CN107560078A - Multi-split air conditioner and power utilization proportion calculation and power distribution method for indoor unit of multi-split air conditioner - Google Patents
Multi-split air conditioner and power utilization proportion calculation and power distribution method for indoor unit of multi-split air conditioner Download PDFInfo
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- CN107560078A CN107560078A CN201710785727.9A CN201710785727A CN107560078A CN 107560078 A CN107560078 A CN 107560078A CN 201710785727 A CN201710785727 A CN 201710785727A CN 107560078 A CN107560078 A CN 107560078A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004364 calculation method Methods 0.000 title abstract description 5
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 53
- 238000005516 engineering process Methods 0.000 claims description 18
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 3
- 238000000205 computational method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a multi-split air conditioner and an electric proportion calculation and electric quantity distribution method for an indoor unit of the multi-split air conditioner, wherein the electric proportion calculation method for the indoor unit comprises the following steps: initializing each parameter to be sampled; sampling the current of an air conditioner at a certain moment, the capacity of each internal machine of the air conditioner and the opening degree of an expansion valve; calculating the electric quantity use value of each internal machine in a period of time according to each sampled parameter; calculating the total electric quantity use value of all the internal machines of the air conditioner in the period of time; and calculating the power utilization ratio of each internal machine. The data sampled by the invention is easy to obtain, and the calculation is not complicated, so that the power utilization proportion of each internal machine of the one-drive-many air conditioner and the corresponding electric quantity and the corresponding electric charge can be simply obtained, and the realization cost is lower.
Description
Technical field
The present invention relates to the computational methods of the electricity consumption ratio of each interior machine of an one driven multiple air conditioner, and based on the electricity consumption ratio
The obtained each interior electromechanical amount distribution method of computational methods and a corresponding one driven multiple air conditioner.
Background technology
Separate type air conditioner is divided into one-to-one and one and drags more air-conditionings, wherein one drags more air-conditionings to refer to an outdoor unit and two
Platform or the indoor units of more than two into air-conditioning.This one drags more air-conditionings, because different user uses different indoor sets, but
An outer machine is shared, respective institute's power consumption electricity charge can not be calculated, is mostly used on electricity charge Allocation and directly shares the electricity charge equally
Method, but everyone usage time length and air-conditioning gear are not of uniform size, the method for sharing the electricity charge equally is less fair so that
Dispute is easily produced between user.
Therefore, it is each so as to obtain how to design a kind of method for the respective electricity consumption ratio that can accurately draw each air-conditioning internal machine
The electricity charge shared from this are industry technical problems urgently to be resolved hurrily.
The content of the invention
In order to solve drawbacks described above present in prior art, the present invention proposes a kind of interior machine electricity consumption of an one driven multiple air conditioner
Proportion computing technology, the interior electromechanics obtained based on the interior machine electricity consumption proportion computing technology are measured distribution method and use the interior machine electricity consumption
Proportion computing technology obtains and shows an one driven multiple air conditioner of each interior machine electricity consumption ratio.
The technical solution adopted by the present invention is to propose a kind of interior machine electricity consumption proportion computing technology of an one driven multiple air conditioner, bag
Include:
Sample the capacity and expansion valve opening of each interior machine of electric current, air conditioner of certain moment air conditioner;
Electricity use value of each interior machine within a period of time is calculated according to each parameter of sampling;
Calculate total electricity use value of all interior machines of the air conditioner within this time;
Calculate the electricity consumption ratio of each interior machine.
Preferably, the sampling is once sampled every a time cycle, and the duration of each time cycle can be
1min or 10min etc..
Specifically, the value of expansion valve opening is determined by the type of expansion valve, when the expansion valve of the interior machine only switchs
During state, the value of the expansion valve opening of the interior machine is 0 or 1;When the aperture of the expansion valve of the interior machine is adjustable, institute
Between the value for stating the expansion valve opening of interior machine is 0 to 1 and comprising 0 and 1.
Specifically, the electric current of the air conditioner can be the complete machine electric current of air conditioner, or using compressor for air conditioner
Electric current or outer electromechanical stream carry out approximate replacement.
The present invention calculates machine formula used by time period t 1-t2 electricity use value in kth platform, wherein, I (t) is electric current, the C of t air conditionerk(t)For machine in t kth platform
Capacity, Vk(t)For the expansion valve opening of machine in t kth platform, t1<=t<=t2.
The invention also provides a kind of interior electromechanical amount distribution method of an one driven multiple air conditioner, including:Using above-mentioned technical side
Interior machine electricity consumption proportion computing technology in case obtains the electricity consumption ratio of each interior machine, and obtains the true total power consumption of air conditioner, meter
Calculate and obtain the true electricity of each interior machine consumption.
Specifically, the true total power consumption of the air conditioner is electric according to the complete machine itself measured by the outer mainboard of air conditioner
The time integral that stream voltage multiplies value is drawn.Or the true total power consumption of the air conditioner is measured by the external ammeter of air conditioner
Go out.When both values are inconsistent, the value that the external ammeter measurement of prioritizing selection air conditioner is drawn always consumes as the true of air conditioner
Electricity.
The invention also provides obtained and shown in each using the interior machine electricity consumption proportion computing technology in above-mentioned technical proposal
One one driven multiple air conditioner of machine electricity consumption ratio.
Prior art is compared to, the present invention is according to the actual start of each indoor set effective refrigerating/heating time and interior
Situations such as function power, each interior electromechanical amount ratio of increase calculate, may then pass through external display or show electricity on machine indoors
The method of amount ratio, each user is set to get the electricity electricity charge that should each share.And the method applied in the present invention is implemented
Get up to be easier, implementation cost is low.
Brief description of the drawings
With reference to embodiment and accompanying drawing, the present invention is described in detail, wherein:
Fig. 1 is the flow chart of the present invention.
Embodiment
Fig. 1 be illustrated that one embodiment of the invention propose an one driven multiple air conditioner interior machine electricity consumption proportion computing technology and
Power energy allocation method flow diagram.When an one driven multiple air conditioner more interior machines in the running, outer machine passes through the refrigerant that is connected with interior machine
Connecting tube and interior machine positive energy exchange, and expansion valve can control the circulation of connecting tube refrigerant.When outer machine is connected with certain interior machine
Expansion valve when being fully closed, actually outer machine has stopped to the interior machine conveying energy of this.
In one embodiment, the common n indoor set of an one driven multiple air conditioner, i.e. n value are the nature more than or equal to 2
Number, in t, we can sample following data:The complete machine electric current I (t) of air conditioner is measured by outer machine controller
(Also compressor current or outer electromechanical stream approximate substitution can be used), the capacity of kth platform indoor set(Capacity and indoor set blower fan shelves
Position etc. is relevant, i.e.,Can be according to the real-time respective change of service condition), the expansion valve opening that connects with machine in kth platform(t).It is swollen
Swollen valve opening(t)It is relevant with the switchtype of expansion valve, there was only on off state for expansion valve,(t)Value be 0 or
1, and it is adjustable for the aperture size of expansion valve,(t)The value between 0 ~ 1 can be taken according to switch size, and includes 0 and 1.
Then the parameter respectively sampled is updated to equation 1 below, to calculate in kth platform machine in initial time t1 to terminating
Electricity use value Q in this period time t2k(Ratio).
(Formula 1)
And within initial time t1 ~ end time t2 of sampling period in n platforms machine total electricity use value QzIt can then lead to
Formula 2 is crossed to be calculated.
(Formula 2)
It so can be obtained by the electricity consumption ratio P for the interior machine that kth platform user useskFor:
(Formula 3)
The electricity ratio calculated by formula 3, it can be shown by the external special display of outer machine, be grasped by button
Carry out accumulative electricity ratio and show or removes to add up ratio and recalculate etc. to operate;Or directly pass through every interior machine
Display board is shown and associative operation.
If needing to calculate electricity, then it can continue following step.
Assuming that this time true total power consumption as caused by this one drags n air conditioners is S, then machine user should in kth platform
The power consumption undertaken is as follows:
(formula 4)
S can be obtained accurate power consumption by air-conditioner external ammeter survey calculation, and outdoor machine of air-conditioner mainboard uses the complete machine of itself measurement
The power consumption that the time integral that Current Voltage multiplies value obtains and true caused total power consumption are not consistent, it is impossible to directly use.
The power consumption that every interior machine user should bear is obtained, then according to electricity Unit Price, you can learn the electricity that each user should undertake
Take.
In view of in controller inconvenience do integral operation, and I (t) in formula 1,Value changes not
Can be too fast, can be with T at regular intervals(T can be set to such as 1min, 10min etc.)Once sampled, then when the t1 in formula 1 is
Between at the beginning of the cycle between, t2 is the end time of time cycle.Assuming that in kth platform the m times value sampled of machine be I (m),, then in the timeT~In T time section, formula 1 is converted into as follows:
(formula 5)
Formula 5 is updated in 2 ~ formula of formula 4, the formula that can be conveniently calculated.
