CN104807077A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN104807077A CN104807077A CN201410433935.9A CN201410433935A CN104807077A CN 104807077 A CN104807077 A CN 104807077A CN 201410433935 A CN201410433935 A CN 201410433935A CN 104807077 A CN104807077 A CN 104807077A
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- China
- Prior art keywords
- air
- wind
- heat exchange
- supply arrangement
- centrifugal fan
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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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
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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
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
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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 Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention discloses an indoor unit of an air conditioner. The indoor unit comprises an indoor unit body, a mounting part formed on the indoor unit body, a main air inlet, a mixed air outlet and a non-heat exchange air inlet; an air supplying device, a centrifugal fan and a volute are formed in the indoor unit body; the air supplying device comprises at least two air guide bodies which are sequentially arranged from front to back, and a through air channel of which the front and back are communicated is formed between the air guide bodies; a heat exchange air channel is formed between two adjacent air guide bodies; a centrifugal fan is a single-suction type fan, and an axis of the fan is parallel to that of the air supplying device; the air discharging part of the volute is toward the heat exchange air channel; an encircling part which encircles the heat exchange air channel is formed on the air discharging part of the volute; a mixed air cavity is formed between the encircling part and the heat exchange air channel. With the adoption of the indoor unit, the problems that the existing air conditioner with a mounting part is small in air supply quantity, the supplied air is not soft enough, and the air supply capacity is difficult to meet the requirements due to the use of a through flow fan, can be solved.
Description
Technical field
The invention belongs to air-conditioning technique field, specifically, relate to a kind of indoor apparatus of air conditioner.
Background technology
Existing wall-hanging, ceiling mounting type etc. has the indoor apparatus of air conditioner of installation portion when blowing, the air outlet blowout that the wind after heat exchanger heat exchange is directly offered under the effect of fan inside, from air-conditioning, and the wind blown out is all heat exchange wind.General, between heat exchanger and air outlet, extra air-supply arrangement is not set.A shortcoming of this air-conditioning is the wind owing to sending is all heat exchange wind, and air quantity is less, and indoor wind circulation rate is slow; Another shortcoming is that the wind sent is soft not, and especially in cooling mode, the cool breeze blown out directly blows to it user, and user feels uncomfortable.
In addition, the existing indoor apparatus of air conditioner with installation portion generally adopts axial-flow fan, and cross-flow fan air-supply air quantity is little, and draft capacity is difficult to meet the demands.
Summary of the invention
The object of this invention is to provide a kind of indoor apparatus of air conditioner, soft not and adopt axial-flow fan to make draft capacity be difficult to the problem met the demands to solve the existing air-conditioning air quantity wind that is few, that send with installation portion.
For achieving the above object, the present invention adopts following technical proposals to be achieved:
A kind of indoor apparatus of air conditioner, comprise indoor set body, be formed in the installation portion on described indoor set body and main air inlet, and be formed in the intrinsic heat exchanger of described indoor set, it is characterized in that, described indoor set body is also formed the outlet of mixing wind and non-heat exchange wind inlet, air-supply arrangement is formed in described indoor set body, centrifugal fan and spiral case, it is through that described air-supply arrangement includes at least two centres, there is the wind guiding member of front and back opening, be arranged in order before and after described wind guiding member, through air channel through before and after middle formation, described through air channel is communicated with the outlet of described mixing wind and described non-heat exchange wind inlet, heat exchange wind air channel is formed between wind guiding member described in adjacent two, described centrifugal fan is single inhalation type centrifugal fan, and the axis of its axis and described air-supply arrangement is parallel to each other, the outlet section of described spiral case, towards described heat exchange wind air channel, the outlet section of described spiral case is also formed the ring bag portion to heat exchange wind air channel described in described air-supply arrangement extension, ring bag, forms mixed wind chamber between described ring bag portion and described heat exchange wind air channel.
Indoor apparatus of air conditioner as above, described ring bag portion comprises the conduction part connecting, be positioned at air-supply top successively and the enlarged portion being positioned at end of blowing, described conduction part is connected with the outlet section of described spiral case, the end of described enlarged portion extends to described indoor set body, near or be connected against described indoor set body or with described indoor set body, described mixed wind chamber is formed between described enlarged portion and described heat exchange wind air channel.
Preferably, described enlarged portion relative to described air-supply arrangement flaring, forms the mixed wind chamber of inner chamber flaring from the top be connected with described conduction part to its end.
Indoor apparatus of air conditioner as above, described enlarged portion comprises with the straight line of the axis perpendicular to described air-supply arrangement for axisymmetric first enlarged portion of symmetry and the second enlarged portion, the first mixed wind chamber is formed between described first enlarged portion and described heat exchange wind air channel, form the second mixed wind chamber between described second enlarged portion and described heat exchange wind air channel, the described first mixed wind chamber and the described second mixed wind chamber are with described symmetry axis symmetry.
Indoor apparatus of air conditioner as above, described conduction part and formed described heat exchange wind air channel air intake described wind guiding member outer contour between minimum range be L1, described L1 is not less than 10mm.
Indoor apparatus of air conditioner as above, in the cross section of the axis perpendicular with described air-supply arrangement, air line distance L2 between the central point of described centrifugal fan and the central point of described air-supply arrangement is greater than the radius of described centrifugal fan and forms the outer contour of described wind guiding member and the ultimate range sum of described air-supply arrangement central point of described heat exchange wind air channel air intake, and is no more than radius and the outer contour of described wind guiding member of this formation described heat exchange wind air channel air intake and four times of the ultimate range sum of described air-supply arrangement central point of described centrifugal fan.
Indoor apparatus of air conditioner as above, in the cross section of the axis perpendicular with described air-supply arrangement, in the molded line of the snail tongue opposite side with described spiral case, the outlet section of described spiral case and the intersection point of described conduction part are a M1, with the molded line of described snail tongue homonymy, the outlet section of described spiral case and the intersection point of described conduction part are a M2, the air line distance of the central point of described some M1 and described centrifugal fan is L3, and described L3 is greater than the radius of described centrifugal fan and the air line distance be less than between the central point of described centrifugal fan and the central point of described air-supply arrangement.
Indoor apparatus of air conditioner as above, in the cross section of the axis perpendicular with described air-supply arrangement, line between the central point of described centrifugal fan and the central point of described air-supply arrangement and the angle between described symmetry axis are α, angle between the tangent line of described some M2 and described symmetry axis is β, angle between described some M1 and described symmetry axis is γ, meet: 0 °≤α≤60 °, 0 °≤β≤70 °, 0 °≤γ≤70 °.
Indoor apparatus of air conditioner as above, described mixing wind outlet is formed in the front of described indoor set body, described non-heat exchange wind inlet is formed in the back side of described indoor set body, described main air inlet is two, be respectively formed on two relative sides of described indoor set body, described heat exchanger is two, correspond to a described main air inlet respectively to arrange, described centrifugal fan is between two described heat exchangers, and two described main air inlets and two described heat exchangers are all with described symmetry axis symmetry.
Preferably, the minimum range between described spiral case and described heat exchanger is not less than 5mm.
Compared with prior art, advantage of the present invention and good effect are: the present invention arranges air-supply arrangement and centrifugal fan in the indoor apparatus of air conditioner with installation portion, the outlet section of centrifugal fan towards heat exchange wind air channel is formed the ring bag portion in ring bag heat exchange wind air channel, heat exchange wind in inner for indoor set air channel is carried out combing by the mixed wind chamber utilizing ring bag portion to be formed, buffering, then the circumferential direction along air-supply arrangement is evenly sent in air-supply arrangement, and evenly send along the through air channel circumferential direction of air-supply arrangement, can not only avoid causing forming condensation on air-supply arrangement because circumferential air intake is uneven, and the non-heat exchange wind that enough large negative pressure carrys out the outside non-heat exchange of introducing portion can be formed participate in the last air-out of air-conditioning in through air channel, increase the overall intake of air-conditioning, accelerate the flowing of room air, further increase the overall uniformity of room air.And such mixing air is comparatively soft, blows to user and can feel more comfortable with it, improve user's comfortableness experience effect.Thus, improve the air conditioning performance of such air-conditioning.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the front view of an indoor apparatus of air conditioner of the present invention embodiment;
Fig. 2 is along the sectional side elevation being parallel to air-supply arrangement axis direction in indoor apparatus of air conditioner of the present invention embodiment;
Fig. 3 is along the sectional side elevation perpendicular to air-supply arrangement axis direction in indoor apparatus of air conditioner of the present invention embodiment;
Fig. 4 is the enlarged diagram of part-structure in Fig. 3.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below with reference to drawings and Examples, the present invention is described in further detail.
