CN108474571A - The outdoor unit and air blower of air conditioner - Google Patents
The outdoor unit and air blower of air conditioner Download PDFInfo
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- CN108474571A CN108474571A CN201680078965.XA CN201680078965A CN108474571A CN 108474571 A CN108474571 A CN 108474571A CN 201680078965 A CN201680078965 A CN 201680078965A CN 108474571 A CN108474571 A CN 108474571A
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- outdoor unit
- air conditioner
- stage portion
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
In the outdoor unit of air conditioner, prevent because rainwater freeze it is equal caused by damage.For this purpose, the horn mouth that the outdoor unit of the air conditioner has propeller fan and is configured at around propeller fan, horn mouth has the stepped widened stage portion (402) of blow-off direction to propeller fan.Each portion of the inner surface of stage portion (402) with respect to the horizontal plane have make the defluent angle of inclination of the water droplet of attachment (angle of θ or more).More specifically, stage portion (402) has the blow-off outlet being open upward, and has multiple annular portions (404) of the substantially annulus plate with angle of inclination (θ) and be engaged in multiple cylindrical portions (406) of these annular portions (404).
Description
Technical field
The present invention relates to the outdoor unit of air conditioner and air blowers.
Background technology
Have loudspeaker in a manner of surrounding the logical circulation road of wind as caused by propeller fan in the outdoor unit of air conditioner
Mouthful.As its an example, describe that " blowout opening portion 5 is in the downstream side of horn mouth 2 at the 0015th section of lower note patent document 1
The part that (blowout side) is open for blow out air.For blowing out opening portion 5, the rotary shaft of propeller fan 1 and blowout
The distance between terminal part of opening portion 5 (radius of opening portion) is also than the distance between the face of rotary shaft and straight sections 4
(radiuses of straight sections 4) are long.Moreover, be formed as, straight sections 4 it is straight from blowout lateral terminal (blowout opening portion 5 sucks lateral terminal)
The internal face that lateral terminal is blown out to blowout opening portion 5 is the inclined-plane with divergence, and cross sectional shape is taper (horn-like).It should
The part of taper is set as rake 5a.Here, the horn mouth 2 of present embodiment has straight sections 4, but it can also utilize and tilt
The portion 5a and R of portion 3a forms internal face.”
Existing technical literature
Patent document
Patent document 1：No. 5611360 bulletins of Japanese Patent No.
Invention content
Problems to be solved by the invention
In above patent document 1, describe that " cross sectional shape is taper (loudspeaker for bell-mouthed blowout opening portion
Shape) ".For this, undocumented Japanese Patent Application 2015-053500, which proposes, at the time of this application opens bell-mouthed blowout
The cross sectional shape of oral area is set as ladder-like.According to this application, if the cross sectional shape of the part is set as ladder-like, can improve
Bell-mouthed intensity, circularity equally accurate, can improve the efficiency of propeller fan, and reduce noise.
But when stage portion is arranged in the downstream side of propeller fan, in the rainy day, rainwater is easy to be stranded in flat
Part.Temperature is blown out especially when carrying out heating operation when temperature is the rainy day near 0 DEG C, when due to heating operation than outer
Low several DEG C or so of boundary's air, if therefore temperature blow out temperature near 0 DEG C as under freezing point.Then, it is stranded in stage portion
Rainwater freezes in advance, if continuing rainfall, ice is further grown up.Then, when the propeller type wind in the ice cube and rotation of growth
When fan contact, propeller fan damage.
When of the invention in view of the above circumstances and make, and it is an object of the present invention to provide can prevent damage air conditioner outdoor
Machine and air blower.
Solution for solving the problem
In order to solve the above problems, the outdoor unit of air conditioner of the invention is characterized in that, have propeller fan and
The horn mouth being configured at around above-mentioned propeller fan, above-mentioned horn mouth have the blowout towards above-mentioned propeller fan
The stepped widened stage portion in direction, each portion of the inner surface of above-mentioned stage portion with respect to the horizontal plane have the water droplet for making attachment
Defluent angle of inclination.
The effect of invention
In accordance with the invention it is possible to prevent the damage of the outdoor unit and air blower of air conditioner.
Description of the drawings
Fig. 1 is the front view of the part excision of the outdoor unit of the first embodiment of the present invention.
Fig. 2 is the longitudinal section view of the outdoor unit.
Fig. 3 is the decomposition plan view of the outdoor unit.
Fig. 4 is the stereogram of the outdoor unit.
Fig. 5 is the sectional view of the stage portion of upper surface cover.
Fig. 6 is the front view of the outdoor unit of second embodiment.
Fig. 7 is the sectional view of the bell-mouthed major part of Fig. 6.
Fig. 8 is the sectional view of the stage portion of the upper surface cover of third embodiment.
Fig. 9 is the sectional view of the stage portion of the upper surface cover of the 4th embodiment.
Figure 10 is the stereogram of the major part of the upper surface cover of the 5th embodiment.
Specific implementation mode
[first embodiment]
＜ overall structures ＞
First, referring to Fig.1~Fig. 4 carries out the structure of the outdoor unit Ou of the air conditioner of the first embodiment of the present invention
Explanation.
Outdoor unit Ou (air blower) is referred to as pushing up streaming, the so-called multi-type being chiefly used in the building of middle and small scale
Air conditioner.Fig. 1 is the front view of the part excision of outdoor unit Ou, and Fig. 2 is its longitudinal section view, and Fig. 3 is its decomposition plan view, figure
4 be its stereogram.
In Fig. 1, outdoor unit Ou has the upper table of the main box 300 for being shaped generally as rectangular-shape and covering main box 300
The upper surface cover 400 of the resin in face.On the top of main box 300, traverses front-rear direction and be equipped with motor support plate in beam-like
102.In addition, being equipped with fan motor 101 in motor support plate 102, resin is combined in the rotary shaft of fan motor 101
Propeller fan 100.The air of the inside of main box 300 is discharged in propeller fan 100 upward.
Upper surface cover 400 has the fan circumference portion 401 configured in a manner of surrounding propeller fan 100 and is formed as
Generally flat top plate portion 403.It is formed with partly radially stepped widened in the blow-off outlet side in fan circumference portion 401
Rank portion 402, also the blow-off outlet in downstream side in order to prevent the intrusion of foreign matter, finger etc. and be equipped with anti-as the fan of metal mesh
Protection unit 105.Fan protector 105 can load and unload to safeguard.By above-mentioned fan circumference portion 401 and stage portion 402
The part being combined becomes " horn mouth ".
Then, in fig. 2, in the lower section of motor support plate 102, from the back side of main box 300 304 up to side 301
Rear portion is equipped with the heat exchanger 200 overlooked as substantially U-shaped.In addition, being assembled on the top of the front surface 302 of main box 300
There is the electric part box 201 for storing various electric components.In addition, in the bottom plate 303 set on the bottom surface of main box 300 equipped with pressure
The freeze cycles components such as contracting machine 103, liquid storage device 104.
Fig. 3 is that outdoor unit Ou is decomposed into the state of main box 300, upper surface cover 400 and fan protector 105
Decomposition plan view.In main box 300, when propeller fan 100 rotates, handed over from side 301, the back side 304 via heat
Parallel operation 200 sucks outside air.When heating operation, outside air is cooled when by heat exchanger 200, towards outdoor unit Ou
Top discharge.In addition, fan protector 105 is that wire is formed as netted to form, at its four positions, by wire
Bending is annular in shape, forms fan protector mounting hole 106b.
In addition, being formed at the position opposed with fan protector mounting hole 106b of the stage portion 402 of upper surface cover 400
There is fan protector fixed lobe 106a (fan protector fixed part).Fan protector fixed lobe 106a and fan
Protective device mounting hole 106b is fixed by screw (not shown) with removably state.
Then, Fig. 4 is the stereogram of the outdoor unit Ou in the state of eliminating fan protector 105.In Fig. 4, fan
Protective device fixed lobe 106a is formed to have the substantially cylindric of the axis of upper and lower directions.
Next, sectional view referring to Figure 5, illustrates the detail shape of stage portion 402.
Stage portion 402 has the multiple annular portions 404 and multiple cylindrical portions 406 of alternately engagement.Annular portion 404 is formed as big
Cause the plate of annulus.In addition, cylindrical portion 406 is shaped generally as cylindrical shape.Cylinder of each annular portion 404 in its inner peripheral portion and lower section
Portion 406 engages, and is engaged in the cylindrical portion of its peripheral part with top 406.Stage portion 402 is made whole with more upward as a result,
The shape for approximately truncated coniform (taper) that radius extends more stepsly.
