CN211202334U - High static pressure compact dehumidification is external rotor centrifugal fan for ventilator - Google Patents
High static pressure compact dehumidification is external rotor centrifugal fan for ventilator Download PDFInfo
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- CN211202334U CN211202334U CN201921712948.4U CN201921712948U CN211202334U CN 211202334 U CN211202334 U CN 211202334U CN 201921712948 U CN201921712948 U CN 201921712948U CN 211202334 U CN211202334 U CN 211202334U
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- side plate
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- rotor
- external rotor
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Abstract
The utility model relates to an external rotor fan technical field discloses a high static pressure compact dehumidification external rotor centrifugal fan for ventilator. The centrifugal wind wheel is fixedly arranged on the rotor flange, and is positioned between an installation area formed by the rotor flange and the protective mesh enclosure. The utility model discloses with the reverse installation of centrifugal wind wheel to install external rotor electric machine in the middle of fan installing support divides the wheel with the centrifugation, practiced thrift the space, fixed external rotor electric machine and the logical fan casing of dehumidification through the fan installing support, realized high static pressure, the high efficiency, the low noise, functions such as compact structure.
Description
Technical Field
The utility model relates to a fan technical field has especially related to a high static pressure compact dehumidification external rotor centrifugal fan for ventilator.
Background
At present, most of dehumidifying ventilators are inner rotor fans, centrifugal wind wheels are installed through output shafts of motors, the whole machine is long in cantilever, and the fans occupy most of the volume of the whole machine and are inconvenient for operators to use. And few dehumidification ventilators using an outer rotor motor have the advantages that the air inlet of the centrifugal wind wheel deviates from the mounting bracket, the inner cavity of the centrifugal wind wheel is idle, and the fan mounting bracket and other factors are added, so that the volume of the whole fan is still large, the space utilization rate of the inner cavity for mounting the fan is low, and the problem of large size of the dehumidification ventilator cannot be fundamentally solved. In addition, the traditional dehumidifying ventilator has a large cavity, fluid in the operation process of the fan easily forms vortex in the inner space, and the vortex can reduce the overall efficiency of the fan and increase the noise of the dehumidifying ventilator.
Chinese patent CN201621330826.5 discloses a frameless external rotor centrifugal fan, which solves the problem of low overall efficiency in the above technical problems, but the utility model does not effectively solve the problem of low overall space utilization.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to space utilization is low, complete machine efficiency, the shortcoming that the noise is big provides a high static pressure compact dehumidification external rotor centrifugal fan for ventilator.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the outer rotor centrifugal fan comprises an outer rotor motor, a rotor flange, a centrifugal wind wheel, a fan mounting support and a protective mesh enclosure, wherein the rotor flange is fixed on the outer surface of the outer rotor motor, the outer rotor motor drives the rotor flange to rotate synchronously, the outer rotor motor is fixed on one side of an air inlet of the fan mounting support, the centrifugal wind wheel is fixedly mounted on the rotor flange, the flow guide parts of the outer rotor motor and the fan mounting support are located in an inner cavity of the centrifugal wind wheel, and the centrifugal wind wheel is located in a mounting area formed by the rotor flange and the protective mesh enclosure, so that the maximum utilization rate of all spaces of the whole machine is ensured.
Preferably, the rotor flange comprises a shaft sleeve and a fixed disc, the shaft sleeve is in interference fit with a rotor of the outer rotor motor, the centrifugal wind wheel is fixed on the fixed disc, and the outer rotor motor drives the centrifugal wind wheel to rotate synchronously through the rotor flange.
Preferably, the fixed disk of the rotor flange is fixed with the centrifugal wind wheel through bolts, so that the centrifugal wind wheel can stably rotate.
Preferably, the fan mounting bracket comprises a base for fixing the outer rotor motor and a first flow guide side plate and a second flow guide side plate for mounting the protection screen, the outer rotor motor is mounted on the base, and the protection screen is mounted on the first flow guide side plate and the second flow guide side plate, so that the safety of users is ensured, and the centrifugal wind wheel blades are prevented from sucking sundries in the working process.
Preferably, a concave groove is formed in one end, close to the rotor flange, of the first flow guide side plate, the depth of the groove is half of the height of the first flow guide side plate, a concave groove is formed in one end, far away from the rotor flange, of the second flow guide side plate, the depth of the groove is half of the height of the second flow guide side plate, the center line of the concave groove in the first flow guide side plate coincides with the center line of the first flow guide side plate, and the center line of the concave groove in the second flow guide side plate coincides with the center line of the second flow guide side plate.
Preferably, the first flow guide side plate and the second flow guide side plate are connected together in a clamping mode through the concave groove and are fixed through welding, and the overall strength after welding is guaranteed.
