CN101619873B - Ceiling-embedded type air-conditioner - Google Patents
Ceiling-embedded type air-conditioner Download PDFInfo
- Publication number
- CN101619873B CN101619873B CN2009100050974A CN200910005097A CN101619873B CN 101619873 B CN101619873 B CN 101619873B CN 2009100050974 A CN2009100050974 A CN 2009100050974A CN 200910005097 A CN200910005097 A CN 200910005097A CN 101619873 B CN101619873 B CN 101619873B
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- Prior art keywords
- filter
- brush
- ceiling
- comb
- air conditioner
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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
- 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
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F2013/0616—Outlets that have intake openings
Abstract
A ceiling-embedded type air-conditioner includes: a casing having an opening on a bottom face; an air blower provided in the casing; a decorative panel provided on the bottom face of the casing and having a suction opening for sucking air; and an automatic filter cleaning mechanism provided between the decorative panel and the air blower. The automatic filter cleaning mechanism includes: (1) a filter 12 for catching a floating object in the air sucked; (2) a filter guide 13 having a filter rail groove 21 of U-turn system; (3) a filter roller 14 for driving the filter 12; (4) a brush 15 for scraping off the floating object caught by the filter 12; (5) a comb 16 for scraping off the floating object scraped off by the brush 15; and (6) a dust box for containing the floating object scraped off by the brush 15 and the comb 16.
Description
Technical field
The present invention relates to a kind of ceiling-mounted formula air conditioner, relate to the filter automatic sweeping machine structure portion of ceiling-mounted formula air conditioner in more detail.
Background technology
Existing ceiling-mounted formula air conditioner (indoor set) absorbs room air through fan from suction inlet, in heat exchanger, carry out the temperature adjustment of room air, will adjust the air after the temperature from blow-off outlet then and be discharged to indoor.
Be provided with filter at suction inlet, this filter prevents that the suspensions such as dust that exist in the room air from getting into the inside of ceiling-mounted formula air conditioner.If ceiling-mounted formula air conditioner turns round continuously, then the suspension in the room air can be piled up in filter gradually.Therefore, the air drag of filter increases, and has problems such as running efficiency deterioration, energy saving reduction.So, must remove attachment removal and be piled up in the airborne suspensions such as dust in the filter.
And ceiling-mounted formula air conditioner is installed in eminence mostly, when carrying out filter cleaning, needs step stool etc., and task difficulty is big.Therefore, the technical scheme of relevant scavenge filter has a lot.
For example; In order to guarantee the good operation of air conditioner; Must carry out the cleaning of air cleaner changes; But in the aircondition of ceiling-mounted formula etc., the replacing cleaning work of air cleaner effort is time-consuming, therefore through CD-ROM drive motor circulating air cleaner is slided between air flow circuit portion and non-stream portion and moves.Proposition has following aircondition, that is, cam and this slip are moved interlock and rotated; Driving is arranged on the round arm of non-stream portion; Make circulating air cleaner promote repeatedly, discharge, and make this circulating air cleaner vibration, thereby remove the dust that this circulating air cleaner captures; Automatically filter is cleaned (for example, referring to patent documentation 1).
The openly flat 10-9660 communique of [patent documentation 1] Japan Patent
But the aircondition of record slides circulating air cleaner through CD-ROM drive motor to move, carry out the cleaning of filter automatically with this, and there is following problem in circulating air cleaner in the above-mentioned patent documentation 1 between air flow circuit portion and non-stream portion:
(1) must there be the tension force of horizontal direction to act on the cylinder that is arranged at circulating air cleaner two ends, be heavy wall so must have mechanical rigid and must make component parts, and possibly shortens the life-span of circulating air cleaner;
(2) circulating air cleaner is dual structure on short transverse, and cleaning portion volume is too big automatically;
(3) circulating air cleaner is certainly as dual structure, so increased the wind path pressure loss.
Summary of the invention
The present invention invents for addressing the above problem; Its objective is provides a kind of filter ceiling-mounted formula air conditioner of cleaning portion automatically that has; Above-mentioned filter cleaning portion automatically applies tension force unlike circulating filter that kind on filter, and can eliminate the problem that the wind path pressure loss that the filter dual structure caused increases.
Air conditioner of the present invention is characterized in that, has:
Be arranged at the framework of ceiling and lower aperture,
Be arranged on the pressure fan in the said framework,
Be arranged on the decorative panel of the following of said framework and formation suction inlet, and,
Be arranged on the filter automatic sweeping machine structure portion between said decorative panel and the said pressure fan, this filter automatic sweeping machine structure portion has following element:
(1) filter, this filter is caught the suspension from said suction inlet inhaled air, overlooks that to be roughly quadrangle tabular and have flexible;
(2) filter guiding piece, this filter guiding piece is accommodated said filter, has when cleaning automatically, to make this filter remove the helicoid filter guide groove of U-shaped of the slip of journey and backhaul;
(3) the filter cylinder of the said filter of driving;
(4) scrape the brush of the suspension of said filter traps;
(5) scrape the comb that said brush is scraped the said suspension of getting;
(6) disposal box of the reception said suspension that said brush and said comb scraped.
Air conditioner of the present invention carries out the cleaning of filter automatically through filter automatic sweeping machine structure portion is set, and therefore, can eliminate the filter hole blocking problem and prevent that the pressure loss from increasing, thereby realize the maintenanceization of exempting from of air conditioner.And; Because the filter guide groove of filter automatic sweeping machine structure portion is a U-shaped swinging shape; So need not as circulating drum filter working tension on filter, thereby can solve the problem that the wind path pressure loss that dual structure caused of filter increases.
