CN104964388B - Air conditioner, the indoor unit of air conditioner and its power budget control method, device - Google Patents
Air conditioner, the indoor unit of air conditioner and its power budget control method, device Download PDFInfo
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- CN104964388B CN104964388B CN201510355434.8A CN201510355434A CN104964388B CN 104964388 B CN104964388 B CN 104964388B CN 201510355434 A CN201510355434 A CN 201510355434A CN 104964388 B CN104964388 B CN 104964388B
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- angle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
Abstract
The invention discloses a kind of power budget control method of indoor fan in air conditioner, comprise the following steps：Establish power estimation pattern function P=F (n, Angle, T2)；The rotary speed instruction of indoor fan is obtained, and indoor fan operation is controlled so that the running speed of indoor fan reaches the corresponding tachometer value of rotary speed instruction according to rotary speed instruction；The wind-guiding angle of indoor unit is obtained, and detects the temperature of indoor heat exchanger in real time；According to the running speed of indoor fan, the wind-guiding angle of indoor unit, the temperature of indoor heat exchanger of detection and the power of power estimation pattern function calculating indoor fan.The power budget control method estimates that pattern function obtains indoor fan power in real time on the basis of hardware cost is not increased, by power.The invention also discloses the power budget control device of indoor fan, a kind of indoor unit of air conditioner and a kind of air conditioner in a kind of air conditioner.
Description
Technical field
The present invention relates to air conditioner technical field, the power budget controlling party of indoor fan in more particularly to a kind of air conditioner
The power budget control device of indoor fan, a kind of indoor unit of air conditioner and a kind of air conditioner in method, a kind of air conditioner.
Background technology
As what the popularization and user's energy-saving and emission-reduction of air conditioner were realized is increasingly enhanced, user is during using air conditioner
The power and power consumption of air conditioner are become more concerned with, therefore, the electricity consumption situation of air conditioner is accurately and effectively fed back into user
As the direction of air conditioner development.
At present, indoor fan majority uses PG motors in air conditioner, simple in structure, cost is low, utilizes a hall sensing
Device feeds back tacho-pulse, improves/reduce rotating speed using voltage chopping mode, control circuit is simple, reliable.It is disadvantageous in that,
There was only a speed ring in PG electric machine control systems, therefore cannot be as DC motor control system, by accurately obtaining
The voltage of motor, current signal calculate the power of motor.And if passing through increased peripheral electric current and voltage detecting circuit meter
Calculate the power of PG motors, it will increase control system cost.
The content of the invention
It is contemplated that solve at least some of the technical problems in related technologies.For this reason, the present invention
One purpose is indoor in the air conditioner of indoor fan power to obtain in real time in proposing a kind of by power and estimating pattern function
The power budget control method of wind turbine.
It is another object of the present invention to the power budget control device for proposing indoor fan in a kind of air conditioner.This hair
Another bright purpose is to propose a kind of indoor unit of air conditioner.The present invention further an object is that proposing a kind of air-conditioning
Device.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of power budget of indoor fan in air conditioner
Control method, comprises the following steps：Establish the temperature phase with indoor fan rotating speed, the wind-guiding angle of indoor unit and indoor heat exchanger
Associated power estimation pattern function P=F (n, Angle, T2), wherein, P is the power of the indoor fan, and n is the interior
Rotation speed of fan, Angle are the wind-guiding angle of the indoor unit, and T2 is the temperature of the indoor heat exchanger；Obtain the indoor wind
The rotary speed instruction of machine, and the indoor fan operation is controlled so that the running speed of the indoor fan according to the rotary speed instruction
Reach the corresponding tachometer value of the rotary speed instruction；The wind-guiding angle of the indoor unit is obtained, and detects the indoor heat exchange in real time
The temperature of device；According to the running speed of the indoor fan, the indoor unit wind-guiding angle, detection the indoor heat exchanger
Temperature and power estimation pattern function calculate the power of the indoor fan.
The power budget control method of indoor fan in air conditioner according to embodiments of the present invention, initially sets up and indoor wind
Power that the temperature of machine rotating speed, the wind-guiding angle of indoor unit and indoor heat exchanger is associated estimation pattern function P=F (n,
Angle, T2), the rotary speed instruction of indoor fan is then obtained, and control indoor fan to run so that indoor wind according to rotary speed instruction
The running speed of machine reaches the corresponding tachometer value of rotary speed instruction, obtains the wind-guiding angle of indoor unit, and detects indoor heat exchange in real time
The temperature of device, finally according to the running speed of indoor fan, indoor unit wind-guiding angle, detection indoor heat exchanger temperature with
And power estimation pattern function calculates the power of indoor fan.Therefore, in the air conditioner of the embodiment of the present invention indoor fan work(
Rate estimation control method can estimate the power of indoor fan by modeling method on the basis of hardware cost is not increased,
Meet the actual demand of user.
According to one embodiment of present invention, the function expression of the F (n, Angle, T2) is：
Wherein, f1 (x)=a*x2+ b*x+c, S2, S1, d1 are matrix coefficient, and d2, a, b, c are constant coefficient, and u is square
Battle array [n, Angle, T2].
According to one embodiment of present invention, the motor in the indoor fan is PG motors, described according to the rotating speed
Instruction controls the indoor fan operation so that the running speed of the indoor fan reaches the corresponding rotating speed of the rotary speed instruction
Value, specifically includes：The PG motor operations are controlled according to the rotary speed instruction, and by detecting the pulse feedback of the PG motors
Signal is to obtain the rotating speed of the PG motors；According to the copped wave time of PG motors described in the rotational speed regulation of the PG motors with by institute
The running speed for stating indoor fan is adjusted to the corresponding tachometer value of the rotary speed instruction.
To reach above-mentioned purpose, the power that another aspect of the present invention embodiment proposes indoor fan in a kind of air conditioner is estimated
Control device is calculated, including：Temperature detecting module, for detecting the temperature of indoor heat exchanger in real time；Control module, the control mould
It is preset with power estimation pattern function in block, the control module is used to obtaining the rotary speed instruction of the indoor fan, and according to
The rotary speed instruction controls the indoor fan operation so that the running speed of the indoor fan reaches the rotary speed instruction pair
The tachometer value answered also, the control module obtain the wind-guiding angle of the indoor unit, and the fortune according to the indoor fan
Row rotating speed, the wind-guiding angle of the indoor unit, the temperature of the indoor heat exchanger detected and power estimation model letter
Number calculates the power of the indoor fans, wherein, the power estimation pattern function be establish with indoor fan rotating speed, interior
The pattern function that the wind-guiding angle of machine and the temperature of indoor heat exchanger are associated, power estimation pattern function P=F (n,
Angle, T2), wherein, P is the power of the indoor fan, and n is the indoor fan rotating speed, and Angle is the indoor unit
Wind-guiding angle, T2 are the temperature of the indoor heat exchanger.
The power budget control device of indoor fan, passes through temperature detecting module in air conditioner according to embodiments of the present invention
The temperature of indoor heat exchanger is detected in real time, power estimation pattern function is preset with control module, and control module is used to obtain room
The rotary speed instruction of inner blower, and indoor fan operation is controlled so that the running speed of indoor fan reaches rotating speed according to rotary speed instruction
Corresponding tachometer value is instructed, also, control module obtains the wind-guiding angle of indoor unit, and turned according to the operation of indoor fan
Speed, the wind-guiding angle of indoor unit, the temperature of the indoor heat exchanger detected and power estimation pattern function calculate indoor fan
Power, wherein, power estimation pattern function P=F (n, Angle, T2) be establish with indoor fan rotating speed, the wind-guiding of indoor unit
The pattern function that angle and the temperature of indoor heat exchanger are associated.Therefore, indoor fan in the air conditioner of the embodiment of the present invention
Power budget control device estimates model letter on the basis of hardware cost is not increased, by default power in the control module
Number can estimate the power of indoor fan, meet the actual demand of user.
According to one embodiment of present invention, the function expression of the F (n, Angle, T2) is：
Wherein, f1 (x)=a*x2+ b*x+c, S2, S1, d1 are matrix coefficient, and d2, a, b, c are constant coefficient, and u is square
Battle array [n, Angle, T2].
According to one embodiment of present invention, the motor in the indoor fan is PG motors, wherein, the control module
The PG motor operations are controlled according to the rotary speed instruction, and by detecting the pulse feedback signal of the PG motors to obtain
State the rotating speed of PG motors, and according to the rotational speed regulation of the PG motors PG motors the copped wave time with by the indoor wind
The running speed of machine is adjusted to the corresponding tachometer value of the rotary speed instruction.