Preferably, the first flow guide side plate and the second flow guide side plate are both provided with fixing lugs, and the protective net cover is fixed on the fixing lugs through bolts.
Preferably, the base is fixed at one end of the first flow guide side plate and one end of the second flow guide side plate close to the rotor flange, and the protection net cover is fixed at one end of the first flow guide side plate and one end of the second flow guide side plate far away from the rotor flange.
Preferably, hollow structures are arranged in the middle of the first flow guide side plate, the second flow guide side plate and the base, the end cover of the outer rotor motor is located in the hollow structure of the base, the mounting height of the base does not exceed the end cover of the outer rotor motor, the space of the air inlet of the fan is guaranteed to the maximum extent, and the wind shielding effect is reduced.
Preferably, a concave groove is formed in the end face, far away from the rotor flange, of the base, the first flow guide side plate and the second flow guide side plate are fixedly connected in the concave groove in an inserting mode, the first flow guide side plate and the second flow guide side plate are fixedly welded with the base respectively, and welding strength of the base plate is guaranteed.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the utility model discloses an external rotor electric machine and fan installing support make full use of the inner space of centrifugal wind wheel, compact structure has reduced the holistic volume of fan. The outer rotor motor is arranged on the fan mounting bracket and is positioned in the inner cavity of the centrifugal wind wheel, so that the air flow speed is high when the fan is used, the heat dissipation of the fan is facilitated, and the service life of the fan is prolonged. The flow guide side plate is flat and parallel to the air inlet, has a flow guide effect, and can improve a flow passage and improve efficiency.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of the fan mounting bracket of fig. 1.
Fig. 3 is a schematic structural view of the protective mesh enclosure in fig. 1 in fig. 3.
The names of the parts indicated by the numerical references in the drawings are as follows: the wind power generator comprises an outer rotor motor 1, a rotor flange 2, a centrifugal wind wheel 3, a motor lead-out wire 4, a binding belt 5, a fan mounting support 6, a protective mesh enclosure 7, a first flow guide side plate 61, a first flow guide side plate 62, and a base 63.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the external rotor centrifugal fan for the high static pressure compact dehumidification ventilator comprises an external rotor motor 1, a rotor flange 2, a centrifugal wind wheel 3, a fan mounting bracket 6 and a protective mesh enclosure 7, wherein the rotor flange 2 is fixed on the outer surface of the external rotor motor 1, the external rotor motor 1 drives the rotor flange 2 to synchronously rotate, the external rotor motor 1 is fixed on one side of an air inlet of the fan mounting bracket 6, the centrifugal wind wheel 3 is fixedly mounted on the rotor flange 2, and the centrifugal wind wheel 3 is located in a mounting area formed by the rotor flange 2 and the protective mesh enclosure 7, so that the space utilization rate of the whole machine is improved.
The fan mounting bracket 6 of the embodiment includes a base 63 for fixing the external rotor motor 1 and a first flow guide side plate 61 and a second flow guide side plate 62 for mounting the protective mesh enclosure 7, the external rotor motor 1 is mounted on the base 63, and the protective mesh enclosure 7 is mounted on the first flow guide side plate 61 and the second flow guide side plate 62.
Wherein, the one end that is close to rotor flange 2 at first water conservancy diversion curb plate 61 has seted up concave groove, and the degree of depth in groove is half the height of first water conservancy diversion curb plate 61, has seted up concave groove at the one end that second water conservancy diversion curb plate 62 kept away from rotor flange 2, and the degree of depth in groove is half the height of second water conservancy diversion curb plate 62, and the central line of the concave groove on the first water conservancy diversion curb plate 61 coincides with the central line of first water conservancy diversion curb plate 61, and the central line of the concave groove on the second water conservancy diversion curb plate 62 coincides with the central line of second water conservancy diversion curb.
The first flow guide side plate 61 and the second flow guide side plate 62 are clamped together through a concave groove and are fixed through welding, fixing lugs are arranged on the first flow guide side plate 61 and the second flow guide side plate 62, the protective mesh enclosure 7 is fixed on the fixing lugs through bolts, the base 63 is fixed at one end of the first flow guide side plate 62 and the second flow guide side plate 62 close to the rotor flange 2, the protective mesh enclosure 7 is fixed at one end of the first flow guide side plate 61 and the second flow guide side plate 62 away from the rotor flange 2, a hollow structure is arranged between the first flow guide side plate 61, the second flow guide side plate 62 and the base 63, an end cover of the outer rotor motor 1 is positioned in the hollow structure of the base 63, the installation height of the base 63 is flush with the end cover of the outer rotor motor 1, the space of an air inlet of a fan is ensured, the wind shielding effect is reduced, the concave groove is arranged on the end surface of the base 63 away from the rotor flange 2, the first flow guide side plate 61 and the second flow guide side plate 62 are respectively welded and fixed with the base 63, so that the welding strength of the base 63 is ensured.
