CN105674480A - Air conditioner and noise reduction control method and noise reduction control device of air conditioner - Google Patents
Air conditioner and noise reduction control method and noise reduction control device of air conditioner Download PDFInfo
- Publication number
- CN105674480A CN105674480A CN201610009714.8A CN201610009714A CN105674480A CN 105674480 A CN105674480 A CN 105674480A CN 201610009714 A CN201610009714 A CN 201610009714A CN 105674480 A CN105674480 A CN 105674480A
- Authority
- CN
- China
- Prior art keywords
- rotating speed
- displacement
- noise reduction
- premises station
- conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F2110/00—Control inputs relating to air properties
-
- 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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a noise reduction control method of an air conditioner. The noise reduction control method of the air conditioner comprises the following steps that the vibration condition of an outdoor unit in the air conditioner is detected, so that the maximum vibration displacement is obtained; and the displacement variation is calculated according to the maximum vibration displacement and the preset displacement when the maximum vibration displacement is larger than the preset displacement, PI adjustment is conducted on the displacement variation when the displacement variation is larger than a preset threshold value so that a given rotating speed compensation amount can be obtained, the given rotating speed of a compressor in the outdoor unit is regulated according to the given rotating speed compensation amount, and the compressor is controlled according to the regulated given rotating speed and the feedback rotating speed of the compressor, so that the noise of the outdoor unit is lowered by reducing vibration of the outdoor unit. According to the noise reduction control method, the excessive vibration point of the outdoor unit can be effectively avoided, and the effect that piping is safe and reliable is guaranteed; and meanwhile, the noise of the outdoor unit is effectively lowered, and the comfort of users is greatly improved. The invention further discloses a noise reduction control device of the air conditioner and the air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, the noise reduction particularly to the method for noise reduction control of a kind of air-conditioner, a kind of air-conditioner controls device and a kind of air-conditioner.
Background technology
Air-conditioner, as the housed device of a kind of effective lifting human body comfort, can pass through to improve ambient temperature and reach to be suitable for the temperature that human body is the most comfortable. But from the angle of comfortableness, noise problem also must be considered that interior.
Accordingly, it would be desirable to air-conditioner is carried out noise reduction process to improve comfortableness.
Summary of the invention
The application is based on inventor and understanding and the research of problems with is made:
Current most air-conditioning producer, mainly around indoor reduction noise processed, have ignored the noise of air-conditioner outdoor unit and also can pass to indoor by indoor and outdoor coolant pipeline, meanwhile, if the noise of off-premises station is also possible to too greatly influence whether neighbours or pedestrian.
For off-premises station, the vibration of pipe arrangement will produce certain noise, affects user's comfortableness, and pipe arrangement vibration is excessive, will cause pipe arrangement accelerated ageing, and there is also the situation that pipe arrangement breaks time serious, and affect user and normally use. In correlation technique, under specific operation, test the vibrated a little bigger amplitude of pipe arrangement, and it is shielded. But, the applying working condition of air-conditioner is a lot, and therefore resonance point will change, original test data no longer accurately, thus cannot effectively avoid vibrated a little louder.
It is contemplated that one of technical problem solved at least to a certain extent in above-mentioned technology. For this, first purpose of the present invention is in that to propose the method for noise reduction control of a kind of air-conditioner, it is possible to effectively avoid off-premises station vibrated a little louder, thus preventing from excessive causing that pipe arrangement breaks because vibrating, effectively reduce the noise of off-premises station simultaneously, be greatly improved the comfortableness of user.
Second purpose of the present invention is in that the noise reduction proposing a kind of air-conditioner controls device. 3rd purpose of the present invention is in that to propose a kind of air-conditioner.
For reaching above-mentioned purpose, the method for noise reduction control of a kind of air-conditioner that first aspect present invention embodiment proposes, comprise the following steps: S1, detect in described air-conditioner the Vibration Condition of off-premises station to obtain maximum vibration displacement; S2, it is judged that whether described maximum vibration displacement is more than preset displacement amount; S3, if described maximum vibration displacement is more than described preset displacement amount, then calculates displacement variable according to described maximum vibration displacement and described preset displacement gauge, and judges that whether described displacement variable is more than predetermined threshold value; And S4, if described displacement variable is more than predetermined threshold value, described displacement variable then carries out PI regulate to obtain given rotating speed compensation dosage, and according to described given rotating speed compensation dosage, the given rotating speed of compressor in described off-premises station is adjusted, and according to the given rotating speed after regulating and the feedback rotating speed of described compressor, described compressor is controlled, to pass through to reduce the vibration of described off-premises station so that the noise reduction of described off-premises station.
The method for noise reduction control of air-conditioner according to embodiments of the present invention, first in detection air-conditioner the Vibration Condition of off-premises station to obtain maximum vibration displacement, then when maximum vibration displacement is more than preset displacement amount, displacement variable is calculated according to maximum vibration displacement and preset displacement gauge, and when displacement variable is more than predetermined threshold value, displacement variable carries out PI regulate to obtain given rotating speed compensation dosage, and according to given rotating speed compensation dosage, the given rotating speed of compressor in off-premises station is adjusted, and compressor is controlled by the feedback rotating speed according to the given rotating speed after regulating and compressor, to pass through the vibration reducing off-premises station so that the noise reduction of off-premises station, the noise avoiding off-premises station is excessive, substantially increase user's comfortableness, can ensure that the Oscillation Amplitude of off-premises station is within the scope of margin of safety by the vibration of reduction off-premises station simultaneously, thus effectively preventing from causing that pipe arrangement breaks because vibrating excessive, ensure that pipe arrangement is safe and reliable.
According to one embodiment of present invention, the Vibration Condition of off-premises station in described air-conditioner is detected by vibrating sensor.
Wherein, described vibrating sensor is arranged on the vibration sensing position of described off-premises station.
According to one embodiment of present invention, Negotiation speed position estimator obtains the feedback rotating speed of described compressor.
According to one embodiment of present invention, according to described given rotating speed compensation dosage, the given rotating speed of compressor in described off-premises station is adjusted, particularly as follows: described given rotating speed to be deducted described given rotating speed compensation dosage.
For reaching above-mentioned purpose, the noise reduction of a kind of air-conditioner that second aspect present invention embodiment proposes controls device, including vibrating detector, for detecting in described air-conditioner the Vibration Condition of off-premises station obtaining maximum vibration displacement; First judge module, is used for judging that whether described maximum vibration displacement is more than preset displacement amount; Computing module, for when described maximum vibration displacement is more than described preset displacement amount, calculating displacement variable according to described maximum vibration displacement and described preset displacement gauge; Second judge module, is used for judging that whether described displacement variable is more than predetermined threshold value; Oneth PI controller, regulates for described displacement variable carries out PI when described maximum vibration displacement is more than described predetermined threshold value to obtain given rotating speed compensation dosage; Control module, for the given rotating speed of compressor in described off-premises station being adjusted according to described given rotating speed compensation dosage, and according to the given rotating speed after regulating and the feedback rotating speed of described compressor, described compressor is controlled, to pass through to reduce the vibration of described off-premises station so that the noise reduction of described off-premises station.
The noise reduction of air-conditioner according to embodiments of the present invention controls device, by the Vibration Condition of off-premises station in vibrating detector detection air-conditioner to obtain maximum vibration displacement, then when maximum vibration displacement is more than preset displacement amount, displacement variable is calculated according to maximum vibration displacement and preset displacement gauge, and when displacement variable is more than predetermined threshold value, displacement variable is carried out PI adjustment to obtain given rotating speed compensation dosage, finally according to given rotating speed compensation dosage, the given rotating speed of compressor in off-premises station is adjusted, and compressor is controlled by the feedback rotating speed according to the given rotating speed after regulating and compressor, to pass through the vibration reducing off-premises station so that the noise reduction of off-premises station, the noise avoiding off-premises station is excessive, substantially increase user's comfortableness, can ensure that the Oscillation Amplitude of off-premises station is within the scope of margin of safety by the vibration of reduction off-premises station simultaneously, thus effectively preventing from causing that pipe arrangement breaks because vibrating excessive, ensure that pipe arrangement is safe and reliable.
According to one embodiment of present invention, described vibrating detector includes vibrating sensor, and described vibrating detector is arranged on the vibration sensing position of described off-premises station.
According to one embodiment of present invention, the noise reduction of described air-conditioner controls device and also includes velocity location estimator, and described velocity location estimator is for obtaining the feedback rotating speed of described compressor.
According to one embodiment of present invention, described given rotating speed is deducted described given rotating speed compensation dosage so that the given rotating speed of compressor in described off-premises station to be adjusted by described control module.
Additionally, embodiments of the invention also proposed a kind of air-conditioner, it noise reduction including above-mentioned air-conditioner controls device.
The air-conditioner of the embodiment of the present invention, device is controlled by above-mentioned noise reduction, can effectively avoid vibrated a little louder, ensure that vibration amplitude is within the scope of margin of safety, thus effectively reducing the noise of off-premises station, the noise avoiding off-premises station is excessive, substantially increases user's comfortableness, effectively prevents because vibrating situation that is excessive and that cause pipe arrangement to break simultaneously.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for noise reduction control of air-conditioner according to embodiments of the present invention;
Fig. 2 is the control principle block diagram of compressor in off-premises station according to an embodiment of the invention;
Fig. 3 A is the noise curve schematic diagram of the off-premises station of the method for noise reduction control being provided without the present invention;
Fig. 3 B is the noise curve schematic diagram of the off-premises station of the method for noise reduction control adopting the present invention; And
Fig. 4 is the block diagram of the noise reduction control device of air-conditioner according to embodiments of the present invention.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Describe the method for noise reduction control of the air-conditioner proposed according to embodiments of the present invention with reference to the accompanying drawings, the noise reduction of air-conditioner controls device and has the air-conditioner of this noise reduction control device.
