CN1966996B - Flowing guide device for fan - Google Patents
Flowing guide device for fan Download PDFInfo
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- CN1966996B CN1966996B CN2005100161856A CN200510016185A CN1966996B CN 1966996 B CN1966996 B CN 1966996B CN 2005100161856 A CN2005100161856 A CN 2005100161856A CN 200510016185 A CN200510016185 A CN 200510016185A CN 1966996 B CN1966996 B CN 1966996B
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Abstract
The present invention relates to a flow guide of a fan, which comprises a housing, a centrifugal fan arranged inside the housing, a bulge area which is arranged on the exhaust position of the fan, wherein part of the exhaust air flows to the outside of the housing along the radial direction; the other part of exhaust air flows to a motor of the fan, thus reducing noises, and the bulge area and the housing are formed in an integral part. The flow guide of a fan can reduce the noise caused by the exhaust end of the vane of the turbine fan and improve efficiency of the fan.
Description
Technical field
The present invention relates to a kind of flowing guide device of fan.
Background technique
The device that fan is blown as fluids such as making air is widely used on the various machines.And, can be divided into a variety of according to its air supply mode.Representational fan has following several: make the axial fan of air along the live axle air-supply of fan; After air flows along axle direction, to the centrifugal cutter of center of circle direction discharge.
The present invention is applied in the centrifugal cutter, and centrifugal cutter is meant: after the direction parallel with live axle flowed into air, air was under the effect of blade (blade), to the fan of center of circle direction discharge.Turbofan is representative centrifugal cutter.Turbofan can be arranged in the narrow space, and can produce higher air quantity.Therefore, turbofan is applied in the wall painting type air conditioner more.
And, from the airborne part that the blade of above-mentioned turbofan is discharged, flow to the motor part of vortex flow fan, be used for the cooling of above-mentioned drive motor.The spacing of set width is set between turbofan assembly and the shell to achieve these goals, usually.Though it is feasible that an airborne part of discharging from blade flows to the motor assembly of turbofan, on the whole, will forms a large amount of sinuous flows, thereby make the air flows instability that becomes, and produce excessive noise thus in the exhaust end part of blade.
The huge noise that the exhaust end of above-mentioned blade partly produces will bring inconvenience to the user.
As mentioned above, the air flow condition of the exhaust end part of the size of the noise that partly produces at the exhaust end of blade and blade has relation very closely.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defective that existing technology exists, and provide a kind of flowing guide device of fan, by improving the shape of guiding from the flowing guide device of above-mentioned blade air-supply, thereby can reduce noise, improve air-supply efficient, and discharge the sinuous flow of end portion by reducing blade, thereby can reduce noise, and can improve user's convenience.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of flowing guide device of fan is characterized in that, comprising: shell; Be arranged on the centrifugal cutter of the inside of above-mentioned shell; Ridge is located on the shell at said fans drain position place, and an air part that makes discharge is discharged to the outside of shell along radial direction, and a part flows to the motor of fan, thereby reduces noise.
The flowing guide device of aforesaid fan, wherein ridge and above-mentioned shell are integrally formed.
The flowing guide device of aforesaid fan, wherein in above-mentioned ridge, the part approaching with said fans is formed with boss, makes air flow into fan electromotor smoothly.
The flowing guide device of aforesaid fan wherein in above-mentioned ridge, is formed with the streamline guide portion from said fans part far away, thereby reduces the sinuous flow of the air generation of discharging.
Aforesaid structure of the present invention can reduce the particularly noise that partly produces of the exhaust end of blade of turbofan, and, can also improve the efficient of fan.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic representation of wall painting type indoor set of the present invention.
Fig. 2 is the sectional view of I-I ' part shown in Figure 1.
Fig. 3 is the sectional view of II-II ' part shown in Figure 1.
Fig. 4 is the enlarged diagram of " A " shown in Figure 3 part.
The number in the figure explanation:
2: shell 11: turbofan 15: heat exchanger
18: motor 19: boss 20: the streamline guide portion
21: ridge
Embodiment
As shown in Figure 1, wall painting type indoor set 1 of the present invention is by constituting with the bottom: the shell 2 of rectangular shape; Be arranged on the front of above-mentioned shell 2, be used to open or close the front panel 3 of front suction portion; Be arranged on the side discharge portion 5 of the bi-side of above-mentioned shell 2; Be arranged on the following discharge portion 4 of the downside of above-mentioned shell 2.
