CN212252863U - Fan unit and air conditioner indoor unit - Google Patents
Fan unit and air conditioner indoor unit Download PDFInfo
- Publication number
- CN212252863U CN212252863U CN202020509220.8U CN202020509220U CN212252863U CN 212252863 U CN212252863 U CN 212252863U CN 202020509220 U CN202020509220 U CN 202020509220U CN 212252863 U CN212252863 U CN 212252863U
- Authority
- CN
- China
- Prior art keywords
- guide
- fan
- chassis
- guide part
- centrifugal fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a machine in fan unit and air conditioning, this fan unit includes: a centrifugal fan, a guide part, and a guide; the guide part is fixed on a chassis of the centrifugal fan, and gradually shrinks from the bottom end close to the chassis to the top end far away from the chassis; the guide member includes a first guide member provided on the guide portion and/or a second guide member provided on the chassis. The utility model discloses a fan device, through setting up the guide part on the chassis, the guide part is from its bottom to its top convergent, then the guide part has realized the direction to the air current, is convenient for the air to get into the centrifugal fan; and moreover, the first guide piece is arranged on the guide part and/or the second guide piece is arranged on the chassis, so that the air flow is further guided, the air quantity entering the centrifugal fan is increased, the air inlet quantity of the centrifugal fan is effectively increased, and the air flow of the centrifugal fan is increased.
Description
Technical Field
The utility model relates to a fan technical field, more specifically say, relate to a fan unit and air conditioning indoor unit.
Background
At present, the centrifugal fan absorbs the air quantity by means of fan blades distributed on the circumference, the generated air is easy to cause lower central speed, and the air flow of the centrifugal fan is smaller because the centrifugal fan enters air along the axial direction and exits air along the radial direction in the operation process. Therefore, how to increase the air flow of the centrifugal fan is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a fan device to increase the air flow of a centrifugal fan. Another object of the present invention is to provide an indoor unit of an air conditioner having the above fan device.
In order to achieve the above object, the utility model provides a following technical scheme:
a fan apparatus, comprising: a centrifugal fan, a guide part, and a guide;
the guide part is fixed on a chassis of the centrifugal fan, and the guide part is gradually reduced from the bottom end close to the chassis to the top end far away from the chassis;
the guide member includes a first guide member provided on the guide portion and/or a second guide member provided on the chassis.
Preferably, the guide member comprises the first guide member and the second guide member, and the first guide member and the second guide member are smoothly transitionally connected.
Preferably, if the guide part comprises the first guide part, at least two first guide parts are arranged and are uniformly distributed along the circumferential direction of the guide part;
if the guide part comprises the second guide parts, the number of the second guide parts is at least two, and the second guide parts are uniformly distributed along the circumferential direction of the guide part.
Preferably, the guide member includes the first guide member and the second guide member, and the number of the first guide member and the second guide member is equal.
Preferably, the guide members are arranged along a curve, and any two of the guide members protrude in the same direction.
Preferably, the guide is arranged along a helical line.
Preferably, the guide part is conical, and the guide member is a guide rib.
Preferably, the top end of the guide part far away from the base plate is closed, the bottom end of the guide part close to the base plate is attached to the base plate, and the guide part and the centrifugal fan are coaxial.
Preferably, the guide part is detachably and fixedly connected with the chassis.
Based on the fan unit that the aforesaid provided, the utility model also provides an indoor set of air conditioner, this indoor set of air conditioner includes the fan, the fan is above-mentioned arbitrary fan unit.
The fan device provided by the utility model has the advantages that the guide part is arranged on the chassis, and the guide part is gradually reduced from the bottom end to the top end, so that the guide part realizes the guide of the air flow, and the air can conveniently enter the centrifugal fan; and moreover, the first guide piece is arranged on the guide part and/or the second guide piece is arranged on the chassis, so that the air flow is further guided, the air quantity entering the centrifugal fan is increased, the air inlet quantity of the centrifugal fan is effectively increased, and the air flow of the centrifugal fan is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a perspective view of a fan apparatus according to an embodiment of the present invention;
fig. 2 is a top view of a fan device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the embodiment of the present invention provides a fan apparatus including: a centrifugal fan 1, a guide 2, and a guide 3.
The guide part 2 is fixed on the base plate 11 of the centrifugal fan 1, and the guide part 2 is gradually reduced from the bottom end close to the base plate 11 to the top end far away from the base plate 11. Specifically, one end of the guide part 2 close to the chassis 11 is a bottom end of the guide part 2, one end of the guide part 2 far away from the chassis 11 is a top end of the guide part 2, and the guide part 2 is tapered from the bottom end to the top end thereof.
The above-mentioned guide 3 comprises a first guide 31 provided on the guide 2 and/or a second guide 32 provided on the chassis 11.
The guide part 2 and the guide piece 3 realize the guide of the air flow, so that the air flow can enter the centrifugal fan 1 conveniently.
In the fan apparatus, the position of the first guide 31 near the rear end of the chassis 11 and the position of the first guide 31 near the front end of the chassis 11 are selected according to actual needs. In order to increase the guiding effect, the head end of the first guiding element 31 reaches the top end of the guiding part 2, and the tail end of the first guiding element 31 reaches the bottom end of the guiding part 2 connected with the chassis 11.
The second guide 32 extends to the centrifugal fan blade of the centrifugal fan 1, and a gap is formed between the second guide 32 and the centrifugal fan blade. The specific value of the gap is selected according to actual needs, which is not limited in this embodiment.
In the fan device provided by the embodiment of the utility model, the guide part 2 is arranged on the chassis 11, and the guide part 2 is gradually reduced from the bottom end to the top end, so that the guide part 2 realizes the guidance of the air flow, and the air can conveniently enter the centrifugal fan 1; moreover, the first guide piece 31 is arranged on the guide part 2 and/or the second guide piece 32 is arranged on the chassis 11, so that the air flow is further guided, the air quantity entering the centrifugal fan 1 is increased, the air intake quantity of the centrifugal fan 1 is effectively increased, and the air flow quantity of the centrifugal fan 1 is increased.
Meanwhile, the fan device can increase the suction of the centrifugal fan 1 to the wind power, namely increase the wind flow of the centrifugal fan 1 on the basis of not changing the structure of the centrifugal fan 1 in a large range.
Specifically, the guide 3 includes only the first guide 31, or the guide 3 includes only the second guide 32, or the guide 3 includes both the first guide 31 and the second guide 32. In order to maximize the wind flow, it is preferable that the guide member 3 includes a first guide member 31 and a second guide member 32.
Preferably, the guide 3 includes a first guide 31 and a second guide 32, and the first guide 31 and the second guide 32 are connected in a one-to-one correspondence. Further, the first guide 31 and the second guide 32 connected thereto are smoothly transitionally connected. Thus, the resistance to the airflow is reduced, which contributes to the increase of the wind flow.
In the fan device, the first guide 31 is provided in a manner selected according to actual needs, with respect to the first guide 31. Preferably, if the guide member 3 includes the first guide members 31, the number of the first guide members 31 is at least two, and the first guide members 31 are uniformly distributed along the circumferential direction of the guide portion 2; if the guide member 3 includes the second guide members 32, the number of the second guide members 32 is at least two, and the second guide members 32 are uniformly distributed along the circumferential direction of the guide portion 2. Thus, the airflow can be guided uniformly, the guiding effect is improved, and the noise is correspondingly reduced.
Specifically, if the guide 3 includes the first guide 31 and the second guide 32, the number of the first guide 31 and the second guide 32 may be equal or different. In order to improve the guiding effect, it is preferable to select the number of the first guide members 31 and the second guide members 32 to be equal. In this way, each first guide 31 can be smoothly transitionally connected with its corresponding second guide 32.
Of course, the offset arrangement of the first guide 31 and the second guide 32 can be selected, and is not limited to the above-described embodiment.
The shapes of the first guide 31 and the second guide 32 are selected according to actual needs, and this embodiment is not limited to this. In order to facilitate the guiding, the above-mentioned guides 3 are arranged along a curve, and any two guides 3 protrude in the same direction.
The guide 3 guides and swirls the air flow, wherein swirling the air means that the guide 3 can regularly rotate the air flow around the axis. Which is parallel or collinear with the axis of the centrifugal fan 1.
Above-mentioned fan unit, through the whirl effect of guide 3, further compensatied the weak area of wind-force in the middle of centrifugal fan 1 to the air current volume has further been improved.
Specifically, if the guide 3 includes only the first guide 31, the first guide 31 is disposed along a curve, and any two first guides 31 protrude in the same direction; if the guide 3 includes only the second guide 32, the second guides 32 are arranged along a curve, and any two second guides 32 protrude in the same direction; if the above-mentioned guide member 3 includes the first guide member 31 and the second guide member 32, the first guide member 31 and the second guide member 32 are both provided along a curved line, and any two of the first guide members 31 project in the same direction, any two of the second guide members 32 project in the same direction, and any one of the first guide members 31 and any one of the second guide members 32 project in the same direction.
Preferably, the guide 3 is arranged along a spiral line. Specifically, if the guide 3 includes only the first guide 31, the first guide 31 is disposed along a spiral line; if the guide 3 comprises only the second guide 32, the second guide 32 is arranged along a helical line; if the guide member 3 includes the first guide member 31 and the second guide member 32, and the first guide member 31 and the second guide member 32 are both disposed along a spiral line, in this case, the first guide member 31 and the second guide member 32 smoothly transitionally connected thereto may be further disposed along the same spiral line.
In the fan device, the guide 3 may be optionally provided along other curved lines such as an arc line, and is not limited to the above embodiment.
The guide 3 may be plate-shaped or rib-shaped. For the convenience of production, the guide member 3 is preferably in a rib shape, that is, the guide member 3 is a guide rib. Specifically, the first guide 31 is a first guide rib protruding from the guide portion 2, and the second guide 32 is a second guide rib protruding from the chassis 11.
In order to simplify the structure and facilitate the production, the first guide member 31 and the guide portion 2 are formed as an integral structure, and the second guide member 32 and the chassis 11 are formed as an integral structure. Of course, the first guide 31 and the guide portion 2 may be of a split structure, and the second guide 32 and the chassis 11 may be of a split structure, which is not limited to the above embodiment.
In order to enhance the guiding effect, the guiding portion 2 is preferably tapered. Of course, the guide portion 2 may be in the form of a circular truncated cone, which is not limited in this embodiment.
The guide part 2 needs to guide the airflow, and in order to avoid air leakage, the top end of the guide part 2 far away from the chassis 11 is closed, and the bottom end of the guide part 2 close to the chassis 11 is attached to the chassis 11. Specifically, there is no gap between the bottom end of the guide 2 and the chassis 11.
The guide portion 2 is coaxial with the centrifugal fan 1 in order to maximize the amount of wind flow. Of course, the axis of the guide portion 2 may be parallel to the axis of the centrifugal fan 1, or the axis of the guide portion 2 may be inclined at a small angle relative to the axis of the centrifugal fan 1, and is not limited to the above embodiment.
In the fan device, the guide portion 2 and the chassis 11 may be of an integral structure or a split structure. For the convenience of production, the guide part 2 and the chassis 11 are preferably of a split structure. Further, the guide portion 2 is detachably and fixedly connected to the chassis 11. Thus, the installation and removal of the guide part 2 is facilitated.
It will be appreciated that when the fan assembly is mounted on the output shaft of the motor, the chassis 11 and the guide 2 are both mounted on the output shaft of the motor to ensure stability.
The relative size of the number of guides 3 and the number of centrifugal blades is selected according to the actual need. The greater the number of the guide members 3, the more remarkable the effect of increasing the wind flow rate. However, in view of practical production, it is preferable that the number of the guide members 3 is smaller than the number of the centrifugal fan blades.
If the guide 3 includes only the first guide 31, the number of the guide 3 is the number of the first guide 31; if the guide 3 includes only the second guide 32, the number of the guides 3 is the number of the second guides 32; if the guide 3 includes the first guide 31 and the second guide 32, the number of the guides 3 is the number of the first guide 31 and the second guide 32, which are the larger number, and if the first guide 31 and the second guide 32 are equal, the number of the guides 3 is the number of the first guide 31 or the second guide 32.
Based on the fan device provided in the foregoing embodiment, this embodiment further provides an air-conditioning indoor unit, where the air-conditioning indoor unit includes a fan, and the fan is the fan device described in the foregoing embodiment.
Since the fan device provided by the embodiment has the technical effects, and the air-conditioning indoor unit comprises the fan device, the air-conditioning indoor unit also has corresponding technical effects, and the description is omitted herein.
Of course, the fan device can also be applied to other devices or equipment which need the centrifugal fan 1, and is not limited to the indoor unit of the air conditioner.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A fan apparatus, comprising: a centrifugal fan (1), a guide part (2), and a guide (3);
wherein the guide part (2) is fixed on a chassis (11) of the centrifugal fan (1), and the guide part (2) is gradually reduced from the bottom end close to the chassis (11) to the top end far away from the chassis (11);
the guide (3) comprises a first guide (31) arranged on the guide part (2) and/or a second guide (32) arranged on the chassis (11).
2. The fan apparatus as claimed in claim 1, wherein the guide member (3) includes the first guide member (31) and the second guide member (32), and the first guide member (31) and the second guide member (32) are smoothly transitionally connected.
3. The fan apparatus as claimed in claim 1,
if the guide part (3) comprises the first guide parts (31), the number of the first guide parts (31) is at least two, and the first guide parts are uniformly distributed along the circumferential direction of the guide part (2);
if the guide part (3) comprises the second guide parts (32), the number of the second guide parts (32) is at least two, and the second guide parts are uniformly distributed along the circumferential direction of the guide part (2).
4. A fan unit according to claim 1, characterized in that said guide (3) comprises said first guide (31) and said second guide (32), said first guide (31) and said second guide (32) being equal in number.
5. A fan unit according to claim 1, characterized in that the guides (3) are arranged along a curve, and any two of the guides (3) project in the same direction.
6. A fan unit according to claim 5, characterised in that the guide (3) is arranged along a spiral.
7. A fan unit according to claim 1, characterised in that the guide (2) is conical and the guide (3) is a guide rib.
8. A fan unit according to claim 1, characterised in that the top end of the guide part (2) remote from the chassis (11) is closed, the bottom end of the guide part (2) close to the chassis (11) abuts against the chassis (11), and the guide part (2) is coaxial with the centrifugal fan (1).
9. The fan arrangement according to any of the claims 1-8, characterized in that the guide (2) is detachably fixedly connected with the chassis (11).
10. An indoor unit of an air conditioner, comprising a fan, wherein the fan is the fan unit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509220.8U CN212252863U (en) | 2020-04-09 | 2020-04-09 | Fan unit and air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509220.8U CN212252863U (en) | 2020-04-09 | 2020-04-09 | Fan unit and air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212252863U true CN212252863U (en) | 2020-12-29 |
Family
ID=73983001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020509220.8U Active CN212252863U (en) | 2020-04-09 | 2020-04-09 | Fan unit and air conditioner indoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212252863U (en) |
-
2020
- 2020-04-09 CN CN202020509220.8U patent/CN212252863U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104729041A (en) | Guide ring, air duct structure and air-conditioner indoor cabinet | |
| CN105091280A (en) | Deflecting cover, air inlet system and round cabinet body | |
| CN109639030A (en) | A kind of high-speed motor and the hair dryer including it | |
| CN212252863U (en) | Fan unit and air conditioner indoor unit | |
| CN110671746A (en) | Air duct structure, indoor unit and air conditioner | |
| US20110293415A1 (en) | Drum fan | |
| WO2023198164A1 (en) | Air guide assembly, bladeless fan and air purifier | |
| CN107939727B (en) | Fan subassembly and have its air conditioner | |
| CN108507043B (en) | Air guide ring, air conditioner outdoor unit and air conditioner | |
| CN208238076U (en) | Wind-guiding coil assembly, air-conditioner outdoor unit and air conditioner | |
| CN212959185U (en) | Mounting structure of fan and dust catcher of using thereof | |
| CN115264599A (en) | Guiding device, fan and air conditioner | |
| CN211233088U (en) | Air duct structure, indoor unit and air conditioner | |
| CN210509735U (en) | Air duct component and air conditioner | |
| CN109423972A (en) | Hair dryer | |
| CN204253387U (en) | Blower | |
| CN208487040U (en) | A kind of Intelligent tower fan of Wind Volume | |
| CN202840823U (en) | Ventilation device of open-type variable frequency motor | |
| CN206071946U (en) | Centrifugation blade, air-conditioning device and blower fan system | |
| CN112303020A (en) | Air duct component and air conditioner | |
| CN215719782U (en) | Impeller, fan and dust catcher | |
| CN205536140U (en) | Air duct machine | |
| CN216617951U (en) | Fan and cleaning equipment thereof | |
| CN212959186U (en) | Moving impeller cover body of fan | |
| CN220452293U (en) | Fan and cleaning robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |