CN106382710B - The blower control method and device and indoor unit of air conditioner indoor unit - Google Patents
The blower control method and device and indoor unit of air conditioner indoor unit Download PDFInfo
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- CN106382710B CN106382710B CN201610739419.8A CN201610739419A CN106382710B CN 106382710 B CN106382710 B CN 106382710B CN 201610739419 A CN201610739419 A CN 201610739419A CN 106382710 B CN106382710 B CN 106382710B
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Abstract
The present invention provides a kind of blower control method of air conditioner indoor unit and devices and indoor unit, are related to air-conditioning technical field, solve exist in the prior art air conditioner indoor unit fan delivery fluctuation it is larger, the problem of causing air conditioning performance and comfort to reduce.A kind of blower control method of air conditioner indoor unit, including, operation preset gear is indicated according to user, switches to the corresponding default power supply of preset gear;After stable, the actual power of default power supply is measured;The predetermined power of preset gear and the difference △ P of actual power are calculated, feedback control is carried out to default power supply to adjust the actual power of default power supply according to △ P;Again △ P is updated according to the predetermined power of preset gear and actual power adjusted;Until stopping carrying out feedback control to default power supply when the △ P updated is less than or equal to M;Wherein, M is preset maximum power error, and M is greater than or equal to 0.The embodiment of the present invention is used for the manufacture of air conditioner indoor unit.
Description
Technical field
The present invention relates to the blower control method and device of air-conditioning technical field more particularly to a kind of air conditioner indoor unit and rooms
Interior machine.
Background technique
With the development of science and technology, the type of air-conditioning is increasingly various.Currently, the type of air conditioner indoor unit mainly have air-cooled ducted air conditioner,
Courtyard machine, seat loop wheel machine, wall-hanger, clothes closet machine etc..The type of blower corresponding with air conditioner indoor unit also there are many, mainly have pumping
Head alternating current generator, direct current generator and PG alternating current generator etc.;Wherein, PG alternating current generator refers to a kind of stepless-adjustment with Hall feedback
Speed motor, i.e., a kind of motor of tape speed feedback.
Air conditioner indoor unit is in actual installation, and since installation environment is different, different resistance of pipe system characteristics needs not
Same static pressure gear, but existing air conditioner indoor unit blower, since technology and cost limit, general type only has 1~3
Static pressure gear, and HVAC system design personnel or user need to select a kind of be closer to by calculating pipe network drag characteristic during installation
Static pressure gear, but may cause the actual power as corresponding to the static pressure gear being closer to and default static pressure shelves in this case
Gap between the corresponding rated power in position is larger, to cause the air quantity and actual design wind of the blower of air conditioner indoor unit
Amount difference is larger, so that air conditioning performance and comfort reduce;And in use, user replaces air inlet/outlet grate type, a
Other air port does not have to for a long time and closes, all resistance of pipe system characteristic can be caused to change when filter screen dust stratification, in this feelings
Under condition, no matter the blower of air conditioner indoor unit using tap motor or uses the direct current of invariablenes turning speed or PG motor, air quantity equal
It will appear biggish fluctuation, cause air conditioning performance and comfort to reduce, some possibly even causes the blower of air conditioner indoor unit
Power is excessive and phenomena such as temperature rise is excessively high, noise is excessive occurs.
It can be seen from the above, exist in the prior art air conditioner indoor unit fan delivery fluctuation it is larger, cause air conditioning performance and
The problem of comfort reduces.
Summary of the invention
The embodiment of the present invention provides the blower control method and device and indoor unit of a kind of air conditioner indoor unit, solves existing
The problem of having in technology there are the fluctuation of the fan delivery of air conditioner indoor unit is larger, air conditioning performance and comfort is caused to reduce.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
First aspect, the embodiment of the present invention provide a kind of blower control method of air conditioner indoor unit, comprising:
Operation preset gear is indicated according to user, switches to the corresponding default power supply of preset gear;After stable, measure
The actual power of default power supply;
The predetermined power of preset gear and the difference △ P of actual power are calculated, default power supply is fed back according to △ P
It controls to adjust the actual power of default power supply;
Again △ P is updated according to the predetermined power of preset gear and actual power adjusted;
Until stopping carrying out feedback control to default power supply when the △ P updated is less than or equal to M;Wherein, M is preset
Maximum power error, M are greater than or equal to 0.
Second aspect, the embodiment of the present invention provide a kind of fan controller of air conditioner indoor unit, comprising:
Gear unit, for indicating operation preset gear according to user;
Power supply unit, the preset gear for being run according to gear unit switch to corresponding default power supply;
Detection unit, for measuring the actual power of default power supply after power supply unit is stable;
Processing unit, for calculating the predetermined power of preset gear and the difference △ P of actual power;
Control unit, for carrying out feedback control to default power supply according to △ P to adjust the actual power of default power supply, weight
It is new to update △ P according to the predetermined power of preset gear and actual power adjusted;Until the △ P updated is less than or equal to M
When, stop carrying out feedback control to default power supply;Wherein, M is preset maximum power error, and M is greater than or equal to 0.
The third aspect, the embodiment of the present invention provide a kind of indoor unit, any air conditioner indoor unit provided comprising second aspect
Fan controller.
The embodiment of the present invention provides the blower control method and device and indoor unit of a kind of air conditioner indoor unit, wherein air conditioning chamber
The blower control method of interior machine includes indicating operation preset gear according to user, switching to the corresponding default power supply of preset gear;
After stable, the actual power of default power supply is measured;In the prior art, since technology and cost limit, general type is only
There is 1~3 static pressure gear, and HVAC system design personnel or user need to select one kind by calculating pipe network drag characteristic during installation
The static pressure gear being closer to, but may cause in this case air quantity and actual design air flow difference it is larger, cause air-conditioning
It can be reduced with comfort;The embodiment of the present invention is by calculating the predetermined power of preset gear and the difference △ P of actual power, root
Feedback control is carried out to adjust the actual power of default power supply to default power supply according to △ P;Again according to the default function of preset gear
Rate and actual power adjusted update △ P;Until stopping carrying out default power supply anti-when the △ P updated is less than or equal to M
Feedback control;Wherein, M is preset maximum power error, and M is greater than or equal to 0;So that the blower of air conditioner indoor unit can root
Factually border the case where to default power supply carry out feedback control so that the error between actual power and predetermined power be less than or
Equal to maximum power error M;Can make the blower of user's air conditioner indoor unit during actual use in this way to be less than or
Actual power operation equal to maximum power error M, ensure that the stability of the air quantity of the blower of air conditioner indoor unit;And then it solves
The problem of fan delivery fluctuation that air conditioner indoor unit exists in the prior art is larger, and air conditioning performance and comfort is caused to reduce.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of the blower control method of air conditioner indoor unit provided in an embodiment of the present invention;
Fig. 2 is the blower control method of air conditioner indoor unit provided in an embodiment of the present invention using 1.5 air-cooled ducted air conditioners of Mr. Yu
Control sequential figure;
Fig. 3 is the blower control method of air conditioner indoor unit provided in an embodiment of the present invention using 1.5 air-cooled ducted air conditioners of Mr. Yu
Performance number samples schematic diagram;
Fig. 4 is the blower control method of air conditioner indoor unit provided in an embodiment of the present invention using 1.5 air-cooled ducted air conditioners of Mr. Yu
F/B control flow chart;
Fig. 5 a- Fig. 5 f is that the blower control method of air conditioner indoor unit provided in an embodiment of the present invention applies 1.5 wind of Mr. Yu
The measurement data schematic diagram of pipe machine;
Fig. 6 is the blower control method of air conditioner indoor unit provided in an embodiment of the present invention using 1.5 air-cooled ducted air conditioners of Mr. Yu
Measurement data comparison diagram;
Fig. 7 is a kind of structural schematic diagram of the fan controller of air conditioner indoor unit provided in an embodiment of the present invention.