In addition, also be provided with as the bottom: adjusting is from the venetian blind (louver) 6 of the discharge direction of the air of above-mentioned side discharge portion 5 discharges; The blade (vane) 7 of the discharge direction of the adjusting air that discharge portion 4 is discharged below above-mentioned.
Aforesaid wall painting type indoor set 1 of the present invention, suck air to indoor set inside from open above-mentioned front panel 3, turbofan (with reference to the label 11 of Fig. 2) air-supply of the air that is inhaled into by being arranged at above-mentioned wall painting type indoor set 1 inside, the air of being blown carries out heat exchange at heat exchanger (with reference to the label 15 of Fig. 2), and then the above-mentioned turbofan 11 of blowing.
Above-mentioned front panel 3 is made up of a plurality of plates, can open the mode of each plate and open front suction portion.The mode that the integral body of above-mentioned front panel 3 forwards can also be shifted out, by and above-mentioned shell 2 between open front, gap suction portion.
By the air of above-mentioned heat exchanger 15 and above-mentioned turbofan 11, will under the effect of stream guide 8,9,10, be directed to above-mentioned side discharge portion 5 and following discharge portion 4.
Below, describe the structure and the effect thereof of above-mentioned stream guide in detail.
As shown in Figure 2, use the inside of wall painting type indoor set 1 of the present invention, be provided with heat exchanger 15 and turbofan 11.Air by above-mentioned turbofan 11 is discharged will be directed to above-mentioned side discharge portion 5 and following discharge portion 4 under the effect of stream guide 8,9,10, and will discharge by above-mentioned side discharge portion 5 and following discharge portion 4.
And above-mentioned turbofan 11 is provided with as the bottom: a plurality of blades (blade) 13 of wind pushing air; Support axle sleeve (hub) 12 and the cover cap (shroud is with reference to the label 17 of Fig. 3) of above-mentioned blade 13.
According to the structure of above-mentioned turbofan 11, by the front of above-mentioned wall painting type indoor set 1, probably from the central position of above-mentioned axle sleeve 12 to the lower side of bottom surface to sucking air.Above-mentioned inhaled air will be discharged after centrifugal direction (centrifugal direction) changes direction.And an airborne part of Pai Chuing will flow into the bottom surface of above-mentioned turbofan 11 once more, and is used for cooling motor as mentioned above.Remaining most of air will be directed into the side and the bottom surface of above-mentioned indoor set under the effect of above-mentioned stream guide 8,9,10, discharge by the side and the bottom surface of indoor set then.
In the present invention, the air of discharging from above-mentioned blade 13 is divided into: the bottom surface air that flow into above-mentioned turbofan 11 once more; Under the effect of above-mentioned stream guide 8,9,10, be directed into the side and the bottom surface of above-mentioned indoor set, pass through the side and the bottom surface exhausting air of indoor set then.And in the present invention, above-mentioned two kinds of air can not produce sinuous flow, and distribute very suitably, and as feature.
As mentioned above, the air of discharging from above-mentioned blade 13 flows with low noise under the less state of sinuous flow, therefore will seldom make the user not feel well.
Below, describe the structure and the effect thereof of the flowing guide device of fan of the present invention in detail.
As shown in Figure 3, wall painting type indoor set 1 of the present invention is by constituting with the bottom: the shell 2 that forms the indoor set outward appearance; Be arranged on the inside of above-mentioned shell 2, and carry out the heat exchanger 15 of heat exchange; Be arranged on the turbofan 11 at the rear of above-mentioned heat exchanger 15; The motor 18 of rotating force is provided for above-mentioned turbofan 15.
As mentioned above, above-mentioned turbofan 11 by cover cap 17, axle sleeve 12, and blade 13 form.
In order to guide flowing of the air of discharging from the exhaust end of above-mentioned blade 13, on the exhaust end position of above-mentioned blade 13, be formed with ridge 21, above-mentioned ridge protrudes certain altitudes from above-mentioned shell 2 and forms.The effect of above-mentioned ridge 21 is: will be divided into air that flow into above-mentioned motor 18 once more and the air of discharging from the exhaust end of turbofan 11 from the air that the exhaust end of above-mentioned blade 13 is discharged.
Fig. 4 is the enlarged view of " A " shown in Figure 3 part.From Fig. 4, can understand the structure of above-mentioned ridge 21.
As shown in Figure 4, above-mentioned ridge 21 protrudes certain altitude formation from the inboard of above-mentioned shell 2.The effect of the inboard of above-mentioned ridge 21 is: guiding is to above-mentioned motor 18 flow air, and its inboard is formed with boss 19.The effect in the outside of above-mentioned ridge 21 is: the air that guiding is discharged from turbofan 11 air is flowed along streamline, and its outside is formed with streamline guide portion 20.