Fig. 1 is the flow chart of the method for noise reduction control of air-conditioner according to embodiments of the present invention. As it is shown in figure 1, the method for noise reduction control of this air-conditioner comprises the following steps:
S1, in detection air-conditioner, the Vibration Condition of off-premises station is to obtain maximum vibration displacement.
Wherein it is possible to by the Vibration Condition of off-premises station in vibrating sensor detection air-conditioner.According to one embodiment of present invention, vibrating sensor is disposed in the outdoor the vibration sensing position of machine.
Specifically, for different types of off-premises station, all differing due to compressor, vaporizer, condenser and pipe arrangement etc., the vibration sensing position of off-premises station is also not quite similar, accordingly, it would be desirable to found the vibration sensing position of different types of off-premises station by great many of experiments. In one embodiment of the invention, the most sensitive position of amplitude can be determined according to off-premises station pipe arrangement vibration position historical data, i.e. vibration sensing position, and vibrating sensor such as three dimension acceleration sensor is arranged on vibration sensing position, to detect off-premises station vibration displacement amount in different directions, by comparing to obtain maximum vibration displacement to the vibration displacement amount on different directions. It is understood that maximum vibration displacement can also be obtained by other vibrating sensors.
S2, it is judged that whether maximum vibration displacement is more than preset displacement amount. Wherein, preset displacement amount can be demarcated according to practical situation, for instance preset displacement amount can be set according to enterprise's mark, and when mechanical frequency is less than 50Hz, preset displacement amount can be 500um; When mechanical frequency is more than 50Hz, preset displacement amount can be 200um.
S3, if maximum vibration displacement is more than preset displacement amount, then calculates displacement variable according to maximum vibration displacement and preset displacement gauge, and judges that whether displacement variable is more than predetermined threshold value. Wherein, predetermined threshold value can be demarcated according to practical situation.
S4, if displacement variable is more than predetermined threshold value, displacement variable then carries out PI regulate to obtain given rotating speed compensation dosage, and according to given rotating speed compensation dosage, the given rotating speed of compressor in off-premises station is adjusted, and according to the given rotating speed after regulating and the feedback rotating speed of compressor, compressor is controlled, to pass through to reduce the vibration of off-premises station so that the noise reduction of off-premises station.
That is, the Vibration Condition of off-premises station can be detected by three dimension acceleration sensor and the Vibration Condition of the off-premises station of detection is analyzed obtaining the maximum vibration displacement of off-premises station, and maximum vibration displacement is fed back to off-premises station master chip, maximum vibration displacement is compared by off-premises station master chip with the displacement under corresponding compressor rotary speed and preset displacement amount, and when maximum vibration displacement is more than preset displacement amount, calculate displacement variable between the two, then displacement variable is judged, if displacement variable is less than or equal to predetermined threshold value, namely displacement variable is within the range of permission, then do not carry out noise reduction control. if displacement variable is more than predetermined threshold value, namely displacement variable exceedes the scope of permission, then need to be adjusted, and records maximum vibration displacement now, in order to follow-up directly this maximum vibration displacement is shielded when compressor is controlled.
Specifically, detected off-premises station vibration amplitude on X-axis, Y-axis and Z axis and vibration displacement amount by three dimension acceleration sensor, and the vibration displacement amount on the X-axis of detection, Y-axis and Z axis is compared, to obtain maximum vibration displacement SmaxIf, maximum vibration displacement SmaxLess than or equal to preset displacement amount S*, then without carrying out noise reduction control by compensation given rotating speed; If maximum vibration displacement SmaxMore than preset displacement amount S*, then displacement variation delta S=S is calculatedmax-S*, and displacement variation delta S is judged.If displacement variable Δ S is less than or equal to predetermined threshold value namely in allowed limits, then without carrying out noise reduction control by compensation given rotating speed; If namely displacement variable Δ S exceeds the scope allowed more than predetermined threshold value, then displacement variation delta S is carried out PI adjustment, simultaneously using the PI result regulated as the regulated quantity of given rotating speed, given rotating speed is adjusted, finally according to the given rotating speed after regulating, compressor is controlled, so just quickly avoiding vibrated being effectively reduced the noise of off-premises station a little louder by adjustments of rotating speed, while, effectively prevents because vibrating situation that is excessive and that cause pipe arrangement to break. It addition, when displacement variation delta S is more than predetermined threshold value, it is also possible to the maximum vibration displacement data storehouse of storage is carried out online updating, with directly shield when compressor operating vibrated a little louder.
According to one embodiment of present invention, according to given rotating speed compensation dosage, the given rotating speed of compressor in off-premises station is adjusted, particularly as follows: given rotating speed to be deducted given rotating speed compensation dosage.
Specifically, according to one embodiment of present invention, as in figure 2 it is shown, be the control block diagram of compressor in off-premises station. Shown in dotted box portion in Fig. 2, it is used for measuring off-premises station vibration displacement amount on X-axis, Y-axis and Z axis by mounted three dimension acceleration sensor, and judges three to obtain maximum vibration displacement Smax, then by maximum vibration displacement SmaxWith preset displacement amount S*Compare. If maximum vibration displacement SmaxLess than preset displacement amount S*, then without the given rotating speed of compressor is adjusted, it is possible to according to the B branch road in Fig. 2, compressor is controlled, now has S=S*, namely haveThus the given rotating speed of compressor can not be compensated process. If maximum vibration displacement SmaxMore than preset displacement amount S*, then according to the A branch road in Fig. 2, the given rotating speed of compressor is adjusted, namely first calculates displacement variable Δ S=S between the twomax-S*, then pass through a PI controller displacement variation delta S is carried out PI control with calculate obtain given rotating speed compensation dosage
As in figure 2 it is shown, by given rotating speedDeduct given rotating speed compensation dosageGiven rotating speed after adjusted, then the feedback rotational speed omega to the given rotating speed after regulating with compressorrBetween speed error carry out PI control to obtain motor torque Te*, according to motor torque Te*Calculating obtains the given electric current of q axleFinally according to the given electric current of q axleD axle gives electric currentBy the q shaft current i that Coordinate Conversion obtainsqWith d shaft current idRealize compressor is carried out rotating speed control, thus can reduce given frequency fast and effectively, realize effective rotational speed setup regulate with avoid vibrated a little louder, namely resonance point is effectively avoided, it is ensured that Oscillation Amplitude is within the scope of margin of safety, by effectively controlling Oscillation Amplitude, may insure that the security reliability of pipe arrangement on the one hand, prevent because vibrating situation that is excessive and that cause pipe arrangement to break, the purpose of off-premises station noise can be reduced on the other hand, be greatly improved the comfortableness of user.
Wherein, according to the given electric current of q axleD axle gives electric currentBy the q shaft current i that Coordinate Conversion obtainsqWith d shaft current idRealize the whole control process that compressor is carried out rotating speed control as in figure 2 it is shown, be just no longer described in detail here, in Fig. 2For d shaft voltage,For q shaft voltage, θ is the rotor angle of compressor, and R is the electronic resistance of compressor, LqFor q axle inductance, LdFor d axle inductance, KeFor back EMF constant, VdcFor DC bus-bar voltage, the full name of SVPWM is (SpaceVectorPulseWidthModulation, space vector pulse width modulation).
According to one embodiment of present invention, as in figure 2 it is shown, can Negotiation speed position estimator obtain compressor feedback rotational speed omegar。
It addition, in this embodiment, if maximum vibration displacement SmaxMore than preset displacement amount S*, then also to maximum vibration displacement SmaxCarry out storing with real-time update maximum vibration displacement data storehouse, with when compressor operating directly to this maximum vibration displacement SmaxShield, thus rapidly and effectively avoiding resonance point.
In a concrete example of the present invention, run air-conditioner more of a specified duration by one and be simulated test. It is provided without the method for noise reduction control of the embodiment of the present invention and air-conditioner is carried out noise reduction when controlling, amplitude respectively 230um and the 320um of the off-premises station pipe arrangement that original frequency records when 25Hz and 55Hz, specifically as shown in Figure 3A; And during by adding three dimension acceleration sensor to adopt the method for noise reduction control of the embodiment of the present invention that air-conditioner is carried out noise reduction control, 25Hz and 55Hz can be run given Automatic Frequency and be adjusted to 23Hz and 52Hz, the now amplitude of off-premises station pipe arrangement respectively 66um and 62um, specifically as shown in Figure 3 B. By measured result, it is vibrated a little louder that the method for noise reduction control of the air-conditioner of the embodiment of the present invention can effectively avoid pipe arrangement, including resonance point and abnormal singular point, ensure that the security reliability of pipe arrangement, effectively reduce the noise of off-premises station simultaneously, make off-premises station noise control within the range of permission, substantially increase comfortableness.
The method for noise reduction control of air-conditioner according to embodiments of the present invention, first in detection air-conditioner the Vibration Condition of off-premises station to obtain maximum vibration displacement, then when maximum vibration displacement is more than preset displacement amount, displacement variable is calculated according to maximum vibration displacement and preset displacement gauge, and when displacement variable is more than predetermined threshold value, displacement variable carries out PI regulate to obtain given rotating speed compensation dosage, and according to given rotating speed compensation dosage, the given rotating speed of compressor in off-premises station is adjusted, and compressor is controlled by the feedback rotating speed according to the given rotating speed after regulating and compressor, to pass through the vibration reducing off-premises station so that the noise reduction of off-premises station, the noise avoiding off-premises station is excessive, substantially increase user's comfortableness, can ensure that the Oscillation Amplitude of off-premises station is within the scope of margin of safety by the vibration of reduction off-premises station simultaneously, thus effectively preventing from causing that pipe arrangement breaks because vibrating excessive, ensure that pipe arrangement is safe and reliable.
Fig. 4 is the block diagram of the noise reduction control device of air-conditioner according to embodiments of the present invention. As shown in Figure 4, the noise reduction control device of this air-conditioner includes: vibrating detector the 10, first judge module 20, computing module the 30, second judge module the 40, the oneth PI controller 50 and control module 60. Wherein, vibrating detector 10 is for detecting in air-conditioner the Vibration Condition of off-premises station to obtain maximum vibration displacement. First judge module 20 is used for judging that whether maximum vibration displacement is more than preset displacement amount. Computing module 30 is for when maximum vibration displacement is more than preset displacement amount, calculating displacement variable according to maximum vibration displacement and preset displacement gauge. Second judge module 40 is used for judging that whether displacement variable is more than predetermined threshold value. Oneth PI controller 50 regulates for displacement variable carries out PI when maximum vibration displacement is more than predetermined threshold value to obtain given rotating speed compensation dosage. Control module 60 for the given rotating speed of compressor in off-premises station being adjusted according to given rotating speed compensation dosage, and according to the given rotating speed after regulating and the feedback rotating speed of compressor, compressor is controlled, to pass through to reduce the vibration of off-premises station so that the noise reduction of off-premises station.
According to one embodiment of present invention, vibrating detector 10 includes vibrating sensor, and vibrating detector 10 is disposed in the outdoor the vibration sensing position of machine. Vibrating sensor can be three dimension acceleration sensor.
For different types of off-premises station, all differing due to compressor, vaporizer, condenser and pipe arrangement etc., the vibration sensing position of off-premises station is also not quite similar, accordingly, it would be desirable to found the vibration sensing position of different types of off-premises station by great many of experiments. In one embodiment of the invention, the most sensitive position of amplitude can be determined according to off-premises station pipe arrangement vibration position historical data, i.e. vibration sensing position, and vibrating detector 10 is arranged on vibration sensing position, to detect off-premises station vibration displacement amount in different directions, by comparing to obtain maximum vibration displacement to the vibration displacement amount on different directions.
Specifically, detected off-premises station vibration amplitude on X-axis, Y-axis and Z axis and vibration displacement amount by vibrating detector 10, and the vibration displacement amount on the X-axis of detection, Y-axis and Z axis is compared, to obtain maximum vibration displacement Smax, the first judge module 20 is to maximum vibration displacement SmaxJudge, if maximum vibration displacement SmaxLess than or equal to preset displacement amount S*, then without carrying out noise reduction control by compensation given rotating speed; If maximum vibration displacement SmaxMore than preset displacement amount S*, then computing module 30 calculates displacement variation delta S=Smax-S*, displacement variation delta S is judged by the second judge module 40. If displacement variable Δ S is less than or equal to predetermined threshold value namely in allowed limits, then without carrying out noise reduction control by compensation given rotating speed; If namely displacement variable Δ S exceeds the scope allowed more than predetermined threshold value, then by a PI controller 50, displacement variation delta S is carried out PI adjustment, finally control module 60 using the PI result the regulated regulated quantity as given rotating speed, given rotating speed is adjusted, and according to the given rotating speed after regulating, compressor is controlled, so by the adjustment of rotating speed just can quickly avoid vibrated a little louder, it is effectively reduced the noise of off-premises station, effectively prevents because vibrating situation that is excessive and that cause pipe arrangement to break simultaneously. It addition, when displacement variation delta S is more than predetermined threshold value, controls module 60 and the maximum vibration displacement data storehouse of storage can also be carried out online updating, with directly shield when compressor operating vibrated a little louder.
Wherein, control module 60 and given rotating speed can be deducted given rotating speed compensation dosage so that the given rotating speed of compressor in off-premises station to be adjusted.
According to one embodiment of present invention, as shown in Figure 4, the noise reduction of above-mentioned air-conditioner controls device and also includes velocity location estimator 70, and velocity location estimator 70 is for obtaining the feedback rotating speed of compressor.
The noise reduction of air-conditioner according to embodiments of the present invention controls device, by the Vibration Condition of off-premises station in vibrating detector detection air-conditioner to obtain maximum vibration displacement, then when maximum vibration displacement is more than preset displacement amount, displacement variable is calculated according to maximum vibration displacement and preset displacement gauge, and when displacement variable is more than predetermined threshold value, displacement variable is carried out PI adjustment to obtain given rotating speed compensation dosage, finally according to given rotating speed compensation dosage, the given rotating speed of compressor in off-premises station is adjusted, and compressor is controlled by the feedback rotating speed according to the given rotating speed after regulating and compressor, to pass through the vibration reducing off-premises station so that the noise reduction of off-premises station, the noise avoiding off-premises station is excessive, substantially increase user's comfortableness, can ensure that the Oscillation Amplitude of off-premises station is within the scope of margin of safety by the vibration of reduction off-premises station simultaneously, thus effectively preventing from causing that pipe arrangement breaks because vibrating excessive, ensure that pipe arrangement is safe and reliable.
Additionally, embodiments of the invention also proposed a kind of air-conditioner, it noise reduction including above-mentioned air-conditioner controls device.
The air-conditioner of the embodiment of the present invention, device is controlled by above-mentioned noise reduction, can effectively avoid vibrated a little louder, ensure that vibration amplitude is within the scope of margin of safety, thus effectively reducing the noise of off-premises station, the noise avoiding off-premises station is excessive, substantially increases user's comfortableness, effectively prevents because vibrating situation that is excessive and that cause pipe arrangement to break simultaneously.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic. Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature. In describing the invention, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact. And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner. Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (10)
1. the method for noise reduction control of an air-conditioner, it is characterised in that comprise the following steps:
S1, detects in described air-conditioner the Vibration Condition of off-premises station to obtain maximum vibration displacement;
S2, it is judged that whether described maximum vibration displacement is more than preset displacement amount;
S3, if described maximum vibration displacement is more than described preset displacement amount, then calculates displacement variable according to described maximum vibration displacement and described preset displacement gauge, and judges that whether described displacement variable is more than predetermined threshold value; And
S4, if described displacement variable is more than predetermined threshold value, described displacement variable then carries out PI regulate to obtain given rotating speed compensation dosage, and according to described given rotating speed compensation dosage, the given rotating speed of compressor in described off-premises station is adjusted, and according to the given rotating speed after regulating and the feedback rotating speed of described compressor, described compressor is controlled, to pass through to reduce the vibration of described off-premises station so that the noise reduction of described off-premises station.
2. the method for noise reduction control of air-conditioner as claimed in claim 1, it is characterised in that detect the Vibration Condition of off-premises station in described air-conditioner by vibrating sensor.
3. the method for noise reduction control of air-conditioner as claimed in claim 2, it is characterised in that described vibrating sensor is arranged on the vibration sensing position of described off-premises station.
4. the method for noise reduction control of air-conditioner as claimed in claim 1, it is characterised in that Negotiation speed position estimator obtains the feedback rotating speed of described compressor.
5. the method for noise reduction control of air-conditioner as claimed in claim 1, it is characterised in that the given rotating speed of compressor in described off-premises station is adjusted according to described given rotating speed compensation dosage, particularly as follows:
Described given rotating speed is deducted described given rotating speed compensation dosage.
6. the noise reduction of an air-conditioner controls device, it is characterised in that including:
Vibrating detector, for detecting in described air-conditioner the Vibration Condition of off-premises station to obtain maximum vibration displacement;
First judge module, is used for judging that whether described maximum vibration displacement is more than preset displacement amount;
Computing module, for when described maximum vibration displacement is more than described preset displacement amount, calculating displacement variable according to described maximum vibration displacement and described preset displacement gauge;
Second judge module, is used for judging that whether described displacement variable is more than predetermined threshold value;
Oneth PI controller, regulates for described displacement variable carries out PI when described maximum vibration displacement is more than described predetermined threshold value to obtain given rotating speed compensation dosage;
Control module, for the given rotating speed of compressor in described off-premises station being adjusted according to described given rotating speed compensation dosage, and according to the given rotating speed after regulating and the feedback rotating speed of described compressor, described compressor is controlled, to pass through to reduce the vibration of described off-premises station so that the noise reduction of described off-premises station.
7. the noise reduction of air-conditioner as claimed in claim 6 controls device, it is characterised in that described vibrating detector includes vibrating sensor, and described vibrating detector is arranged on the vibration sensing position of described off-premises station.
8. the noise reduction of air-conditioner as claimed in claim 6 controls device, it is characterised in that also include velocity location estimator, and described velocity location estimator is for obtaining the feedback rotating speed of described compressor.
9. the noise reduction of air-conditioner as claimed in claim 6 controls device, it is characterised in that described given rotating speed is deducted described given rotating speed compensation dosage so that the given rotating speed of compressor in described off-premises station to be adjusted by described control module.
10. an air-conditioner, it is characterised in that the noise reduction including the air-conditioner as according to any one of claim 6-9 controls device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009714.8A CN105674480B (en) | 2016-01-04 | 2016-01-04 | The method for noise reduction control and noise reduction control device of air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009714.8A CN105674480B (en) | 2016-01-04 | 2016-01-04 | The method for noise reduction control and noise reduction control device of air conditioner and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105674480A true CN105674480A (en) | 2016-06-15 |
| CN105674480B CN105674480B (en) | 2018-09-11 |
Family
ID=56299364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610009714.8A Active CN105674480B (en) | 2016-01-04 | 2016-01-04 | The method for noise reduction control and noise reduction control device of air conditioner and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105674480B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040183A (en) * | 2017-04-26 | 2017-08-11 | 美的集团股份有限公司 | Motor driven systems, method and food blending machine |
| CN108253590A (en) * | 2018-01-09 | 2018-07-06 | 广东美的制冷设备有限公司 | The resonance point judgment method and storage medium of transducer air conditioning and its compressor |
| CN110030683A (en) * | 2019-03-11 | 2019-07-19 | 青岛海尔空调电子有限公司 | Control method for air conditioner |
| CN110617562A (en) * | 2019-09-12 | 2019-12-27 | 成都仙德科技有限公司 | Vibration suppression method for portable acoustic energy air conditioner |
| CN111023327A (en) * | 2019-12-26 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner and control method thereof |
| CN112576488A (en) * | 2019-09-29 | 2021-03-30 | 广东芬尼克兹节能设备有限公司 | Frequency adjusting method, device and equipment of variable frequency compressor and storage medium |
| CN113932556A (en) * | 2021-03-19 | 2022-01-14 | 海信（山东）冰箱有限公司 | Wine cabinet and control method and device thereof |
| CN114234398A (en) * | 2021-12-01 | 2022-03-25 | 格力电器（合肥）有限公司 | Air conditioner piping power control method, control device and computer storage medium |
| CN114234411A (en) * | 2021-12-21 | 2022-03-25 | 珠海格力电器股份有限公司 | Torque calculation method of compressor and air conditioner with same |
| CN114440395A (en) * | 2022-02-24 | 2022-05-06 | 海信（山东）空调有限公司 | Air conditioner noise reduction control method and device, air conditioner and storage medium |
| CN115789914A (en) * | 2022-11-25 | 2023-03-14 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004286238A (en) * | 2003-03-19 | 2004-10-14 | Daikin Ind Ltd | Control circuit of cooling device, and control method of cooling device |
| CN202126056U (en) * | 2011-07-14 | 2012-01-25 | Tcl空调器(中山)有限公司 | Variable-frequency air conditioner |
| CN103470483A (en) * | 2013-09-10 | 2013-12-25 | 广东美芝制冷设备有限公司 | Control method and system of compressor |
| CN103633917A (en) * | 2013-12-11 | 2014-03-12 | 陈卫兵 | Method and device for reducing vibration noise of motor |
| CN103967794A (en) * | 2013-02-05 | 2014-08-06 | 广东美的制冷设备有限公司 | Vibration compensation method for single-rotor compressor and controller |
| CN104344535A (en) * | 2013-08-02 | 2015-02-11 | 广东美的制冷设备有限公司 | Method and device for adaptively adjusting frequency of conditioner motor and air conditioner |
| CN104697150A (en) * | 2015-03-25 | 2015-06-10 | 广东美的制冷设备有限公司 | Air conditioning line vibration control system and method |
| CN104868816A (en) * | 2015-06-12 | 2015-08-26 | 珠海格力电器股份有限公司 | Self-adaptation noise reduction method and system of motor |
-
2016
- 2016-01-04 CN CN201610009714.8A patent/CN105674480B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004286238A (en) * | 2003-03-19 | 2004-10-14 | Daikin Ind Ltd | Control circuit of cooling device, and control method of cooling device |
| CN202126056U (en) * | 2011-07-14 | 2012-01-25 | Tcl空调器(中山)有限公司 | Variable-frequency air conditioner |
| CN103967794A (en) * | 2013-02-05 | 2014-08-06 | 广东美的制冷设备有限公司 | Vibration compensation method for single-rotor compressor and controller |
| CN104344535A (en) * | 2013-08-02 | 2015-02-11 | 广东美的制冷设备有限公司 | Method and device for adaptively adjusting frequency of conditioner motor and air conditioner |
| CN103470483A (en) * | 2013-09-10 | 2013-12-25 | 广东美芝制冷设备有限公司 | Control method and system of compressor |
| CN103633917A (en) * | 2013-12-11 | 2014-03-12 | 陈卫兵 | Method and device for reducing vibration noise of motor |
| CN104697150A (en) * | 2015-03-25 | 2015-06-10 | 广东美的制冷设备有限公司 | Air conditioning line vibration control system and method |
| CN104868816A (en) * | 2015-06-12 | 2015-08-26 | 珠海格力电器股份有限公司 | Self-adaptation noise reduction method and system of motor |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040183A (en) * | 2017-04-26 | 2017-08-11 | 美的集团股份有限公司 | Motor driven systems, method and food blending machine |
| CN108253590A (en) * | 2018-01-09 | 2018-07-06 | 广东美的制冷设备有限公司 | The resonance point judgment method and storage medium of transducer air conditioning and its compressor |
| CN108253590B (en) * | 2018-01-09 | 2021-03-19 | 广东美的制冷设备有限公司 | Variable frequency air conditioner, resonance point judgment method of compressor of variable frequency air conditioner and storage medium |
| WO2020181715A1 (en) * | 2019-03-11 | 2020-09-17 | 青岛海尔空调电子有限公司 | Control method for air conditioner |
| CN110030683A (en) * | 2019-03-11 | 2019-07-19 | 青岛海尔空调电子有限公司 | Control method for air conditioner |
| CN110617562A (en) * | 2019-09-12 | 2019-12-27 | 成都仙德科技有限公司 | Vibration suppression method for portable acoustic energy air conditioner |
| CN112576488A (en) * | 2019-09-29 | 2021-03-30 | 广东芬尼克兹节能设备有限公司 | Frequency adjusting method, device and equipment of variable frequency compressor and storage medium |
| CN112576488B (en) * | 2019-09-29 | 2023-02-21 | 广东芬尼克兹节能设备有限公司 | Frequency adjusting method, device and equipment of variable frequency compressor and storage medium |
| CN111023327A (en) * | 2019-12-26 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner and control method thereof |
| CN113932556A (en) * | 2021-03-19 | 2022-01-14 | 海信（山东）冰箱有限公司 | Wine cabinet and control method and device thereof |
| CN114234398A (en) * | 2021-12-01 | 2022-03-25 | 格力电器（合肥）有限公司 | Air conditioner piping power control method, control device and computer storage medium |
| CN114234411A (en) * | 2021-12-21 | 2022-03-25 | 珠海格力电器股份有限公司 | Torque calculation method of compressor and air conditioner with same |
| CN114440395A (en) * | 2022-02-24 | 2022-05-06 | 海信（山东）空调有限公司 | Air conditioner noise reduction control method and device, air conditioner and storage medium |
| CN114440395B (en) * | 2022-02-24 | 2023-10-27 | 海信空调有限公司 | Air conditioner noise reduction control method and device, air conditioner and storage medium |
| CN115789914A (en) * | 2022-11-25 | 2023-03-14 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105674480B (en) | 2018-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105674480A (en) | Air conditioner and noise reduction control method and noise reduction control device of air conditioner | |
| CN104344492B (en) | Duct type ventilation unit and its air quantity control method | |
| CN109489991B (en) | Method and system for calculating opening degree of accelerator pedal in electric vehicle performance test | |
| CN106842905B (en) | PID control method and device | |
| KR20160056561A (en) | System and method for avoiding obstacle for autonomous vehicle | |
| US20170155353A1 (en) | Method and device for determining a rotor temperature, computer program, and computer program product | |
| CN105605697A (en) | Air conditioner and denoising control method and denoising control device of air conditioner | |
| CN104245463B (en) | Method for correcting the course of a motor vehicle and associated motor vehicle course correction device | |
| CN103935394B (en) | Steering control device | |
| CN109747431A (en) | A kind of control method in slope of electric car, system and device | |
| JP2008259400A (en) | Independent operation detection method, controller for detecting independent operation of distributed power supply, independent operation detection device, and distributed power supply system | |
| CN111561543B (en) | Vibration reduction system of tunneling machine inertial navigation combined positioning device and using method thereof | |
| US8494801B2 (en) | Method and system for determining the rotor temperature of an electric motor of a hybrid vehicle | |
| CN105570175A (en) | Constant-air-volume motor drive control method for fan | |
| CN106464193B (en) | Motor Control constant calculations device | |
| US20110140646A1 (en) | Methods and systems for induction machine control | |
| JP6199426B2 (en) | Steer-by-wire steering reaction force control device | |
| EP3309377A2 (en) | System and method for controlling engine operation | |
| KR101858180B1 (en) | Method and apparatus for controlling electric motor of electric assist steering system | |
| CN104964389A (en) | Air conditioner, outdoor unit of air conditioner and power estimation control method and device for outdoor fan | |
| CN114301352A (en) | Motor speed measuring method, speed measuring device and speed measuring system | |
| CN110871806B (en) | Vibration damping control method and device for hybrid electric vehicle | |
| CN114731126A (en) | Method and apparatus for calibrating an offset angle | |
| JP2001087189A (en) | Input controller for vacuum cleaner | |
| CN114643999A (en) | Vehicle and lateral control method and device thereof and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |