipe, be provided with the bellows between lower adapter sleeve and support ring, utilize the cooperation of lower adapter sleeve inner chamber lower support plate and bracing piece, conveniently open upper adapter sleeve, make shunt tubes reposition of redundant personnel air current.

3. This magnetic suspension high-speed centrifugal blower, through the left side fixed mounting adapter sleeve at the blast air cover, make the adapter sleeve be close to outside inboard through connecting spring erection joint piece, make the outside fixed mounting connecting rod of connecting block, at the outside fixed connection split board of connecting rod, pass through the flexible post connection split board of split in the outside of adapter sleeve, when using, conveniently make blast air cover and casing even or the separation fast through the adapter sleeve, conveniently clean or change the blower wheel

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a disassembled state;

FIG. 3 is a schematic structural view of a cooling tube according to the present invention;

FIG. 4 is a schematic view of a shunt according to the present invention;

fig. 5 is a schematic structural view of the connecting sleeve of the invention.

In the figure: 1. a housing; 2. a magnetic suspension bearing; 3. a support frame; 4. a permanent magnet motor; 5. a blower wheel; 6. a blowing sleeve; 7. connecting sleeves; 8. a shunt tube; 9. connecting sleeves are arranged; 10. an upper support plate; 11. plugging the spring; 12. a plugging disc; 13. a plugging ring; 15. a lower connecting sleeve; 16. a lower support plate; 17. a support bar; 18. a support ring; 19. a support spring; 20. a lower connecting pipe; 21. a cooling pipe; 22. connecting grooves; 23. a connecting spring; 24. connecting blocks; 25. a connecting rod; 26. splitting the plate; 27. and (4) splitting the telescopic column.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a magnetic suspension high-speed centrifugal blower comprises a shell 1, a magnetic suspension bearing 2 is fixedly sleeved in an inner cavity of the shell 1, a support frame 3 is fixedly sleeved in the inner cavity of the shell 1, a permanent magnet motor 4 is fixedly sleeved in the inner cavity of the support frame 3, the permanent magnet motor 4 is sleeved in the shell 1 through the support frame 3, the magnetic suspension bearing 2 is sleeved in the shell 1, the rotation of a blast wheel 5 can be controlled by the cooperation of the magnetic suspension bearing 2 and the permanent magnet motor 4, blast is completed through the blast wheel 5, meanwhile, the noise and friction can be effectively reduced by the cooperation of the magnetic suspension bearing 2 and the permanent magnet motor 4, a cooling pipe 21 is fixedly sleeved outside the permanent magnet motor 4, the outer side of the cooling pipe 21 is attached to the inner side of the shell 1, the left side of the bottom end of a lower connecting pipe 20 is fixedly connected with the cooling pipe 21, the blast wheel 5 is positioned in the inner cavity of the blast sleeve 6, and the cooling pipe 21 is arranged outside the permanent magnet motor 4, when using, conveniently pass through the air current that cooling tube 21 inner chamber passes through, make the outside heat that gives off of permanent-magnet machine 4 taken away, can effectively cool down around permanent-magnet machine 4, and then make permanent-magnet machine 4 keep suitable operating temperature, make things convenient for permanent-magnet machine 4's use, increased permanent-magnet machine 4's practicality.

The bottom of the cooling pipe 21 extends to the outside of the casing 1 forwards and backwards respectively, the right end of the permanent magnet motor 4 is connected with a blast wheel 5, the right side of the casing 1 is provided with a blast sleeve 6, the front side of an air outlet of the blast sleeve 6 is fixedly connected with a shunt pipe 8, the outside of the air outlet of the blast sleeve 6 is provided with the shunt pipe 8, when in use, the heat emitted in the working process of the permanent magnet motor 4 is taken away by the air flow of the split part conveniently, the permanent magnet motor 4 is kept at a proper temperature to work conveniently, the use of the device is convenient, the bottom end of the shunt pipe 8 is fixedly connected with an upper connecting sleeve 9, the outside of the bottom end of the upper connecting sleeve 9 is movably sleeved with a lower connecting sleeve 15, the inner side of the lower connecting sleeve 15 is sleeved with a lower connecting pipe 20 through a bearing, and the air flow after split can conveniently enter the inside of the cooling pipe 21 by utilizing the matching of the shunt pipe 8 and the upper connecting sleeve 9 with the lower connecting sleeve 15 and the lower connecting pipe 20, enters through the front of the cooling pipe 21 and then flows around the cooling pipe 21 to take away the temperature emitted by the permanent magnet motor 4, and then the heat is sent out from the rear of the cooling pipe 21.

Referring to fig. 4, an upper support plate 10 is fixedly sleeved inside an upper connection sleeve 9, a plugging spring 11 is fixedly connected to the bottom surface of the upper support plate 10, a plugging disc 12 is fixedly connected to the bottom end of the plugging spring 11, a plugging ring 13 is fixedly sleeved in an inner cavity of the upper connection sleeve 9, the upper support plate 10, the plugging spring 11, the plugging disc 12 and the plugging ring 13 are arranged in the inner cavity of the upper connection sleeve 9, when the device is used, the inner cavity of the upper connection sleeve 9 is conveniently ensured to be in a closed state, air leakage of the blower sleeve 6 is avoided, unidirectional flow of air can be conveniently limited, a support rod 17 is positioned below the plugging disc 12, the diameter value of the support rod 17 is smaller than the inner diameter value of the plugging ring 13, the axis of the support rod 17 and the axes of the lower connection sleeve 15 and the upper connection sleeve 9 are positioned on the same vertical line, so that the axis of the support rod 17 and the axes of the lower connection sleeve 15 and the upper connection sleeve 9 are positioned on the same axis, the supporting rod 17 can conveniently impact the bunka plugging disc 12, the plugging disc 12 can be conveniently separated from the plugging spring 11, the upper connecting sleeve 9 can be conveniently communicated with the lower connecting sleeve 15 when the plugging device needs to be used, the bottom end of the lower connecting sleeve 15 is fixedly connected with the supporting spring 19, the bottom end of the supporting spring 19 is fixedly connected with the supporting ring 18, the inner side of the supporting ring 18 is sleeved outside the lower connecting sleeve 20 through a bearing, the supporting ring 18 and the supporting spring 19 are arranged, the top end of the lower connecting sleeve 20 can be conveniently extended, the upper connecting sleeve 9 and the lower connecting sleeve 15 can be conveniently connected by utilizing the matching of corrugated pipes, the upper connecting sleeve 9 and the lower connecting sleeve 15 can be conveniently communicated, downward air supply can be conveniently carried out, the practicability of the device is improved, the corrugated pipe is arranged outside the lower connecting sleeve 20 close to the top end, the inner cavity of the lower connecting sleeve 15 is fixedly sleeved with the lower supporting plate 16, a supporting rod 17 is fixedly connected above the lower supporting plate 16, the lower connecting sleeve 15 is held by hand to rotate, the lower connecting sleeve 15 drives a supporting ring 18 to rotate outside the lower connecting sleeve 20 through a bearing through a supporting spring 19, then the lower connecting sleeve 15 moves upwards from the lower direction of the bottom end of the upper connecting sleeve 9, the lower connecting sleeve 15 moves upwards outside the upper connecting sleeve 9, the supporting spring 19 can be in a stretching state, meanwhile, a corrugated pipe section of the lower connecting sleeve 20 close to the top end can be stretched, the lower connecting sleeve 15 drives the lower supporting plate 16 and the supporting rod 17 to move upwards, the supporting rod 17 impacts the plugging disc 12 in the upwards moving process, the plugging disc 12 moves upwards, the plugging disc 12 is separated from the plugging ring 13, and the inner cavities of the upper connecting sleeve 9 and the lower connecting sleeve 15 are conveniently communicated.

Referring to fig. 5, a connecting sleeve 7 is fixedly connected to the left side of the blowing sleeve 6, the connecting sleeve 7 is movably sleeved outside the casing 1, a connecting groove 22 is formed near the right side of the casing 1, the connecting groove 22 is located inside the connecting sleeve 7, the connecting groove 22 is formed, the connecting sleeve 7 and the casing 1 are convenient to install, the connecting sleeve 7 and the casing 1 are fixed, separation of the connecting sleeve 7 and the casing 1 is avoided, and the device is convenient to use, when the device is installed, the blowing sleeve 6 is inserted from the right side of the casing 1 to the left, the connecting sleeve 7 moves only outside the casing 1, the connecting block 24 is inserted into the inner cavity of the casing 1, the casing 1 is connected with the connecting sleeve 7, the blowing sleeve 6 is further fixed, the connecting spring 23 is fixedly connected to the inner cavity of the connecting sleeve 7 near the outside, the connecting block 24 is fixedly connected to the bottom end of the connecting spring 23, and the output shaft of the detachable telescopic column 27 is located inside the detachable plate 26, connecting block 24 extends to the inboard of adapter sleeve 7, connecting block 24's inboard is located the inner chamber of casing 1, if need clear up the blast wheel 5, the output shaft through control split flexible post 27 stretches out, make the output shaft of the flexible post 27 of split promote split board 26 outwards to move, make split board 26 drive connecting rod 25 outwards to move, make connecting rod 25 drive connecting block 24 outwards to move, make connecting block 24 take out from the inner chamber of spread groove 22, make adapter sleeve 7 and casing 1 separation, take off blast air cover 6 from casing 1's outside afterwards, clear up blast wheel 5, conveniently accomplish the cleanness to blast wheel 5, the practicality of device has been improved, convenience of equipment's use, connecting block 24's top fixedly connected with connecting rod 25, connecting rod 25's bottom fixed mounting has split board 26, the outside fixed mounting of adapter sleeve 7 has the flexible post 27 of split.

In summary, when the magnetic suspension high-speed centrifugal blower is used, firstly, the permanent magnet motor 4 is started, the permanent magnet motor 4 drives the blower wheel 5 to rotate, the blower wheel 5 sucks the airflow on the right side of the blower sleeve 6 into the blower sleeve 6, then the airflow is sent out through the upper side of the blower sleeve 6, after the permanent magnet motor 4 works for a period of time, if the permanent magnet motor 4 works for a period of time, more heat is radiated outwards, the lower connecting sleeve 15 is rotated by holding the lower connecting sleeve 15 by hand, the lower connecting sleeve 15 drives the supporting ring 18 to rotate outside the lower connecting sleeve 20 through the bearing by the supporting spring 19, then the lower connecting sleeve 15 moves upwards from the lower side of the bottom end of the upper connecting sleeve 9, the lower connecting sleeve 15 moves upwards outside the upper connecting sleeve 9, the supporting spring 19 is in a stretching state, meanwhile, the corrugated pipe section of the lower connecting sleeve 20 close to the top end is stretched, and the lower connecting sleeve 15 drives the lower supporting plate 16 and the supporting rod 17 to move upwards, the supporting rod 17 impacts the plugging disc 12 in the upward movement process, so that the plugging disc 12 moves upward, the plugging disc 12 is separated from the plugging ring 13, the plugging spring 11 above the plugging disc 12 is in a compressed state, then a small part of air flow discharged above the air blowing sleeve 6 is divided into the inner cavity of the flow dividing pipe 8, the air flow is downwards sent to the inner cavity of the upper connecting sleeve 9 through the flow dividing pipe 8, then the air flow is downwards sent to the inner cavity of the upper connecting sleeve 9 through the space between the plugging disc 12 and the plugging ring 13 and enters the inner cavity of the lower connecting sleeve 15, the air flow enters the inner part of the lower connecting pipe 20 and then enters the inner part of the cooling pipe 21, the air flow is sent out through the end of the cooling pipe 21, when the air flow passes through the inner part of the cooling pipe 21, the heat emitted outwards by the permanent magnet motor 4 can be taken away by the air flow in the cooling pipe 21, after the work is finished, the flow dividing pipe 8 is separated from the lower connecting sleeve 15, and after the use for a period of time, if need clear up the blower wheel 5, stretch out through the output shaft of control split flexible post 27, make the output shaft of split flexible post 27 promote split board 26 and outwards move, make split board 26 drive connecting rod 25 outwards move, make connecting rod 25 drive connecting block 24 outwards move, make connecting block 24 take out from the inner chamber of spread groove 22, make adapter sleeve 7 and casing 1 separation, take off air blast cover 6 from the outside of casing 1 afterwards, clear up blower wheel 5, can.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. 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

1. A magnetic levitation high-speed centrifugal blower comprising a housing (1), characterized in that: the inner cavity of the shell (1) is fixedly sleeved with a magnetic suspension bearing (2), the inner cavity of the shell (1) is fixedly sleeved with a support frame (3), the inner cavity of the support frame (3) is fixedly sleeved with a permanent magnet motor (4), the outer part of the permanent magnet motor (4) is fixedly sleeved with a cooling pipe (21), the bottom parts of the cooling pipes (21) respectively extend forwards and backwards to the outside of the shell (1), the right end of the permanent magnet motor (4) is connected with a blast wheel (5), the right side of the shell (1) is provided with a blast sleeve (6), the front side of the air outlet of the air blowing sleeve (6) is fixedly connected with a shunt pipe (8), the bottom end of the shunt pipe (8) is fixedly connected with an upper connecting sleeve (9), a lower connecting sleeve (15) is movably sleeved outside the bottom end of the upper connecting sleeve (9), the inner side of the lower connecting sleeve (15) is sleeved with a lower connecting pipe (20) through a bearing.

2. A magnetic levitation high speed centrifugal blower as claimed in claim 1 wherein: go up the fixed cover in inside of adapter sleeve (9) and be equipped with backup pad (10), go up bottom surface fixedly connected with shutoff spring (11) of backup pad (10), the bottom fixedly connected with shutoff dish (12) of shutoff spring (11), the inner chamber fixed cover of going up adapter sleeve (9) is equipped with shutoff ring (13), the bottom fixedly connected with supporting spring (19) of adapter sleeve (15) down, the bottom fixedly connected with support ring (18) of supporting spring (19), the fixed cover in inner chamber of adapter sleeve (15) is equipped with bottom suspension fagging (16) down, the top fixedly connected with bracing piece (17) of bottom suspension fagging (16).

3. A magnetic levitation high speed centrifugal blower as claimed in claim 1 wherein: left side fixedly connected with adapter sleeve (7) of blast sleeve (6), adapter sleeve (7) are close to outside inner chamber fixedly connected with connecting spring (23), bottom fixedly connected with connecting block (24) of connecting spring (23), top fixedly connected with connecting rod (25) of connecting block (24), the bottom fixed mounting of connecting rod (25) has split board (26), the outside fixed mounting of adapter sleeve (7) has flexible post of split (27).

4. A magnetic levitation high speed centrifugal blower as claimed in claim 1 wherein: the outside of cooling tube (21) and the inboard laminating of casing (1), the left side and the cooling tube (21) fixed connection of lower connecting pipe (20) bottom, blast wheel (5) are located the inner chamber of blast sleeve (6).

5. A magnetic levitation high speed centrifugal blower as claimed in claim 2 wherein: the inner side of the support ring (18) is sleeved outside the lower connecting pipe (20) through a bearing, and the outer part of the lower connecting pipe (20) close to the top end is provided with a corrugated pipe.

6. A magnetic levitation high speed centrifugal blower as claimed in claim 2 wherein: the bracing piece (17) are located the below of shutoff dish (12), the diameter value of bracing piece (17) is less than the internal diameter value of shutoff ring (13), the axis of bracing piece (17) and the axis of lower adapter sleeve (15) and upper connection cover (9) are located same vertical line.

7. A magnetic levitation high speed centrifugal blower as claimed in claim 3 wherein: the utility model discloses a portable electronic device, including casing (1), adapter sleeve (7) activity suit is in the outside of casing (1), connecting groove (22) have been seted up near the right side in the outside of casing (1), connecting groove (22) are located the inboard of adapter sleeve (7).

8. A magnetic levitation high speed centrifugal blower as claimed in claim 3 wherein: the output shaft of the flexible post of split (27) is located the inboard of split board (26), connecting block (24) extend to the inboard of adapter sleeve (7), the inboard of connecting block (24) is located the inner chamber of casing (1).