CN204648473U - Air-conditioner - Google Patents

Abstract

The utility model provides a kind of air-conditioner, comprising: drain pan, and drain pan is formed with air channel; Air duct cover board, coordinates with drain pan and covers and be located on air channel, and air duct cover board has the flow-guiding mouth be communicated with air channel; Centrifugal impeller, centrifugal impeller to be arranged in air channel and corresponding with flow-guiding mouth, has fit clearance between centrifugal impeller and air duct cover board; Anti-air leakage structure, anti-air leakage structure is arranged on fit clearance and sentences the inleakage reducing fit clearance.Owing to being provided with anti-air leakage structure at fit clearance place, thus effective barrier effect is played to the two fit clearance place, avoid or reduce air intake being overflow loose by fit clearance, ensure that the reliability of air intake, ensure that and enough intakes can be had to be blown in centrifugal impeller, thus improve efficiency and the heat transfer effect of air-conditioner, and effectively reduce and cause vibration & noise because of air turbulence.Owing to fundamentally avoiding the generation of condensation, thus eliminate security threat that condensation formed electric component, eliminate potential safety hazard.

Description

Air-conditioner

Technical field

The utility model relates to technical field of heat exchange equipment, in particular to a kind of air-conditioner.

Background technology

In order to ensure the rotation reliability of centrifugal impeller, fit clearance can be reserved with between air duct cover board and centrifugal impeller, this can be overflow loose with regard to making the part air intake being blowed to centrifugal impeller by the flow-guiding mouth of air duct cover board by the fit clearance of the two, thus cause effective intake to reduce, reduce heat transfer effect and the efficiency of air-conditioner, and easily vibration & noise is caused to aggravate because of air turbulence.

In addition, owing to leaking out, place easily produces condensation, can form security threat, thus there is serious potential safety hazard to electric component.

Utility model content

Main purpose of the present utility model is to provide a kind of air-conditioner, to solve in prior art owing to leaking out the problem that effective intake is low, heat transfer effect is poor caused in centrifugal impeller and air duct cover board place.

To achieve these goals, the utility model provides a kind of air-conditioner, comprising: drain pan, and drain pan is formed with air channel; Air duct cover board, coordinates with drain pan and covers and be located on air channel, and air duct cover board has the flow-guiding mouth be communicated with air channel; Centrifugal impeller, centrifugal impeller to be arranged in air channel and corresponding with flow-guiding mouth, has fit clearance between centrifugal impeller and air duct cover board; Anti-air leakage structure, anti-air leakage structure is arranged on fit clearance and sentences the inleakage reducing fit clearance.

Further, anti-air leakage structure comprises Anti-air-leakage convex edge, and Anti-air-leakage convex edge is the flow-guiding mouth of air duct cover board stretches out flange from setting to side, air channel.

Further, anti-air leakage structure comprises the convex edge of keeping out the wind of annular, and convex edge of keeping out the wind to be arranged on centrifugal impeller and to stretch out setting to air duct cover board side, and the internal diameter of the convex edge of keeping out the wind of annular is greater than the diameter of flow-guiding mouth.

Further, ringwise, and Anti-air-leakage convex edge is positioned at the inner ring side of convex edge of keeping out the wind in Anti-air-leakage convex edge.

Further, anti-air leakage structure comprises the convex edge of keeping out the wind of being stretched out setting by centrifugal impeller to air duct cover board side.

Further, convex edge of keeping out the wind is positioned at the inner peripheral place of the upper surface of the baffle liner of centrifugal impeller.

Further, anti-air leakage structure comprises the Anti-air-leakage groove be arranged on air duct cover board, convex edge of keeping out the wind to be embedded in Anti-air-leakage groove and with Anti-air-leakage groove matched in clearance.

Further, the trough wall surface of Anti-air-leakage groove is cambered surface.

Further, the side away from drain pan of air duct cover board is provided with the brace rod for supporting evaporimeter.

Further, brace rod is positioned at the middle part of air duct cover board.

Further, flow-guiding mouth is multiple, and anti-air leakage structure is multiple, and centrifugal impeller is multiple, and multiple centrifugal impeller, multiple flow-guiding mouth and multiple anti-air leakage structure each other one_to_one corresponding are arranged.

Further, air channel is multiple, and multiple air channel is arranged independently of one another, is provided with a centrifugal impeller in each air channel.

Further, air-conditioner also comprises evaporimeter, and evaporimeter is multiple, and multiple evaporimeter and multiple flow-guiding mouth one_to_one corresponding are arranged.

Further, evaporimeter is rounded, and the shape of the shape of evaporimeter and flow-guiding mouth adapts.

Application the technical solution of the utility model, drain pan is formed with air channel, air duct cover board coordinates with drain pan and covers and is located on air channel, air duct cover board has the flow-guiding mouth be communicated with air channel, centrifugal impeller to be arranged in air channel and corresponding with flow-guiding mouth, have fit clearance between centrifugal impeller and air duct cover board, anti-air leakage structure is arranged on fit clearance and sentences the inleakage reducing fit clearance.Owing to being provided with anti-air leakage structure at fit clearance place, thus effective barrier effect is played to the two fit clearance place, avoid or reduce air intake being overflow loose by fit clearance, ensure that the reliability of air intake, ensure that and enough intakes can be had to be blown in centrifugal impeller, thus improve efficiency and the heat transfer effect of air-conditioner, and effectively reduce and cause vibration & noise because of air turbulence.Owing to fundamentally avoiding the generation of condensation, thus eliminate security threat that condensation formed electric component, eliminate potential safety hazard, thus ensure that the operational reliability of air-conditioner.

Accompanying drawing explanation

The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 shows the decomposition texture schematic diagram of the air-conditioner according to the utility model embodiment;

Fig. 2 shows the perspective view of the drain pan of the air-conditioner according to the utility model embodiment;

Fig. 3 shows the structure for amplifying schematic diagram at the P place of Fig. 2;

Fig. 4 shows the main TV structure schematic diagram of the drain pan of the air-conditioner according to the utility model embodiment;

Fig. 5 shows according to the drain pan of the air-conditioner of the utility model embodiment and the structural representation being arranged on the motor on drain pan;

Fig. 6 shows according to the drain pan of the air-conditioner of embodiment of the present utility model and the structural representation being arranged on the centrifugal blower on drain pan;

Fig. 7 shows the decomposition texture schematic diagram of Fig. 6;

Fig. 7 a shows the structural representation of the centrifugal impeller of the centrifugal blower of the air-conditioner according to the utility model embodiment;

Fig. 8 shows according to the drain pan of the air-conditioner of the utility model embodiment and the centrifugal blower decomposition texture schematic diagram that is arranged on drain pan;

Fig. 9 shows the structural representation of air duct cover board according to the air-conditioner of the utility model embodiment and electrical appliance kit;

Figure 10 shows the structural representation of the air duct cover board of the air-conditioner according to the utility model embodiment;

Figure 11 shows Figure 10 partial enlargement structural representation;

Figure 12 shows the structural representation of the first cover plate of the air-conditioner according to the utility model embodiment;

Figure 13 shows the structural representation of the second cover plate of the air-conditioner according to the utility model embodiment;

Figure 14 shows the structural representation of drain pan according to the air-conditioner of the utility model embodiment and air duct cover board;

Figure 15 show the drain pan of the air-conditioner according to the utility model embodiment, air duct cover board and centrifugal blower be installed together after structural representation;

Figure 16 shows the sectional structure schematic diagram at A-A place in Figure 15;

Figure 17 shows the structure for amplifying schematic diagram at M place in Figure 16;

Figure 18 shows the partial enlargement structural representation of Figure 16;

Figure 19 shows the structural representation of evaporimeter according to the air-conditioner of the utility model embodiment and base;

Figure 20 shows the sectional structure schematic diagram at B-B place in Figure 19;

Figure 20 a shows the structure for amplifying schematic diagram at C place in Figure 20;

Figure 21 shows the decomposition texture schematic diagram of panel body according to the air-conditioner of the utility model embodiment and front panel;

Figure 22 shows the structural representation of drives structure according to the air-conditioner of the utility model embodiment and air-inlet grille;

Figure 23 shows the structural representation of the air-conditioner (front panel is not released) according to the utility model embodiment;

Figure 24 shows the structural representation of the air-conditioner (front panel is pushed out) according to the utility model embodiment;

Figure 25 shows the sectional structure schematic diagram of Figure 24;

Figure 26 shows the perspective view of the air-conditioner (front panel is pushed out) according to the utility model embodiment;

Figure 27 shows the schematic flow sheet of the start step of the embodiment of the control method of the air-conditioner according to the utility model embodiment; And

Figure 28 shows the schematic flow sheet of the shutdown procedures of the embodiment of the control method of Figure 27.

Wherein, above-mentioned accompanying drawing comprises the following drawings mark:

1, drain pan; 11, air channel; 11a, the first side wall; 11b, the second sidewall; 111, the first air channel; 112, the second air channel; 121, upper air outlet; 122, lower air outlet; 1211, air outlet on first; 1212, air outlet on second; 1221, first time air outlet; 1222, second time air outlet; 13, electrical appliance kit installation portion; 131, electrical appliance kit; 1321, the second cable tray; 1322, the 3rd cable tray; 1323, the 4th cable tray; 133, the first cover plate; 1331, the first connecting portion; 1332, the second connecting portion; 134, the second cover plate; 1341, the 3rd connecting portion; 1342, the 4th connecting portion; 14, motor radiating hole; 151, snail tongue on first; 152, snail tongue on second; 153, first time snail tongue; 154, second time snail tongue; 16, wind mechanism is swept; 161, wind mechanism is swept on first; 162, wind mechanism is swept on second; 163, wind mechanism is swept first time; 164, wind mechanism is swept second time; 171, upper wind deflector; 173, lower wind deflector; 181, bottom surface, air channel; 1821, groove floor is installed; 1822, recess sidewall is installed; 2, air duct cover board; 21, flow-guiding mouth; 211, the first flow-guiding mouth; 212, the second flow-guiding mouth; 22, the first cable tray; 221, dividing plate; 2211, connect up breach; 222, breach is dodged; 23, box is driven; 24, Anti-air-leakage groove; 25, brace rod; 26, riser; 3, centrifugal blower; 3a, the first centrifugal blower; 3b, the second centrifugal blower; 31, centrifugal impeller; 311, wheel hub; 3111, air vent; 312, to keep out the wind convex edge; 32, motor pressing cover; 321, the first cover body; 322, flange connector; 323, structure is strengthened; 33, blower motor; 313, leaf body plate; 314, baffle liner; 4, evaporimeter; 5, base; 51, resettlement groove; 52, plummer; 53, supporting vertical plate; 54, aqueduct; 6, front panel; 61, enterprising air port; 62, lower air inlet; 63, side air inlet; 7, panel body; 71, baffle plate holding tank; 73, air-inlet grille; 74, framework; 75, screen pack; 76, driving mechanism; 81, upper air inlet baffle plate; 82, lower air intake baffle plate; 9, air outlet guard board; 91, upper air outlet guard board; 92, lower air outlet guard board; 93, stepper motor; 94, catching step face; 95, second groove is dodged; 96, sealing gasket.

