CN105698267A - Wall-hung air conditioner with drainage structure - Google Patents
Wall-hung air conditioner with drainage structure Download PDFInfo
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- CN105698267A CN105698267A CN201410702936.9A CN201410702936A CN105698267A CN 105698267 A CN105698267 A CN 105698267A CN 201410702936 A CN201410702936 A CN 201410702936A CN 105698267 A CN105698267 A CN 105698267A
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Abstract
The invention discloses a wall-hung air conditioner with drainage structure. The wall-hung air conditioner comprises an indoor unit; the indoor unit includes a shell; a cross flow fan and a heat exchanger are formed in the shell; a strip-shaped air outlet is formed in the shell; an air guide port is formed in a back volute, provided with an air supply flue of the main cross flow fan, along the length direction of the air outlet; and an induced draft fan is arranged above the shell, and is communicated with the air guide port through an air guide channel. The wall-hung air conditioner can solve the problems of insufficient softness of exhaust and low air supply quantity in a traditional wall-hung air conditioner.
Description
Technical field
The invention belongs to air-conditioning technique field, specifically, relate to a kind of wall-hanging air conditioner, more specifically, relate to a kind of wall-hanging air conditioner with flow guiding structure。
Background technology
The air-supply process of the indoor set of existing split type wall-hanging air conditioner is as follows: indoor air is as non-heat exchange wind, enter under the effect of axial-flow fan in indoor set, forming heat exchange wind after heat exchanger heat exchange, heat exchange wind blows out from air outlet under the effect of axial-flow fan。Thus, the wind that air outlet blows out is entirely heat exchange wind。The sent wind of this air supply mode is entirely the wind after heat exchanger heat exchange, the relative room air temperature difference is bigger, make air-out soft not, it is directly blown onto with user and feels uncomfortable, especially in cooling mode, the leaving air temp of air outlet is relatively low, blows to and feels extremely uncomfortable with user, it is easy to produce air conditioning disease。On the other hand, owing to air inlet mode is single, causing air-supply air quantity less, indoor air circulation speed is slow, and it is long that room air reaches design temperature required time, and power consumption is big。
Summary of the invention
It is an object of the invention to provide a kind of wall-hanging air conditioner with flow guiding structure, to solve the problem that existing wall-hanging air conditioner air-out is soft not, air-supply air quantity is few。
For achieving the above object, the present invention adopts following technical proposals to be achieved:
A kind of wall-hanging air conditioner with flow guiding structure, including indoor set, described indoor set includes housing, described housing is formed axial-flow fan and heat exchanger, it is formed with strip air outlet on the housing, on the rear spiral case forming described cross-flow fan air-supply air channel, being formed with air-vent along the length direction of described air outlet, side is provided with air-introduced machine on the housing, and described air-introduced machine is connected with described air-vent by air-inducing passage。
Wall-hanging air conditioner as above, described air-inducing passage includes being positioned at the first passage portion of described hull outside and being positioned at the second channel portion of described enclosure interior, the air intake in described first passage portion is closed with the air outlet of described air-introduced machine and is connected, being formed with the opening suitable with described air-vent in described second channel portion, described opening is towards described air-vent。
Preferably, described second channel portion closes with described air-vent and is connected。
Wall-hanging air conditioner as above, described first passage portion includes the first segmental arc being sequentially communicated, vertical section and the second segmental arc；Described first segmental arc is extended to the lateral part of described housing by the air outlet of described air-introduced machine, and forms outlet air end straight down；Described vertical section closes, to described second segmental arc, the outlet air end bore convergent being connected from the air intake being connected with described first segmental arc closing；Described second segmental arc is extended to the air intake in described second channel portion by the outlet air end of described vertical section。
The preferred air intake bore of described vertical section is 1:1-2:1 with the ratio of outlet air end bore
Wall-hanging air conditioner as above, in the rear on spiral case, it is formed with spiral case opening along the length direction of described air outlet, described spiral case opening is formed with air inducing assembly, described air-vent is several, formed on described air inducing assembly, or formed on described air inducing assembly and described spiral case opening。
Wall-hanging air conditioner as above, in the cross section being perpendicular to described axial-flow fan axis, described spiral case opening has the first end near described air outlet and the second end away from described air outlet, line L1 is formed between described first end and described axial-flow fan axle center, line L2 is formed between described second end and described axial-flow fan axle center, described axial-flow fan axle center is made vertical line to the installed surface on described case and is formed L3, on along L1 to L2 to the direction of L3, angle α is formed between L1 and L2, angle β is formed between L2 and L3, described angle α and described angle β meet: 0 °≤α≤90 °, 0 °≤β≤90 °。
Wall-hanging air conditioner as above, the distance H between described first end and described second end of described spiral case opening meets: 70mm≤H≤150mm。
Wall-hanging air conditioner as above, described air inducing assembly includes the multiple air inducing grids being sequentially arranged at intervals along described rear spiral case trend, is formed with described air-vent between adjacent two air inducing grids。
Wall-hanging air conditioner as above, described air inducing grid include being positioned on described rear spiral case inlet pressure first and towards deviating from second of described supply air duct direction bending, described second is γ with the angle of described L3, and described angle γ meets: 0 °≤γ≤60 °。
Preferably, multiple described air inducing grids are sequentially connected with, and form the described air inducing assembly of integral structure。
Preferably, described air inducing assembly is detachable is assemblied in described spiral case opening part。
Compared with prior art, advantages of the present invention and having the benefit effect that
The present invention forms air-vent on the rear spiral case in cross-flow fan air-supply air channel, it is provided above air-introduced machine at housing, air-introduced machine is connected with air-vent by air-inducing passage, air-introduced machine is utilized actively to be sent in cross-flow fan air-supply air channel through air-inducing passage and air-vent by substantial amounts of for outside non-heat exchange wind, it is mixed to form with the heat exchange wind in supply air duct and mixes wind, mixing wind delivers to indoor through air outlet, mixing wind is comparatively soft, blow to and with user, can feel more comfortable, improve user's comfortableness experience effect。And, utilize the structure of the present invention to blow, absorbing quantity is big, significantly increases the air output of air outlet, helps speed up flowing velocity and the uniformity of room air, reduces room air and reach the time needed for design temperature and energy consumption。
After reading in conjunction with the accompanying the specific embodiment of the present invention, the other features and advantages of the invention will become clearer from。
Accompanying drawing explanation
Fig. 1 is the axonometric chart that the present invention has one embodiment of indoor set of the wall-hanging air conditioner of flow guiding structure；
Fig. 2 is the internal structure schematic diagram of Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the front view of flow guiding structure in an embodiment；
Fig. 5 is the axonometric chart of Fig. 4 flow guiding structure；
Fig. 6 is the partial internal structure schematic diagram that the present invention has another embodiment of indoor set of the wall-hanging air conditioner of flow guiding structure；
Fig. 7 is the axonometric chart of part-structure in Fig. 6。
Detailed description of the invention
In order to make the purpose 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。
Referring to the one embodiment of the present of invention shown in Fig. 1 to Fig. 5, the present invention has an embodiment of the indoor set of the wall-hanging air conditioner of flow guiding structure specifically。
Wherein, Fig. 1 is the axonometric chart of this embodiment indoor set；Fig. 2 is Fig. 1 internal structure schematic diagram；Fig. 3 is the front view of Fig. 1, and Fig. 4 and Fig. 5 is front view and the axonometric chart of flow guiding structure in this embodiment respectively。
In conjunction with Fig. 1 to illustrated in Figure 5, the indoor set 100 of this embodiment wall-hanging air conditioner includes housing 1, is provided with axial-flow fan 3 and heat exchanger 4, is formed with strip air outlet 5 on housing, be formed with main air inlet 9 at the top of housing 1 in housing。When indoor set 100 works on power, under the effect of axial-flow fan 3, indoor non-heat exchange wind enters into enclosure interior from main air inlet 9, and delivers to heat exchanger 4 and carry out heat exchange。Heat exchange wind after heat exchange delivers to air outlet 5 through cross-flow fan air-supply air channel 6, is blown to indoor through air outlet 5 after。
Forming the rear spiral case 7 of supply air duct 6 near housing rear, this rear wall, as housing mounting surface 11, is used for arranging wallboard, and is installed on metope by indoor set 100 by wallboard。Rear spiral case 7 is formed with opening 71。Specifically, this opening 71 is as air-vent, and the length direction along air outlet 5 is formed on rear spiral case 7。Being provided above air-introduced machine 10 at housing 1, this air-introduced machine 10 is connected with the opening 71 as air-vent by air-inducing passage 2。Specifically, in this embodiment, air-introduced machine 10 is arranged on housing 1 upper right, does not block in the non-air intake district of main air inlet 9。And, air-introduced machine 10 is dual suction type centrifugal blower, has two air inlets, and the air intake direction of two air inlets is perpendicular to housing mounting surface 22, and the air outlet of air-introduced machine 10 is towards right side。
Having the indoor set 100 of said structure operationally, the heat exchange wind after heat exchanger 4 heat exchange, under the effect of axial-flow fan 3, accelerates to be sent to air outlet 5 through cross-flow fan air-supply air channel 6。Controlling air-introduced machine 10 to work, air-introduced machine 10 will suck outside substantial amounts of non-heat exchange wind, and will be delivered in supply air duct 6 through air-inducing passage 2 and opening 71 by non-for this part heat exchange wind。The non-heat exchange wind of this part forms mixing wind by mixing in supply air duct 6 with the heat exchange wind of flowing in supply air duct 6, and this mixing wind is blown to indoor through air outlet 5。Mixing wind is non-heat exchange wind and heat exchange wind to be mixed, and proper temperature is comparatively soft, blows to and can feel more comfortable with user, improves user's comfortableness experience effect。Being additionally, since opening 71 to be formed along the length direction of air outlet 5, aperture area is big, it is simple to a large amount of non-heat exchange wind sucked by air-introduced machine 10 is quickly sent in supply air duct 6。Thus, the heat exchange wind comparing simple, mixing wind air quantity is big, increases the air output of air outlet 5。Thus, help speed up flowing velocity and the uniformity of room air, reduce room air and reach the time needed for design temperature and energy consumption。
Concrete, in this embodiment, air-inducing passage 2 includes the first passage portion 21 being positioned at outside housing 1 and the second channel portion 22 being positioned at enclosure interior。First passage portion 21 includes the first segmental arc 211 being sequentially communicated, vertical section 212 and the second segmental arc 213。Wherein, the first segmental arc 211 is extended to the lateral part of housing 1 towards the air outlet on right side by air-introduced machine 10, and forms outlet air end straight down。The air intake of the first segmental arc 211, as the air intake in whole first passage portion 21, is closed with the air outlet of air-introduced machine 10 and is connected。Vertical section closes, to the air intake with the second segmental arc 213, the outlet air end bore convergent being connected from the air intake being connected with the outlet air end closing of the first segmental arc 211。Preferably, vertical section air intake bore is 1:1-2:1 with the ratio of its outlet air end bore。Preferred relative aperture is 3:2。Vertical section being set to bore convergent, has two purposes: one, passage reduces cross section of fluid channel and amasss, and improves fluid velocity；Its two, after runner convergent, it is possible to make air-flow gentle transition to back segment drainage channel and opening 71。Second segmental arc 213 is extended to the air intake in second channel portion 22 by the outlet air end of vertical section 212。And, the second segmental arc 213 forms the outlet air end of horizontally toward housing 1, it is achieved thereby that air outlet is drained into opening 71 place within housing 1 towards the air-supply that the air-introduced machine 10 outside housing 1 is outside。Second channel portion 22 includes linkage section 221 and the wind outlet section 222 of connection, linkage section 221 connects with the second segmental arc 213 in first passage portion 22, and wind outlet section 222 is formed the opening 2221 suitable with opening 71, this opening 2221 is towards opening 71, thus being delivered in supply air duct 6 through opening 71 by the wind in air-inducing passage 2。
It should be noted that the air-introduced machine 10 of this embodiment is centrifugal blower, but it is not limited to this, it is also possible to be axial flow blower or cross flow fan。When selecting different blower fan, drainage channel 2 remains unchanged, only need to according to the air intake of blower fan, air-out direction, reasonable arrangement blower fan position so that blower fan can non-heat exchange wind in suction chamber delivering in drainage channel 2。Additionally, the second segmental arc 213 in first passage portion 21 can be two-part structure with the linkage section 221 in second channel portion 22, it is also possible to for integral type structure。The preferred V-groove structure of wind outlet section 222 in second channel portion 22, the opening of V-groove is towards opening 71。
Referring to Fig. 6, this figure show the partial internal structure schematic diagram of another embodiment of indoor set that the present invention has the wall-hanging air conditioner of flow guiding structure, has the schematic diagram of the air-vent structure being different from first embodiment of Fig. 1 to Fig. 5 specifically。For simplifying structure, this Fig. 6 illustrate only partial internal structure figure, and the structure of all the other structures internal and air-introduced machine, drainage channel is referred to first embodiment。And, the internal structure schematic diagram shown in Fig. 6 show the sectional view being perpendicular to axial-flow fan 3 axis namely the sectional view being perpendicular to axial-flow fan 3 axis。
Referring to Fig. 6, in combination with the axonometric chart of part-structure in the Fig. 6 shown in Fig. 7, in the indoor set of this second embodiment, on rear spiral case 7, the length direction along air outlet 5 is formed with opening 71, being formed with air inducing assembly 8 on opening 71, air inducing assembly 8 has some air-vents。Corresponding with opening 71, air-vent is also formed along the length direction of air outlet 5。Opening 71 has the first end A of close air outlet 5 and away from the second end B of air outlet 5。That is, the lower edge that straight line is opening 71 at the first end A place, the upper edge that straight line is opening 71 at the second end B place。The axle center of axial-flow fan 3 is C, form line L1 between first end A and axle center C, form line L2 between the second end B and axle center C, and axle center C makes vertical line to housing mounting surface 11 and forms L3(in this Fig. 6, L3 is horizontal line, and overlap with L2), on the direction (being counterclockwise in Fig. 6) along L1 to L2 to L3, between L1 and L2, form angle α, angle β is formed (in this embodiment between L2 and L3, owing to L2 and L3 overlaps, angle is 0 °, thus does not mark β)。Wherein, angle α meets: 0 °≤α≤90 °；And angle β meets: 0 °≤β≤90 °。And, distance H(between the first end A and the second end B namely the length of line segment AB) meet: 70≤H≤150mm。As preferred embodiment, 30 °≤α≤60 °, 20 °≤β≤70 °, 90mm≤H≤120mm。
Limited by the angle of above-mentioned angle α and angle β so that opening 71 is limited to the correct position of rear spiral case 7, both can guarantee that the air velocity distribution at opening 71 place was stable, it is to avoid uneven air-out occurs, ensure that again the maximization of absorbing quantity。Restriction by the restriction of above-mentioned angle and opening two ends distance so that the size of opening 71 is more suitable, both can guarantee that best drainage effect, ensures again stablizing of air velocity distribution。
And, in this embodiment, air inducing assembly 8 includes three air inducing grids, respectively the first air inducing grid the 81, second air inducing grid 82 and the 3rd air inducing grid 83。These three air inducing grid is sequentially arranged at intervals from bottom to top along the trend of rear spiral case 7, it is formed with the first air-vent 84 between first air inducing grid 81 and the second air inducing grid 82, it is formed with the second air-vent 85 between second air inducing grid 82 and the 3rd air inducing grid 83, between the 3rd air inducing grid 83 and the second end B of opening 71, is formed with the 3rd air-vent 86。By arranging air inducing grid, it is ensured that the intensity of the supply air duct 6 that rear spiral case 7 is formed；And, it is simple to control multiple discontinuous air-vent by adjusting two air inducing Grill spaces, it is achieved air inducing uniformity in supply air duct 6。
As preferred embodiment, each air inducing grid adopts two-part structure。Specifically, for the second air inducing grid 82, it includes first 821 and second 822。Wherein, on first 821 molded line being positioned at rear spiral case 7, be equivalent to a part for rear spiral case 7, and second 822 bends towards deviating from supply air duct 6 direction (for towards housing mounting surface 11 direction in Fig. 6)。And, the angle γ that second is formed between 822 and L3 meets: 0 °≤γ≤60 °。The wind that drainage channel 2 is introduced by two sections of air inducing grid respectively carries out guiding drain so that smooth and easy the entering in supply air duct 6 of air inducing mixes。
And, in this embodiment, three air inducing grids in air inducing assembly 8 are sequentially connected with, and form the air inducing assembly of integral structure, and the air inducing assembly 8 of this integral structure is removably attached to opening 71 place。Thus so that air inducing assembly 8 can assemble as the individual components of indoor set 100, it is simple to processing, assembling and after-sales service。
Above example is only in order to illustrate technical scheme, but not is limited；Although the present invention being described in detail with reference to previous embodiment, for the person of ordinary skill of the art, still the technical scheme described in previous embodiment can be modified, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of present invention technical scheme required for protection。
Claims (12)
1. a wall-hanging air conditioner with flow guiding structure, including indoor set, described indoor set includes housing, described housing is formed axial-flow fan and heat exchanger, it is formed with strip air outlet on the housing, it is characterised in that on the rear spiral case forming described cross-flow fan air-supply air channel, be formed with air-vent along the length direction of described air outlet, side is provided with air-introduced machine on the housing, and described air-introduced machine is connected with described air-vent by air-inducing passage。
2. wall-hanging air conditioner according to claim 1, it is characterized in that, described air-inducing passage includes being positioned at the first passage portion of described hull outside and being positioned at the second channel portion of described enclosure interior, the air intake in described first passage portion is closed with the air outlet of described air-introduced machine and is connected, being formed with the opening suitable with described air-vent in described second channel portion, described opening is towards described air-vent。
3. wall-hanging air conditioner according to claim 2, it is characterised in that described second channel portion closes with described air-vent and is connected。
4. wall-hanging air conditioner according to claim 2, it is characterised in that described first passage portion includes the first segmental arc being sequentially communicated, vertical section and the second segmental arc；Described first segmental arc is extended to the lateral part of described housing by the air outlet of described air-introduced machine, and forms outlet air end straight down；Described vertical section closes, to described second segmental arc, the outlet air end bore convergent being connected from the air intake being connected with described first segmental arc closing；Described second segmental arc is extended to the air intake in described second channel portion by the outlet air end of described vertical section。
5. wall-hanging air conditioner according to claim 4, it is characterised in that the air intake bore of described vertical section is 1:1-2:1 with the ratio of outlet air end bore。
6. wall-hanging air conditioner according to any one of claim 1 to 5, it is characterized in that, in the rear on spiral case, it is formed with spiral case opening along the length direction of described air outlet, described spiral case opening is formed with air inducing assembly, described air-vent is several, formed on described air inducing assembly, or formed on described air inducing assembly and described spiral case opening。
7. wall-hanging air conditioner according to claim 6, it is characterized in that, in the cross section being perpendicular to described axial-flow fan axis, described spiral case opening has the first end near described air outlet and the second end away from described air outlet, line L1 is formed between described first end and described axial-flow fan axle center, line L2 is formed between described second end and described axial-flow fan axle center, described axial-flow fan axle center is made vertical line to the installed surface of described housing and is formed L3, on along L1 to L2 to the direction of L3, angle α is formed between L1 and L2, angle β is formed between L2 and L3, described angle α and described angle β meet: 0 °≤α≤90 °, 0 °≤β≤90 °。
8. wall-hanging air conditioner according to claim 7, it is characterised in that the distance H between described first end and described second end of described spiral case opening meets: 70mm≤H≤150mm。
9. wall-hanging air conditioner according to claim 6, it is characterised in that described air inducing assembly includes the multiple air inducing grids being sequentially arranged at intervals along described rear spiral case trend, is formed with described air-vent between adjacent two air inducing grids。
10. wall-hanging air conditioner according to claim 9, it is characterized in that, described air inducing grid include being positioned on described rear spiral case inlet pressure first and towards deviating from second of described supply air duct direction bending, described second is γ with the angle of described L3, and described angle γ meets: 0 °≤γ≤60 °。
11. wall-hanging air conditioner according to claim 9, it is characterised in that multiple described air inducing grids are sequentially connected with, form the described air inducing assembly of integral structure。
12. wall-hanging air conditioner according to claim 11, it is characterised in that described air inducing assembly is detachable is assemblied in described spiral case opening part。
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| CN201410702936.9A CN105698267A (en) | 2014-11-29 | 2014-11-29 | Wall-hung air conditioner with drainage structure |
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| CN201410702936.9A CN105698267A (en) | 2014-11-29 | 2014-11-29 | Wall-hung air conditioner with drainage structure |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106287946A (en) * | 2016-07-29 | 2017-01-04 | 青岛海尔空调器有限总公司 | Drainage type cabinet air-conditioner and mixed wind method |
| CN108019825A (en) * | 2016-11-02 | 2018-05-11 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN108019823A (en) * | 2016-11-02 | 2018-05-11 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN108317606A (en) * | 2018-02-14 | 2018-07-24 | 青岛海尔空调器有限总公司 | A kind of wall-hung indoor unit of air conditioner |
| CN108361838A (en) * | 2018-02-14 | 2018-08-03 | 青岛海尔空调器有限总公司 | A kind of wall-hung indoor unit of air conditioner |
| CN108397826A (en) * | 2018-03-12 | 2018-08-14 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN108469063A (en) * | 2018-03-12 | 2018-08-31 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN108759018A (en) * | 2018-05-21 | 2018-11-06 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit and its control method |
| WO2019029418A1 (en) * | 2017-08-07 | 2019-02-14 | 青岛海尔空调器有限总公司 | Wall-mounted air conditioner indoor unit |
| CN110553313A (en) * | 2018-05-30 | 2019-12-10 | 青岛海尔空调器有限总公司 | wall-mounted air conditioner indoor unit |
| WO2020177395A1 (en) * | 2019-03-05 | 2020-09-10 | 青岛海尔空调电子有限公司 | Air-conditioning air outlet device and air conditioner |
| CN113203128A (en) * | 2020-02-01 | 2021-08-03 | 广东美的制冷设备有限公司 | Window type air conditioner |
| WO2021151262A1 (en) * | 2020-02-01 | 2021-08-05 | 广东美的制冷设备有限公司 | Window type air conditioner |
| CN113465023A (en) * | 2021-05-31 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | Control method and device for improving heating comfort of air conditioner and air conditioner |
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| CN106287946A (en) * | 2016-07-29 | 2017-01-04 | 青岛海尔空调器有限总公司 | Drainage type cabinet air-conditioner and mixed wind method |
| CN106287946B (en) * | 2016-07-29 | 2019-11-05 | 青岛海尔空调器有限总公司 | Drainage type cabinet air-conditioner and mixed wind method |
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| CN108469063A (en) * | 2018-03-12 | 2018-08-31 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN108397826A (en) * | 2018-03-12 | 2018-08-14 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN108759018A (en) * | 2018-05-21 | 2018-11-06 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit and its control method |
| CN110553313A (en) * | 2018-05-30 | 2019-12-10 | 青岛海尔空调器有限总公司 | wall-mounted air conditioner indoor unit |
| WO2020177395A1 (en) * | 2019-03-05 | 2020-09-10 | 青岛海尔空调电子有限公司 | Air-conditioning air outlet device and air conditioner |
| CN113203128A (en) * | 2020-02-01 | 2021-08-03 | 广东美的制冷设备有限公司 | Window type air conditioner |
| WO2021151262A1 (en) * | 2020-02-01 | 2021-08-05 | 广东美的制冷设备有限公司 | Window type air conditioner |
| CN113465023A (en) * | 2021-05-31 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | Control method and device for improving heating comfort of air conditioner and air conditioner |
| CN113465023B (en) * | 2021-05-31 | 2022-10-14 | 宁波奥克斯电气股份有限公司 | Control method and device for improving heating comfort of air conditioner and air conditioner |
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