CN1137626A - Ceiling-mounted type air conditioner - Google Patents
Ceiling-mounted type air conditioner Download PDFInfo
- Publication number
- CN1137626A CN1137626A CN96107440A CN96107440A CN1137626A CN 1137626 A CN1137626 A CN 1137626A CN 96107440 A CN96107440 A CN 96107440A CN 96107440 A CN96107440 A CN 96107440A CN 1137626 A CN1137626 A CN 1137626A
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- air
- heat exchanger
- ceiling
- housing
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Abstract
An object of the present invention is to make a housing for a ceiling-mounted type air conditioner small-sized without decreasing the performance and capacity of the air conditioner, and particularly to decrease the length of the housing in the depth direction, thereby facilitating the installation of the air conditioner and improving the room appearance. To achieve the above object, a heat exchanger is bent into a doglegged shape, the bent portion thereof is convex to the air inlet side, and the heat exchanger is inclined so as to be raised on the air inlet side. A cross flow fan rotating around a horizontal axis is disposed on the downstream side of the heat exchanger.
Description
The present invention relates to a kind of ceiling-mounted type air conditioner.
An example of general expression ceiling-mounted type air conditioner is shown in Fig. 3.
In this manual, " preceding " is meant the left of drawing, and " back " is meant the right-hand of drawing.
In housing 03, form and go out 05 mouthful gas channel 06 from air intlet 04 to air.Gas channel 06 is equipped with sirocco fan 07 and heat exchanger 08, and heat exchanger 08 is contained in the downstream of fan 07 in the inclination mode that rises towards the place ahead.
Drain pan 09 is located under the heat exchanger 08, and the import grid is located at air and is advanced 04, and grid 011 is located at air outlet slit.Label 012 is represented sidewall.
At the air-conditioner duration of work, from the pipe of refrigerant heat exchanger 08 of outdoor installation (not shown) supply, circulate, the direction of arrow of the rotor 07A in the sirocco fan 07 is rotated.
Therefore, pass import grid 010 enters air duct through air intlet 04 room air by the rotor 07A of sirocco fan 07 through openings at two ends suction fan shell 07B, and discharge by tap 07C.
Then, between the fin of air heat exchanger 08 in the process of flowing by cools down or heating, refrigerant is flowing in the pipe in the heat exchanger.Process is loaded on the guiding of the grid 011 of air outlet slit 05 then, and air is blown in the chamber.
In recent years, this air-conditioner requires miniaturization always.Though taked various measures to satisfy above-mentioned requirements, be difficult to further reduce the size of this air conditioner.
In above-mentioned common air-conditioner, the heat exchanger 08 in housing 03 is difficult for being exposed to the outside, and this has just produced the problem that needs with artificial and time cleaning heat exchanger.
In addition, the problem of common air-conditioning device is that housing 03 is high, and the pressure loss of passing the room air of air duct 06 is high.
The container that an object of the present invention is to make the air-conditioner shell miniaturization and do not reduce performance and air-conditioner particularly will reduce the shell dimension at depth direction.
Another object of the present invention is to save the import grid by reducing suction space and air intlet.
Another object of the present invention is the aerodynamic performance that improves at the air intlet place.
A purpose is to expose heat exchanger so that cleaning heat exchanger in of the present invention.
Another object of the present invention is the pressure loss that reduces by air duct.
Another object of the present invention is that the noise that air-conditioner causes is reduced to minimum.
The invention solves the problems referred to above, therefore, the invention provides a kind of ceiling-mounted type air conditioner, wherein, be provided with air intlet, be provided with air outlet slit in the front portion of housing at the outstanding rear portion that is loaded on the lower part of frame of ceiling; Heat exchanger and fan are installed the air duct from air intlet to air outlet slit in housing; Again sent into indoor by the room air of air intake suction by cools down or heating by fan, wherein heat exchanger is crooked, be dog leg shape, its sweep is protruding in air inlet side, heat exchanger tilts, air inlet side is higher, is located at the downstream of heat exchanger around the cross flow fan of horizontal axis rotation.
Between the rear end of the lower plate of the lower end of the back plate of housing and housing, preferably be provided with the air intlet that need not the import grid.
Between air intlet and heat exchanger, air cleaner is installed along the inclination mode that heat exchanger is best.
The lower end of plate is preferably outwards slick and sly crooked behind the housing.
In addition, the invention provides a kind of ceiling-mounted type air conditioner, wherein, air intlet is located at the outstanding rear portion that is loaded on the lower housing portion of ceiling, and air outlet slit is located at the front portion of housing; Heat exchanger and fan are installed in the housing the air duct from air intlet to air outlet slit; Pass through of cooling or the heating of the room air of air intake suction by fan through over-heat-exchanger, send into indoorly by air outlet slit, wherein, heat exchanger is crooked, be dog leg shape, its sweep is protruding in air inlet side, and heat exchanger tilts, and the place is higher at air intlet, be located at the downstream of heat exchanger around the cross flow fan of horizontal axis rotation, one drain pan also as the lower plate of housing, is installed under the heat exchanger, so that can unload from housing.
Preferably integrally form the flow straightener of cross flow fan in the drain pan front portion.
Air intlet is preferably formed as in behind drain pan rear end and the housing between the plate lower end, and the best slick and sly bending in drain pan rear end raises up.
In addition, the invention provides a kind of ceiling-mounted type air conditioner, wherein, the fan hub of cross flow fan, its at least the narrowest part in gap between fan hub and cross flow fan be to make by the sound-absorbing material of porous, form air layer at the trailing flank of porous sound absorbing material.
This air layer is preferably between porous sound absorbing material rear surface and the housing upper plate and forms.
Preferably be provided with a recess on the rear surface of porous sound absorbing material, air layer is preferably formed by a space segment, and this space segment is to make the both sides of above-mentioned recess contact and form with the lower surface of upper plate.
In the present invention, room air passes through the air intlet air suction channel by cross flow fan, and is heated or cooled in the process that flows through the heat exchanger that curves dog leg shape, sends in the chamber by air outlet slit thereafter.
In air-conditioner of the present invention, when air-conditioner was worked, the room air that enters air duct by air intlet was cooled in flowing through the process of heat exchanger or heats, and then, is sent into indoor by air outlet slit by cross flow fan.
The drain pan of pulling down also as lower plate promptly exposes heat exchanger.
In air-conditioner of the present invention, in the cross flow fan course of work, the noise that the narrowest place, the gap between cross flow fan and fan hub produces is weakened by porous sound absorbing material and air layer.
According to preferred embodiment of the present invention, a kind of ceiling-mounted type air conditioner is provided, wherein, air intlet is located at the outstanding rear portion that is loaded on the lower housing portion of ceiling, and air outlet slit is located at the front portion of housing; A heat exchanger and a fan are contained in the housing the air duct from air intlet to air outlet slit; Fan is drawn into air by air intlet, by cools down or heating, and send into indoor by air outlet slit, wherein, heat exchanger tilts, and is higher in air inlet side, and a cross flow fan around the horizontal axis rotation is located at the downstream of heat exchanger, also the drain pan as the housing lower plate is contained under the heat exchanger, can pull down from housing.
In addition, according to another preferred embodiment of the present invention, provide a kind of ceiling-mounted type air conditioner, wherein, air intlet is located at the outstanding rear portion that is loaded on the lower part of frame of ceiling, and air outlet slit is located at the housing front portion; One heat exchanger is installed in the higher inclination mode of air inlet side, and a cross flow fan around the horizontal axis rotation is located at the downstream of heat exchanger; The room air that is sucked by cross flow fan is by heat exchanger heats or cooling, send into indoor again by air outlet slit, wherein, the fan hub of cross flow fan, the narrowest part in its gap between fan hub and cross flow fan is made by the porous sound absorbing material, forms an air layer at porous sound absorbing material rear side.
Now as follows to Brief Description Of Drawings:
Fig. 1 is the vertical profile schematic diagram according to the air-conditioner of first embodiment of the invention;
Fig. 2 is the vertical profile schematic diagram according to the air-conditioner of second embodiment of the invention;
Fig. 3 is the vertical profile schematic diagram of common ceiling-mounted type air conditioner.
Fig. 1 represents the air-conditioner according to first embodiment of the invention.
-housing 3 is by the hanging bolt 2 outstanding ceilings 1 that are loaded on.One air enters 4 mouthfuls of rear portions in housing 3 bottoms and forms, and an air outlet slit 5 forms in the front portion of housing 3.
In housing 3, form an air duct 6 that goes out 5 mouthfuls from air intlet 4 to air.Air duct 6 is provided with-heat exchanger 8 and-be located at heat exchanger 8 downstreams, the cross flow fan 7 that rotates around horizontal axis.
A drain pan 9 that also is used as the lower plate 3A of housing 3 is located under the heat exchanger 8.In the drain pan front portion, the flow straightener 15 of cross flow fan 7 and drain pan 9 whole formation.The rear end 3D of drain pan 9 is slick and sly crooked to raise up.Air intlet 4 is located between the lower end 3E of back plate 3B of rear end 3D and housing 3.Be contained on the housing 3 drain pan 9 detachables, can use common it is pulled down from housing 3.
In the air-conditioner course of work, circulate in the pipe 8a of heat exchanger 8 by the refrigerant of outdoor loading amount (not shown) supply, cross flow fan rotates along the direction of arrow b.
Therefore, room air enters air duct 6 by air intlet 4, and indoor aerial contained dust is captured by it in the process that flows through air cleaner 13.
Then, when air flows through between the fin of heat exchanger 8,, and be cooled and heat with flowing refrigerant heat exchange in the pipe 8 of heat exchanger.
Air is sucked and gives energy by cross flow fan 7, then, is blown into indoorly by air outlet slit 5, and blowing direction is regulated by grid 11.
In this air-conditioner, heat exchanger 8 crooked dog leg shapes, its sweep is protruding in air inlet side, heat exchanger 8 tilts, air intlet 4 one sides are higher, therefore, the length of heat exchanger 8 on depth direction (right side of drawing, left to) can reduce and the unlikely air duct area that reduces heat exchanger 8.Therefore, the length of drain pan 9 on depth direction can be reduced.
In addition, because employed is the cross flow fan 7 that rotates around horizontal axis, thereby no longer need common sirocco fan 07 necessary fan hub 07B shown in Figure 3, therefore, no longer need the discharge orifice 07C of fan hub 07B and the preset distance between the heat exchanger 08, make cross flow fan 7 can be installed in the top of heat exchanger 8 front ends.Like this, compare, can significantly reduce the length of the installing space of cross flow fan 7 in degree of depth side with the common air-conditioning device.
In addition, because cross flow fan 7 is arranged on the downstream of the heat exchanger 8 that curves dog leg shape, thereby compares with the common air-conditioning device, can significantly reduce the length of suction space on depth direction.Therefore, the length of air intlet 4 on depth direction can be shortened, and air cleaner 13 is between air intlet 4 and heat exchanger 8, is obliquely installed along heat exchanger 8.Therefore, no longer need to use any device to improve outward appearance, yet in the common air-conditioning device, import grid 010 but is equipped with at 04 place at air intlet.
The rear end 3D of the lower plate 3A of housing 3 forms slick and sly curved surfaces, and the lower end 3E of the back plate 3B of housing 3 goes up slick and sly crooked.When such formation air intlet 4, room air advances 4 mouthfuls of air suction channels 6 by air smoothly, and therefore, aerodynamic performance improves.
The lower plate 3A of housing 3 and upper plate 3C make with sound-absorbing material, and the shape of the inner surface of these plates is suitable for the fan hub of cross flow fan 7, thereby have improved the aerodynamic performance of cross flow fan and reduced its noise.
In this air-conditioner, heat exchanger 8 tilts, and air inlet side is higher, is arranged on the top of heat exchanger 8 front ends around the cross flow fan 7 of horizontal axis rotation.Therefore, compare the height that can reduce housing 3 with the common air-conditioning device.
Pull down the drain pan 9 that also is used as lower plate from housing 3, just expose the upstream side of heat exchanger 8 downwards, that is, heat exchanger 8 is on the whole surface of air inlet side.Therefore, housing 3 is still outstanding when being contained on the ceiling 1 just can be easily, cleaning heat exchanger 8 promptly.
The rear end 3D of drain pan 9 is slick and sly crooked to raise up, air intlet 4 forms between the lower end 3E of drain pan 3D and lower plate 3B, thereby can reduce the contraction of room air at air intlet 4 places, thereby can reduce the pressure loss of room air, make a large amount of room airs air suction channel 6 smoothly.
By wall attachment effect, the room air that sucks is directed to along the slick and sly curved surface of drain pan 9 rear end near the drain pan 9, therefore, makes a large amount of air flow into the bottom of the heat exchanger 8 that curves dog leg shape, the part of Qing Xieing very, thus the heat exchange performance of this part is given full play to.
When at the whole formation of drain pan 9 front ends flow straightener 15, can increase air capacity by heat exchanger 8 front ends, in addition, number of parts is reduced, thereby can reduce the expense of flow straightener 15 and artificial assembling thereof.In addition, when pulling down drain pan 9, can easily clean cross flow fan.
Fig. 2 represents the air-conditioner according to second embodiment of the invention.
The fan hub 20 of cross flow fan 7 is made by the porous sound absorbing material.On the rear surface of the narrowest part in the gap between fan hub 20 and the cross flow fan 7, be provided with a recess 21, the both sides of recess 21 are contacted with the lower surface of the upper plate 3C of housing 3, form a space segment, thereby form air layer 22.
