CN1304791C - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN1304791C CN1304791C CNB2003101130381A CN200310113038A CN1304791C CN 1304791 C CN1304791 C CN 1304791C CN B2003101130381 A CNB2003101130381 A CN B2003101130381A CN 200310113038 A CN200310113038 A CN 200310113038A CN 1304791 C CN1304791 C CN 1304791C
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- Prior art keywords
- air
- secondary fan
- outdoor
- filter
- running
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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
- F24F13/20—Casings or covers
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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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
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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
- F24F13/28—Arrangement or mounting of filters
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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
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention is aimed to solve the problems that air supply operation allows the introduction of outside air into a room but gives unpleasant feels to dwellers when the outside air is contaminated by various materials, and if the outside air is introduced into the room via a filter to solve this problem, an air cleaning filter provided in an air supply/exhaust unit brings about the air supply/exhaust unit to be wider and so its heat exchanger should be smaller resulting in a reduction in the capability of conditioning temperature/humidity as the originally basic purpose of an air-conditioner and the heat exchanger, and if not changed in size, it brings about an indoor unit to be larger in shape. An air supply filter 21 is provided through which outside air passes during air supplying operation. The rotating shaft of a sub-fan 19 is arranged in parallel to the rotating shaft of a main fan 9 so that the air suction face of the sub-fan 19 is not at a right angle to the air passage face of the air supply filter 21.
Description
Technical field
The air conditioner of running the present invention relates to take a breath.
Background technology
In recent years, the someone points out that the leak tightness between the residential area, family house increases, and the harmful substance that is contained in the construction material can exert an influence to human body.In addition, also has the problem that causes the gas concentration lwevel in the living space to increase because leak tightness increases.The problem that the air conditioner that these problems all become needs the adjusting room air solves.
This air conditioner is record to some extent in TOHKEMY 2000-274727 communique (patent documentation 1).This patent documentation 1 discloses a kind of split type air conditioner, it possesses a ventilation has assembled the changeable fan that just changes, reverses in the air channel, and the direction of rotation that has by the switching fan is discharged into room air outdoor degassing function, outdoor air is drawn into the unit of indoor air inlet function.
The intake and exhaust unit of above-mentioned patent documentation 1 record, (main fan is to be used for the DC fan that the heat exchanger of indoor machine of air conditioner ventilates by making secondary fan, the fan that correspondingly claims intake and exhaust to use is secondary fan) direction of rotation switch air supply direction from just forwarding to reverse, thereby carry out exhaust running and air inlet running.
When air inlet is turned round, though outdoor air is imported indoor, outdoor air by the polluted situation of various materials under, living reviver wherein then can be uncomfortable.In order to address this problem, it is indoor to consider to utilize filter that extraneous air is imported.Above-mentioned patent documentation 1 passes through by the filter that the secondary fan that makes air conditioner had both made air use from the air cleaner that is arranged in the carrier pipe when just changeing also in reverse, to address this problem.
But,,, then must enlarge the area of air cleanness filter if, make this air cleanness filter have corresponding performance with the air cleaner ventilating surface of filter and the driving shaft configured in parallel of secondary fan as this patent documentation 1.So, enlarge the width of intake and exhaust unit, just must the corresponding heat exchanger that reduces, thus humiture regulating power as the basic purpose of air conditioner has fallen.Under the situation that does not have to change in the size of heat exchanger, then can generating chamber in the big problem of cell configuration change.
In addition,,, will produce the flowing resistance when increasing exhaust, reduce the problem of discharged air amount because pass through air cleanness filter to outdoor air discharged carrying out room air under the situation of the exhaust running of outdoor discharging.
In addition, the air conditioner of patent documentation 1 does not have to consider to be configured in the filter of secondary fan unit and the maintainability in the carrier pipe.
Situation when in addition, the air conditioner of patent documentation 1 does not consider that secondary fan shuts down.
In addition, the air conditioner of patent documentation 1 only has air inlet running, the pattern of running of supplying gas, and does not consider other the running of secondary fan.
In addition, the air conditioner of patent documentation 1 does not consider that insect enters by situation such as in the outdoor intake and exhaust carrier pipe.
Summary of the invention
First purpose of the present invention is to provide a kind of air conditioner, and it possesses the secondary fan with air inlet function, degassing function, has both possessed air cleanness filter and has also possessed slim secondary fan unit.
Second purpose of the present invention is to provide a kind of air conditioner, and it possesses the secondary fan with air inlet function, degassing function, the flowing resistance when this air conditioner has alleviated the exhaust running.
The first above-mentioned purpose realizes in the following way: in air conditioner, have the air suction inlet and the air blow-off outlet that in rectangular indoor unit, form, be arranged between these air suction inlets and the air blow-off outlet and form the main fan of air channel, the heat exchanger that turns round this main fan and the room air that sucks from above-mentioned air suction inlet is carried out heat exchange, be arranged on the filter of upstream side of the air stream of this heat exchanger, be arranged in the above-mentioned indoor unit, and be connected the indoor peristome of indoor opening and at the outdoor peristome of outdoor opening, thereby form the housing of air channel in inside, be arranged on the air channel in this housing, and have by rotation and undertaken outdoor air is drawn into indoor air inlet running or room air is discharged into the secondary fan of outdoor exhaust running and the intake and exhaust unit of secondary fan motor, it is characterized in that: be provided with the air inlet filter that outdoor air passes through when above-mentioned air inlet is turned round at least, make the rotating shaft almost parallel configuration of the rotating shaft of above-mentioned secondary fan and above-mentioned main fan, it is out of square with the air of the filter angle configurations by face that the air of above-mentioned secondary fan sucks face and above-mentioned air inlet.