Except the interior machine electricity consumption proportion computing technology of an above-mentioned one driven multiple air conditioner, power energy allocation method, the present invention is gone back simultaneously
Protection obtains and shown an one driven multiple air conditioner of electricity consumption ratio using the interior machine electricity consumption proportion computing technology.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. interior machine electricity consumption proportion computing technology of an one driven multiple air conditioner, it is characterised in that including:Parameters to be sampled are initialized;Sample the capacity and expansion valve opening of each interior machine of electric current, air conditioner of certain moment air conditioner;Electricity use value of each interior machine within a period of time is calculated according to each parameter of sampling;Calculate total electricity use value of all interior machines of the air conditioner within this time;Calculate the electricity consumption ratio of each interior machine.
- 2. the interior machine electricity consumption proportion computing technology of an one driven multiple air conditioner as claimed in claim 1, it is characterised in that the sampling Once sampled every a time cycle.
- 3. the interior machine electricity consumption proportion computing technology of an one driven multiple air conditioner as claimed in claim 2, it is characterised in that one The when a length of 1min or 10min of time cycle.
- 4. the interior machine electricity consumption proportion computing technology of an one driven multiple air conditioner as claimed in claim 1, it is characterised in that when described interior When the expansion valve of machine only has on off state, the value of the expansion valve opening of the interior machine is 0 or 1;When the expansion of the interior machine When the aperture of valve is adjustable, between the value of the expansion valve opening of the interior machine is 0 to 1 and 0 and 1 are included.
- 5. the interior machine electricity consumption proportion computing technology of an one driven multiple air conditioner as claimed in claim 1, it is characterised in that the air-conditioning The electric current of machine is the complete machine electric current of air conditioner, or the electric current of compressor for air conditioner, or outer electromechanical stream.
- 6. the interior machine electricity consumption proportion computing technology of an one driven multiple air conditioner as claimed in claim 1, it is characterised in that using public FormulaThe electricity use value of machine in kth platform in time period t 1-t2 is calculated, wherein, I (t) it is electric current, the C of t air conditionerk(t)For the capacity of machine in t kth platform, Vk(t)For the expansion of machine in t kth platform Valve opening, t1<=t<=t2.
- 7. a kind of interior electromechanical amount distribution method of an one driven multiple air conditioner, including:Using as described in claim 1 to 6 any one Interior machine electricity consumption proportion computing technology obtain the electricity consumption ratio of each interior machine, and obtain the true total power consumption of air conditioner, calculate To the true electricity of each interior machine consumption.
- 8. the interior electromechanical amount distribution method of an one driven multiple air conditioner as claimed in claim 7, it is characterised in that the air conditioner The time integral that the complete machine Current Voltage that true total power consumption is measured by the outer mainboard of air conditioner according to itself multiplies value is drawn.
- 9. the interior electromechanical amount distribution method of an one driven multiple air conditioner as claimed in claim 7, it is characterised in that the air conditioner True total power consumption is drawn by the external ammeter measurement of air conditioner.
- 10. obtained using the interior machine electricity consumption proportion computing technology as described in claim 1 to 6 any one and show that each interior machine is used One one driven multiple air conditioner of electric ratio.
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Cited By (5)
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WO2019184426A1 (en) * | 2018-03-26 | 2019-10-03 | 珠海格力电器股份有限公司 | Separate charging method, apparatus and system |
CN110595001A (en) * | 2019-09-18 | 2019-12-20 | 珠海格力电器股份有限公司 | Household charging debugging method and device for multi-split air conditioner and computer equipment |
CN112396763A (en) * | 2020-11-11 | 2021-02-23 | 清华大学 | Household metering and charging method and device for multi-split air conditioner |
CN113074441A (en) * | 2021-04-06 | 2021-07-06 | 珠海格力电器股份有限公司 | Air conditioner electric charge metering method and device and air conditioning unit |
CN113137712A (en) * | 2021-04-08 | 2021-07-20 | 珠海格力电器股份有限公司 | Metering method for power consumption of electronic expansion valve and air conditioner |
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WO2019184426A1 (en) * | 2018-03-26 | 2019-10-03 | 珠海格力电器股份有限公司 | Separate charging method, apparatus and system |
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CN113074441A (en) * | 2021-04-06 | 2021-07-06 | 珠海格力电器股份有限公司 | Air conditioner electric charge metering method and device and air conditioning unit |
CN113137712A (en) * | 2021-04-08 | 2021-07-20 | 珠海格力电器股份有限公司 | Metering method for power consumption of electronic expansion valve and air conditioner |
CN113137712B (en) * | 2021-04-08 | 2022-03-18 | 珠海格力电器股份有限公司 | Metering method for power consumption of electronic expansion valve and air conditioner |
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