CN104154634A - Rotation speed control method and device of air supply motor of air conditioner - Google Patents
Rotation speed control method and device of air supply motor of air conditioner Download PDFInfo
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- CN104154634A CN104154634A CN201310178724.0A CN201310178724A CN104154634A CN 104154634 A CN104154634 A CN 104154634A CN 201310178724 A CN201310178724 A CN 201310178724A CN 104154634 A CN104154634 A CN 104154634A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention discloses a rotation speed control method of an air supply motor of an air conditioner. The rotation speed control method comprises the steps of determining the relation between the working position of an air guide device of the air conditioner and the target air supply quantity and the relation between the working position of the air guide device of the air conditioner and the actual air supply quantity in advance; acquiring the current working position of the air guide device; regulating the rotation speed of the air supply motor according to the current working position and the relations to regulate the actual air supply quantity and make the actual air supply quantity approximate to the target air supply quantity. When the air direction of the air conditioner is changed, it can be guaranteed to the maximum degree that the quantity of air actually supplied by the air conditioner is approximate to the target air quantity required by a user, it is avoided that the air supply quantity is greatly decreased at the working position with large air resistance, and therefore the refrigerating effect or the heating effect can be effectively controlled and the energy consumption can be reduced to the maximum degree. Meanwhile, rotation speed compensation is determined according to a preset level of noise so that the working noise can be effectively controlled and the noise of the air conditioner will not exceed an original target value on the basis that the actual air supply quantity is increased. On the basis, the invention further provides a rotation speed control device, adopting the method, of the air supply motor of the air conditioner.
Description
Technical field
The present invention relates to air-conditioner control technology field, be specifically related to a kind of method for controlling number of revolution and device of air-conditioner air supply motor.
Background technology
Air-conditioner air supply motor is for providing certain air output as required, and its rotation speed change directly affects actual air output.In prior art, the different gears such as high, medium and low grade that general air-conditioner is set according to remote controller are adjusted corresponding indoor air supply motor rotating speed, and when gear one timing, air supply motor rotating speed is also certain.
Yet, during practical application, often need to regulate wind-guiding direction, that is, the air ducting of putting the formations such as leaf by the pendulum leaf of wind-guiding up and down and the left and right wind-guiding of indoor set is adjusted, to meet corresponding user demand.Obviously, when the operating position of air ducting changes, not only have influence on the flow direction of air-supply, simultaneously formed to go out wind resistance not identical yet, that is to say, when air ducting is during at diverse location, under the corresponding air supply motor rotating speed of identical gear, the actual air output of air-conditioner is different.Thus, make under identical air supply motor rotating speed, air quantity, noise differ larger.Particularly, air ducting is larger on air quantity impact at indivedual extreme positions, causes actual air volume to decline to a great extent, for example, extreme position air-supply in lower left under high tap position, its actual air volume is far below the direct sending air quantity of high tap position, and then directly impact refrigeration or heating effect, cause energy consumption to raise.
In view of this, urgently look for another way and control and be optimized design for the rotating speed of air-conditioner air supply motor, effectively to control the operating position of air ducting, change the impact for the actual air output of air-conditioner, for reducing complete machine energy consumption, provide reliable guarantee.
Summary of the invention
For above-mentioned defect, the technical problem that the present invention solves is to provide a kind of method for controlling number of revolution of air-conditioner air supply motor, and the operating position that can greatly reduce air ducting by optimal design changes the impact for the actual air output of air-conditioner.On this basis, the present invention also provides a kind of revolution speed control device of applying the air-conditioner air supply motor of the method.
The method for controlling number of revolution of air-conditioner air supply motor provided by the invention, this control method comprises the steps: to pre-determine the relation between the operating position of air ducting of described air-conditioner and target air output, actual air output; Obtain the work at present position of described air ducting; According to described work at present position and described relation, regulate the rotating speed of described air supply motor, to regulate target air output described in described actual air output convergence.
Preferably, described target air output and the corresponding setting of the basic rotating speed of air supply motor under corresponding gear, carry out rotating speed compensation according to described work at present position and described basic rotating speed corresponding to described target air output, to regulate the rotating speed of described air supply motor.
Preferably, the groundwork position corresponding with described target air output, described rotating speed offset is specially the product of described basic rotating speed and first direction rotating speed penalty coefficient and/or second direction rotating speed penalty coefficient; Wherein, along the first direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described first direction rotating speed penalty coefficient in two operating positions adjacent with first direction is configured to 4%～18%; Along the second direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described second direction rotating speed penalty coefficient in two operating positions adjacent with second direction is configured to 4%～18%.