The second above-mentioned purpose realizes in the following manner: in air conditioner, have the air suction inlet and the air blow-off outlet that in rectangular indoor unit, form, be arranged between these air suction inlets and the air blow-off outlet and form the main fan of air channel, the heat exchanger that turns round this main fan and the room air that sucks from above-mentioned air suction inlet is carried out heat exchange, be arranged on the filter of upstream side of the air stream of this heat exchanger, be arranged in the above-mentioned indoor unit, and be connected the indoor peristome of indoor opening and at the outdoor peristome of outdoor opening, thereby form the housing of air channel in inside, be arranged on the air channel in this housing, and have by rotation and undertaken outdoor air is drawn into indoor air inlet running or room air is discharged into the secondary fan of outdoor exhaust running and the intake and exhaust unit of secondary fan motor, it is characterized in that: be provided with the air inlet filter that outdoor air passes through when above-mentioned air inlet is turned round at least, when above-mentioned air inlet is turned round, by this air inlet with filter with in the outdoor air suction chamber, and when above-mentioned exhaust is turned round, with filter room air is not discharged into outdoor by above-mentioned air inlet.
Description of drawings
Fig. 1 is the outside drawing of the indoor unit for air conditioner of one embodiment of the present of invention;
Fig. 2 is the outside drawing that unloads the state of Fig. 1 indoor unit decorative panel;
Fig. 3 is the A-A profile of Fig. 1;
Fig. 4 is the B-B profile of Fig. 1;
Fig. 5 is the outside drawing of secondary fan unit;
Fig. 6 is the stereogram of right plate that omits the secondary fan unit of Fig. 5;
Fig. 7 is the stereogram of a part of left plate that omits the secondary fan unit of Fig. 5;
Fig. 8 schematically represents the air flow graph of secondary fan unit shown in Figure 2;
Fig. 9 is the operating condition figure of expression secondary fan unit shown in Figure 2;
Air flow graph in secondary fan unit when Figure 10 is expression air inlet running;
Air flow graph in secondary fan unit when Figure 11 is expression exhaust running;
Air flow graph in secondary fan unit when Figure 12 is the expression cycle operation;
Figure 13 is cooling operation and the cycle operation of secondary fan unit or the key diagram of air inlet working order that merges the indoor unit that uses Fig. 1;
Figure 14 merges the heating of indoor unit of using Fig. 1 to turn round and the cycle operation of secondary fan unit or the key diagram of air inlet working order;
Figure 15 is the structure chart of air supply duct 12;
Figure 16 is the key diagram of outdoor ajutage 22;
Figure 17 is the figure when the secondary fan unit 15 of cleaning;
Figure 18 is the figure of expression air cleaner 8.
The specific embodiment
Below utilize accompanying drawing, each embodiment of air conditioner of the present invention is elaborated.
Utilize the overall structure of Fig. 1～4 pair air conditioner to describe.Fig. 1 is the outside drawing of indoor unit of the air conditioner of one embodiment of the invention, and Fig. 2 is the outside drawing of state that unloads the indoor unit decorative panel of Fig. 1, and Fig. 3 is the A-A profile of Fig. 1, and Fig. 4 is the B-B profile of Fig. 1.
The structure of indoor unit 1 possesses unit box 2, decorative panel 3, front panel 4.Upper and lower settings in indoor unit 1 suck the room air of regulating humiture air suction inlet 5, blow out the air blow-off outlet 6 of the room air of regulating humiture.Air blow-off outlet 6 laterally is arranged on the bottom of indoor unit 1, and secondary relatively blow-off outlet 13 constitutes main blow-off outlet.Rotary up-down wind direction board 7 is set in air blow-off outlet 6.This up-down wind direction board 7 is used to change the direction of blow out air, the time orientate along continuous straight runs as in refrigeration and blow out, and when heating, orientate as from below blow out.
Unit box 2 possesses air cleaner 8, main fan 9, heat exchanger 10, holdup pan 11.The configuration of air cleaner 8 makes the suction side of its cover heating interchanger 10, is used for removing the dust of the room air that is included in suction.Main fan 9 is made of horizontal DC fan, and is configured in the central authorities of indoor unit 1, makes room air suck from air suction inlet 5, and blows out from air blow-off outlet 6.Heat exchanger 10 is configured in the suction side of main fan 9, forms inverted v-shaped roughly.Holdup pan 11 is configured in the lower end below of the both sides, front and back of heat exchanger 10, the condensed water that in heat exchanger 10, produces when it is provided for being received in cooling operation or during the dehumidifying running, and be discharged into outdoor.Thus, form the main channel of the indoor air flows of carrying out air conditioning.That is, by making main fan 9 running, room air sucks from air suction inlet 5, by air cleaner 8, is undertaken being blown out to indoor from air blow-off outlet 6 after the heat exchange by heat exchanger 10.
Have again, in the present embodiment, main fan motor 14 is configured in the right side of indoor unit 1, secondary fan unit 15 is configured in the left side, also can obtain identical effect if dispose them on the contrary.In addition, do not have left-right symmetry, can dispose secondary fan unit 15 yet in a side of configuration main fan 14 from top view indoor unit 1.
Next, utilize the structure and the function of Fig. 5～7 pair secondary fan unit 15 to describe.Fig. 5 is the outside drawing of secondary fan unit, and Fig. 6 is the stereogram of right plate that omits the secondary fan unit of Fig. 5, and Fig. 7 is the stereogram of a part of left plate that omits the secondary fan unit of Fig. 5.
The structure of secondary fan unit 15 is, the first half of its inner space is as pressure fan portion, Lower Half disposes various filters, by they reduce width dimensions and can not enlarge the width dimensions of indoor unit 1 in above-below direction configuration, thereby secondary fan unit 15 can be housed in the indoor unit 1.
Secondary fan 19 is made of centrifugal fans such as multi blade fan, turbofan etc., even counter-rotating can not produce reverse wind yet.Even narrow air channel also can obtain high air flow by aerofoil fan.
The pressure fan portion that is positioned at the first half of secondary fan unit 15 possesses secondary fan 19, drive the secondary fan motor 20 of secondary fan 19, form the housing 15a of the air sucking side of secondary fan 19, when the air that forms secondary fan 19 blows out the air channel of side, accommodate secondary fan 19 and secondary fan motor 20 blow out side body 15b, separate suction side housing 15a and blow out side body 15b sealing ring 27, be positioned at the damper 129 of the suction side of suction side housing 15a, suck the secondary suction inlet 16 of room air, the air inlet air entry 24a that is communicated with porting 18.By the action open auxiliary suction inlet 16 of damper I 29 and any one party among the air inlet suction inlet 24a, close the opposing party.
In addition, secondary fan 19 and secondary fan motor 20 are housed in and blow out in the side body 15b, from mobile by secondary fan 19 being undertaken of suction side housing 15a to the air stream that blows out side body 15b.Secondary fan 19 is by from the longitudinally of indoor unit 1, i.e. axial suction air and constituting along the centrifugal fan that circumferencial direction blows out.With different to the screw ventilation that blows out inhaled air along fan shaft, if centrifugal fan because inhaled air blows out along circumferencial direction, thus the fan shaft that can dwindle secondary fan unit 15 to width dimensions.Secondary fan motor 20 is assembled into the recess of secondary fan 19, makes the width dimensions of secondary fan unit 15 diminish.By making damper I 29 actions that are arranged on suction side housing 15a, open opening is at indoor secondary suction inlet 16 or air inlet suction inlet 24a, and partition the opposing party.
The Lower Half of secondary fan unit 15 possesses: the air inlet of the pore that when removal is included in airborne dust, remove harmful material, in air cleaning machine, uses with filter 21, remove dust in the air prefilter 33, blow out portion 18, be discharged to the room air that pollutes outdoor or fresh outdoor air be drawn into indoor porting 18 to the indoor of secondary blow-off outlet 13 induced airs, the mobile damper II 31 of air is also controlled in air inlet circulation air path 26, the switching air channel of the air that blows out to indoor importing from secondary fan 19.The Lower Half of secondary fan unit 15 is identical with the first half, and from the space of top view about short transverse is divided into, the air inlet that moves through of the air in this space, left and right sides stream is carried out with filter 21 or exhaust duct 23.By the air channel that makes damper II 31 actions switch air stream, form open exhaust duct 23 and also cut off air inlet circulation air path 26, air channel that will be communicated with porting 18 from the air that secondary fan 19 blows out or partition exhaust duct 23, opening air inlet circulation air path 26 also blow out the air channel that portion 17 is communicated with indoor.
Air inlet is that the filter house of 0.5～1.0 μ m and the adsorption section (being specially active carbon) of absorption ozone constitute with filter 21 by the hole of filtering dust etc.In order to increase filter area and to reduce flowing resistance, and form the filter of sheet with thin folding (folding line).This air inlet possesses the performance of organic solvents such as the cigarette, toluene of fine particle in the emission gases that bag filter is contained in diesel locomotive, cigarette with filter 21.
Have again, in the present embodiment, when in the outdoor air suction chamber, use in filter 21 suction chambers by this air inlet.In recent years, in the city, outdoor atmosphere has contaminated tendency, and all contaminations swims in air.In addition, even in the countryside, organic solvent by near showy gasifications such as outer wall painting operation is for example arranged also, the main cause of the atmosphere pollutions such as cigarette ash that burn of suspending.Under this environment,, then can make the occupant uncomfortable with in the polluter suction chamber if extraneous air is imported.
Therefore, the air conditioner of present embodiment can be by manually or automatically selecting the air inlet running, make when secondary fan unit 15 (ventilating unit) action and the importing outdoor air, with filter 21, remove the material that in this filter capacity scope, can remove and also offer indoor by air inlet.
Thus, air is caused under the situation that the material that pollutes pollutes by above-mentioned without, because be drawn within doors after outdoor air can being become the air of cleaning, imports the discomfort of being brought so can alleviate outdoor air.
Have, as described later, the running of secondary fan unit 21 also has room air is discharged to outdoor exhaust running, sucks room air and turn back to indoor cycle operation except the air inlet running that imports outdoor air again.But exhaust running and cycle operation are not just carried out exhaust or circulation by air inlet with filter 21.
In addition, if this air inlet has the performance that can catch the virus from 0.3 μ m to 3 μ m sizes with filter 21, then can prevent the invasion of outside virus.
As shown in Figure 6, secondary fan unit 15 is from last, accommodate the secondary fan 19 of the axle almost parallel configuration that makes rotating shaft and main fan 9, face in the face of the prefilter 33 of the ventilating duct that is communicated with porting 18 and in the face of the air suction face of ventilating surface and secondary fan 19 at equidirectional, in other words, make the vertical line of the ventilating surface when folding and the air inlet usefulness filter 21 of the driving shaft almost parallel configuration of secondary fan 19 exactly.Like this, particularly, the width of secondary fan unit 15 is diminished,, also secondary fan unit 15 can be housed in the indoor unit 1 even the width of indoor unit 1 is not too thick by secondary fan 19 of configuration and air inlet filter 21.The ventilation dormancy of secondary fan 19 and air inlet are made with the ventilating surface of filter 21 and are not the right angle.Can make its attenuation when preferably making ambilateral vertical line parallel.
In addition, if prefilter 33 is because be mainly used in the dust of the larger particles that removal enters with the room outer air, so identical with the area of porting 18 opening surfaces, then will be plugged when air inlet at once.Therefore, in the present embodiment, as shown in Figure 6, be provided as the intake and exhaust air channel 25 in space, its porting 18 from backside openings is communicated with porting 18 to positive, its cross wall face is formed with the lid (suction side case lid 15c shown in Figure 5) that clogs it by suction side housing 15a, its upper wall surface is formed by the intake and exhaust air channel top board 25a that the upside end face from porting 18 extends to face side, is formed by the prefilter of installing between the space of space that forms on the suction side of air inlet with filter 21 and intake and exhaust air channel top board 21a side 33 below it.Thus, can enlarge the area of prefilter 33, and prolong the time of prefilter 33 before stopping up.Further, because strengthen the area of prefilter 33 and enlarge the area of air inlet with filter 21, from the porting 18 of top view as outdoor peristome, formation make it part or all fall into air inlet with in filter 21 (resettlement section) the above-below direction perspective plane, the face side end face in intake and exhaust air channel 25 is configured in secondary fan 19 and air inlet with between the filter 21.Like this, by porting 18 being configured in the back side of air inlet with the resettlement section of filter 21, can be as described later, the reinforcement of cleaning property.That is, intake and exhaust air channel 25 is along with the porting 18 of going to rear side from the face side end face, and is crooked downwards.Thus, except reaching above-mentioned effect, can also reach the effect of the aperture area that enlarges porting 18.The face side end face in intake and exhaust air channel, 33b is covered in the intake and exhaust air channel that handle 33a has been installed by the surface, and the opening of an end of the prefilter 33 that the inside is elongated is blocked.
Air inlet is inserted when the secondary fan unit 15, from just inserting towards depth direction of indoor unit 1 with filter 21 and prefilter 33.Air inlet is vertically inserted with filter 21, and prefilter 33 is laterally inserting according to not shown rail guidance, by inlaying the 18a of portion engaging.According to the above-below direction alignment arrangements, can dwindle secondary fan 19 by these filters in axial size.In addition, air inlet is with filter 21 and prefilter 33, and handle 21a and 33a are positioned at the face side of secondary fan unit 15 simultaneously, opens the front panel 4 of indoor unit 1 as required, can hold handle 21a and 33a and pull out and install.Prefilter 33 has flexibility, its configuration from secondary fan unit 15 just towards depth direction, thereby cut off porting 18 and air inlet with between the filter 21, and inlay with the 18a of the portion of inlaying that porting 18 has.
Have again, in the present embodiment, though adopt air inlet with filter 21 not only in order to remove airborne dust, also in order to remove harmful composition, but, also can adopt the filter thinner, thereby remove airborne dust etc. than the hole of prefilter 33 as common filter.
Next, with reference to figure 8 and Fig. 9 air inlet running, exhaust running and the cycle operation that secondary fan unit 15 carries out described.Fig. 8 is an air flow graph of schematically representing secondary fan unit shown in Figure 2, and Fig. 9 is the operating condition figure of expression secondary fan unit shown in Figure 2.
In secondary fan unit 15, has the state that air inlet running, exhaust running and 3 kinds of operation modes of cycle operation and running stop.And the flow direction of the wind in each operation mode and the position of the switch of damper are as shown in Figure 9.In addition, under the state that running stops, wind can not flow certainly, and damper I 29 and damper II 31 lay respectively at position (b), have prevented that outdoor air from intruding into indoor from porting 18 to secondary suction inlet 16 and the indoor portion 17 that blows out.In addition, though do not specify, switch each operation mode under manual situation, the operating portion by remote control switch carries out or the operating portion by indoor unit 1 carries out.In addition, under automatic situation, undertaken by the instruction of sending by not shown control part.The running if the running of secondary fan unit 15 can walk abreast with the cooling and warming running of indoor unit 1 also can be by secondary fan unit 15 individual operations.Further, on secondary fan unit 15, timer is set, after the running certain hour, also can shuts down automatically.
As shown in Figure 8, because the secondary fan 19 that in secondary fan unit 15, uses, rotate in a certain direction and air flowed along the direction of arrow, thus also can be with suction side housing 15a, blow out side body 15b, sealing ring 27 is made the shape of only considering that air flows to a direction.Therefore, when can improving the air-supply efficient of secondary fan 19, also can reduce the running noise of secondary fan 19.
By the action of damper I 29, changeable for sucking the air channel of room airs from secondary suction inlet 16 or opening airintake wind-tunnel 24, from the air channel of porting 18 suction chamber outer air any one; In addition, by the action of damper II 31, changeable is to the air channel of indoor blow out air, perhaps from porting 18 any one to outdoor air channel of sending air from secondary blow-off outlet 17; The operation mode of secondary fan unit 15 is switched in air inlet running, exhaust running and the cycle operation pattern any one.
That is, in the air inlet running, because damper I 29, covers secondary suction inlet 16 and open airintake wind-tunnel 24 in (b) side, so by airintake wind-tunnel 24 suction chamber outer air; Because damper II 31 is in (a) side, and open air inlet circulation air path 26 covers exhaust duct 23, deliver in the air inlet circulation air path 26 so will blow out the outdoor air that portion 34 blows out,, deliver to indoor and blow out in the air supply duct 12 that portion 17 is connected by the indoor portion 17 that blows out to secondary fan.And, under the situation of present embodiment, the outdoor air that is sucked by secondary fan 19 sucks from porting 28 by intake and exhaust air channel 25, and after the surface removal of prefilter 33 is included in airborne dust, when being included in airborne dust with the surface removal of filter 21, air inlet removes harmful material, and import in the airintake wind-tunnel 24 with filter 21 by air inlet, sucked by secondary fan 19.
In addition, in the exhaust running,, damper I 29 also covers airintake wind-tunnel 24, so suck room airs by secondary suction inlet 16 because, opening secondary suction inlet 16 in (a) side; Because damper II 31 is in (b) side, so cover air inlet circulation air path 26 and open exhaust duct 23.Thus, blow out the room air that portion 34 blows out to secondary fan and flow through exhaust duct 23, be discharged into outdoor from porting 18 by prefilter 33.
In addition, in cycle operation, because damper I 29 is positioned at (a) side, open secondary suction inlet 16 also covers airintake wind-tunnel 24, so suck room air by secondary suction inlet 16; Because damper II 31 is in (a) side, so open air inlet circulation air path 26 and cover exhaust duct 23.Thus, blow out the room air that portion 34 blows out to secondary fan and be sent in the air inlet circulation air path 26, deliver to indoor and blow out in the air supply duct 12 that portion 17 is connected by the indoor portion 17 that blows out.
In addition, when running stops, when damper I 29 and damper II 31 all in (b) side, prevented outdoor air by airintake wind-tunnel 24 or by exhaust duct 23 to indoor invasion.Therefore, need not to be arranged on and turn round when stopping, preventing that outdoor air from preventing to use valve by the contrary wind of the invasion in intake and exhaust air channel.
Details when next, main reference Figure 10 turns round to air inlet describes.
Under the situation of air inlet running, because when damper I 29 covers secondary suction inlet 16 and open air inlet suction inlet 24a, be in secondary fan and blow out the damper II 31 open air inlet circulation air paths 26 of portion 34 and cover exhaust duct 23, so airintake wind-tunnel 24 and intake and exhaust air channel 25 are communicated with filter 21 by air inlet.Therefore, when under this state, driving secondary fan 19, then by intake and exhaust air channel 25 from porting 18 suction chamber outer air, the outdoor air of suction flows to airintake wind-tunnel 24 by prefilter 33, air inlet with filter 21.At this moment, when prefilter 33, remove and to be included in airborne dust, further again by air inlet with when the filter 21, remove and remove harmful material when being included in airborne dust.
And the outdoor air that is drawn in the airintake wind-tunnel 24 enters suction side housing 15a from air inlet suction inlet 24a, is drawn into the secondary fan 19 and is blown out to from sealing ring 27 to blow out side body 15b, blows out portion 34 by secondary fan and flows to air inlet circulation air path 26.The outdoor air that flows into air inlet circulation air path 26 flow into air supply duct 12 from the indoor portion 17 that blows out, air temperature modification in air supply duct 12 internal flows arrives the temperature of indoor unit 1 in operating condition, and from secondary blow-off outlet to the indoor fresh outdoor air that provides temperature to be conditioned, room air is changed.
Details when next, main reference Figure 11 turns round to exhaust describes.
Room air during the exhaust running has been removed airborne dust in indoor air filtration device 8 (with reference to figure 3) after, be drawn in the secondary suction inlet 16.And, damper I 29 identical position when being in cycle operation, open secondary suction inlet 16 also cuts off air inlet suction inlet 24a.Therefore, room air sucks from secondary suction inlet 16, enters suction side housing 15a and sucks in the secondary fan 19, and blow out around secondary fan 19, assembles and is blown out to secondary fan then and blows out portion 34 by blowing out side body 15b.
And, under the situation of exhaust running, because being in secondary fan blows out the damper II 31 open exhaust ducts 23 of portion 34 and interdicts air inlet circulation air path 26, flow to intake and exhaust air channel 25 so blow to the room air that secondary fan blows out portion 34 by exhaust duct 23, by prefilter 33 from porting row to outdoor.Here, porting 18 1 sides at prefilter 33, though assembled the dust of removing from outdoor air when the air inlet running, the flowing in prefilter 33 of the room air when turning round by exhaust got rid of the dust of porting 8 one side surfaces that accumulate in prefilter 33 effectively.Therefore, secondary fan unit 15 can make prefilter 33 carry out automatically cleaning by carrying out air inlet running and exhaust running repeatedly, can reduce the cleaning number of times to prefilter 33.In addition, in the air inlet running, by automatically switching to the exhaust running of certain hour, the direction of flow air stream in the changeable prefilter 33 can prevent to stop up.
In addition, when exhaust is turned round because the room air that will discharge not by air inlet with filter 21, so the flowing resistance can reduce the exhaust running time and increases the room air amount of discharging, can carry out the exhaust running efficiently.
More than be illustrated for air inlet running and exhaust running, if only carry out air inlet and exhaust basically, then secondary fan is as the fan that can just change counter-rotating, as long as each an outdoor opening and indoor opening are set respectively, though must consider not use by air inlet when exhaust the method for filter 21, structure is very simple.But in addition by an indoor opening is set again, the suction of room air is done in a special use, and another is exclusively used in and blows out, and then can carry out the cycle operation of following explanation, the expansion multiple use.
Details when next, main reference Figure 12 is to cycle operation describes.
Room air during cycle operation sucks from secondary suction inlet 16 (with reference to figure 4).In Figure 12, be omitted, front portion at secondary fan unit 15 (with reference to figure 4), be provided with because the indoor air filtration device 8 (with reference to figure 3) of removing dust from room air is extended, be included in airborne dust from the room air that secondary suction inlet 16 sucks so indoor air filtration device 8 is also removed.
When cycle operation, because damper I 29 open secondary suction inlets 16 also interdict air inlet suction inlet 24a, so room air sucks from secondary suction inlet 16, enter suction side housing 15a, be inhaled in the secondary fan 19 by sealing ring 27, and around secondary fan 19, blow out, be collected at and blow out side body 15b, and be blown out to secondary fan and blow out portion 34.Blow out the damper II 31 blocking exhaust ducts 23 in the portion 34 and open air inlet circulation air path 26 by being arranged on secondary fan.Thus, blow to the room air that secondary fan blows out portion 34 and flow to air inlet circulation air path 26, and blow to indoor from the indoor portion 17 that blows out.
And, though in Figure 12 (a) clear expression air supply duct 12, air supply duct 12 as shown in figure 15 because air outlet 12a blows out portion's 17 relative also connections with indoor, so blow out the air that portion 17 blows out and deliver to as it is in the air supply duct 12 from indoor.Air supply duct 12 is configured in the front of holdup pan 11 (with reference to figure 3), the front end of air supply duct 12 is in the top of the substantial middle of the air blow-off outlet 6 (with reference to figure 1) of indoor unit 1, and the room air that is sent in the air supply duct 12 blows out from secondary blow-off outlet 13 (with reference to figure 2).Because air supply duct 12 is arranged on the front face of holdup pan 11,, when heating warm running, be heated and heating so when cooling operation, cooled off and turn cold by holdup pan 11.In the air supply duct 12 flow air also respectively the operating condition by separately under corresponding state by pre-cooled or be preheated, and blow out to indoor from blow-off outlet 13.Therefore, even secondary fan unit 15 is under situation about turning round under the cycle operation pattern, during cooling operation or heat the air quantity in when running and increase, because will be blown out from secondary blow-off outlet 13, so refrigerating capacity or heating capacity can improve separately running the time by precooling or the air that is preheating under the temperature of operating condition separately.
As described above, because the secondary fan 19 of secondary fan unit 15 of the present invention rotates according to certain orientation, so the shape of sealing ring 27 or suction side housing 15a and the shape that blows out side body 15b can adopt and secondary fan 19 corresponding Reasonable Shape, therefore, can obtain blowing efficient height, secondary fan unit 15 that running noise is low.Further, the secondary fan motor 20 that drives secondary fan 19 is configured in the recess that is arranged on the secondary fan 19, surrounding same plane that this pair fan 19 blows out side body 15b (promptly, outside the outer peripheral face that is blowing the side body 15b of place) on exhaust duct 23 and airintake wind-tunnel 24 and air inlet circulation air path 26 are set, and constitute the less wind pushing mechanism of width dimensions.Further, air inlet can be configured in the bottom of wind pushing mechanism with filter 21, reduce the width dimensions of secondary fan unit 15, thereby the width dimensions of indoor unit is strengthened, and secondary fan unit 15 can be accommodated in the indoor unit 1.
Next, with reference to Figure 13 and Figure 14, the effect under the operation mode situation of the cooling and warming running of combination indoor unit 1 and secondary fan unit 15 is described.Figure 13 is refrigeration fortune dress and the cycle operation of secondary fan unit or the key diagram of air inlet working order that merges the indoor unit of use Fig. 1, and Figure 14 merges the heating of indoor unit of using Fig. 1 to turn round and the cycle operation of secondary fan unit or the key diagram of air inlet working order.
In Figure 13, carry out cooling operation at indoor unit 1, secondary fan unit 15 carries out under the situation of cycle operation or air inlet running, during the air that blows out from secondary blow-off outlet 13 is flowed through air supply duct 12, owing to being cooled off by holdup pan 11, air supply duct 12 turns cold, so the air that blows out is cooled off by ajutage 12.And the air that is cooled off by air supply duct 12 is according to the direction of arrow A, from secondary blow-off outlet 13 approximate horizontal on the substantial middle top of the air blow-off outlet 6 that is arranged on indoor unit 1 blow out.On the other hand, in the cooling operation of indoor unit 1, the cold air that is cooled blows out from air blow-off outlet 6 according to the direction of arrow B, and cold wind is delivered to the distant place in room always, and whole room is turned cold.
In Figure 13,,, indoorly turn cold rapidly thereby make so can increase the air quantity of cold wind because in the cold wind of cooling operation, added the cold wind of the cycle operation of secondary fan unit 15 or air inlet running.Perhaps make refrigerating capacity identical, the air quantity part that can send by secondary fan unit 15, the noise the when air quantity that reduces cooling operation reduces cooling operation.In addition, because pass through, at the state of indoor upper space formation lid, so can in the living space of indoor bottom, effectively utilize the cold wind that blows out from air blow-off outlet 6 from secondary blow-off outlet 13 approximate horizontal ground blow out air.
In addition, in Figure 14, heat running at indoor unit 1, secondary fan unit 15 carries out under the situation of cycle operation or air inlet running, the air that blows out from secondary blow-off outlet 13 is flowed through during the inside of air supply duct 12, because air supply duct is by holdup pan 11 heating and heating, so the air that blows out is by air supply duct 12 heating.And by the air of the air supply duct 12 heating direction according to arrow A, approximate horizontal ground blows out from the secondary blow-off outlet 13 on the substantial middle top of the air blow-off outlet 6 that is arranged on indoor unit 1.
On the other hand, heat and heating, and,, and have constantly to the tendency that floats because proportion lightens from the warm braw that air blow-off outlet 6 blows out by the running that heats of indoor unit 1.Therefore, the warm braw that heats running will blow out downwards from air blow-off outlet 6 according to the direction of arrow B, at first makes ground heating within doors, and control warm braw on the top in room, rise, thereby warmed in living space within doors.Under the situation of the warm braw that does not in the past blow out from secondary blow-off outlet 13, the warm braw that blows out from air blow-off outlet 6 slows down along with warm braw speed and begins to rise according to the direction of arrow B, can not make warm warm braw arrival distant place within doors, light and warm air will be trapped in the upper space in room.
But, in the indoor unit 1 of present embodiment, because warm braw according to the direction of arrow A from secondary blow-off outlet 13 approximate horizontal on the top of the general central authorities that are arranged on air blow-off outlet 6 blow out, so can to rise according to the warm warm braw that heats running of arrow B direction on form lid in, by the warm braw that blows out from secondary blow-off outlet 13, the warm braw that heats running is induced within doors distant place.Therefore, heating in the running of indoor unit 1, also can heat running more effectively by cycle operation or the air inlet running that utilizes secondary fan unit 15 simultaneously.
Such as previously described, because air supply duct 12 is arranged on the front of holdup pan 11, so when the heat exchanger 10 of indoor unit 1 is cooled off by cooling operation, the discharge water that reception is condensed and turned cold, holdup pan 11 is cooled, the air supply duct 12 that is arranged on its front is cooled off by holdup pan 11 and turns cold, and flow air turns cold thereby make wherein.Therefore, when cooling operation, even in the outdoor air supply chamber with sweltering heat, because, refrigeration is had not big harm in advance by air supply duct 12 cooling and blow to indoorly.
In addition, the heat exchanger 10 of indoor unit 1 is by heating when heating running, and holdup pan 11 is directly heated and heats up, and the air supply duct 12 that is arranged on its front is heated up by holdup pan 11, and flow air warms thereby make wherein.Therefore, heating when running,,, heating effect is had not big harm because heat by air supply duct 12 in advance and blow to indoorly even with in the cold outdoor air supply chamber.
Have again, do not carrying out the cooling and warming running of indoor unit 1, and when only carrying out cycle operation, exhaust running or air inlet running separately by secondary fan unit 15, room air is circulated lentamente and discharge indoor contaminated air, perhaps absorb outdoor fresh air so that room air is upgraded.
Next, with reference to Figure 15 secondary blow-off outlet 13 is described.Figure 15 is the sectional drawing that the secondary blow-off outlet of the indoor unit of key diagram 1 has or not cowling panel.
Shown in Figure 15 (a), on the secondary blow-off outlet 13 of air supply duct 12, be provided with wind direction cowling panel 12b.Flow out along wind direction cowling panel 12b deflection from the air that secondary blow-off outlet 13 blows out by wind direction cowling panel 12b is set, and the roughly rectangular direction of indoor unit 1 blows out relatively.Under the situation that does not have wind direction cowling panel 12b, in flow air in the air supply duct 12 because of inertia force former state shown in Figure 15 (b) blows out to oblique direction, the flowing of the warm braw that explanation inducing cold wind to flow when cooling operation effectively before can not resembling and promoting effectively when heating running risen.
Next, with reference to Figure 16 outdoor carrier pipe 22 is described.
Next, with reference to Figure 17 the device that cleans secondary fan unit 15 and outdoor carrier pipe 22 inside is described.
During the inside deposition dust of secondary fan unit 15 and outdoor carrier pipe 22, extract air inlet with filter 21 and prefilter 33, replace air inlet with filter 21 and insert cleaning unit 34.At this moment because air inlet with the insertion mouth of filter 21 and porting 18 towards the depth direction configuration of secondary fan unit 15 point-blank, so nozzle 34b can arrive secondary fan unit 15 the depths, be near the outdoor carrier pipe 22.And, go up and make its running by home-use scavenging machine (not shown) being installed in scavenging machine installation portion 34a, can attract to be deposited on the refuse of secondary fan unit 15 and outdoor carrier pipe 22 inside.
More than, according to the foregoing description, possesses the secondary fan that separates with main fan in the certain orientation rotation, when having with corresponding suction inlet of this pair fan and housing, possesses the exhaust duct of discharging room air, the airintake wind-tunnel of suction chamber outer air, the intake and exhaust air channel of public exhaust and air inlet, the air inlet circulation air path of public air inlet and circulation, by being arranged on the damper of secondary fan suction portion, inhaled air is switched to room air or outdoor air, by being arranged on the damper that housing blows out portion, the air that blows out is switched to indoor or outdoor, thus, assembling can be carried out cycle operation, the exhaust running, the secondary fan unit of air inlet running, make secondary fan make the shape that adapts to secondary fan according to the certain orientation rotation and with the suction inlet and the housing of secondary fan, thus, can improve the air-supply efficient of secondary fan unit, and the indoor unit of the split type air conditioner of the running noise of the secondary fan unit that has been reduced.
In addition, when air inlet is turned round, though the outdoor air that sucks by the air inlet filter, when exhaust turn round because the room air of discharging is by the air inlet filter, so the flowing resistance can reduce exhaust and turn round the time, the amount of increase discharge room air.
Further, when air inlet is turned round, make air pass through prefilter and remove dust in the outdoor air, when exhaust is turned round, also by prefilter and blow the room air that will discharge, and cleaning accumulates in the dust on prefilter surface, thus, can constitute on secondary fan unit in the cleaning function, air inlet can be after opening the front panel of indoor unit with filter and prefilter, extract arbitrarily, load onto from the front, thereby improve maintainability.
In addition, front portion at the holdup pan of indoor unit is provided with air supply duct, the air-flow that secondary fan unit is blown out is induced to the secondary blow-off outlet on top of the general central authorities of the air blow-off outlet that is arranged on indoor unit, by it is blown out from secondary blow-off outlet, when the cold wind that blows out in the time of can making cooling operation arrives within doors distant place, can control the rising of the warm braw that blows out when heating running.
Have again, in the present embodiment,,, also can not establish the cycle operation pattern though be provided with three kinds of operation modes as the running of secondary fan unit 15.
Adopt above the present invention, a kind of air conditioner can be provided, it possesses the secondary fan unit with air inlet function, degassing function, even and possess air cleanness filter, the air conditioner that possesses thin secondary fan unit also can be provided.
The present invention can provide a kind of air conditioner, and it possesses the secondary fan unit with air inlet function, degassing function, and has reduced the flowing resistance when exhaust is turned round.
Claims (2)
1. air conditioner, have the air suction inlet and the air blow-off outlet that in rectangular indoor unit, form, be arranged between these air suction inlets and the air blow-off outlet and form the main fan of air channel, the heat exchanger that turns round this main fan and the room air that sucks from above-mentioned air suction inlet is carried out heat exchange, be arranged on the filter of upstream side of the air stream of this heat exchanger, be arranged in the above-mentioned indoor unit, and be connected the indoor peristome of indoor opening and at the outdoor peristome of outdoor opening, thereby form the housing of air channel in inside, be arranged on the air channel in this housing, and have by rotation and undertaken outdoor air is drawn into indoor air inlet running or room air is discharged into the secondary fan of outdoor exhaust running and the intake and exhaust unit of secondary fan motor, it is characterized in that:
At least be provided with the air inlet filter that outdoor air passes through when above-mentioned air inlet is turned round, make the rotating shaft almost parallel configuration of the rotating shaft of above-mentioned secondary fan and above-mentioned main fan, it is out of square with the air of the filter angle configurations by face that the air of above-mentioned secondary fan sucks face and above-mentioned air inlet.
2. air conditioner according to claim 1 is characterized in that:
When above-mentioned air inlet running, by this air inlet with filter with in the outdoor air suction chamber, and when above-mentioned exhaust running, with filter room air is not discharged into outdoor by above-mentioned air inlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003405311 | 2003-12-04 | ||
| JP2003405311A JP4393168B2 (en) | 2003-12-04 | 2003-12-04 | Air conditioner |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101378085A Division CN1804479A (en) | 2003-12-04 | 2003-12-25 | Air conditioner |
| CNA200510137809XA Division CN1804484A (en) | 2003-12-04 | 2003-12-25 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1629548A CN1629548A (en) | 2005-06-22 |
| CN1304791C true CN1304791C (en) | 2007-03-14 |
Family
ID=34728012
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101378085A Pending CN1804479A (en) | 2003-12-04 | 2003-12-25 | Air conditioner |
| CNB2003101130381A Expired - Fee Related CN1304791C (en) | 2003-12-04 | 2003-12-25 | Air conditioner |
| CNA200510137809XA Pending CN1804484A (en) | 2003-12-04 | 2003-12-25 | Air conditioner |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101378085A Pending CN1804479A (en) | 2003-12-04 | 2003-12-25 | Air conditioner |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200510137809XA Pending CN1804484A (en) | 2003-12-04 | 2003-12-25 | Air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4393168B2 (en) |
| KR (1) | KR100535842B1 (en) |
| CN (3) | CN1804479A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967006B (en) * | 2012-12-21 | 2015-04-29 | 青岛海尔空调电子有限公司 | Embedded air conditioner internal unit with spiral fan |
| CN105546624B (en) * | 2016-02-22 | 2019-01-18 | 奥普家居股份有限公司 | It can be into the two-way blower fan and heater of fresh air |
| CN105650798B (en) * | 2016-03-07 | 2018-10-23 | 奥普家居股份有限公司 | Air interchanger with fresh air function |
| WO2022111032A1 (en) * | 2020-11-26 | 2022-06-02 | 广东美的制冷设备有限公司 | Air handling module, air conditioner indoor unit, and air conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0448132A (en) * | 1990-06-18 | 1992-02-18 | Toshiba Corp | Ventilation device |
| JP2000205588A (en) * | 1999-01-13 | 2000-07-25 | Daikin Ind Ltd | Indoor machine of air-conditioning device |
| JP2001324168A (en) * | 2000-05-19 | 2001-11-22 | Fujitsu General Ltd | Air conditioner |
| KR20030037026A (en) * | 2001-11-01 | 2003-05-12 | 위니아만도 주식회사 | The installing structure of motor at air-conditioner |
-
2003
- 2003-12-04 JP JP2003405311A patent/JP4393168B2/en not_active Expired - Fee Related
- 2003-12-24 KR KR10-2003-0096048A patent/KR100535842B1/en not_active IP Right Cessation
- 2003-12-25 CN CNA2005101378085A patent/CN1804479A/en active Pending
- 2003-12-25 CN CNB2003101130381A patent/CN1304791C/en not_active Expired - Fee Related
- 2003-12-25 CN CNA200510137809XA patent/CN1804484A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0448132A (en) * | 1990-06-18 | 1992-02-18 | Toshiba Corp | Ventilation device |
| JP2000205588A (en) * | 1999-01-13 | 2000-07-25 | Daikin Ind Ltd | Indoor machine of air-conditioning device |
| JP2001324168A (en) * | 2000-05-19 | 2001-11-22 | Fujitsu General Ltd | Air conditioner |
| KR20030037026A (en) * | 2001-11-01 | 2003-05-12 | 위니아만도 주식회사 | The installing structure of motor at air-conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1804484A (en) | 2006-07-19 |
| JP2005164162A (en) | 2005-06-23 |
| CN1804479A (en) | 2006-07-19 |
| KR100535842B1 (en) | 2005-12-12 |
| KR20050054423A (en) | 2005-06-10 |
| CN1629548A (en) | 2005-06-22 |
| JP4393168B2 (en) | 2010-01-06 |
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Granted publication date: 20070314 Termination date: 20131225 |