Example 2
This embodiment is different from embodiment 1 in that: the base 63 is installed at a lower height than the end cover of the external rotor motor 1.
Example 3
This embodiment is different from embodiment 1 in that: only the first deflector skirt 61 is provided with fixing lugs.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a high static pressure compact dehumidification is external rotor centrifugal fan for ventilator which characterized in that: including external rotor electric machine (1), rotor flange (2), centrifugal wind wheel (3), fan installing support (6) and protection screen panel (7), rotor flange (2) are fixed on external rotor electric machine (1) surface, external rotor electric machine (1) drives rotor flange (2) synchronous rotation, external rotor electric machine (1) is fixed in air intake one side of fan installing support (6), centrifugal wind wheel (3) fixed mounting is on rotor flange (2), centrifugal wind wheel (3) and rotor flange (2) coaxial line set up, centrifugal wind wheel (3) are located rotor flange (2) and protection screen panel (7) formation installation region (31).
2. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 1, wherein: rotor flange (2) include axle sleeve (21) and fixed disk (22), and axle sleeve (21) interference fit is on the rotor of outer rotor motor (1), and centrifugal wind wheel (3) are fixed on fixed disk (22), and outer rotor motor (1) drives centrifugal wind wheel (3) synchronous revolution through rotor flange (2), and fixed disk (22) set up the one end at protection screen panel (7).
3. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 2, wherein: the fixed disc (22) and the centrifugal wind wheel (3) are fixed by bolts.
4. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 1, wherein: the fan mounting support (6) comprises a base (63) used for fixing the outer rotor motor (1) and a first flow guide side plate (61) and a second flow guide side plate (62) used for mounting the protective mesh enclosure (7), the outer rotor motor (1) is mounted on the base (63), and the protective mesh enclosure (7) is mounted on the first flow guide side plate (61) and the second flow guide side plate (62).
5. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 4, wherein: the one end that is close to rotor flange (2) at first water conservancy diversion curb plate (61) has seted up concave groove, the degree of depth in groove is half of first water conservancy diversion curb plate (61) height, the one end of keeping away from rotor flange (2) at second water conservancy diversion curb plate (62) has seted up concave groove, the degree of depth in groove is half of second water conservancy diversion curb plate (62) height, the central line in the concave groove on first water conservancy diversion curb plate (61) and the central line coincidence of first water conservancy diversion curb plate (61), the central line in the concave groove on second water conservancy diversion curb plate (62) and the central line coincidence of second water conservancy diversion curb plate (62).
6. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 5, wherein: the first flow guide side plate (61) and the second flow guide side plate (62) are clamped together through the concave grooves and are fixed through welding.
7. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 4, wherein: the first flow guide side plate (61) and the second flow guide side plate (62) are respectively provided with a fixing lug, and the protective mesh enclosure (7) is fixed on the fixing lugs through bolts.
8. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 4, wherein: the base (63) is fixed at one end, close to the rotor flange (2), of the first flow guide side plate (61) and the second flow guide side plate (62), and the protective mesh enclosure (7) is fixed at one end, far away from the rotor flange (2), of the first flow guide side plate (61) and the second flow guide side plate (62).
9. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 4, wherein: hollow structures are arranged in the middle of the first flow guide side plate (61), the second flow guide side plate (62) and the base (63), the end cover of the outer rotor motor (1) is located in the hollow structure of the base (63), and the mounting height of the base (63) does not exceed the end cover of the outer rotor motor (1).
10. The external rotor centrifugal fan for the high static pressure compact dehumidification ventilator according to claim 9, wherein: a concave groove is formed in the end face, far away from the rotor flange (2), of the base (63), the first flow guide side plate (61) and the second flow guide side plate (62) are fixedly connected in the concave groove in an inserting mode, and the first flow guide side plate (61) and the second flow guide side plate (62) are fixedly welded with the base (63) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712948.4U CN211202334U (en) | 2019-10-14 | 2019-10-14 | High static pressure compact dehumidification is external rotor centrifugal fan for ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712948.4U CN211202334U (en) | 2019-10-14 | 2019-10-14 | High static pressure compact dehumidification is external rotor centrifugal fan for ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202334U true CN211202334U (en) | 2020-08-07 |
Family
ID=71862243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921712948.4U Active CN211202334U (en) | 2019-10-14 | 2019-10-14 | High static pressure compact dehumidification is external rotor centrifugal fan for ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202334U (en) |
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2019
- 2019-10-14 CN CN201921712948.4U patent/CN211202334U/en active Active
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