First, a brief description is done to the technical term related in this detailed description of the invention: following mention each structural member forward and backward or left and right time, be to define relative to the position of user under structural member normal operating condition; When arrangement position for multiple structural member carries out forward and backward or left and right description, be also the device that formed with multiple structural member under normal operating condition relative to the definition that the position of user is done.Following heat exchange wind refer to from air-conditioning inside, through exchanger heat exchange after wind; Non-heat exchange wind refers to the wind from environment space residing for air-conditioning, is for heat exchange wind, is not the wind directly coming from heat exchanger; Mixing wind refers to the wind that heat exchange wind and non-heat exchange wind are mixed to form.
Refer to the embodiment that the present invention shown in Fig. 1 to Fig. 4 has the indoor apparatus of air conditioner of air-supply arrangement.Wherein, Fig. 1 is the front view of this embodiment, Fig. 2 and Fig. 3 is indoor apparatus of air conditioner along to be parallel to and perpendicular to the sectional side elevation of air-supply arrangement axis direction, Fig. 4 is the enlarged diagram of part-structure in Fig. 3 respectively.
As shown in Figure 1, Figure 2 and Figure 3, the indoor apparatus of air conditioner of this embodiment includes indoor set body 1.Specifically, indoor set body 1 comprises fore shell 11 and back cover 12, and both removably connect.Preferably, the orthographic projection of fore shell 11 and back cover 12 is circle, and also, fore shell outline line and back cover outline line (not marking in figure) are circle.Thus the orthographic projection of whole indoor set body 1 is also circular, makes whole indoor set unique outlook attractive in appearance, meets the personalized aesthetic requirement of user.But the orthographic projection of indoor set body 1 is not limited to circle, can also be the regular polygon that limit number is greater than 4, as regular pentagon, regular hexagon, octagon etc.
In this embodiment, back cover 12 is as the major part of indoor set body 1, and its thickness is greater than the thickness of fore shell 11.And the cylindrical structure of back cover 12 main body, centre surrounds larger spatial accommodation, in order to hold, to arrange the miscellaneous part of indoor set, as heat exchanger, centrifugal fan, drip tray, spiral case etc.Concrete parts and arrangement are see follow-up description.
Back cover 12 has installation portion 121, installation portion 121 has installed surface (not marking in figure).The indoor apparatus of air conditioner of this embodiment can be installed on metope by installation portion 121, forms wall-hanging air conditioner; Also can be installed on roof by installation portion 121, form ceiling-mounted air conditioner.And after indoor apparatus of air conditioner is installed, its installed surface will be attached to or close metope or roof.
Non-heat exchange wind inlet 124 is formed on back cover 12, on the back side of also i.e. indoor set body 1, on fore shell 11, on the front of also i.e. indoor set body 1, be formed with mixing wind outlet 111, and non-heat exchange wind inlet 124 and mixing wind export 111, and front and back are corresponding in position.Preferably, non-heat exchange wind inlet 124 with mix wind and export 111 and be circle.Be provided with air-supply arrangement 3 in inner at indoor set body 1, that also namely fore shell 11 and back cover 12 surround space, non-heat exchange wind inlet 124 is communicated with by air-supply arrangement 3 with mixing wind outlet 111.Main air inlet is formed on the cylinder side wall of back cover 12, on the side of also i.e. indoor set body 1.Specifically, main air inlet comprises the first main air inlet 122 be formed on back cover 12 left side wall and the second main air inlet 123 be formed on right side wall.
Air-supply arrangement 3 includes three from front to back, also namely from the wind guiding member that fore shell 11 is arranged in order toward back cover 12 direction, be respectively front end wind guiding member 31, middle wind guiding member 32 and rear end wind guiding member 33.These three wind guiding members that front and back are arranged in order are annular.Wherein, through in the middle of front end wind guiding member 31, there is former and later two openings, be respectively the outlet of mixing wind and air inlet (not marking in figure); Through in the middle of middle wind guiding member 32, there is former and later two openings, be respectively air outlet and air inlet (not marking in figure); Through in the middle of rear end wind guiding member 33, there is former and later two openings, be respectively air outlet and non-heat exchange wind inlet (not marking in figure).After being arranged in order before and after front end wind guiding member 31, middle wind guiding member 32 and rear end wind guiding member 33, the middle through air channel (not marking in figure) forming through all three wind guiding members in front and back.And mixing wind outlet 111 is communicated with by this through air channel with non-heat exchange wind inlet 124.Be formed with the first heat exchange wind air channel 34 between front end wind guiding member 31 and middle wind guiding member 32, be formed with the second annular heat between middle wind guiding member 32 and rear end wind guiding member 33 and exchange wind air channel 35.And these two heat exchange wind air channels are annular.
Below that is inner at indoor set body 1, air-supply arrangement 3 is provided with centrifugal fan 4, and centrifugal fan 4 is placed in spiral case 5.The spiral case outlet section 51 of spiral case 5 is arranged towards the heat exchange wind air channel of two in air-supply arrangement 3, spiral case outlet section 51 is formed extend to air-supply arrangement 3, the ring bag portion in ring bag two heat exchange wind air channels, form mixed wind chamber between ring bag portion and heat exchange wind air channel.Spiral case 5 and ring bag portion are formed from centrifugal fan 4 to the air channel of air-supply arrangement 3.Specifically, centrifugal fan 4 is single inhalation type fan, its motor postposition, is drawn in spiral case 5 through the first main air inlet 122 and the second main air inlet 123 from front by the wind of indoor set body 1 outside.As shown in Figure 2, the axis z1 of the air-supply arrangement 3 and axis z2 of centrifugal fan 4 is parallel to each other.Setting like this, the radius of centrifugal fan 4 by the restriction of indoor set body 1 thickness, can not can select the centrifugal fan 4 that radius is larger, to increase the air inducing ability of indoor apparatus of air conditioner.Ring bag portion comprises the conduction part connecting, be positioned at air-supply top successively and the enlarged portion being positioned at end of blowing, conduction part is connected with spiral case outlet section 51, the end of enlarged portion extends to indoor set body 1, near or be connected against indoor set body 1 or with indoor set body 1, mixed wind chamber is formed between described enlarged portion and described heat exchange wind air channel.Specifically, in the sectional side elevation of Fig. 3 perpendicular to air-supply arrangement axis direction, straight line AA ' is the straight line of the axis z1 perpendicular to air-supply arrangement 3, ring bag portion comprises with straight line AA ' for symmetrical first conduction part 611 and the second conduction part 612 of symmetry axis, and with this straight line straight line AA ' for symmetrical first enlarged portion 621 and the second enlarged portion 622 of symmetry axis.First conduction part 611 and the second conduction part 612 are positioned at the air-supply top in ring bag portion, and be connected with spiral case outlet section 51 respectively, the first enlarged portion 621 is connected with the first conduction part 611, and the second enlarged portion 622 is connected with the second conduction part 612.The first mixed wind chamber 631 is formed between the heat exchange wind air channel of the first enlarged portion 621 and air-supply arrangement 3, form the second mixed wind chamber 632 between the heat exchange wind air channel of the second enlarged portion 622 and air-supply arrangement 3, and the first mixed wind chamber 631 and the second mixed wind chamber 632 also with straight line AA ' for symmetry axis is symmetrical.First enlarged portion 621 and the second enlarged portion 622 can be closed by top seal portion 64 on the top away from spiral case outlet section 51, are closed in whole heat exchange wind air channel in air channel that ring bag portion and spiral case 5 formed.
Corresponding with two main air inlets and centrifugal fan 4, between the first main air inlet 122 and centrifugal fan 4, be provided with First Heat Exchanger 21, between the second main air inlet 123 and centrifugal fan 4, be provided with the second heat exchanger 22.Thus, form air draught type structure, effectively can reduce the noise of indoor set.And, the first main air inlet 122 and the second main air inlet 123 with straight line AA ' for symmetry axis is symmetrical, First Heat Exchanger 21 and the second heat exchanger 22 also with this straight line AA ' for symmetry axis is symmetrical.And then, ensure for air-supply arrangement 3, realize the even of both sides air intake and both sides heat exchange.
And, first enlarged portion 621 and the second enlarged portion 622 are from the top be connected with conduction part to its end, relative to air-supply arrangement 3 flaring, also i.e. direction flaring from bottom to top in Fig. 3 and Fig. 4, thus present fan-shaped, and make the equal flaring of inner chamber in the first mixed wind chamber 631 and the second mixed wind chamber 632.Specifically, in the sectional view shown in Fig. 3 and Fig. 4, the line distance of the first enlarged portion 621 and the second enlarged portion 622 horizontal direction up becomes large gradually from spiral case outlet section 51.For spiral case 5, preferably adopt log spiral or approximate log helix.For ring bag portion, preferably, the first enlarged portion 621 and the second enlarged portion 622 extend upwardly to indoor set body 1, and are connected with indoor set body 1 and form enclosed construction, then without the need to arranging top seal portion 64 again, it can substitute with indoor set body 1.Spiral case 5 and ring bag portion can be one-body molded; Also can divide body formed, then connect as one.
Preferred, the least significant end of spiral case 5 comes close to or in contact with the bottom of indoor set body 1.Thus can extend the length of the snail tongue 52 of spiral case 5, to form the conduction part of sufficient length on spiral case 5, the wind making centrifugal fan 4 blow out has sufficiently long static pressure and recovers runner, reduces noise.
After the air-supply arrangement 3 of said structure, centrifugal fan 4, spiral case 5 and ring bag portion are set in indoor set body 1, when indoor set runs, under the boosting of centrifugal fan 4, it is inner that indoor wind enters indoor set body 1 by the first main air inlet 122 and the second main air inlet 123, and accelerate to blow to heat exchanger and carry out heat exchange.Heat exchange wind after heat exchange is centrifuged fan 4 and is drawn in spiral case 5, and collect expansion and static pressure recovery through spiral case 5, part directly blows to the first heat exchange wind air channel 34 and the second heat exchange wind air channel 35 of air-supply arrangement 3 from the below of air-supply arrangement 3.Major part heat exchange wind enters into the first mixed wind chamber 631 and the second mixed wind chamber 632 under the guiding of conduction part, along enlarged portion, and carries out combing, the filling of air-flow in two symmetrical mixed wind chambeies; After mixed wind chamber is full, form the wind of left and right air quantity, wind speed equalization, the circumferential direction then along air-supply arrangement 3 evenly enters into two annular heats exchange wind air channels.Then, enter through air channel through two heat exchange wind air channels, and then evenly blow out from the circumferential direction of the mixing wind outlet front end wind guiding member 31 and the mixing wind outlet 111 on fore shell 11 through through air channel.Owing to becoming large from the heat exchange wind wind speed of each heat exchange wind air channel blowout, thus corresponding wind guiding member surface pressing is made to reduce and form negative pressure in through air channel.Outside indoor wind is as non-heat exchange wind, under the effect of negative pressure, non-heat exchange wind inlet from the non-heat exchange wind inlet 124 on back cover 12 and rear end wind guiding member 33 is entered through air channel, and the heat exchange wind blown out with heat exchange wind air channel formed mix wind after together with deliver to indoor.
Heat exchange wind evenly enters into each heat exchange wind air channel and through air channel, and exports 111 circumferencial directions blow out equably through through air channel and mixing wind.Can not only avoid causing because circumferential air intake is uneven forming condensation on air-supply arrangement 3, and the non-heat exchange wind that enough large negative pressure carrys out the outside non-heat exchange of introducing portion can be formed participate in the last air-out of air-conditioning in through air channel, ensure even suction and the diffusion of absorbing quantity, increase the overall intake of air-conditioning, accelerate the flowing of room air, further increase the overall uniformity of room air.And such mixing air is comparatively soft, blows to user and can feel more comfortable with it, improve user's comfortableness experience effect.Thus, improve the air conditioning performance of such air-conditioning.
For improving ring bag portion further to the combing effect of air-out uniformity, structural design is as follows more specifically for air-supply arrangement 3, spiral case 5 and ring bag portion:
See Fig. 3 and illustrated in Figure 4, in the cross section that the axis z1 with air-supply arrangement 3 is perpendicular, the central point of air-supply arrangement 3 is P1, formed in air-supply arrangement 3 heat exchange wind air channel air intake, also namely away from the outer contour 37 of each wind guiding member of the one end in through air channel for circular, its ultimate range with center point P 1, be also the radius of outer contour 37 be R1.The central point of centrifugal fan 4 is P2, and the radius of centrifugal fan 4 is R2.Air line distance L2 between the center point P 1 of air-supply arrangement 3 and the center point P 2 of centrifugal fan 4 meets: (R1+R2) <L2≤4(R1+R2), realize in the drainage district ensureing spiral case 5 is formed with certain length while static pressure recovers, can also avoid causing because drainage section length is excessive wind loss large, affect air-out volume.
In addition, in the sectional view shown in Fig. 3 and Fig. 4, with the molded line of snail tongue 52 opposite side, the intersection point of spiral case outlet section 51 and the second conduction part 612 is a M1; With the molded line of snail tongue 52 homonymy, the intersection point of spiral case outlet section 51 and the first conduction part 612 is a M2.Point M1 and some M2 and formed heat exchange wind air channel air intake wind guiding member outer contour between minimum range, also namely equal with the distance between maximum outer contour 37, and be spiral case outlet section 51 and the minimum range of the wind guiding member outer contour of formation heat exchange wind air channel air intake.For a M2, the distance between some M2 and maximum outer contour 37 is L1, and L1 is not less than 10mm.And the air line distance between some M1 and the center point P 2 of centrifugal fan 4 is L3, L3 meets: R2<L3<L2.Also namely, L3 is greater than the radius of centrifugal fan 4 and the air line distance L2 be less than between the center point P 2 of centrifugal fan 4 and the center point P 1 of air-supply arrangement 3.And in spiral case 5, between its molded line and First Heat Exchanger 21 and the second heat exchanger 22, there is minimum range L4, and L4 should not be less than 5mm, guarantee, between spiral case 5 and the heat exchanger of the left and right sides, there is certain gap, the wind energy entered from main air inlet enough carries out heat exchange through all heat exchanger effective heat exchange areas, ensures heat exchange efficiency.Line P1P2 between the center point P 1 of air-supply arrangement 3 and the center point P 2 of centrifugal fan 4 and as symmetry axis straight line AA ' between angle be α, angle between the tangent line of some M2 and straight line AA ' is β, angle between the tangent line of some M1 and straight line AA ' is γ, meet: 0 °≤α≤60 °, 0 °≤β≤70 °, 0 °≤γ≤70 °, to ensure air-supply arrangement 3 air draught and air-out further evenly, and effectively avoid causing because angle is excessive forming airflow reflux in first mixed wind chamber 631 and the second mixed wind chamber 632.
Further, in this embodiment, more even for ensureing the wind that the first mixed wind chamber 631 and the second mixed wind chamber 632 are sent in air-supply arrangement 3, at least one heat exchange wind air channel of air-supply arrangement 3, distribution of air flow assembly 36 is set.Preferably, distribution of air flow assembly 36 is provided with in two heat exchange wind air channels of air-supply arrangement 3.Specifically, distribution of air flow assembly 36 is multiple, and with straight line AA ' for symmetry axis is symmetrical set.Each distribution of air flow assembly 36 is bent portions matching board, and the surface of each air distribution plate is arc curve face, effectively can guide wind direction, and reduces the crushing of air-flow in branching process and noise, realizes the high speed under low noise prerequisite, balanced ventilation.
Above embodiment only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment to invention has been detailed description, for the person of ordinary skill of the art, still can modify to the technical scheme described in previous embodiment, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention's technical scheme required for protection.
Claims (10)
1. an indoor apparatus of air conditioner, comprise indoor set body, be formed in the installation portion on described indoor set body and main air inlet, and be formed in the intrinsic heat exchanger of described indoor set, it is characterized in that, described indoor set body is also formed the outlet of mixing wind and non-heat exchange wind inlet, air-supply arrangement is formed in described indoor set body, centrifugal fan and spiral case, it is through that described air-supply arrangement includes at least two centres, there is the wind guiding member of front and back opening, be arranged in order before and after described wind guiding member, through air channel through before and after middle formation, described through air channel is communicated with the outlet of described mixing wind and described non-heat exchange wind inlet, heat exchange wind air channel is formed between wind guiding member described in adjacent two, described centrifugal fan is single inhalation type centrifugal fan, and the axis of its axis and described air-supply arrangement is parallel to each other, the outlet section of described spiral case, towards described heat exchange wind air channel, the outlet section of described spiral case is also formed the ring bag portion to heat exchange wind air channel described in described air-supply arrangement extension, ring bag, forms mixed wind chamber between described ring bag portion and described heat exchange wind air channel.
2. indoor apparatus of air conditioner according to claim 1, it is characterized in that, described ring bag portion comprises the conduction part connecting, be positioned at air-supply top successively and the enlarged portion being positioned at end of blowing, described conduction part is connected with the outlet section of described spiral case, the end of described enlarged portion extends to described indoor set body, near or be connected against described indoor set body or with described indoor set body, described mixed wind chamber is formed between described enlarged portion and described heat exchange wind air channel.
3. indoor apparatus of air conditioner according to claim 2, is characterized in that, described enlarged portion relative to described air-supply arrangement flaring, forms the mixed wind chamber of inner chamber flaring from the top be connected with described conduction part to its end.
4. indoor apparatus of air conditioner according to claim 3, it is characterized in that, described enlarged portion comprises with the straight line of the axis perpendicular to described air-supply arrangement for axisymmetric first enlarged portion of symmetry and the second enlarged portion, the first mixed wind chamber is formed between described first enlarged portion and described heat exchange wind air channel, form the second mixed wind chamber between described second enlarged portion and described heat exchange wind air channel, the described first mixed wind chamber and the described second mixed wind chamber are with described symmetry axis symmetry.
5. indoor apparatus of air conditioner according to claim 2, is characterized in that, described conduction part and formed described heat exchange wind air channel air intake described wind guiding member outer contour between minimum range be L1, described L1 is not less than 10mm.
6. indoor apparatus of air conditioner according to claim 1, it is characterized in that, in the cross section of the axis perpendicular with described air-supply arrangement, air line distance L2 between the central point of described centrifugal fan and the central point of described air-supply arrangement is greater than the radius of described centrifugal fan and forms the outer contour of described wind guiding member and the ultimate range sum of described air-supply arrangement central point of described heat exchange wind air channel air intake, and be no more than radius and the outer contour of described wind guiding member of this formation described heat exchange wind air channel air intake and four times of the ultimate range sum of described air-supply arrangement central point of described centrifugal fan.
7. indoor apparatus of air conditioner according to claim 6, it is characterized in that, in the cross section of the axis perpendicular with described air-supply arrangement, in the molded line of the snail tongue opposite side with described spiral case, the outlet section of described spiral case and the intersection point of described conduction part are a M1, with the molded line of described snail tongue homonymy, the outlet section of described spiral case and the intersection point of described conduction part are a M2, the air line distance of the central point of described some M1 and described centrifugal fan is L3, described L3 is greater than the radius of described centrifugal fan, and the air line distance be less than between the central point of described centrifugal fan and the central point of described air-supply arrangement.
8. the indoor apparatus of air conditioner according to right 7, it is characterized in that, in the cross section of the axis perpendicular with described air-supply arrangement, line between the central point of described centrifugal fan and the central point of described air-supply arrangement and the angle between described symmetry axis are α, angle between the tangent line of described some M2 and described symmetry axis is β, and the angle between described some M1 and described symmetry axis is γ, meets: 0 °≤α≤60 °, 0 °≤β≤70 °, 0 °≤γ≤70 °.
9. indoor apparatus of air conditioner according to any one of claim 1 to 8, it is characterized in that, described mixing wind outlet is formed in the front of described indoor set body, described non-heat exchange wind inlet is formed in the back side of described indoor set body, described main air inlet is two, be respectively formed on two relative sides of described indoor set body, described heat exchanger is two, correspond to a described main air inlet respectively to arrange, described centrifugal fan is between two described heat exchangers, and two described main air inlets and two described heat exchangers are all with described symmetry axis symmetry.
10. indoor apparatus of air conditioner according to claim 9, is characterized in that, the minimum range between described spiral case and described heat exchanger is not less than 5mm.
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