Description of drawings
Fig. 1 is the figure of expression first embodiment, is to see that from room 45 ceiling-mounted formula air conditioner 100 (indoor set) is installed to the stereogram of the state behind the ceiling in room 45;
Fig. 2 is the figure of expression first embodiment, is the cross-sectional view of ceiling-mounted formula air conditioner 100;
Fig. 3 is the figure of expression first embodiment, is the longitudinal section of ceiling-mounted formula air conditioner 100;
Fig. 4 is the figure of expression first embodiment, is the exploded perspective view of ceiling-mounted formula air conditioner 100;
Fig. 5 is the figure of expression first embodiment, is the exploded perspective view after filter automatic sweeping machine structure portion 50 is unloaded from housing 11;
Fig. 6 is the figure of expression first embodiment, is the stereogram of seeing the state of the filter 12 of pulling down filter automatic sweeping machine structure portion 50 from the top;
Fig. 7 is the figure of expression first embodiment, is the exploded perspective view of filter automatic sweeping machine structure portion 50;
Fig. 8 is the figure of expression first embodiment, is the stereogram of the action when representing filter 12 insertion filter automatic sweeping machine structure portions;
Fig. 9 is the figure of expression first embodiment, is ((a) to be the side view that representational framework claw 20 is installed in the state on the housing 11 wherein, with the figure of framework claw 20 when housing 11 unloads; (b) be the side view of the state of expression when framework claw 20 is slided to the inside; (c) be the state after the filter automatic sweeping machine structure portion 50 is unloaded in expression from housing 11 side view);
Figure 10 is the figure of expression first embodiment, the sectional view of the action of the filter 12 when being 50 work of expression filter automatic sweeping machine structure portion;
Figure 11 is the figure of expression second embodiment, is the longitudinal section of ceiling-mounted formula air conditioner 100;
Figure 12 is the figure of expression second embodiment, is the longitudinal section of the disposal box 17 of expression filter automatic sweeping machine structure portion 50;
Figure 13 is the figure of expression the 3rd embodiment, is the longitudinal section of ceiling-mounted formula air conditioner 100;
Figure 14 is the figure of expression the 3rd embodiment, the sectional view of the action of filter 12 when being 50 work of expression filter automatic sweeping machine structure portion;
Figure 15 is the figure of expression the 3rd embodiment, is the front view of comb 16;
Figure 16 is the figure of expression the 3rd embodiment, is the front view of auxiliary comb 25;
The specific embodiment
Fig. 1 to Figure 10 is the figure of expression first embodiment, and wherein, Fig. 1 sees that from room 45 ceiling-mounted formula air conditioner 100 (indoor set) is installed to the stereogram of the state behind the ceiling in room 45; Fig. 2 is the cross-sectional view of ceiling-mounted formula air conditioner 100; Fig. 3 is the longitudinal section of ceiling-mounted formula air conditioner 100; Fig. 4 is the exploded perspective view of ceiling-mounted formula air conditioner 100; Fig. 5 is the exploded perspective view after filter automatic sweeping machine structure portion 50 is unloaded from housing 11; Fig. 6 is a stereogram of seeing the state of the filter 12 of pulling down filter automatic sweeping machine structure portion 50 from the top; Fig. 7 is the exploded perspective view of filter automatic sweeping machine structure portion 50; Fig. 8 is the stereogram of the action when representing filter 12 insertion filter automatic sweeping machine structure portions; Fig. 9 is ((a) to be the side view that representational framework claw 20 is installed in the state on the housing 11 wherein, with the figure of framework claw 20 when housing 11 unloads; (b) be the side view of the state of expression when framework claw 20 is slided to the inside; (c) be the state after the filter automatic sweeping machine structure portion 50 is unloaded in expression from housing 11 side view); The sectional view of the action of the filter 12 when Figure 10 is 50 work of expression filter automatic sweeping machine structure portion.
As shown in Figure 1, ceiling-mounted formula air conditioner 100 (indoor set) is embedded in the ceiling in room 45 with the state of the roughly tetragonal decorative panel 7 that can see the bottom that is arranged on ceiling-mounted formula air conditioner 100.Near the roughly tetragonal grid 18 (suction inlet) that the central authorities of decorative panel 7, has the air suction inlet that is communicated in ceiling-mounted formula air conditioner 100; And with along each limit (four limits) of decorative panel 7 and the blow-off outlet 8 (four) that the main body blow-off outlet 40 (referring to Fig. 3) that forms is connected; In addition, the blade 9 that in each blow-off outlet 8, also has the wind direction of controlling the wind that blows out.
Next, according to Fig. 2～Fig. 4 the overall structure of ceiling-mounted formula air conditioner 100 (indoor sets) is described.
Unit framework 1 (being defined as framework) is the box-type devices that is arranged at ceiling and bottom one side (following) opening.
As shown in Figure 4, ceiling-mounted formula air conditioner 100 can be decomposed into:
(1) unit framework 1 (has heat exchanger 5, and a pressure fan etc. with fan motor 3 of drive fan 2.The substantial middle portion of blower setting in unit framework 1);
(2) filter automatic sweeping machine structure portion 50 (being housed in the housing 11);
(3) decorative panel 7;
(4) grid 18.
But Fig. 4 only is an example, and filter automatic sweeping machine structure portion 50 can be arranged at unit framework 1, also can be arranged at decorative panel 7.
If filter automatic sweeping machine structure portion 50 is contained in the form in the housing 11 with unit framework 1, decorative panel 7 splits, then can filter automatic sweeping machine structure portion 50 be installed in the already installed ceiling-mounted formula air conditioner 100 through the mode that (can select) installed in the back.
As shown in Figure 3, the substantial middle portion in unit framework 1 is provided with that to have with the downside be the fan 2 (turbofan) of suction inlet and the pressure fan (centrifugal blower) with the fan motor 3 that drives this fan 2.Fan motor 3 is installed in the top surface side of unit framework 1, simultaneously, is arranged on the bottom of fan 2 to the horn mouth 4 of fan 2 importing air.
And, round fan 2 general toroidal be provided with heat exchanger 5 (roughly C shape), be provided with drain pan 6 in the bottom of heat exchanger 5.Heat exchanger 5 carries out compressor for compressing etc. with the cold-producing medium to not shown off-premises station and constitutes freeze cycle.In heat exchanger 5, carry out heat exchange through fan 2 from the room air of grid 18 suctions and the cold-producing medium of freeze cycle, produce cold wind or warm braw.
In the outside along each limit of drain pan 6, have 2 sides and the indoor main body blow-off outlet 40 that are communicated with heat exchanger 5, this main body blow-off outlet is connected with the blow-off outlet 8 of decorative panel 7.
Blade 9 is installed on blow-off outlet 8, can be adjusted at the cold wind of generation in the heat exchanger 5 or the blow-off direction of warm braw air.The shape of blade 9 and blow-off outlet 8 are roughly the same, consider based on aesthetic appearance, are employed in the design of roughly stopping up blow-off outlet 8 under blade 9 closing state.
Roughly tetragonal grid 18 is installed in the peristome of the substantial middle of decorative panel 7.Grid 18 is sticked in decorative panel 7 through for example pawl etc.But, through after the lowering or hoisting gear stated make under the situation that grid 18 goes up and down, grid 18 is not sticked in decorative panel 7, but suspends in midair through wire.
In addition, the bottom of framework 1 is equipped with the housing 11 of upper surface and lower surface opening in the unit, and filter automatic sweeping machine structure portion 50 is arranged at wherein (referring to Fig. 5).But filter automatic sweeping machine structure portion 50 also can be arranged in the unit framework 1, with the housing 11 of unit framework 1 split structure not necessarily.
Next with reference to Fig. 6, Fig. 7 the structure of filter automatic sweeping machine structure portion 50 is described.In addition, in Fig. 6, Fig. 7, the installation of gear-box 19 is opposite, but gear-box 19 can be installed in any one side.
Filter automatic sweeping machine structure portion 50 has with lower component:
(1) filter 12;
(2) the filter guiding piece 13;
(3) the filter cylinder 14;
(4) brush 15;
(5) comb 16;
(6) disposal box 17;
(7) gear-box 19;
(8) the framework claw 20;
(9) the filter guide groove 21;
(10) filter sensors 22.
And (8)～(10) are arranged at filter guiding piece 13.
The lattice shape (being defined as first lattice shape) of the top grid 13a of filter guiding piece 13 and bottom grid 13b, roughly the same with the vertical grid 12a that intersects and the formed lattice shape of horizontal grid 12b (being defined as second lattice shape) of filter 12.Therefore, be contained at filter 12 under the state of filter guiding piece 13, the top grid 13a of filter guiding piece 13 and the grid of bottom grid 13b partially overlap the vertical grid 12a and the horizontal grid 12b of filter 12.Therefore, can push filter 12 through filter guiding piece 13, thereby can stably accommodate filter 12.And,, therefore can reduce air drag owing to can not cover the air of the filter house of filter by suction 12.In addition, can reduce to hurt the danger of the filter part of filter 12.
Above one side that does not have filter guide groove 21 of filter guiding piece 13, one side be provided with filter cylinder 14 cylindraceous abreast with this.Filter cylinder 14 drives filter 12.
The side opposite of brush 15 with filter cylinder 14 tiltedly below be provided with comb 16.Comb 16 and brush 15 are arranged at brush 15 and oblique belows filter 12 side opposition sides abreast, and are arranged at the high-quality green tea position contacting of the front end and the brush 15 of comb 16.The direction that the front-end configuration of comb 16 is intersected at the axle with brush 15.
End with the opposition side of the front end that contacts with brush 15 is under the situation of fulcrum, and comb 16 is provided with the mode between two tangent lines that get into fulcrum and brush 15.
The optimum position of comb 16 (angle) be the fulcrum that connects comb 16 with the line of the brush rotating shaft 33 (referring to Fig. 7) of brush 15 roughly below.When this state, comb 16 can scrape 15 on brush more efficiently and scrape the attachment of getting.
The roughly disposal box 17 of cuboid is installed below comb 16.Be positioned at the position that to accept from the following junk of filter 12 and brush 15.
One end of the filter cylinder rotating shaft (not shown) of filter cylinder 14 and the brush rotating shaft 33 of brush 15 is connected in motor 26a, 26b via a plurality of gears (not shown) respectively.Filter cylinder rotating shaft and brush rotating shaft 33 have the side-play amount ground of regulation to be provided with in vertical direction.
Gear is covered by gear-box 19, in its arranged outside motor 26a, 26b is arranged.
Next, to how filter automatic sweeping machine structure portion 50 is installed on the housing 11 and is elaborated.When ceiling-mounted formula air conditioner 100 is installed, must carry out the electric component box of filter automatic sweeping machine structure portion 50 and the operation that is electrically connected of unit framework 1.Under the situation of carrying out this electrical connection operation, if filter automatic sweeping machine structure portion 50 is not unloaded, then because the obstruction of filter 12 can't operation.Therefore, must carry out operation that filter automatic sweeping machine structure portion 50 is installed on the housing 11 at the scene.For ceiling-mounted formula air conditioner 100 is installed on ceiling, must consider its operability.
Suppose that housing 11 is fixed in unit framework 1, and the electric component box of filter automatic sweeping machine structure portion 50 is accomplished with the operation that is electrically connected of unit framework 1.At first, disposal box 17 side ends with filter automatic sweeping machine structure portion 50 are stuck on the housing 11.Next, use the framework claw 20 (2) of filter guiding piece 13, the end of the opposition side of disposal box 17 side ends of filter automatic sweeping machine structure portion 50 is sticked in housing 11 and temporary fixed with reference to Fig. 6.Under this state, operator's hand can leave filter automatic sweeping machine structure portion 50.Afterwards, use screw etc. that housing 11 is fixed in filter automatic sweeping machine structure portion 50.
As shown in Figure 9, in the end of the opposition side that is provided with filter cylinder 14 sides of filter guiding piece 13, framework claw 20 has laterally the コ word shape 20a of portion of (housing 11 sides) opening.Framework claw 20 is provided with as follows, that is, can in location division (not shown) institute positioning range, slide towards the direction parallel with filter guide groove 21 (see figure 7)s.
And this framework claw 20 has the filter pushing 20b of portion that extends to the inside at the opposition side of the コ word shape 20a of portion, this filter pushing 20b of portion be connected to filter 12 top, play a role as the thrust piece of filter 12.
And when inserting filter 12 in the filter guide grooves 21, framework claw 20 is the effect of the filter 12 in the supporting filter device guiding piece 13 also.
When ceiling-mounted formula air conditioner 100 is safeguarded, need unload filter automatic sweeping machine structure portion 50 sometimes, at this moment, at first unload the screw that filter automatic sweeping machine structure portion 50 is fixed in housing 11.Next, the framework claw 20 that is mounted slidably is slided to the inside and unload (referring to Fig. 9 (b)) from the jut 11a of housing 11.In addition, disposal box 17 side ends of the filter automatic sweeping machine structure portion 50 through will being sticked in housing 11 unload, and can unload filter automatic sweeping machine structure portion 50 (referring to Fig. 9 (c)) from housing 11.
Next, how filter cylinder 14 being transferred filter 12 is elaborated.On the circumference at the two ends of filter cylinder 14, be formed with wildhaber-novikov gear (not shown, as to be defined as first wildhaber-novikov gear).
On the framework at the two ends of filter 12 and directions filter cylinder 14 quadratures, cross over and be formed with wildhaber-novikov gear 12c (, being defined as second wildhaber-novikov gear) endlong referring to Fig. 7.The wildhaber-novikov gear 12c engagement of wildhaber-novikov gear on the circumference at the two ends of filter cylinder 14 and filter 12, and through motor 26a driving filter 12, said motor 26a is connected in filter cylinder 14 via a plurality of gears (not shown).
Like Fig. 7, shown in Figure 8, the part of the bottom grid 13b of filter guiding piece 13 (filter cylinder 14 sides) is an open and close type.Bottom grid 13b is that its filter cylinder 14 sides of fulcrum can open and close near central.
Open the part of the bottom grid 13b of filter guiding piece 13, filter 12 is inserted filter guiding piece 13.Filter 12 inserts from the direction of filter cylinder 14 side direction framework claws 20.
Through said structure, filter 12 can be loaded and unloaded on filter guiding piece 13.In view of the above, can as required filter 12 be unloaded from filter guiding piece 13, thereby carry out the maintenance and the position adjustment of filter 12.
And, filter 12 is being inserted basically fully under the state of filter guiding piece 13, the wildhaber-novikov gear 12c engagement of wildhaber-novikov gear on the circumference at the two ends of filter cylinder 14 and filter 12, total number of teeth in engagement is 1.5～3.5 (4 at the most).So the setting of filter 12 is easy to.
Next, with reference to Figure 10 the action of filter automatic sweeping machine structure portion 50 is described.The movable circuit (filter guide groove 21) of the filter of transferring through filter cylinder 14 12 is shown in figure 10, is the U-shaped swinging of figure-six.
The opposition side of the filter cylinder 14 of filter guide groove 21 (framework claw side), what become filter 12 removes journey and the shared shared filter guide groove 21a of backhaul.
And the movable circuit of the filter 12 of filter cylinder 14 sides does, is formed at around the filter cylinder 14, through the duplex filter guide groove 21b closed with the connecting portion of shared filter guide groove 21a.The length of duplex filter guide groove 21b is longer than the length of the movable direction of filter 12.In view of the above, can form the U-shaped revolution of figure-six.
State in 100 runnings of the state of Figure 10 (1) and ceiling-mounted formula air conditioner is identical, is disposed to filter 12 integral planar filter guide groove 21.When ceiling-mounted formula air conditioner 100 stops, and filter automatic sweeping machine structure portion 50 is when starting working, and in Figure 10 (1), filter cylinder 14 begins rotation with brush 15, and filter 12 begins Cheng Yidong.At this moment, filter cylinder 14 is rotated in a clockwise direction (see figure 10) through motor 26a.And brush 15 rotates (see figure 10) through motor 26b along counter clockwise direction.Owing to be arranged on the wildhaber-novikov gear 12c engagement of wildhaber-novikov gear and filter 12 in the filter cylinder 14, so filter 12 begins the mobile of journey through the rotation of filter cylinder 14.At this time point, brush 15 is not also scraped from filter 12 and is got attachment.Only be to carry out moving of filter 12 through filter cylinder 14 and brush 15.
Next; The frame ahead of journey is removed in the conduct of filter 12, the length through regulation between filter cylinder 14 and brush 15 (this length is crossed over the roughly total length of filter 12, and do not influence scraping of attachment get); Then; Make the direction of rotation counter-rotating of brush 15, shown in Figure 10 (2), make brush 15 the same as clockwise direction rotation (see figure 10) with filter 12.
Through brush 15 is rotated in a clockwise direction, brush 15 begins to scrape and get attachment from transfer the filter 12 that comes through filter cylinder 14.Brush 15 is scraped the suspension of getting and is got through comb 16 combs that are arranged on brush 15 belows, and drops in the disposal box 17.
When filter 12 finish to go journey move and arrive filter guide groove 21 go to the journey terminal time; Filter sensors 22 (for example microswitch etc.) detects filter 12; The release (Figure 10 (3)) of filter cylinder 14 and brush 15; Wherein, above-mentioned filter sensors 22 is arranged near the end of opposition side of filter cylinder 14 of filter guide groove 21.
Next, only filter cylinder 14 is along counterclockwise beginning rotation, and filter 12 beginning backhauls are moved.At this moment, brush 15 stops.Brush 15 is stopped, and is can not get back on the filter 12 in order to make attached to the attachment on the brush 15.
Begin from the state of Figure 10 (4), filter 12 further carries out backhaul and moves, shown in Figure 10 (5); When the backhaul mobile end of filter 12; Filter sensors 22 detects filter 12, and filter cylinder 14 is stopped the rotation, and the end-of-job of filter automatic sweeping machine structure portion 50; Wherein, above-mentioned filter sensors 22 is arranged near the end of opposition side of filter cylinder 14 of filter guide groove 21.
The example of the needed time of action of filter automatic sweeping machine structure portion 50 is following.
(1) begins the needed time till Figure 10 (2) from the action of Figure 10 (1): about 2.5 minutes;
(2) begin the needed time (going the time of Cheng Suoxu) till Figure 10 (3) from the action of Figure 10 (1): about 4 minutes;
(3) begin the needed time (going the time of Cheng Suoxu) till Figure 10 (4) from the action of Figure 10 (1): about 6.5 minutes;
(4) begin the needed time (going the time of Cheng Suoxu) till Figure 10 (5) from the action of Figure 10 (1): about 8 minutes.
The filter automatic sweeping machine structure portion 50 of this embodiment can solve the existing existing problem of circulating air cleaner, makes the movable circuit (filter guide groove 21) of the filter 12 that comes through 14 handovers of filter cylinder be figure-six U-shaped swinging shown in figure 10.Like this since can be on the horizontal direction of filter 12 working tension, so can prolong the life-span of filter 12.
And; In circulating air cleaner; Filter guide groove 21 needs 2; And the U-shaped swinging through figure-six, can make the opposition side (framework claw side) of the filter cylinder 14 of filter guide groove 21 become filter 12 remove journey and the shared shared filter guide groove 21a of backhaul, thereby the miniaturization of realization filter automatic sweeping machine structure portion 50.And, can reduce number of components (shorten filter guide groove 21, reduce the number of filter sensors 22 etc.).In addition, can reduce the increase of the wind path pressure loss that dual structure caused of filter.
In addition, more than explanation is that filter guide groove 21 is the helicoid device of U-shaped of figure-six, and still, filter guide groove 21 also can be the U-shaped swinging of simple U font.
As stated, each parts of filter automatic sweeping machine structure portion 50 the position is set, begin to be followed successively by filter cylinder 14, brush 15, comb 16, disposal box 17 from the top.Therefore, brush 15 is scraped from the filter 12 that comes through 14 handovers of filter cylinder and is got attachment, and 15 on brush is scraped the attachment of getting and scraped in the disposal box 17 through comb 16.
Scrape when getting attached to the attachment on the filter 12 at brush 15, transfer the filter 12 of coming with respect to filter cylinder 14, brush 15 can reverse movement, and therefore, brush 15 can be scraped with stronger reaction force and get the suspension that is attached to filter 12.
The disposal box 17 of the attachment that reception scrapes is arranged on the below of contact site, brush 15 and the comb 16 of filter 12 and brush 15; Therefore; Scrape when getting attached to the suspension on the filter 12 at brush 15, suspension can not fallen indoor but fall in the disposal box 17.
And then, through being scraped, brush 15, comb 16 etc. gets the end that parts are arranged on filter 12, the loss of the suction pressure in the time of can reducing by 100 runnings of ceiling-mounted formula air conditioner.
Be stored in the block of the suspension in the disposal box 17, can discard through unloading disposal box 17.Through the grid 18 that takes off the suction inlet that is arranged at decorative panel 7, and the disposal box retainer (not shown) that is arranged at filter guiding piece 13 is slided, can easily take off disposal box 17.
The disposal box retainer is and the parallel drivable cylindrical grip (not shown) in the long limit of rectangle of disposal box 17 that handle can be entrenched in the circular hole (not shown) of filter guiding piece 13.
Next, the action to the control part of the action of controlled filter device automatic sweeping machine structure portion 50 in this embodiment describes.Control part is made up of the microcomputer that enrolls the specified action program.
Control part is for example controlled 50 actions of filter automatic sweeping machine structure portion as following.But this only is an example wherein, is not limited in this.
(1) makes filter automatic sweeping machine structure portion 50 actions 1 time/day in principle
(2) under the common occupation mode of ceiling-mounted formula air conditioner 100 (mainly to be daytime main, situation about turning round 8～10 hours/day), air conditioner finishes to make 50 actions of filter automatic sweeping machine structure portion after the running.
(3) under ceiling-mounted formula air conditioner 100 turns round the situation of (convenience store etc.) continuously; The moment of being instructed according to remote controller (リ モ コ Application); When compressor is stopped, stopping the work of fan 2, and make 50 work of filter automatic sweeping machine structure portion.And, under the situation of the instruction that does not have remote controller,, when after 24 hours, compressor being stopped, stop the work of fan 2, and make 50 work of filter automatic sweeping machine structure portion by adjustment from the 50 work beginnings of last filter automatic sweeping machine structure portion.
The filter automatic sweeping machine structure portion 50 of this embodiment can solve the existing problem of existing circulating air cleaner; Through making the movable circuit (filter guide groove 21) of transferring the filter 12 that comes by filter cylinder 14 become figure-six U-shaped swinging; Working tension on the horizontal direction of filter 12 not, thus life-span of filter 12 can be prolonged.
And; In circulating air cleaner; Filter guide groove 21 needs 2; And through being designed to the U-shaped swinging of figure-six, can make the filter cylinder 14 of filter guide groove 21 opposition side (framework claw 20 sides), form filter 12 remove journey and the shared shared filter guide groove 21a of backhaul, thereby realize the miniaturization of filter automatic sweeping machine structure portion 50.
And, can reduce number of components (shorten filter guide groove 21, reduce the number of filter sensors 22 etc.).
In addition, can alleviate the increase of the wind path pressure loss that dual structure caused of filter 12.
The top grid 13a of filter guiding piece 13 and the lattice shape of bottom grid 13b; Basic identical with the vertical grid 12a that intersects and the formed lattice shape of horizontal grid 12b of filter 12; So; Be housed under the state in the filter guiding piece 13 at filter 12, the top grid 13a of filter guiding piece 13 and the grid part of bottom grid 13b, overlapping with the vertical grid 12a and the horizontal grid 12b of filter 12.Therefore, can push filters 12 through filter guiding piece 13, thereby can stably accommodate filter 12.And,,, in addition, can reduce the danger of the filter house that hurts filter 12 so can reduce air drag owing to can not cover the air of the filter house of filter by suction 12.
And; Through forming filter automatic sweeping machine structure portion 50 is housed in the mode in the housing 11 with unit framework 1, decorative panel 7 splits, can be through back installation (can select) filter automatic sweeping machine structure portion 50 be installed on the ceiling-mounted formula air conditioner 100 that has existed.
End with the opposite side of the front end that contacts with brush 15 is under the situation of fulcrum; Comb 16 is provided with the mode between two tangent lines that get into fulcrum and brush 15; Be arranged on through position (angle) comb 16 fulcrum that connects comb 16 and brush 15 brush rotating shaft 33 line summary by under the place, comb 16 can scrape 15 on brush more efficiently and scrape the attachment of getting.
And; This framework claw 20 has the filter pushing 20b of portion that extends to the inside at the opposition side of the コ word shape 20a of portion; This filter pushing 20b of portion is connected to the top of filter 12 and as the thrust piece of filter 12 and play a role; Therefore, when filter 12 is inserted filter guide grooves 21, the filter 12 of framework claw 20 in can supporting filter device guiding piece 13.
The basic structure of the ceiling-mounted formula air conditioner 100 in this embodiment is identical with embodiment 1; Difference is, on the basis of embodiment 1, has increased lowering or hoisting gear 35 (being used for lift grille 18 and disposal box 17), accompanies with it; Variation has taken place in the structure of disposal box 17; Therefore, next only above-mentioned difference is described, omit the explanation of other structures.
Second embodiment such as Figure 11, shown in Figure 12, Figure 11 are the longitudinal section of ceiling-mounted formula air conditioner 100; Figure 12 is the longitudinal section of the disposal box 17 of filter automatic sweeping machine structure portion 50;
Shown in figure 11, the ceiling-mounted formula air conditioner 100 of this embodiment is provided with lowering or hoisting gear 35 in housing 11, and has the function of through lowering or hoisting gear 35 lift grille 18 and disposal box 17.Disposal box 17 is installed on grid 18.
This is the action of only when ceiling-mounted formula air conditioner 100 shuts down, carrying out, and when maintenance disposal box 17, uses.If there is not lowering or hoisting gear 35, then must use step stool etc. and carry out work high above the ground, still,, can easily maintain disposal box 17 through making disposal box 17 and grid 18 1 liftings.And, can avoid the danger of work high above the ground.
Lay out wire 36 from lowering or hoisting gear 35, thereby make grid 18 and the disposal box 17 declines place that gets in one's hands can hang down idle job.After disposal box 17 is maintained operation,, can make grid 18 and disposal box 17 risings and turn back to the normal position through lowering or hoisting gear 35 Wound wires 36.
As stated, the disposal box 17 of this embodiment goes up and down through lowering or hoisting gear 35, accompanies with it, and is shown in figure 11, and disposal box 17 is split into two parts up and down.
Shown in figure 12, a side disposal box (descending) 38 is fixed on grid 18 sides, the opposing party's disposal box (on) 37 be fixed in housing 11, in view of the above, when going up and down beginning, disposal box 17 can together open and close with grid 18.
As stated, according to this embodiment, because lowering or hoisting gear 35 is set in housing 11, and through lowering or hoisting gear 35 lift grilles 18 and disposal box 17, so, together go up and down through making disposal box 17 and grid 18, can make the maintenance of disposal box 17 become easy.And, can also avoid the danger of work high above the ground.
And, through disposal box 17 being divided into up and down two parts, and a side disposal box (descend) 38 is fixed on grid 18 1 sides, with the opposing party's disposal box (on) 37 be fixed on the housing 11, can be when up-down begins and grid 18 together open and close disposal box 17.
In addition, since brush 15 and comb 16 be fixed on disposal box (on) in 37, so can not cause when going up and down the position relation of cleaning part such as filter 12, brush 15, comb 16 and disposal box 17 that the situation of dislocation takes place in that disposal box 17 is each.
In above-mentioned embodiment 1,2, to the works that disposal box 17 scrapes dust comb 16 is only arranged from brush 15, and in this embodiment 3, the situation that the bottom of brush 15 is had auxiliary comb 25 describes.
The 3rd embodiment such as Figure 13 are to shown in Figure 16, and Figure 13 is the longitudinal section of ceiling-mounted formula air conditioner 100; The sectional view of the action of filter 12 when Figure 14 works for expression filter automatic sweeping machine structure portion 50; Figure 15 is the front view of comb 16; Figure 16 is the front view of auxiliary comb 25;
Only the difference to Fig. 3 of the structure of ceiling-mounted formula air conditioner 100 in this embodiment, shown in figure 13 and embodiment 1 describes.
Shown in figure 13, on the basis of the structure of Fig. 3 of embodiment 1, in filter automatic sweeping machine structure portion 50, append and be provided with auxiliary comb 25.
Therefore, filter automatic sweeping machine structure portion 50 has like lower component.
(1) filter 12;
(2) the filter guiding piece 13;
(3) the filter cylinder 14;
(4) brush 15;
(5) comb 16;
(6) disposal box 17;
(7) gear-box 19;
(8) the framework claw 20;
(9) the filter guide groove 21;
(10) filter sensors 22;
(11) auxiliary comb 25.
In addition, (8)～(10) are arranged on the filter guiding piece 13.
On the other hand, as stated, the position of auxiliary comb 25 relation contacts with the high-quality green tea of brush 15 for crown.
Because the position of auxiliary comb 25 relation contacts with the high-quality green tea of brush 15 for crown, so at ordinary times (when brush 15 is rotated in the forward), auxiliary comb 25 is not scraped the attachment of getting brush 15.
At this, being rotated in the forward of brush 15, counter-rotating are defined.With after the direction of rotation of removing the filter cylinder 14 in the journey during filter automatic sweeping machine structure portion that states 50 work be defined as and be rotated in the forward.In Figure 14, clockwise direction is for being rotated in the forward.
And the direction of rotation of the filter cylinder 14 in the backhaul during with 50 work of filter automatic sweeping machine structure portion is defined as counter-rotating.In Figure 14, counterclockwise be counter-rotating.
Next, according to Figure 14 the action of filter automatic sweeping machine structure portion 50 is described.Because the action and the embodiment 1 of filter automatic sweeping machine structure portion 50 are basic identical, so omit the explanation of the part of repetition.
When filter 12 finish to go journey move and arrive filter guide groove 21 go to the journey terminal time; Filter sensors 22 (for example microswitch etc.) detects filter 12; Filter cylinder 14 stops about 15 seconds time; Wherein, above-mentioned filter sensors 22 is arranged near the end of filter cylinder 14 opposition sides of filter guide groove 21.Then, in the time in this 15 second, made brush 15 counter-rotatings about 10 seconds (seeing Figure 14 (3)).
Through making brush 15 counter-rotatings about 10 seconds in the process that stops at filter cylinder 14; Brush 15 clockwise (being rotated in the forward) rotation when Figure 14 (2); Do not scrape and get suspension through comb 16, on the contrary, even be entangled under the situation on brush 15, the comb 16 at suspension; Also can get the suspension that is entangled on brush 15, the comb 16, and suspension is dropped in the disposal box 17 through auxiliary comb 25 combs.
Like this, through being arranged to the mode that crown contacts with the high-quality green tea of brush 15 than comb 16 thick auxiliary combs 25, at ordinary times (when brush 15 is rotated in the forward), auxiliary comb 25 is not scraped the attachment of getting on the brush 15.What filter 12 finished to remove Cheng Yidong and arrived filter guide groove 21 goes to the journey terminal; Filter cylinder 14 stops about 15 seconds time, still, and through in the time in this 15 second, making brush 15 counter-rotatings about 10 seconds; Brush 15 clockwise (being rotated in the forward) rotation when Figure 14 (2); Do not scrape and get suspension through comb 16, on the contrary, even be entangled under the situation on brush 15, the comb 16 at suspension; Also can get the suspension that is entangled on brush 15, the comb 16, and suspension is dropped in the disposal box 17 through auxiliary comb 25 combs.
Claims (16)
1. ceiling-mounted formula air conditioner is characterized in that having:
Be arranged at the framework of ceiling and lower aperture,
Be arranged on the pressure fan in the said framework,
Be arranged on the decorative panel of the following of said framework and formation suction inlet, and,
Be arranged on the filter automatic sweeping machine structure portion between said decorative panel and the said pressure fan, this filter automatic sweeping machine structure portion has following element:
(1) filter, this filter is caught the suspension from said suction inlet inhaled air, overlooks that to be roughly quadrangle tabular and have flexible;
(2) filter guiding piece, this filter guiding piece is accommodated said filter, has when cleaning automatically, to make this filter remove the helicoid filter guide groove of U-shaped of the slip of journey and backhaul;
(3) the filter cylinder of the said filter of driving;
(4) scrape the brush of the suspension of said filter traps;
(5) scrape the comb that said brush is scraped the said suspension of getting;
(6) disposal box of the reception said suspension that said brush and said comb scraped.
2. ceiling-mounted formula air conditioner as claimed in claim 1 is characterized in that, the housing accommodate said filter automatic sweeping machine structure portion is set between said framework and said decorative panel.
3. like claim 1 or the described ceiling-mounted formula of claim 2 air conditioner, it is characterized in that the said filter guide groove of said filter guiding piece forms the U-shaped swinging of the figure-six that is made up of shared filter guide groove and duplex filter guide groove.
4. ceiling-mounted formula air conditioner as claimed in claim 1; It is characterized in that; The framework claw is provided with as follows, that is, this framework claw can be in prescribed limit; On said filter guiding piece, slide towards the direction parallel with said filter guide groove; This framework claw has to the コ of said case side opening font portion, and has the filter pushing portion of extending to the inside at the opposition side of said コ font portion, and this filter pushing portion is connected to the top of said filter and plays a role as the thrust piece of said filter.
5. ceiling-mounted formula air conditioner as claimed in claim 1; It is characterized in that, on the circumference at the two ends of said filter cylinder, be formed with first wildhaber-novikov gear, and; On the framework at the two ends of said filter and direction said filter cylinder quadrature; Leap is formed with second wildhaber-novikov gear endlong, and said first wildhaber-novikov gear and said second wildhaber-novikov gear mesh, and drives said filter through the motor that is connected in said filter cylinder.
6. ceiling-mounted formula air conditioner as claimed in claim 1 is characterized in that, said filter automatic sweeping machine structure portion is provided with said brush below said filter cylinder; And; Said comb is set below said brush, in addition, said disposal box is set below said comb.
7. ceiling-mounted formula air conditioner as claimed in claim 1; It is characterized in that; Said filter cylinder has filter cylinder rotating shaft; And said brush has the brush rotating shaft, and said filter cylinder rotating shaft and said brush rotating shaft have specify offset ground and be provided with on vertical direction.
8. ceiling-mounted formula air conditioner as claimed in claim 1 is characterized in that, is under the situation of fulcrum in the end with the opposition side of the front end that contacts with said brush, and said comb is provided with the mode between two tangent lines that get into said fulcrum and said brush.
9. ceiling-mounted formula air conditioner as claimed in claim 1; It is characterized in that; Said filter guiding piece has top grid and bottom grid and forms first lattice shape, and simultaneously, said filter forms second lattice shape that is formed by vertical grid that intersect and horizontal grid; Basically fully insert at said filter under the state of said filter guiding piece, said first lattice shape and said second lattice shape are overlapping.
10. ceiling-mounted formula air conditioner as claimed in claim 1; It is characterized in that; Said filter guiding piece has top grid and bottom grid, and the part of the said bottom grid of said filter guiding piece is an open and close type, can said filter freely be loaded and unloaded on said filter guiding piece.
11. ceiling-mounted formula air conditioner as claimed in claim 1 is characterized in that, is provided with grid at the suction inlet of said decorative panel, and said disposal box is installed on said grid, and the lowering or hoisting gear that said grid is gone up and down is set in said framework.
12. ceiling-mounted formula air conditioner as claimed in claim 11 is characterized in that, said disposal box (17) is split into two parts up and down, and the disposal box of bottom is fixed in said grid side, and the disposal box on top is fixed in said framework.
13. a ceiling-mounted formula air conditioner is characterized in that having:
Be arranged on the ceiling and the framework of lower aperture,
Be arranged on the pressure fan in the said framework,
Be arranged on said framework below, and be formed with the decorative panel of suction inlet, and
Be arranged on the filter automatic sweeping machine structure portion between said decorative panel and the said pressure fan, this filter automatic sweeping machine structure portion has following element:
(1) filter, this filter is caught the suspension from said suction inlet inhaled air, overlooks that to be roughly quadrangle tabular and have flexible;
(2) filter guiding piece, this filter guiding piece is accommodated said filter, has when cleaning automatically, to make this filter remove the helicoid filter guide groove of U-shaped of the slip of journey and backhaul;
(3) the filter cylinder of the said filter of driving;
The brush of the suspension that (4) scrapes said filter and captured;
(5) when this brush is rotated in the forward, scrape the comb that said brush is scraped the said suspension of getting;
(6) when said brush counter-rotating, scrape the auxiliary comb of said suspension;
The disposal box of the said suspension of (7) accommodating said brush, said comb and said auxiliary comb and scraped;
14. ceiling-mounted formula air conditioner as claimed in claim 13 is characterized in that, said filter automatic sweeping machine structure portion is provided with said brush below said filter cylinder; And; Said comb is set below said brush, in addition, said brush roughly under said auxiliary comb is set; In addition, said disposal box is set below said comb and said auxiliary comb.
15. like claim 13 or 14 described ceiling-mounted formula air conditioners; It is characterized in that; Said auxiliary comb be positioned at said brush under, be provided with towards the mode that the crown of brush side, said auxiliary comb contacts the high-quality green tea of said brush with the crown of said auxiliary comb.
16. ceiling-mounted formula air conditioner as claimed in claim 13; It is characterized in that; Said brush can forward, counter-rotating; Through making said brush counter-rotating, by said auxiliary comb the said suspension that twines on the said comb is scraped disposal box, said suspension is being wrapped on the said comb when said brush scrapes said suspension by said comb when being rotated in the forward.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-169829 | 2008-06-30 | ||
| JP2008169829 | 2008-06-30 | ||
| JP2008169829 | 2008-06-30 | ||
| JP2008-250390 | 2008-09-29 | ||
| JP2008250390 | 2008-09-29 | ||
| JP2008250390A JP4772096B2 (en) | 2008-06-30 | 2008-09-29 | Embedded ceiling air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101619873A CN101619873A (en) | 2010-01-06 |
| CN101619873B true CN101619873B (en) | 2012-09-05 |
Family
ID=41134618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100050974A Active CN101619873B (en) | 2008-06-30 | 2009-01-23 | Ceiling-embedded type air-conditioner |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP2141421B1 (en) |
| JP (1) | JP4772096B2 (en) |
| CN (1) | CN101619873B (en) |
| ES (1) | ES2632505T3 (en) |
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| KR20120083114A (en) * | 2011-01-17 | 2012-07-25 | 삼성전자주식회사 | Ceiling embedded type air conditioner |
| JP5558451B2 (en) * | 2011-10-20 | 2014-07-23 | 三菱電機株式会社 | Indoor unit of ceiling-embedded air conditioner |
| JP5591212B2 (en) * | 2011-11-25 | 2014-09-17 | 三菱電機株式会社 | Indoor unit of ceiling-embedded air conditioner |
| JP5836809B2 (en) * | 2012-01-12 | 2015-12-24 | 三菱電機株式会社 | Air conditioner filter cleaning device and air conditioner |
| JP6119114B2 (en) * | 2012-05-22 | 2017-04-26 | 三菱電機株式会社 | Showcase |
| JP2014020772A (en) * | 2012-07-24 | 2014-02-03 | Mitsubishi Electric Corp | Show case |
| JP5742809B2 (en) * | 2012-09-28 | 2015-07-01 | ダイキン工業株式会社 | Air conditioning indoor unit |
| CN104654450B (en) * | 2013-11-21 | 2018-06-05 | 珠海格力电器股份有限公司 | Courtyard machine and its courtyard machine side plate |
| CN104474809B (en) * | 2014-12-01 | 2016-11-23 | 东南大学 | A kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation |
| EP3264002B1 (en) * | 2015-03-27 | 2021-04-21 | Mitsubishi Electric Corporation | Indoor unit for air conditioner |
| KR102482011B1 (en) | 2015-05-04 | 2022-12-28 | 삼성전자주식회사 | Filter cleaning device and air conditioner havinh the same |
| JP6330775B2 (en) * | 2015-09-30 | 2018-05-30 | ダイキン工業株式会社 | Air conditioning indoor unit |
| CN105910178A (en) * | 2016-05-06 | 2016-08-31 | 广东美的制冷设备有限公司 | Air conditioner and cleaning control method thereof |
| CN105972722A (en) * | 2016-05-06 | 2016-09-28 | 广东美的制冷设备有限公司 | Air conditioner and cleaning control method thereof |
| CN105937794B (en) * | 2016-06-07 | 2019-02-12 | 浙江普瑞泰环境设备股份有限公司 | Backwashing self-cleaning purifies ventilation device |
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| JP6768072B2 (en) * | 2016-09-12 | 2020-10-14 | シャープ株式会社 | Air cleaner |
| EP3360619B1 (en) * | 2017-02-10 | 2019-09-04 | Daikin Industries, Ltd. | A filter cleaning device for an air-conditioner |
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| CN108518844B (en) * | 2018-05-31 | 2023-10-31 | 珠海格力电器股份有限公司 | Automatic filter screen updating device and air conditioner with same |
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| JP2020000986A (en) * | 2018-06-27 | 2020-01-09 | 三菱重工サーマルシステムズ株式会社 | Filter cleaning unit and air conditioner |
| CN109140624B (en) * | 2018-11-09 | 2023-09-15 | 珠海格力电器股份有限公司 | Air conditioner filter screen cleaning device, air conditioner and air conditioner filter screen cleaning method |
| CN112413741B (en) * | 2020-11-17 | 2022-06-24 | 厦门兴嘉民建设工程有限公司 | Air conditioning system convenient to overhaul |
| CN112628928B (en) * | 2020-12-14 | 2022-04-22 | 江苏锐天智能科技股份有限公司 | Ultraviolet air purification equipment with rotary reverse cleaning mechanism |
| CN113237155B (en) * | 2021-04-17 | 2023-03-21 | 兴鼎工程(深圳)有限公司 | Central air conditioning fresh air unit convenient to wash |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2141421A1 (en) | 2010-01-06 |
| ES2632505T3 (en) | 2017-09-13 |
| EP2141421B1 (en) | 2017-06-07 |
| JP2010032194A (en) | 2010-02-12 |
| JP4772096B2 (en) | 2011-09-14 |
| EP2436995A1 (en) | 2012-04-04 |
| CN101619873A (en) | 2010-01-06 |
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