Detailed description of the invention

It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.

It is noted that following detailed description is all exemplary, be intended to provide further instruction to the application.Unless otherwise, all technology used herein and scientific terminology have the identical meanings usually understood with the application person of an ordinary skill in the technical field.

As shown in Fig. 1, Fig. 9 and Figure 24, the air-conditioner of the present embodiment comprises: the drain pan 1 set gradually, centrifugal blower 3, air duct cover board 2, evaporimeter 4, panel body 7, front panel 6, upper air inlet baffle plate 81, lower air intake baffle plate 82 and air outlet guard board 9.To be introduced one by one above structure below.

As shown in Fig. 2 to Fig. 8 and Figure 25, drain pan 1 has the upper side and lower side be oppositely arranged, drain pan 1 is provided with the air channel 11 extended to downside by upside, air channel 11 has the upper air outlet 121 corresponding to upside and the lower air outlet 122 corresponding to downside, upper air outlet 121 place be provided with wind deflector 171 and on sweep wind mechanism, lower air outlet 122 place be provided with lower wind deflector 173 and under sweep wind mechanism.The upwards air-out of upper air outlet 121, the air-out downwards of lower air outlet 122.Upper air outlet 121 place be provided with wind deflector 171 and on sweep wind mechanism, lower air outlet 122 place be provided with lower wind deflector 173 and under sweep wind mechanism.Like this, user can adjust according to actual needs by upper air outlet 121 and/or lower air outlet 122 air-out, and then improves the amplitude regulated air-out direction, thus improves the comfort level of user.Drain pan 1 has motor radiating hole 14, the concrete structure in this motor radiating hole 14 and effect can be described in detail later.

As shown in Figure 9 and Figure 10, air duct cover board 2 has the flow-guiding mouth 21 be communicated with air channel 11.The concrete structure of air duct cover board 2 and effect can be described in detail later.

As shown in Fig. 1, Fig. 7, Fig. 7 a and Fig. 8, centrifugal blower 3 is arranged in air channel.The centrifugal impeller 31 that centrifugal blower 3 comprises blower motor 33 and driven by blower motor 33, centrifugal impeller 31 has leaf body plate 313.Can be described in detail later about the concrete structure of centrifugal blower 3 and position relationship.

As shown in Figure 1, evaporimeter 4 is arranged on the side away from drain pan 1 of centrifugal blower 3.In the present embodiment, whole flow-guiding mouths 21 established by evaporimeter 4 cover.Or in other embodiments, each flow-guiding mouth 21 correspondence is provided with an evaporimeter.

As shown in Figure 1, Figure 2 shown in 4 and Figure 26, front panel 6 is arranged on drain pan 1 movably, front panel 6 preferably has the open position away from drain pan 1 and the closed position near drain pan 1, when front panel 6 is in an open position, forms air inlet between front panel 6 and drain pan 1.Wherein, the air inlet side air inlet 63 that comprises enterprising air port 61 and lower air inlet 62 and be arranged between enterprising air port 61 and lower air inlet 62.Further, enterprising air port 61 and lower air inlet 62 are formed between air duct cover board 2 and front panel 6.Preferably, front panel 6 is connected with the position-adjustable ground of air duct cover board 2.Due to front panel 6 and air duct cover board 2 position-adjustable be connected, thus by changing the distance between front panel 6 and air duct cover board 2, the size of air inlet can be regulated, thus make air-conditioner have the adjustable feature of intake in the unit interval, and then optimize the heat exchange reliability of air-conditioner.Front panel 6 is arranged on drain pan 1 movably, the thickness of air-conditioner is reduced, makes air-conditioner more slim.Certainly, front panel 6 also can be fixedly installed on drain pan 1, forms air inlet between front panel 6 and drain pan 1.Panel body 7 comprises framework and covers on the screen pack 75 on framework 74.Be conducive to avoiding impurity to enter the normal work of air conditioner room unit obstruction air conditioner room unit, be conducive to the probability that reduction air conditioner room unit breaks down.

As shown in figure 24, upper air inlet baffle plate 81 correspondence is arranged on enterprising air port 61 place, and for blocking or open enterprising air port 61.Lower air intake baffle plate 82 correspondence is arranged on lower air inlet 62 place and for blocking or open lower air inlet 62.When air-conditioner is in upper air-out state, upper air inlet baffle plate 81 blocks enterprising air port 61, and when air-conditioner is in lower air-out state, lower air intake baffle plate 82 blocks lower air inlet 62.Owing to being provided with upper air inlet baffle plate 81 and lower air intake baffle plate 82, thus when carrying out air draft when exhaust outlet corresponding with it, by closing corresponding air intake baffle plate, can air draft be effectively avoided to reflux, thus effectively improve the heat transfer effect of air-conditioner, and the efficiency of air-conditioner can be significantly improved, air-conditioner is had energy consumption is low, runnability is good feature.Concrete structure and the annexation of upper air inlet baffle plate 81 and lower air intake baffle plate 82 can be described in detail later.

As shown in Fig. 9, Figure 16, Figure 18, Figure 25, each air outlet is provided with pivotable air outlet guard board 9 all accordingly, and each air outlet guard board 9 has the primary importance dodging air channel 11 and the second place closing corresponding air outlet.User can adjust according to actual needs by which air outlet, improves the amplitude regulated air-out direction, thus improves the comfort level of user.In the present embodiment, air outlet guard board comprises air outlet guard board 91 and lower air outlet guard board 92, upper air outlet guard board 91 is corresponding with upper air outlet 121 to be arranged, lower air outlet guard board 92 is corresponding with lower air outlet 122 to be arranged, upper air outlet guard board 91 can be dodged upper air outlet 121 by pivotable or be closed upper air outlet 121, and lower air outlet guard board 92 can be dodged lower air outlet 122 by pivotable or be closed lower air outlet 122.Said structure can close upper air outlet 121 or lower air outlet 122 according to user's request.When air-conditioner is in upper air-out state, in this condition, lower air outlet guard board 92 is switched to the position closing lower air outlet 122, and upper air outlet guard board 91 is positioned at the position of dodging air outlet 121, and now, air-conditioner is by means of only the air-out of upper air outlet 121.In like manner, also can by means of only the air-out of lower air outlet 122 or by upper air outlet 121 and the air-out simultaneously of lower air outlet 122.The concrete structure of air outlet guard board 9 and annexation can be described in detail later.

Be described in detail to the concrete structure in motor radiating hole 14 and effect below.

As shown in Figure 2 and Figure 8, on drain pan 1, the position of corresponding blower motor 33 has motor radiating hole 14.Because motor radiating hole 14 is arranged on drain pan 1, namely adopt the mode of drain pan 1 side heat radiation that the heat energy of blower motor 33 is discharged by the motor radiating hole 14 on drain pan 1, thus make no matter air-conditioner be in heat or under refrigeration mode, all can ensure the radiating effect of blower motor 33, eliminate the impact that patten transformation dispels the heat on blower motor 33, thus effectively improve the heat radiation reliability of blower motor 33, ensure that the stability that blower motor 33 dispels the heat, and then the running temperature of blower motor 33 is reduced, operating efficiency is high, energy consumption is low, long service life.

Form air channel 11 in drain pan 1 in the utility model, air-conditioner also comprises the motor pressing cover 32 for the shell of blower motor 33 and air channel 11 being isolated, and motor pressing cover 32 is located at the outside of blower motor 33 and is connected with drain pan 1.Due to the outside adopting motor pressing cover 32 to be located at blower motor 33, namely blower motor 33 and air channel 11 are isolated, thus the temperature of wind in air channel 11 is made can not to impact blower motor 33, and be ensure that the heat radiation reliability of blower motor 33 by the motor radiating hole 14 on drain pan 1, thus ensure that the stability of blower motor 33 running temperature.

In the preferred embodiment shown in Fig. 8, motor pressing cover 32 comprises the first cover body 321 and flange connector 322, first cover body 321 be located in the outside of the shell of blower motor 33, and the openend of the first cover body 321 is provided with flange connector 322, and flange connector 322 and drain pan 1 face coordinates.Owing to being provided with the first cover body 321, thus while guarantee blower motor 33 can be stablized and is arranged on drain pan 1, also effective blower motor 33 and air channel 11 to be isolated, thus ensure that the operational reliability of blower motor 33.Owing to being provided with flange connector 322, thus ensure that the connection reliability of the first cover body 321 and drain pan 1.Meanwhile, because flange connector 322 and drain pan 1 face coordinates, thus increase the contact area of the two, the stress effectively reducing local is concentrated.

Preferably, motor pressing cover 32 also comprises strengthens structure 323, strengthens structure 323 and is arranged on the first cover body 321.Strengthen structure 323 owing to being provided with on the first cover body 321, thus improve motor pressing cover 32 overall construction intensity, effectively improve the dependability of motor pressing cover 32.

As shown in Figure 8, strengthen structure 323 and comprise one or more reinforcement, reinforcement extends along the center of cover body to the openend of the first cover body 321, and many reinforcements are intervally installed.Certainly, reinforcement can also be arranged on the first cover body 321 ringwise.

In a not shown preferred embodiment, air-conditioner also comprises blower motor fixed support, and blower motor fixed support is crimped on the outside of blower motor 33 and is connected with drain pan 1, blower motor fixed support has the first aeration structure.Due to drain pan 1 having motor radiating hole 14, even if the wind thus in air channel 11 can be had an impact to blower motor 33 by the first aeration structure, heat now on blower motor 33 also can be dissipated in external environment condition by motor radiating hole 14, thus ensure that the heat radiation reliability of blower motor and the diversity of radiating mode.Particularly in cooling mode, the cold wind in air channel 11 can be lowered the temperature to blower motor 33, thus avoids blower motor 33 overheated, ensure that operation stability and the reliability of blower motor 33.

Preferably, air-conditioner also comprises the second cover body, second cover body can be rotatably set on blower motor fixed support, second cover body has the second aeration structure, second cover body has the first operating position and the second operating position, when the second cover body is in the first operating position, the first aeration structure is communicated with the second aeration structure and air channel 11 is communicated with blower motor 33; When the second cover body is in the second operating position, the first aeration structure and the second aeration structure are crisscross arranged air channel 11 and blower motor 33 are isolated.Owing to being provided with second cover body with the second aeration structure, thus by the operating position of change second cover body, the State Transferring that blower motor 33 is isolated with air channel 11 or is communicated with can be realized, thus when air-conditioner is in different patterns, the radiating mode of blower motor 33 can be controlled selectively.

Specifically, air-conditioner has two kinds of mode of operations and comprises refrigeration mode and heating mode, and when air-conditioner is in refrigeration mode, the second cover body is in the first operating position; When air-conditioner is in heating mode, the second cover body is in the second operating position.

When air-conditioner is in refrigeration mode, the cold wind now in air channel 11 can play the effect of cooling to blower motor 33, thus to be dispelled the heat the mode combined by the heat radiation of drain pan 1 side and cold wind, and guarantee blower motor 33 is in normal operating condition.

When air-conditioner is in heating mode, hot blast now in air channel 11 can improve the temperature of blower motor 33 further, blower motor 33 and air channel 11 is now just needed to isolate, avoid hot blast on the impact of blower motor 33, thus blower motor 33 is dispelled the heat, to ensure that blower motor 33 is in normal operating condition by means of only the motor radiating hole 14 on drain pan 1.

As shown in Figures 2 and 3, motor radiating hole 14 is in mounting hole or circle.When motor radiating hole 14 is in mounting hole, compared with the motor radiating hole 14 of circle, what effectively can increase motor radiating hole 14 offers area, thus improves the radiating effect in motor radiating hole 14.

Certainly, motor radiating hole 14 can also be set to polygon, ellipse or irregular geometry etc.

In the preferred embodiment shown in Fig. 2 and Fig. 3, motor radiating hole 14 is multiple, and multiple motor radiating hole 14 is arranged along the circumferential interval of blower motor 33, and the major diameter in motor radiating hole 14 in kidney-shaped is arranged along the radial direction of blower motor 33.Because motor radiating hole 14 is multiple, thus effectively can improve the radiating efficiency of blower motor 33, ensure the heat radiation reliability of air-conditioner.When the major diameter in the motor radiating hole 14 in kidney-shaped is arranged along the radial direction of blower motor 33, can not only ensure that area of dissipation is sufficient, also make the radiating effect homogeneity of blower motor 33 good, avoid blower motor 33 hot-spot, thus improve the operational reliability of blower motor 33.

Preferably, air-conditioner also comprises centrifugal impeller 31, and the wheel hub of centrifugal impeller 31 311 is in enclosed arcuate structure, and the outside that the wheel hub 311 of centrifugal impeller 31 is located at blower motor 33 is communicated with area with what reduce air channel 11 and blower motor 33.Because the wheel hub 311 of centrifugal impeller 31 is in enclosed arcuate structure, thus by the buffer action of self of centrifugal impeller 31, that can reduce air channel 11 and blower motor 33 is communicated with area, thus the temperature of wind, on the impact of blower motor 33, ensure that the operational reliability of blower motor 33 in reduction air channel 11.

Certainly, another preferred embodiment in, air-conditioner also comprises centrifugal impeller 31, and the wheel hub 311 of centrifugal impeller 31 has air vent 3111.Because the wheel hub 311 of centrifugal impeller 31 has air vent 3111, what thus add air channel 11 and blower motor 33 is communicated with area, when air-conditioner is in refrigeration mode, the cold wind in air channel 11 also can play the effect of cooling to blower motor 33, thus improves the heat radiation reliability of blower motor 33.

Be described in detail to the concrete structure of air duct cover board 2 and effect below.

As shown in Figure 9, the side towards drain pan 1 of air duct cover board 2 is provided with the riser 26 that the side along air channel 11 extends, and riser 26 overlaps with the sidewall in air channel 11.Riser 26 overlaps with the sidewall in air channel 11 and abuts, and occurs the problem of leaking out for preventing air channel 11.The side away from drain pan 1 of the air duct cover board 2 in the utility model is provided with the brace rod 25 for supporting evaporimeter.Owing to being provided with brace rod 25, thus ensure that the installation reliability of evaporimeter, and add the contact area of evaporimeter and air duct cover board 2, effectively avoid evaporimeter to rock, vibrate, what improve evaporimeter arranges stability and operational reliability.As shown in Figure 14 and Figure 16, brace rod 25 is positioned at the middle part of air duct cover board 2.Preferably, brace rod 25 is between two flow-guiding mouths 21.Because the heavier mass of evaporimeter, volume are larger, thus arranging brace rod 25 at the middle part of air duct cover board 2 can while the placement reliability ensureing evaporimeter, strengthen the overall construction intensity of air duct cover board 2, thus improve operational reliability and the stability of air-conditioner.

Be described in detail to the concrete structure of centrifugal blower 3 and position relationship below.

As shown in Fig. 4 to Fig. 7, Figure 16, Figure 17, drain pan 1 has bottom surface, air channel 181 and installs the installation groove of centrifugal blower 3, bottom surface, air channel 181 is positioned at installs the outer circumferential of groove, and blower motor 33 is arranged on to be installed in groove, leaf body plate 313 higher than or flush in bottom surface, air channel 181.

Air-conditioner comprises drain pan 1 and centrifugal blower 3.Drain pan 1 is provided with the air channel and air outlet that coordinate with centrifugal blower 3, centrifugal blower 3 is arranged in air channel.The air-conditioner of the present embodiment adopts centrifugal blower 3, and this centrifugal blower 3 is for the through-flow fan blade of prior art, thinner in the size of the thickness direction of air-conditioner, effectively can reduce the thickness of air-conditioner like this.Meanwhile, drain pan 1 has the installation groove installing centrifugal blower 3, and the setting of above-mentioned installation groove can reduce the thickness of air-conditioner further, makes air-conditioner more slim.In this application, centrifugal blower 3 has leaf body plate 313, and drain pan 1 has the bottom surface, air channel 181 being positioned at and installing groove outer circumferential, and leaf body plate 313 protrudes from bottom surface, air channel 181.Centrifugal blower 3 wind when air-out outwards can blow out on leaf body plate 313, the wind left after leaf body plate 313 can arrive bottom surface, air channel 181, leaf body plate 313 protrudes from bottom surface, air channel 181 and makes leaf body plate 313 less to the resistance of above-mentioned wind, and then ensure that the air output that air-conditioner can reach larger.As shown in the above, the air-conditioner of the application effectively ensure that air output while solution thickness problem, makes Consumer's Experience better.

In embodiment one, groove being installed and comprising installation groove floor 1821 and recess sidewall 1822 is installed, recess sidewall 1822 being installed by installing the extension that the direction of bottom surface, groove floor 1821 to air channel 181 expands gradually.Said structure makes out wind resistance less, and then ensures air output better.

As shown in figure 17, in embodiment one, the bus of recess sidewall 1822 is installed and installs between groove floor 1821 in acute angle α.Said structure is convenient to processing and fabricating, installation and maintenance, and said structure can ensure to going out wind resistance less simultaneously.

Above-mentioned acute angle is preferably in the scope of 40 ° to 50 °.As shown in figure 17, in the present embodiment, the bus and the angle α installed between groove floor 1821 that install recess sidewall 1822 are 45 °, and this angle makes simple, easily realizes, and are conducive to forming cushioning effect to the guiding of air flowing.

As shown in Figure 15 and Figure 16, in embodiment one, the diameter installing groove floor 1821 is greater than the external diameter of centrifugal blower 3.Which ensure that centrifugal blower 3 does gyration swimmingly in the space at its place.

As shown in figure 15, in embodiment one, air channel is set to two, and two air channels are arranged side by side, and the centrifugal blower 3 corresponding with air channel is also set to two simultaneously.The setting of the centrifugal blower 3 of two air channels and correspondence.Such one side can ensure air output, and on the other hand, taking up room of air-conditioner increases seldom.Certainly, air channel and centrifugal blower 3 can be set to more than three or three as required.

As shown in Figure 1 and Figure 7, preferably, blower fan is centrifugal blower.Centrifugal blower comprises: baffle liner 314; Leaf body plate 313, and baffle liner 314 interval is arranged, and leaf body plate 313 is formed with the projection protruded to baffle liner 314 direction, forms motor container cavity in protruding; Multiple fan blade, is installed between baffle liner 314 and leaf body plate 313, and multiple fan blade along projection circumferentially.

The middle part of leaf body plate 313 forms the projection protruded to baffle liner 314, projection is formed opening be positioned at leaf body plate 313 back to the motor container cavity on the surface of baffle liner 314, multiple fan blade is arranged equably in the circumference of projection, motor is placed between baffle liner 314 and leaf body plate 313, reduce the thickness of air conditioner room unit, further, the space shared by air-conditioning is reduced.

Be described in detail to the concrete structure of upper air inlet baffle plate 81 and lower air intake baffle plate 82 and annexation below.

As shown in Figure 23 to Figure 25, specifically, upper air inlet baffle plate 81 and lower air intake baffle plate 82 have following duty: when upper air outlet 121 and lower air outlet 122 all air-out time, upper air inlet baffle plate 81 and lower air intake baffle plate 82 block enterprising air port 61 and lower air inlet 62 respectively; And/or when only going up air outlet 121 air-out, only upper air inlet baffle plate 81 blocks enterprising air port 61; And/or when only descending air outlet 122 air-out, only descend air intake baffle plate 82 to block lower air inlet 62.