Preferably, the maximum of described rotating speed compensation is that described actual air output reaches described target air output.
Preferably, described rotating speed compensation is also determined according to default level of noise, to control operating noise.
The revolution speed control device of air-conditioner air supply motor provided by the invention, this control device comprises: memory cell, acquiring unit and control module; Wherein, described memory cell is for the relation table between the operating position of the air ducting of default described air-conditioner and target air output, actual air output; The work at present position of described acquiring unit for obtaining described air ducting; Described control module is for according to relation table described in described work at present location lookup, and exports the rotating speed that control signal regulates described air supply motor, to regulate target air output described in described actual air output convergence.
Preferably, in described relation table, also comprise and the operating position of described air ducting, described target air output and the corresponding rotating speed offset of described actual air output, described rotating speed offset is determined according to the required basic rotating speed of air supply motor of described target air output under corresponding gear; Described control module comprises searches subelement, computation subunit and output subelement; Wherein, described in search subelement for according to relation table described in described work at present location lookup, obtain described rotating speed offset; Described computation subunit, for according to described basic rotating speed and described rotating speed offset, obtains described control signal; Described in being used for exporting, described output subelement controls signal to described air supply motor, to regulate the rotating speed of described air supply motor.
Preferably, the groundwork position corresponding with described target air output, described rotating speed offset is specially the product of described basic rotating speed and first direction rotating speed penalty coefficient and/or second direction rotating speed penalty coefficient; Wherein, along the first direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described first direction rotating speed penalty coefficient in two operating positions adjacent with first direction is configured to 4%～18%; Along the second direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described second direction rotating speed penalty coefficient in two operating positions adjacent with second direction is configured to 4%～18%.
Preferably, the maximum of described rotating speed compensation is that described actual air output reaches described target air output.
Preferably, described rotating speed compensation is also determined according to default level of noise, to control operating noise.
Preferably, the duty of the drive motors of described acquiring unit based on user's operational order or described air ducting, the work at present position that obtains described air ducting.
Preferably, described acquiring unit is position sensor.
Compared with prior art, this programme is set up the incidence relation of air supply motor rotating speed and air ducting operating position, particularly, pre-determines the relation between the operating position of air ducting of air-conditioner and target air output, actual air output; Obtain and according to the rotating speed of work at present position and institute predetermined relation adjusting air supply motor, regulate actual air output convergence target air output.So arrange, when air-conditioner air direction changes, can guarantee to greatest extent that the target air output of the actual air quantity of sending of air-conditioner and user's request reaches unanimity; That is to say, user is adjusted into arbitrary position by air ducting, all can be by regulating the rotating speed of air supply motor to make actual air output convergence target air output, thereby can avoid declining to a great extent of air output under the larger operating position of windage, can effectively control refrigeration or heating effect, reduce to greatest extent energy consumption.
In preferred version of the present invention, in predetermined described relation table, also comprise and the corresponding rotating speed offset of operating position, target air output and actual air output of air ducting, this rotating speed offset is determined according to the required basic rotating speed of air supply motor of target air output under corresponding gear; Simultaneously, issuable operating noise is also considered in determining of this rotating speed compensation, and then also according to default level of noise, determine, to promote on the basis of actual air output, effectively control operating noise, the noise that guarantees air-conditioner is no more than original desired value, can further obtain good user and experience.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the method for controlling number of revolution flow process of the air supply motor of air-conditioner described in the specific embodiment;
Fig. 2 is the principle schematic diagram of the method for controlling number of revolution of the air supply motor of air-conditioner described in the specific embodiment;
Fig. 3 is the block diagram of the revolution speed control device of air-conditioner air supply motor described in the specific embodiment.
In figure:
Memory cell 10, acquiring unit 20, control module 30, search subelement 31, computation subunit 32, output subelement 33, air supply motor 40.
The specific embodiment
Core of the present invention is to provide a kind of method for controlling number of revolution of air-conditioner air supply motor, to overcome the problem of the actual air output of existing its air ducting operating position variable effect.Below in conjunction with Figure of description, illustrate present embodiment.
The basic configuration of existing air-conditioner air ducting comprises upper and lower wind-guiding pendulum leaf and left and right wind-guiding pendulum leaf, in order to reach human body best perception, needs to adjust air-conditioner air ducting according to user instruction, to save air supply direction in use procedure.Wherein, upper and lower wind-guiding pendulum leaf can form the variation of first direction operating position, and then changes air supply direction along first direction; Left and right wind-guiding pendulum leaf can form the variation of second direction operating position, and then changes air supply direction along second direction; Should be appreciated that in this programme, above-below direction is that first direction, left and right directions are second direction, without loss of generality, the use of the nouns of locality such as upper and lower in the present embodiment, left and right does not form the restriction for first direction and second direction.
In the course of work, what when the operating position of air ducting changes, form goes out wind resistance, directly affects air output.Concrete air quantity variation relation, as shown in table 1 below:
Air quantity changes
In this enforcement, horizontal pendulum leaf has A, B, C, D, five positions of E, and air quantity is 80%, 90%, 100%, 90%, 80%, and vertical pendulum leaf has 1,2,3,4,5 five position, and air quantity is 80%, 90%, 100%, 90%, 80%.It is groundwork position that this table be take the C3 position of air quantity maximum, and in theory, the actual air output of this C3 position is the target air output under corresponding gear, and carries out successively the Wind Coverage Calculation of adjacent operating position with this.
It should be noted that, (first direction) and left and right directions (second direction) along the vertical direction, the air quantity of two adjacent operating positions changes and is not limited to shown in table 1: on the basis of C3 Place object air output, be successively 10% ratio gradient and change.According to the designing requirement of different type of machines, the variation of the air quantity of two adjacent operating positions can be 3%～15% successively.Certainly, existing air ducting also can only have upper and lower wind-guiding pendulum leaf or left and right wind-guiding pendulum leaf, and the specific implementation of air ducting not this Applicant's Abstract graph inventive point place, therefore repeat no more herein.
Refer to Fig. 1, this figure is the schematic diagram of the method for controlling number of revolution flow process of air-conditioner air supply motor described in present embodiment.
The method for controlling number of revolution of this air-conditioner air supply motor has been set up the incidence relation of air supply motor rotating speed and air ducting operating position, and the operating position here refers to the attitude keeping under the final setting state of upper and lower wind-guiding pendulum leaf and/or left and right wind-guiding pendulum leaf.This control method specifically comprises the steps:
S1. pre-determine the relation between the operating position of air ducting of described air-conditioner and target air output, actual air output; Obviously, determining of above-mentioned relation can be set calculating or limited number of time experiment acquisition according to the concrete configuration of different type of machines and gear.
S2. obtain the work at present position of described air ducting; Work at present position can adopt different means to obtain, and for example, can pass through the drive motors duty of air ducting, or can directly gather by sensor.
S3. according to described work at present position and described relation, regulate the rotating speed of described air supply motor, to regulate target air output described in described actual air output convergence; When air-conditioner air direction changes, can guarantee to greatest extent that the target air output of the actual air quantity of sending of air-conditioner and user's request reaches unanimity.
Conventionally, air-conditioner all has different gears, so that user adjusts air output as required.Described " target air output " and the corresponding setting of the basic rotating speed of air supply motor under corresponding gear herein.For example, most of air-conditioners are set high, medium and low three gears, and user presses the corresponding button on remote controller can control air supply motor under different basic rotating speeds, and the corresponding basic rotating speed of different gears and target air output are all not identical.
Shown in associative list 1, the rotation speed change under corresponding gear and table 1 apoplexy amount variation relation, as shown in table 2 below:
Rotation speed change--approach in theory the quantitative change of table 1 apoplexy
So regulate, when air-conditioner air direction changes, all can be by regulating the rotating speed of air supply motor to make actual air output convergence target air output, thereby can avoid declining to a great extent of air output under the larger operating position of windage, can guarantee to greatest extent that the target air output of the actual air quantity of sending of air-conditioner and user's request reaches unanimity.
