CN102654305B - Air conditioner and control method and control device thereof - Google Patents
Air conditioner and control method and control device thereof Download PDFInfo
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- CN102654305B CN102654305B CN201110050522.9A CN201110050522A CN102654305B CN 102654305 B CN102654305 B CN 102654305B CN 201110050522 A CN201110050522 A CN 201110050522A CN 102654305 B CN102654305 B CN 102654305B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010408 sweeping Methods 0.000 claims abstract description 45
- 238000007664 blowing Methods 0.000 claims description 49
- 238000011217 control strategy Methods 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 21
- 238000010586 diagram Methods 0.000 description 22
- 238000004378 air conditioning Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides an air conditioner and a control method and a control device thereof, which are used for solving the problem that the control of the air supply angle of the air conditioner in the prior art is inconvenient for a user to set. The air conditioner comprises a plurality of wind sweeping blades and motors for controlling the wind sweeping blades to swing, wherein the wind sweeping blades are divided into two or more groups, and the number of the motors is two or more; the swing of each group of the wind sweeping blades is controlled by different motors respectively. The technical scheme of the invention can enable a user to conveniently set according to the installation result, effectively improve the pertinence of the air supply area, improve the air supply efficiency and achieve the aim of saving energy.
Description
Technical field
The present invention relates to a kind of air-conditioner and control method thereof and control device.
Background technology
Current most of air-conditionings, the setting of wind direction is blown according to fixing wind direction uniformly.If room is bigger than normal, like this will some be local because wind direction is former thereby do not have cold wind or hot blast to deliver to, the temperature that whole room temperature will reach air-conditioning setting just needs for a long time, will certainly cause the waste of the energy, resource like this, and when in use, air-conditioner does not often reach desirable duty.
Be directed to this, patent 200510036566.0 discloses a kind of individual blowing-in angle calculating method of air conditioner, and the method need to first be measured the size in room and the installation site of air-conditioning, then by formula such as trigonometric functions, calculates.This method is carried out individual blowing by air-conditioner itself according to fixed routine, is not easy to user and arranges.
In the prior art, the control of the wind direction of air-conditioner is not easy to user and arranges, and for this problem, not yet proposes at present effective solution.
Summary of the invention
Main purpose of the present invention is to provide a kind of air-conditioner and control method and control device, to solve the control of the wind direction of air-conditioner in prior art, is not easy to the problem that user arranges.
To achieve these goals, according to an aspect of the present invention, provide a kind of air-conditioner.
Air-conditioner of the present invention comprises that multi-disc sweeps air blade and sweep for controlling the motor that air blade swings, described in sweep air blade and be divided into two groups or more, described motor is two or more; Described in every group, sweeping the swing of air blade is controlled respectively by different described motors.
Further, described in sweep air blade be divided into left and right two groups, by two motors, control respectively two groups and sweep swinging of air blade.
According to a further aspect in the invention, provide a kind of method of controlling air-conditioner.
The method of control air-conditioner of the present invention is used for controlling air-conditioner of the present invention, comprising: obtain the positional information of air-conditioner, described positional information comprises that air-conditioner is on left side, the right side of room wall, or left and right is placed in the middle; Receive the control information of air-conditioner blowing range, described blowing range comprises left side, room, right side, room or room gamut; According to described positional information and described control information, use the default pendulum angle of sweeping air blade that aerofoil control strategy is controlled described air-conditioner of sweeping.
Further, the described aerofoil control strategy of sweeping comprises following one or more: first, for being arranged on room wall left and right air-conditioner placed in the middle, if blowing range is room gamut, left half is swept aerofoil and is swung the first predetermined angle left, and right half is swept aerofoil and swung the first predetermined angle to the right; If blowing range is left side, room, all aerofoils of sweeping swing the first predetermined angle left; If blowing range is right side, room, all aerofoils of sweeping swing the first predetermined angle to the right; Second, for the air-conditioner that is arranged on room wall left side, if blowing range is room gamut, left half is swept aerofoil just forward, and right half is swept aerofoil and swung the first predetermined angle to the right; If blowing range is room left side, allly sweep aerofoil just forward; If blowing range is right side, room, all aerofoils of sweeping swing the second predetermined angle to the right; The 3rd, for the air-conditioner that is arranged on room wall right side, if blowing range is room gamut, left half is swept aerofoil and is swung the first predetermined angle left, and right half is swept aerofoil just forward; If blowing range is left side, room, all aerofoils of sweeping swing the second predetermined angle left; If blowing range is right side, room, allly sweep aerofoil just forward.
Further, described the second predetermined angle is greater than described the first predetermined angle.
Further, the positional information of described air-conditioner also comprises that air-conditioner is in the long limit in the room of various Aspect Ratios or the information of minor face; And described method also comprises: the instruction of obtaining information and the air-conditioner operating mode of room Aspect Ratio; The angle of the air quantity of controlling described air-conditioner according to default wind deflector up and down and air quantity control strategy and up and down wind deflector and horizontal level.
Further, the positional information of described air-conditioner comprises: any limit in air-conditioner room in preset range at Aspect Ratio; Air-conditioner is greater than long limit or the minor face in the room of preset value at Aspect Ratio.
Further, described upper and lower wind deflector and air quantity control strategy comprise following one or more: first, for the air-conditioner that is arranged on the minor face in the room that the room of Aspect Ratio in preset range or Aspect Ratio be greater than preset value, air quantity is time prime time, and, under cooling condition, the position of upper and lower wind deflector is downward the 3rd predetermined angle of horizontal level; Under heating condition, the position of upper and lower wind deflector is upper/lower positions; Second, for the air-conditioner on long limit that is arranged on Aspect Ratio and is greater than the room of preset value, air quantity is the prime time, and under cooling condition, the position of upper and lower wind deflector is horizontal level; Under heating condition, the position of upper and lower wind deflector is upper/lower positions the 4th predetermined angle that makes progress.
According to another aspect of the invention, provide a kind of device of controlling air-conditioner.
The device of control air-conditioner of the present invention comprises: acquisition module, and for obtaining the positional information of air-conditioner, described positional information comprises that air-conditioner is on left side, the right side of room wall, or left and right is placed in the middle; Receiver module, for receiving the control information of air-conditioner blowing range, described blowing range comprises left side, room, right side, room or room gamut; Control module, the control information receiving for the positional information obtained according to described acquisition module and described receiver module, according to the default pendulum angle of sweeping air blade that aerofoil control strategy is controlled described air-conditioner of sweeping.
Further, the described aerofoil control strategy of sweeping comprises following one or more: first, for being arranged on room wall left and right air-conditioner placed in the middle, if blowing range is room gamut, left half is swept aerofoil and is swung the first predetermined angle left, and right half is swept aerofoil and swung the first predetermined angle to the right; If blowing range is left side, room, all aerofoils of sweeping swing the first predetermined angle left; If blowing range is right side, room, all aerofoils of sweeping swing the first predetermined angle to the right; Second, for the air-conditioner that is arranged on room wall left side, if blowing range is room gamut, left half is swept aerofoil just forward, and right half is swept aerofoil and swung the first predetermined angle to the right; If blowing range is room left side, allly sweep aerofoil just forward; If blowing range is right side, room, all aerofoils of sweeping swing the second predetermined angle to the right; The 3rd, for the air-conditioner that is arranged on room wall right side, if blowing range is room gamut, left half is swept aerofoil and is swung the first predetermined angle left, and right half is swept aerofoil just forward; If blowing range is left side, room, all aerofoils of sweeping swing the second predetermined angle left; If blowing range is right side, room, allly sweep aerofoil just forward.
Further, the positional information of described air-conditioner also comprises that air-conditioner is in the long limit in the room of various Aspect Ratios or the information of minor face; And described acquisition module is also for obtaining the instruction of information and the air-conditioner operating mode of room Aspect Ratio; The angle of the air quantity that the wind deflector up and down that described control module is also preset for basis and air quantity control strategy are controlled described air-conditioner and upper and lower wind deflector and horizontal level.
Further, described upper and lower wind deflector and air quantity control strategy comprise following one or more: first, for the air-conditioner that is arranged on the minor face in the room that the room of Aspect Ratio in preset range or Aspect Ratio be greater than preset value, air quantity is time prime time, and, under cooling condition, the position of upper and lower wind deflector is downward the 3rd predetermined angle of horizontal level; Under heating condition, the position of upper and lower wind deflector is upper/lower positions; Second, for the air-conditioner on long limit that is arranged on Aspect Ratio and is greater than the room of preset value, air quantity is the prime time, and under cooling condition, the position of upper and lower wind deflector is horizontal level; Under heating condition, the position of upper and lower wind deflector is upper/lower positions the 4th predetermined angle that makes progress.
According to technical scheme of the present invention, simple classification is done in the position of room and air-conditioner, user can arrange according to installation results after air-conditioner installation, and this mode is comparatively flexible.In addition, the aerofoil of sweeping of the air-conditioner in the embodiment of the present invention is divided into two parts, can control respectively for installation site, upper and lower wind deflector also can be adjusted angle at long limit or the minor face in room targetedly according to air-conditioner, like this, the wind deflector up and down of air-conditioner and sweep aerofoil and can automatically run to the most applicable angle, and by setting air quantity, carry out cooling/heating operation with this angle, to meet consumers' demand.Owing to having taken into full account the impact of room shape and installation site, therefore the technical scheme of the embodiment of the present invention can make user according to installation results, arrange easily, and can effectively improve the specific aim in air-supply region, improve air-supply efficiency, and reach energy-conservation object.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of a kind of structure of the air-conditioner of the embodiment of the present invention;
Fig. 2 is according to the schematic diagram of the key step of the method for the control air-conditioner of the embodiment of the present invention;
Fig. 3 A is the schematic diagram that air blade swings in the same way of sweeping according to the embodiment of the present invention;
Fig. 3 B is the schematic diagram of sweeping air blade backswing according to the embodiment of the present invention;
Fig. 3 C is the schematic diagram of sweeping aerofoil control strategy according to the embodiment of the present invention;
Fig. 4 A is at the schematic diagram that approaches the installation site in foursquare room according to the air-conditioner of the embodiment of the present invention;
Fig. 4 B is the schematic diagram in the installation site, long limit in rectangular room according to the air-conditioner of the embodiment of the present invention;
Fig. 4 C is the schematic diagram in the minor face installation site in rectangular room according to the air-conditioner of the embodiment of the present invention;
Fig. 5 is according to the schematic diagram of the position of wind deflector up and down of the embodiment of the present invention;
Fig. 6 is a kind of idiographic flow schematic diagram according to the air-conditioner work of the embodiment of the present invention;
Fig. 7 is according to the schematic diagram of a kind of structure of the device of the control air-conditioner of the embodiment of the present invention.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The air-conditioner of the embodiment of the present invention comprises that multi-disc sweeps air blade and sweep for controlling the motor that air blade rotates, and wherein sweeps air blade and is divided into two groups or more, and motor is two or more; Every group of swing of sweeping air blade controlled respectively by different motors.Fig. 1 is according to the schematic diagram of a kind of structure of the air-conditioner of the embodiment of the present invention, and as shown in Figure 1, air-conditioner 10 comprises that panel 11, upper and lower wind deflector 12 and multi-disc sweep air blade 13.Multi-disc is swept air blade 13 can be divided into two groups, as shown in the ellipse 131 in Fig. 1 and oval 132, controls respectively two groups sweep swinging of air blade by two motors (not shown motor).
Fig. 2 is according to the schematic diagram of the key step of the method for the control air-conditioner of the embodiment of the present invention.As shown in Figure 2, the method mainly comprises the steps S13 to S15.
Step S11: the positional information of obtaining air-conditioner.In this step, position packets of information is drawn together air-conditioner on left side, the right side of room wall, or left and right is placed in the middle.
Step S13: receive the control information of air-conditioner blowing range.The blowing range here comprises left side, room, right side, room or room gamut.
Step S15: according to described positional information and described control information, according to the default pendulum angle of sweeping air blade that aerofoil control strategy is controlled air-conditioner of sweeping.
The flow process that Fig. 2 provides can be used for the air-conditioner shown in control chart 1.Fig. 3 A is the schematic diagram that air blade swings in the same way of sweeping according to the embodiment of the present invention.Fig. 3 B is the schematic diagram of sweeping air blade backswing according to the embodiment of the present invention.Fig. 3 A represents to sweep air blade with parallel oblique line in Fig. 3 B.In the flow process of Fig. 2, sweep air blade according to different installation sites and air-supply region, select to swing in the same way or backswing, sweep aerofoil control strategy as shown in Figure 3 C.Fig. 3 C is the schematic diagram of sweeping aerofoil control strategy according to the embodiment of the present invention.Wherein for the first predetermined angle α and the second predetermined angle β, can adopt the value of α < β.For different room shape, α and β can have different values.In the present embodiment, room shape is divided by length-width ratio, can respective selection be set on remote controller or install after set: (1) square or approach square (length and width): 1≤Aspect Ratio≤1.2; (2) rectangle (long limit): Aspect Ratio > 1.2, air-conditioning is arranged on long limit; (3) rectangle (minor face): Aspect Ratio > 1.2, air-conditioning is arranged on minor face.Above-mentioned numerical value 1.2 also can adopt other numerical value.Air-conditioner in the installation site in room as shown in Fig. 4 A to Fig. 4 C.Fig. 4 A be according to the air-conditioner of the embodiment of the present invention at the schematic diagram that approaches the installation site in foursquare room, wherein position 41,42 and 43 is respectively left side, central authorities and right side; Fig. 4 B is the schematic diagram in the installation site, long limit in rectangular room according to the air-conditioner of the embodiment of the present invention, and wherein position 44,45 and 46 is respectively left side, central authorities and right side, the 401 long limits that are room; Fig. 4 C is the schematic diagram in the minor face installation site in rectangular room according to the air-conditioner of the embodiment of the present invention, and wherein position 47,48 and 49 is respectively left side, central authorities and right side, 402 minor faces that are room.
For different room shape, above-mentioned α and β can have different values, as shown in table 1, wherein: α 1 < α 2 < α 3, β 1 < β 2 < β 3, can value as α 1=35 °, α 2=45 °, α 3=55 °, β 1=45 °, β 2=55 °, β 3=65 °.
Table 1
| Rectangle (minor face) | Square | Rectangle (long limit) | |
| Value | α1、β1 | ?α2、β2 | ?α3、β3 |
For upper and lower wind deflector and air quantity, in the present embodiment, according to the table 2 under cooling condition and the strategy of the table 3 under heating condition, control.
Table 2
Table 3
The position of upper and lower wind deflector as shown in Figure 5, Fig. 5 is according to the schematic diagram of the position of wind deflector up and down of the embodiment of the present invention, wherein 50 represent air-conditioner sides, 51,52,53 and 54 horizontal levels that represent respectively upper and lower wind deflector, are downward the 3rd predetermined angle γ °, upper/lower positions upwards the 4th predetermined angle γ ° and upper/lower positions with horizontal level.
Fig. 6 is a kind of idiographic flow schematic diagram according to the air-conditioner work of the embodiment of the present invention.User can arrange room type and installation site after air-conditioner installs on remote controller.Correspondingly, in the program of remote controller, should provide function items is set accordingly.
Fig. 7 is according to the schematic diagram of a kind of structure of the device of the control air-conditioner of the embodiment of the present invention.The control device 70 of air-conditioner mainly comprises as lower module:
The above-mentioned strategy of sweeping aerofoil can adopt the content of Fig. 3 C.The positional information of air-conditioner also can comprise that air-conditioner is in the long limit in the room of various Aspect Ratios or the information of minor face; Like this, acquisition module 71 also can be used for obtaining the instruction of information and the air-conditioner operating mode of room Aspect Ratio; Control module 73 also can be used for controlling the air quantity of air-conditioner and the angle of upper and lower wind deflector and horizontal level according to default wind deflector up and down and air quantity control strategy.This control strategy can adopt the content of table 2 and table 3.
According to the technical scheme of the embodiment of the present invention, simple classification is done in the position of room and air-conditioner, user can arrange according to installation results after air-conditioner installation, and this mode is comparatively flexible.In addition, the aerofoil of sweeping of the air-conditioner in the embodiment of the present invention is divided into two parts, can control respectively for installation site, upper and lower wind deflector also can be adjusted angle at long limit or the minor face in room targetedly according to air-conditioner, like this, the wind deflector up and down of air-conditioner and sweep aerofoil and can automatically run to the most applicable angle, and by setting air quantity, carry out cooling/heating operation with this angle, to meet consumers' demand.Owing to having taken into full account the impact of room shape and installation site, therefore the technical scheme of the embodiment of the present invention can make user according to installation results, arrange easily, and can effectively improve the specific aim in air-supply region, improve air-supply efficiency, and reach energy-conservation object.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. control a method for air-conditioner, described air-conditioner, comprises that multi-disc sweeps air blade and sweep for controlling the motor that air blade swings, wherein, described in sweep air blade be divided into left and right two groups, by two motors, control respectively two groups and sweep swinging of air blade, it is characterized in that, comprising:
Obtain the positional information of air-conditioner, described positional information comprises that air-conditioner is on left side, the right side of room wall, or left and right is placed in the middle;
Receive the control information of air-conditioner blowing range, described blowing range comprises left side, room, right side, room or room gamut;
According to described positional information and described control information, use the default pendulum angle of sweeping air blade that air blade control strategy is controlled described air-conditioner of sweeping;
Wherein, the positional information of described air-conditioner also comprises that air-conditioner is in the long limit in the room of various Aspect Ratios or the information of minor face;
And described method also comprises:
Obtain the instruction of information and the air-conditioner operating mode of room Aspect Ratio;
The angle of the air quantity of controlling described air-conditioner according to default wind deflector up and down and air quantity control strategy and up and down wind deflector and horizontal level.
2. method according to claim 1, is characterized in that, described in sweep air blade control strategy and comprise following one or more:
First, for being arranged on room wall left and right air-conditioner placed in the middle,
If blowing range is room gamut, left half is swept air blade and is swung the first predetermined angle left, and right half is swept air blade and swung the first predetermined angle to the right;
If blowing range is left side, room, all air blades of sweeping swing the first predetermined angle left;
If blowing range is right side, room, all air blades of sweeping swing the first predetermined angle to the right;
Second, for the air-conditioner that is arranged on room wall left side,
If blowing range is room gamut, left half is swept air blade just forward, and right half is swept air blade and swung the first predetermined angle to the right;
If blowing range is room left side, allly sweep air blade just forward;
If blowing range is right side, room, all air blades of sweeping swing the second predetermined angle to the right;
The 3rd, for the air-conditioner that is arranged on room wall right side,
If blowing range is room gamut, left half is swept air blade and is swung the first predetermined angle left, and right half is swept air blade just forward;
If blowing range is left side, room, all air blades of sweeping swing the second predetermined angle left;
If blowing range is right side, room, allly sweep air blade just forward.
3. method according to claim 2, is characterized in that, described the second predetermined angle is greater than described the first predetermined angle.
4. method according to claim 1, is characterized in that, the positional information of described air-conditioner comprises:
Any limit in air-conditioner room in preset range at Aspect Ratio;
Air-conditioner is greater than long limit or the minor face in the room of preset value at Aspect Ratio.
5. method according to claim 4, is characterized in that, described upper and lower wind deflector and air quantity control strategy comprise following one or more:
First, for the air-conditioner that is arranged on the minor face in the room that the room of Aspect Ratio in preset range or Aspect Ratio be greater than preset value, air quantity is time prime time, and,
Under cooling condition, the position of upper and lower wind deflector is downward the 3rd predetermined angle of horizontal level;
Under heating condition, the position of upper and lower wind deflector is upper/lower positions;
Second, for the air-conditioner on long limit that is arranged on Aspect Ratio and is greater than the room of preset value, air quantity is the prime time, and,
Under cooling condition, the position of upper and lower wind deflector is horizontal level;
Under heating condition, the position of upper and lower wind deflector is upper/lower positions the 4th predetermined angle that makes progress.
6. control a device for air-conditioner, described air-conditioner, comprises that multi-disc sweeps air blade and sweep for controlling the motor that air blade swings, wherein, described in sweep air blade be divided into left and right two groups, by two motors, control respectively two groups and sweep swinging of air blade, it is characterized in that, comprising:
Acquisition module, for obtaining the positional information of air-conditioner, described positional information comprises that air-conditioner is on left side, the right side of room wall, or left and right is placed in the middle;
Receiver module, for receiving the control information of air-conditioner blowing range, described blowing range comprises left side, room, right side, room or room gamut;
Control module, the control information receiving for the positional information obtained according to described acquisition module and described receiver module, according to the default pendulum angle of sweeping air blade that air blade control strategy is controlled described air-conditioner of sweeping;
Wherein, the positional information of described air-conditioner also comprises that air-conditioner is in the long limit in the room of various Aspect Ratios or the information of minor face;
And described acquisition module is also for obtaining the instruction of information and the air-conditioner operating mode of room Aspect Ratio;
The angle of the air quantity that the wind deflector up and down that described control module is also preset for basis and air quantity control strategy are controlled described air-conditioner and upper and lower wind deflector and horizontal level.
7. device according to claim 6, is characterized in that, described in sweep air blade control strategy and comprise following one or more:
First, for being arranged on room wall left and right air-conditioner placed in the middle,
If blowing range is room gamut, left half is swept air blade and is swung the first predetermined angle left, and right half is swept air blade and swung the first predetermined angle to the right;
If blowing range is left side, room, all air blades of sweeping swing the first predetermined angle left;
If blowing range is right side, room, all air blades of sweeping swing the first predetermined angle to the right;
Second, for the air-conditioner that is arranged on room wall left side,
If blowing range is room gamut, left half is swept air blade just forward, and right half is swept air blade and swung the first predetermined angle to the right;
If blowing range is room left side, allly sweep air blade just forward;
If blowing range is right side, room, all air blades of sweeping swing the second predetermined angle to the right;
The 3rd, for the air-conditioner that is arranged on room wall right side,
If blowing range is room gamut, left half is swept air blade and is swung the first predetermined angle left, and right half is swept air blade just forward;
If blowing range is left side, room, all air blades of sweeping swing the second predetermined angle left;
If blowing range is right side, room, allly sweep air blade just forward.
8. device according to claim 6, is characterized in that, described upper and lower wind deflector and air quantity control strategy comprise following one or more:
First, for the air-conditioner that is arranged on the minor face in the room that the room of Aspect Ratio in preset range or Aspect Ratio be greater than preset value, air quantity is time prime time, and,
Under cooling condition, the position of upper and lower wind deflector is downward the 3rd predetermined angle of horizontal level;
Under heating condition, the position of upper and lower wind deflector is upper/lower positions;
Second, for the air-conditioner on long limit that is arranged on Aspect Ratio and is greater than the room of preset value, air quantity is the prime time, and,
Under cooling condition, the position of upper and lower wind deflector is horizontal level;
Under heating condition, the position of upper and lower wind deflector is upper/lower positions the 4th predetermined angle that makes progress.
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| CN201110050522.9A CN102654305B (en) | 2011-03-02 | 2011-03-02 | Air conditioner and control method and control device thereof |
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