Appended drawing reference:
Fan controller -10;
Gear unit -1010;Power supply unit -1020;Detection unit -1030;Processing unit -1040;
Control unit -1050.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides the blower control method and device and indoor unit of a kind of air conditioner indoor unit, wherein air conditioning chamber
The blower control method of interior machine includes indicating operation preset gear according to user, switching to the corresponding default power supply of preset gear;
After stable, the actual power of default power supply is measured;In the prior art, since technology and cost limit, general type is only
There is 1~3 static pressure gear, and HVAC system design personnel or user need to select one kind by calculating pipe network drag characteristic during installation
The static pressure gear being closer to, but may cause in this case air quantity and actual design air flow difference it is larger, cause air-conditioning
It can be reduced with comfort;The embodiment of the present invention is by calculating the predetermined power of preset gear and the difference △ P of actual power, root
Feedback control is carried out to adjust the actual power of default power supply to default power supply according to △ P;Again according to the default function of preset gear
Rate and actual power adjusted update △ P;Until stopping carrying out default power supply anti-when the △ P updated is less than or equal to M
Feedback control;Wherein, M is preset maximum power error, and M is greater than or equal to 0;So that the blower of air conditioner indoor unit can root
Factually border the case where to default power supply carry out feedback control so that the error between actual power and predetermined power be less than or
Equal to maximum power error M;Can make the blower of user's air conditioner indoor unit during actual use in this way to be less than or
Actual power operation equal to maximum power error M, ensure that the stability of the air quantity of the blower of air conditioner indoor unit;And then it solves
The problem of fan delivery fluctuation that air conditioner indoor unit exists in the prior art is larger, and air conditioning performance and comfort is caused to reduce.
Embodiment one, the embodiment of the present invention provide a kind of blower control method of air conditioner indoor unit, include: as shown in Figure 1
S101, operation preset gear is indicated according to user, switch to the corresponding default power supply of preset gear;
S102, it is stable after, measure the actual power of default power supply;
The difference △ P of S103, the predetermined power for calculating preset gear and actual power, according to △ P to default power supply into
Row feedback control is to adjust the actual power of default power supply;
S104, the predetermined power of foundation preset gear and actual power adjusted update △ P again;
S105, until update △ P be less than or equal to M when, stop to default power supply carry out feedback control;Wherein, M is pre-
If maximum power error, M be greater than or equal to 0.
The blower control method that the embodiment of the present invention provides a kind of air conditioner indoor unit includes indicating that operation is default according to user
Gear switches to the corresponding default power supply of preset gear;After stable, the actual power of default power supply is measured;The prior art
In, since technology and cost limit, general type only has 1~3 static pressure gear, and HVAC system design personnel or user are pacifying
When dress need to by calculate pipe network drag characteristic select a kind of static pressure gear being closer to, but may cause in this case air quantity and
Actual design air flow difference is larger, and air conditioning performance and comfort is caused to reduce;The embodiment of the present invention is by calculating default shelves
The predetermined power of position and the difference △ P of actual power carry out feedback control to default power supply according to △ P to adjust default power supply
Actual power;Again △ P is updated according to the predetermined power of preset gear and actual power adjusted;Until the △ P updated
When less than or equal to M, stop carrying out feedback control to default power supply;Wherein, M is preset maximum power error, and M is greater than or waits
In 0;So that the blower of air conditioner indoor unit can carry out feedback control to default power supply according to practical situation, so that
Error between actual power and predetermined power is less than or equal to maximum power error M;User can be made actually to make in this way
The blower of air conditioner indoor unit is run during with the actual power less than or equal to maximum power error M, ensure that air-conditioning
The stability of the air quantity of the blower of indoor unit;And then solve exist in the prior art air conditioner indoor unit fan delivery fluctuation compared with
Greatly, the problem of causing air conditioning performance and comfort to reduce.
Embodiment two, the embodiment of the present invention provide a kind of blower control method of air conditioner indoor unit, and specific embodiment is such as
Under:
Scene one, the embodiment of the present invention provide a kind of blower control method of air conditioner indoor unit, include: as shown in Figure 1
S101, operation preset gear is indicated according to user, switch to the corresponding default power supply of preset gear.
S102, it is stable after, measure the actual power of default power supply.
The difference △ P of S103, the predetermined power for calculating preset gear and actual power, according to △ P to default power supply into
Row feedback control is to adjust the actual power of default power supply.
It should be noted that predetermined power can be target power value (full name in English: pcont);It may be specified function
Rate.
S104, the predetermined power of foundation preset gear and actual power adjusted update △ P again.
S105, until update △ P be less than or equal to M when, stop to default power supply carry out feedback control;Wherein, M is pre-
If maximum power error, M be greater than or equal to 0.
It should be noted that carrying out feedback control to default power supply according to △ P to adjust the actual power of default power supply, it is
In order to realize the power limitation control to blower;To eliminate Hall constant speed control circuit in the prior art, cost is saved.
It is specifically included specifically, carrying out feedback control to default power supply: obtaining the control feedback factor k to default power supply,
Wherein k is preset constant;Measure the actual operating parameter D of default power supply;When △ P is greater than M, by △ D=k* △ P to pre-
If power supply carries out feedback control, and obtains the operating parameter D+ △ D that default power supply updates.
It should be noted that since feedback control may need repeatedly can just complete, it is assumed that carry out n times and complete feedback control
System, then the control result of n-th is D (n)=D (n-1)+△ D;Corresponding △ P (n) is less than or equal to M.
Specifically, operating parameter includes the duty ratio of blower.
Specifically, rising scale is in equal proportions the duty ratio of blower with what is declined in the running.
It should be noted that the motor that the blower of air conditioner indoor unit provided in an embodiment of the present invention uses has tap alternating current
Machine, direct current generator and PG alternating current generator etc.;By the blower control method application of air conditioner indoor unit provided in an embodiment of the present invention
When the blower of air conditioner indoor unit, feedback control, and then realization pair can be carried out to the default power supply of the blower of air conditioner indoor unit
The control of the actual power of air conditioner indoor unit blower.
Specifically, preset gear includes N number of gear;The blower control method of air conditioner indoor unit further include: when according to user
When preset gear is switched to xth gear by instruction, xth gear, x integer and x ∈ [0, N] are run.
It should be noted that preset gear can select different gears according to the actual needs;When user indicates to switch
When gear, the step of repeating S101 to S105, to realize the air-blower control to the air conditioner indoor unit of different stalls.
The blower control method that the embodiment of the present invention provides a kind of air conditioner indoor unit includes indicating that operation is default according to user
Gear switches to the corresponding default power supply of preset gear;After stable, the actual power of default power supply is measured;The prior art
In, since technology and cost limit, general type only has 1~3 static pressure gear, and HVAC system design personnel or user are pacifying
When dress need to by calculate pipe network drag characteristic select a kind of static pressure gear being closer to, but may cause in this case air quantity and
Actual design air flow difference is larger, and air conditioning performance and comfort is caused to reduce;The embodiment of the present invention is by calculating default shelves
The predetermined power of position and the difference △ P of actual power carry out feedback control to default power supply according to △ P to adjust default power supply
Actual power;Again △ P is updated according to the predetermined power of preset gear and actual power adjusted;Until the △ P updated
When less than or equal to M, stop carrying out feedback control to default power supply;Wherein, M is preset maximum power error, and M is greater than or waits
In 0;So that the blower of air conditioner indoor unit can carry out feedback control to default power supply according to practical situation;So that
Error between actual power and predetermined power is less than or equal to maximum power error M;User can be made actually to make in this way
The blower of air conditioner indoor unit is run during with the actual power less than or equal to maximum power error M, ensure that air-conditioning
The stability of the air quantity of the blower of indoor unit;And then solve exist in the prior art air conditioner indoor unit fan delivery fluctuation compared with
Greatly, the problem of causing air conditioning performance and comfort to reduce.
Scene two, the embodiment of the present invention provide a kind of blower control method of air conditioner indoor unit, as shown in Figure 1, Figure 2, Fig. 3, figure
4, shown in Fig. 5 and Fig. 6:
It should be noted that being with user here using a kind of certain 1.5 air-cooled ducted air conditioner using direct current generator, but unlimited wind
Machine class, air conditioner indoor unit type;In actual use, booting switches to apoplexy gear to user, then by apoplexy gear
Low wind file position is switched to, is illustrated with the output duty value of blower, it, can to the switching of preset gear not in this, as standard
To be selected according to the actual situation;Wherein, the ratio of duty ratio (full name in English: duty) rise and fall here is 5duty/
100ms;The selection of duty value is the empirical value obtained by experimental data, in order to be able to make blower the fastest as early as possible
Reach stable state;Feedback (full name in English: feed back, referred to as: F/B) control.
The blower control method of air conditioner indoor unit provided in an embodiment of the present invention is applied to certain 1.5 wind of direct current generator
The specific embodiment of pipe machine is as follows:
S101, operation preset gear is indicated according to user, switch to the corresponding default power supply of preset gear.
Wherein, as shown in Fig. 2, when the blower of air conditioner indoor unit is after unlatching, when user's selection apoplexy gear operates,
Blower first operates apoplexy gear after powering with the ratio of 5duty/100ms as shown in Figure 2, and experience 3s is from booting to apoplexy gear
Operating is stablized;This is done to prevent staring torque from causing fan damaged greatly;Then, by low wind file position with 5duty/100ms
Ratio rise to the apoplexy gear of user preset.
S102, it is stable after, measure the actual power of default power supply.
Wherein, as shown in Fig. 2, actual power value here can be the output duty value of the extension set of air conditioner indoor unit.
The difference △ P of S103, the predetermined power for calculating preset gear and actual power, according to △ P to default power supply into
Row feedback control is to adjust the actual power of default power supply.
Wherein, as shown in Fig. 2, the predetermined power of preset gear here can be target duty value.
S104, the predetermined power of foundation preset gear and actual power adjusted update △ P again.
S105, until update △ P be less than or equal to M when, stop to default power supply carry out feedback control;Wherein, M is pre-
If maximum power error, M be greater than or equal to 0.
Wherein, as shown in Figure 2, the blower of air conditioner indoor unit 3s after powering, the extension set of air conditioner indoor unit is with the upper of itself
The ratio of liter rises to apoplexy gear (rising scale of itself of the blower of the air conditioner indoor unit of different brands is different), undergoes
Stablize after being run after 3s;After rising to apoplexy gear by low wind file position due to the blower of air conditioner indoor unit, winding number, which is stablized, to be needed
General 3s or so, therefore control at first 3 seconds of apoplexy gear and without F/B;After the time being more than the 3s of apoplexy gear, to sky
It adjusts the blower of indoor unit to carry out F/B control, step S102, S103, S104 and S105 has been carried out respectively, to the reality of air conditioner indoor unit
Border output duty value and target duty value carried out feedback control so that the indoor blower reality output duty value of air-conditioning with
The difference of target duty value is less than M.
Specifically, preset gear includes N number of gear;
The blower control method of air conditioner indoor unit further include:
When preset gear is switched to xth gear according to user's instruction, xth gear, x integer and x ∈ [0, N] are run.
Wherein, as shown in Figure 2, when the change of setting air quantity, when preset gear being switched to xth gear according to user's instruction,
Run xth gear, x integer and x ∈ [0, N];F/B control is also being run while switching preset gear, so that becoming in air quantity
The variation that duty value is exported when more is updated according to F/B control, ensure that the stability of the air quantity of the blower of air conditioner indoor unit.
It is specifically included specifically, carrying out feedback control to default power supply: obtaining the control feedback factor k to default power supply,
Wherein k is preset constant;Measure the actual operating parameter D of default power supply.
When △ P is greater than M, feedback control is carried out to default power supply by △ D=k* △ P, and obtain default power supply and update
Operating parameter D+ △ D.
Wherein, in conjunction with Fig. 2 and Fig. 3 it is found that target duty value extension set operation apoplexy gear reach after 3s every 5s into
The sampling of row primary air fan actual power P;And the output of F/B control △ P reaches every after 3s in fan operation apoplexy gear
10s updates the difference △ P of primary air fan reality output duty value and target duty, and make comparisons with M ensure to export duty value and
The difference △ P of target duty is less than or equal to M;To ensure that the stability of fan delivery.
It should be noted that the concrete mode of F/B control is as shown in Figure 4:
Formula in Fig. 4 primarily to calculate duty correction value according to actual power and the difference of predetermined power, thus
Realize the control to power of fan;By Fig. 2 and Fig. 3 it is found that actual power value every five seconds reads update, and carry out F/B control control
Output.
Wherein, D (n) is blower reality output duty value;D (n-1) is blower last time reality output duty value;Pcont
For the predetermined power of blower;P0 (n) is the actual power of blower;K is the conversion coefficient of duty adjusted value and difference power;A is mesh
Mark power is converted to the conversion coefficient of target duty;M is convergence decision content.
The value of △ D proceeds as follows rounding and calculates:
When △ D >=1, △ D=△ D;
When 0 < △ D≤1, △ D=1;
When △ D=0, △ D=0;
When -1 < △ D < 0, △ D=-1;
When △ D≤- 1, △ D=△ D;
The target duty=3.2*pcont-40 of 1.5 air-cooled ducted air conditioners of the use in the present embodiment;Duty adjusted value and function
The conversion coefficient k=1.8 of rate difference;It restrains decision content m and is equal to pcont*0.02;It can be seen from the experiment that in actual air conditioner indoor unit
Fan operation when control according to the method described above, steady operational status can be reached within the shortest time.
Specifically, operating parameter includes the duty ratio of blower.
Specifically, rising scale is in equal proportions the duty ratio of blower with what is declined in the running.
It should be noted that in order to distinguish the control method of air conditioner indoor unit provided in an embodiment of the present invention and the prior art
The middle difference using both control methods of fixed rotating speed;As shown in Fig. 5 a- Fig. 5 f and Fig. 6, with direct current generator in the present embodiment
Certain 1.5 air-cooled ducted air conditioner be test object, wherein the specified static pressure of test object is 35Pa, and blower gear is high-three medium-low
Air quantity gear;According to the control method of air conditioner indoor unit provided in an embodiment of the present invention and in the prior art using fixed rotating speed
Control method carries out actual measurement comparison.
In conjunction with Fig. 5 a- Fig. 5 f and Fig. 6 it is found that the air quantity difference of high-medium-low gear 80Pa and 0Pa of fixed rotating speed control is other
For 540m3/h, 456m3/h, 325m3/h;And after using the method in this patent, the air quantity of high-medium-low gear 80Pa and 0Pa
Difference is respectively 297m3/h, 243m3/h、171m3/h;It compares, fixed rotating speed controls air-blower control side provided in an embodiment of the present invention
Method, the high-grade air quantity undulating value in 80Pa and 0Pa reduce 45%;Air quantity undulating value of the middle-grade in 80Pa and 0Pa reduces
46%;Air quantity undulating value of the low grade in 80Pa and 0Pa reduces 47%;Substantially increase the stability of air quantity.
It can be seen from the above, the indoor blower control method of air-conditioning provided in an embodiment of the present invention, using to target duty with
The feedback control of reality output duty value, thus guarantee reality output duty and target the duty value of the blower of air conditioner indoor unit
Difference is less than M;Compared to the prior art using the air quantity of the blower of constant speed control, in air conditioning chamber provided in an embodiment of the present invention
The blower control method of machine greatly improves the air quantity stability of blower, solves and air conditioner indoor unit exists in the prior art
Fan delivery fluctuation it is larger, the problem of causing air conditioning performance and comfort to reduce.
Embodiment three, the embodiment of the present invention provide a kind of fan controller 10 of air conditioner indoor unit, wrap as shown in Figure 7
It includes:
Gear unit 1010, for indicating operation preset gear according to user;
Power supply unit 1020, the preset gear for being run according to gear unit 1010 switch to corresponding default power supply;
Detection unit 1030, for measuring the actual power of default power supply after power supply unit is stable;
It should be noted that air conditioner indoor unit due to lack of standardization in design or installation process, is all likely to result in sky
The actual air volume and specified air quantity for adjusting the fan operation of indoor unit have gap;In addition in use, replacement passes in and out user
Wind grate type, individual air ports do not have to for a long time and close, resistance of pipe system characteristic can all be caused to occur when filter screen dust stratification
Variation, can aggravate the unstability of the air quantity of the blower of air conditioner indoor unit in this way;Therefore, it is necessary to detect current actual power
Value, come judge air conditioner indoor unit blower current state.
Processing unit 1040, for calculating the predetermined power of preset gear and the difference △ P of actual power;
Control unit 1050, for carrying out feedback control to default power supply according to △ P to adjust the practical function of default power supply
Rate updates △ P according to the predetermined power of preset gear and actual power adjusted again;
Until stopping carrying out feedback control to default power supply when the △ P updated is less than or equal to M;Wherein, M is preset
Maximum power error, M are greater than or equal to 0.
It should be noted that control unit is the difference of the actual power and predetermined power according to the blower of air conditioner indoor unit
To carry out feedback control to default power supply, feedback control here may need to carry out repeatedly just to be able to achieve to the anti-of default power supply
Feedback control, to reach predetermined power;When therefore needing to be updated to △ P less than or equal to M, default power supply is fed back in stopping
Control.
The fan controller that the embodiment of the present invention provides a kind of air conditioner indoor unit includes that gear unit is indicated according to user
Run preset gear;Power supply unit is used to switch to corresponding default power supply according to the preset gear that gear unit is run;Detection
Unit according to power supply unit it is stable after, measure the actual power of default power supply;In the prior art, since technology and cost limit
System, general type only has 1~3 static pressure gear, and HVAC system design personnel or user are needed during installation by calculating pipe network
Drag characteristic selects a kind of static pressure gear being closer to, but may cause air quantity and actual design air flow difference in this case
It is larger, cause air conditioning performance and comfort to reduce;The embodiment of the present invention calculates the default function of preset gear through the processing unit
The difference △ P of rate and actual power;Control unit carries out feedback control to default power supply according to △ P to adjust the reality of default power supply
Border power;Again △ P is updated according to the predetermined power of preset gear and actual power adjusted;Until the △ P updated is small
When M, stop carrying out feedback control to default power supply;Wherein, M is preset maximum power error, and M is greater than or equal to
0;So that the blower of air conditioner indoor unit can carry out feedback control to default power supply according to practical situation;So that real
Error between border power and predetermined power is less than or equal to maximum power error M;User can be made to actually use in this way
During air conditioner indoor unit blower with less than or equal to maximum power error M actual power run, ensure that air conditioning chamber
The stability of the air quantity of the blower of interior machine;And then solve exist in the prior art air conditioner indoor unit fan delivery fluctuation compared with
Greatly, the problem of causing air conditioning performance and comfort to reduce.
Example IV, the embodiment of the present invention provide a kind of fan controller 10 of air conditioner indoor unit, wrap as shown in Figure 7
It includes:
Gear unit 1010, for indicating operation preset gear according to user;
Power supply unit 1020, the preset gear for being run according to gear unit 1010 switch to corresponding default power supply;
Detection unit 1030, for measuring the actual power of default power supply after power supply unit is stable;
Processing unit 1040, for calculating the predetermined power of preset gear and the difference △ P of actual power;
Control unit 1050, for carrying out feedback control to default power supply according to △ P to adjust the practical function of default power supply
Rate updates △ P according to the predetermined power of preset gear and actual power adjusted again;
Until stopping carrying out feedback control to default power supply when the △ P updated is less than or equal to M;Wherein, M is preset
Maximum power error, M are greater than or equal to 0.
Specifically, control unit 1050 is specifically used for obtaining the control feedback factor k to default power supply, wherein k is default
Constant;And measure the actual operating parameter D of default power supply;When △ P be greater than M when, by △ D=k* △ P to default power supply into
Row feedback control, and obtain the operating parameter D+ △ D that default power supply updates.
It should be understood that since feedback control may need repeatedly can just complete, it is assumed that carry out n times and complete feedback control
System, then the control result of n-th is D (n)=D (n-1)+△ D;Corresponding △ P (n) is less than or equal to M.
Specifically, preset gear includes N number of gear;Gear unit 1010 is also used to indicate to cut preset gear according to user
When shifting to xth gear, xth gear, x integer and x ∈ [0, N] are run.
Specifically, operating parameter includes the duty ratio of blower.
The fan controller that the embodiment of the present invention provides a kind of air conditioner indoor unit includes that gear unit is indicated according to user
Run preset gear;Power supply unit is used to switch to corresponding default power supply according to the preset gear that gear unit is run;Detection
Unit according to power supply unit it is stable after, measure the actual power of default power supply;In the prior art, since technology and cost limit
System, general type only has 1~3 static pressure gear, and HVAC system design personnel or user are needed during installation by calculating pipe network
Drag characteristic selects a kind of static pressure gear being closer to, but may cause air quantity and actual design air flow difference in this case
It is larger, cause air conditioning performance and comfort to reduce;The embodiment of the present invention calculates the default function of preset gear through the processing unit
The difference △ P of rate and actual power;Control unit carries out feedback control to default power supply according to △ P to adjust the reality of default power supply
Border power;Again △ P is updated according to the predetermined power of preset gear and actual power adjusted;Until the △ P updated is small
When M, stop carrying out feedback control to default power supply;Wherein, M is preset maximum power error, and M is greater than or equal to
0;So that the blower of air conditioner indoor unit can carry out feedback control to default power supply according to practical situation;So that real
Error between border power and predetermined power is less than or equal to maximum power error M;User can be made to actually use in this way
During air conditioner indoor unit blower with less than or equal to maximum power error M actual power run, ensure that air conditioning chamber
The stability of the air quantity of the blower of interior machine;And then solve exist in the prior art air conditioner indoor unit fan delivery fluctuation compared with
Greatly, the problem of causing air conditioning performance and comfort to reduce.
Embodiment five, the embodiment of the present invention provide a kind of indoor unit, have any one air conditioning chamber for implementing three, example IV
The fan controller 10 of interior machine.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of blower control method of air conditioner indoor unit characterized by comprising
Operation preset gear is indicated according to user, switches to the corresponding default power supply of preset gear;After stable, measure described
The actual power of default power supply;
The predetermined power of preset gear and the difference △ P of the actual power are calculated, according to the △ P to the default power supply
Feedback control is carried out to adjust the actual power of the default power supply;
Again the △ P is updated according to the predetermined power of the preset gear and actual power adjusted;
Until stopping carrying out feedback control to default power supply when the △ P updated is less than or equal to M;Wherein, the M is preset
Maximum power error, M are greater than or equal to 0.
2. the blower control method of air conditioner indoor unit according to claim 1, which is characterized in that the default power supply into
Row feedback control specifically includes:
The control feedback factor k to default power supply is obtained, wherein k is preset constant;
Measure the actual operating parameter D of the default power supply;
When △ P is greater than M, feedback control is carried out to the default power supply by △ D=k* △ P, and obtain the default power supply
The operating parameter D+ △ D of update.
3. the blower control method of air conditioner indoor unit according to claim 2, which is characterized in that the operating parameter includes
The duty ratio of blower.
4. the blower control method of air conditioner indoor unit according to claim 3, which is characterized in that the duty ratio of the blower
Rising scale is in equal proportions with what is declined in the running.
5. the blower control method of air conditioner indoor unit according to claim 1, which is characterized in that
The preset gear includes N number of gear;
The blower control method of the air conditioner indoor unit further include:
When the preset gear is switched to xth gear according to user's instruction, the xth gear is run, x integer and x ∈ [0,
N]。
6. a kind of fan controller of air conditioner indoor unit characterized by comprising
Gear unit, for indicating operation preset gear according to user;
Power supply unit, the preset gear for being run according to the gear unit switch to corresponding default power supply;
Detection unit, for measuring the actual power of the default power supply after said supply unit is stable;
Processing unit, for calculating the predetermined power of preset gear and the difference △ P of the actual power;
Control unit, for carrying out feedback control to the default power supply according to the △ P to adjust the reality of the default power supply
Border power updates the △ P according to the predetermined power of the preset gear and actual power adjusted again;Until updating
△ P be less than or equal to M when, stop to default power supply carry out feedback control;Wherein, the M is preset maximum power error,
M is greater than or equal to 0.
7. the fan controller of air conditioner indoor unit according to claim 6, which is characterized in that described control unit is specific
For obtaining the control feedback factor k to default power supply, wherein k is preset constant;And measure the actual of the default power supply
Operating parameter D;When △ P is greater than M, feedback control is carried out to the default power supply by △ D=k* △ P, and obtain described pre-
If the operating parameter D+ △ D that power supply updates.
8. the fan controller of air conditioner indoor unit according to claim 7, which is characterized in that
The operating parameter includes the duty ratio of blower.
9. the fan controller of air conditioner indoor unit according to claim 6, which is characterized in that the preset gear includes
N number of gear;
When the gear unit is also used to indicate the preset gear switching to xth gear according to user, the xth shelves are run
Position, x integer and x ∈ [0, N].
10. a kind of indoor unit, which is characterized in that the fan controller comprising any air conditioner indoor unit of claim 6-9.
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CN114151932B (en) * | 2021-11-22 | 2023-04-18 | 青岛海信日立空调系统有限公司 | Energy consumption monitoring platform of multi-split system |
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CN102748843A (en) * | 2012-07-24 | 2012-10-24 | 海信(山东)空调有限公司 | System and method for controlling constant air volume of air duct type air conditioning indoor unit |
CN103765118A (en) * | 2011-08-31 | 2014-04-30 | 三洋电机株式会社 | Air-conditioning device and method for controlling air-conditioning device |
CN104135199A (en) * | 2014-07-15 | 2014-11-05 | 江苏仁源电气有限公司 | Motor driving control method having function of fan/pump constant flow |
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JP4925804B2 (en) * | 2006-12-04 | 2012-05-09 | シャープ株式会社 | Air conditioner |
JP2013231523A (en) * | 2012-04-27 | 2013-11-14 | Azbil Corp | Air conditioning control device and method |
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CN103765118A (en) * | 2011-08-31 | 2014-04-30 | 三洋电机株式会社 | Air-conditioning device and method for controlling air-conditioning device |
CN102748843A (en) * | 2012-07-24 | 2012-10-24 | 海信(山东)空调有限公司 | System and method for controlling constant air volume of air duct type air conditioning indoor unit |
CN104135199A (en) * | 2014-07-15 | 2014-11-05 | 江苏仁源电气有限公司 | Motor driving control method having function of fan/pump constant flow |
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