Here, cylindrical portion 406 is formed along substantially vertical direction, annular portion 404 with respect to the horizontal plane tilt inwardly make it is attached
The angle, θ for the defluent degree of rainwater.This is that rainwater is stranded in annular portion 404 in order to prevent.As described above, when in temperature
When to carry out heating operation when rainy day near 0 DEG C, the blowout temperature of propeller fan 100 becomes below freezing, therefore, rain
Water capacity easy freezing.In the present embodiment, the angle of inclination of annular portion 404 is the angle, θ for making the defluent degree of rainwater, cylinder
The angle of inclination in portion 406 is about 90 °, thus each portion of the inner surface of stage portion 402 traverse it is whole have make the water droplet of attachment to
Dirty angle of inclination (angle of θ or more).Thereby, it is possible to so that rainwater is rapidly fallen downwards along the internal face of stage portion 402
Under, the situation for making propeller fan 100 impaired because of the ice cube of growth can be prevented in possible trouble.
As long as here, be generally 1~2% or so gradient, water droplet is to flowing down, therefore the inclination of preferred annular portion 404
Angle, θ is set as 1 ° or more (gradient 1.75%) or more.But if considering, the mounting surface of outdoor unit Ou may not be horizontal plane, upper table
Build-up tolerance, component tolerance, the deformation etc. of mask 400 itself, then be more preferably set as 5 ° or more by tilt angle theta.
[second embodiment]
Next, with reference to Fig. 6, the structure of the outdoor unit Ou of the air conditioner of second embodiment of the present invention is said
It is bright.In addition, Fig. 6 is the front view of outdoor unit Ou.
Outdoor unit Ou is referred to as lateral flow type, is chiefly used in home-use or small-scale shop separated air-conditioner.
In Fig. 6, the babinet 500 of outdoor unit Ou is shaped generally as rectangular-shape, is configured with compressor 504, heat inside it
Exchanger 506 etc..Heat exchanger 506 is a substantially U-shaped to be formed throughout the rear surface of babinet 500 and two sides rear portion.In addition,
Babinet 500 is equipped with fan motor 501, and the propeller fan 502 of resin is combined in the rotary shaft of fan motor 501.
The air of the inside of babinet 500 is discharged in propeller fan 502 forwards.
Horn mouth 550 is formed by resin, and with the fan circumference portion configured in a manner of surrounding propeller fan 502
551 and be incorporated into fan circumference portion 551 blow-off outlet side and radius towards front and stepped widened stage portion 552.Loudspeaker
The front of the blow-off outlet of mouth 550 in order to prevent the intrusion of foreign matter, finger etc. and be equipped with as resin net fan protection
Device 510.Fan protector 510 can load and unload to safeguard, Fig. 6 shows the state for unloading fan protector 510.
Fig. 7 is the I-I sectional views of Fig. 6.Stage portion 552 has the multiple annular portions 556 and multiple cylindrical portions of alternately engagement
554.Annular portion 556 is shaped generally as the plate of annulus.In addition, cylindrical portion 554 is shaped generally as cylindrical shape.Annular portion 556 exists
Its inner peripheral portion is engaged with the cylindrical portion 554 at rear, and is engaged in the cylindrical portion in its peripheral part with front 554.Stage portion as a result,
552 have the shape more towards approximately truncated coniform (taper) of the more steps extension of front radius as a whole.
Here, annular portion 556 is formed along substantially vertical direction, the with respect to the horizontal plane angle of inclination outward of cylindrical portion 554
θ.This be in order to it is described (with reference to Fig. 5 references) with annular portion 404 to first embodiment the case where prevent rainwater in the same manner
It is stranded in cylindrical portion 554.Therefore, angle, θ is the angle for making the defluent degree of rainwater, specifically, it is preferable that being 1 °, more preferably
It is 5 ° or more.
In present embodiment, the angle of inclination of cylindrical portion 554 is the angle, θ for making the defluent degree of rainwater, annular portion 556
Angle of inclination be about 90 °, therefore each portion of the inner surface of stage portion 552 throughout it is whole have keep the water droplet of attachment defluent
Angle of inclination (angle of θ or more).Thereby, it is possible to make rainwater quickly be fallen downwards along the internal face of stage portion 552, even if side
The outdoor unit Ou of flow pattern can also prevent the situation for making propeller fan 502 impaired because of the ice cube of growth in possible trouble.
[third embodiment]
Next, being illustrated to the outdoor unit of the air conditioner of third embodiment of the present invention.
The overall structure of the outdoor unit of present embodiment is identical as outdoor unit (Fig. 1~Fig. 4) of first embodiment.But
It is that the shape of the stage portion 402 of upper surface cover 400 is different from shape (Fig. 5) of first embodiment.
Therefore, with reference to Fig. 8, the structure of the stage portion 402 of present embodiment is illustrated.
In present embodiment, stage portion 402 also has the multiple annular portions 404 and multiple cylindrical portions 406 of alternately engagement.And
And the shape of the inner surface (upper surface) of the shape and annular portion 404 of cylindrical portion 406 also with the shape in first embodiment
(Fig. 5) is identical.
But in the present embodiment, the outer surface 405 (lower surface) of annular portion 404 is by as forming in a manner of horizontal.
The outer surface 405 with the outer surface of cylindrical portion 406 of annular portion 404 are intersected in approximate right angle as a result, the outer edge of annular portion 404
The other parts of 410 wall ratio annular portion 404 are thick.For the outer surface of stage portion 402, because not preventing especially rainwater stagnant
The necessity stayed, so, even if the outer surface 405 of annular portion 404 is set as horizontal, obstacle will not be resulted particularly in.
On the other hand, thicker by the way that the outer edge 410 of annular portion 404 to be arranged, so as to improve stage portion 402
Intensity.Cylindric component as cylindrical portion 406 is easily deformed into ellipticity, and when cylindrical portion 406 deforms, be easy because
Sinuous flow and cause to vibrate.In the present embodiment, by improving the intensity of annular portion 404, the circle of cylindrical portion 406 can be improved
Degree.Thereby, it is possible to realize low vibration.In addition, in the case where manufacturing stage portion 402 by injection moulding, in the outer of wall thickness
410 resin of edge is easy flowing, and formability also improves.
Therefore, according to the present embodiment, on the basis of the effect of first embodiment, also act as and be capable of providing low vibration
Change, the outdoor unit of formability also excellent air conditioner.
4th embodiment
Next, being illustrated to the outdoor unit of the air conditioner of the 4th embodiment of the present invention.
The overall structure of the outdoor unit of present embodiment is identical as structure (Fig. 1~Fig. 4) of first embodiment.But
The shape of the stage portion 402 of upper surface cover 400 is different from first embodiment (Fig. 5).
Therefore, with reference to sectional view shown in Fig. 9, the structure of the stage portion 402 of present embodiment is illustrated.
In the present embodiment, stage portion 402 also has the multiple annular portions 404 and multiple cylindrical portions 406 of alternately engagement.
Moreover, the shape of cylindrical portion 406 and the shape of annular portion 404 are also roughly the same with first embodiment (Fig. 5).
But in the present embodiment, by the section shape of annular portion 404 and the joint portion 407 (protruding portion) of cylindrical portion 406
Shape, which is formed as arc-shaped this point, becomes a feature.It is assumed that if joint portion 407 is blade-like, it is attached to annular portion 404
Water droplet is stranded in because of surface tension near joint portion 407, it is difficult to flow down.In contrast, according to the present embodiment, it will engage
The cross sectional shape in portion 407 is formed as arc-shaped, therefore the water droplet for being attached to annular portion 404 can be made swimmingly to fall.In addition, connecing
The radius of the circular shape in conjunction portion 407 is preferably 1mm or more, more preferably 3mm or more.In addition, the cross sectional shape at joint portion 407
It can also be not necessarily " circular arc ".That is, cross sectional shape can also be the curve shape other than circular arc, can also be linear (use flat
Chamfering is carried out in face of joint portion 407).
In addition, in the present embodiment, the radius for pushing up top 409 of the cylindrical portion 406 of most upper rank is the circular arc of 1mm or more
Shape.Moreover, the medial surface substantially vertical of the cylindrical portion 406 of most upper rank, it is formed with from top top 409 lower section outward in outer side
Inclined upper end inclined surface 408.According to the structure, under fall on top top 409 water droplet it is most of via upper end inclined surface 408
Flow to the outer surface of stage portion 402.Thereby, it is possible to reduce the water droplet for the inner surface for flowing downwardly into stage portion 402.
In this way, according to the present embodiment, on the basis of the effect of first embodiment, playing makes water droplet further be easy
Defluent effect.
[the 5th embodiment]
Next, being illustrated to the outdoor unit of the air conditioner of the 4th embodiment of the present invention.
The overall structure of the outdoor unit of present embodiment is identical as the 4th embodiment (Fig. 1~Fig. 3, Fig. 9).On but
The shape of the stage portion 402 of face cap 400 is different from the 4th embodiment (Fig. 9).Therefore, stereogram shown in 0 referring to Fig.1,
The structure of the stage portion 402 of present embodiment is illustrated.
In present embodiment, stage portion 402 also has the multiple annular portions 404 and multiple cylindrical portions 406 of alternately engagement.Separately
Outside, for the structure at joint portion 407, as shown in figure 9, section is the outer surface of arc-shaped and the cylindrical portion 406 in most upper rank
The case where being formed with upper end inclined surface 408 is identical as the 4th embodiment (Fig. 9).
But in the present embodiment, closest to the width W1 of the annular portion 404 of the most upper rank of blow-off outlet than second-order with
Under annular portion 404 width W2 wide.Therefore, the meaning of width W1, W2 to setting annular portion 404 in this way illustrate.
In the case of using metal mesh as fan protector 105, when making fan protector 105 expose, observer can be brought
Clumsy impression, therefore, fan protector 105 are preferably assemblied in upper surface cover 400 in a manner of being difficult to see that from outside
Inside.In order to realize the purpose, fan protector fixed lobe 106a is set to the inside of stage portion 402, will by screw 107
Fan protector mounting hole 106b is incorporated into fan protector fixed lobe 106a.
At this point, consolidating it is also contemplated that fan protector is arranged in a manner of directly connecting with the cylindrical portion 406 of most upper rank
Fixed protrusion 106a.But in this case, when by resin one shaping upper surface cover 400, in resin solidification, with wind
The lateral surface for the cylindrical portion 406 that fan protective device fixed lobe 106a connects, generates dent (recess portion).When generating dent, on
The appearance damage of face cap 400, and easy upper surface cover 400 is will produce the problem of the indented portion ruptures.Therefore, exist
In present embodiment, the cylindrical portion 406 of most upper rank is divided at a distance from the horizontal direction of fan protector fixed lobe 106a
It is connected by generally rectangular thin plate part 108 from certain degree, and by the two.
In this way, in order to ensure most upper rank cylindrical portion 406 at a distance from fan protector fixed lobe 106a, this implementation
In mode, make the width W2 wide of the width W1 of the annular portion 404 of most upper rank annular portions 404 more below than second-order.In addition, even if
Keep width W1, W2 equal, as long as can substantially ensure the cylindrical portion 406 and fan protector fixed lobe 106a of most upper rank
Distance can also make width W1, W2 equal.
In this way, according to the present embodiment, on the basis of the effect of the 4th embodiment, playing to be capable of providing makes upper surface
Cover 400 is difficult to rupture, and the outdoor unit of design also excellent air conditioner.
[variation]
The present invention is not limited to above-mentioned embodiments, can carry out various modifications.Above-mentioned embodiment is in order to easy
In understanding illustrate the present invention and exemplary, is not limited to must to have illustrated all structures.Furthermore it is possible to which certain is implemented
A part for the structure of mode is replaced as the structure of other embodiment, alternatively, it is also possible to be added in the structure of certain embodiment
The structure of other embodiment.In addition, a part for the structure for each embodiment, can be deleted or other knots
Addition, the displacement of structure.For the above embodiment, possible deformation such as following example.
(1) example of the outdoor unit Ou application present invention in air conditioner is illustrated in above-mentioned each embodiment, still
The present invention can be applied to make the temperature of cooling water close to the cooling tower (cooling tower) or only conveying wind of outside air temperature
The various equipment that air blower etc. is blown.
(2) in the 4th above-mentioned embodiment (Fig. 9) and the 5th embodiment (Figure 10), the outer surface of stage portion 402
The outer surface that can also make annular portion 404 in the same manner as third embodiment (Fig. 8) and the outer surface of cylindrical portion 406 are in substantially straight
Intersect to angle.
(3) in the 4th above-mentioned embodiment (Fig. 9) and the 5th embodiment (Figure 10), in the cylindrical portion of most upper rank
406 are formed with upper end inclined surface 408 in a manner of from top top 409 outward inclined downward.But upper end inclined surface 408 can
To be formed as from top top 409 inclined downward inwardly.
[summary of structure, effect]
As described above, the outdoor unit (Ou) of the air conditioner of the respective embodiments described above is characterized in that having propeller type wind
Fan (100,502) and the horn mouth (401,402,550) being configured at around above-mentioned propeller fan (100,502), moreover,
Above-mentioned horn mouth (401,402,550) has the stepped expansion of blow-off direction towards above-mentioned propeller fan (100,502)
Big stage portion (402,552), each portion of the inner surface of above-mentioned stage portion (402,552) with respect to the horizontal plane have and make attachment
The defluent angle of inclination of water droplet (angle of θ or more).
It is attached to the water droplet of stage portion (402,552) as a result, quickly to flowing down, therefore ice cube can be freezed because of water droplet
And the case where growing up, prevents in the first place, and is capable of the damage of house outdoor unit (Ou).
In addition, the outdoor unit (Ou) of the air conditioner of third embodiment (Fig. 8) is characterized in that, make above-mentioned stage portion
The wall ratio other parts of the outer edge (410) protruded outward in (402,552) are thick.
Thereby, it is possible to inhibit to vibrate, formability can be improved.
In addition, the outdoor unit (Ou) of the air conditioner of the 5th embodiment (Figure 10) is characterized in that, above-mentioned horn mouth (401,
402) there is the blow-off outlet being open upward, and have multiple circles of the substantially annulus plate with above-mentioned angle of inclination (θ)
Ring portion (404) and the multiple cylindrical portions (406) engaged with these annular portions (404), make in multiple above-mentioned annular portions (404) most
The width (W1) of the above-mentioned annular portion (404) of upper rank is wider than the width (W2) of other above-mentioned annular portions (404), above-mentioned air conditioner
Outdoor unit (Ou) has：Cover the fan protector (105) of above-mentioned blow-off outlet；And the above-mentioned annular portion set on most upper rank
(404) and by said fans protective device (105) it is fixed on the fan protector fixed part of above-mentioned stage portion (402)
(106a)。
Thereby, it is possible to realize that upper surface cover 400 is difficult to rupture and the outdoor unit of design also excellent air conditioner.
In addition, the feature of the outdoor unit (Ou) of the air conditioner of the 4th embodiment (Fig. 9) and the 5th embodiment (Figure 10)
It is, there is above-mentioned horn mouth (401,402) protruding portion (407) protruded inwardly, above-mentioned protruding portion (407) to be formed as curved surface
Shape, or be chamfered to be planar.
In addition, the outdoor unit (Ou) of above-mentioned air conditioner is further characterized in that, most upper rank above-mentioned cylindrical portion (406) it is upper
End is formed with to the inclined upper end inclined surface (408) of the inner surface of above-mentioned stage portion (402) or outer surface.
According to these features, water droplet can be made to be easier to dirty.
Symbol description
Ou-outdoor unit (air blower), 100-propeller fans, 105-fan protectors, 106a-fan protection
Device fixed lobe (fan protector fixed part), 106b-fan protector mounting hole, 401-fan circumference portion (loudspeakers
Mouth), 402-stage portions (horn mouth), 403-top plate portions, 404-annular portions, 406-cylindrical portions, 407-joint portions (are dashed forward
Go out portion), 408-upper end inclined surface, 409-top tops, 410-outer edges, 500-babinets, 502-propeller fans,
504-compressors, 506-heat exchangers, 510-fan protectors, 550-horn mouths, 551-fan circumference portions, 552-
Stage portion, 554-cylindrical portions, 556-annular portions.
Claims (according to the 19th article of modification of treaty)
A kind of (1. after modification) outdoor unit of air conditioner, which is characterized in that have：
Propeller fan；And
The horn mouth being configured at around above-mentioned propeller fan,
Above-mentioned horn mouth has the stepped expansion of blow-off direction towards above-mentioned propeller fan and surrounds the circulation of wind
The stage portion on road,
Each portion of the inner surface of above-mentioned stage portion with respect to the horizontal plane have make the defluent angle of inclination of the water droplet of attachment.
2. the outdoor unit of air conditioner according to claim 1, which is characterized in that
Above-mentioned angle of inclination is with respect to the horizontal plane 5 ° or more.
3. the outdoor unit of air conditioner according to claim 2, which is characterized in that
Keep the wall ratio other parts of the outer edge protruded outward in above-mentioned stage portion thick.
4. the outdoor unit of air conditioner according to claim 3, which is characterized in that
Above-mentioned horn mouth has the blow-off outlet being open upward, and has：Substantially annulus plate with above-mentioned angle of inclination
Multiple annular portions；And multiple cylindrical portions of these annular portions are engaged in, make the upper of the most upper rank in multiple above-mentioned annular portions
The width for stating annular portion is wider than the width of other above-mentioned annular portions,
The outdoor unit of above-mentioned air conditioner has：
Cover the fan protector of above-mentioned blow-off outlet；And
Set on the above-mentioned annular portion of most upper rank, and said fans protective device is fixed on to the fan protector of above-mentioned stage portion
Fixed part.
5. the outdoor unit of air conditioner according to claim 4, which is characterized in that
Above-mentioned horn mouth has the protruding portion protruded inwardly,
Above-mentioned protruding portion is formed as curved, or is chamfered to be planar.
6. the outdoor unit of air conditioner according to claim 5, which is characterized in that
It is formed with to the inclined upper end of the inner surface of above-mentioned stage portion or outer surface in the upper end of the above-mentioned cylindrical portion of most upper rank
Inclined surface.
7. a kind of air blower, which is characterized in that have：
Propeller fan；And
The horn mouth being configured at around above-mentioned propeller fan,
Above-mentioned horn mouth has the stepped widened stage portion of blow-off direction towards above-mentioned propeller fan,
Each portion of the inner surface of above-mentioned stage portion with respect to the horizontal plane have make the defluent angle of inclination of the water droplet of attachment.
Illustrate or states (according to the 19th article of modification of treaty)
Claim 1 specifies bell-mouthed stage portion " stepped expansion, and surround the logical circulation road of wind " this point.
Fig. 6 of documents JP7-55202 and the portions horn mouth A shown in Fig. 7 36 have the contraction flow region 38 and the of the first rank
The contraction flow region 39 of second order.But these contraction flow regions 38,39 are detached with the logical circulation road of wind, do not imply the logical circulation road of wind " surround " this
One present disclosure.
Claims (7)
1. a kind of outdoor unit of air conditioner, which is characterized in that have：
Propeller fan；And
The horn mouth being configured at around above-mentioned propeller fan,
Above-mentioned horn mouth has the stepped widened stage portion of blow-off direction towards above-mentioned propeller fan,
Each portion of the inner surface of above-mentioned stage portion with respect to the horizontal plane have make the defluent angle of inclination of the water droplet of attachment.
2. the outdoor unit of air conditioner according to claim 1, which is characterized in that
Above-mentioned angle of inclination is with respect to the horizontal plane 5 ° or more.
3. the outdoor unit of air conditioner according to claim 2, which is characterized in that
Keep the wall ratio other parts of the outer edge protruded outward in above-mentioned stage portion thick.
4. the outdoor unit of air conditioner according to claim 3, which is characterized in that
Above-mentioned horn mouth has the blow-off outlet being open upward, and has：Substantially annulus plate with above-mentioned angle of inclination
Multiple annular portions；And multiple cylindrical portions of these annular portions are engaged in, make the upper of the most upper rank in multiple above-mentioned annular portions
The width for stating annular portion is wider than the width of other above-mentioned annular portions,
The outdoor unit of above-mentioned air conditioner has：
Cover the fan protector of above-mentioned blow-off outlet；And
Set on the above-mentioned annular portion of most upper rank, and said fans protective device is fixed on to the fan protector of above-mentioned stage portion
Fixed part.
5. the outdoor unit of air conditioner according to claim 4, which is characterized in that
Above-mentioned horn mouth has the protruding portion protruded inwardly,
Above-mentioned protruding portion is formed as curved, or is chamfered to be planar.
6. the outdoor unit of air conditioner according to claim 5, which is characterized in that
It is formed with to the inclined upper end of the inner surface of above-mentioned stage portion or outer surface in the upper end of the above-mentioned cylindrical portion of most upper rank
Inclined surface.
7. a kind of air blower, which is characterized in that have：
Propeller fan；And
The horn mouth being configured at around above-mentioned propeller fan,
Above-mentioned horn mouth has the stepped widened stage portion of blow-off direction towards above-mentioned propeller fan,
Each portion of the inner surface of above-mentioned stage portion with respect to the horizontal plane have make the defluent angle of inclination of the water droplet of attachment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016006979A JP6731732B2 (en) | 2016-01-18 | 2016-01-18 | Air conditioner outdoor unit and blower |
| JP2016-006979 | 2016-01-18 | ||
| PCT/JP2016/088636 WO2017126296A1 (en) | 2016-01-18 | 2016-12-26 | Outdoor unit and blower of air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108474571A true CN108474571A (en) | 2018-08-31 |
| CN108474571B CN108474571B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680078965.XA Active CN108474571B (en) | 2016-01-18 | 2016-12-26 | Outdoor unit and blower of air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6731732B2 (en) |
| CN (1) | CN108474571B (en) |
| WO (1) | WO2017126296A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10684054B2 (en) * | 2017-05-22 | 2020-06-16 | Trane International Inc. | Tension support system for motorized fan |
| WO2020157959A1 (en) * | 2019-02-01 | 2020-08-06 | 三菱電機株式会社 | Bottom surface panel and outdoor unit for air conditioning device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755202A (en) * | 1993-08-20 | 1995-03-03 | Mitsubishi Electric Corp | Outdoor unit of air conditioner |
| CN1415905A (en) * | 2001-10-31 | 2003-05-07 | 三星电子株式会社 | Outdoor unit of air conditioner |
| JP2006242554A (en) * | 2005-02-04 | 2006-09-14 | Matsushita Electric Ind Co Ltd | Air conditioner |
| CN1959239A (en) * | 2005-10-31 | 2007-05-09 | 三星电子株式会社 | Outdoor machine of air conditioner |
| CN203744394U (en) * | 2014-02-25 | 2014-07-30 | 广东美的制冷设备有限公司 | Floor-type air conditioner indoor unit |
| CN104279193A (en) * | 2013-07-12 | 2015-01-14 | Lg电子株式会社 | Centrifugal blower and air conditioner using the same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7249931B2 (en) * | 2002-03-30 | 2007-07-31 | University Of Central Florida Research Foundation, Inc. | High efficiency air conditioner condenser fan with performance enhancements |
| JP2008057480A (en) * | 2006-09-01 | 2008-03-13 | Daikin Ind Ltd | Propeller fan with shroud |
| JP2008232536A (en) * | 2007-03-20 | 2008-10-02 | Daikin Ind Ltd | Outdoor unit for air conditioner |
-
2016
- 2016-01-18 JP JP2016006979A patent/JP6731732B2/en active Active
- 2016-12-26 WO PCT/JP2016/088636 patent/WO2017126296A1/en active Application Filing
- 2016-12-26 CN CN201680078965.XA patent/CN108474571B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755202A (en) * | 1993-08-20 | 1995-03-03 | Mitsubishi Electric Corp | Outdoor unit of air conditioner |
| CN1415905A (en) * | 2001-10-31 | 2003-05-07 | 三星电子株式会社 | Outdoor unit of air conditioner |
| JP2006242554A (en) * | 2005-02-04 | 2006-09-14 | Matsushita Electric Ind Co Ltd | Air conditioner |
| CN1959239A (en) * | 2005-10-31 | 2007-05-09 | 三星电子株式会社 | Outdoor machine of air conditioner |
| CN104279193A (en) * | 2013-07-12 | 2015-01-14 | Lg电子株式会社 | Centrifugal blower and air conditioner using the same |
| CN203744394U (en) * | 2014-02-25 | 2014-07-30 | 广东美的制冷设备有限公司 | Floor-type air conditioner indoor unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017126296A1 (en) | 2017-07-27 |
| JP6731732B2 (en) | 2020-07-29 |
| CN108474571B (en) | 2020-09-08 |
| JP2017129287A (en) | 2017-07-27 |
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