In addition, the embodiment of the present invention proposes a kind of indoor unit of air conditioner, it includes above-mentioned power budget control
Device.
The indoor unit of the air conditioner is by above-mentioned power budget control device, on the basis of hardware cost is not increased,
Estimate that pattern function can estimate the power of indoor fan by default power, meet the actual demand of user.
In addition, the embodiment of the present invention also proposed a kind of air conditioner, it includes above-mentioned indoor unit.
The air conditioner on the basis of hardware cost is not increased, is estimated by above-mentioned indoor unit by default power
Pattern function can estimate the power of indoor fan, meet the actual demand of user.
Brief description of the drawings
Fig. 1 is the flow chart of the power budget control method of indoor fan in air conditioner according to embodiments of the present invention.
Fig. 2 is the square frame signal of the power budget control device of indoor fan in air conditioner according to embodiments of the present invention
Figure.
Reference numeral：Temperature detecting module 10, wind guide strip control module 20, control module 30 and indoor fan M.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The power budget control of indoor fan in the air conditioner proposed according to embodiments of the present invention described with reference to the accompanying drawings
Power budget control device, the indoor unit and air conditioner of air conditioner of indoor fan in method processed, air conditioner.
Fig. 1 is the flow chart of the power budget control method of indoor fan in air conditioner according to embodiments of the present invention.Such as
Shown in Fig. 1, the power budget control method of indoor fan comprises the following steps in the air conditioner：
S1, establishes the power associated with the temperature of indoor fan rotating speed, the wind-guiding angle of indoor unit and indoor heat exchanger
Estimate pattern function P=F (n, Angle, T2), wherein, P is the power of indoor fan, and n is indoor fan rotating speed, and Angle is room
The wind-guiding angle of interior machine, T2 are the temperature of indoor heat exchanger.
It is understood that the power of indoor fan is mainly by indoor fan rotating speed n, the wind-guiding angle A ngle of indoor unit
Determined with the temperature T2 of indoor heat exchanger, therefore, can be by establishing power and indoor fan rotating speed n, the interior of indoor fan
Functional relation between the wind-guiding angle A ngle of machine and the temperature T2 of indoor heat exchanger obtains the power of indoor fan.
According to one embodiment of present invention, shown in the function expression such as formula (1) of F (n, Angle, T2)：
Wherein, f1 (x)=a*x2+ b*x+c, S2, S1, d1 are matrix coefficient, and d2, a, b, c are constant coefficient, and u is square
Battle array [n, Angle, T2].
Specifically, before power estimation pattern function P=F (n, Angle, T2) is established, experimental method acquisition is first passed through
Related data information, it is for instance possible to use following methods are obtained：It is 500rpm to control indoor fan rotating speed n first, and
At the time of the wind-guiding angle A ngle of indoor unit increases by 2 °, or at the time of the temperature T2 of indoor heat exchanger increases by 2 DEG C, recording room
The power of inner blower and corresponding indoor fan rotating speed n, the wind-guiding angle A ngle of indoor unit and the temperature of indoor heat exchanger
T2.Then indoor fan rotating speed n increase 5rpm is controlled, and at the time of the wind-guiding angle A ngle of machine increases by 2 ° indoors, or room
At the time of the temperature T2 of interior heat exchanger increases by 2 DEG C, power and corresponding indoor fan rotating speed n, the interior of indoor fan are recorded
The wind-guiding angle A ngle of the machine and temperature T2 of indoor heat exchanger.Be continuously increased according to the method described above successively indoor fan rotating speed n with
Obtain related data information.Wherein, the scope of the indoor fan rotating speed n of test is [500rpm, 1300rpm], and indoor unit is led
The scope of wind angle A ngle is [0 °, 80 °], and the temperature T2 scopes of indoor heat exchanger are [- 10 DEG C, 60 DEG C].Then by acquisition
Data are analyzed and processed to establish power estimation pattern function P=F (n, Angle, T2).
S2, obtains the rotary speed instruction of indoor fan, and controls indoor fan operation so that indoor fan according to rotary speed instruction
Running speed reach the corresponding tachometer value of rotary speed instruction.
According to one embodiment of present invention, the motor in indoor fan is PG motors, according in rotary speed instruction control room
Fan operation is specifically included so that the running speed of indoor fan reaches the corresponding tachometer value of rotary speed instruction：According to rotary speed instruction
PG motor operations are controlled, and the rotating speed of PG motors is obtained by detecting the pulse feedback signal of PG motors；According to PG motors
The copped wave time of rotational speed regulation PG motors by the running speed of indoor fan to be adjusted to the corresponding tachometer value of rotary speed instruction.
S3, obtains the wind-guiding angle of indoor unit, and detects the temperature of indoor heat exchanger in real time.
S4, according to the running speed of indoor fan, indoor unit wind-guiding angle, detection indoor heat exchanger temperature and
Power estimation pattern function calculates the power of indoor fan.
A specific example according to the present invention, obtains different indoor fan rotating speed n, difference by the method for experiment first
The power of indoor fan under the conditions of the wind-guiding angle A ngle of the indoor unit and temperature T2 of different indoor heat exchangers, then to obtaining
The related data information taken is analyzed and processed to establish power estimation pattern function P=F (n, Angle, T2), such as above-mentioned formula
(1) shown in, and power estimation pattern function is preset in the microprocessor of indoor fan.After air conditioner works on power,
The rotating speed that microprocessor in indoor fan receives motor such as PG motors in the indoor fan that program input is controlled in air conditioner refers to
Order, and PG motor operations are controlled according to rotary speed instruction, PG motors drive wind wheel rotation, meanwhile, microprocessor is by detecting PG electricity
The pulse feedback signal of machine is to calculate the current rotating speed of PG motors, and the copped wave of the current rotational speed regulation PG motors according to PG motors
Time by the running speed of PG motors to be adjusted to the corresponding tachometer value of rotary speed instruction.In addition, in control PG motor operation courses
In, microprocessor also controls the wind-guiding angle of indoor unit to be run according to default angle or swinging condition, and detection is indoor in real time
The temperature T2 of heat exchanger, the real-time work(of PG motors is calculated finally by the power estimation pattern function being preset in indoor fan
Rate.
In conclusion in air conditioner according to embodiments of the present invention indoor fan power budget control method, build first
The vertical power estimation pattern function P associated with the temperature of indoor fan rotating speed, the wind-guiding angle of indoor unit and indoor heat exchanger
=F (n, Angle, T2), then obtain indoor fan rotary speed instruction, and according to rotary speed instruction control indoor fan run so that
The running speed of indoor fan reaches the corresponding tachometer value of rotary speed instruction, obtains the wind-guiding angle of indoor unit, and real-time sensing chamber
The temperature of interior heat exchanger, finally according to the running speed of indoor fan, the wind-guiding angle of indoor unit, detection indoor heat exchanger
Temperature and power estimation pattern function calculate the power of indoor fan.Therefore, indoor wind in the air conditioner of the embodiment of the present invention
The power budget control method of machine can estimate indoor fan on the basis of hardware cost is not increased, by modeling method
Power, meets the actual demand of user.
Fig. 2 is the square frame signal of the power budget control device of indoor fan in air conditioner according to embodiments of the present invention
Figure.As shown in Fig. 2, the power budget control device of indoor fan M includes in the air conditioner：Temperature detecting module 10 and control mould
Block 30.
Wherein, temperature detecting module 10 is used for the temperature for detecting indoor heat exchanger in real time, is preset in control module 30 active
Rate estimates pattern function, and control module 30 is used for the rotary speed instruction for obtaining indoor fan M, and according to wind in rotary speed instruction control room
Machine M is run so that the running speed of indoor fan M reaches the corresponding tachometer value of rotary speed instruction, also, control module 30 obtains room
The wind-guiding angle of interior machine, and according to the running speed of indoor fan M, the wind-guiding angle of indoor unit, detection indoor heat exchanger
Temperature and power estimation pattern function calculate the power of indoor fan M, wherein, power estimation pattern function be establish with
The pattern function that the temperature of indoor fan rotating speed, the wind-guiding angle of indoor unit and indoor heat exchanger is associated, power estimation model
Function P=F (n, Angle, T2), wherein, P is the power of indoor fan, and n is indoor fan rotating speed, and Angle is leading for indoor unit
Wind angle, T2 are the temperature of indoor heat exchanger.
It is understood that the power of indoor fan M is mainly by indoor fan rotating speed n, the wind-guiding angle A ngle of indoor unit
Determined with the temperature T2 of indoor heat exchanger, therefore, can be by establishing power and indoor fan rotating speed n, the interior of indoor fan M
Functional relation between the wind-guiding angle A ngle of machine and the temperature T2 of indoor heat exchanger is to obtain the power of indoor fan M.
