CN103630739B - A kind of power consumption of air conditioner measuring method and system - Google Patents
A kind of power consumption of air conditioner measuring method and system Download PDFInfo
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- CN103630739B CN103630739B CN201210303776.1A CN201210303776A CN103630739B CN 103630739 B CN103630739 B CN 103630739B CN 201210303776 A CN201210303776 A CN 201210303776A CN 103630739 B CN103630739 B CN 103630739B
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Abstract
The present invention is applicable to field of air conditioner electrical parameter measurement, provides a kind of power consumption of air conditioner measuring method and system.In the present invention, by pre-setting one-phase power measurement time interval and timing generates real-time chronometric data, when this chronometric data equals stage power measuring intervals of TIME, obtain off-premises station power and the indoor set power of air conditioner respectively, again in conjunction with chronometric data, off-premises station power and the stage electric quantity data of indoor set power calculation air conditioner in stage power measuring intervals of TIME, finally be updated to air conditioner from the current accumulative electric quantity data moving to current time of starting shooting according to stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space, thus reach and do not needing to carry out measuring accurately in real time to the power consumption of air conditioner under the prerequisite increasing any metering circuit, the method solving existing measurement power consumption of air conditioner cannot the power consumption of Obtaining Accurate air conditioner, and there is the high problem of cost.
Description
Technical field
The invention belongs to field of air conditioner electrical parameter measurement, particularly relate to a kind of power consumption of air conditioner measuring method and system.
Background technology
At present, along with widely using of air conditioner, because the power consumption of air conditioner is larger, the electric cost expenditure causing it to produce occupies very large proportion in user's total electric cost expenditure monthly, therefore, user needs to inquire about its power consumption when using air-condition device, so that the electricity consumed when running according to air conditioner carries out suitable use to air conditioner, thus avoid causing electricity consumption to waste because of excessive using air-condition device, and increase electric cost expenditure.
Need the demand of air conditioner being carried out to power consumption inquiry for above-mentioned user, prior art provides the method that three kinds are measured power consumption of air conditioner.The first is by installing at the power input of air conditioner operating voltage and the working current that voltage detection module and current detection module measure air conditioner respectively, and then the power consumption of air conditioner is measured according to this operating voltage and working current, although this kind of method can reach the object measuring power consumption, air conditioner cost is caused to increase because it needs to increase voltage detection module and current detection module; The second is by calculating its power consumption according to the present mode of operation of air conditioner, but because the opening of the load in air conditioner under different operating mode is different, then actual power consumption amount is also different, therefore cannot according to the power consumption of the load condition Measurement accuracy air conditioner of reality; The third is then that the operating voltage of off-premises station by detecting air conditioner and working current are to calculate the power consumption of whole air conditioner, but the power consumption calculated does not comprise the power consumption of the indoor set of air conditioner, so this kind of measuring method can not obtain the power consumption of air conditioner exactly.Therefore, the method for existing measurement power consumption of air conditioner cannot the power consumption of Obtaining Accurate air conditioner, and there is the high problem of cost.
Summary of the invention
The object of the present invention is to provide a kind of power consumption of air conditioner measuring method, the method being intended to solve existing measurement power consumption of air conditioner cannot the power consumption of Obtaining Accurate air conditioner, and there is the high problem of cost.
The present invention is achieved in that a kind of power consumption of air conditioner measuring method, and described power consumption of air conditioner measuring method comprises the following steps:
A. preset stage power measuring intervals of TIME and start timing;
B. chronometric data is generated in real time;
C. judge whether described chronometric data equals described stage power measuring intervals of TIME, is then perform steps d, no, then return step b;
D. according to operating voltage and the working current acquisition off-premises station power of air-conditioner outdoor unit;
E. indoor set power is obtained according to the duty of load each in indoor apparatus of air conditioner;
F. stage electric quantity data is obtained according to described off-premises station power, described indoor set power and described chronometric data;
G. current accumulative electric quantity data is updated to according to described stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space, and judge that whether air conditioner is in running order, be then jump to step a, no, then terminate power consumption and measure process.
Another object of the present invention is to provide a kind of power consumption of air conditioner measuring system, described power consumption of air conditioner measuring system comprises:
Set of time unit, for default stage power measuring intervals of TIME;
Timing unit, also generates chronometric data in real time for timing;
Time judging unit, for judging whether described chronometric data equals described stage power measuring intervals of TIME;
First jump-transfer unit, for returning described timing unit when the judged result of described time judging unit is no;
Off-premises station power obtaining unit, for obtaining off-premises station power according to the operating voltage of air-conditioner outdoor unit and working current;
Indoor set power obtaining unit, obtains indoor set power for the duty according to load each in indoor apparatus of air conditioner;
Stage electricity acquiring unit, for obtaining stage electric quantity data according to described off-premises station power, described indoor set power and described chronometric data;
Storage unit, for storing accumulative electric quantity data;
Electric quantity data updating block, for being updated to current accumulative electric quantity data according to described stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space;
Duty judging unit, for judging that whether air conditioner is in running order;
Second jump-transfer unit, for jumping to described set of time unit when the judged result of described duty judging unit is for being;
Process end unit, measures process for terminating power consumption when the judged result of described duty judging unit is no.
In the present invention, by pre-setting one-phase power measurement time interval and timing generates real-time chronometric data, when described chronometric data equals described stage power measuring intervals of TIME, obtain the described off-premises station power of air conditioner and described indoor set power respectively, again in conjunction with described chronometric data, described off-premises station power and the stage electric quantity data of described indoor set power calculation air conditioner in described stage power measuring intervals of TIME, finally be updated to air conditioner from the current accumulative electric quantity data moving to current time of starting shooting according to described stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space, thus reach and do not needing to carry out measuring accurately in real time to the power consumption of air conditioner under the prerequisite increasing any metering circuit, the method solving existing measurement power consumption of air conditioner cannot the power consumption of Obtaining Accurate air conditioner, and there is the high problem of cost.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the power consumption of air conditioner measuring method that the embodiment of the present invention provides;
Fig. 2 is that in the power consumption of air conditioner measuring method that provides of the embodiment of the present invention, blower fan drives dutycycle and power of fan graph of a relation;
Fig. 3 is that in the power consumption of air conditioner measuring method that provides of the embodiment of the present invention, blower fan drives dutycycle and blower fan to heat the graph of a relation of power;
Fig. 4 is the realization flow figure of the power consumption of air conditioner measuring method that another embodiment of the present invention provides;
Fig. 5 is the example relationship figure that in the power consumption of air conditioner measuring method that provides of the embodiment of the present invention, blower fan drives dutycycle and power of fan;
Fig. 6 is that in the power consumption of air conditioner measuring method that provides of the embodiment of the present invention, blower fan drives dutycycle and blower fan to heat the example relationship figure of power;
Fig. 7 is the structural drawing of the power consumption of air conditioner measuring system that the embodiment of the present invention provides;
Fig. 8 is the structural drawing of the power consumption of air conditioner measuring system that another embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, by pre-setting one-phase power measurement time interval and timing generates real-time chronometric data, when this chronometric data equals stage power measuring intervals of TIME, obtain off-premises station power and the indoor set power of air conditioner respectively, again in conjunction with chronometric data, off-premises station power and the stage electric quantity data of indoor set power calculation air conditioner in stage power measuring intervals of TIME, finally be updated to air conditioner from the current accumulative electric quantity data moving to current time of starting shooting according to stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space, thus reach and do not needing to carry out measuring accurately in real time to the power consumption of air conditioner under the prerequisite increasing any metering circuit.
Fig. 1 shows the realization flow of the power consumption of air conditioner measuring method that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
In step sl, preset stage power measuring intervals of TIME and start timing.
In step s 2, chronometric data is generated in real time.
In step s3, judge whether chronometric data equals stage power measuring intervals of TIME, is, then perform step S4, no, then return step S2.
In step s 4 which, according to operating voltage and the working current acquisition off-premises station power of air-conditioner outdoor unit.Step S4 specifically comprises the following steps:
An ac working power supply cycle or half ac working power supply cycle are on average divided into specific quantity and time width identical time period;
In the finish time of each time period, the operating voltage of off-premises station and working current are obtained;
According to the timesharing power that operating voltage and the working current calculating off-premises station of obtained off-premises station consume within each time period;
The quantity rated output average of the time period that the timesharing power consumed within each time period according to off-premises station and ac working power supply cycle comprise is as off-premises station power.
Wherein, an ac working power supply cycle or half ac working power supply cycle are on average being divided into specific quantity and in the step of time width identical time period, the span of the quantity of time period is between 3 to 50, this span be in order to avoid the quantity value of time period too little time cause the deviation of follow-up obtained off-premises station power comparatively large, and avoid because value is too large simultaneously and cause the problem too numerous and diverse to the computation process of off-premises station power.
The step calculating the timesharing power that off-premises station consumes within each time period according to the operating voltage of obtained off-premises station and working current is according to rating formula, by the product of operating voltage and working current as timesharing power.If working current is I
k, operating voltage is U
k, then timesharing power P
k=I
ku
k.
The quantity rated output average of the time period that the power consumed within each time period according to off-premises station and power cycle comprise as the step of off-premises station power be by calculate an ac working power supply cycle or in half ac working power supply cycle specific quantity time period in the mean value of power that consumes of off-premises station to obtain off-premises station power.If the quantity in the ac working power supply cycle with the time period of same time width is n, then off-premises station power
In step s 5, indoor set power is obtained according to the duty of load each in indoor apparatus of air conditioner.
When air conditioner runs on refrigeration mode, step S5 specifically comprises the following steps:
Driving dutycycle according to current blower fan calculates power of fan;
Duty according to indoor set display screen calculates bright light power;
The circuit board power consumed when obtaining the work of indoor set circuit board;
Power of fan, bright light power and circuit board power are carried out summation operation and obtain indoor set power.
Wherein, for the step calculating power of fan according to the driving dutycycle of current blower fan, due to desirable power of fan P
fcalculating relevant with the driving dutycycle d of current blower fan (as shown in Figure 2), then:
Work as d<d
1time, P
f=P
1;
Work as d
n-1≤ d<d
ntime,
Work as d
mduring≤d, P
f=P
m.
M is positive integer, and its span is 3 to 50, n be positive integer and 1<n≤m; As shown in Figure 2, the driving dutycycle d of blower fan
1~ d
mcorresponding blower fan refrigeration work consumption P
1~ P
m, and different blower fan types has different blower fan refrigeration work consumptions, power span is 0W ~ 100W; Wherein, dutycycle d is driven
1~ d
mspan as shown in the table:
| d 1 | d 2 | d 3 | d 4 | ... | d n | ... | d m |
| 0~50% | d 1~60% | d 2~65% | d 3~70% | d n-1~100% | d m-1~100% |
Again because in the course of the work, power of fan is also relevant with the wind guide strip angle of air outlet of indoor set, therefore, and power of fan P
f=P
fh, h are wind guide strip angle augmenting factor, and the value of h depends on the angle difference D of current wind guide strip angle and wind guide strip standard angle, the value of h and the relation of angle difference D as shown in the table:
| D | <-20° | -20°~-10° | -10°~-5° | -5°~5° | 5°~10° | 10°~20° | >20° |
| h | 94% | 95% | 98% | 100% | 102% | 105% | 108% |
For the step calculating bright light power according to the duty of indoor set display screen, bright light power P
jit is the power P of warning light in display screen
1with the power P ＂ sum of display screen control panel, wherein P
1for the current general power being in all warning lights of illuminating state, i.e. P
1=P'X, the power (span be 0 ~ 10W) of P' for consuming when single warning light is lighted, X is the quantity of the warning light being in illuminating state, and the power P ＂ of display screen control panel does not comprise the power consumed when all warning lights are in illuminating state, and the span of P ＂ is 0 ~ 5W.
For the step of the circuit board power consumed when obtaining the work of indoor set circuit board, circuit board power P
gthe general power P consumed when being all components and parts work on circuit board
athe power P that (span is 0 ~ 10W) consumes when working with main control chip on circuit board
b(span is 0 ~ 5W), i.e. P
g=P
a+ P
b.
For the step of power of fan, bright light power and circuit board power being carried out summation operation acquisition indoor set power, be namely by above-mentioned power of fan P
f, bright light power P
jand circuit board power P
gthe indoor set power P that carrying out sues for peace obtains when being in refrigeration mode
n, i.e. P
n=P
f+ P
j+ P
g.
When air conditioner runs on heating mode, step S5 specifically comprises the following steps:
Driving dutycycle according to current blower fan calculates power of fan and the auxiliary thermal power of electricity;
Duty according to indoor set display screen calculates bright light power;
The circuit board power consumed when obtaining the work of indoor set circuit board;
Power of fan, electric auxiliary thermal power, bright light power and circuit board power are carried out summation operation and obtain indoor set power.
Wherein, the driving dutycycle according to current blower fan calculates in the step of power of fan and the auxiliary thermal power of electricity, and the computing method of power of fan are identical with computing method during above-mentioned refrigeration mode, and namely power of fan is P
f; For the calculating of the auxiliary thermal power of electricity, due to the auxiliary thermal power P of electricity
trelevant with the driving dutycycle d of current blower fan, then:
Work as d<d
1time, P
t=P
1;
Work as d
t-1≤ d<d
ttime,
Work as d
kduring≤d, P
t=P
k.
K is positive integer, and its span is 3 to 50, t be positive integer and 1<t≤k; As shown in Figure 3, the driving dutycycle d of blower fan
1~ d
kcorresponding blower fan heats power P
1~ P
k, and different blower fan types has different blower fans heats power, the span that blower fan heats power is 50W ~ 2500W; Wherein, dutycycle d is driven
1~ d
kspan as shown in the table:
| d 1 | d 2 | d 3 | d 4 | ... | d t | ... | d k |
| 0~50% | d 1~60% | d 2~65% | d 3~70% | d t-1~100% | d k-1~100% |
When heating mode, calculate the step of bright light power and the step of circuit board power consumed when obtaining the work of indoor set circuit board and consistent described in refrigeration mode according to the duty of indoor set display screen, therefore repeat no more.
For the step of power of fan, bright light power and circuit board power being carried out summation operation acquisition indoor set power, be namely by power of fan P
f, electric auxiliary thermal power P
t, bright light power P j and circuit board power P
gthe indoor set power P that carrying out sues for peace obtains when being in heating mode
n, i.e. P
n=P
f+ P
t+ P
j+ P
g.
When being provided with anion generator in indoor set, and when anion generator starts work in refrigeration mode, step S5 also specifically comprises the following steps:
Driving dutycycle according to current blower fan calculates power of fan;
Duty according to indoor set display screen calculates bright light power;
The circuit board power consumed when obtaining the work of indoor set circuit board;
The negative ion power consumed when obtaining anion generator work;
Power of fan, bright light power, circuit board power and negative ion power are carried out summation operation and obtain indoor set power.
Wherein, negative ion power P
rfor anion generator is in the power P ＇ of normal opening
rwith the operative duty cycles D of anion generator within the time interval corresponding with above-mentioned chronometric data
rproduct, i.e. P
r=P ＇
rd
r, P ＇
rvalue different along with the difference of anion generator specification, its span is 0.5W ~ 50W.So, indoor set power P
n=P
f+ P
t+ P
j+ P
g+ P
r.
In step s 6, stage electric quantity data is obtained according to off-premises station power, indoor set power and chronometric data.Step S6 specifically comprises the following steps:
Summation operation is carried out to off-premises station power and indoor set power and obtains stage general power;
Stage general power and chronometric data are carried out product calculation and obtains stage electric quantity data.
Wherein, stage general power P equals off-premises station power P
wwith indoor set power P
nsum, i.e. P=P
w+ P
n; Stage electric quantity data W
1equal stage general power P and chronometric data T
1product, i.e. W
1=PT
1.
In the step s 7, be updated to current accumulative electric quantity data according to stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space, and judge that whether air conditioner is in running order, be, then jump to step S1, no, then terminate power consumption and measure process.
Wherein, according to stage electric quantity data, the step being stored in accumulative electric quantity data once obtained before in default storage space and being updated to current accumulative electric quantity data is specifically comprised the following steps:
Once obtained accumulative electric quantity data before in stage electric quantity data and default storage space is carried out summation operation and obtains current accumulative electric quantity data;
It is this current accumulative electric quantity data by the Data Update in default storage space.
Wherein, supposing to preset once obtained accumulative electric quantity data before in storage space is W
e, current accumulative electric quantity data is W, then current accumulative electric quantity data W is W
ewith stage electric quantity data W
1sum, i.e. W=W
1+ W
e.
In addition, in order to improve the accuracy rate of accessed indoor set power, avoid because indoor set alternating voltage occurs deviation and cause measured indoor set power that deviation also occurs thereupon, in an alternative embodiment of the invention, between step S5 and step S6, also comprising step S601(as shown in Figure 4).
In step s 601, the alternating voltage received by indoor set carries out correcting process to indoor set power.Step S601 specifically comprises the following steps:
Alternating voltage received by indoor set and standard line voltage are compared and obtain voltage correction factor;
According to voltage correction factor, indoor set power is revised.
Wherein, for the alternating voltage received by indoor set and standard line voltage being compared and obtaining the step of voltage correction factor, the alternating voltage received by indoor set is from off-premises station, and this alternating voltage is current supply voltage; The value of voltage correction factor a depends on the ac voltage V received by indoor set
in, for different indoor sets, its voltage correction factor a is also different, during the span of voltage correction factor a 50% ~ 150%.Such as, for a certain indoor set, as shown in the table, work as V
intime in the scope being in standard line voltage 220V ± 5V, voltage correction factor is 100%; Work as V
inwhen being less than 215V, voltage correction factor is 98%; Work as V
inwhen being greater than 225V, voltage correction factor is 105%.
| V in | <215V | 215V~225V | >225V |
| a | 98% | 100% | 105% |
For the step revised indoor set power according to voltage correction factor, after getting voltage correction factor a, using the product of obtained indoor set power and voltage correction factor a as revised indoor set power.
Below in conjunction with instantiation, above-mentioned power consumption of air conditioner measuring method is described further:
When air conditioner runs on refrigeration mode, for off-premises station, suppose that an ac working power supply cycle is on average divided into 30 and has the time period with same time width, i.e. n=30, and the working current I of off-premises station
kwith operating voltage U
kvalue in each time period is all identical, i.e. I
k=1A, U
k=220V, then off-premises station power
For indoor set, the relation between the desirable power of fan Pf according to Fig. 2 and the driving dutycycle d of current blower fan, setting m=4, P
1=10W, P
2=15W, P
3=25W, P
4=35W, d
1=10%, d
2=45%, d
3=65%, d
4=85%(is as shown in Figure 5), when fan operation speed is 1000 revs/min, d=55%, then d
2<d<d
3so, current desirable power of fan is:
Suppose that wind guide strip standard angle is 65 degree, and when wind guide strip is rocked to 56 degree according to the straighforward operation of user, angle difference D between current wind guide strip angle and wind guide strip standard angle-9 spends, according to the relation table between aforesaid wind guide strip angle augmenting factor h and angle difference D, h=98%, so power of fan P
f=20W98%=19.6W; Power P when single warning light is lighted on the display screen supposing indoor set '=0.06W, the power P ＂=0.5W of display screen control panel, and in cooling mode, the warning light number X=15 that display screen is lighted, then bright light power P
j=P'X+P ＂=0.0615+0.5=1.4W; Suppose the general power P that indoor set circuit board all components and parts consume when working
a=2W, the power P that circuit board consumes during main control chip work
b=0.5W, then circuit board power P
g=P
a+ P
b=2W+0.5W=2.5W, so, indoor set power P
n=P
f+ P
j+ P
g=19.6W+1.4W+2.5W=23.5W.As chronometric data T
1when equaling stage power measuring intervals of TIME (being assumed to be 1 minute, namely 1/60 hour), the stage general power P=P of air conditioner
w+ P
n=220W+23.5W=243.5W, then stage electric quantity data is:
If the stage electric quantity data of each minute follow-up is 4.06Wh, and air conditioner working time be 1 hour, then its total electricity is W
160=4.06Wh60=243.6Wh.
If when above-mentioned air conditioner is in refrigeration mode, the anion generator in indoor set is also opened simultaneously, suppose that anion generator is in the power P ＇ of normal opening
r=50W, anion generator with above-mentioned chronometric data T
1operative duty cycles D in the corresponding time interval
r=50%, then the negative ion power P consumed during anion generator work
r=P ＇
rd
r=50W50%=25W, then above-mentioned indoor set power P
nin adding P
rafter equal 23.5W+25W=48.5W, so the stage general power of air conditioner is:
P=243.5W+48.5W=292W
Stage electric quantity data is:
Then air conditioner runs the total electricity consumed for 1 hour is 4.87Wh × 60=292.2Wh.
Accept above-mentioned air conditioner and work in refrigeration mode, and anion generator is opened simultaneously, if also need the alternating voltage V received by indoor set
into indoor set power P
nwhen revising, suppose V
in=250V, from the foregoing teachings of the present embodiment, voltage correction factor a=105%, then indoor power is:
P
r=48.5W·105%=50.925W
The stage general power of air conditioner is:
P=243.5W+50.925W=294.425W
Stage electric quantity data is:
Then air conditioner runs the total electricity consumed for 1 hour is 4.91Wh × 60=294.6Wh.
When air conditioner works in heating mode, the auxiliary thermal power P of the electricity according to Fig. 3
tand the relation between the driving dutycycle d of current blower fan, setting k=5, P
1=550W, P
2=590W, P
3=630W, P
4=700W, P
5=800W, d
1=8%, d
2=18%, d
3=48%, d
4=68%, d
5=85%(is as shown in Figure 6), when fan operation speed is 1000 revs/min, d=55%, then d
3<d<d
4so, the auxiliary thermal power of current electricity
Suppose off-premises station power P
w, power of fan P
f, bright light power P
j, circuit board power P
gand chronometric data T
1identical when being in refrigeration mode with above-mentioned air conditioner, and no-voltage correction, then the indoor set power P under heating mode
n=P
f+ P
t+ P
j+ P
g=19.6W+654.5W+1.4W+2.5W=678W, the stage general power of air conditioner is:
P=P
w+P
n=220W+678W=898W
Then stage electric quantity data
If the stage electric quantity data of each minute follow-up is 14.97Wh, and air conditioner working time be 1 hour, then its total electricity is:
14.97Wh×60=898.2Wh。
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
Fig. 7 shows the structure of the power consumption of air conditioner measuring system that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
Power consumption of air conditioner measuring system comprises:
Set of time unit 110, for default stage power measuring intervals of TIME;
Timing unit 120, also generates chronometric data in real time for timing;
Time judging unit 130, for judging whether chronometric data equals stage power measuring intervals of TIME;
First jump-transfer unit 140, for returning timing unit 120 when the judged result of time judging unit 130 is no;
Off-premises station power obtaining unit 150, for obtaining off-premises station power according to the operating voltage of air-conditioner outdoor unit and working current;
Indoor set power obtaining unit 160, obtains indoor set power for the duty according to load each in indoor apparatus of air conditioner;
Stage electricity acquiring unit 170, for obtaining stage electric quantity data according to off-premises station power, indoor set power and chronometric data;
Storage unit 180, for storing accumulative electric quantity data;
Electric quantity data updating block 190, for being updated to current accumulative electric quantity data according to stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space;
Duty judging unit 200, for judging that whether air conditioner is in running order;
Second jump-transfer unit 210, for jumping to set of time unit 110 when the judged result of duty judging unit 200 is for being;
Process end unit 220, measures process for terminating power consumption when the judged result of duty judging unit 200 is no.
Further, off-premises station power obtaining unit 150 comprises:
Power cycle segmentation subelement 151, for being on average divided into specific quantity by an ac working power supply cycle or half ac working power supply cycle and time width identical time period;
Electrical quantity obtains subelement 152, obtains the operating voltage of off-premises station and working current for the finish time in each time period;
Timesharing power obtains subelement 153, for the timesharing power consumed within each time period according to operating voltage and the working current calculating off-premises station of obtained off-premises station;
Off-premises station power obtains subelement 154, and the quantity rated output average of the time period comprised for the timesharing power that consumes within each time period according to off-premises station and ac working power supply cycle is as off-premises station power.
Further, indoor set power obtaining unit 160 comprises:
Blower fan and the auxiliary thermal power of electricity obtain subelement 161, for when air conditioner runs on refrigeration mode, driving dutycycle according to current blower fan calculates power of fan, and when air conditioner runs on heating mode, the driving dutycycle according to current blower fan calculates power of fan and the auxiliary thermal power of electricity;
Bright light power obtains subelement 162, calculates bright light power for the duty according to indoor set display screen;
Circuit board power obtains subelement 163, the circuit board power consumed during for obtaining the work of indoor set circuit board;
Negative ion power obtains subelement 164, the negative ion power consumed during for obtaining anion generator work;
Indoor set power obtains subelement 165, for when air conditioner is in refrigeration mode, power of fan, bright light power, circuit board power are carried out summation operation and obtain indoor set power, when air conditioner is in heating mode, power of fan, electric auxiliary thermal power, bright light power and circuit board power are carried out summation operation and obtain indoor set power, when air conditioner be in refrigeration mode and anion generator startup work time, power of fan, bright light power, circuit board power and negative ion power are carried out summation operation and obtain indoor set power.
Further, stage electricity acquiring unit 170 comprises:
Stage general power computation subunit 171, obtains stage general power for carrying out summation operation to off-premises station power and indoor set power;
Stage electric quantity data operator unit 172, obtains stage electric quantity data for stage general power and chronometric data are carried out product calculation.
Further, electric quantity data updating block 190 comprises:
Current accumulative electricity obtains subelement 191, obtains current accumulative electric quantity data for once obtained accumulative electric quantity data before in stage electric quantity data and storage unit 180 is carried out summation operation;
Data Update subelement 192, for by the Data Update in storage unit 180 being this current accumulative electric quantity data.
In order to improve the accuracy rate of accessed indoor set power, avoid because indoor set alternating voltage occurs deviation and cause measured indoor set power that deviation also occurs thereupon, in an alternative embodiment of the invention, as shown in Figure 8, power consumption of air conditioner measuring system also comprises:
Indoor set power correction unit 230, carries out correcting process for the alternating voltage received by indoor set to indoor set power.
Further, indoor set power correction unit 230 comprises:
Voltage correction factor obtains subelement 231, for the alternating voltage received by indoor set and standard line voltage being compared and obtain voltage correction factor;
Power correction subelement 232, for revising indoor set power according to voltage correction factor.
In embodiments of the present invention, set of time unit 110, timing unit 120, time judging unit 130, first jump-transfer unit 140, indoor set power obtaining unit 160, stage electricity acquiring unit 170, storage unit 180, electric quantity data updating block 190, duty judging unit 200, second jump-transfer unit 210, process end unit 220 and indoor set power correction unit 230 all can be built in the master control borad of indoor apparatus of air conditioner, off-premises station power obtaining unit 150 then can be built in the master control borad of air-conditioner outdoor unit, such off-premises station power obtaining unit 150 just can utilize existing voltage detecting circuit and current detection circuit in off-premises station to obtain operating voltage and the working current of off-premises station respectively, and after acquisition off-premises station power, off-premises station power data is sent to the master control borad of indoor set, then by the indoor set power obtaining unit 160 in the master control borad of indoor apparatus of air conditioner, stage electricity acquiring unit 170, storage unit 180, electric quantity data updating block 190 cooperating is to obtain the total electricity consumption data of air conditioner.
In embodiments of the present invention, by pre-setting one-phase power measurement time interval and timing generates real-time chronometric data, when this chronometric data equals stage power measuring intervals of TIME, obtain off-premises station power and the indoor set power of air conditioner respectively, again in conjunction with chronometric data, off-premises station power and the stage electric quantity data of indoor set power calculation air conditioner in stage power measuring intervals of TIME, finally be updated to air conditioner from the current accumulative electric quantity data moving to current time of starting shooting according to stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space, thus reach and do not needing to carry out measuring accurately in real time to the power consumption of air conditioner under the prerequisite increasing any metering circuit, the method solving existing measurement power consumption of air conditioner cannot the power consumption of Obtaining Accurate air conditioner, and there is the high problem of cost.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a power consumption of air conditioner measuring method, is characterized in that, described power consumption of air conditioner measuring method comprises the following steps:
A. preset stage power measuring intervals of TIME and start timing;
B. chronometric data is generated in real time;
C. judge whether described chronometric data equals described stage power measuring intervals of TIME, is then perform steps d, no, then return step b;
D. according to operating voltage and the working current acquisition off-premises station power of air-conditioner outdoor unit;
E. indoor set power is obtained according to the duty of load each in indoor apparatus of air conditioner;
F. stage electric quantity data is obtained according to described off-premises station power, described indoor set power and described chronometric data;
G. current accumulative electric quantity data is updated to according to described stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space, and judge that whether air conditioner is in running order, be then jump to step a, no, then terminate power consumption and measure process.
2. power consumption of air conditioner measuring method as claimed in claim 1, it is characterized in that, described steps d specifically comprises the following steps:
An ac working power supply cycle or half ac working power supply cycle are on average divided into specific quantity and time width identical time period;
In the finish time of each time period, the operating voltage of off-premises station and working current are obtained;
According to the timesharing power that described operating voltage and described working current calculating off-premises station consume within described each time period;
The timesharing power consumed within described each time period at off-premises station according to off-premises station and the quantity rated output average of described time period are as off-premises station power.
3. power consumption of air conditioner measuring method as claimed in claim 1, it is characterized in that, when air conditioner runs on refrigeration mode, described step e specifically comprises the following steps:
Driving dutycycle according to current blower fan calculates power of fan;
Duty according to indoor set display screen calculates bright light power;
The circuit board power consumed when obtaining the work of indoor set circuit board;
Described power of fan, described bright light power and described circuit board power are carried out summation operation and obtain indoor set power.
4. power consumption of air conditioner measuring method as claimed in claim 1, it is characterized in that, when air conditioner runs on heating mode, described step e specifically comprises the following steps:
Driving dutycycle according to current blower fan calculates power of fan and the auxiliary thermal power of electricity;
Duty according to indoor set display screen calculates bright light power;
The circuit board power consumed when obtaining the work of indoor set circuit board;
Described power of fan, the auxiliary thermal power of described electricity, described bright light power and described circuit board power are carried out summation operation and obtain indoor set power.
5. power consumption of air conditioner measuring method as claimed in claim 1, it is characterized in that, when being provided with anion generator in indoor set, and when described anion generator starts work in refrigeration mode, described step e specifically comprises the following steps:
Driving dutycycle according to current blower fan calculates power of fan;
Duty according to indoor set display screen calculates bright light power;
The circuit board power consumed when obtaining the work of indoor set circuit board;
The negative ion power consumed when obtaining anion generator work;
Described power of fan, described bright light power, described circuit board power and described negative ion power are carried out summation operation and obtain indoor set power.
6. power consumption of air conditioner measuring method as claimed in claim 1, it is characterized in that, described step f specifically comprises the following steps:
Summation operation is carried out to described off-premises station power and described indoor set power and obtains stage general power;
Described stage general power and described chronometric data are carried out product calculation and obtains stage electric quantity data.
7. power consumption of air conditioner measuring method as claimed in claim 1, it is characterized in that, describedly according to described stage electric quantity data, the step being stored in accumulative electric quantity data once obtained before in default storage space and being updated to current accumulative electric quantity data specifically to be comprised the following steps:
Once obtained accumulative electric quantity data before in described stage electric quantity data and described default storage space is carried out summation operation and obtains current accumulative electric quantity data;
It is described current accumulative electric quantity data by the Data Update in described default storage space.
8. a power consumption of air conditioner measuring system, is characterized in that, described power consumption of air conditioner measuring system comprises:
Set of time unit, for default stage power measuring intervals of TIME;
Timing unit, also generates chronometric data in real time for timing;
Time judging unit, for judging whether described chronometric data equals described stage power measuring intervals of TIME;
First jump-transfer unit, for returning described timing unit when the judged result of described time judging unit is no;
Off-premises station power obtaining unit, for obtaining off-premises station power according to the operating voltage of air-conditioner outdoor unit and working current;
Indoor set power obtaining unit, obtains indoor set power for the duty according to load each in indoor apparatus of air conditioner;
Stage electricity acquiring unit, for obtaining stage electric quantity data according to described off-premises station power, described indoor set power and described chronometric data;
Storage unit, for storing accumulative electric quantity data;
Electric quantity data updating block, for being updated to current accumulative electric quantity data according to described stage electric quantity data by being stored in accumulative electric quantity data once obtained before in default storage space;
Duty judging unit, for judging that whether air conditioner is in running order;
Second jump-transfer unit, for jumping to described set of time unit when the judged result of described duty judging unit is for being;
Process end unit, measures process for terminating power consumption when the judged result of described duty judging unit is no.
9. power consumption of air conditioner measuring system as claimed in claim 8, it is characterized in that, described off-premises station power obtaining unit comprises:
Power cycle segmentation subelement, for being on average divided into specific quantity by an ac working power supply cycle or half ac working power supply cycle and time width identical time period;
Electrical quantity obtains subelement, obtains the operating voltage of off-premises station and working current for the finish time in each time period;
Timesharing power obtains subelement, for calculating the timesharing power that off-premises station consumes within each time period according to described operating voltage and described working current;
Off-premises station power obtains subelement, and the quantity rated output average of the time period comprised for the timesharing power that consumes within each time period according to off-premises station and ac working power supply cycle is as off-premises station power.
10. power consumption of air conditioner measuring system as claimed in claim 8, it is characterized in that, described indoor set power obtaining unit comprises:
Blower fan and the auxiliary thermal power of electricity obtain subelement, for when air conditioner runs on refrigeration mode, driving dutycycle according to current blower fan calculates power of fan, and when air conditioner runs on heating mode, the driving dutycycle according to current blower fan calculates power of fan and the auxiliary thermal power of electricity;
Bright light power obtains subelement, calculates bright light power for the duty according to indoor set display screen;
Circuit board power obtains subelement, the circuit board power consumed during for obtaining the work of indoor set circuit board;
Negative ion power obtains subelement, the negative ion power consumed during for obtaining anion generator work;
Indoor set power obtains subelement, for when air conditioner is in refrigeration mode, power of fan, bright light power, circuit board power are carried out summation operation and obtain indoor set power, when air conditioner is in heating mode, power of fan, electric auxiliary thermal power, bright light power and circuit board power are carried out summation operation and obtain indoor set power, when air conditioner be in refrigeration mode and anion generator startup work time, power of fan, bright light power, circuit board power and negative ion power are carried out summation operation and obtain indoor set power.
11. power consumption of air conditioner measuring systems as claimed in claim 8, is characterized in that, described stage electricity acquiring unit comprises:
Stage general power computation subunit, obtains stage general power for carrying out summation operation to off-premises station power and indoor set power;
Stage electric quantity data operator unit, obtains stage electric quantity data for described stage general power and described chronometric data are carried out product calculation.
12. power consumption of air conditioner measuring systems as claimed in claim 8, it is characterized in that, electric quantity data updating block comprises:
Current accumulative electricity obtains subelement, obtains current accumulative electric quantity data for once obtained accumulative electric quantity data before in described stage electric quantity data and described storage unit is carried out summation operation;
Data Update subelement, for by the Data Update in storage unit being described current accumulative electric quantity data.
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