CN104654548B - A kind of noise-reduction method of air-conditioning motion - Google Patents
A kind of noise-reduction method of air-conditioning motion Download PDFInfo
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- CN104654548B CN104654548B CN201310597592.5A CN201310597592A CN104654548B CN 104654548 B CN104654548 B CN 104654548B CN 201310597592 A CN201310597592 A CN 201310597592A CN 104654548 B CN104654548 B CN 104654548B
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- 230000033001 locomotion Effects 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 51
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 30
- 230000005484 gravity Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
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- 241000288673 Chiroptera Species 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Abstract
The invention discloses a kind of noise-reduction method of air-conditioning motion, including:Obtain the gravitational resistance square that motion driving wheel in diverse location on movement locus is born;The pulse frequency of stepper motor offer gravitational resistance square transmission is provided according to gravitational resistance square;According to gravitational resistance square and pulse frequency generation torque frequency feature curve;Stepper motor is controlled according to torque frequency feature curve, completes the uniform motion control to motion.The present invention to motion by according to the motion gravitational resistance square that driving wheel is born in diverse location on its running orbit, being controlled, can realize makes motion uniform motion in the process of running, so as to realize low vibration, the effect of low noise.
Description
Technical field
The present invention relates to air-conditioning noise reduction process technical field, more specifically to a kind of noise reduction of air-conditioning motion
Method.
Background technology
At present, air-conditioning motion includes panel, wind deflector etc..Air-conditioning motion is mostly realized using stepper motor
Its predetermined function, some single motor drivings of use, some is synchronously driven using bi-motor, but all has a problem that it is simple venation
Rush frequency type of drive.That is the torque that motor is provided is invariable, but motion in the process of running
The power suffered by difference on its movement locus is continually changing, therefore can cause motion in the process of running
It is not in acceleration mode and is in deceleration regime, bumpy motion, so as to cause the vibration noise of travelling mechanism larger, shadow
Ring the noise reduction quality of room conditioning.
The content of the invention
In view of this, the present invention provides a kind of noise-reduction method of air-conditioning motion, by being transported according to motion at it
The gravitational resistance square that driving wheel is born during diverse location on row track, is controlled to motion, is transporting motion
Uniform motion during row, so as to realize low vibration, the effect of low noise.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of noise-reduction method of air-conditioning motion,
Including:
Obtain the gravitational resistance square that motion driving wheel in diverse location on movement locus is born;
The pulse frequency of the stepper motor offer gravitational resistance square transmission is provided according to the gravitational resistance square;
According to the gravitational resistance square and pulse frequency generation torque frequency feature curve;
Stepper motor is controlled according to the torque frequency feature curve, completes the uniform motion control to motion.
Preferably, the gravitational resistance square tool for obtaining motion driving wheel in diverse location on movement locus and bearing
Body is:
The gravitational resistance square that driven pulley is born in motion is drawn according to equalising torque:
T4=G*L (1)
Assuming that energy transmission is lossless, transmit that power is identical, calculate driving wheel in motion to auxiliary driven pulley
Power during transmission:
P=T1×ω1=T2×ω2 (2)
Drawn by (2) formula
T1/T2=ω2/ω1 (3)
Because the tangential velocity of motion middle gear transmission is equal, so
T1/T4=r1/r4 (4)
Drawn by (1) formula and (4) formula
T1=GLr1/r4 (5)
Wherein, T4The gravitational resistance square born for driven pulley, G are wind direction regulating device gravity, and L is born to hinder by driven pulley
The arm of force of Buddhist nun's torque, P are motion drive power, T1For the torque of driving wheel, ω1For the rotational angular velocity of driving wheel, T2For
Aid in the torque of driven pulley, ω2To aid in the rotational angular velocity of driven pulley, r1For the radius of driving wheel, r4For the half of driven pulley
Footpath.
Preferably, stepper motor is controlled according to the torque frequency feature curve, completes the at the uniform velocity control to motion
System is specially:
In wind direction regulating device opening procedure, control stepper motor is controlled to motion;
In wind direction regulating device closing course, control stepper motor is controlled to motion.
Preferably, described in wind direction regulating device opening procedure, control stepper motor is controlled tool to motion
Body is:
Judge whether wind direction regulating device is opened, if then:
Judge whether motion has run full preset time with fixed frequency, if then:
The driving frequency currently exported is maintained, and exports the count value of four phase eight beat;
To umber of beats and count value corresponding to the four phases output of stepper motor;
Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
Preferably, the preset time is 6ms.
Preferably, described in wind direction regulating device closing course, control stepper motor is controlled tool to motion
Body is:
When the closure angle T of wind direction regulating device is T >=50 °:
The driving frequency currently exported is maintained, and exports the count value of four phase eight beat;
To umber of beats and count value corresponding to the four phases output of stepper motor;
Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
Preferably, described in wind direction regulating device closing course, control stepper motor is controlled tool to motion
Body is:
When the closure angle T of wind direction regulating device is 20 °≤T≤50 °:
Judge whether to reach four bats counting, if then:
Output driving frequency is adjusted to KI parameters and KP parameters using pid algorithm;
Export the count value of four phase eight beat;
To umber of beats and count value corresponding to the four phases output of stepper motor;
Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
Preferably, described in wind direction regulating device closing course, control stepper motor is controlled tool to motion
Body is:
When the closure angle T of wind direction regulating device is 5 °≤T≤20 °:
Judge whether operation angle changes 1 °, if then:
The driving frequency of output is increased into 10000HZ;
Export the count value of four phase eight beat;
To umber of beats and count value corresponding to the four phases output of stepper motor;
Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
Preferably, described in wind direction regulating device closing course, control stepper motor is controlled tool to motion
Body is:
When the closure angle T of wind direction regulating device is T<At 5 °:
The driving frequency currently exported is maintained, and exports the count value of four phase eight beat;
To umber of beats and count value corresponding to the four phases output of stepper motor;
Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
It can be seen from the above technical scheme that a kind of noise-reduction method of air-conditioning motion disclosed by the invention, passes through
The gravitational resistance square that motion driving wheel in diverse location on movement locus is born is obtained, and is calculated according to gravitational resistance square
Go out stepper motor and the pulse frequency that gravitational resistance square is sent is provided, it is bent to generate torque frequency feature according to gravitational resistance square and pulse frequency
Line, stepper motor is controlled according to the torque frequency feature curve of generation, so as to realize the uniform motion of motion, reduce because
The noise that bumpy motion is brought, improve the noise reduction quality of air-conditioning.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of air-conditioning motion disclosed by the invention;
Fig. 2 is the count value schematic diagram of four phase eight beat disclosed by the invention;
Fig. 3 is a kind of flow chart of the noise-reduction method of air-conditioning motion disclosed by the invention;
Fig. 4 controls stepper motor to control motion to be disclosed by the invention in wind direction regulating device opening procedure
The method flow diagram of system;
Fig. 5 controls stepper motor to fitness machine in wind direction regulating device closing course to be disclosed by the invention in meadow
The method flow diagram that structure is controlled;
Fig. 6 controls stepper motor to fitness machine in wind direction regulating device closing course to be disclosed by the invention in saltation zone
The method flow diagram that structure is controlled;
Fig. 7 controls stepper motor to fitness machine in wind direction regulating device closing course to be disclosed by the invention in transition region
The method flow diagram that structure is controlled;
Fig. 8 controls stepper motor to fitness machine in wind direction regulating device closing course to be disclosed by the invention in holding area
The method flow diagram that structure is controlled.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of noise-reduction method of air-conditioning motion, by being run according to motion at it
The gravitational resistance square that driving wheel is born during diverse location on track, is controlled to motion, is running motion
During uniform motion, so as to realize low vibration, the effect of low noise.
The structure of air-conditioning motion is simply introduced first.As shown in figure 1, transported for air-conditioning disclosed by the invention
The structural representation of motivation structure.1 is driving wheel in figure, and 2 be auxiliary driven pulley, and 3 be auxiliary movable connecting rod, and 4 be driven pulley, and 5 are
Drive link.Driving wheel 1, auxiliary driven pulley 2 and synkinesia connecting rod form accessory drive chain, only serve the guiding of operation auxiliary
Effect.Driving wheel 1, driven pulley 4 and drive link 5 form active driving-chain, and power transmission is run for main motion.
As shown in figure 3, be a kind of noise-reduction method of air-conditioning motion disclosed by the invention, including:
S101, obtain the gravitational resistance square that motion driving wheel in diverse location on movement locus is born;
S102, the pulse frequency that stepper motor provides the gravitational resistance square transmission is calculated according to the gravitational resistance square
Rate;
S103, torque frequency feature curve generated according to the gravitational resistance square and pulse frequency;
S104, according to the torque frequency feature curve stepper motor is controlled, completes the uniform motion to motion
Control.
In the above-described embodiments, first according to the characteristics of motion, motion is obtained according to principle of moment balance and existed
The gravitational resistance square that driving wheel is born during diverse location on its movement locus, then hindered according to the gravity of each point on movement locus
Torque is fitted damping moment curve or immediately arrives at damping moment curve by kinematics simulation analysis, is then converted according to damping moment curve
For stepper motor provide needed for the moment of resistance when need the pulse frequency that sends, formed bent with the pulse frequency of motion change
Line, torque frequency feature curve is then generated according to damping moment curve and pulse frequency curve.Wherein, torque frequency feature curve refers to stepping
The torque of motor output and the relation of added pulse frequency, caused maximum output torque is when stepper motor continuously rotates
Reduce with the rise of pulse frequency.Finally stepper motor is controlled according to the torque frequency feature curve of generation, completion pair
The at the uniform velocity control of motion, so as to reduce the noise brought by motion bumpy motion.
Specifically, above-mentioned steps S101 obtains the motion gravity that driving wheel is born in diverse location on movement locus
The moment of resistance is specially:
First according to the characteristics of motion, the gravity that driven pulley in motion bears is obtained according to torque equilibrium equation
The moment of resistance:
T4=G*L (1)
Assuming that energy transmission is lossless, transmit that power is identical, calculate driving wheel in motion to auxiliary driven pulley
Power during transmission:
P=T1×ω1=T2×ω2 (2)
Drawn by (2) formula
T1/T2=ω2/ω1 (3)
Because the tangential velocity of motion middle gear transmission is equal, so
T1/T4=r1/r4 (4)
Drawn by (1) formula and (4) formula
T1=GLr1/r4 (5)
Wherein, T4The gravitational resistance square born for driven pulley, G are wind direction regulating device gravity, and L is born to hinder by driven pulley
The arm of force of Buddhist nun's torque, P are motion drive power, T1For the torque of driving wheel, ω1For the rotational angular velocity of driving wheel, T2For
Aid in the torque of driven pulley, ω2To aid in the rotational angular velocity of driven pulley, r1For the radius of driving wheel, r4For the half of driven pulley
Footpath.
Specifically, above-mentioned steps S104 is controlled according to the torque frequency feature curve to stepper motor, complete to motion
The uniform motion control of mechanism specifically includes two aspects:First, during wind direction regulating device is opened, stepper motor is controlled
Motion is controlled, second, during wind direction regulating device closes, control stepper motor is carried out to motion
Control.Wherein, during panel opening, control stepper motor is controlled specific as shown in figure 4, bag to motion
Include:
S200, beginning;
S201, judge whether wind direction regulating device is opened, if then entering step S202, if otherwise entering step S206;
S202, judge whether motion has run full preset time with fixed frequency, if then entering step S203, if
Otherwise step S206 is entered;
The driving power that S203, maintenance currently export, and export the count value of four phase eight beat;
S204, to stepper motor four phases output corresponding to umber of beats and count value;
S205, stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion
System;
S206, end.
Above-mentioned preset time can be set as 6ms.