Particularly, can carry out rotating speed compensation according to described work at present position and described basic rotating speed corresponding to described target air output, to carry out the adjusting of air supply motor rotating speed.Wherein, the maximum of this rotating speed compensation is that actual air output reaches target air output.In fact, this rotating speed offset is specially the product of described basic rotating speed and first direction rotating speed penalty coefficient and/or second direction rotating speed penalty coefficient, is roughly linear ratio relation; That is to say, when the wind-guiding up and down of air ducting is put leaf and the equal change in location of left and right wind-guiding pendulum leaf, in showing, under the operating position of non-C row and non-the 3rd row, rotating speed offset is the product of basic rotating speed and first direction rotating speed penalty coefficient and second direction rotating speed penalty coefficient; When only having the pendulum of the wind-guiding up and down leaf change in location of air ducting, in showing, under the operating position of the 3rd row, rotating speed offset is the product of basic rotating speed and first direction rotating speed penalty coefficient; When only having the left and right wind-guiding of air ducting to put leaf change in location, under the operating position that in table, C is listed as, rotating speed offset is the product of basic rotating speed and second direction rotating speed penalty coefficient.
It should be noted that equally, (first direction) and left and right directions (second direction) along the vertical direction, adjacent two operating position corresponding first direction rotating speed penalty coefficients and second direction rotating speed bucking-out system are not limited to shown in table 1, according to the designing requirement of different type of machines, the rotating speed penalty coefficient of two adjacent operating positions can be configured to 4%～18% successively.
In actual air-supply process, at guider, during in maximal work position, formed fan resistance is relatively large, and rotating speed offset is now also relatively large; In theory, put the restriction of the structure self-conditions such as leaf, when the flow that higher air supply motor rotating speed compensation provides reaches a certain amount of, will be formed certain operating noise.Design and use standard based on air conditioner, under different gears, all there is corresponding noise restriction, therefore can preset level of noise, can further optimize rotating speed compensation is really tailor-made on this basis,, this rotating speed compensation is also determined according to default level of noise, so that control operating noise, make thus, the air-conditioner of application this programme is not to select to move simply single wind speed according to user, but select after wind-speed gear user, take corresponding air quantity and noise as target, reduce as far as possible air ducting impact on air quantity and noise at diverse location.Specifically please also refer to Fig. 2, the principle schematic diagram that this figure is control method of the present invention.
The air-conditioner with high, medium and low three gears of take briefly explains as example.And supposition, the basic rotating speed of middle-grade corresponding air supply motor is that 1000r/min, target air output are that 10L/min, level of noise are 35dB (A).
When user selects middle-grade wind speed, air supply direction to be lower left, during basic rotating speed 1000r/min, actual air output is 8L/min; According to the duty of the air ducting drive motors of lower-left air supply direction or sensor, directly gather the work at present position obtaining, according to predetermined relation, determine rotating speed offset 200r/min, the rotating speed of air supply motor should be adjusted into 1200r/min, under perfect condition, actual air output can be adjusted to 10L/min, actual air output reaches target air output, and rotating speed is compensated for as maximum.Yet, when rotating speed is 1200r/min, operating noise reaches 37dB (A), the impact of experiencing for user in order further to take into account noise, under this operating mode, can be 120r/min by rotating speed compensation making, correspondingly, the adjustment of rotational speed of air supply motor is 1120r/min, and operating noise is 35dB (A).Promoting on the basis of actual air output, reduce operating noise, guarantee that the air quantity noise of air-conditioner is consistent.
Except aforementioned control method, the present invention also provides a kind of revolution speed control device of air-conditioner air supply motor on this basis, please also refer to Fig. 3, and the block diagram that this figure is this control device.
This control device comprises memory cell 10, acquiring unit 20 and control module 30.Wherein, memory cell 10 is for the relation table between the operating position of default air-conditioner air ducting and target air output, actual air output; Acquiring unit 20 is for obtaining the work at present position of described air ducting; Control module 30 is for according to relation table described in described work at present location lookup, and exports the rotating speed that control signal regulates described air supply motor 40, to regulate target air output described in described actual air output convergence.The operational order that acquiring unit 20 wherein can be exported by remote controller by drive motors duty or the user of air ducting obtains.
Wherein, in described relation table, also comprise and the operating position of described air ducting, described target air output and the corresponding rotating speed offset of described actual air output, described rotating speed offset is determined according to the required basic rotating speed of air supply motor of described target air output under corresponding gear.
Particularly, control module 30 comprises and searches subelement 31, computation subunit 32 and output subelement 33; Search subelement 31 for according to relation table described in work at present location lookup, obtain described rotating speed offset; Computation subunit 32, for according to described basic rotating speed and described rotating speed offset, obtains described control signal; Output subelement 33 controls signal to described air supply motor described in exporting, to regulate the rotating speed of air supply motor.Similarly, rotating speed compensation is also determined according to default level of noise, to control operating noise.
Special instruction, aforementioned acquiring unit 20 also can be put the sensor of leaf operating position for the employing that Independent is put.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. a method for controlling number of revolution for air-conditioner air supply motor, is characterized in that, this control method comprises the steps:
Pre-determine the relation between the operating position of air ducting of described air-conditioner and target air output, actual air output;
Obtain the work at present position of described air ducting;
According to described work at present position and described relation, regulate the rotating speed of described air supply motor, to regulate target air output described in described actual air output convergence.
2. the method for controlling number of revolution of air-conditioner air supply motor according to claim 1, it is characterized in that, described target air output and the corresponding setting of the basic rotating speed of air supply motor under corresponding gear, according to described work at present position and described basic rotating speed corresponding to described target air output, carry out rotating speed compensation, to regulate the rotating speed of described air supply motor.
3. the method for controlling number of revolution of air-conditioner air supply motor according to claim 2, it is characterized in that, the groundwork position corresponding with described target air output, described rotating speed offset is specially the product of described basic rotating speed and first direction rotating speed penalty coefficient and/or second direction rotating speed penalty coefficient; Wherein,
Along the first direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described first direction rotating speed penalty coefficient in two operating positions adjacent with first direction is configured to 4%～18%;
Along the second direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described second direction rotating speed penalty coefficient in two operating positions adjacent with second direction is configured to 4%～18%.
4. according to the method for controlling number of revolution of the air-conditioner air supply motor described in claim 2 or 3, it is characterized in that, the maximum of described rotating speed compensation is that described actual air output reaches described target air output.
5. the method for controlling number of revolution of air-conditioner air supply motor according to claim 4, is characterized in that, described rotating speed compensation is also determined according to default level of noise, to control operating noise.
6. a revolution speed control device for air-conditioner air supply motor, is characterized in that, this control device comprises:
Memory cell, for the relation table between the operating position of the air ducting of default described air-conditioner and target air output, actual air output;
Acquiring unit, for obtaining the work at present position of described air ducting;
Control module, for according to relation table described in described work at present location lookup, and exports the rotating speed that control signal regulates described air supply motor, to regulate target air output described in described actual air output convergence.
7. the revolution speed control device of air-conditioner air supply motor according to claim 6, it is characterized in that, in described relation table, also comprise and the operating position of described air ducting, described target air output and the corresponding rotating speed offset of described actual air output, described rotating speed offset is determined according to the required basic rotating speed of air supply motor of described target air output under corresponding gear; Described control module comprises:
Search subelement, for according to relation table described in described work at present location lookup, obtain described rotating speed offset;
Computation subunit, for according to described basic rotating speed and described rotating speed offset, obtains described control signal;
Output subelement controls signal to described air supply motor, to regulate the rotating speed of described air supply motor described in exporting.
8. the revolution speed control device of air-conditioner air supply motor according to claim 7, it is characterized in that, the groundwork position corresponding with described target air output, described rotating speed offset is specially the product of described basic rotating speed and first direction rotating speed penalty coefficient and/or second direction rotating speed penalty coefficient; Wherein,
Along the first direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described first direction rotating speed penalty coefficient in two operating positions adjacent with first direction is configured to 4%～18%;
Along the second direction successively air quantity of two adjacent operating positions, be changed to 3%～15%, the corresponding described second direction rotating speed penalty coefficient in two operating positions adjacent with second direction is configured to 4%～18%.
9. according to the revolution speed control device of the air-conditioner air supply motor described in claim 7 or 8, it is characterized in that, the maximum of described rotating speed compensation is that described actual air output reaches described target air output.
10. the revolution speed control device of air-conditioner air supply motor according to claim 9, is characterized in that, described rotating speed compensation is also determined according to default level of noise, to control operating noise.
The revolution speed control device of 11. air-conditioner air supply motors according to claim 6, is characterized in that, the duty of the drive motors of described acquiring unit based on user's operational order or described air ducting, the work at present position that obtains described air ducting.
The revolution speed control device of 12. air-conditioner air supply motors according to claim 6, is characterized in that, described acquiring unit is position sensor.
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| WO2023045318A1 (en) * | 2021-09-27 | 2023-03-30 | 广州华凌制冷设备有限公司 | Air conditioner, control method therefor, and computer-readable storage medium |
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Application publication date: 20141119 |