CN106322535A - Indoor unit of air conditioner and air conditioner - Google Patents
Indoor unit of air conditioner and air conditioner Download PDFInfo
- Publication number
- CN106322535A CN106322535A CN201610834437.4A CN201610834437A CN106322535A CN 106322535 A CN106322535 A CN 106322535A CN 201610834437 A CN201610834437 A CN 201610834437A CN 106322535 A CN106322535 A CN 106322535A
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- heat exchanger
- air
- wind wheel
- snail tongue
- air conditioner
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- 241000237858 Gastropoda Species 0.000 claims description 87
- 230000007704 transition Effects 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 8
- 238000011161 development Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000035939 shock Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003860 sleep quality Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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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
- F24F1/0007—Indoor units, e.g. fan coil units
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an indoor unit of an air conditioner and the air conditioner. The indoor unit of the air conditioner comprises a front face plate, a rear back plate, a heat exchanger, a wind wheel, a front volute and a back volute, wherein the front face plate and the rear back plate are oppositely arranged to form an air inlet and an air outlet, the heat exchanger and the wind wheel are located between the front face plate and the rear back plate, and the front volute and the back volute are arranged on the two opposite sides of the wind wheel to form an air channel. The air inlet is located at the upper end of the front face plate and the upper end of the rear back plate and provided with an air inlet grille. The heat exchanger comprises a first heat exchanger, a second heat exchanger and a third heat exchanger, wherein the first heat exchanger, the second heat exchanger and the third heat exchanger are sequentially distributed around the wind wheel from back to front. The third heat exchanger is located between the wind wheel and the front face plate. The horizontal distance between the axis of the wind wheel and the third heat exchanger is 0.4-0.6 times that between the axis of the wind wheel and the front end of the air inlet grille. By the adoption of the indoor unit of the air conditioner and the air conditioner, the air feeding amount of the heat exchanger can be guaranteed, an enough space is formed between the wind wheel and the third heat exchanger to make turbulent airflow stable, and then the noise caused by the fact that the turbulent airflow impacts the wind wheel is lowered.
Description
Technical field
The present invention relates to appliance field, particularly relate to a kind of air conditioner room unit and air-conditioner.
Background technology
Air-conditioner is that the temperature to air, humidity, degree of purity and air velocity process, with meet people produce,
The equipment of living needs.Along with expanding economy, people's living standard improves, and air-conditioning has incorporated our life, and people
The most more value the experience to air-conditioning.
Existing air conditioner room unit (as shown in Figure 1) includes front panel 1 and postnotum 2, is arranged at front panel 1 and back
Heat exchanger between plate 2, wind wheel 3 and be respectively arranged at the opposite sides of wind wheel 3 to form the front spiral case in air channel and rear spiral case
Deng, but because air inlet/outlet Duct design is unreasonable, when causing air-conditioner to work, air-flow can produce in the impact within air conditioner room unit
Raw bigger noise, and affect the sleep quality of people, so that the Consumer's Experience that people are when use air-conditioner is bad.
In view of above-mentioned defect, it is necessary to provide a kind of new air conditioner room unit.
Summary of the invention
The main object of the present invention is to provide a kind of air conditioner room unit, it is intended to solve existing air conditioner room unit noise
Bigger problem.
For achieving the above object, the air conditioner room unit that the present invention proposes includes described air conditioner room unit to include relatively setting
Put to be formed with air inlet and the front panel of air outlet and postnotum, be arranged at changing between described front panel and described postnotum
Hot device, wind wheel and be respectively arranged at the opposite sides of described wind wheel to form front spiral case and rear spiral case, the described air intake in air channel
Mouth is positioned at the upper end of described front panel and described postnotum and is provided with air-inlet grille, and described heat exchanger is near described air intake lattice
Grid arrange and all prolong from described wind wheel so that the air-flow entered from described air inlet to carry out heat exchange, described front spiral case and described rear spiral case
Extend described air outlet;
First Heat Exchanger that described heat exchanger includes being sequentially distributed around described wind wheel from back to front, the second heat exchanger and
3rd heat exchanger, described First Heat Exchanger, described second heat exchanger and described 3rd heat exchanger all with the axis of described wind wheel
Parallel, described 3rd heat exchanger is between described wind wheel and described front panel, and the axis of described wind wheel is to described 3rd heat exchange
The horizontal range of device is the axis 0.4~0.6 times of horizontal range to the front end of described air-inlet grille of described wind wheel.
Preferably, 0.9~1.1 times of the diameter that height is described wind wheel of described 3rd heat exchanger, and the described 3rd change
The height center of hot device flushes in the horizontal direction with the axis of described wind wheel.
Preferably, described 3rd heat exchanger is obliquely installed, and the lower end of described 3rd heat exchanger is to described wind wheel lopsidedness
Described 3rd heat exchanger is made to form 3 °~the angle of 8 ° with vertical direction.
Preferably, the minimum air flow gap between described 3rd heat exchanger and described wind wheel is 13~15mm.
Preferably, through the vertical line of described First Heat Exchanger and the junction point of described second heat exchanger by described air intake
Grid is divided into the first air-inlet grille near described postnotum and the second air-inlet grille near described front panel;
The width of described first air-inlet grille is 0.4~0.6 times of the width of described second air-inlet grille;Described wind wheel
Axis is arranged on the underface of described First Heat Exchanger and the junction point of described second heat exchanger.
Preferably, the incoming air area of described First Heat Exchanger is the air intake of described second heat exchanger and described 3rd heat exchanger
0.4~0.6 times of area sum.
Preferably, described front spiral case is provided with start along described wind wheel from the end of described front spiral case circumferentially extending
Front snail tongue, described rear spiral case is provided with and starts the circumferentially extending rear snail tongue along described wind wheel from the end of described rear spiral case,
Described front snail tongue and described rear snail tongue are distributed in the opposite sides of described wind wheel;
Before minimum between described front snail tongue and described wind wheel, snail tongue room is 4~6mm, described front snail tongue with described before
The part that spiral case connects is transition arc, and the radius of described transition arc is before described minimum 1.3~1.5 times of snail tongue room.
Preferably, the side of the close described wind wheel of described rear snail tongue starts to be gradually distance from institute from the starting point of described rear snail tongue
Stating wind wheel, the rear snail tongue room between starting point and the described wind wheel of described rear snail tongue is 4~6mm, and the extension of described rear snail tongue is long
Degree is 3~4 times of described rear snail tongue room.
Preferably, 0.5~0.55 times of the diameter that width is described wind wheel at the narrowest place of the outlet section in described air channel.
Preferably, the outlet section from described air channel the narrowest to described air outlet, diffusion angle is set, described diffusion angle is
17.5 °~19 °.
It addition, the present invention also provides for a kind of air-conditioner, it includes compressor and above-mentioned air conditioner room unit.
The wind wheel of air-conditioner has impact to air-flow in rotary course, can cause the biggest noise, and the rotating speed of wind wheel
The highest, impact the biggest, noise is the biggest.In order to reduce the noise of indoor set, need to protect while reducing the rotating speed of wind wheel as far as possible
Demonstrate,prove certain air quantity.Due to the stop of heat exchanger, air-flow becomes disorderly after heat exchanger, and disorderly air-flow can make wind wheel produce
Bigger noise, thus need certain space to be adjusted making air-flow stabilize to disorderly air-flow.Technical solution of the present invention
In, the horizontal range of the axis that horizontal range is wind wheel of the axis of wind wheel to the 3rd heat exchanger to the front end of air-inlet grille
0.4~0.6 times, in the case of ensureing, between wind wheel and the 3rd heat exchanger, there is enough gaps, make the 3rd heat exchanger with above
Retain suitable spacing between plate, thus ensure the intake of heat exchanger, and between wind wheel and the 3rd heat exchanger, form foot
Enough spaces make the air-flow of disorder stabilize, and then reduce noise produced by disorderly gas shock wind wheel.
Accompanying drawing explanation
In order to be illustrated more clearly that embodiment of the present invention or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the sectional view of the air conditioner room unit of prior art;
Fig. 2 is the sectional view of the air conditioner room unit of the present invention;
Fig. 3 is the exploded view of the air conditioner room unit in the present invention.
Drawing reference numeral illustrates:
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
It is to be appreciated that directional instruction in embodiment of the present invention (such as up, down, left, right, before and after ...) is only
For explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if
When this particular pose changes, then directionality instruction changes the most therewith.
It addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can express or implicitly include at least one this feature.In describing the invention, the containing of " multiple "
Justice is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " connects ", " fixing " etc. should be interpreted broadly,
Such as, " fixing " can be fixing connection, it is also possible to be to removably connect, or integral;Can be to be mechanically connected, it is also possible to be
Electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection or two of two element internals
The interaction relationship of individual element, unless otherwise clear and definite restriction.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in the present invention.