Other structure is same as shown in Figure 1, and corresponding part uses identical label.
As mentioned above, in the air-conditioner of first embodiment, when cross flow fan 7 rotated in air-conditioner work, narrow place, the gap between cross flow fan 7 and fan hub produced noise sometimes, and noise goes out 5 oral instructions by air intlet 4 and air and goes into indoor.
In a second embodiment, when cross flow fan 7 rotated, the narrowest place, the gap between cross flow fan 7 and fan hub produced noise.But noise is weakened when passing many apertures of porous sound absorbing material, expands when entering air layer 22 and is further weakened.
In embodiment illustrated in fig. 2, whole fan hub 20 is made by the porous sound absorbing material.Perhaps have only cross flow fan 7 and and fan hub 20 between the narrowest place, gap make by the porous sound absorbing material.
In addition, if drain pan is made by sound-absorbing material, noise can further reduce.
In the present invention, heat exchanger curves dog leg shape, and its sweep is protruding in air inlet side, is installed in the downstream of heat exchanger around the cross flow fan of horizontal axis rotation.Therefore, heat exchanger is in the length of depth direction, the length of installing space on depth direction of cross flow fan, and suction space and the length of air intlet on depth direction all can reduce.Therefore, compare with the common air-conditioning device, the length of housing on depth direction can significantly reduce, thereby the installing space that reduces housing is to improve the outward appearance in room.
Because air intlet forms between the rear end of the lower end of plate behind the housing and housing lower plate, thereby no longer needs the import grid, thereby has saved manufacturing expense.
Because air cleaner between air intlet and heat exchanger, is installed in the inclination mode along heat exchanger, therefore, air cleaner can be installed easily, and contained dust can be caught by air cleaner in room air.
Because the lower end of plate is outwardly-bent sleekly behind the housing, the aerodynamic performance of air intlet is improved, thereby makes room air air suction channel successfully.
In addition, in the present invention, because heat exchanger tilts, air inlet side is higher, and is installed in the downstream of heat exchanger around the cross flow fan of horizontal axis rotation, thereby can reduce the height of housing.
In addition, pull down the drain pan that also is used as lower plate, can expose heat exchanger downwards, be contained on the ceiling and housing is still outstanding from housing.Therefore, heat exchanger can be cleaned easily and promptly.
The rear end of drain pan is crooked sleekly raising up, and air intlet forms between the lower end of the rear end of drain pan and back plate.Therefore, room air can be reduced in the contraction at air intlet place, thereby can reduce the pressure loss of room air, makes a large amount of room airs air suction channel successfully.
By wall attachment effect, near room air caused drain pan along the drain pan rear end surface of smooth curved, therefore, the air capacity of inflow heat exchanger was big, therefore can give full play to the heat exchange performance of heat exchanger.
When flow straightener in that drain pan is anterior whole when forming, can increase by heat exchanger front end flow air amount.In addition, number of parts is reduced, and flow straightener cost and assembling thereof manually can be reduced.In addition, when pulling down the drain pan that also is used as following newspaper from housing, can easily clean cross flow fan.
In addition, in the present invention, in cross flow fan work, the noise that the narrowest part in the gap between cross flow fan and fan hub produces is weakened by porous sound absorbing material and air layer, thereby has reduced to import into indoor noise.
Owing to be provided with recess at the back side of porous sound absorbing material, and the recess both sides contact the space generation air layer of formation with housing upper plate lower surface, thereby can make things convenient for and form at low cost air layer.
Claims (10)
1. ceiling-mounted type air conditioner, wherein, an air intlet is located at the outstanding rear portion that is contained in the lower part of frame on the ceiling, and an air outlet slit is located at the front portion of described housing; One heat exchanger and a fan are installed in the described housing, from described air intlet to the air duct of described air outlet slit; The room air that is sucked by described air intlet by fan is by described cools down or heating, be blown into by described air outlet slit indoor,
Wherein, described heat exchanger curves dog leg shape, and its sweep is protruding in air inlet side, and described heat exchanger is to tilt, and makes air inlet side higher, and a cross flow fan around the horizontal axis rotation is located at the downstream of described heat exchanger.
2. according to the described ceiling-mounted type air conditioner of claim 1, it is characterized in that: between the rear end of the lower plate of the lower end of the back plate of described housing and described housing, form an air intlet that need not the import grid.
3. according to the described ceiling-mounted type air conditioner of claim 1, it is characterized in that: an air cleaner is installed between described air intlet and the described heat exchanger in the inclination mode along described heat exchanger.
4. according to the described ceiling-mounted type air conditioner of claim 1, it is characterized in that: the circle bone ground, lower end of the lower plate of described housing is outwardly-bent.
5. ceiling-mounted type air conditioner, wherein, an air intlet is located at an outstanding rear portion that is contained in the lower part of frame on the ceiling, and an air outlet slit is located at the front portion of described housing; One heat exchanger and a fan are installed in the air duct, and described air duct forms in described housing, extend to described air outlet slit from described air intlet; The room air that is sucked by described air intlet by described fan is by described cools down or heating, be blown into by described air outlet slit indoor,
Wherein, described heat exchanger curves dog leg shape, its sweep is protruding in air inlet side, described heat exchanger tilts, make air inlet side higher, one cross flow fan around the horizontal axis rotation is located at the downstream of described heat exchanger, and a drain pan that also is used as the lower plate of described housing is installed under the described heat exchanger, can pull down from described housing.
6. according to the described ceiling-mounted type air conditioner of claim 5, it is characterized in that: the flow straightener of described cross flow fan is integrally formed in the front portion of described drain pan.
7. according to the described ceiling-mounted type air conditioner of claim 5, it is characterized in that: described air intlet forms between the lower end of the back plate of the rear end of described drain pan and described housing, and the rear end smooth curved of described drain pan is so that raise up.
8. according to claim 1 and 5 described ceiling-mounted type air conditioners, it is characterized in that: the fan hub of described cross flow fan, the narrowest part in its gap between described fan hub and described cross flow fan is made by the porous sound absorbing material, forms an air layer at the dorsal part of described porous sound absorbing material.
9. according to the described ceiling-mounted type air conditioner of claim 8, it is characterized in that: described air layer forms between the upper plate of the back side of described porous sound absorbing material and described housing.
10. according to the described ceiling-mounted type air conditioner of claim 9, it is characterized in that: form a recess at the back side of described porous sound absorbing material, make the both sides of recess contact formation one space segment with the lower surface of described upper plate, thereby form described air layer.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7155295A JPH08327137A (en) | 1995-05-30 | 1995-05-30 | Ceiling suspended air conditioner |
| JP155295/95 | 1995-05-30 | ||
| JP158670/95 | 1995-06-01 | ||
| JP7158670A JPH08327140A (en) | 1995-06-01 | 1995-06-01 | Ceiling suspended air conditioner |
| JP158671/95 | 1995-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1137626A true CN1137626A (en) | 1996-12-11 |
Family
ID=26483333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96107440A Pending CN1137626A (en) | 1995-05-30 | 1996-05-15 | Ceiling-mounted type air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1137626A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308153A (en) * | 2009-02-05 | 2012-01-04 | 三菱电机株式会社 | Indoor unit for air conditioner, and air conditioner |
| CN102313318A (en) * | 2010-06-30 | 2012-01-11 | 三洋电机株式会社 | Built-in type air conditioner |
| CN110462297A (en) * | 2017-04-07 | 2019-11-15 | 大金工业株式会社 | Damping unit |
| WO2020130796A1 (en) * | 2018-12-20 | 2020-06-25 | Daikin Research & Development Malaysia Sdn. Bhd. | A ceiling-suspended air conditioning unit |
| CN114364876A (en) * | 2019-07-25 | 2022-04-15 | 艾默生环境优化技术有限公司 | Electronic device enclosure with heat transfer element |
-
1996
- 1996-05-15 CN CN96107440A patent/CN1137626A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308153A (en) * | 2009-02-05 | 2012-01-04 | 三菱电机株式会社 | Indoor unit for air conditioner, and air conditioner |
| CN102308153B (en) * | 2009-02-05 | 2015-03-04 | 三菱电机株式会社 | Indoor unit for air conditioner, and air conditioner |
| US9982898B2 (en) | 2009-02-05 | 2018-05-29 | Mitsubishi Electric Corporation | Indoor unit of air conditioner and air conditioner including a heat exchanger on a downstream side of a blower |
| CN102313318A (en) * | 2010-06-30 | 2012-01-11 | 三洋电机株式会社 | Built-in type air conditioner |
| CN110462297A (en) * | 2017-04-07 | 2019-11-15 | 大金工业株式会社 | Damping unit |
| CN110462297B (en) * | 2017-04-07 | 2021-05-28 | 大金工业株式会社 | Humidity control unit |
| WO2020130796A1 (en) * | 2018-12-20 | 2020-06-25 | Daikin Research & Development Malaysia Sdn. Bhd. | A ceiling-suspended air conditioning unit |
| CN114364876A (en) * | 2019-07-25 | 2022-04-15 | 艾默生环境优化技术有限公司 | Electronic device enclosure with heat transfer element |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |