CN1144977C - Air conditioner inlaid in ceiling - Google Patents
Air conditioner inlaid in ceiling Download PDFInfo
- Publication number
- CN1144977C CN1144977C CNB97110929XA CN97110929A CN1144977C CN 1144977 C CN1144977 C CN 1144977C CN B97110929X A CNB97110929X A CN B97110929XA CN 97110929 A CN97110929 A CN 97110929A CN 1144977 C CN1144977 C CN 1144977C
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- fan
- shield
- air
- mentioned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
-
- 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
-
- 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
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
Abstract
The present invention relates to a ceiling-embedded air conditioner where a fan 7 is fixed with the top 4a of a casing 4 of the air conditioner in which a heat exchanger 10 is laid out around this fan 7 and the air which is sucked by the air blow fan 7 being blown to the heat exchanger 10, is characterized in that a first intercepting plate for intercepting flow of air is disposed at a position between the top face 4a of the housing 4 and the air blow fan 7. A fan nozzle 13a is disposed on the inner periphery of a shroud of the air blow fan 7, and a second intercepting plate is disposed on the outer periphery of the shroud.
Description
The present invention relates to imbed the noise suppression technology of ceiling board type air conditioner.
Usually, the air conditioner of imbedding ceiling is a fixed turbine fan on the top of the shell of air conditioner, disposes heat exchanger around turbofan, will blow to above-mentioned heat exchanger by above-mentioned turbofan inhaled air.
The obstructed over-heat-exchanger of part air that in this air conditioner, can blow out by blowing fan, but between the end face of the shell of air conditioner and blowing fan, reflux, the by-pass flow of so-called wind caused.And in known such air conditioner of imbedding ceiling, the part air that is blown out by blowing fan does not flow to heat exchanger but sucks from blowing fan and guiding between the fan outlet of air and flows back in the suction inlet of blowing fan, suction inlet at this blowing fan causes so-called (wind is taken out and blown phenomenon), has confirmed that by experiment it is to cause that air conditioner produces the reason of noise that taking out of the by-pass flow of wind and wind blown.At present, though developed the various countermeasures that suppress noise, still have about 50db from the noise content that produces, reducing noise as much as possible is vital for the quality of air conditioner.
The objective of the invention is to eliminate above-mentioned problems of the prior art, and provide a kind of air that produces when sucking air that can reduce as far as possible to suck noise, also can suppress simultaneously will be when the air that blowing fan blows to heat exchanger be discharged the discharge noise.
In order to finish above-mentioned purpose, fixed turbine fan on the top of the shell of air conditioner of the present invention, around turbofan, dispose heat exchanger, to blow on the air conditioner of imbedding ceiling of above-mentioned heat exchanger by above-mentioned turbofan inhaled air, on the guard shield periphery of the outer casing top surface of above-mentioned air conditioner and position between the said fan or blowing fan, first or second shield will be set.
Imbed in the ceiling board type air conditioner above-mentioned, first shield is a ring-type.
Imbed in the ceiling board type air conditioner above-mentioned, first shield is positioned at the rotary motion trace of the blade of said fan.
Imbed in the ceiling board type air conditioner above-mentioned, make guiding suck the interior week of the fan outlet of air near the guard shield of blowing fan.
Imbed in the ceiling board type air conditioner above-mentioned, second shield and fan outlet are integral.
According to the present invention, owing between the end face of the shell of air conditioner and blowing fan, first shield is installed, utilize this shield, prevented backflow wind, noise can be reduced to below the present degree.According to the present invention, owing to make second shield extend to the periphery of the guard shield of blowing fan, utilize this second shield to prevent backflow wind, reduced the suction of wind, further the noise than present is low to make noise.
Fig. 1 is a sectional view of imbedding the basic comprising of ceiling board type air conditioner of the present invention.
Fig. 2 be the blowing fan of imbedding ceiling board type air conditioner shown in Figure 1 around decomposition diagram.
Fig. 3 is the noise measuring data when shield 100 is set.
Fig. 4 is the noise measuring data when shield 100 is not set.
Fig. 5 is the noise measuring data when shield 13b is set.
Fig. 6 is the noise measuring data when shield 13b is not set.
Below, with reference to description of drawings the preferred embodiments of the present invention.
In Fig. 1, symbol 1 is mounted in the air conditioner on the ceiling 2 in house, and so-called is the four-way box.
This air conditioner 1 is exposed to the decorative panel 5 on roof by the shell on the hanging bolt 3 that is suspended on the ceiling, and the chamber 6 (filter chamber) that is configured between this decorative panel 5 and the above-mentioned shell 4 constitutes.
The 7th, be configured in the blowing fan (turbofan) of the summary middle position in the shell 4, the 8th, drive the motor of this fan, this motor 8 is fixed on the end face 4a of shell 4 by installing component.The 10th, round the heat exchanger of this fan 7 configurations, the 11st, be configured in the drain pan of these heat exchanger 10 belows, form ventilation road 12 in the central on the position.13 are mounted in the intake panel below this drain pan 11.All side tongue 13a and outer circumferential side tongue 13b in forming on this intake panel 13 form hole 14 on the interior perimembranous of said fans outlet 13a.
This hole 14 is near the suction inlet 40 of fan 7.That is, ventilation road 12 internal separation are become primary side space 15 and secondary side space 16, fan 7 is configured in this ventilation road 12 by this intake panel 13.The below in primary side space 15 is suction inlets 17.The 18th, the air blow-off outlet, the 19th, be attached to the heat-insulating material on the inwall of shell 4.Central authorities at decorative panel 5 are provided with suction grid 20, and blow-off outlet 21 is set around this suction grid 20.
Wind direction alteration board 22 is configured in this blow-off outlet 21, and the 23rd, be configured in the top filter that sucks grid 20 inboards.
Air introduction part (opening) 51 is set in filter chamber 6, and these air introduction part 51 UNICOMs connect with conduit 53, and this UNICOM connects air with conduit 53 and imports with conduit 27.The central shaft of this air importing usefulness conduit 27 and air introduction part 51 is distance L1 only.If like this, owing to when connecting the air importing with conduit 27, this air imports and uses conduit 27 only is L2 apart from the top of ceiling 2, has therefore determined to connect by working space fairly simple.
28 are arranged on air imports with the force(d) (draft) fan device on the conduit 27, has held filter 29 and force(d) (draft) fan 30 in this force(d) (draft) fan device 28.The rotation of this force(d) (draft) fan 30 imports air in the shell 4.Connect this air and import the sidepiece that connects filter chamber 6 with the air introduction part 51 of conduit 27, and the suction space 25 of close transition 6.
By force(d) (draft) fan device 28 air is imported.At this moment, import the air that imports with conduit 27 by air and pass through to suck space 25, be imported in the filter chamber 6, there, mix, suck in the hole 14 on the intake panel 13 with the room air that flows through high performance filter 24.
If like this, because importing with conduit 27, air connects filter chamber 6, by this filter chamber air is imported, and owing to import by air and to flow into glossily in the suction inlet 17 of shell, therefore can reduce and flow through air and import with the interior ventilation of conduit 27 with conduit 27 leaked-in airs.Thereby, by increasing the import volume of air.In addition, do not disposing high-performance filter 24, when not needing to import air, filter chamber 6 reaches and the tube connector 52 of this UNICOM of filter chamber is unnecessary, and at this moment, air conditioner 1 is made of shell 4 and decorative panel 5.
The air conditioner of Gou Chenging like this, room air are pressed direction shown in Fig. 1 solid line and are flowed, to indoor cooling or heating.That is, discharge from the peripheral part of fan because of the centrifugal action of fan 7, flow through heat exchanger 10 from the room air that turbofan 7 is discharged, carry out heat exchange after, by the blow-off outlet 18 of shell 4 and the blow-off outlet 21 of decorative panel 5, and flow into indoor.
Yet, sometimes the part room air of discharging from turbofan 7 does not flow through heat exchanger 10, but reflux between the wheel hub 7a of the end face 4a of the shell 4 of air conditioner and turbofan 7 by direction shown in the dotted arrow (dotted arrow that Fig. 1 makes progress), cause so-called (bypass of wind).Should (bypass of wind) be the reason that air conditioner produces noise.
According to present embodiment, because air refluxes between the wheel hub 7a of the end face 4a of the shell 4 of air conditioner and turbofan 7, so as shown in Figure 2 ring-type first shield 100 is installed between the wheel hub 7a of the end face 4a of shell 4 and turbofan 7.This first shield 100 is iron plate being stamped to form, and the rising portions 100a of best first shield 100 disposes in the mode of the rotary motion trace that is positioned at the blade 7b on the wheel hub 7a that is fixed on turbofan 7.7c is the guard shield of turbofan 7.
Noise measuring data (48.3db) when Fig. 3 illustrates with first shield 100, Fig. 4 shows the noise measuring data (50.7db) when not having first shield.From Fig. 3, in 4 as can be known, when first shield is set, not bypass of wind, noise hangs down about 2.4db.So according to present embodiment, owing between the wheel hub 7a of the end face 4a of shell 4 and turbofan 7 ring-type first shield 100 has been installed as illustrated in fig. 2, so wind can bypass, thereby can reduce the caused noise of discharge effect of turbofan 7.
Abovely the present invention has been described, but the present invention is not limited to this embodiment according to an embodiment.For example, first shield is not limited to annular, as long as can prevent (wind bypass), any shape all can adopt.
In addition, such phenomenon can appear: the obstructed over-heat-exchanger 10 of a part of the room air of discharging from turbofan 7, but between the wheel hub 7a by fan outlet 13a and turbofan 7, with direction shown in the dotted line (the downward dotted line of Fig. 1), be back to the suction inlet 40 of fan 7, cause so-called (wind is inhaled into) phenomenon, (wind is inhaled into) is the another reason that produces the air conditioner noise.
According to present embodiment, in order air not to be back between the wheel hub 7a of the fan outlet 13a by intake panel 13 and turbofan 7 fan against the wind in 7 the suction inlet 40, as shown in Figure 1, axially extended circular outer periphery tongue 13b (hereinafter referred to as second shield) along turbofan 7 is set on the periphery of the guard shield 7c of turbofan 7.This second shield 13b and intake panel 13 integrally formed (resin), preferably the height of its highly basic and above-mentioned fan outlet 13a equates.
Noise measuring data (48.4db) when Fig. 5 illustrates with the second shield 13b, Fig. 6 shows the noise measuring data (49.6db) when not having the second shield 13b.From Fig. 5, in 6 as can be known, when second shield is set, not bypass of wind, noise hangs down about 1.2db.
So according to present embodiment, because the second shield 13b that extends vertically is set on the periphery of guard shield 7c, so wind is inhaled into seldom, like this, can reduce the caused noise of suction effect of turbofan 7.
Abovely the present invention has been described, but the present invention is not limited to this embodiment according to an embodiment.For example, though the second shield 13b is integral with intake panel 13, be not limited thereto, as long as can prevent (wind bypass), any shape all can adopt.In addition, be in imbedding the air conditioner of ceiling, to be illustrated, but the present invention do not limit the use of on the air conditioner of imbedding ceiling, applicable on the air-supply arrangement with guard shield yet.
And, if along two the shield 13b of upper and lower settings that fan 7 against the wind, 100, then self-evident, can obtain Overlay.
From as above explanation as can be known, according to the present invention, owing at the end face of shell with between the top of fan first shield has been installed against the wind, just can not cause so-called (wind bypass).Axially extended second shield along this fan is set on the periphery of the guard shield of blowing fan in addition, therefore so-called (wind is inhaled into) seldom, thereby can reduce the caused noise of suction effect of blowing fan.
Claims (9)
1. air conditioner of imbedding ceiling, fixed turbine fan on the top of the shell of air conditioner, around turbofan, dispose heat exchanger, to blow to above-mentioned heat exchanger by above-mentioned turbofan inhaled air, and it is characterized in that between the outer casing top surface of above-mentioned air conditioner and the said fan first shield being set.
2. the air conditioner of imbedding ceiling according to claim 1 is characterized in that the first above-mentioned shield is a ring-type.
3. the air conditioner of imbedding ceiling according to claim 1 is characterized in that first shield is positioned at the rotary motion trace of the blade of said fan.
4. air conditioner of imbedding ceiling, fixed turbine fan on the top of the shell of air conditioner, around turbofan, dispose heat exchanger, will blow to above-mentioned heat exchanger, it is characterized in that on the guard shield periphery of blowing fan, second shield being set by above-mentioned turbofan inhaled air.
5. the air conditioner of imbedding ceiling according to claim 4 is characterized in that making guiding to suck the interior week of the fan outlet of air near the guard shield of said fan.
6. the air conditioner of imbedding ceiling according to claim 5 is characterized in that the outlet of second shield and said fans is integral.
7. air conditioner of imbedding ceiling, fixed turbine fan on the top of the shell of air conditioner disposes heat exchanger around turbofan, will blow to above-mentioned heat exchanger by above-mentioned turbofan inhaled air, it is characterized in that
Have the outer casing top surface that is arranged on above-mentioned air conditioner and first shield between the said fan and
Be arranged on second shield on the guard shield periphery of blowing fan.
8. the air conditioner of imbedding ceiling according to claim 7 is characterized in that making guiding to suck the interior week of the fan outlet of air near the guard shield of said fan.
9. the air conditioner of imbedding ceiling according to claim 8 is characterized in that the outlet of second shield and said fans is integral.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60100/1996 | 1996-02-22 | ||
| JP8060100A JPH09229409A (en) | 1996-02-22 | 1996-02-22 | Air supply device and ceiling-embedded air conditioner using air supply device |
| JP60100/96 | 1996-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1178309A CN1178309A (en) | 1998-04-08 |
| CN1144977C true CN1144977C (en) | 2004-04-07 |
Family
ID=13132348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB97110929XA Expired - Fee Related CN1144977C (en) | 1996-02-22 | 1997-02-22 | Air conditioner inlaid in ceiling |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0791788B1 (en) |
| JP (1) | JPH09229409A (en) |
| CN (1) | CN1144977C (en) |
| DE (1) | DE69731417T2 (en) |
| ES (1) | ES2231830T3 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11211129A (en) * | 1998-01-30 | 1999-08-06 | Mitsubishi Electric Corp | Ceiling embedded type air conditioner |
| FR2775335B1 (en) * | 1998-02-23 | 2000-03-31 | Electricite De France | HEAT PUMP COMPRISING A CENTRIFUGAL REACTION FAN |
| JP3907983B2 (en) | 2000-09-05 | 2007-04-18 | エルジー エレクトロニクス インコーポレイティド | Turbo fan for air conditioner |
| JP4757725B2 (en) * | 2005-07-07 | 2011-08-24 | 三菱電機株式会社 | Air conditioner |
| JP4757730B2 (en) * | 2005-10-12 | 2011-08-24 | 三菱電機株式会社 | Air conditioner |
| KR20070064907A (en) * | 2005-12-19 | 2007-06-22 | 삼성전자주식회사 | Air conditioner |
| KR100826020B1 (en) | 2006-08-28 | 2008-04-28 | 엘지전자 주식회사 | Air conditioner |
| US20080230619A1 (en) * | 2007-03-21 | 2008-09-25 | Robert Kirby | Heating or heating and air conditioning unit with noise abatement feature and method of use |
| CN101592390B (en) * | 2008-05-26 | 2013-07-31 | 乐金电子(天津)电器有限公司 | Ventilation channel structure of ceiling type indoor unit of air conditioner |
| CN102734871B (en) * | 2012-07-03 | 2017-12-26 | 海尔集团公司 | Hidden type air conditioner indoor unit |
| CN103334960B (en) * | 2013-07-04 | 2016-04-20 | 佛山市南海九洲普惠风机有限公司 | A kind of top suction type ventilation fan |
| CN105546661B (en) * | 2016-02-19 | 2018-11-06 | 珠海格力电器股份有限公司 | Air conditioner |
| CN111442369A (en) * | 2019-01-17 | 2020-07-24 | 青岛海尔空调器有限总公司 | Ceiling type air conditioner indoor unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61280327A (en) * | 1985-05-10 | 1986-12-10 | Sanyo Electric Co Ltd | Heat exchanging unit |
| JP2823351B2 (en) * | 1990-11-28 | 1998-11-11 | 三洋電機株式会社 | Heat exchange unit |
| JPH06159719A (en) * | 1992-11-30 | 1994-06-07 | Sanyo Electric Co Ltd | Air-conditioning machine |
-
1996
- 1996-02-22 JP JP8060100A patent/JPH09229409A/en active Pending
-
1997
- 1997-02-20 ES ES97102807T patent/ES2231830T3/en not_active Expired - Lifetime
- 1997-02-20 DE DE69731417T patent/DE69731417T2/en not_active Expired - Lifetime
- 1997-02-20 EP EP97102807A patent/EP0791788B1/en not_active Expired - Lifetime
- 1997-02-22 CN CNB97110929XA patent/CN1144977C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1178309A (en) | 1998-04-08 |
| EP0791788A2 (en) | 1997-08-27 |
| EP0791788A3 (en) | 1999-05-12 |
| DE69731417D1 (en) | 2004-12-09 |
| ES2231830T3 (en) | 2005-05-16 |
| JPH09229409A (en) | 1997-09-05 |
| DE69731417T2 (en) | 2005-10-20 |
| EP0791788B1 (en) | 2004-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040407 Termination date: 20140222 |