It addition, the technical scheme between each embodiment of the present invention can be combined with each other, but must be with this area
Based on those of ordinary skill is capable of, when technical scheme combination occur conflicting maybe cannot realize time will be understood that this
The combination planting technical scheme does not exists, the most not within the protection domain of application claims.
The present invention proposes a kind of air conditioner room unit, it is intended to solve the problem that existing air conditioner room unit noise is bigger.
Refer to Fig. 2 and Fig. 3, in one embodiment of the present invention, this air conditioner room unit includes being oppositely arranged with shape
Become to have front panel 1 and postnotum 2, the heat exchanger 6 being arranged between front panel 1 and postnotum 2, the wind of air inlet 4 and air outlet 9
Wheel 3 and be respectively arranged at the opposite sides of wind wheel 3 to form front spiral case 7 and the rear spiral case 8 in air channel, before air inlet 4 is positioned at
The upper end of plate 1 and postnotum 2 and be provided with air-inlet grille 5, heat exchanger 6 arranges to enter from air inlet 4 near air-inlet grille 5
The air-flow entered carries out heat exchange, and front spiral case 7 and rear spiral case 8 all extend to air outlet 9 from wind wheel 3, and heat exchanger 6 includes enclosing from back to front
First Heat Exchanger the 61, second heat exchanger 62 being sequentially distributed around wind wheel 3 and the 3rd heat exchanger 63, the First Heat Exchanger of strip
61, the second heat exchanger 62 and the 3rd heat exchanger 63 are all parallel with the axis of wind wheel 3, and the 3rd heat exchanger 63 is positioned at wind wheel 3 with front
Between panel 1, the front end of the axis that horizontal range L is wind wheel 3 of the axis of wind wheel 3 to the 3rd heat exchanger 63 to air-inlet grille 5
0.4~0.6 times of horizontal range.Wherein, the front end of air-inlet grille 5 refers to be connected the one of air-inlet grille 5 with front panel 1
End, the axis of wind wheel 3 refers to the horizontal range of the front end of air-inlet grille 5, through vertically the connecting of the center of circle of the cross section of wind wheel 3
Distance between line (the vertical dotted line in the left side in Fig. 2) and the front end of air-inlet grille 5.In a preferred embodiment, wind wheel 3
Axis be about the axis of wind wheel 3 horizontal range to the front end of air-inlet grille 5 to horizontal range L of the 3rd heat exchanger 63
Half.
Wherein, as it is shown on figure 3, above-mentioned air conditioner room unit also include base 12, the wind deflector 10 being arranged at air outlet 9,
Motor pressing cover 11 and be respectively arranged at the heat exchanger right end plate 64 at two ends and the heat exchanger first member plate 65 etc. of heat exchanger 6, these
Structure is similar with the corresponding construction of air conditioner room unit of the prior art, does not repeats them here.
The wind wheel 3 of air-conditioner has impact to air-flow in rotary course, can cause the biggest noise.Through Internal Experiment,
The rotating speed of wind wheel 3 is the highest, impacts the biggest, and noise is the biggest.In order to reduce the noise of indoor set, present embodiment is reducing wind as far as possible
Certain air quantity is ensured while the rotating speed of wheel 3.Due to the stop of heat exchanger 6, air-flow becomes disorderly after heat exchanger 6, disorderly
Random air-flow also can make wind wheel 3 produce bigger noise, and therefore present embodiment adjusts between heat exchanger 6 and wind wheel 3 further
Space size, between heat exchanger 6 and wind wheel 3, retain enough spaces while taking into account air-conditioner overall volume to disorderly
Random air-flow is adjusted making air-flow become stable before reaching wind wheel 3 as far as possible.Find through Internal Experiment, change relative to first
Hot device 61 and the second heat exchanger 62, the adjustment of disorderly air-flow is affected by the distance between regulation the 3rd heat exchanger 63 and wind wheel 3
Greatly.The disorderly air-flow formed after the 3rd heat exchanger 63 when distance between 3rd heat exchanger 63 and wind wheel 3 is too small has little time
Adjust and directly impact wind wheel 3, cause serious noise;When distance between 3rd heat exchanger 63 and wind wheel 3 is excessive, the 3rd changes
The intake that hot device 63 undertakes reduces, and affects the heat transfer effect of air conditioner room unit.In technical solution of the present invention, the axle of wind wheel 3
Line to the 3rd heat exchanger 63 the axis that horizontal range is wind wheel 3 to the front end of air-inlet grille 5 horizontal range 0.4~0.6
Times, in the case of ensureing, between wind wheel 3 and the 3rd heat exchanger 63, there is enough gaps, make the 3rd heat exchanger 63 and front panel 1
Between retain suitable spacing, thus ensure the intake of heat exchanger 6, and formed between wind wheel 3 and the 3rd heat exchanger 63
Enough spaces make the air-flow of disorder stabilize, and then reduce noise produced by disorderly gas shock wind wheel 3.
Further, as in figure 2 it is shown, the 3rd heat exchanger 63 is because being arranged on bottom, distance air inlet 4 farther out, air intake and
Exchange capability of heat is limited, therefore, the height of the 3rd heat exchanger 63 is set to wind wheel 3 diameter (i.e. the wind wheel radius R of twice) 0.9
~1.1 times (preferably, the height of the 3rd heat exchanger 63 and the equal diameters of wind wheel 3 or roughly equal), and the 3rd heat exchanger
(in Fig. 2, the upper end of the 3rd heat exchanger 63 is height to the distance of lower end to the height center of 63, and the position of height center is changed the 3rd
The upper end of hot device 63 is to the position of the half of the distance of lower end) flush in the horizontal direction, i.e. at air-conditioner with the axis of wind wheel 3
On the cross section (cross section shown in Fig. 2) of indoor set, the height center of the 3rd heat exchanger 63 and the center of circle of the cross section of wind wheel 3
On same level line, the air-flow delivering to wind wheel 3 from the 3rd heat exchanger 63 can be made more to equalize such that it is able to reduce further
Noise.
In a preferred embodiment, the height of the 3rd heat exchanger 63 and the equal diameters of wind wheel 3, and the 3rd heat exchanger 63
Height center flush in the horizontal direction with the axis of wind wheel 3, then mean the upper end of the 3rd heat exchanger 63 and the upper of wind wheel 3
End points is the most substantially flush, and the lower extreme point of the lower end of the 3rd heat exchanger 63 and wind wheel 3 is the most substantially
Flush.Further, due to the 3rd heat exchanger 63 apart from air inlet 4 farther out, in order to improve the draft capacity of the 3rd heat exchanger 63,
3rd heat exchanger 63 of present embodiment is obliquely installed, its lower end be slightly slanted to wind wheel 3 side so that the 3rd heat exchanger 63 with
Vertical direction forms 3 °~the angle of 8 °, has sufficient space disorderly for adjusting between guarantee the 3rd heat exchanger 63 and wind wheel 3
In the case of random air-flow, strengthen the space between lower end and the front panel 1 of the 3rd heat exchanger 63 as far as possible, thus ensure from air inlet
4 air-flows being transported between the 3rd heat exchanger 63 and front panel 1 can be sent to wind equably after the 3rd heat exchanger 63 heat exchange
On wheel 3.
Wherein, it is contemplated that make to retain enough spaces between the 3rd heat exchanger 63 and wind wheel 3, it is possible to make through the 3rd heat exchanger
The 63 disorderly air-flows flowed into flatten surely, and the minimum air flow gap d between the 3rd heat exchanger 63 and wind wheel 3 is 13~15mm, wherein,
It is filled with air-flow between 3rd heat exchanger 63 and wind wheel 3, and the side of close wind wheel 3 side of the 3rd heat exchanger 63 is to wind wheel 3
Minimum range be minimum air flow gap, and in a preferred embodiment, d can be 14mm.Meanwhile, in order to make the 3rd heat exchange
The air intake surface of device 63 can uniform air intake, take into account air-conditioner overall volume simultaneously, it is to avoid air-conditioner blocked up (if front panel 1 with
Distance between postnotum 2 is relatively big, and air-conditioner can seem that comparison is thick, affects aesthetic feeling), in the present embodiment, the 3rd heat exchanger
The height center of 63 is 37~40mm (preferably 38.5mm) to distance N between front panel 1 so that the 3rd heat exchanger 63 with
Enough air intake spaces it are formed with between front panel 1.
In the case of the shape above optimizing the 3rd heat exchanger 63 and relative position thereof, embodiments of the present invention also root
According to experimental result, optimization is made in the relative position of First Heat Exchanger 61 with the second heat exchanger 62, to improve air-conditioner further
Air-supply effect, stable feeding pathogenic wind stream, reduce the noise formed during air intake.First Heat Exchanger 61 and the second heat exchanger 62 are even
Connect and the second heat exchanger 62 is connected with the 3rd heat exchanger 63, through junction point perpendicular of First Heat Exchanger 61 and the second heat exchanger 62
Air-inlet grille 5 is divided near the first air-inlet grille 51 of postnotum 2 with near front by direct-connected line (the vertical dotted line in left side in Fig. 2)
Second air-inlet grille 52 of panel 1, the width of the first air-inlet grille 51 (vertical empty to left side of the left end of air-inlet grille 5 in Fig. 2
The distance of line) it is the width (in Fig. 2, the right-hand member of air-inlet grille 5 is to the distance of the vertical dotted line in left side) of the second air-inlet grille 52
0.4~0.6 times (preferably 0.5 times).Further, the axis of wind wheel 3 is arranged on First Heat Exchanger 61 and the company of the second heat exchanger 62
The underface of contact, i.e. on the cross section (cross section shown in Figure 2) of air conditioner room unit, the cross section of wind wheel 3
The center of circle is arranged on through First Heat Exchanger 61 and the vertical line of the junction point of the second heat exchanger 62 (left side in Fig. 2 vertical
Dotted line) on, i.e. it is distributed in wind wheel 3 around with making First Heat Exchanger 61 and the second heat exchanger 62 relative equilibrium, so that stream
Can more uniformly send to wind wheel 3 through the air-flow of First Heat Exchanger 61 and the second heat exchanger 62, with reduce further wind wheel 3 with
Noise produced by the impact of air-flow.
Further, First Heat Exchanger the 61, second heat exchanger 62 and the size of the 3rd heat exchanger 63 incoming air area are optimized
Ratio, make First Heat Exchanger 61 the incoming air area sum that incoming air area is the second heat exchanger 62 and the 3rd heat exchanger 63 0.4
~0.6 times, i.e. the incoming air area of First Heat Exchanger 61 be about the second heat exchanger 62 and the 3rd heat exchanger 63 incoming air area it
The half (about 0.5 times) of sum.Wherein, air intake surface refer to air-flow from the inlet side of extraneous inflow heat exchanger again through fin clearance from going out
This plane being used for accepting the extraneous place, heat exchanger inlet side flowing into air-flow when wind side is flowed out, and incoming air area refers to this plane
Area.Above-mentioned set-up mode so that First Heat Exchanger the 61, second heat exchanger 62 and the 3rd heat exchanger 63 are relative to wind wheel 3 points
Cloth obtains and more equalizes, and is more equalized by the air quantity of each heat exchanger, and air-flow can more uniformly be sent to wind wheel 3 such that it is able to reduce
Noise produced by the impact of wind wheel 3 and air-flow.
It addition, in the above-described embodiment, rear spiral case 8 is installed on base 12, and front spiral case 7 is provided with spiral case in the past
The end of 7 starts the circumferentially extending front snail tongue 71 along wind wheel 3, rear spiral case 8 is provided with and starts along wind from the end of rear spiral case 8
The circumferentially extending rear snail tongue 81 of wheel 3, front snail tongue 71 and rear snail tongue 81 are distributed in the opposite sides of wind wheel 3.Send out through Internal Experiment
Existing, in addition to the position relationship between the heat exchanger 6 and wind wheel 3 of foregoing air intake easily causes noise, in air conditioner chamber
Before and after in machine, snail tongue is another easy position affecting noise, the most abnormal squeal-noise.Gas shock is to snail tongue
Rear clearance backflow between some premenstrual snail tongue 71 and wind wheel 3, remainder flows out through air outlet.Air-flow is to front snail tongue 71
Shock can produce squeal-noise, before suitably strengthening, the distance between snail tongue 71 and wind wheel 3 can weaken air-flow to front snail tongue 71
Shock, thus reduce noise.
Wherein, the capacity of returns of the gap location between front snail tongue 71 and wind wheel 3 is relevant with gap length, and the biggest backflow in gap is more
Greatly, air channel air output is the least, and in order to ensure air output, snail tongue room can be designed to less distance.But due to front snail tongue
Gap between 71 and wind wheel 3 is the least, and the gas flow rate of backflow is the most anxious, can cause sharp-pointed noise, the impact on noise total value
Relatively big, before institute the value in gap between snail tongue 71 and wind wheel 3 will on the premise of reducing return loss weakening squeal-noise
Impact.In a preferred embodiment, before minimum between front snail tongue 71 and wind wheel 3, snail tongue room a is 4~6mm (preferably
4.9mm), wherein, before minimum, snail tongue room a refers to the side narrow spacing to wind wheel 3 of close wind wheel 3 side of front snail tongue 71
From.Further, the part being connected with front spiral case 7 of front snail tongue 71 is that transition arc (not indicating, go forward by cross section as shown in Figure 2
Spiral case 7 is connected by one section of arc structure with front snail tongue 71), the radius r of transition arc be snail tongue room a before minimum 1.3~
1.5 again.By optimizing minimum front snail tongue room a and the radius r of transition arc so that both cooperate, thus when wind wheel 3 gets rid of
When the air-flow gone out shunts at transition arc, the part gas of backflow can pass through front snail tongue with the speed relatively relaxed
Gap between 71 and wind wheel 3, air-flow is the most stable such that it is able to reduce noise produced by gas shock further.
Further, 0.4~0.6 times of the radius R that development length is wind wheel 3 of front snail tongue 71, in this length range, backflow
Air-flow be enough in the clearance space between front snail tongue 71 and wind wheel 3 gradually settle out, and be pumped to by wind wheel 3 again
Air outlet, stable reflux airflow can reduce the impact to wind wheel 3, also can reduce the air intake between heat exchanger 6 and wind wheel 3
Air-flow adjusts the interference that the air intake air-flow in space produces such that it is able to reduce noise further.The development length of front snail tongue 71
Time too short, the air-flow of backflow can not get enough spaces in the clearance space between front snail tongue 71 and wind wheel 3 and is adjusted, gas
Stream instability, easily produces impact to wind wheel 3 and increases noise.The development length of front snail tongue 71 can not be long, if front snail
Tongue 71 extends to the clearance space between the 3rd heat exchanger 63 and wind wheel 3, and interference is flowed out by reflux airflow through the 3rd heat exchanger 63
Air intake air-flow, be unfavorable for the adjustment of air intake air-flow, noise strengthens;And long front snail tongue 71 also can stop through the 3rd heat exchange
Device 63 flows out and flows to the air-flow of wind wheel 3, causes air turbulence.
Further, in a preferred embodiment, as in figure 2 it is shown, air-flow near rear snail tongue 81 is along the rotation of wind wheel 3
Turning the gap between snail tongue 81 and wind wheel 3 after direction enters, the side of the close wind wheel 3 of rear snail tongue 81 is from the starting point of rear snail tongue 81
(rear snail tongue 81 starts from the end of rear spiral case 8 to extend, and the starting point of rear snail tongue 81 overlaps with the end of rear spiral case 8) starts the most remote
From wind wheel 3, after being specially, snail tongue 81 starts gradually to shrink to its afterbody from its position being connected with rear spiral case 8 so that rear snail tongue
Air-flow near 81 gradually tightens up when through gap between snail tongue 81 and wind wheel 3 later such that it is able near rear snail tongue 81
Air-flow guide, and slowly air-flow is carried out current stabilization.Rear snail tongue room c between starting point and the wind wheel 3 of rear snail tongue 81 with
Before minimum, snail tongue room a is consistent, specially 4~6mm (preferably 4.9mm), thus it is enough by space to ensure that air-flow has,
To avoid snail tongue 81 after making air-flow intense impact because rear snail tongue room c is less to produce the situation of loud noise.
Further, in the above-described embodiment, (after i.e., the starting point of snail tongue 81 is to rear snail tongue 81 for the development length of rear snail tongue 81
The development length of free end) be preferably after 3~4 times of snail tongue room c, by sufficiently long rear snail tongue 81, air-flow is drawn
Lead, air-flow can be made further gradually to flatten surely such that it is able to reduce air-flow and impact produced noise with wind wheel 3.
Wherein, as one preferred embodiment, cross section (such as, transversal shown in Fig. 2 of air conditioner room unit
Face) on, the starting point of rear snail tongue 81, wind wheel 3 the center of circle of cross section and the end of front snail tongue 71 in same straight line (wind wheel 3 in Fig. 2
Cross section on inclined dashed line) on.The structure being arranged such, wind wheel 3 obtains at the pressure of front snail tongue 71 and rear snail tongue 81 both sides
To balance, wind wheel 3 is stable, it is possible to enters the air-flow near rear snail tongue 81 well and guides, enables air-flow herein
Smoothly enter air channel, and also the backflow between front snail tongue 71 and wind wheel 3 can be carried out current stabilization such that it is able to further
Reduce air-flow and impact produced noise with wind wheel 3.
