CN103939984A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN103939984A CN103939984A CN201410127725.7A CN201410127725A CN103939984A CN 103939984 A CN103939984 A CN 103939984A CN 201410127725 A CN201410127725 A CN 201410127725A CN 103939984 A CN103939984 A CN 103939984A
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- deflector
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- air conditioner
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Abstract
The invention discloses an indoor unit of an air conditioner. The indoor unit comprises a machine shell, a volute, a flow guide plate and a heat exchanger, wherein the inside of the machine shell is provided with an air channel communicated with the external world, and the machine shell is provided with a machine shell air inlet and a machine shell air outlet; the volute is arranged in the air channel, the lower end of the volute is a volute air inlet, and the upper end of the volute is a volute air outlet; the flow guide plate is connected to the lower end of the volute and extends downwards, the flow guide plate is opposite to the machine shell air inlet, and the lower end of the flow guide plate is adjacent to the horizontal plane where the lower edge of the machine shell air inlet is located; the heat exchanger is arranged in the air channel and located between the machine shell air inlet and the flow guide plate. According to the indoor unit of the air conditioner, noise is low, tone quality is good and the structure is simple and reasonable.
Description
Technical field
The present invention relates to living electric apparatus field, especially relate to a kind of indoor apparatus of air conditioner.
Background technology
The noise that indoor apparatus of air conditioner produces comprises pneumatic noise and mechanical noise two parts, and wherein pneumatic noise is far longer than mechanical noise.In order to keep the air circulation of indoor apparatus of air conditioner, do not reduce its performance, must make blower fan keep certain rotating speed, this has just increased the difficulty of noise reduction.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, the present invention need to provide a kind of indoor apparatus of air conditioner, and the noise of this indoor apparatus of air conditioner is low, and tonequality is good, and simple and reasonable.
According to the indoor apparatus of air conditioner of the embodiment of the present invention, comprising: casing, in described casing, there is the air channel being in communication with the outside, described casing is provided with casing air inlet and casing air outlet; Spiral case, described spiral case is located in described air channel, and the lower end of described spiral case is that spiral case air inlet and upper end are spiral case air outlet; Deflector, described deflector is connected to the lower end of described spiral case and to downward-extension, described deflector is relative with described casing air inlet, the horizontal plane at the lower limb place of the contiguous described casing air inlet in lower end of described deflector; And heat exchanger, described heat exchanger is located in described air channel and between described casing air inlet and described deflector.
According to the indoor apparatus of air conditioner of the embodiment of the present invention, by deflector being set at the edge of spiral case air inlet, thereby can guide air flow direction, near air flow direction spiral case air inlet reaches unanimity, air intake smooth and easy (as shown in Figure 9), after being set, deflector can eliminate near the most of eddy current of volute air-inlet mouth, improve intake efficiency, reduce noise, and can effectively change the frequency distribution of noise, and then can play the effect of improving tonequality, and deflector is simple in structure, is easy to produce, assembling.
To sum up, according to the indoor apparatus of air conditioner of the embodiment of the present invention, noise is low, and tonequality is good, and simple and reasonable.
In addition, also can there is following additional technical feature according to indoor apparatus of air conditioner of the present invention:
According to one embodiment of present invention, the projection in horizontal plane is semicircle and opening direction is relative with described heat exchanger in the upper end of described deflector.
According to one embodiment of present invention, described deflector extends internally downwards from the lower end of described spiral case.
According to one embodiment of present invention, the upper end of the inner surface of described deflector is concordant with the edge inner surface of described spiral case air inlet.
According to one embodiment of present invention, the inner surface of described deflector is plane or arcwall face.
According to one embodiment of present invention, the inner surface of described deflector is provided with flow deflector, and described flow deflector extends and along the vertical direction from the inner surface of described deflector to projecting inward.
According to one embodiment of present invention, described flow deflector from the inner surface of described deflector to projecting inward altitude range is: 20-60mm.
According to one embodiment of present invention, described flow deflector be multiple and on the inner surface of described deflector interval arrange.
According to one embodiment of present invention, the outer surface of described deflector and/or inner surface are provided with strengthening rib strip.
According to one embodiment of present invention, at least a portion of the bottom of described deflector, be formed with the portion of dodging.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the outline drawing of the indoor apparatus of air conditioner of the embodiment of the present invention;
Fig. 2 is the internal structure schematic diagram of the indoor apparatus of air conditioner shown in Fig. 1;
Fig. 3 is the internal structure explosive view of the indoor apparatus of air conditioner shown in Fig. 1;
Fig. 4 is the structural representation of spiral case, heat exchanger and the deflector of the indoor apparatus of air conditioner shown in Fig. 1;
Fig. 5 is according to the front view of the deflector of the embodiment of the present invention;
Fig. 6 is according to the side view of the deflector of the embodiment of the present invention;
Fig. 7 is according to the top view of the deflector of the embodiment of the present invention;
Fig. 8 is the gas flow simulation drawing of indoor apparatus of air conditioner in the time not installing deflector additional;
Fig. 9 is that indoor apparatus of air conditioner is at the gas flow simulation drawing installing additional after deflector.
Description of reference numerals:
Indoor apparatus of air conditioner 100;
Casing 1; Air channel 11; Casing air inlet 12; Casing air outlet 13; Fore shell 14; Back cover 15; Casing inner wall 16;
Heat exchanger 2; Blower fan 3; Motor 31;
Spiral case 4; Spiral case air inlet 42; Edge 421; Spiral case air outlet 43;
Rectification leaf 5; Main part 51; Blade 52;
Deflection cone 6; Outlet housing 7;
Deflector 8; Inner surface 81; Outer surface 82; Flow deflector 83; Strengthening rib strip 84; Dodge portion 85.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the instruction such as D score, " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as limitation of the present invention.In description of the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is less than Second Characteristic.
First with reference to Fig. 1-Fig. 4, describe according to the indoor apparatus of air conditioner 100 of the embodiment of the present invention below.As Figure 1-Figure 4, indoor apparatus of air conditioner 100 comprises: casing 1, spiral case 4, deflector 8 and heat exchanger 2.Indoor apparatus of air conditioner 100 also comprises blower fan 3, and indoor apparatus of air conditioner 100 is for being located at indoor environment and being connected with the refrigeration system of complete with off-premises station.
As shown in Figures 2 and 3, be limited with the air channel 11 being in communication with the outside in casing 1, spiral case 4, heat exchanger 2 are located in air channel 11, and blower fan 3 is located in spiral case 4, blower fan 3 for drive extraneous air enter air channel 11 and by with heat exchanger 2 heat exchange after wind discharge.Particularly, on casing 1, be formed with casing air inlet 12 and casing air outlet 13 for being communicated with its inner air channel 11 and external environment, furthermore, extraneous air enters in air channel 11 from casing air inlet 12, after heat exchanger 2 heat exchange, then discharge from casing air outlet 13 under the driving of blower fan 3.
As shown in Figures 2 and 3, in a concrete example of the present invention, the lower end of spiral case 4 is spiral case air inlet 42, and the upper end of spiral case 4 is spiral case air outlet 43, and wind flows from bottom to top in spiral case 4.In example as depicted in figs. 1 and 2, casing air inlet 12 can be formed on the rear side of casing 1, and casing air outlet 13 can be formed on casing 1 top (upper side) or top.The contiguous casing air inlet 12 of heat exchanger 2 arranges, and spiral case 4 is positioned on heat exchanger 2, and air-flow can move from bottom to top under the driving of blower fan 3, rises until discharge from casing air outlet 13 through the rear continuation of spiral case 4.
Particularly, in one embodiment of the invention, the cross section of casing 1 can be circular, and casing 1 can comprise fore shell 14 and back cover 15, fore shell 14 is semicircle with the projection of back cover 15 in horizontal plane and opening is relative, after fore shell 14 and back cover 15 assemblings, limit air channel 11, casing air inlet 12 can be formed on back cover 15.By the cross section of casing 1 is designed to circle, thereby can reduce the floor space of casing 1, improve space availability ratio, user-friendly.Casing 1 can also comprise outlet housing 7, and outlet housing 7 is positioned at the top of fore shell 14 and back cover 15, and casing air outlet 13 can be formed on outlet housing 7.Certainly can understand, only describe as example here, the cross section of casing 1 can also be other shapes, for example rectangle.
Further, indoor apparatus of air conditioner 100 can also comprise rectification leaf 5, and the contiguous spiral case air outlet 43 of rectification leaf 5 arranges.The wind of discharging from spiral case air outlet 43 can be after 5 rectifications of rectification leaf, then discharged to casing air outlet 13, can make like this flowing of air-flow more reasonable, smooth and easy, and can reduce noise.Particularly, rectification leaf 5 comprises circumferential body portion 51, is uniformly distributed multiple blades 52 in the outside wall surface of main part 51, and shape, the size of multiple blades 52 are all identical, as shown in Figure 2.
Further, indoor apparatus of air conditioner 100 can also comprise deflection cone 6, the contiguous spiral case air outlet 43 of deflection cone 6 is located on spiral case 4, particularly, deflection cone 6 can be located between spiral case 4 and rectification leaf 5, has the perforate that air feed passes through on deflection cone 6, and first the wind of discharging from spiral case air outlet 43 can carry out after first water conservancy diversion through deflection cone 6, through 5 rectifications of rectification leaf, can further improve thus the reasonability of air current flow again.Particularly, the cross-sectional area of contiguous spiral case 4 one end of deflection cone 6 is greater than the cross-sectional area of contiguous rectification leaf 5 one end, be example as described in Figure 2, on above-below direction, the cross-sectional area of the lower end of deflection cone 6 is greater than the cross-sectional area of upper end, deflection cone 6 plays gathering effect to air-flow like this, can improve thus wind speed.In addition,, for driving the motor 31 that blower fan 3 rotates can be located at deflection cone 6, by being set, deflection cone 6 can provide an effective fixing body for motor 31.
Particularly, can be axial flow blower according to the blower fan 3 of the embodiment of the present invention or can be also diagonal flow fan.In the time that blower fan 3 is axial flow blower, casing air outlet 13 is preferably formed on the top of casing 1; In the time that blower fan 3 is diagonal flow fan, casing air outlet 13 is preferably formed on the side surface on casing 1 top.Can make like this air-out more reasonable, smooth and easy.
Below with reference to Fig. 3-Fig. 7, describe in detail according to the deflector 8 of the embodiment of the present invention.As shown in Fig. 3-Fig. 7, deflector 8 is tabular, and deflector 8 is relative with casing air inlet 12, as shown in Figure 3, deflector 8 is relative in the horizontal direction with casing air inlet 12, and the wind entering from casing air inlet 12 can flow to the lower end of spiral case 4 under the guiding of deflector 8.
Wherein, the horizontal plane at the lower limb place of the contiguous casing air inlet 12 in lower end of deflector 8, that is to say, the lower end of the lower end of deflector 8 and casing air inlet 12 is roughly equal apart from the height on ground, the wind entering from casing air inlet 12 like this, after entering in air channel 11, can be subject to the guiding function of deflector 8 at once, can avoid wind to flow into the outer surface 82(of deflector 8 away from the direction of spiral case 4 axis from the lower end of deflector 8) and casing inner wall 16 between space in, enter intake in spiral case 4 thereby reduce.In other words, deflector 8 can also play gathers wind action, can improve to a certain extent so the effective intake entering in spiral case 4.Wherein, heat exchanger 2 is between casing air inlet 12 and deflector 8, and the wind entering from casing air inlet 12 thus first after the heat exchange of heat exchanger 2, then under the guiding of deflector 8, upwards flows.
Deflector 8 is connected to the lower end of spiral case 4 and to downward-extension, here it should be noted that, described " to downward-extension " can be to extend straight down, also can be downward-sloping extension, that is to say that deflector 8 can extend by the vertical direction, certainly deflector 8 also can have in the direction of certain angle and extend with vertical direction, for example deflector 8 can extend from the edge of spiral case air inlet 42 421 in outside (away from the direction of spiral case 4 axis) inclination downwards, or deflector 8 also can downwards inwardly (directions of contiguous spiral case 4 axis) inclination extension from the edge of spiral case air inlet 42 421.
Due to reasons such as the physical dimensions of practical set, spiral case 4, between the edge 421 of the spiral case air inlet 42 in actual indoor apparatus of air conditioner 100 and casing inner wall 16, more or less can there is gap, for example the gap H in 4.Mobile air-flow can produce larger eddy current near the H of this gap from bottom to top thus, and intake efficiency can reduce, and can cause noise to increase, and affects user's comfortableness.The present inventor finds after simulation through software flow, and air-flow enters after spiral case air inlet 42, can be near near formation eddy current (as shown in Figure 8) inner surface 81 of spiral case 4.
According to the indoor apparatus of air conditioner 100 of the embodiment of the present invention, by the edge 421 at spiral case air inlet 42, deflector 8 is set, thereby can guide air flow direction, near air flow direction spiral case air inlet 42 reaches unanimity, air intake smooth and easy (as shown in Figure 9), after being set, deflector 8 can eliminate near the most of eddy current of spiral case 4 air inlets, improve intake efficiency, reduce noise, and can effectively change the frequency distribution of noise, and then can play the effect of improving tonequality, and deflector 8 is simple in structure, is easy to produce, assembling.
To sum up, according to the indoor apparatus of air conditioner 100 of the embodiment of the present invention, noise is low, and tonequality is good, and simple and reasonable.
In certain embodiments, as shown in Figure 3, projection in horizontal plane is semicircle and opening direction is relative with heat exchanger 2 in the upper end of deflector 8, particularly, the upper end of deflector 8 overlaps with the projection of spiral case air inlet 42 in horizontal plane, suppose that spiral case air inlet 42 is projected as circle in horizontal plane, the upper end of deflector 8 is projected as semicircle in horizontal plane, and the radius of the upper end of deflector 8 equals the radius of spiral case air inlet 42.
Particularly, as shown in Figure 4, the upper end of the inner surface 81 of deflector 8 is concordant with the edge of spiral case air inlet 42 421 inner surfaces 81, when the wind guiding through deflector 8 so upwards flows along deflector 8, the intersection at the upper end of deflector 8 and the edge 421 of spiral case air inlet 42 can be flow through smoothly, the adverse effect to air flow direction can be avoided.
In certain embodiments, deflector 8 can downwards inwardly (directions of contiguous spiral case 4 axis) extension from the lower end of spiral case 4.Alternatively, the agent structure of deflector 8 can be that arc is tabular, and arc protrudes to the axis direction away from spiral case 4.Wherein, the size on above-below direction of deflector 8 can equal the size of casing air inlet 12 on above-below direction substantially, and the wind entering from casing air inlet 12 like this can be all via deflector 8 water conservancy diversion, and the flow direction of air-flow is more consistent, and noise reduction is better.
Advantageously, the free end rounding off of deflector 8, as shown in Figure 3 and Figure 4, the lower end rounding off of deflector 8, optional scheme can be free end chamfering or the rounding at deflector 8, and air-flow is when through deflector 8 like this, and round and smooth free end can reduce the disturbance to air-flow.
Alternatively, as shown in Fig. 3-Fig. 7, the surface of contiguous spiral case 4 axis directions of the inner surface 81(of deflector 8) can be plane or arcwall face, can make like this simple in structure of deflector 8, easily manufacture the water conservancy diversion better effects if of deflector 8.Advantageously, on the inner surface 81 of deflector 8, can be provided with flow deflector 83, can further play guiding function to air-flow by flow deflector 83 is set.Particularly, flow deflector 83 extends along the vertical direction and from the inner surface 81 of deflector 8 to projecting inward, is understandable that, flow deflector 83 is strip, and the length of flow deflector 83 can be substantially equal to the length of deflector 8.Flow deflector 83 from the inner surface 81 of deflector 8 to projecting inward altitude range is: 20-60mm, be that size between the root of flow deflector 83 and the free end of flow deflector 83 can be 20-60mm, can utilize like this flow deflector 83 spaced apart to the air-flow of contiguous deflector 8 inner surfaces 81, guiding function is better.
Preferably, flow deflector 83 is multiple and interval setting on the inner surface 81 of deflector 8, and particularly, multiple flow deflectors 83 in the horizontal direction interval arrange.Alternatively, the quantity of flow deflector 83 can be 2-7.Can make thus water conservancy diversion better effects if.
Advantageously, flow deflector 83 is integrally formed with deflector 8, and particularly, flow deflector 83 and deflector 8 can be working of plastics and be integrally formed by injection moulding mode, or flow deflector 83 and deflector 8 can be sheet metal components and be integrally formed by the mode such as punching press, stretching.Can make thus the structure of flow deflector 83 and deflector 8 more stable, long service life.
Preferably, the outer surface 82(of deflector 8 is away from the surface of spiral case 4 axis directions) and/or the surface of contiguous spiral case 4 axis directions of inner surface 81() strengthening rib strip 84 be provided with, in example as shown in Figure 6, the outer surface 82 of deflector 8 is provided with multiple strengthening rib strips 84, can improve thus the structural strength of deflector 8.Strengthening rib strip 84 can be laterally extending, can be also extending longitudinally, and strengthening rib strip 84 can be uniformly distributed on the outer surface of deflector 8 82.
Alternatively, as shown in Figure 5, at least a portion of the bottom of deflector 8, can be formed with the portion of dodging 85.Particularly, casing 1 inside can arrange electric-controlled box, in the consideration of stability is installed, electric-controlled box can be located at casing 1 bottom, because electric-controlled box has certain volume, therefore on deflector 8, can be provided with the portion that dodges 85 for dodging electric-controlled box, can make thus the structural configuration of casing 1 inside more reasonable, optimize.
According to other configuration examples of the indoor apparatus of air conditioner 100 of the embodiment of the present invention as the concrete structure of heat exchanger 2, blower fan 3 etc. and operation be all known for those of ordinary skills, here no longer describe in detail.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. an indoor apparatus of air conditioner, is characterized in that, comprising:
Casing, has the air channel being in communication with the outside in described casing, described casing is provided with casing air inlet and casing air outlet;
Spiral case, described spiral case is located in described air channel, and the lower end of described spiral case is that spiral case air inlet and upper end are spiral case air outlet;
Deflector, described deflector is connected to the lower end of described spiral case and to downward-extension, described deflector is relative with described casing air inlet, the horizontal plane at the lower limb place of the contiguous described casing air inlet in lower end of described deflector; And
Heat exchanger, described heat exchanger is located in described air channel and between described casing air inlet and described deflector.
2. indoor apparatus of air conditioner according to claim 1, is characterized in that, the projection in horizontal plane is semicircle and opening direction is relative with described heat exchanger in the upper end of described deflector.
3. indoor apparatus of air conditioner according to claim 1, is characterized in that, described deflector extends internally downwards from the lower end of described spiral case.
4. indoor apparatus of air conditioner according to claim 1, is characterized in that, the upper end of the inner surface of described deflector is concordant with the edge inner surface of described spiral case air inlet.
5. indoor apparatus of air conditioner according to claim 4, is characterized in that, the inner surface of described deflector is plane or arcwall face.
6. indoor apparatus of air conditioner according to claim 4, is characterized in that, the inner surface of described deflector is provided with flow deflector, and described flow deflector extends and along the vertical direction from the inner surface of described deflector to projecting inward.
7. indoor apparatus of air conditioner according to claim 6, is characterized in that, described flow deflector from the inner surface of described deflector to projecting inward altitude range is: 20-60mm.
8. indoor apparatus of air conditioner according to claim 7, is characterized in that, described flow deflector is multiple and interval setting on the inner surface of described deflector.
9. indoor apparatus of air conditioner according to claim 1, is characterized in that, at least a portion of the bottom of described deflector, is formed with the portion of dodging.
10. according to the indoor apparatus of air conditioner described in any one in claim 1-9, it is characterized in that, outer surface and/or the inner surface of described deflector are provided with strengthening rib strip.
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| CN201410127725.7A CN103939984A (en) | 2014-03-31 | 2014-03-31 | Indoor unit of air conditioner |
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| CN201410127725.7A CN103939984A (en) | 2014-03-31 | 2014-03-31 | Indoor unit of air conditioner |
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| CN106287936A (en) * | 2015-06-09 | 2017-01-04 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN106403040A (en) * | 2016-11-03 | 2017-02-15 | 珠海格力电器股份有限公司 | Air conditioner air outlet structure and air conditioner |
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| CN110887211A (en) * | 2019-11-15 | 2020-03-17 | 青岛海尔空调器有限总公司 | Air conditioner shutter assembly and air conditioner |
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Application publication date: 20140723 |