Wherein, the count value schematic diagram of described four phase eight beat is as shown in Fig. 2 including A phases, B phases, C phases, the phase of D phases four, and
1 bat exports high level for A phases, and remaining mutually exports low level;2nd bat exports high level for A phases with B phases, and C phases export low with D phases
Level;3rd claps and exports high level for B phases remaining mutually exports low level;4th bat exports high level, A phases and D phases for B phases with C phases
Export low level;5th bat exports high level for C phases, and remaining mutually exports low level;6th bat exports high level for C phases with D phases, A
Mutually low level is exported with B phases;7th bat exports high level for D phases, and remaining mutually exports low level;8th bat exports height for A phases with D phases
Level, B phases export low level with C phases.
During wind direction regulating device closes, control stepper motor is controlled to motion, special according to square frequency
The characteristic of linearity curve is divided into meadow, saltation zone, transition region and holding area, wherein, in wind direction regulating device closing course
The meadow method that is controlled to motion of control stepper motor as shown in figure 5, including:
S300, beginning;
S301, judge whether the angle T of wind direction regulating device closure is T >=50 °, if then into step S302, it is on the contrary
Then enter step S305;
The driving frequency that S302, maintenance currently export, and export the count value of four phase eight beat;
S303, to stepper motor four phases output corresponding to umber of beats and count value;
S304, stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion
System;
S305, end.
Wherein, the count value schematic diagram of described four phase eight beat is as shown in Fig. 2 including A phases, B phases, C phases, the phase of D phases four, and
1 bat exports high level for A phases, and remaining mutually exports low level;2nd bat exports high level for A phases with B phases, and C phases export low with D phases
Level;3rd claps and exports high level for B phases remaining mutually exports low level;4th bat exports high level, A phases and D phases for B phases with C phases
Export low level;5th bat exports high level for C phases, and remaining mutually exports low level;6th bat exports high level for C phases with D phases, A
Mutually low level is exported with B phases;7th bat exports high level for D phases, and remaining mutually exports low level;8th bat exports height for A phases with D phases
Level, B phases export low level with C phases.
The method being controlled in wind direction regulating device closing course in saltation zone control stepper motor to motion
As shown in fig. 6, including:
S400, beginning;
S401, judge whether the angle T of wind direction regulating device closure is 20 °≤T≤50 °, if then entering step S402,
It is on the contrary then enter step S407;
S402, judge whether to reach four bats counting, it is on the contrary then enter step S404 if then entering step S403;
S403, output driving frequency is adjusted to KI parameters and KP parameters using pid algorithm;
S404, the count value for exporting four phase eight beat;
S405, to stepper motor four phases output corresponding to umber of beats and count value;
S406, stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion
System;
S407, end.
In wind direction regulating device closing course in saltation zone, moment of resistance slope can become big suddenly, during this noise compared with
Greatly, in order to realize the even running of stepper motor, by using pid algorithm, constantly accumulation calculates running orbit angle, and output is different
Parameter KI and parameter KP, the driving frequency of high precision control output even retardation degree, ensure that motor is uniform per phase output frequency
Change so that motor even running.
Wherein, the count value schematic diagram of described four phase eight beat is as shown in Fig. 2 including A phases, B phases, C phases, the phase of D phases four, and
1 bat exports high level for A phases, and remaining mutually exports low level;2nd bat exports high level for A phases with B phases, and C phases export low with D phases
Level;3rd claps and exports high level for B phases remaining mutually exports low level;4th bat exports high level, A phases and D phases for B phases with C phases
Export low level;5th bat exports high level for C phases, and remaining mutually exports low level;6th bat exports high level for C phases with D phases, A
Mutually low level is exported with B phases;7th bat exports high level for D phases, and remaining mutually exports low level;8th bat exports height for A phases with D phases
Level, B phases export low level with C phases.
The method that control stepper motor is controlled to motion in transition region in wind direction regulating device closing course
As shown in fig. 7, comprises:
S500, beginning;
S501, judge whether the angle T of wind direction regulating device closure is 5 °≤T≤20 °, if then entering step S502,
It is on the contrary then enter step S507;
S502, judge whether operation angle changes 1 °, it is on the contrary then enter step S504 if then entering step S503;
S503, the driving frequency increase 10000HZ by output;
S504, the count value for exporting four phase eight beat;
S505, to stepper motor four phases output corresponding to umber of beats and count value;
S506, stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion
System;
S507, end.
In wind direction regulating device closing course at transition region, slowly trend is steady for the moment of resistance, according to operation characteristic, output
Driving frequency be adjusted to operation angle and often change 1 °, the driving frequency frequency reducing 0.1ms of output, got over the driving frequency of output
Come slower, the driving moment of stepper motor will be increasing.
Wherein, the count value schematic diagram of described four phase eight beat is as shown in Fig. 2 including A phases, B phases, C phases, the phase of D phases four, and
1 bat exports high level for A phases, and remaining mutually exports low level;2nd bat exports high level for A phases with B phases, and C phases export low with D phases
Level;3rd claps and exports high level for B phases remaining mutually exports low level;4th bat exports high level, A phases and D phases for B phases with C phases
Export low level;5th bat exports high level for C phases, and remaining mutually exports low level;6th bat exports high level for C phases with D phases, A
Mutually low level is exported with B phases;7th bat exports high level for D phases, and remaining mutually exports low level;8th bat exports height for A phases with D phases
Level, B phases export low level with C phases.
The method being controlled in wind direction regulating device closing course in holding area control stepper motor to motion
As shown in figure 8, including:
S600, beginning;
S601, judge whether the angle T of wind direction regulating device closure is T<5 °, if then entering step S602, it is on the contrary then
Into step S605;
The driving frequency that S602, maintenance currently export, and export the count value of four phase eight beat;
S603, to stepper motor four phases output corresponding to umber of beats and count value;
S604, stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion
System;
S605, end.
Wherein, the count value schematic diagram of described four phase eight beat is as shown in Fig. 2 including A phases, B phases, C phases, the phase of D phases four, and
1 bat exports high level for A phases, and remaining mutually exports low level;2nd bat exports high level for A phases with B phases, and C phases export low with D phases
Level;3rd claps and exports high level for B phases remaining mutually exports low level;4th bat exports high level, A phases and D phases for B phases with C phases
Export low level;5th bat exports high level for C phases, and remaining mutually exports low level;6th bat exports high level for C phases with D phases, A
Mutually low level is exported with B phases;7th bat exports high level for D phases, and remaining mutually exports low level;8th bat exports height for A phases with D phases
Level, B phases export low level with C phases.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
- A kind of 1. noise-reduction method of air-conditioning motion, it is characterised in that including:Obtain the gravitational resistance square that motion driving wheel in diverse location on movement locus is born;The pulse frequency of the stepper motor offer gravitational resistance square transmission is provided according to the gravitational resistance square;According to the gravitational resistance square and pulse frequency generation torque frequency feature curve;Stepper motor is controlled according to the torque frequency feature curve, completes the uniform motion control to motion;Wherein, stepper motor is controlled according to the torque frequency feature curve, the at the uniform velocity control completed to motion is specific For:In wind direction regulating device opening procedure, control stepper motor is controlled to motion, is updated every preset time The driving frequency of powered motion mechanism;Wherein, preset time 6ms;In wind direction regulating device closing course, control stepper motor is controlled to motion;Wherein, it is described in wind direction regulating device closing course, it is arranged in the angle T of wind direction regulating device closure for T >=50 ° Meadow, maintain the driving frequency currently exported;Be arranged to saltation zone in the angle T of wind direction regulating device closure for 20 °≤T≤50 °, using pid algorithm to KI parameters and Output driving frequency is adjusted in KP parameters;Transition region is arranged to for 5 °≤T≤20 ° in the angle T of wind direction regulating device closure, the operation angle of motion often becomes Changing 1 ° of driving frequency by output increases 10000HZ;It is T in the angle T of wind direction regulating device closure<5 ° are arranged to holding area.
- 2. according to the method for claim 1, it is characterised in that acquisition motion diverse location on movement locus When the gravitational resistance square that bears of driving wheel be specially:The gravitational resistance square that driven pulley is born in motion is drawn according to equalising torque:T4=G*L (1)Assuming that energy transmission is lossless, transmission power is identical, and the driving wheel calculated in motion is driven to auxiliary driven pulley When power:P=T1×ω1=T2×ω2 (2)Drawn by (2) formulaT1/T2=ω2/ω1 (3)Because the tangential velocity of motion middle gear transmission is equal, soT1/T4=r1/r4 (4)Drawn by (1) formula and (4) formulaT1=GLr1/r4 (5)Wherein, T4The gravitational resistance square born for driven pulley, G are wind direction regulating device gravity, and L bears damping force by driven pulley The arm of force of square, P are motion drive power, T1For the torque of driving wheel, ω1For the rotational angular velocity of driving wheel, T2For auxiliary The torque of driven pulley, ω2To aid in the rotational angular velocity of driven pulley, r1For the radius of driving wheel, r4For the radius of driven pulley.
- 3. according to the method for claim 1, it is characterised in that described in wind direction regulating device opening procedure, control step Stepper motor is controlled specially to motion:Judge whether wind direction regulating device is opened, if then:Judge whether motion has run full preset time with fixed frequency, if then:The driving frequency currently exported is maintained, and exports the count value of four phase eight beat;To umber of beats and count value corresponding to the four phases output of stepper motor;Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
- 4. according to the method for claim 3, it is characterised in that the preset time is 6ms.
- 5. according to the method for claim 1, it is characterised in that described in wind direction regulating device closing course, control step Stepper motor is controlled specially to motion:When the closure angle T of wind direction regulating device is T >=50 °:The driving frequency currently exported is maintained, and exports the count value of four phase eight beat;To umber of beats and count value corresponding to the four phases output of stepper motor;Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
- 6. according to the method for claim 1, it is characterised in that described in wind direction regulating device closing course, control step Stepper motor is controlled specially to motion:When the closure angle T of wind direction regulating device is 20 °≤T≤50 °:Judge whether to reach four bats counting, if then:Output driving frequency is adjusted to KI parameters and KP parameters using pid algorithm;Export the count value of four phase eight beat;To umber of beats and count value corresponding to the four phases output of stepper motor;Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
- 7. according to the method for claim 1, it is characterised in that described in wind direction regulating device closing course, control step Stepper motor is controlled specially to motion:When the closure angle T of wind direction regulating device is 5 °≤T≤20 °:Judge whether operation angle changes 1 °, if then:The driving frequency of output is increased into 10000HZ;Export the count value of four phase eight beat;To umber of beats and count value corresponding to the four phases output of stepper motor;Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
- 8. according to the method for claim 1, it is characterised in that described in wind direction regulating device closing course, control step Stepper motor is controlled specially to motion:When the closure angle T of wind direction regulating device is T<At 5 °:The driving frequency currently exported is maintained, and exports the count value of four phase eight beat;To umber of beats and count value corresponding to the four phases output of stepper motor;Stepper motor umber of beats and count value according to corresponding to the four phases output received complete the control to motion.
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CN201310597592.5A CN104654548B (en) | 2013-11-21 | 2013-11-21 | A kind of noise-reduction method of air-conditioning motion |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2288252B (en) * | 1994-04-07 | 1998-02-04 | Daimler Benz Ag | Servo-drive device |
CN1893255A (en) * | 2005-06-27 | 2007-01-10 | 株式会社电装 | Motor control apparatus |
CN101153732A (en) * | 2006-09-28 | 2008-04-02 | 日立空调·家用电器株式会社 | Control method and device for opening and closing door of air conditioner |
CN201541227U (en) * | 2009-07-07 | 2010-08-04 | 浙江新飞跃股份有限公司 | stepping motor controller |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005214562A (en) * | 2004-01-30 | 2005-08-11 | Daikin Ind Ltd | Air conditioning indoor unit |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2288252B (en) * | 1994-04-07 | 1998-02-04 | Daimler Benz Ag | Servo-drive device |
CN1893255A (en) * | 2005-06-27 | 2007-01-10 | 株式会社电装 | Motor control apparatus |
CN101153732A (en) * | 2006-09-28 | 2008-04-02 | 日立空调·家用电器株式会社 | Control method and device for opening and closing door of air conditioner |
CN201541227U (en) * | 2009-07-07 | 2010-08-04 | 浙江新飞跃股份有限公司 | stepping motor controller |
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