CN104314796A - Compressor frequency controlling method, compressor frequency controlling device and air conditioner - Google Patents
Compressor frequency controlling method, compressor frequency controlling device and air conditioner Download PDFInfo
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- CN104314796A CN104314796A CN201410563073.1A CN201410563073A CN104314796A CN 104314796 A CN104314796 A CN 104314796A CN 201410563073 A CN201410563073 A CN 201410563073A CN 104314796 A CN104314796 A CN 104314796A
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Abstract
The invention provides a compressor frequency controlling method, a compressor frequency controlling device and an air conditioner. The compressor frequency controlling method comprises the following steps of detecting the revolving speed of an indoor fan of the air conditioner; and determining a running frequency range of a compressor according to the running revolving speed range of the revolving speed of the indoor fan. By the technical scheme, the running frequency range of an outdoor compressor is determined according to the different running revolving speed ranges of the revolving speed of the indoor fan, a circumstance that the outdoor compressor can run in various running frequencies when the indoor fan is in different running revolving speed ranges can be avoided, the running revolving speed range of the indoor fan is reasonably associated with the running frequency range of the outdoor compressor, and the purposes of effectively improving the running reliability and the using comfort level of the air conditioner and improving the user experience are achieved.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to control gear and a kind of air conditioner of a kind of controlling method of compressor frequency, a kind of compressor frequency.
Background technique
The split type frequency converting air conditioner of current routine, indoor fan and outdoor compressor do not link mutually when air-conditioning system is run, namely indoor fan rotating speed and outdoor compressor operation frequency do not set up good incidence relation, easily cause the problem that some are unnecessary, affect air-conditioning and normally run.Be embodied in: indoor fan rotating speed is divided into high, medium and low third gear, outdoor compressor frequency divides F1-F25 totally 25 grades, and no matter which kind of speed conditions indoor fan is in, and outdoor compressor frequency range is all the set of whole 25 shelves frequencies.Following problem is easily caused: in (1), machine easily occurs condensation problem when the low wind speed of indoor fan runs and compressor is in high frequency state; (2) easily there is the various protection such as pressure, electric current in whole air-conditioning system, causes high frequent to shut down, the travelling comfort that impact uses.When compressor is in low frequency state when indoor fan is in high wind speed operation, easily cause the accidents such as compressor liquid hammer.Visible, when indoor fan and compressor are in the running state of unreasonable coupling, easily cause air-conditioning system to run some abnormal and relevant unnecessary protections.
Therefore, how to realize reasonable association of indoor fan speed range and outdoor compressor operation frequency scope, avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, becomes problem demanding prompt solution.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art or correlation technique.
For this reason, one object of the present invention is the controlling method proposing a kind of compressor frequency.
Another object of the present invention is the control gear proposing a kind of compressor frequency.
Another object of the present invention is to propose a kind of air conditioner.
For achieving the above object, embodiment according to a first aspect of the invention, proposes a kind of controlling method of compressor frequency, comprising: the rotating speed detecting the indoor fan of air conditioner; The operation frequency scope of described compressor is determined according to the running speed scope at the rotating speed place of described indoor fan.
The controlling method of compressor frequency according to an embodiment of the invention, by the different running speed scopes at the rotating speed place according to indoor fan (as low wind, apoplexy, high wind) determine the operation frequency scope of outdoor compressor, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
According to one embodiment of present invention, the controlling method of described compressor frequency, also comprises: according to the memory command received, and the running speed scope of described indoor fan and the operation frequency scope of described compressor are carried out corresponding stored.
The controlling method of compressor frequency according to an embodiment of the invention, by the running speed scope of indoor fan and the operation frequency scope of compressor are carried out corresponding stored, for the operation frequency scope of the running speed scope determination compressor at the rotating speed place according to indoor fan provides control foundation, which ensure that the accuracy of the operation frequency scope determining compressor according to indoor fan speed range.
According to one embodiment of present invention, detect the room temperature of air conditioner, the rotating speed controlling described indoor fan according to described room temperature and the temperature difference of default room temperature is positioned at different running speed scopes, and the frequency of compressor is positioned at the described operation frequency scope corresponding to described running speed scope according to the described temperature difference and described running speed scope control.
The controlling method of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
According to one embodiment of present invention, when the described temperature difference is less than or equal to the first temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the first running speed scope and the frequency controlling described compressor is positioned at the first operation frequency scope; When the described temperature difference is greater than described first temperature difference threshold value and is less than or equal to the second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the second running speed scope and the frequency controlling described compressor is positioned at the second operation frequency scope; When the described temperature difference is greater than described second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the 3rd running speed scope and the frequency controlling described compressor is positioned at the 3rd operation frequency scope.
The controlling method of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
Such as, when the temperature difference (Δ T) is less than or equal to the first temperature difference threshold value (as: 1 DEG C), the rotating speed of control room inner blower is positioned at the first running speed scope (as: control room inner blower speed range is low wind), and the frequency controlling compressor is positioned at the first operation frequency scope, and (as: the operation frequency scope controlling compressor is F
1to F
i) in; When the temperature difference (Δ T) be greater than the first temperature difference threshold value (as: 1 DEG C) be less than or equal to the second temperature difference threshold value (as: 4 DEG C) time, the rotating speed of control room inner blower is positioned at the second running speed scope (as: control room inner blower speed range is apoplexy), and the frequency controlling compressor is positioned at the second operation frequency scope, and (as: the operation frequency scope controlling compressor is F
jto F
j+n) in; When the temperature difference (Δ T) is greater than the second temperature difference threshold value (as: 4 DEG C), the rotating speed of control room inner blower is positioned at the 3rd running speed scope (as: control room inner blower speed range is high wind), and the frequency controlling compressor is positioned at the 3rd operation frequency scope, and (as: the operation frequency scope controlling compressor is F
kto F
25) in.
According to one embodiment of present invention, the controlling method of described compressor frequency, also comprise: when described rotating speed is positioned at described first running speed scope, described second running speed scope or described 3rd running speed scope, if the described temperature difference increases, then increase the frequency of described compressor.
The controlling method of compressor frequency according to an embodiment of the invention, on the basis that indoor fan rotating speed is determined, no matter the rotating speed of indoor fan is positioned at the first running speed scope, within the scope of described second running speed or within the scope of described 3rd running speed, when this temperature difference increases, compressor frequency all can increase accordingly, and still remain within the scope of the operation frequency of the compressor corresponding with running speed scope while increase, so not only can when room temperature raises, room temperature is reduced fast by increasing compressor frequency, experience with the comfort level promoting user, simultaneously, also the reasonable of operation frequency scope being conducive to the running speed scope and outdoor compressor realizing indoor fan associates.
Embodiment according to a second aspect of the invention, proposes a kind of control gear of compressor frequency, comprising: detection unit, detects the rotating speed of the indoor fan of air conditioner; Control unit, determines the operation frequency scope of the frequency of described compressor according to the running speed scope at the rotating speed place of described indoor fan.
The control gear of compressor frequency according to an embodiment of the invention, by the different running speed scopes at the rotating speed place according to indoor fan (as low wind, apoplexy, high wind) determine the operation frequency scope of outdoor compressor, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
According to one embodiment of present invention, the control gear of described compressor frequency, also comprises: storage unit, according to the memory command received, the running speed scope of described indoor fan and the operation frequency scope of described compressor is carried out corresponding stored.
The control gear of compressor frequency according to an embodiment of the invention, by the running speed scope of indoor fan and the operation frequency scope of compressor are carried out corresponding stored, for the operation frequency scope of the running speed scope determination compressor at the rotating speed place according to indoor fan provides control foundation, which ensure that the accuracy of the operation frequency scope determining compressor according to indoor fan speed range.
According to one embodiment of present invention, described detection unit also for: detect the room temperature of air conditioner, described control unit concrete also for: the rotating speed controlling described indoor fan according to described room temperature and the temperature difference of default room temperature is positioned at different running speed scopes, and the frequency of compressor is positioned at the described operation frequency scope corresponding to described running speed scope according to the described temperature difference and described running speed scope control.
The control gear of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
According to one embodiment of present invention, described control unit concrete also for: when the described temperature difference is less than or equal to the first temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the first running speed scope and the frequency controlling described compressor is positioned at the first operation frequency scope; When the described temperature difference is greater than described first temperature difference threshold value and is less than or equal to the second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the second running speed scope and the frequency controlling described compressor is positioned at the second operation frequency scope; When the described temperature difference is greater than described second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the 3rd running speed scope and the frequency controlling described compressor is positioned at the 3rd operation frequency scope.
The control gear of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
Such as, when the temperature difference (Δ T) is less than or equal to the first temperature difference threshold value (as: 1 DEG C), the rotating speed of control room inner blower is positioned at the first running speed scope (as: control room inner blower speed range is low wind), and the frequency controlling compressor is positioned at the first operation frequency scope, and (as: the operation frequency scope controlling compressor is F
1to F
i) in; When the temperature difference (Δ T) be greater than the first temperature difference threshold value (as: 1 DEG C) be less than or equal to the second temperature difference threshold value (as: 4 DEG C) time, the rotating speed of control room inner blower is positioned at the second running speed scope (as: control room inner blower speed range is apoplexy), and the frequency controlling compressor is positioned at the second operation frequency scope, and (as: the operation frequency scope controlling compressor is F
jto F
j+n) in; When the temperature difference (Δ T) is greater than the second temperature difference threshold value (as: 4 DEG C), the rotating speed of control room inner blower is positioned at the 3rd running speed scope (as: control room inner blower speed range is high wind), and the frequency controlling compressor is positioned at the 3rd operation frequency scope, and (as: the operation frequency scope controlling compressor is F
kto F
25) in.
According to one embodiment of present invention, the control gear of described compressor frequency, also comprise: frequency processing unit, when described rotating speed is positioned at described first running speed scope, described second running speed scope or described 3rd running speed scope, if the described temperature difference increases, then increase the frequency of described compressor.
The control gear of compressor frequency according to an embodiment of the invention, on the basis that indoor fan rotating speed is determined, no matter the rotating speed of indoor fan is positioned at the first running speed scope, within the scope of described second running speed or within the scope of described 3rd running speed, when this temperature difference increases, compressor frequency all can increase accordingly, and still remain within the scope of the operation frequency of the compressor corresponding with running speed scope while increase, so not only can when room temperature raises, room temperature is reduced fast by increasing compressor frequency, experience with the comfort level promoting user, simultaneously, also the reasonable of operation frequency scope being conducive to the running speed scope and outdoor compressor realizing indoor fan associates.
Embodiment according to a third aspect of the invention we, proposes a kind of air conditioner, comprises the control gear of the compressor frequency according to any one of technique scheme.
Air conditioner according to an embodiment of the invention, by the different running speed scopes at the rotating speed place according to indoor fan (as low wind, apoplexy, high wind) determine the operation frequency scope of outdoor compressor, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
By technological scheme of the present invention, according to the operation frequency scope of the different running speed scope determination outdoor compressors at the rotating speed place of indoor fan, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the schematic flow sheet of the controlling method of compressor frequency according to an embodiment of the invention;
Fig. 2 shows the incidence relation schematic diagram of indoor fan rotating speed according to an embodiment of the invention and compressor frequency;
Fig. 3 shows the schematic flow sheet of the controlling method of compressor frequency according to another embodiment of the invention;
Fig. 4 shows the structural representation of the control gear of compressor frequency according to an embodiment of the invention;
Fig. 5 shows the structural representation of air conditioner according to an embodiment of the invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the schematic flow sheet of the controlling method of compressor frequency according to an embodiment of the invention.
As shown in Figure 1, the controlling method of compressor frequency according to an embodiment of the invention, comprising: step 102, detects the rotating speed of the indoor fan of air conditioner; Step 104, determines the operation frequency scope of described compressor according to the running speed scope at the rotating speed place of described indoor fan.
The controlling method of compressor frequency according to an embodiment of the invention, by the different running speed scopes at the rotating speed place according to indoor fan (as low wind, apoplexy, high wind) determine the operation frequency scope of outdoor compressor, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
According to one embodiment of present invention, the controlling method of described compressor frequency, also comprises: according to the memory command received, and the running speed scope of described indoor fan and the operation frequency scope of described compressor are carried out corresponding stored.
The controlling method of compressor frequency according to an embodiment of the invention, by the running speed scope of indoor fan and the operation frequency scope of compressor are carried out corresponding stored, for the operation frequency scope of the running speed scope determination compressor at the rotating speed place according to indoor fan provides control foundation, which ensure that the accuracy of the operation frequency scope determining compressor according to indoor fan speed range.
According to one embodiment of present invention, detect the room temperature of air conditioner, the rotating speed controlling described indoor fan according to described room temperature and the temperature difference of default room temperature is positioned at different running speed scopes, and the frequency of compressor is positioned at the described operation frequency scope corresponding to described running speed scope according to the described temperature difference and described running speed scope control.
The controlling method of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
According to one embodiment of present invention, when the described temperature difference is less than or equal to the first temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the first running speed scope and the frequency controlling described compressor is positioned at the first operation frequency scope; When the described temperature difference is greater than described first temperature difference threshold value and is less than or equal to the second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the second running speed scope and the frequency controlling described compressor is positioned at the second operation frequency scope; When the described temperature difference is greater than described second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the 3rd running speed scope and the frequency controlling described compressor is positioned at the 3rd operation frequency scope.
The controlling method of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
Such as, when the temperature difference (Δ T) is less than or equal to the first temperature difference threshold value (as: 1 DEG C), the rotating speed of control room inner blower is positioned at the first running speed scope (as: control room inner blower speed range is low wind), and the frequency controlling compressor is positioned at the first operation frequency scope, and (as: the operation frequency scope controlling compressor is F
1to F
i) in; When the temperature difference (Δ T) be greater than the first temperature difference threshold value (as: 1 DEG C) be less than or equal to the second temperature difference threshold value (as: 4 DEG C) time, the rotating speed of control room inner blower is positioned at the second running speed scope (as: control room inner blower speed range is apoplexy), and the frequency controlling compressor is positioned at the second operation frequency scope, and (as: the operation frequency scope controlling compressor is F
jto F
j+n) in; When the temperature difference (Δ T) is greater than the second temperature difference threshold value (as: 4 DEG C), the rotating speed of control room inner blower is positioned at the 3rd running speed scope (as: control room inner blower speed range is high wind), and the frequency controlling compressor is positioned at the 3rd operation frequency scope, and (as: the operation frequency scope controlling compressor is F
kto F
25) in.
According to one embodiment of present invention, the controlling method of described compressor frequency, also comprise: when described rotating speed is positioned at described first running speed scope, described second running speed scope or described 3rd running speed scope, if the described temperature difference increases, then increase the frequency of described compressor.
The controlling method of compressor frequency according to an embodiment of the invention, on the basis that indoor fan rotating speed is determined, no matter the rotating speed of indoor fan is positioned at the first running speed scope, within the scope of described second running speed or within the scope of described 3rd running speed, when this temperature difference increases, compressor frequency all can increase accordingly, and still remain within the scope of the operation frequency of the compressor corresponding with running speed scope while increase, so not only can when room temperature raises, room temperature is reduced fast by increasing compressor frequency, experience with the comfort level promoting user, simultaneously, also the reasonable of operation frequency scope being conducive to the running speed scope and outdoor compressor realizing indoor fan associates.
Fig. 2 shows the incidence relation schematic diagram of indoor fan rotating speed according to an embodiment of the invention and compressor frequency.
As shown in Figure 2, suppose that the running speed scope of air conditioner chamber's inner blower is divided into low wind running speed scope (the first running speed scope), apoplexy running speed scope (the second running speed scope), high wind running speed scope (the 3rd running speed scope) third gear, the operation frequency of outdoor compressor divides F
1to F
25totally 25 grades, F
i, F
j, F
j+n, F
kfor between F
1to F
25between frequency values, then the corresponding relation of the running speed scope of indoor fan and the operation frequency scope of compressor is: low wind running speed scope (the first operation frequency scope), and the operation frequency scope of corresponding compressor is F
1to F
i; Apoplexy running speed scope (the second operation frequency scope), the operation frequency scope of corresponding compressor is F
jto F
j+n; High wind running speed scope (the 3rd operation frequency scope), the operation frequency scope of corresponding compressor is F
kto F
25.
Fig. 3 shows the schematic flow sheet of the controlling method of compressor frequency according to another embodiment of the invention.
As shown in Figure 3, the controlling method of compressor frequency according to another embodiment of the invention (supposes that the temperature difference of room temperature and default room temperature is Δ T, first temperature difference threshold value is 1 DEG C, second temperature difference threshold value is 4 DEG C, the corresponding relation of the running speed scope of air conditioner chamber's inner blower and the operation frequency scope of compressor and F
i, F
j, F
j+n, F
kimplication all same as shown in Figure 2), comprising:
(1) when Δ T≤1 DEG C, the rotating speed of control room inner blower is positioned at low wind speed range (the first running speed scope), and the frequency controlling compressor is positioned at F
1to F
iin (the first operation frequency scope); And when Δ T increases, correspondingly increase the frequency of compressor, as temperature difference T=-1.5 DEG C, compressor is with F
1frequency is run, and during Δ T=-1 DEG C, compressor is with F
2frequency is run, and later Δ T often improves one grade of then corresponding raising of compressor operating frequency one grade, and as △ T=1 DEG C, compressor is with F
ifrequency is run.
(2) when 1 DEG C of < Δ T≤4 DEG C, the rotating speed of control room inner blower is positioned at apoplexy speed range (the second running speed scope), and the frequency controlling compressor is positioned at F
jto F
j+nin (the second operation frequency scope); And when Δ T increases, correspondingly increase the frequency of compressor, such as, as the temperature difference 1 DEG C of < Δ T < 1.5 DEG C, compressor is with F
jfrequency is run, and during Δ T=1.5 DEG C, compressor is with F
j+1frequency is run, and later Δ T often improves one grade of then corresponding raising of compressor operating frequency one grade, and as Δ T=4 DEG C, compressor is with F
j+nfrequency is run.
(3) as Δ T > 4 DEG C, the rotating speed of control room inner blower is positioned at high wind speed range (the 3rd running speed scope), and the frequency controlling compressor is positioned at F
kto F
25in (the 3rd operation frequency scope); And when Δ T increases, correspondingly increase the frequency of compressor, such as, as the temperature difference 4 DEG C of < Δ T < 4.5 DEG C, compressor is with F
kfrequency is run, and during Δ T=4.5 DEG C, compressor is with F
k+1frequency is run, and later Δ T often improves one grade of then corresponding raising of compressor operating frequency one grade, and as Δ T=6.5 DEG C, compressor is with F
k+nfrequency is run, and as Δ T > 6.5 DEG C, compressor is with highest frequency F
25run.
Fig. 4 shows the structural representation of the control gear of compressor frequency according to an embodiment of the invention.
As shown in Figure 4, the control gear 400 of compressor frequency according to another embodiment of the invention, comprising: detection unit 402, detects the rotating speed of the indoor fan of air conditioner; Control unit 404, determines the operation frequency scope of the frequency of described compressor according to the running speed scope at the rotating speed place of described indoor fan.
The control gear 400 of compressor frequency according to an embodiment of the invention, by the different running speed scopes at the rotating speed place according to indoor fan (as low wind, apoplexy, high wind) determine the operation frequency scope of outdoor compressor, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
According to one embodiment of present invention, also comprise: storage unit 406, according to the memory command received, the running speed scope of described indoor fan and the operation frequency scope of described compressor are carried out corresponding stored.
The control gear 400 of compressor frequency according to an embodiment of the invention, by the running speed scope of indoor fan and the operation frequency scope of compressor are carried out corresponding stored, for the operation frequency scope of the running speed scope determination compressor at the rotating speed place according to indoor fan provides control foundation, which ensure that the accuracy of the operation frequency scope determining compressor according to indoor fan speed range.
According to one embodiment of present invention, described detection unit 402 also for: detect the room temperature of air conditioner, described control unit 404 concrete also for: the rotating speed controlling described indoor fan according to described room temperature and the temperature difference of default room temperature is positioned at different running speed scopes, and the frequency of compressor is positioned at the described operation frequency scope corresponding to described running speed scope according to the described temperature difference and described running speed scope control.
The control gear 400 of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
According to one embodiment of present invention, described control unit 404 concrete also for: when the described temperature difference is less than or equal to the first temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the first running speed scope and the frequency controlling described compressor is positioned at the first operation frequency scope; When the described temperature difference is greater than described first temperature difference threshold value and is less than or equal to the second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the second running speed scope and the frequency controlling described compressor is positioned at the second operation frequency scope; When the described temperature difference is greater than described second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the 3rd running speed scope and the frequency controlling described compressor is positioned at the 3rd operation frequency scope.
The control gear 400 of compressor frequency according to an embodiment of the invention, first can the running speed scope of the accurate rotating speed of control room inner blower by the temperature difference of room temperature and default room temperature, on the basis determining running speed scope accurately, and then can determine the operation frequency scope of compressor accurately further in conjunction with this running speed scope and the temperature difference, and the reasonable of operation frequency scope of the running speed scope and outdoor compressor that finally realize indoor fan associates.
Such as, when the temperature difference (Δ T) is less than or equal to the first temperature difference threshold value (as: 1 DEG C), the rotating speed of control room inner blower is positioned at the first running speed scope (as: control room inner blower speed range is low wind), and the frequency controlling compressor is positioned at the first operation frequency scope, and (as: the operation frequency scope controlling compressor is F
1to F
i) in; When the temperature difference (Δ T) be greater than the first temperature difference threshold value (as: 1 DEG C) be less than or equal to the second temperature difference threshold value (as: 4 DEG C) time, the rotating speed of control room inner blower is positioned at the second running speed scope (as: control room inner blower speed range is apoplexy), and the frequency controlling compressor is positioned at the second operation frequency scope, and (as: the operation frequency scope controlling compressor is F
jto F
j+n) in; When the temperature difference (Δ T) is greater than the second temperature difference threshold value (as: 4 DEG C), the rotating speed of control room inner blower is positioned at the 3rd running speed scope (as: control room inner blower speed range is high wind), and the frequency controlling compressor is positioned at the 3rd operation frequency scope, and (as: the operation frequency scope controlling compressor is F
kto F
25) in.
According to one embodiment of present invention, the control gear 400 of described compressor frequency, also comprise: frequency processing unit 408, when described rotating speed is positioned at described first running speed scope, described second running speed scope or described 3rd running speed scope, if the described temperature difference increases, then increase the frequency of described compressor.
The control gear 400 of compressor frequency according to an embodiment of the invention, on the basis that indoor fan rotating speed is determined, no matter the rotating speed of indoor fan is positioned at the first running speed scope, within the scope of described second running speed or within the scope of described 3rd running speed, when this temperature difference increases, compressor frequency all can increase accordingly, and still remain within the scope of the operation frequency of the compressor corresponding with running speed scope while increase, so not only can when room temperature raises, room temperature is reduced fast by increasing compressor frequency, experience with the comfort level promoting user, simultaneously, also the reasonable of operation frequency scope being conducive to the running speed scope and outdoor compressor realizing indoor fan associates.
Fig. 5 shows the structural representation of air conditioner according to an embodiment of the invention.
As shown in Figure 5, air conditioner 500 according to an embodiment of the invention, comprises the control gear 400 of the compressor frequency according to any one of technique scheme.
Air conditioner 500 according to an embodiment of the invention, by using the control gear 400 of compressor frequency, according to the different running speed scopes at the rotating speed place of indoor fan (as low wind, apoplexy, high wind) determine the operation frequency scope of outdoor compressor, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
More than be described with reference to the accompanying drawings technological scheme of the present invention, according to the operation frequency scope of the different running speed scope determination outdoor compressors at the rotating speed place of indoor fan, can avoid when indoor fan is in different running speed scope, outdoor compressor all can carry out situation about running with various operation frequency, thus the reasonable of operation frequency scope of the running speed scope and outdoor compressor that realize indoor fan associates, and then reach and effectively promote the reliability of operation of air conditioner and the travelling comfort of use, promote the object of Consumer's Experience.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a controlling method for compressor frequency, is characterized in that, comprising:
Detect the rotating speed of the indoor fan of air conditioner;
The operation frequency scope of described compressor is determined according to the running speed scope at the rotating speed place of described indoor fan.
2. the controlling method of compressor frequency according to claim 1, is characterized in that,
According to the memory command received, the running speed scope of described indoor fan and the operation frequency scope of described compressor are carried out corresponding stored.
3. the controlling method of compressor frequency according to claim 1 and 2, is characterized in that,
Detect the room temperature of air conditioner, the rotating speed controlling described indoor fan according to described room temperature and the temperature difference of default room temperature is positioned at different running speed scopes, and the frequency of compressor is positioned at the described operation frequency scope corresponding to described running speed scope according to the described temperature difference and described running speed scope control.
4. the controlling method of compressor frequency according to claim 3, is characterized in that,
When the described temperature difference is less than or equal to the first temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the first running speed scope and the frequency controlling described compressor is positioned at the first operation frequency scope;
When the described temperature difference is greater than described first temperature difference threshold value and is less than or equal to the second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the second running speed scope and the frequency controlling described compressor is positioned at the second operation frequency scope;
When the described temperature difference is greater than described second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the 3rd running speed scope and the frequency controlling described compressor is positioned at the 3rd operation frequency scope.
5. the controlling method of compressor frequency according to claim 4, is characterized in that, also comprises:
When described rotating speed is positioned at described first running speed scope, described second running speed scope or described 3rd running speed scope, if the described temperature difference increases, then increase the frequency of described compressor.
6. a control gear for compressor frequency, is characterized in that, comprising:
Detection unit, detects the rotating speed of the indoor fan of air conditioner;
Control unit, determines the operation frequency scope of the frequency of described compressor according to the running speed scope at the rotating speed place of described indoor fan.
7. the control gear of compressor frequency according to claim 6, is characterized in that,
Storage unit, according to the memory command received, carries out corresponding stored by the running speed scope of described indoor fan and the operation frequency scope of described compressor.
8. the control gear of the compressor frequency according to claim 6 or 7, is characterized in that,
Described detection unit also for: detect the room temperature of air conditioner,
Described control unit concrete also for: the rotating speed controlling described indoor fan according to described room temperature and the temperature difference of default room temperature is positioned at different running speed scopes, and the frequency of compressor is positioned at the described operation frequency scope corresponding to described running speed scope according to the described temperature difference and described running speed scope control.
9. the control gear of compressor frequency according to claim 8, is characterized in that,
Described control unit concrete also for:
When the described temperature difference is less than or equal to the first temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the first running speed scope and the frequency controlling described compressor is positioned at the first operation frequency scope;
When the described temperature difference is greater than described first temperature difference threshold value and is less than or equal to the second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the second running speed scope and the frequency controlling described compressor is positioned at the second operation frequency scope;
When the described temperature difference is greater than described second temperature difference threshold value, the rotating speed controlling described indoor fan is positioned at the 3rd running speed scope and the frequency controlling described compressor is positioned at the 3rd operation frequency scope.
10. the control gear of compressor frequency according to claim 9, is characterized in that, also comprises:
Frequency processing unit, when described rotating speed is positioned at described first running speed scope, described second running speed scope or described 3rd running speed scope, if the described temperature difference increases, then increases the frequency of described compressor.
11. 1 kinds of air conditioners, is characterized in that, comprising: the control gear of the compressor frequency according to any one of claim 6 to 10.
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