The effect of above-mentioned boss 19 is: will be directed to above-mentioned motor 18 once more from the air that above-mentioned blade 13 is discharged.After the air of discharging from above-mentioned blade 13 is run into boss 19, under the effect of boss 19, change its flow direction, thereby flow to above-mentioned motor 18.In order to make above-mentioned boss 19 fully play effect, the inside end of the outer ends of above-mentioned blade 13 and the above-mentioned boss 19 set spacing of being separated by.
Produce sinuous flow for fear of the air of discharging from above-mentioned blade 13 when discharging, the height of protuberance reduces gradually.That is, the height of above-mentioned protuberance diminishes gradually, thereby the streamline that can guarantee air can be not destroyed.Owing to be formed with aforesaid streamline guide portion 20, therefore, the air that flow into above-mentioned motor 18 once more can not produce sinuous flow with the air of discharging from turbofan 11.So, can not produce the resistance of air that causes by sinuous flow, can not produce noise simultaneously yet.
And, form set gap between above-mentioned boss 19 and the above-mentioned streamline guide portion 20, thereby differentiation that can be clear and definite flow into the air of above-mentioned motor 18 once more under the effect of boss 19, and the air of under the effect of streamline guide portion 20, discharging, and can not produce sinuous flow from turbofan 11.Arrow among Fig. 4 is the flow direction of expression from the air of blade 13 discharges.
In the present embodiment, above-mentioned ridge 21 and above-mentioned shell 2 are integrally formed, and protrude to the inner space of above-mentioned shell in the inboard of above-mentioned shell 2.But above-mentioned ridge 21 also can be 2 parts that separate with above-mentioned shell 2, is arranged on then on the inboard of the exhaust end of above-mentioned turbofan 11 or above-mentioned shell 2.Special needs to be pointed out is, above-mentioned ridge 21 and the set at interval distance of the exhaust end of above-mentioned blade 13, thereby form the air passageways that the air that above-mentioned blade 13 is discharged flow into above-mentioned motor 18 once more, and, discharge smoothly along streamline guide portion 20 in order to make from the air of above-mentioned turbofan 11 discharges, above-mentioned streamline guide portion 20 forms with set shape.
The flowing guide device of fan of the present invention has following advantage:
The air of discharging from turbofan separates according to flow direction respectively, thereby can reduce noise, improves the air-supply efficient of fan simultaneously.
And, when the flowing guide device of said fans is arranged at indoor set,, therefore can improve user's convenience in use because noise is very low.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. the flowing guide device of a fan is characterized in that, comprising:
Shell;
Be arranged on the centrifugal cutter of the inside of above-mentioned shell;
Ridge is located on the shell at said fans drain position place, and an air part that makes discharge is discharged to the outside of shell along radial direction, and a part flows to the motor of fan, thereby reduces noise.
2. the flowing guide device of fan according to claim 1 is characterized in that:
Above-mentioned ridge and above-mentioned shell are integrally formed.
3. the flowing guide device of fan according to claim 1 is characterized in that:
In above-mentioned ridge, the part approaching with said fans is formed with boss, makes air flow into fan electromotor smoothly.
4. the flowing guide device of fan according to claim 1 is characterized in that:
In above-mentioned ridge, be formed with the streamline guide portion from said fans part far away, thereby reduce the sinuous flow of the air generation of discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100161856A CN1966996B (en) | 2005-11-18 | 2005-11-18 | Flowing guide device for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100161856A CN1966996B (en) | 2005-11-18 | 2005-11-18 | Flowing guide device for fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1966996A CN1966996A (en) | 2007-05-23 |
| CN1966996B true CN1966996B (en) | 2011-09-07 |
Family
ID=38075915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100161856A Expired - Fee Related CN1966996B (en) | 2005-11-18 | 2005-11-18 | Flowing guide device for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1966996B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593900B (en) * | 2016-12-06 | 2019-01-25 | 卢璐娇 | The axial flow blower of synchronous heat dissipation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388581A (en) * | 2001-05-25 | 2003-01-01 | 宏碁股份有限公司 | Fan unit with guide design |
-
2005
- 2005-11-18 CN CN2005100161856A patent/CN1966996B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388581A (en) * | 2001-05-25 | 2003-01-01 | 宏碁股份有限公司 | Fan unit with guide design |
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| Publication number | Publication date |
|---|---|
| CN1966996A (en) | 2007-05-23 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20191118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |