CN218416095U - External rotor permanent magnet frequency conversion centrifugal fan with novel structure - Google Patents
External rotor permanent magnet frequency conversion centrifugal fan with novel structure Download PDFInfo
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- CN218416095U CN218416095U CN202222436232.4U CN202222436232U CN218416095U CN 218416095 U CN218416095 U CN 218416095U CN 202222436232 U CN202222436232 U CN 202222436232U CN 218416095 U CN218416095 U CN 218416095U
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Abstract
The utility model discloses a novel outer rotor permanent magnetism frequency conversion centrifugal fan of structure, including motor connecting plate and centrifugal impeller, the center on motor connecting plate surface is connected with the fan fixed plate, and one side of fan fixed plate is provided with the motor fixed axle, and the one end that the fan fixed plate was kept away from on motor fixed axle surface is provided with the stator, and the surface cover of motor fixed axle is equipped with first bearing and the second bearing that is located motor fixed axle both sides, and the surface of stator is connected with the rotor, the utility model relates to a novel outer rotor permanent magnetism frequency conversion centrifugal fan of structure, with the end cover, the bearing, the stator, magnet steel and rotor install the completion back according to the order, assemble centrifugal impeller with the combination that installs, directly drive centrifugal impeller through the rotor of adorning outward and rotate for frequency conversion fan work efficiency is high and the noise is low, and the convenience is overhauld the fan, and the magnet steel of decentraction structure can fully gather magnetism, makes the motor start easily.
Description
Technical Field
The utility model relates to a centrifugal fan field specifically is an outer rotor permanent magnetism frequency conversion centrifugal fan of novel structure.
Background
The variable frequency fan adopts a variable frequency control technology to control the fan to operate at variable speed according to conditions, and the variable frequency control technology is continuously perfected, developed and advanced in recent years. The variable frequency speed regulation performance of the centrifugal variable frequency fan is more and more developed, energy is saved to a great extent, and the variable frequency speed regulation method is widely applied to various fields, energy-saving benefits obtained by the variable frequency energy-saving method of the fan bring great economic benefits for enterprises in various industries, and the automatic development process of social industrial production is greatly promoted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel outer rotor permanent magnetism frequency conversion centrifugal fan of structure to solve traditional frequency conversion centrifugal fan that proposes in the above-mentioned background art and all adopt inner rotor connected mode, make the fan noise big, work efficiency low when using, and because of the rotor is inside when breaking down, lead to overhauing inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outer rotor permanent magnetism frequency conversion centrifugal fan of novel structure, includes motor connecting plate and centrifugal impeller, the center on motor connecting plate surface is connected with the fan fixed plate, one side of fan fixed plate is provided with the motor fixed axle, the one end that the fan fixed plate was kept away from on motor fixed axle surface is provided with the stator, the surface cover of motor fixed axle is equipped with first bearing and the second bearing that is located motor fixed axle both sides, the surface connection of stator has the rotor, the rotor is provided with the magnet steel with the stator junction, the fixed surface of rotor is connected with centrifugal impeller, and the rotor rotates and drives centrifugal impeller and rotate work.
Preferably, a volute is arranged on the surface of the centrifugal impeller, two ends of one side, close to the motor connecting plate, of the volute are respectively connected with two ends of the motor connecting plate, and the volute protects the centrifugal impeller from being damaged.
Preferably, both ends of the bottom of the volute are fixedly connected with fixing pins, so that the centrifugal fan is guaranteed to be placed stably.
Preferably, the top of one side of the volute is provided with an air inlet through which air flows.
Preferably, one side of the rotor is provided with a first end cover, one side of the rotor, which is far away from the first end cover, is provided with a second end cover, and the end covers ensure that all parts cannot scatter in the working process.
Preferably, the motor fixing shaft, the stator, the first bearing and the second bearing are all arranged on the inner side of the magnetic steel.
Compared with the prior art, the beneficial effects of the utility model are that: the motor fixed axle, the bearing, after stator rotor and magnet steel are assembled in order, assemble the combination of installing on centrifugal impeller, connect motor connecting plate and spiral case locking at last, it rotates to drive first bearing and second bearing on the motor fixed axle through the motor fixed axle and rotate, the stator that the drive is connected with motor fixed axle rotates along with it simultaneously, it rotates to drive the magnet steel when the stator rotates, the rotor passes through the magnet steel and rotates, thereby it is rotatory to drive the centrifugal impeller who is connected with the rotor, draw air through the air intake when centrifugal impeller is rotatory, with gaseous acceleration, then slow down, change the flow direction, make the kinetic energy convert the potential energy, adopt the magnet steel of decentraction structure, can fully gather magnetism, make the motor start easily, rotor through the external dress directly drives centrifugal impeller and rotates, make frequency conversion fan work efficiency high and noise low, and conveniently overhaul the fan.
Drawings
Fig. 1 is a plan view of the present invention;
fig. 2 is a front sectional view of the present invention;
fig. 3 is a side sectional view of the present invention.
In the figure: 1. a motor fixing shaft; 2. a fan fixing plate; 3. a first end cap; 4. a first bearing; 5. a stator; 6. a rotor; 7. a centrifugal impeller; 8. magnetic steel; 9. a second bearing; 10. a second end cap; 11. a volute; 12. an air inlet; 13. a fixing leg; 14. motor connecting plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Please refer to fig. 1-3, the utility model provides an outer rotor permanent magnetism variable frequency centrifugal fan of novel structure, including motor connecting plate 14 and centrifugal impeller 7, the center on motor connecting plate 14 surface is connected with fan fixed plate 2, one side of fan fixed plate 2 is provided with motor fixed axle 1, the one end that fan fixed plate 2 was kept away from on motor fixed axle 1 surface is provided with stator 5, the surface cover of motor fixed axle 1 is equipped with first bearing 4 and second bearing 9 that are located motor fixed axle 1 both sides, the surface connection of stator 5 has rotor 6, rotor 6 and stator 5 junction are provided with magnet steel 8, the surface connection of magnet steel 8 has rotor 6, the fixed surface of rotor 6 is connected with centrifugal impeller 7, centrifugal impeller 7's surface is provided with spiral case 11, the both ends that spiral case 11 is close to one side of motor connecting plate 14 are connected with the both ends of motor connecting plate 14 respectively, the equal fixedly connected with fixed foot 13 in both ends of spiral case 11 bottom, the top of spiral case 11 one side is provided with air intake 12, one side of rotor 6 is provided with first end cover 3, one side of rotor 6 is provided with second end cover 10, motor fixed axle 1, stator 5, first bearing 4 and second bearing 9 all set up in magnet steel inboard.
During the use, at first install fan fixed plate 2 on motor connecting plate 14, install motor fixed axle 1 on fan fixed plate 2 surface again, first end cover 3 assembles in the position that is close to fan fixed plate 2, then embolias motor fixed axle 1 with first bearing 4 and second bearing 9, and stator 5 and rotor 6 are installed according to the order again, and the motor fixed axle 1 combination that has installed is assembled on centrifugal impeller 7, uses bolted connection to lock motor connecting plate 14 and spiral case 11 at last.
When the embodiment of the application is used: firstly, a fan fixing plate 2 is installed on a motor connecting plate 14, then a motor fixing shaft 1 is installed on the surface of the fan fixing plate 2, a first end cover 3 is assembled at a position close to the fan fixing plate 2, then a first bearing 4 and a second bearing 9 are sleeved into the motor fixing shaft 1, a stator 5 and a rotor 6 are installed in sequence, the installed motor fixing shaft 1 is assembled on a centrifugal impeller 7 in a combined mode, finally the motor connecting plate 14 and a volute 11 are locked through bolt connection, the first bearing 4 and the second bearing 9 on the motor fixing shaft 1 are driven to rotate through rotation of the motor fixing shaft 1, the stator 5 connected with the motor fixing shaft 1 is driven to rotate along with rotation of the stator 5, the magnetic steel 8 is driven to rotate when the stator 5 rotates, the rotor 6 rotates through the magnetic steel 8, so that the centrifugal impeller 7 connected with the rotor 6 is driven to rotate, air is extracted through an air inlet 12 when the centrifugal impeller 7 rotates, gas is accelerated, then the speed is reduced and the flow direction is changed, kinetic energy is converted into potential energy, and the installed magnetic steel 8 adopts a core structure, so that the magnetic collection can be fully realized and the motor can be easily started.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an outer rotor permanent magnetism frequency conversion centrifugal fan of novel structure, includes motor connecting plate (14) and centrifugal impeller (7), its characterized in that: the center on motor connecting plate (14) surface is connected with fan fixed plate (2), one side of fan fixed plate (2) is provided with motor fixed axle (1), the one end that fan fixed plate (2) were kept away from on motor fixed axle (1) surface is provided with stator (5), the surface cover of motor fixed axle (1) is equipped with first bearing (4) and second bearing (9) that are located motor fixed axle (1) both sides, the surface connection of stator (5) has rotor (6), rotor (6) are provided with magnet steel (8) with stator (5) junction, the fixed surface of rotor (6) is connected with centrifugal impeller (7).
2. The outer rotor permanent magnet variable frequency centrifugal fan with a novel structure according to claim 1 is characterized in that: the centrifugal impeller is characterized in that a volute (11) is arranged on the surface of the centrifugal impeller (7), and two ends of one side, close to the motor connecting plate (14), of the volute (11) are connected with two ends of the motor connecting plate (14) respectively.
3. The outer rotor permanent magnet variable frequency centrifugal fan with the novel structure according to claim 2, is characterized in that: and both ends of the bottom of the volute (11) are fixedly connected with fixing feet (13).
4. The outer rotor permanent magnet variable frequency centrifugal fan with a novel structure according to claim 2 is characterized in that: and an air inlet (12) is formed in the top of one side of the volute (11).
5. The outer rotor permanent magnet variable frequency centrifugal fan with a novel structure according to claim 1 is characterized in that: one side of the rotor (6) is provided with a first end cover (3), and one side of the rotor (6) far away from the first end cover (3) is provided with a second end cover (10).
6. The outer rotor permanent magnet variable frequency centrifugal fan with the novel structure according to claim 1, is characterized in that: the motor fixing shaft (1), the stator (5), the first bearing (4) and the second bearing (9) are all arranged on the inner side of the magnetic steel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222436232.4U CN218416095U (en) | 2022-09-13 | 2022-09-13 | External rotor permanent magnet frequency conversion centrifugal fan with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222436232.4U CN218416095U (en) | 2022-09-13 | 2022-09-13 | External rotor permanent magnet frequency conversion centrifugal fan with novel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218416095U true CN218416095U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222436232.4U Active CN218416095U (en) | 2022-09-13 | 2022-09-13 | External rotor permanent magnet frequency conversion centrifugal fan with novel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218416095U (en) |
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2022
- 2022-09-13 CN CN202222436232.4U patent/CN218416095U/en active Active
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