CN201439773U - Fan stand and air condition unit - Google Patents
Fan stand and air condition unit Download PDFInfo
- Publication number
- CN201439773U CN201439773U CN200920169792XU CN200920169792U CN201439773U CN 201439773 U CN201439773 U CN 201439773U CN 200920169792X U CN200920169792X U CN 200920169792XU CN 200920169792 U CN200920169792 U CN 200920169792U CN 201439773 U CN201439773 U CN 201439773U
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- CN
- China
- Prior art keywords
- flange
- hole
- fan
- blower fan
- fan supporter
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- Expired - Lifetime
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Abstract
The utility model provides a fan stand, which comprises a main body, a fixed top plate and a fixed base plate, wherein the main body is provided with three square holes, a fan hole is arranged between the adjacent square holes, the periphery of the fan hole is provided with bolt holes, and the periphery of the square hole and the periphery of the fan hole are respectively provided with a flanging structure; the fixed top plate is provided with a flanging structure which is connected with one end of the main body; and the fixed base plate is provided with a flanging structure which is connected with the other end of the main body. With the fan stand with the flanging structure, the problems that the parts are more, the cost is high and the installation is trouble caused by the independent installation of two fans can be overcome, thereby, the effect of convenient installation and lower cost is achieved.
Description
Technical field
The utility model relates to a kind of fan supporter and air conditioner.
Background technique
Usually outside air conditioner on the machine, two axial-flow blowers of parallel running are owing to reasons such as blower fan system manufacturing, installation, running heating distortion and air intake interference, make blower fan system inevitably have amount of unbalance, can form small speed discrepancy, two close blower fans of rotating speed change frequency vibration signal superposition on support, the vibration of formation beat frequency, and cause the strong low-frequency noise of fan blade vibration generation, ocsillator strenght is big.Traditional solution parallel running axial fan system is clapped the method for shaking, and is that two blower fans are installed separately.
The inventor finds that there are the following problems at least in the prior art: because two blower fans are installed separately, cause member more, cost is higher, installs more loaded down with trivial details.
The model utility content
The utility model aims to provide a kind of fan supporter and air conditioner, can solve because two blower fans are installed separately, and causes member more, and cost is higher, and problems such as more loaded down with trivial details are installed.
The flanging that the flange of support steel plate both sides formation at present and upper plate form, form the breach of disconnection because of sheet metal process, two side flanging thin-walled beams form typical simply-supported state, two ends amount of deflection and corner are big, middle displacement is big, in the blower fan working procedure, bear vibration by the displacement of support integral body and the distortion of base plate and joint, two ends, the effect of flange thin-walled beam is little.The flanging that the utility model forms by flange and upper plate with the formation of support steel plate both sides, link together by modes such as spot welding, flangings, make it to change into the fixed support state; thin-walled beam two ends amount of deflection and corner are zero; two side flanging thin-walled beams are become mainly bear the structure that blower fan is clapped the power of shaking, and greatly reduce the vibration displacement of fan supporter.
In embodiment of the present utility model, a kind of fan supporter is provided, comprising: body, have three rectangular openings on it, and be provided with the blower fan hole between adjacent two rectangular openings, have screw hole in the blower fan hole on every side, wherein, all has turnup structure around rectangular opening and the blower fan hole; Fixedly top board has turnup structure, and it is connected with an end of body; Fixing bottom-plate has turnup structure, and it is connected with another end of body.
Preferably, the body both sides have the thin walled beam structure of flange.
Preferably, the flange thin walled beam structure that forms of body both sides and the flanging lap-joint of fixedly top board and the fixing bottom-plate formation acuter angles that all becomes to overlap each other.
Preferably, the flange thin walled beam structure that the body both sides form links together by spot welding with the flange of fixedly top board and fixing bottom-plate formation, or links together by direct flanging.
Preferably, the flange around the intermediate rectangular hole is higher than other two rectangular openings flange on every side.
Preferably, the flange that has the screw hole place between rectangular opening and the blower fan hole is higher than the flange of other positions of rectangular opening.
