CN214998295U - Switched reluctance outer rotor fan - Google Patents
Switched reluctance outer rotor fan Download PDFInfo
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- CN214998295U CN214998295U CN202120088521.2U CN202120088521U CN214998295U CN 214998295 U CN214998295 U CN 214998295U CN 202120088521 U CN202120088521 U CN 202120088521U CN 214998295 U CN214998295 U CN 214998295U
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- fan
- outer rotor
- switched reluctance
- volute
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Abstract
The utility model belongs to the technical field of the fan is used, specifically disclose switched reluctance external rotor fan, including platform, external rotor electric machine, shaft coupling, spiral case mounting bracket, spiral case, gas outlet, admission line connecting seat, admission line, area bearing fixed block, linkage bull stick and impeller etc.. The utility model discloses a switch magnetic resistance external rotor fan's beneficial effect lies in: 1. the outer rotor motor is provided with the flange plate, so that the size and the weight of the outer rotor motor are reduced, the risk of motor blockage is reduced, and the efficiency of the fan is improved; 2. because of adopting the connection mode of tight fit and press fit, the stress area of the middle disc of the impeller is greatly increased, and at the moment, the middle disc not only plays a role in connection, but also plays a role in support, and is more firmly connected with the motor rotor; 3. the outer rotor motor directly drives the advanced structure and the reasonable pneumatic design of the impeller, and has the characteristics of high efficiency, low noise, light weight, compact structure, convenient installation and maintenance and the like.
Description
Technical Field
The utility model belongs to the technical field of the fan is used, concretely relates to switched reluctance external rotor fan, wide application in power plant, chemical industry, mine, steel, cement etc. and other industrial places.
Background
From the situation at home and abroad, the development space of the domestic fan is optimistic and cannot be stopped before, and from the national development point of view, the use amount of the fan is continuously increased, which means that the fan is very popular, particularly, the use amount of the fan is more gradually increased, and certainly, the fan is also based on the very severe development situation.
The foreign fan has the development direction of large capacity, high pressure, compact structure, less energy consumption, low noise, high efficiency, good plasticity and strong exhaust purification capability; the skid-mounted foundation-free and full-cover low-noise design is adopted generally, so that the installation, foundation and debugging costs are greatly saved; the novel air valve which runs under the condition of variable working conditions is continuously developed, so that the service life of the air valve is greatly prolonged; in the product design, the calculation accuracy is improved by applying fan thermodynamics and dynamics calculation software, working process simulation software and the like, the success rate of new product development is improved by comprehensively simulating the performance parameters of the machine under the actual working condition of a model, and the electromechanical integration is strengthened.
Therefore, based on the above problem, the utility model provides a switched reluctance external rotor fan solves the weak point of traditional fan.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a switched reluctance external rotor fan, overall structure reasonable in design solves traditional fan inefficiency, the noise is big, the weight is heavy, the structure is loaded down with trivial details, the troublesome scheduling problem of maintenance, and its operating condition is stable, efficient, safe, reliable.
The technical scheme is as follows: the utility model provides a switched reluctance external rotor fan, which comprises a platform, and set up the external rotor electric machine on the platform, and the shaft coupling of being connected with the external rotor electric machine, and set up the spiral case mounting bracket that just is located external rotor electric machine one side on the platform, and set up the spiral case on the spiral case mounting bracket, and set up the gas outlet on the spiral case, the admission line connecting seat, and set up the admission line on the admission line connecting seat, and set up the tape spool bearing fixed block at spiral case one side outer wall, and one end runs through the linkage bull stick that the tape spool bearing fixed block is located the spiral case, and set up the impeller that just is located the spiral case in linkage bull stick one end, the other end and the coupling joint of linkage bull stick.
According to the technical scheme, the air inlet pipeline connecting seat is of a conical hollow structure.
According to the technical scheme, the coupler comprises a group of coupler outer cylinders, a plurality of bolt holes which are respectively arranged in the group of coupler outer cylinders, a plurality of bolts which are fixedly connected with the group of coupler outer cylinders through the bolt holes, and shaft holes which are respectively arranged in the group of coupler outer cylinders and matched with the linkage rotating rod and the outer rotor motor for use.
According to the technical scheme, the switched reluctance outer rotor fan further comprises key grooves which are respectively arranged on the inner walls of the outer cylinders of the group of couplers and are matched with the linkage rotating rod and the outer rotor motor for use, wherein keys which are matched with the key grooves for use are respectively arranged on the outer walls of the linkage rotating rod and the outer rotor motor.
Compared with the prior art, the utility model discloses a switch magnetic resistance external rotor fan's beneficial effect lies in: 1. the outer rotor motor is provided with the flange plate, so that the size and the weight of the outer rotor motor are reduced, the risk of motor blockage is reduced, and the efficiency of the fan is improved; 2. because of adopting the connection mode of tight fit and press fit, the stress area of the middle disc of the impeller is greatly increased, and at the moment, the middle disc not only plays a role in connection, but also plays a role in support, and is more firmly connected with the motor rotor; 3. the outer rotor motor directly drives the advanced structure and the reasonable pneumatic design of the impeller, and has the characteristics of high efficiency, low noise, light weight, compact structure, convenient installation and maintenance and the like.
Drawings
Fig. 1 is a schematic structural view of a switched reluctance external rotor fan according to the present invention;
fig. 2 and 3 are schematic structural diagrams of the coupling of the switched reluctance external rotor fan according to the present invention;
fig. 4 is a schematic structural diagram of the casing mounting bracket, the volute, the gas outlet, the air inlet pipe connecting seat and the like of the switched reluctance external rotor fan of the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Examples
The switched reluctance external rotor fan shown in fig. 1, fig. 2, fig. 3 and fig. 4 comprises a platform 5, an external rotor motor 4 arranged on the platform 5, a coupling 3 connected with the external rotor motor 4, a volute mounting bracket 7 arranged on the platform 5 and positioned on one side of the external rotor motor 4, a volute 8 arranged on the volute mounting bracket 7, an air outlet 9 arranged on the volute 8, an air inlet pipeline connecting seat 12, an air inlet pipeline 1 arranged on the air inlet pipeline connecting seat 12, a bearing fixing block 11 arranged on the outer wall of one side of the volute 8, a linkage rotating rod 6 with one end penetrating through the bearing fixing block 11 and positioned in the volute 8, and an impeller 10 arranged at one end of the linkage rotating rod 6 and positioned in the volute 8, wherein the other end of the linkage rotating rod 6 is connected with the coupling 3.
Further preferably, the air inlet pipe connecting seat 12 is provided with a conical hollow structure.
According to the switched reluctance outer rotor fan with the structure, the coupler 3 comprises a group of coupler outer cylinders 3-2, a plurality of bolt holes 3-4 which are respectively arranged in the group of coupler outer cylinders 3-2, a plurality of bolts 3-1 which fixedly connect the group of coupler outer cylinders 3-2 through the bolt holes 3-4, and shaft holes 3-5 which are respectively arranged in the group of coupler outer cylinders 3-2 and are matched with the linkage rotating rod 6 and the outer rotor motor 4 for use.
The switched reluctance outer rotor fan further comprises key grooves 3-3 which are respectively arranged on the inner walls of the outer cylinders 3-2 of the group of couplers and are matched with the linkage rotating rod 6 and the outer rotor motor 4 for use, wherein keys (not marked in figure 1) matched with the key grooves 3-3 for use are respectively arranged on the outer walls of the linkage rotating rod 6 and the outer rotor motor 4.
The switched reluctance outer rotor fan with the structure is an effective way for simplifying a transmission system, is also the most effective method for improving transmission efficiency and simplifying a transmission structure, cancels a speed reducer, directly drives the fan by a motor, improves the transmission efficiency, has low noise, is free from maintenance, saves the work of regularly replacing lubricating oil, reduces environmental pollution and effectively reduces carbon emission.
The switched reluctance external rotor fan of the structure drives the fan to rotate through the coupler, the fan mainly comprises an impeller, an air inlet, a volute and the like, when the impeller rotates, air in a blade channel moves outwards under the centrifugal action, a vacuum degree is generated in the center of the impeller, so that the air is sucked in from the axial direction of the air inlet, and the sucked air enters the blade channel after being bent by 90 degrees at the inlet of the impeller and is discharged from the outlet of the fan under the action of the blades.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (3)
1. Switched reluctance external rotor fan, its characterized in that: comprises a platform (5), an outer rotor motor (4) arranged on the platform (5), a coupling (3) connected with the outer rotor motor (4), a volute mounting rack (7) arranged on the platform (5) and positioned at one side of the outer rotor motor (4), a volute (8) arranged on the volute mounting rack (7), and an air outlet (9) arranged on the volute (8), the device comprises an air inlet pipeline connecting seat (12), an air inlet pipeline (1) arranged on the air inlet pipeline connecting seat (12), a bearing fixing block (11) arranged on the outer wall of one side of a volute (8), a linkage rotating rod (6) with one end penetrating through the bearing fixing block (11) and positioned in the volute (8), and an impeller (10) arranged at one end of the linkage rotating rod (6) and positioned in the volute (8), wherein the other end of the linkage rotating rod (6) is connected with a coupler (3); the coupler (3) comprises a group of coupler outer cylinders (3-2), a plurality of bolt holes (3-4) which are respectively arranged in the group of coupler outer cylinders (3-2), a plurality of bolts (3-1) which are fixedly connected with the group of coupler outer cylinders (3-2) through the bolt holes (3-4), and shaft holes (3-5) which are respectively arranged in the group of coupler outer cylinders (3-2) and are matched with the linkage rotating rod (6) and the outer rotor motor (4) for use.
2. The switched reluctance external rotor fan of claim 1, wherein: the air inlet pipeline connecting seat (12) is of a conical hollow structure.
3. The switched reluctance external rotor fan of claim 1, wherein: the switched reluctance outer rotor fan further comprises key grooves (3-3) which are respectively arranged on the inner walls of the outer cylinders (3-2) of the group of couplers and are matched with the linkage rotating rod (6) and the outer rotor motor (4) for use, wherein keys matched with the key grooves (3-3) for use are respectively arranged on the outer walls of the linkage rotating rod (6) and the outer rotor motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120088521.2U CN214998295U (en) | 2021-01-13 | 2021-01-13 | Switched reluctance outer rotor fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120088521.2U CN214998295U (en) | 2021-01-13 | 2021-01-13 | Switched reluctance outer rotor fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214998295U true CN214998295U (en) | 2021-12-03 |
Family
ID=79139981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120088521.2U Active CN214998295U (en) | 2021-01-13 | 2021-01-13 | Switched reluctance outer rotor fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214998295U (en) |
-
2021
- 2021-01-13 CN CN202120088521.2U patent/CN214998295U/en active Active
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