It should be noted that herein, while preventing air draft from refluxing, also need to ensure that air-conditioner has enough intakes, otherwise heat transfer effect and the efficiency of air-conditioner can be reduced equally.Therefore, the air-conditioner in the utility model only upper air outlet 121 and lower air outlet 122 all air-out time just upper air inlet baffle plate 81 and lower air intake baffle plate 82 are closed simultaneously, otherwise optionally close the air intake baffle plate corresponding with air draft.And when upper air outlet 121 and lower air outlet 122 are all closed, need to rely on side air inlet 63 to ensure air intake.

Upper air inlet baffle plate 81 and lower air intake baffle plate 82 are arranged between front panel 6 and air duct cover board 2 turningly.Owing to being provided with turnover upper air inlet baffle plate 81 and lower air intake baffle plate 82 between front panel 6 and air duct cover board 2, thus by controlling upper air inlet baffle plate 81 and lower air intake baffle plate 82 duty, the anti-air-return requirement of different air-out mode can be met.

As shown in figure 22, the air-conditioner of the present embodiment also comprises driving mechanism 76, and front panel 6 drives with driving mechanism 76 and is connected, and front panel 6 is released forward to form above-mentioned air inlet by driving mechanism 76.Due to above-mentioned air inlet can be formed by being released forward by front panel 6, thus optimize the air inlet/outlet pattern of air-conditioner.The both sides of panel body 7 are provided with the placement portion that the direction to drain pan 1 is protruded, and placement portion are provided with for holding driving mechanism 76.The placement portion being used for placing driving mechanism 76 is set to the form protruded to drain pan 1, is conducive to the thickness reducing air conditioner room unit, make use of space fully.

Preferably, the first side of upper air inlet baffle plate 81 is connected pivotly with front panel 6 or air duct cover board 2, and the second side of upper air inlet baffle plate 81 is free side.Because upper air inlet baffle plate 81 is connected with front panel 6 and/or air duct cover board 2 pivotly, thus improve Reliability of Microprocessor and the storage reliability of upper air inlet baffle plate 81.And when upper air inlet baffle plate 81 be in collapsed state do not keep out the wind time, upper air inlet baffle plate 81 can be close to air duct cover board 2 or front panel 6 is arranged, and to be dodged out in enterprising air port 61, thus ensure that the air intake reliability of air-conditioner.

Similarly, annexation and the upper air inlet baffle plate 81 of lower air intake baffle plate 82 and front panel 6 and/or air duct cover board 2 are similar with the annexation of front panel 6 and/or air duct cover board 2, have not just repeated here.

In a specific embodiment, the first side of upper air inlet baffle plate 81 is connected pivotly with air duct cover board 2, and the surface towards air duct cover board 2 side of front panel 6 has air intake hermetically-sealed construction, and the second side and the air intake hermetically-sealed construction of upper air inlet baffle plate 81 are sealed and matched.Owing to being provided with the air intake hermetically-sealed construction coordinated with the second side seal of upper air inlet baffle plate 81, thus ensure that the anti-air-return reliability of upper air inlet baffle plate 81, thus avoid because of the reflux problem caused of leaking out.Certainly, on front panel 6, the position of corresponding lower air intake baffle plate 82 also can be provided with above-mentioned air intake hermetically-sealed construction.

Preferably, air intake hermetically-sealed construction comprises the convex stupefied or air intake sealing station terrace of air intake sealing.When air intake hermetically-sealed construction is the convex stupefied or air intake sealing station terrace of air intake sealing, when upper air inlet baffle plate 81 is overlapped on the convex stupefied or air intake sealing station terrace of air intake sealing, not only can play the effect of sealing, also can play effect that is spacing, backstop to upper air inlet baffle plate 81, thus effectively avoid upper air inlet baffle plate 81 to move position, further increase the Reliability of Microprocessor of upper air inlet baffle plate 81.

In another specific embodiment, the first side of upper air inlet baffle plate 81 is connected pivotly with front panel 6, and the second side of upper air inlet baffle plate 81 can overturn to air duct cover board 2 side.Because front panel 6 belongs to action component, thus upper air inlet baffle plate 81 is arranged on front panel 6, total quality and the action burden of front panel 6 can be increased.

As shown in figure 21, in order to improve the storage reliability of upper air inlet baffle plate 81, the surface towards front panel 6 side of the air duct cover board 2 in the utility model has baffle plate holding tank 71, and upper air inlet baffle plate 81 can be accommodated in baffle plate holding tank 71.Because air duct cover board 2 is provided with the baffle plate holding tank 71 for receiving upper air inlet baffle plate 81, thus when upper air inlet baffle plate 81 pack up dodge enterprising air port 61 time, enterprising air port 61 can be made to open completely, unobstructed, thus ensure that the intake of air-conditioner, ensure that the efficiency of air-conditioner.

Similarly, above-mentioned baffle plate holding tank 71 also can be used for receiving lower air intake baffle plate 82.

In the preferred embodiment shown in Fig. 1 and Figure 25, air-conditioner also comprises drain pan 1, air duct cover board 2, panel body 7 and front panel 6, enterprising air port 61 and lower air inlet 62 are formed between panel body 7 and front panel 6, and upper air inlet baffle plate 81 and lower air intake baffle plate 82 are arranged between front panel 6 and panel body 7 turningly.Now, because panel body 7 is folded between air duct cover board 2 and front panel 6, when thus front wall 6 moves, air inlet should be formed between panel body 7 and front panel 6.

Preferably, front panel 6 is connected with the position-adjustable ground of panel body 7.Due to front panel 6 and panel body 7 position-adjustable be connected, thus by changing the distance between front panel and panel body 7, the size of air inlet can be regulated, thus make air-conditioner have the adjustable feature of intake in the unit interval, and then optimize the heat exchange reliability of air-conditioner.

Now, the first side of upper air inlet baffle plate 81 is connected pivotly with front panel 6 and/or panel body 7, and the second side of upper air inlet baffle plate 81 is free side.Because upper air inlet baffle plate 81 is connected with front panel 6 and/or panel body 7 pivotly, thus improve Reliability of Microprocessor and the storage reliability of upper air inlet baffle plate 81.And when upper air inlet baffle plate 81 be in collapsed state do not keep out the wind time, upper air inlet baffle plate 81 can be close to panel body 7 or front panel 6 is arranged, and to be dodged out in enterprising air port 61, thus ensure that the air intake reliability of air-conditioner.

Similarly, annexation and the upper air inlet baffle plate 81 of lower air intake baffle plate 82 and front panel 6 and/or panel body 7 are similar with the annexation of front panel 6 and/or panel body 7, have not just repeated here.

In this preferred embodiment, the first side of upper air inlet baffle plate 81 is connected pivotly with panel body 7, and the surface towards panel body 7 side of front panel 6 has air intake hermetically-sealed construction, and the second side and the air intake hermetically-sealed construction of upper air inlet baffle plate 81 are sealed and matched.Owing to being provided with the air intake hermetically-sealed construction coordinated with the second side seal of upper air inlet baffle plate 81, thus ensure that the anti-air-return reliability of upper air inlet baffle plate 81, thus avoid because of the reflux problem caused of leaking out.Certainly, on front panel 6, the position of corresponding lower air intake baffle plate 82 also can be provided with above-mentioned air intake hermetically-sealed construction.

Similarly, above-mentioned air intake hermetically-sealed construction comprises the convex stupefied or air intake sealing station terrace of air intake sealing.

Or the first side of upper air inlet baffle plate 81 is connected pivotly with front panel 6, and the second side of upper air inlet baffle plate 81 can overturn to panel body 7 side.

As shown in figure 24, in order to improve the storage reliability of upper air inlet baffle plate 81, the surface towards front panel 6 side of the panel body 7 in the utility model has baffle plate holding tank 71, and upper air inlet baffle plate 81 can be accommodated in baffle plate holding tank 71.Because panel body 7 is provided with the baffle plate holding tank 71 for receiving upper air inlet baffle plate 81, thus when upper air inlet baffle plate 81 pack up dodge enterprising air port 61 time, enterprising air port 61 can be made to open completely, unobstructed, thus ensure that the intake of air-conditioner, ensure that the efficiency of air-conditioner.Similarly, above-mentioned baffle plate holding tank 71 also can be used for receiving lower air intake baffle plate 82.

Air-conditioner in the utility model also comprises the air-inlet grille 73 corresponding respectively to side air inlet 63 and the setting of lower air inlet 62 place, and air-inlet grille 73 is connected to be synchronized with the movement with front panel 6 with driving mechanism 76 and/or front panel 6.Owing to being provided with air-inlet grille 73, thus can effectively avoiding the problem causing unexpected injury because staff touches air inlet by mistake, thus improve the safety in utilization of air-conditioner.

As shown in figure 22, this air-inlet grille 73 is shutter form.After whole machine installation is on wall, the internal construction details of air-conditioner cannot be seen through air-inlet grille 73 from the angle of user, and room air enters air-conditioner inside by air-inlet grille 73, and carry out heat exchange and air conditioning.

In order to improve the storage reliability of air-inlet grille 73, panel body 7 is provided with grid holding tank, air-inlet grille 73 can be accommodated in grid holding tank.

Be described in detail to the concrete structure of air outlet guard board 9 and annexation below.

As shown in fig. 16 and 18, air outlet guard board 9 is driven by stepper motor 93.Stepper motor 93 is controllable motor, is conducive to solving rotating problem not in place.

The first side wall 11a in air channel 11 is formed by air duct cover board 2, and the second sidewall 11b in air channel 11 is formed by drain pan 1.

Preferably, in primary importance, air outlet guard board 9 is attached on the first side wall 11a in air channel 11.Be conducive to the ventilation avoiding stopping air channel 11.

Preferably, air channel 11 has the first side wall 11a positioned opposite and the second sidewall 11b, and the first end of air outlet guard board 9 is pivotally connected on the first side wall 11a in air channel 11, and the second end of air outlet guard board 9 coordinates with the second sidewall 11b in air channel 11.

The first end the first side wall 11a in air channel 11 being formed promising air outlet guard board 9 provides the rotation groove of rotation space, in the second place, the first end of air outlet guard board 9 and the cell wall close fit of rotation slot, second end of air outlet guard board 9 coordinates with the second sidewall 11b in air channel 11, to close corresponding air outlet.

Preferably, the first side wall 11a in air channel 11 is formed and first dodges groove for what receive air outlet guard board.In primary importance, air outlet guard board 9 is positioned at first and dodges groove, and attaches the first side wall 11a, to avoid stopping that air outlet ventilates.

Preferably, the second sidewall 11b in air channel 11 is provided with catching step face 94, and the second end of air outlet guard board 9 coordinates with catching step face 94.In the second place, the second end of air outlet guard board 9 abuts with catching step face 94, increases contact area, is conducive to improving sealing effectiveness.

Preferably, catching step face 94 is back to corresponding air outlet 11.Catching step face 94 is towards the side of the wind comes from, when closing corresponding air outlet, the wind comes from and drive air outlet guard board 9 to rotate to catching step face 94, the pressure of the wind comes from air channel 11 impels the second end extruding catching step face 94 of air outlet guard board 9, is conducive to improving sealing effectiveness further.

Preferably, the second sidewall 11b in air channel 11 is formed with second of second end of dodging air outlet guard board and dodges groove 95, the second cell wall back to air outlet of dodging groove 95 forms catching step face 94.

Second to dodge groove 95 be the arc suitable with the second end motion track of air outlet guard board 9, forms catching step face 94 at the second end motion final on trajectory of air outlet guard board 9.

Preferably, sealing gasket 96 is provided with between air outlet guard board 9 and catching step face 94.Further, improve sealing effectiveness, prevent air leakage phenomena.Sealing gasket 96 can select sponge, rubber etc. to have flexible material.

One in two air outlets in air channel 11 top being formed in air-conditioner, another is formed in the bottom of air-conditioner.In cooling mode, if user does not like cold wind directly to blow, air outlet upwards can be selected downwards; In a heating mode, user directly blows as liked hot blast, can select downward air outlet.Which air outlet client according to oneself needs, can adjust by.

Air channel 11 has the first side wall 11a positioned opposite and the second sidewall 11b, and the first side wall 11a in air channel 11 has the second inclination wind-guiding face that the first inclination wind-guiding face of close air outlet and/or the second sidewall 11b have close air outlet.

Preferably, the first side wall 11a has the first inclination wind-guiding face, and the first inclination wind-guiding tilts towards the direction deviating from wall; Second sidewall 11b has the second inclination wind-guiding face, and the second inclination wind-guiding tilts towards the direction deviating from wall.The first side wall and the second sidewall are configured to air-out direction and tilt towards the direction of departing from wall.

Preferably, air-conditioner comprises two air channels 11 be arranged side by side.Being conducive to the air quantity because improving heat exchange, improving the efficiency of heat exchange.

Provide a kind of air outlet guard board control method of above-mentioned air-conditioner according to another aspect of the present utility model, comprising: utilize stepper motor 93 to drive air outlet guard board to rotate.

Preferably, stepper motor 93 is being utilized to drive air outlet guard board rotation to comprise: the umber of pulse to stepper motor 93 output is greater than the umber of pulse needed for the stepper motor calculating gained.

Amount of spin and the received umber of pulse of stepper motor are proportional; calculating the umber of pulse needed for stepper motor of gained is according to presetting the amount of spin of required stepper motor 93 and the required pulse number calculated based on its proportional relation; but stepper motor often there will be actual rotation amount and the unmatched phenomenon of received umber of pulse; in order to avoid the phenomenon that air outlet guard board can not rotate in place, to stepper motor export umber of pulse be greater than calculate gained stepper motor needed for umber of pulse to solve the above problems.

In the present embodiment, air-conditioner also comprises anti-air leakage structure.Be described in detail to the structure of anti-air leakage structure and effect below.

As shown in Fig. 1 and Figure 16, drain pan 1 is formed with air channel 11, air duct cover board 2 coordinates with drain pan 1 and covers and is located on air channel 11, and air duct cover board 2 has the flow-guiding mouth 21 be communicated with air channel 11; It is interior and corresponding with flow-guiding mouth 21 that centrifugal impeller 31 is arranged on air channel 11, has fit clearance between centrifugal impeller 31 and air duct cover board 2; Anti-air leakage structure is arranged on fit clearance and sentences the inleakage reducing fit clearance.

Owing to being provided with anti-air leakage structure at fit clearance place, thus effective barrier effect is played to the two fit clearance place, avoid or reduce air intake being overflow loose by fit clearance, ensure that the reliability of air intake, ensure that and enough intakes can be had to be blown in centrifugal impeller 31, thus improve efficiency and the heat transfer effect of air-conditioner, and effectively reduce and cause vibration & noise because of air turbulence.Owing to fundamentally avoiding the generation of condensation, thus eliminate security threat that condensation formed electric component, eliminate potential safety hazard, thus ensure that the operational reliability of air-conditioner.

As shown in figure 16, the anti-air leakage structure in the utility model comprises the convex edge 312 of keeping out the wind of annular, and convex edge 312 of keeping out the wind to be arranged on centrifugal impeller 31 and to stretch out setting to air duct cover board 2 side, and the internal diameter of the convex edge 312 of keeping out the wind of annular is greater than the diameter of flow-guiding mouth 21.Owing to being provided with the convex edge 312 of keeping out the wind of stretching out towards air duct cover board 2 side on centrifugal impeller 31, thus make fit clearance be at least partially obscured, thus reduce width and the inleakage in gap of leaking out, and then improve effective intake and the air intake reliability of air-conditioner.

In the detailed description of the invention shown in Figure 16, convex edge 312 of keeping out the wind is positioned at the inner peripheral place of the upper surface of the baffle liner of centrifugal impeller 31.Because convex edge 312 of keeping out the wind is positioned at the inner peripheral place of the baffle liner of centrifugal impeller 31, thus can stop the spill and leakage of air intake in the very first time, optimize the effect of Anti-air-leakage.

Certainly, convex edge 312 of keeping out the wind can also be arranged on part between the inner ring of centrifugal impeller 31 and outer ring, or be set directly at the side, outer ring of centrifugal impeller 31, although the effect of Anti-air-leakage so also can be played, but inevitably make to produce eddy current in the space of part air quantity between the inner ring side of convex edge 312 and centrifugal impeller 31 of keeping out the wind, easily cause air turbulence, easily the vibration & noise of aggravation air-conditioner.

Preferably, anti-air leakage structure comprises the Anti-air-leakage groove 24 be arranged on air duct cover board 2, convex edge 312 of keeping out the wind to be embedded in Anti-air-leakage groove 24 and with Anti-air-leakage groove 24 matched in clearance (please refer to Figure 16).Because convex edge 312 of keeping out the wind is embedded in Anti-air-leakage groove 24, thus triple blocking is formed leaking out on direction, extend wind to overflow loose path, and add the tortuosity in loose path of overflowing, thus make wind be not easy from fit clearance spill and leakage, ensure that the Anti-air-leakage reliability between centrifugal impeller 31 and air duct cover board 2.

Further, the trough wall surface of Anti-air-leakage groove 24 is cambered surface.Trough wall surface due to Anti-air-leakage groove 24 is cambered surface, thus can move along the wind-guiding surface current of smooth radian when wind overflows loose, thus avoids stress and concentrate or vortex, effectively reduces the vibration & noise of air-conditioner.

Anti-air leakage structure in the utility model comprises Anti-air-leakage convex edge, and Anti-air-leakage convex edge is the flow-guiding mouth 21 of air duct cover board 2 stretches out flange from setting to side, air channel 11.Because wind is moved by air duct cover board 2 side direction centrifugal impeller 31 effluent, thus leakproof convex edge can be played and effectively be led wind action, thus wind is poured into smoothly in centrifugal impeller 31 under the effect of Anti-air-leakage convex edge.Because Anti-air-leakage convex edge stretches out setting by air duct cover board 2 to centrifugal impeller 31 side, thus make fit clearance be at least partially obscured, thus reduce width and the inleakage in gap of leaking out, and then improve effective intake and the air intake reliability of air-conditioner.

When Anti-air-leakage convex edge embeds inside flow-guiding mouth 21, and when stretching into further to centrifugal impeller 31 side, now can change the opening direction in gap of leaking out, preferably, the peripheral region stretching out to the inner ring side of centrifugal impeller 31 that Anti-air-leakage convex edge is positioned at flow-guiding mouth 21 arranges and deviates from mutually with the air intake direction of flow-guiding mouth 21 with the opening direction in gap that makes to leak out.When the opening direction in gap of leaking out deviates from mutually with the air intake direction of flow-guiding mouth 21, now directly be blown in centrifugal impeller 31 by the wind comes from of air intake direction, and air intake is difficult to change flow to and enters and leak out in the opening in gap, thus the inleakage effectively reduced between centrifugal impeller 31 and air duct cover board 2, ensure that efficiency and the heat transfer effect of air-conditioner.

In order to improve Anti-air-leakage effect further, ringwise, and Anti-air-leakage convex edge is positioned at the inner ring side of convex edge 312 of keeping out the wind in Anti-air-leakage convex edge.Owing to being provided with keep out the wind convex edge 312 and Anti-air-leakage convex edge simultaneously, thus forming dual Anti-air-leakage protection, reduce further inleakage.Lead wind action because Anti-air-leakage convex edge has simultaneously, thus when Anti-air-leakage convex edge contacts with air intake prior to convex edge 312 of keeping out the wind, Anti-air-leakage effect can be optimized, make air duct cover board 2 pairs of centrifugal impellers 31 play the effect of certain covering property, sealing.

Certainly, can also make to keep out the wind convex edge 312 and convex edge of leaking out is arranged at interval successively along direction of leaking out.But the Anti-air-leakage effect of the air-conditioner arranged like this is relatively poor.

Flow-guiding mouth 21 in the utility model is multiple, and anti-air leakage structure is multiple, and centrifugal impeller 31 is multiple, and multiple centrifugal impeller 31, multiple flow-guiding mouth 21 and multiple anti-air leakage structure each other one_to_one corresponding are arranged.Because each flow-guiding mouth 21 place is all to there being above-mentioned anti-air leakage structure, thus ensure that the overall Anti-air-leakage performance of air-conditioner.In the preferred embodiment shown in Figure 10, flow-guiding mouth 21 is two, and two equal correspondences in flow-guiding mouth 21 place are provided with above-mentioned anti-air leakage structure.

Preferably, air channel 11 is multiple, and multiple air channel 11 is arranged independently of one another, and multiple air channel 11 and multiple centrifugal impeller 31 one_to_one corresponding are arranged.Because multiple air channel 11 is arranged independently of one another, cause air-flow chaotic when thus effectively avoiding multiple centrifugal impeller 31 to run, improve the air-out reliability of air-conditioner.

In order to improve the efficiency of air-conditioner further and control diversity, the evaporimeter in the utility model is multiple, and multiple evaporimeter and multiple flow-guiding mouth 21 one_to_one corresponding are arranged.Owing to using multiple evaporimeter, reduce the quality of single evaporimeter, thus improve the installation convenience of air-conditioner, and when single evaporimeter fault, only need maintenance, replace single evaporimeter, thus reduce maintenance complexity and maintenance cost, and extend the service life of air-conditioner.In addition, can also be run by the single evaporimeter of control or partial vaporiser and regulate the operate power of air-conditioner, to meet different instructions for uses.

Preferably, evaporimeter is rounded, and the shape of evaporimeter is set to adapt with the shape of flow-guiding mouth 21.Shape due to evaporimeter is set to adapt with the shape of flow-guiding mouth 21, each several part on evaporimeter thus can be made to have the good feature of runnability uniformity, make the heat exchange efficiency of evaporimeter each several part homogeneous.In addition, circular evaporimeter effectively can also improve heat exchange efficiency, improves the efficiency grade of air-conditioner, reduce power consumption, and can also save material, reduces costs waste, and minimizing takes up room.

It should be noted that, in order to ensure the homogeneity of the refrigerant flow rates of each several part in evaporimeter, tube drop, Temperature Distribution, needing the wind speed profile of the refrigerant flow rates according to different stream, tube drop and evaporator surface to combine and designing caliber and a pitch of fins.High efficient heat exchanging is realized by the Combination Design of employing different tube diameters, a different pitch of fins.In addition, for convenience of processing and manufacturing, the U pipe of evaporimeter is in the same side, and opposite side pipeline carries out freezing and the operation such as to connect.

In the present embodiment, air channel 11 comprises the first air channel 111 and the second air channel 112 extended to downside by upside.Describe in detail to two air channels arrangement form and effect with the first air channel 111 and the second air channel 112 below.

As shown in Fig. 4 and Figure 24, first air channel 111 and the second air channel 112 are symmetrical arranged, wherein, first air channel 111 has and has corresponding to air outlet 1212 on second of downside and the second time air outlet 1222 corresponding to downside corresponding to air outlet 1211 on first of upside and first time air outlet 1221, second air channel 112 of corresponding to downside.Wherein, on first, on air outlet 1211 and second, air outlet 1212 forms upper air outlet 121, first time air outlet 1221 and second time air outlet 1222 forms lower air outlet 122.

As shown in Figure 4, on first, air outlet 1211 place is provided with snail tongue 151 on first, first time air outlet 1221 place is provided with first time snail tongue 153, and on second, air outlet 1212 place is provided with snail tongue 152, second time air outlet 1222 place on second and is provided with second time snail tongue 154.Particularly, first time snail tongue 153 and second time snail tongue 154 protrude towards direction close to each other respectively, on first on snail tongue 151 and second snail tongue 152 respectively to deviate from direction protrude.The air-conditioner of the present embodiment also comprises the first centrifugal blower 3a and the second centrifugal blower 3b, and wherein, the first centrifugal blower 3a is arranged in the first air channel 111, and the second centrifugal blower 3b is arranged in the second air channel 112.

In this application, first time snail tongue 153 and second time snail tongue 154 protrude towards direction close to each other respectively, and the direction that on first, on snail tongue 151 and second, snail tongue 152 deviates from is protruded.Above-mentioned first time snail tongue 153 and the setting direction of second time snail tongue 154 determine the air-out direction of the first air channel 111 at first time air outlet 1221 place and converge mutually with the air-out direction of the second air channel 112 at second time air outlet 1222 place.Like this, when air-conditioner be in heat state time, hot blast can be made to flow out from first air outlet 1221 of air-conditioner and second time air outlet 1222, the hot-air flowed out from the first air channel 111 and the hot-air flowed out from the second air channel 112 can be gathered together, and then raising heating effect, improve the heating performance of air-conditioner.Meanwhile, because hot-air density is slightly low, hot blast slowly rises after first air outlet 1221 of air-conditioner and second time air outlet 1222 blow out, like this can overall thermal circulation in forming chamber, and Thermal comfort is good.Therefore the technical scheme of the present embodiment can solve the slow problem of air conditioner heat-production speed of the prior art.

In addition, when air conditioner refrigerating, cold air can be made from air outlet 1212 air-out on air outlet first 1211 and second.Cold wind upward air-out can be avoided directly blowing to human body, and due to the low gas density of temperature large, cold wind can sink gradually, accelerates refrigerating speed.Therefore the air-conditioner of the present embodiment has good refrigeration effect, the feature that human comfort is high.

The air-conditioner of the present embodiment has four air outlets, i.e. air outlet 1212 and second time air outlet 1222 on air outlet 1211, first time air outlet 1221, second on first.As preferred embodiment, windshield plate can be set out at each air outlet place.Like this can according to user need carry out air outlet control.Particularly, in refrigeration or when heating, four air outlets can be opened simultaneously, make air output reach maximum.Certainly, be in comfortable angle and consider, air outlet guard board can be utilized when heating to close on first air outlet 1212 on air outlet 1211 and second, hot blast is only blown out from first air outlet 1221 and second time air outlet 1222.Can air outlet guard board be utilized when freezing to close first time air outlet 1221 and the air-out of second time air outlet 1222, hot blast is only blown out from air outlet 1212 on air outlet first 1211 and second.

As shown in Figure 4, in the technical scheme of the present embodiment, on first, on snail tongue 151 and second, snail tongue 152 is separately positioned on inwall close to each other on air outlet 1212 on air outlet on first 1211 and second, first time snail tongue 153 and second time snail tongue 154 to be separately positioned on first time air outlet 1221 and second time air outlet 1222 mutually away from inwall on.Meanwhile, the distance on first on snail tongue 151 and second between snail tongue 152 is less than the distance between first time snail tongue 153 and second time snail tongue 154.Said structure to make on first on air outlet 1211, second air outlet 1212, first time air outlet 1221 and second time air outlet 1222 size comparatively large, and then effectively can ensure air output.

As shown in Figure 6, in the technical scheme of the present embodiment, the blade rotation direction of the first centrifugal blower 3a is contrary with the blade rotation direction of the second centrifugal blower 3b.Particularly, when the first centrifugal blower 3a of air-conditioner and the second centrifugal blower 3b works, the first centrifugal blower 3a and the second centrifugal blower 3b can produce certain impulsive force with moving air flow to air-conditioner respectively.By the setting that the rotation direction of the blade by the blade rotation direction of the first centrifugal blower 3a and the second centrifugal blower 3b is contrary, contrary to the impulsive force direction of air-conditioner generation when the impulsive force of air-conditioner generation and the second centrifugal blower 3b being worked when the first centrifugal blower 3a can be made to work.Like this, air-conditioner uniform force can be made, operate steadily, effectively can reduce noise simultaneously.

Preferably, when air-conditioner works, the direction of rotation of the first centrifugal blower 3a is contrary with the direction of rotation of the second centrifugal blower 3b, and then the first centrifugal blower 3a and the second centrifugal blower 3b is cancelled each other to the impulsive force that air-conditioner produces.

As shown in Figure 7, in the technical scheme of the present embodiment, air-conditioner also comprises sweeping on first on wind mechanism 161 and second sweeps wind mechanism 162, sweeps wind mechanism 161 and second to sweep wind mechanism 162 and formed and sweep wind mechanism on first.Wherein, sweep wind mechanism 161 on first and be positioned at air outlet 1211 place on first, sweep wind mechanism 162 on second and be positioned at air outlet 1212 place on second.Sweep on above-mentioned first on wind mechanism 161 and second and sweep wind mechanism 162 for changing air-out direction, make the air-out direction at air outlet 1212 place in air outlet 1211 place and second on first more flexible.

Particularly, by controlling to sweep on first the direction of wind mechanism 161 and second being swept wind mechanism 162, making to sweep on first and wind mechanism 161 and second sweeping wind mechanism 162 optionally there is following duty:

Sweep on first and wind mechanism 161 and second sweep wind mechanism 162 lead to homonymy;

Sweep on first and wind mechanism 161 and second sweep wind mechanism 162 assemble guiding all to the inside;

Sweep on first on wind mechanism 161 and second and sweep wind mechanism 162 diffusion orient all laterally.

During air-conditioner work, any one duty above-mentioned can be selected.Make air-out direction more flexible like this, to meet the demand of the temperature adjustment under varying environment.

Preferably, sweep on first and wind mechanism 161 and second sweep wind mechanism 162 control respectively, above-mentioned three kinds of duties are more easily realized.

As shown in Figure 7, in the technical scheme of the present embodiment, air-conditioner also comprises to be swept wind mechanism 163 for first time and sweeps wind mechanism 164 second time, sweeps wind mechanism 163 for first time and sweeps for second time under wind mechanism 164 is formed and sweep wind mechanism.Wherein, sweep wind mechanism 163 for first time and be positioned at first time air outlet 1221 place, sweep wind mechanism 164 for second time and be positioned at second time air outlet 1222 place.Sweep wind mechanism 163 for above-mentioned first time and sweep wind mechanism 164 for second time for changing air-out direction, making the air-out direction at first time air outlet 1221 and second time air outlet 1222 place more flexible.

Particularly, by controlling the direction of sweeping wind mechanism 163 for first time and sweeping wind mechanism 164 for second time, make to sweep wind mechanism 163 for first time and sweep wind mechanism 164 for second time that optionally there is following duty:

Sweep wind mechanism 163 for first time and sweep wind mechanism 164 for second time and lead to homonymy;

Sweep wind mechanism 163 for first time and sweep wind mechanism 164 for second time and assemble guiding all to the inside;

Sweep wind mechanism 163 for first time and sweep wind mechanism 164 diffusion orient all laterally for second time.

During air-conditioner work, any one duty above-mentioned can be selected.Make air-out direction more flexible like this, to meet the demand of the temperature adjustment under varying environment.

Preferably, sweep wind mechanism 163 for first time and sweep wind mechanism 164 for second time and control respectively, above-mentioned three kinds of duties are more easily realized.

In the present embodiment, air-conditioner also comprises electrical appliance kit installation portion 13, describes in detail below to the concrete structure of electrical appliance kit installation portion 13 and annexation.Electrical appliance kit installation portion 13 to be arranged on first on snail tongue 151 and second between snail tongue 152.The electrical appliance kit 131 that circuit board is housed is provided with in this electrical appliance kit installation portion 13, first centrifugal blower 3a can be connected with foregoing circuit plate with the motor lines of the second centrifugal blower 3b, thus being embodied as the feeding electric motors of the first centrifugal blower 3a and the second centrifugal blower 3b, above-mentioned cabling is simple, and reliability is strong.In this application simultaneously, electrical appliance kit installation portion 13 is arranged in cavity that snail tongue on first 151 and second are formed between snail tongue 152, efficiently utilize the usage space of drain pan 1, thus make the internal structure of air-conditioner more compact, make air-conditioner more slim.

It should be noted that, in the present embodiment, the electric elements arranged in electrical appliance kit 131 are circuit board, and in other embodiments unshowned in the drawings, also can arrange other according to specific needs in electrical appliance kit 131 can be the electric elements of the feeding electric motors of centrifugal blower.

As shown in Fig. 5 and Figure 10, in the air-conditioner of the present embodiment, air-conditioner also comprises the air duct cover board 2 be connected on drain pan 1, first centrifugal blower 3a and the second centrifugal blower 3b is between drain pan 1 and air duct cover board 2, and air duct cover board 2 has the first flow-guiding mouth 211 corresponding to the first centrifugal blower 3a and the second flow-guiding mouth 212 corresponding to the second centrifugal blower 3b.The first flow-guiding mouth 211 on above-mentioned air duct cover board 2 and the second flow-guiding mouth 212 can respectively to by the first centrifugal blower 3a and the effects being played guiding by the air-flow of the second centrifugal blower 3b.In addition, the miscellaneous part (in the present embodiment be evaporimeter) of drain pan 1 with air-conditioner separates by air duct cover board 2, enhances the installation stability of the first centrifugal blower 3a and the second centrifugal blower 3b.

As shown in Fig. 1, Fig. 5 and Figure 10, in the air-conditioner of the present embodiment, air duct cover board 2 is provided with the side away from drain pan 1 that the first cable tray 22, first cable tray 22 is arranged on air duct cover board 2, the inner space of the first cable tray 22 and electrical appliance kit installation portion 13.In the present embodiment, the right edge of air duct cover board 2 is provided with and drives box 23, in this driving box 23, be provided with the electric elements such as driving power.The electric wire picked out from above-mentioned driving power can extend to the inner chamber of electrical appliance kit installation portion 13 by the first cable tray 22, and be connected with the circuit board in electrical appliance kit 131 and conducting, thus power for circuit board, and then the first centrifugal blower 3a and the second centrifugal blower 3b is driven to work.Meanwhile, the first cable tray 22 can make line arrangement more regular, thus effectively prevents from electric wire and miscellaneous part from producing interfering, ensure that electrical safety.It should be noted that, box 23 is driven to be not limited to be arranged in the right edge of air duct cover board 2, in other embodiments unshowned in the drawings, other positions that also can will box 23 be driven to be arranged on air duct cover board 2, such as be arranged on the limit, left side of air duct cover board 2, in these cases, the first cable tray 22 is also correspondingly arranged on the left side of air duct cover board 2.

As shown in Figure 10 and Figure 11, in the air-conditioner of the present embodiment, the first cable tray 22 is the first trough.Above-mentioned first trough structure is simple, is easy to processing and manufacturing.Certainly, the first cable tray 22 is not limited to trough, in other embodiments unshowned in the drawings, can be also other Wiring structures, such as, can be set to cable hole.

As shown in Figure 10 and Figure 11, in the air-conditioner of the present embodiment, the first trough comprises forceful electric power wire casing and light current wire casing, arranges dividing plate 221 and separate between forceful electric power wire casing and light current wire casing.Said structure can make forceful electric power line and weak electric wire arranged apart, prevent from producing electromagnetic interference between forceful electric power line and weak electric wire.

As shown in Figure 10 and Figure 11, in the air-conditioner of the present embodiment, dividing plate 221 is provided with wiring breach 2211.It is convenient that said structure makes electric wire arrange, is conducive to improving wiring efficiency.

It should be noted that, in the present embodiment, the first trough is be removably disposed in the Split type structure on air duct cover board 2, according to the specific requirement of cabling, can select the trough of different length or difformity structure.Certainly, the first trough is not limited to above-mentioned Split type structure, in other embodiments unshowned in the drawings, also the first trough and air duct cover board 2 can be set to integrative-structure.

As shown in Figure 10, in the air-conditioner of the present embodiment, position air duct cover board 2 corresponding to electrical appliance kit installation portion 13 is formed dodges breach 222.Said structure can prevent air duct cover board 2 and drain pan 1 from producing interference when mounted.

As shown in Figure 4 and Figure 5, in the air-conditioner of the present embodiment, drain pan 1 is provided with the wind path wall between the first centrifugal blower 3a and the second centrifugal blower 3b, the second cable tray 1321 is provided with in wind path wall, drain pan 1 corresponds to and is provided with the 3rd cable tray 1322 between wind path wall and the first centrifugal blower 3a, drain pan 1 is communicated with the 4th cable tray 1323 with the 3rd cable tray 1322 respectively corresponding to being provided with the 4th cable tray 1323, second cable tray 1321 between wind path wall and the second centrifugal blower 3b.Wherein, the inner space of the second cable tray 1321 and electrical appliance kit installation portion 13.

When assembling air-conditioner, the motor lines of the first centrifugal blower 3a extends to the inner chamber of electrical appliance kit installation portion 13 by the 3rd cable tray 1322 and the second cable tray 1321, and be connected with the circuit board in electrical appliance kit 131 and conducting, thus be embodied as the feeding electric motors of the first centrifugal blower 3a, drive the first centrifugal blower 3a to rotate.Similarly, the motor lines of the second centrifugal blower 3b extends to the inner chamber of electrical appliance kit installation portion 13 by the 4th cable tray 1323 and the second cable tray 1321, and be connected with the circuit board in electrical appliance kit 131 and conducting, thus be embodied as the feeding electric motors of the second centrifugal blower 3b, drive the second centrifugal blower 3b to rotate.Meanwhile, above-mentioned cable tray can make line arrangement more regular, thus effectively prevents from motor lines and miscellaneous part from producing interfering, ensure that electrical safety.

As shown in Figure 4 and Figure 5, in the air-conditioner of the present embodiment, the second cable tray 1321 is the second trough, and the 3rd cable tray 1322 is the 3rd trough, and the 4th cable tray 1323 is the 4th trough.Above-mentioned second trough, the 3rd trough and the 4th trough structure are simple, are easy to processing and manufacturing.Certainly, the second cable tray 1321, the 3rd cable tray 1322 and the 4th cable tray 1323 are not limited to trough, in other embodiments unshowned in the drawings, can be also other Wiring structures, such as, can be set to cable hole.

As shown in Figure 5, in the air-conditioner of the present embodiment, the 3rd trough is provided with on the first cover plate the 133, four trough and is provided with the second cover plate 134.Said structure can make the motor lines in the 3rd trough and the 4th trough not expose, and ensure that the fan blade of centrifugal blower does not scratch line body when rotating, prevents motor lines from damaging.Meanwhile, the integrality in air channel can be ensured again, make air channel not produce abnormal sound.

As shown in Fig. 5, Figure 12 and Figure 13, in the air-conditioner of the present embodiment, the first end of the first cover plate 133 is provided with the first connecting portion 1331, second end of the first cover plate 133 is provided with the second connecting portion 1332, the second end that the first end of the second cover plate 134 is provided with the 3rd connecting portion 1341, second cover plate 134 is provided with the 4th connecting portion 1342.First cover plate 133 is provided with the first electric wire holding tank towards the side of drain pan 1, and the second cover plate 134 is provided with the second electric wire holding tank towards the side of drain pan 1.

In the present embodiment, the 3rd trough and the 4th trough are provided with locating dowel and screw pole in the one end near the second trough, and the 3rd trough and the 4th trough are provided with slot in the one end away from the second trough.First connecting portion 1331 and the 3rd connecting portion 1341 are provided with screw hole, and the first connecting portion 1331 matches with the locating dowel on the 3rd trough and screw pole, the 3rd connecting portion 1341 matches with the locating dowel on the 4th trough and screw pole.Second connecting portion 1332 and the 4th connecting portion 1342 are inserted sheet, and the second connecting portion 1332 matches with the slot on the 3rd trough, and the 4th connecting portion 1342 matches with the slot on the 4th trough.Said structure makes the first cover plate 133 and easy accessibility between the second cover plate 134 and drain pan 1.Certainly, the structure of the first cover plate 133 and the second cover plate 134 is not limited thereto, and in other embodiments unshowned in the drawings, the first cover plate 133 and the second cover plate 134 can also for realizing other structures of fixation.

In the present embodiment, air duct cover board 2 lid is located on two air channels 11, is specially on the first air channel 111 and the second air channel 112.Air duct cover board 2 has two flow-guiding mouths, 21, two flow-guiding mouths 21 and comprise first flow-guiding mouth 211 corresponding with the first air channel 111 and second flow-guiding mouth 212 corresponding with the second air channel 112.First centrifugal blower 3a to be arranged in the first air channel 111 and to be oppositely arranged with the first flow-guiding mouth 211, and the second centrifugal blower 3b to be arranged in the second air channel 112 and to be oppositely arranged with the second flow-guiding mouth 212.Evaporimeter 4 is arranged on the side away from drain pan 1 of air duct cover board 2, and each flow-guiding mouth 21 is all oppositely arranged with evaporimeter 4.In the present embodiment, air conditioner room unit has multiple air channel 11, arrange a centrifugal blower 3 in each air channel 11, multiple centrifugal blower 3 carries out heat exchange for evaporimeter 4 and external environment, solves the problem because of deficiency in draught restriction air conditioner refrigerating existed in prior art.

Preferably, evaporimeter 4 is stacked with air duct cover board 2, and is positioned at the side back to drain pan 1 of air duct cover board 2.Air channel 11 is formed between air duct cover board 2 and drain pan 1, and extend along air duct cover board 2, and flow-guiding mouth 21 is formed on air duct cover board 2 and towards evaporimeter 4, the structure of this stacked setting is conducive to the thickness reducing air conditioner room unit, reduce the space that air conditioner room unit takies.

As shown in Figure 19, Figure 20 and Figure 20 a, the air-conditioner of the present embodiment also comprises the base 5 for carrying evaporimeter 4, base 5 is provided with the resettlement groove 51 suitable with evaporimeter 4, the sidewall of resettlement groove 51 is provided with the plummer 52 for evaporimeter 4, plummer 52 is provided with drain tank.Be provided with the supporting vertical plate 53 for supporting heat exchange unit in resettlement groove 51, supporting vertical plate 53 comprises spaced multiple gripper shoe section.Interval between adjacent two gripper shoe sections is used for for condensation water flow, too high with the water level of the condensed water avoiding local.

As illustrated in figures 19 and 20, in resettlement groove 51, being provided with discharge opening, discharge opening being connected with the aqueduct 54 for being guided into by condensed water outside air conditioner room unit.Plummer 52 is provided with multiple drain tank along evaporimeter 4, flows to the bottom of resettlement groove 51 smoothly so that unification is guided into outside air conditioner room unit for making condensed water.Base 5 is connected on air duct cover board 2, and is positioned at the side back to drain pan 1 of air duct cover board 2.Base 5 can be one-body molded with air duct cover board 2, also can split arrange.Evaporimeter 4 comprises: evaporator body and boundary frame area.Above-mentioned boundary frame area is arranged on the below of evaporator body, boundary frame area is provided with multiple osculum.The condensed water that evaporator body produces, flows to through osculum in the resettlement groove 51 of the base 5 be arranged on below evaporator body, is then guided into outside air conditioner room unit by aqueduct 54.Preferably, multiple osculum is divided into arranges osculum more, and the osculum of two adjacent rows is crisscross arranged.Reduce the distance of adjacent two osculums on the direction of osculum row, contribute to the smooth discharge realizing condensed water.

The present embodiment air-conditioner also comprises the display be connected with described electrical appliance kit, and described display is for showing the parameter such as duty, indoor temperature of air conditioner room unit.

Present invention also provides a kind of control method of air-conditioner, for controlling above-mentioned air-conditioner.As shown in figure 27, comprise start step and shutdown procedures according to the control method of the present embodiment, wherein, start step comprises the following steps:

Step S10: to the extrapolated front panel 6 in direction away from drain pan 1, make front panel 6 move to open position by closed position;

Step S30: upper wind deflector 171 and/or lower wind deflector 173 are opened;

Step S40: centrifugal blower 3 is rotated;

Step S60: make to sweep wind mechanism and/or under sweep wind mechanism motion.

In the present embodiment, above-mentioned step S10, step S30, step S40 and step S60 carry out successively.Certainly, one skilled in the art will appreciate that as optional embodiment, step S30 and step S40 can synchronously carry out.

As shown in figure 27, in the present embodiment, further comprising the steps of between step S10 and step S30:

Step S20: make upper air inlet baffle plate 81 pivotable to close enterprising air port 61 and/or lower air intake baffle plate 82 pivotable to close lower air inlet 62 according to the air-out state of upper air outlet 121 and lower air outlet 122.

Certainly, one skilled in the art will appreciate that as optional embodiment, above-mentioned steps S20 can also carry out between step S40 and step S60.

As shown in figure 27, in the present embodiment, further comprising the steps of between step S40 and step S60:

Step S50: the air-out state according to upper air outlet and lower air outlet makes upper air outlet guard board 91 pivotable to close upper air outlet 121 or to make lower air outlet guard board 92 pivotable to close lower air outlet 122.

It should be noted that when step S20 carries out between step S40 and step S60, step S20 needs to carry out before step S50.

The control method of application the present embodiment, first makes front panel 6 move, can effectively dodge other moving components like this, can ensure that the thickness of air-conditioner is the thinnest like this.In addition, allow wind deflector 171 and/or lower wind deflector 173 prior on sweep wind mechanism and/or under sweep wind mechanism motion and also can ensure can not interfere between motion, be conducive to air-conditioner overall dimensions and diminish.

As shown in figure 28, in the present embodiment, shutdown procedures comprises the following steps:

Step S100: centrifugal blower 3 is stopped the rotation;

Step S300: make to sweep wind mechanism and/or under sweep wind mechanism stop motion;

Step S500: close and close wind deflector 171 and/or lower wind deflector 173;

Step S600: inwardly reclaim front panel 6 to the direction towards drain pan 1, makes front panel 6 move to closed position by open position.

As shown in figure 28, in the present embodiment, further comprising the steps of between step S300 and step S500:

Step S400: make upper air inlet baffle plate 81 be switched to the position of dodging enterprising air port 61, and/or lower air intake baffle plate 82 is switched to the position of dodging lower air inlet 62.

As shown in figure 28, in the present embodiment, further comprising the steps of between step S100 and step S300:

Step S200: make air outlet guard board 91 be switched to the position of dodging enterprising air port 61, and/or lower air outlet guard board 92 is switched to the position of dodging lower air inlet 62.

The control method of application the present embodiment, make to sweep wind mechanism and/or under sweep wind mechanism stop motion prior to upper wind deflector 171 and/or lower wind deflector 173 stop motion, finally make front panel 6 reclaim.Can ensure like this can not interfere between motion.

Certainly, one skilled in the art will appreciate that as optional embodiment, above-mentioned step S200, step S300, step S400 and step S500 also can synchronously carry out.Or only step S200 and step S300 synchronously carries out.Certainly, in order to avoid interfering, the air conditioner sizes of above-mentioned two kinds of way of example can slightly larger than some.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (14)

1. an air-conditioner, is characterized in that, comprising:

Drain pan (1), described drain pan (1) is formed with air channel (11);

Air duct cover board (2), coordinates with described drain pan (1) and covers and be located on described air channel (11), and described air duct cover board (2) has the flow-guiding mouth (21) be communicated with described air channel (11);

Centrifugal impeller (31), it is interior and corresponding with described flow-guiding mouth (21) that described centrifugal impeller (31) is arranged on described air channel (11), has fit clearance between described centrifugal impeller (31) and described air duct cover board (2);

Anti-air leakage structure, described anti-air leakage structure is arranged on described fit clearance and sentences the inleakage reducing described fit clearance.

2. air-conditioner according to claim 1, it is characterized in that, described anti-air leakage structure comprises Anti-air-leakage convex edge, and described Anti-air-leakage convex edge is the described flow-guiding mouth (21) of described air duct cover board (2) stretches out flange from setting to described air channel (11) side.

3. air-conditioner according to claim 2, it is characterized in that, described anti-air leakage structure comprises the convex edge of keeping out the wind (312) of annular, described convex edge of keeping out the wind (312) is arranged on described centrifugal impeller (31) and goes up and stretch out setting to described air duct cover board (2) side, and the internal diameter of convex edge (312) of keeping out the wind described in annular is greater than the diameter of described flow-guiding mouth (21).

4. air-conditioner according to claim 3, is characterized in that, described Anti-air-leakage convex edge ringwise, and described Anti-air-leakage convex edge be positioned at described in keep out the wind the inner ring side of convex edge (312).

5. air-conditioner according to claim 1, is characterized in that, described anti-air leakage structure comprises the convex edge of keeping out the wind (312) of being stretched out setting by described centrifugal impeller (31) to described air duct cover board (2) side.

6. air-conditioner according to claim 5, is characterized in that, described in convex edge (312) of keeping out the wind be positioned at the inner peripheral place of the upper surface of the baffle liner (314) of described centrifugal impeller (31).

7. air-conditioner according to claim 5, it is characterized in that, described anti-air leakage structure comprises the Anti-air-leakage groove (24) be arranged on described air duct cover board (2), described in keep out the wind convex edge (312) to be embedded in described Anti-air-leakage groove (24) and with described Anti-air-leakage groove (24) matched in clearance.

8. air-conditioner according to claim 7, is characterized in that, the trough wall surface of described Anti-air-leakage groove (24) is cambered surface.

9. air-conditioner according to any one of claim 1 to 8, it is characterized in that, the side away from described drain pan (1) of described air duct cover board (2) is provided with the brace rod (25) for supporting evaporimeter (4).

10. air-conditioner according to claim 9, is characterized in that, described brace rod (25) is positioned at the middle part of described air duct cover board (2).

11. air-conditioners according to any one of claim 1 to 8, it is characterized in that, described flow-guiding mouth (21) is for multiple, described anti-air leakage structure is multiple, described centrifugal impeller (31) is for multiple, and multiple described centrifugal impeller (31), multiple described flow-guiding mouth (21) and multiple described anti-air leakage structure each other one_to_one corresponding are arranged.

12. air-conditioners according to claim 11, it is characterized in that, described air channel (11) is for multiple, and multiple described air channel (11) is arranged independently of one another, is provided with a described centrifugal impeller (31) in each described air channel (11).

13. air-conditioners according to claim 11, it is characterized in that, described air-conditioner also comprises evaporimeter (4), and described evaporimeter (4) is for multiple, and multiple described evaporimeter (4) and multiple described flow-guiding mouth (21) one_to_one corresponding are arranged.

14. air-conditioners according to claim 13, is characterized in that, described evaporimeter (4) is rounded, and the shape of the shape of described evaporimeter (4) and described flow-guiding mouth (21) adapts.