According to one embodiment of present invention, shown in the function expression such as above-mentioned formula (1) of F (n, Angle, T2).
Specifically, before power estimation pattern function P=F (n, Angle, T2) is established, experimental method acquisition is first passed through
Related data information, it is for instance possible to use following methods are obtained：It is 500rpm to control indoor fan rotating speed n first, and
At the time of the wind-guiding angle A ngle of indoor unit increases by 2 °, or at the time of the temperature T2 of indoor heat exchanger increases by 2 DEG C, recording room
The power of inner blower M and corresponding indoor fan rotating speed n, the wind-guiding angle A ngle of indoor unit and the temperature of indoor heat exchanger
T2.Then indoor fan rotating speed n increase 5rpm is controlled, and at the time of the wind-guiding angle A ngle of machine increases by 2 ° indoors, or room
At the time of the temperature T2 of interior heat exchanger increases by 2 DEG C, the power of record indoor fan M and corresponding indoor fan rotating speed n, interior
The wind-guiding angle A ngle of the machine and temperature T2 of indoor heat exchanger.Be continuously increased according to the method described above successively indoor fan rotating speed n with
Obtain related data information.Wherein, the scope of the indoor fan rotating speed n of test is [500rpm, 1300rpm], and indoor unit is led
The scope of wind angle A ngle is [0 °, 80 °], and the temperature T2 scopes of indoor heat exchanger are [- 10 DEG C, 60 DEG C].Then by acquisition
Data are analyzed and processed to establish power estimation pattern function P=F (n, Angle, T2).
According to one embodiment of present invention, as shown in Fig. 2, the motor in indoor fan M is PG motors, wherein, control
Module 30 controls PG motor operations according to rotary speed instruction, and obtains PG motors by detecting the pulse feedback signal of PG motors
Rotating speed, and according to copped wave time of the rotational speed regulation PG motors of PG motors the running speed of indoor fan M to be adjusted to turn
Speed instructs corresponding tachometer value.
Specifically, the wind-guiding angle of different indoor fan rotating speed n, different indoor units is obtained by the method for experiment first
The power of indoor fan M under the conditions of the temperature T2 of Angle and different indoor heat exchangers, then to the related data information of acquisition
Analyzed and processed to establish power estimation pattern function P=F (n, Angle, T2), as shown in above-mentioned formula (1), and by the work(
Rate estimation pattern function is preset in such as microprocessor of control module 30.After air conditioner works on power, control module 30 receives
The rotary speed instruction of the motor such as PG motors in the indoor fan M of program input is controlled in air conditioner, and is controlled according to rotary speed instruction
PG motor operations, PG motors drive wind wheel rotation, meanwhile, control module 30 is by detecting the pulse feedback signal of PG motors in terms of
Calculate the current rotating speed of PG motors, and according to copped wave time of the current rotational speed regulation PG motors of PG motors with by the operation of PG motors
Rotational speed regulation is the corresponding tachometer value of rotary speed instruction.In addition, in PG motor operation courses are controlled, control module 30 passes through control
Wind guide strip control module 20 is so that the wind-guiding angle of indoor unit is run according to default angle or swinging condition, and real-time sensing chamber
The temperature T2 of interior heat exchanger, the real-time of PG motors is calculated finally by the power estimation pattern function being preset in indoor fan M
Power.
The power budget control device of indoor fan, passes through temperature detecting module in air conditioner according to embodiments of the present invention
The temperature of indoor heat exchanger is detected in real time, power estimation pattern function is preset with control module, and control module is used to obtain room
The rotary speed instruction of inner blower, and indoor fan operation is controlled so that the running speed of indoor fan reaches rotating speed according to rotary speed instruction
Corresponding tachometer value is instructed, also, control module obtains the wind-guiding angle of indoor unit, and turned according to the operation of indoor fan
Speed, the wind-guiding angle of indoor unit, the temperature of the indoor heat exchanger detected and power estimation pattern function calculate indoor fan
Power, wherein, power estimation pattern function P=F (n, Angle, T2) be establish with indoor fan rotating speed, the wind-guiding of indoor unit
The pattern function that angle and the temperature of indoor heat exchanger are associated.Therefore, indoor fan in the air conditioner of the embodiment of the present invention
Power budget control device estimates model letter on the basis of hardware cost is not increased, by default power in the control module
Number can estimate the power of indoor fan, meet the actual demand of user.
In addition, the embodiment of the present invention proposes a kind of indoor unit of air conditioner, it includes above-mentioned power budget control
Device.
The indoor unit of the air conditioner is by above-mentioned power budget control device, on the basis of hardware cost is not increased,
Estimate that pattern function can estimate the power of indoor fan by default power, meet the actual demand of user.
In addition, the embodiment of the present invention also proposed a kind of air conditioner, it includes above-mentioned indoor unit.
The air conditioner on the basis of hardware cost is not increased, is estimated by above-mentioned indoor unit by default power
Pattern function can estimate the power of indoor fan, meet the actual demand of user.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
Combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this area
Art personnel can be tied the different embodiments or example described in this specification and different embodiments or exemplary feature
Close and combine.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (8)
1. the power budget control method of indoor fan in a kind of air conditioner, it is characterised in that comprise the following steps：
Establish the power estimation model associated with the temperature of indoor fan rotating speed, the wind-guiding angle of indoor unit and indoor heat exchanger
Function P=F (n, Angle, T2), wherein, P is the power of the indoor fan, and n is the indoor fan rotating speed, and Angle is institute
The wind-guiding angle of indoor unit is stated, T2 is the temperature of the indoor heat exchanger；
The rotary speed instruction of the indoor fan is obtained, and the indoor fan operation is controlled so that described according to the rotary speed instruction
The running speed of indoor fan reaches the corresponding tachometer value of the rotary speed instruction；
The wind-guiding angle of the indoor unit is obtained, and detects the temperature of the indoor heat exchanger in real time；
According to the running speed of the indoor fan, the wind-guiding angle of the indoor unit, the temperature of the indoor heat exchanger detected
Degree and power estimation pattern function calculate the power of the indoor fan.
2. the power budget control method of indoor fan in air conditioner according to claim 1, it is characterised in that the F
The function expression of (n, Angle, T2) is：
<mrow>
<mi>F</mi>
<mrow>
<mo>(</mo>
<mi>n</mi>
<mo>,</mo>
<mi>A</mi>
<mi>n</mi>
<mi>g</mi>
<mi>l</mi>
<mi>e</mi>
<mo>,</mo>
<mi>T</mi>
<mn>2</mn>
<mo>)</mo>
</mrow>
<mo>=</mo>
<munderover>
<mo>&Sigma;</mo>
<mn>1</mn>
<mn>4</mn>
</munderover>
<mrow>
<mo>(</mo>
<mi>S</mi>
<mn>2</mn>
<mo>*</mo>
<mi>f</mi>
<mn>1</mn>
<mo>(</mo>
<munderover>
<mo>&Sigma;</mo>
<mn>1</mn>
<mn>4</mn>
</munderover>
<mi>S</mi>
<mn>1</mn>
<mo>*</mo>
<msup>
<mi>u</mi>
<mo>&prime;</mo>
</msup>
<mo>+</mo>
<mi>d</mi>
<mn>1</mn>
<mo>)</mo>
</mrow>
<mo>+</mo>
<mi>d</mi>
<mn>2</mn>
<mo>)</mo>
</mrow>
Wherein, f1 (x)=a*x2+ b*x+c, S2, S1, d1 are matrix coefficient, and d2, a, b, c are constant coefficient, u for matrix [n,
Angle, T2].
3. the power budget control method of indoor fan in air conditioner according to claim 1, it is characterised in that the room
Motor in inner blower is PG motors, described to control the indoor fan to run so that the interior wind according to the rotary speed instruction
The running speed of machine reaches the corresponding tachometer value of the rotary speed instruction, specifically includes：
The PG motor operations are controlled according to the rotary speed instruction, and are obtained by detecting the pulse feedback signal of the PG motors
Obtain the rotating speed of the PG motors；
According to the copped wave time of PG motors described in the rotational speed regulation of the PG motors with by the running speed tune of the indoor fan
Save as the corresponding tachometer value of the rotary speed instruction.
A kind of 4. power budget control device of indoor fan in air conditioner, it is characterised in that including：
Temperature detecting module, for detecting the temperature of indoor heat exchanger in real time；
Control module, power estimation pattern function is preset with the control module, and the control module is used to obtain the room
The rotary speed instruction of inner blower, and the indoor fan operation is controlled so that the operation of the indoor fan according to the rotary speed instruction
Rotating speed reaches the corresponding tachometer value of the rotary speed instruction, also, the control module obtains the wind-guiding angle of the indoor unit, with
And according to the running speed of the indoor fan, the wind-guiding angle of the indoor unit, the temperature of the indoor heat exchanger detected
And the power estimation pattern function calculates the power of the indoor fan, wherein, the power estimation pattern function is to build
The vertical pattern function associated with the temperature of indoor fan rotating speed, the wind-guiding angle of indoor unit and indoor heat exchanger, the work(
Rate estimation pattern function P=F (n, Angle, T2), wherein, P is the power of the indoor fan, and n turns for the indoor fan
Speed, Angle are the wind-guiding angle of the indoor unit, and T2 is the temperature of the indoor heat exchanger.
5. power budget control device according to claim 4, it is characterised in that the function of the F (n, Angle, T2)
Expression formula is：
<mrow>
<mi>F</mi>
<mrow>
<mo>(</mo>
<mi>n</mi>
<mo>,</mo>
<mi>A</mi>
<mi>n</mi>
<mi>g</mi>
<mi>l</mi>
<mi>e</mi>
<mo>,</mo>
<mi>T</mi>
<mn>2</mn>
<mo>)</mo>
</mrow>
<mo>=</mo>
<munderover>
<mo>&Sigma;</mo>
<mn>1</mn>
<mn>4</mn>
</munderover>
<mrow>
<mo>(</mo>
<mi>S</mi>
<mn>2</mn>
<mo>*</mo>
<mi>f</mi>
<mn>1</mn>
<mo>(</mo>
<munderover>
<mo>&Sigma;</mo>
<mn>1</mn>
<mn>4</mn>
</munderover>
<mi>S</mi>
<mn>1</mn>
<mo>*</mo>
<msup>
<mi>u</mi>
<mo>&prime;</mo>
</msup>
<mo>+</mo>
<mi>d</mi>
<mn>1</mn>
<mo>)</mo>
</mrow>
<mo>+</mo>
<mi>d</mi>
<mn>2</mn>
<mo>)</mo>
</mrow>
Wherein, f1 (x)=a*x2+ b*x+c, S2, S1, d1 are matrix coefficient, and d2, a, b, c are constant coefficient, u for matrix [n,
Angle, T2].
6. power budget control device according to claim 4, it is characterised in that the motor in the indoor fan is PG
Motor, wherein, the control module controls the PG motor operations according to the rotary speed instruction, and by detecting the PG motors
Pulse feedback signal to obtain the rotating speed of the PG motors, and the PG motors according to the rotational speed regulation of the PG motors
The copped wave time by the running speed of the indoor fan to be adjusted to the corresponding tachometer value of the rotary speed instruction.
7. a kind of indoor unit of air conditioner, it is characterised in that including the power budget according to any one of claim 4-6
Control device.
8. a kind of air conditioner, it is characterised in that including indoor unit according to claim 7.
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| CN111256340B (en) * | 2020-01-21 | 2021-06-22 | 广东美的制冷设备有限公司 | Air conditioner control method, air conditioner and readable storage medium |
| CN111256339B (en) * | 2020-01-21 | 2021-09-14 | 广东美的制冷设备有限公司 | Control method of air conditioner, air conditioner and readable storage medium |
| CN112781177B (en) * | 2021-01-05 | 2022-05-20 | 广东美的暖通设备有限公司 | Method and device for predicting air conditioner operating power, electronic equipment and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726051A (en) * | 2008-10-17 | 2010-06-09 | 东芝开利株式会社 | Air conditioner |
| CN103630739A (en) * | 2012-08-23 | 2014-03-12 | 美的集团股份有限公司 | Method and system for measuring power consumption of air conditioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09264647A (en) * | 1996-03-27 | 1997-10-07 | Nec Corp | Electronic apparatus cooling circuit |
| JPH11264597A (en) * | 1998-03-19 | 1999-09-28 | Fujitsu General Ltd | Fan motor controller for air conditioner |
| JP2001041545A (en) * | 1999-08-03 | 2001-02-16 | Toshiba Kyaria Kk | Air-conditioning device |
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2015
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726051A (en) * | 2008-10-17 | 2010-06-09 | 东芝开利株式会社 | Air conditioner |
| CN103630739A (en) * | 2012-08-23 | 2014-03-12 | 美的集团股份有限公司 | Method and system for measuring power consumption of air conditioner |
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