Preferably, screw hole is three, and screw hole is equilateral triangle and is arranged in around the blower fan hole, and one in three screw holes is positioned on the body vertical center line, and all the other two screw holes are about body center line symmetry; And six mounting screw holes are about the cross central line symmetry of body.
Preferably, have flange or boss around the blower fan hole, flange or boss disconnect at the screw hole place becomes plurality of sections.
Preferably, have the strip that is lower than body plane between the thin walled beam structure of three rectangular openings and body two side flangings and strengthen floating screed.
The utility model also provides a kind of air conditioner, adopts above-mentioned fan supporter.
Because adopt according to fan supporter of the present utility model, it has turnup structure, so overcome because two blower fans are installed separately, causes member more, and cost is higher, and more loaded down with trivial details problem is installed, and then has reached and be convenient to installation and lower-cost effect.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structure according to fan supporter of the present utility model;
Fig. 2 has schematically shown the local structure for amplifying according to fan supporter of the present utility model;
Fig. 3 has schematically shown the assembly structure according to fan supporter of the present utility model.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 has schematically shown the structure according to fan supporter of the present utility model.In conjunction with referring to Fig. 2 and Fig. 3, as shown in the figure, in embodiment of the present utility model, a kind of fan supporter is provided, has comprised: body 1 has three rectangular openings 11 on it, 12,13, and adjacent two rectangular openings 11, be provided with blower fan hole 3 between 12,13,3 have screw hole 4 on every side in the blower fan hole, wherein, rectangular opening 11,12,13 with all have turnup structure around the blower fan hole 3; Fixedly top board 5, have turnup structure, and it is connected with an end of body 1, and fixedly top board 5 has screw and fixes by screw and air-conditioning outer machine front panel; Fixing bottom-plate 6 has turnup structure, and it is connected with another end of body 1, and fixing bottom-plate has screw, fixes by screw and air-conditioning outer machine chassis.
Two oscillating signals superposition on support that two blower fans form because of small speed discrepancy, two vibration superpositions that frequency is approaching, amplitude does not wait just can form bat.
According to the bat theory of shaking, establish two vibrations that frequency is approaching, amplitude does not wait and be:
y
1＝A
1?sin(w
1t)
y
2＝A
2?sin(w
2t) (1)
Close vibration
y＝y
1+y
2＝A
1sin(w
1t)+A
2sin(w
2t)
In the formula: A---closes vibration amplitude
The processing that conventional method is shaken to bat is two vibration sources to be isolated enough far away or carried out elasticity connect, existing support Design is because the unclear mechanism of shaking of clapping, observe (1), (2) and (3) formula, clapping as can be known shakes is to be formed by two branch vibration superpositions, clap the vibration amplitude peak-to-peak value and in fact depend on two branch vibration amplitudes, after two branch vibration amplitudes were reduced, synthetic bat was shaken and also will be reduced to amplitude; As on minute basis of vibration reduction, the amplitude that will synthesize the bat vibration again reduces, and then claps to shake just can be reduced to enough low degree.
Can calculate by following formula according to the suffered total power of experiment test gained support:
F=a (mount vibration acceleration peak-to-peak value) (m1 (blower fan system quality)+m2 (blower fan promotes air acting counter-force)) calculates its approximate cross sectional moment of inertia by the thin-walled beam cross section, by two fixed ends beam stress situation support is carried out strength check.
As shown in Figure 3, preferably, body 1 both sides have the thin walled beam structure 20 of flange.Like this, greatly reduce the vibration displacement of fan supporter.
As shown in Figure 3, preferably, the acuter angles that the flange thin walled beam structure 20 that body 1 both sides form and the flanging lap-joint of fixedly top board 5 and fixing bottom-plate 6 formation all become to overlap each other.Like this, greatly reduced the vibration displacement of fan supporter.
