CN217380931U - Dry-wet dual-purpose electric fan - Google Patents
Dry-wet dual-purpose electric fan Download PDFInfo
- Publication number
- CN217380931U CN217380931U CN202221210233.0U CN202221210233U CN217380931U CN 217380931 U CN217380931 U CN 217380931U CN 202221210233 U CN202221210233 U CN 202221210233U CN 217380931 U CN217380931 U CN 217380931U
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- side fan
- fan housing
- main case
- end cover
- air
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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Abstract
The utility model discloses a dry and wet dual-purpose electric fan, which comprises a main case for supporting and a rotor arranged at the central position, wherein the front end of the main case is connected with an air inlet side fan housing, the rear end of the main case is connected with an end cover, and the rear end of the end cover is connected with an air outlet side fan housing; the rotor is rotatably connected to the centers of the main case and the end cover, a primary impeller is arranged in a cavity defined by the air inlet side fan cover and the main case, a secondary impeller is arranged in a cavity defined by the end cover and the air outlet side fan cover, and the primary impeller and the secondary impeller are respectively connected to two ends of the rotor; and a stator is arranged in an outer cavity enclosed by the main case and the end cover. The utility model has the advantages of ingenious conception, reasonable layout, adoption of the multistage impellers to generate larger suction force, response to various water-containing environments, good heat dissipation, low temperature rise and high energy efficiency density; furthermore, the radial force symmetry arrangement may reduce wear.
Description
Technical Field
The utility model relates to a fan technical field especially relates to a wet or dry dual-purpose electric fan.
Background
The existing dry and wet electric fan is mostly driven by a motor, the motor comprises a stator part and a rotor part, most of the stator part and the rotor part are not separated, the stator cannot be completely isolated outside fluid, the stator part is not isolated, the stator part is easy to contain water after water-containing gas enters the fan, and the fan is not suitable for an environment with much water, particularly a scene with more than half of water.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wet or dry dual-purpose electric fan solves prior art fan structure, is not suitable for the problem of the scene that contains water much.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a dry and wet dual-purpose electric fan, which comprises a main case for supporting and a rotor arranged at the central position, wherein the front end of the main case is connected with an air inlet side fan housing, the rear end of the main case is connected with an end cover, and the rear end of the end cover is connected with an air outlet side fan housing; the rotor is rotatably connected to the centers of the main case and the end cover, a primary impeller is arranged in a cavity defined by the air inlet side fan housing and the main case, a secondary impeller is arranged in a cavity defined by the end cover and the air outlet side fan housing, and the primary impeller and the secondary impeller are respectively connected to two ends of the rotor; and a stator is arranged in an outer cavity enclosed by the main case and the end cover.
Furthermore, the cavities formed by connecting the air inlet side fan housing, the main case, the end cover and the air outlet side fan housing are communicated with each other to form a flow passage, and air containing water vapor enters from the air inlet on the air inlet side fan housing, flows from front to back along the inner flow passage and flows out from the air outlet on the air outlet side fan housing.
Furthermore, the rotor is connected to the center of the main case and the end cover through a bearing, and the bearing adopts a water bearing.
Further, be connected with static guide vane on the medial surface of air-out side fan housing, static guide vane includes a plurality of arcs and a connecting plate, the connecting plate passes through the arc to be connected on the medial surface of air-out side fan housing, and a plurality of the arc is the circumference equipartition, the connecting plate with the circumference lateral wall clearance fit of air-out side fan housing.
Furthermore, the air inlet side fan housing is kept away from the one end of air inlet is passed through threaded connection and is in on the mainframe shell, air-out side fan housing threaded connection be in on the end cover, air inlet side fan housing the mainframe shell the end cover with be provided with the sealing washer on the connecting end face each other of air-out side fan housing.
Furthermore, the main case and the end cover are bonded together by glue or connected together by adopting a bolt and sealing ring combination mode.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses, stator and rotor cooperation constitute the motor, and during operation, stator circular telegram drives the rotor operation, and the both ends of rotor are connected with two impellers, and the rotatory operation of first order impeller is gone into in the runner that rotor and host computer shell formed from air intake pump gas (moisture), and the second order impeller that reentries, and discharge gas through the air outlet after the static guide vane water conservancy diversion behind the second order impeller; specifically, the stator is hermetically wrapped in the main case and the end cover, so that the stator and the flow channel are effectively and completely separated; the bearing of rotor adopts water bearing for the waterproof grade of this fan accomplishes ip67 above, can use in the environment that contains aqueous gas, and the runner that main case and rotor formed can take away the stator and generate heat and the heat that the rotor produced, thereby reduces the temperature rise.
The utility model has the advantages of ingenious conception, reasonable layout, adoption of the multistage impellers to generate larger suction force, response to various water-containing environments, good heat dissipation, low temperature rise and high energy efficiency density; furthermore, the radial force symmetry arrangement may reduce wear.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a sectional view of the dry/wet dual-purpose electric fan according to the present invention;
FIG. 2 is a schematic view of the dry/wet electric blower of the present invention; (partial perspective)
FIG. 3 is an overall schematic view of the dry/wet electric blower of the present invention;
FIG. 4 is a schematic view of a half-section of an air-out side fan housing of the present invention;
description of reference numerals: 1. an air inlet side fan cover; 2. a first-stage impeller; 3. a rotor; 4. a stator; 5. a main chassis; 6. an end cap; 7. a secondary impeller; 8. an air outlet side fan housing; 9. an air inlet; 10. an air outlet;
801. a stationary guide vane; 801-1, arc-shaped plates; 801-2 and a connecting plate.
Detailed Description
As shown in fig. 1-4, a dry and wet electric fan includes a main case 5 for supporting and a rotor 3 at the center, wherein the front end of the main case 5 is connected with an air inlet side fan housing 1, the rear end of the main case 5 is connected with an end cover 6, and the rear end of the end cover 6 is connected with an air outlet side fan housing 8; the rotor 3 is rotatably connected to the center of the main case 5 and the end cover 6, a primary impeller 2 is arranged in a cavity defined by the air inlet side fan housing 1 and the main case 5, a secondary impeller 7 is arranged in a cavity defined by the end cover 6 and the air outlet side fan housing 8, and the primary impeller 2 and the secondary impeller 7 are respectively connected to two ends of the rotor 3; and a stator 4 is arranged in an outer cavity surrounded by the main case 5 and the end cover 6.
The air inlet side fan housing 1, the main case 5, the end cover 6 and the air outlet side fan housing 8 are connected to form a cavity, the cavity is enclosed by the air inlet side fan housing 1, the main case 5, the end cover 6 and the air outlet side fan housing 8, and the cavity is communicated with each other to form a flow channel, and air containing water vapor enters from an air inlet 9 on the air inlet side fan housing 1, flows from front to back along the inner flow channel and flows out from an air outlet 10 on the air outlet side fan housing 8.
The rotor is connected with the centers of the main case 5 and the end cover 6 through bearings, and the bearings adopt water bearings, so that the waterproof grade of the fan is improved to be over ip67, and the fan can be applied to an environment containing water gas.
As shown in fig. 4, the inner side surface of the air-out side fan housing 8 is connected with a static guide vane 801, the static guide vane includes a plurality of arc-shaped plates 801-1 and a connecting plate 801-2, the connecting plate is connected to the inner side surface of the air-out side fan housing through the arc-shaped plates, the arc-shaped plates are circumferentially and uniformly distributed, and the connecting plate is in clearance fit with the circumferential side wall of the air-out side fan housing and is reserved with a certain clearance to allow air to pass through smoothly. Specifically, the stationary guide vanes are arranged to guide the gas flow from the edge to the center and out through the outlet 10.
Air inlet side fan housing 1 keeps away from threaded connection is passed through to the one end of air intake 9 on the mainframe shell 5, the 8 threaded connection of air-out side fan housing on the end cover 6, air inlet side fan housing 1 the mainframe shell 5 the end cover 6 with be provided with the sealing washer on the connection terminal surface each other of air-out side fan housing 8.
The main case 5 with the end cover 6 bonds together through glue, perhaps adopts the mode of bolt, sealing washer combination to link together to guarantee the leakproofness of stator 4 installation cavity, effectively improved waterproof performance.
The utility model discloses a use as follows:
as shown in fig. 4, the stator and the rotor cooperate to form a motor, when the motor works, the stator is powered on to drive the rotor to rotate, two ends of the rotor 3 are connected with two impellers, wherein a first-stage impeller 2 and a second-stage impeller 7 rotate synchronously to pump gas (containing water) into a flow channel formed by the rotor 3 and the main case 1 from an air inlet 9, then the gas enters a cavity of the second-stage impeller 7, is guided by a stationary guide vane 801 behind the second-stage impeller, and is discharged through an air outlet 10.
Specifically, the stator 4 is hermetically wrapped in a cavity defined by the main machine shell 1 and the end cover 6, so that the stator 4 is effectively and completely separated from the flow channel, and the service life of the stator is prolonged; moreover, the runner formed by the main case 1 and the rotor 3 can take away the heat generated by the stator and the rotor, thereby reducing the temperature rise speed, reducing the temperature during use and prolonging the service life of the motor; finally, the first-stage impeller 2 and the second-stage impeller 7 are symmetrically arranged, so that stress is balanced during working, abrasion can be reduced, and stability during use is improved.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a wet or dry electric fan which characterized in that: the wind power generator comprises a main case for supporting and a rotor at the center, wherein the front end of the main case is connected with an air inlet side fan housing, the rear end of the main case is connected with an end cover, and the rear end of the end cover is connected with an air outlet side fan housing; the rotor is rotatably connected to the centers of the main case and the end cover, a primary impeller is arranged in a cavity defined by the air inlet side fan housing and the main case, a secondary impeller is arranged in a cavity defined by the end cover and the air outlet side fan housing, and the primary impeller and the secondary impeller are respectively connected to two ends of the rotor; and a stator is arranged in an outer cavity enclosed by the main case and the end cover.
2. The wet and dry electric blower according to claim 1, wherein: the air inlet side fan housing, the main case, the end cover and the air outlet side fan housing are connected to form a cavity, the cavity is formed by surrounding the air inlet side fan housing, the main case, the end cover and the air outlet side fan housing, and the cavity is communicated with each other to form a flow channel.
3. The wet and dry electric blower according to claim 1, wherein: the rotor is connected with the center of the main case and the center of the end cover through a bearing, and the bearing adopts a water bearing.
4. The wet and dry electric fan according to claim 1, wherein: be connected with static guide vane on the medial surface of air-out side fan housing, static guide vane includes a plurality of arcs and a connecting plate, the connecting plate passes through the arc to be connected on the medial surface of air-out side fan housing, and a plurality of the arc is the circumference equipartition, the connecting plate with the circumference lateral wall clearance fit of air-out side fan housing.
5. The wet and dry electric fan according to claim 2, wherein: the air inlet side fan housing is kept away from the one end of air inlet is passed through threaded connection and is in on the mainframe shell, air-out side fan housing threaded connection be in on the end cover, air inlet side fan housing the mainframe shell the end cover with be provided with the sealing washer on the connection terminal surface each other of air-out side fan housing.
6. The wet and dry electric blower according to claim 1, wherein: the main case and the end cover are bonded together through glue or connected together in a mode of combining a bolt and a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210233.0U CN217380931U (en) | 2022-05-18 | 2022-05-18 | Dry-wet dual-purpose electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210233.0U CN217380931U (en) | 2022-05-18 | 2022-05-18 | Dry-wet dual-purpose electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217380931U true CN217380931U (en) | 2022-09-06 |
Family
ID=83088585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221210233.0U Active CN217380931U (en) | 2022-05-18 | 2022-05-18 | Dry-wet dual-purpose electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217380931U (en) |
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2022
- 2022-05-18 CN CN202221210233.0U patent/CN217380931U/en active Active
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