It addition, the design of the air outlet 2 of air conditioner room unit affects air-flow velocity and the air output size of air outlet 2,
Thus noise is also had certain impact.Air-flow flows into air channel after wind wheel 3 does work, and flow velocity strengthens, and air-flow velocity draws the soonest
The noise risen is the biggest.In order to reduce the noise that air-flow rapidly causes, the width of wind trunk need to be added to reduce the flow velocity of air-flow.Air channel
Outlet to do be greatly limited, the outlet in air channel is the biggest, and air-flow cannot be filled whole air channel and will disorder be dissipated, and exists on the contrary
Run helter-skelter in air channel and cause noise to strengthen.
In view of above-mentioned factor, in a preferred embodiment, as in figure 2 it is shown, transversal at air conditioner room unit
On face, (that section of air channel between wind wheel 3 and air outlet 9 is used for guiding air-flow to export outward through air outlet the outlet section in air channel
Portion) 0.5~0.55 times (preferably 0.52 times) of the diameter that width b is wind wheel 3 at the narrowest place, utilize after width b combines
Diffusion angle beta can obtain stable air-out air-flow.This narrowest place of ducting outlet section usually is from front snail tongue 71 with front spiral case 7 even
Extending vertically to the internal face (the most smooth) of the ducting outlet section on opposite at the transition arc connect, this is perpendicular to aforementioned wind
The wire length of road outlet section internal face is width b.In another embodiment, the width b at the narrowest place in air channel can also
It it is before minimum after snail tongue room a/ about 10 times of snail tongue room c (4~6mm, preferably 4.9mm), i.e. the narrowest place in air channel
Width b is 49mm.Additionally, the narrowest place to the air outlet 9 of ducting outlet section arranges diffusion angle beta, diffusion angle beta in the present embodiment
It is 17.5 °~19 ° (preferably 18.3 °).Further, on the cross section of air conditioner room unit, the line shown in above-mentioned width b and wind
The intersection point A of road outlet section internal face, the center of circle of cross section of wind wheel 3, First Heat Exchanger 61 and the junction point of the second heat exchanger 62
It is preferably on same vertical line (the vertical dotted line in left side in Fig. 2), thus by mating certain diffusion angle by air-flow
Kinetic energy is converted into pressure energy, so that the air-flow velocity of outlet reduces further, and pressure gets a promotion, it is simple to airflow smooth stream
Exhaust passage (in air channel, air-flow static pressure is less than external atmosphere pressure), the air conditioner room unit of present embodiment reasonably arranges air-conditioner
The structure of indoor set reduces the noise produced when indoor set runs, to promote the experience of user.
It addition, the present invention also provides for a kind of air-conditioner, it includes compressor (not shown) and above-mentioned air conditioner room unit.
In technical solution of the present invention, arranged by a series of structure, it is possible to while ensureing air quantity, noise is greatly reduced,
It is thus possible to promote the experience of user, and then strengthen the market competitiveness of air-conditioner.
The foregoing is only the preferred embodiment of the present invention, not thereby limit the scope of the claims of the present invention, every
Under the inventive concept of the present invention, utilize the equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly/indirectly transport
It is used in other relevant technical fields to be included in the scope of patent protection of the present invention.
Claims (11)
1. an air conditioner room unit, it is characterised in that described air conditioner room unit includes being oppositely arranged to be formed with air inlet
And the front panel of air outlet and postnotum, the heat exchanger being arranged between described front panel and described postnotum, wind wheel and point
Not being arranged at the opposite sides of described wind wheel to form the front spiral case in air channel and rear spiral case, described air inlet is positioned at described front panel
With the upper end of described postnotum and be provided with air-inlet grille, described heat exchanger is arranged near described air-inlet grille with to from described
The air-flow that air inlet enters carries out heat exchange, described front spiral case and described rear spiral case and all extends to described air outlet from described wind wheel;
Described heat exchanger includes First Heat Exchanger, the second heat exchanger and the 3rd being sequentially distributed from back to front around described wind wheel
Heat exchanger, described First Heat Exchanger, described second heat exchanger and described 3rd heat exchanger are all parallel with the axis of described wind wheel,
Described 3rd heat exchanger is between described wind wheel and described front panel, and the axis of described wind wheel is to the water of described 3rd heat exchanger
The axis that flat distance is described wind wheel is to 0.4~0.6 times of horizontal range of the front end of described air-inlet grille.
Air conditioner room unit the most according to claim 1, it is characterised in that the height of described 3rd heat exchanger is described wind
0.9~1.1 times of the diameter of wheel, and the height center of described 3rd heat exchanger is the neatest with the axis of described wind wheel
Flat.
Air conditioner room unit the most according to claim 1, it is characterised in that described 3rd heat exchanger is obliquely installed, described
The lower end of the 3rd heat exchanger makes described 3rd heat exchanger form 3 °~the folder of 8 ° with vertical direction to described wind wheel lopsidedness
Angle.
Air conditioner room unit the most according to claim 1, it is characterised in that between described 3rd heat exchanger and described wind wheel
Minimum air flow gap be 13~15mm.
Air conditioner room unit the most according to claim 1, it is characterised in that through described First Heat Exchanger and described second
Described air-inlet grille is divided near the first air-inlet grille of described postnotum and close by the vertical line of the junction point of heat exchanger
Second air-inlet grille of described front panel;
The width of described first air-inlet grille is 0.4~0.6 times of the width of described second air-inlet grille;The axis of described wind wheel
It is arranged on the underface of described First Heat Exchanger and the junction point of described second heat exchanger.
Air conditioner room unit the most according to claim 1, it is characterised in that the incoming air area of described First Heat Exchanger is institute
State second heat exchanger incoming air area sum with described 3rd heat exchanger 0.4~0.6 times.
7. according to the air conditioner room unit according to any one of claim 1-6, it is characterised in that be provided with on described front spiral case
Start the circumferentially extending front snail tongue along described wind wheel from the end of described front spiral case, described rear spiral case is provided with after described
The end of spiral case starts the circumferentially extending rear snail tongue along described wind wheel, and described front snail tongue and described rear snail tongue are distributed in described wind
The opposite sides of wheel;
Before minimum between described front snail tongue and described wind wheel, snail tongue room is 4~6mm, described front snail tongue with described front spiral case
The part connected is transition arc, and the radius of described transition arc is before described minimum 1.3~1.5 times of snail tongue room.
Air conditioner room unit the most according to claim 7, it is characterised in that the side of the close described wind wheel of described rear snail tongue
Face starts to be gradually distance from described wind wheel, the rear snail between starting point and the described wind wheel of described rear snail tongue from the starting point of described rear snail tongue
Tongue room is 4~6mm, and the development length of described rear snail tongue is 3~4 times of described rear snail tongue room.
9. according to the air conditioner room unit according to any one of claim 1-6, it is characterised in that the outlet section in described air channel
The width at the narrowest place is 0.5~0.55 times of the diameter of described wind wheel.
10. according to the air conditioner room unit according to any one of claim 1-6, it is characterised in that from the outlet in described air channel
The narrowest place of section to described air outlet arranges diffusion angle, and described diffusion angle is 17.5 °~19 °.
11. 1 kinds of air-conditioners, it is characterised in that described air-conditioner includes according to any one of compressor and claim 1-10
Air conditioner room unit.
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CN201610834437.4A CN106322535A (en) | 2016-09-20 | 2016-09-20 | Indoor unit of air conditioner and air conditioner |
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CN201610834437.4A CN106322535A (en) | 2016-09-20 | 2016-09-20 | Indoor unit of air conditioner and air conditioner |
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CN106765591A (en) * | 2017-01-18 | 2017-05-31 | 美的集团武汉制冷设备有限公司 | Indoor apparatus of air conditioner and air-conditioner |
CN107490064A (en) * | 2017-08-25 | 2017-12-19 | 重庆凌达压缩机有限公司 | Indoor set and air-conditioning system |
CN108917006A (en) * | 2018-09-05 | 2018-11-30 | 广东美的制冷设备有限公司 | Wall-hanging air conditioner indoor unit and wall-mounted air conditioner |
CN109237771A (en) * | 2018-11-08 | 2019-01-18 | 珠海格力电器股份有限公司 | air conditioning system |
CN109340915A (en) * | 2018-11-19 | 2019-02-15 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
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CN115597183A (en) * | 2022-10-25 | 2023-01-13 | 珠海格力电器股份有限公司(Cn) | Control logic capable of increasing air volume, control device, medium and air conditioner |
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