As shown in the figure, preferably, the flange thin walled beam structure 20 that body 1 both sides form links together by spot welding with the flange of fixedly top board 5 and fixing bottom-plate 6 formation, or links together by direct flanging.Such fixed support state, thin-walled beam two ends amount of deflection and corner are zero, two side flanging thin-walled beams are become mainly bear the structure that blower fan is clapped the power of shaking, and greatly reduce the vibration displacement of fan supporter.Body both sides load thin-walled beam height is 35mm, and by connecting acute angle (or flanging) and last fixedly top board flange acute angle by spot welding, or directly flanging links together, and thin-walled beam is fixed, the formation fixed support.
As shown in the figure, preferably, the flange around the intermediate rectangular hole 12 is higher than the flange around other two rectangular openings 11,13.Strengthened the middle intermediate portion of support like this, further reduced support integral body and born the deformation displacement of clapping the power generation of shaking.The side flanging height is 20～30mm in the intermediate rectangular hole 12, is turned down out by the body punching, so that body is strengthened.
As shown in the figure, preferably, rectangular opening 11,12,13 and blower fan hole 3 between have screw hole 4 places flange be higher than rectangular opening 11,12, the flange of 13 other positions.Like this, increased the soil rigidity of screw hole, reduced motor because the power frequency vibration that the basic rigidity deficiency causes.
As shown in the figure, preferably, screw hole 4 is three, and screw hole 4 is equilateral triangle and is arranged in around the blower fan hole 3, and one in three screw holes 4 is positioned on body 1 vertical center line, and all the other two screw holes 4 are about body 1 center line symmetry; And six mounting screw holes 4 are about the cross central line symmetry of body 1.Like this, increased the soil rigidity of screw hole, reduced motor because the power frequency vibration that the basic rigidity deficiency causes and reduced blower fan and clap the amplitude that vibration source divides vibration.This mounting type has guaranteed that the center of blower fan system active force overlaps with carriage center, has reduced the off-centre that produces in the blower fan system operation process to greatest extent and the unbalanced force that causes.
As shown in the figure, preferably, have flange or boss around the blower fan hole 3, flange or boss are broken into plurality of sections at screw hole 4 places.Flange can be circular-arc, and it highly is 10～20mm, disconnects to make things convenient for the riveted joint of blower fan set screw and fan supporter near motor mounting screw hole 4.
As shown in the figure, preferably, have the strip that is lower than body plane between the thin walled beam structure 20 of three rectangular openings 11,12,13 and 1 liang of side flanging of body and strengthen floating screed 15.Strengthening floating screed 15 degree of depth is 3mm, is six sections discontinuous layouts (also can continuously) in the both sides of three rectangular openings 11,12,13.
A kind of air conditioner outdoor unit comprises air conditioner casing, heat exchanger, motor, fan blade, also comprises adopting described fan supporter; The two ends of described support are connected with lower casing on the air conditioner respectively.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Because adopt according to fan supporter of the present utility model, it has turnup structure, so overcome because two blower fans are installed separately, causes member more, and cost is higher, and more loaded down with trivial details problem is installed, and then has reached and be convenient to installation and lower-cost effect.Use the utility model design support, has good using effect below the axial fan system rotating speed 1000r/pmin, the vibration acceleration value is reduced to 5m/s2 than former support from the highest 12m/s2, and noise reduces by 0.5～3dB (A), can be under the high temperature and low temperature environment of operation of air conditioner, do not produce low frequency drone the noise that makes us irritated, fan motor stable working, axle center do not have obviously and rock, and windage is little, contrast has the support of strengthening angle steel, experimental results show that and can improve air conditioner refrigerating capacity about 1%.Adopt above-mentioned fan supporter, the blower fan system running is steady, and people's ear be can't hear blower fan substantially owing to clapping drone the low-frequency noise of shaking and sending; Complete machine oscillation significantly reduces, parts such as outer pusher side plate, pipeline and four-way valve lose obvious vibration, improved the tonequality of the serial air conditioner outdoor machine that two axial-flow blowers install by same support thus, satisfy the noise requirements in the air conditioner temperature range of operation, the original on year-on-year basis support that uses, outdoor unit blower fan system noise reduces by 0.5～3dB (A).The utility model support can pass through the direct impact briquetting of mould, than before use spot welding, assembly screw mounting type has reduced material, man-hour, has good technical, economic benefit.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a fan supporter is characterized in that, comprising:
Body (1), have three rectangular openings (11,12,13) on it, and adjacent two rectangular openings (11,12,13) be provided with blower fan hole (3) between, have screw hole (4) on every side in described blower fan hole (3), wherein, described rectangular opening (11,12,13) all has turnup structure on every side with described blower fan hole (3);
Fixedly top board (5) has turnup structure, and it welds mutually with an end of described body (1) or connects by the flanging mode;
Fixing bottom-plate (6) has turnup structure, and its another end with described body (1) is welded mutually or connected by the flanging mode.
2. fan supporter according to claim 1 is characterized in that, described body (1) both sides have the thin walled beam structure (20) of flange.
3. fan supporter according to claim 1 is characterized in that, the acuter angles that the flange thin walled beam structure (20) that described body (1) both sides form and the flange lap-joint of described fixedly top board (5) and described fixing bottom-plate (6) formation all become to overlap each other.
4. fan supporter according to claim 1, it is characterized in that, the flange thin walled beam structure (20) that described body (1) both sides form links together by spot welding with the flange that described fixedly top board (5) and described fixing bottom-plate (6) form, or links together by direct flanging.
5. fan supporter according to claim 1 is characterized in that, intermediate rectangular hole (12) flange on every side is higher than other two rectangular openings (11,13) flange on every side.
6. fan supporter according to claim 1 is characterized in that, has the flange that flange that screw hole (4) locates is higher than other positions of described rectangular opening (11,12,13) between described rectangular opening (11,12,13) and the described blower fan hole (3).
7. fan supporter according to claim 1, it is characterized in that, described blower fan hole (3) is provided with three screw holes (4), and described screw hole (4) is equilateral triangle and is arranged in described blower fan hole (3) on every side, in described three screw holes (4) one of them is positioned on described body (1) vertical center line, and all the other two screw holes (4) are about body (1) center line symmetry; And the cross central line symmetry of six screw holes (4) of setting about body (1) gone up in described two blower fan holes (3).
8. fan supporter according to claim 1 is characterized in that, described blower fan hole (3) has flange or boss on every side, and described flange or boss locate to be broken into plurality of sections at described screw hole (4).
9. fan supporter according to claim 1 is characterized in that, has the strip that is lower than described body plane between the thin walled beam structure (20) of described three rectangular openings (11,12,13) and described body (1) two side flanging and strengthens floating screed (15).
10. an air conditioner outdoor unit comprises air conditioner casing, heat exchanger, motor, fan blade, it is characterized in that, also comprises adopting the described fan supporter of claim 1-9; The two ends of described support are connected with lower casing on the air conditioner respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920169792XU CN201439773U (en) | 2009-09-01 | 2009-09-01 | Fan stand and air condition unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920169792XU CN201439773U (en) | 2009-09-01 | 2009-09-01 | Fan stand and air condition unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439773U true CN201439773U (en) | 2010-04-21 |
Family
ID=42544443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920169792XU Expired - Lifetime CN201439773U (en) | 2009-09-01 | 2009-09-01 | Fan stand and air condition unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270422A (en) * | 2017-06-21 | 2017-10-20 | 北京小米移动软件有限公司 | Fan supporter and outdoor unit |
-
2009
- 2009-09-01 CN CN200920169792XU patent/CN201439773U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270422A (en) * | 2017-06-21 | 2017-10-20 | 北京小米移动软件有限公司 | Fan supporter and outdoor unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GREE ELECTRIC APPLIANCES (SHIJIAZHUANG) Co.,Ltd. Assignor: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Contract record no.: 2012440000516 Denomination of utility model: Fan stand and air condition unit Granted publication date: 20100421 License type: Exclusive License Record date: 20120831 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |