CN110793165A - Household charging method and system for multi-connected air conditioner - Google Patents
Household charging method and system for multi-connected air conditioner Download PDFInfo
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- CN110793165A CN110793165A CN201810786426.2A CN201810786426A CN110793165A CN 110793165 A CN110793165 A CN 110793165A CN 201810786426 A CN201810786426 A CN 201810786426A CN 110793165 A CN110793165 A CN 110793165A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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Abstract
The invention relates to the technical field of air conditioners, in particular to a household charging method and a household charging system for a multi-connected air conditioner, and aims to solve the problem of unfair charging of the conventional household charging method for the multi-connected air conditioner. For the purpose, the household charging method of the multi-connected air conditioner comprises the steps of obtaining the operation data of each air conditioner indoor unit in a set time period; calculating the refrigeration/heat quantity of each air conditioner indoor unit in the set time period according to the operation data; calculating the sharing coefficient of each air conditioner indoor unit according to the refrigeration/heat quantity; and calculating the electric charge of each air-conditioning indoor unit in the set time period according to the allocation coefficient. The multi-connected air conditioner individual charging method has the advantages of simple and effective steps, quick and accurate charging and high user acceptance, realizes accurate charging and fairness for each user, and avoids the occurrence of the situation of complaint of the user.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a household charging method and a household charging system for a multi-connected air conditioner.
Background
With the acceleration of the urbanization process, centralized places such as office buildings, apartments and the like are more and more, and the centralized cooling or heating of the places is generally carried out by adopting a multi-connected air conditioner, but the separate charging of the air conditioner in each room becomes a difficult problem.
The following two modes are generally adopted for fee collection in the actual operation process: 1. and each room adopts a mode of uniformly sharing the cost according to the total power consumption. 2. And recording the total time of using the air conditioner in each room for charging, wherein more payment is made for long service time, and less payment is made for short service time.
However, the two modes still have disadvantages, the first mode belongs to a relatively rough solution, conditions such as the air conditioner service time, the set temperature, the air speed, the power of an indoor unit of the air conditioner and the like of each room are different, correspondingly consumed electric energy is different, generated cost is also different, and the mode of sharing the cost obviously cannot guarantee the benefit balance of residents in each room. The second mode is relatively fair compared with the first mode, and a room with long service life can pay corresponding cost. However, the set temperature, the wind speed and the power of the indoor unit of the air conditioner are different for each room, so that the consumed electric energy is different in the same time, and the second scheme has unfairness.
Accordingly, there is a need in the art for a new multi-connected air conditioner individual charging method to solve the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem of unfair charging existing in the existing multi-connected air conditioner individual charging method, the present invention provides a multi-connected air conditioner individual charging method, which comprises:
acquiring the operation data of each air conditioner indoor unit in a set time period;
calculating the refrigeration/heat quantity of each air conditioner indoor unit in the set time period according to the operation data;
calculating the sharing coefficient of each air conditioner indoor unit according to the refrigeration/heat quantity;
and calculating the electric charge of each air-conditioning indoor unit in the set time period according to the allocation coefficient.
In the preferred technical scheme of the household charging method for the multi-connected air conditioners, the step of acquiring the operation data of each air conditioner indoor unit in a set time period specifically comprises the following steps:
and acquiring the air inlet temperature, the air inlet moisture content, the air outlet temperature, the air outlet moisture content and the air outlet speed of each air conditioner indoor unit in a set time period.
In the preferred technical solution of the household charge method for the multi-connected air conditioners, the step of calculating the cooling/heating capacity of each air conditioner indoor unit in the set time period according to the operation data specifically includes:
the refrigeration/heat is calculated using the method shown in the following equation:
Qt＝∫Qdt＝∫(KVργ|Tj-TC|+KVρλ|Dj-DC|)dt；
wherein, Q istThe refrigeration/heat quantity of the indoor unit of the air conditioner in a set time period is obtained; q is instantaneous refrigeration/heat of the indoor unit of the air conditioner; the T isjThe temperature of the inlet air is; the T isCIs the air outlet temperature; said DjThe moisture content of the inlet air is; said DCThe moisture content of the outlet air; v is the air outlet speed; k is an air outlet sectional area constant of the indoor unit of the air conditioner; the rho is an air density constant; gamma is an air specific heat capacity constant; the lambda is a water vaporization latent heat constant; and t is a set time period.
In the preferred technical scheme of the household-based charging method for the multi-connected air conditioners, the step of calculating the sharing coefficient of each air conditioner indoor unit according to the refrigeration/heat specifically comprises the following steps:
and respectively calculating the ratio of the refrigeration/heat quantity of each air-conditioning indoor unit in a set time period to the sum of the refrigeration/heat quantities of all the air-conditioning indoor units in the set time period.
In a preferred technical solution of the household-based charging method for the multiple air conditioners, the step of "calculating the electric charge of each air conditioner indoor unit in the set time period according to the apportionment coefficient" specifically includes:
acquiring the total cost of the multi-connected air conditioner in the set time period;
and respectively calculating the product of the apportionment coefficient of each air-conditioning indoor unit and the total cost.
The invention also provides a multi-connected air conditioner individual charging system, which comprises: the first acquisition module is used for acquiring the operation data of each air conditioner indoor unit in a set time period; the first calculation module is used for calculating the refrigeration/heat quantity of each air conditioner indoor unit in the set time period according to the operation data; the second calculation module is used for calculating the allocation coefficient of each air conditioner indoor unit according to the refrigeration/heat quantity; and the third calculation module is used for calculating the electric charge of each air conditioner indoor unit in the set time period according to the allocation coefficient.
In the preferred technical scheme of the multi-connected air conditioner household charging system, the first acquisition module is used for acquiring the air inlet temperature, the air inlet moisture content, the air outlet temperature, the air outlet moisture content and the air outlet speed of each air conditioner indoor unit in a set time period.
In the preferable technical solution of the household charge system for multiple air conditioners, the first calculating module calculates the cooling/heating amount by the following formula:
Qt＝∫Qdt＝∫(KVργ|Tj-TC|+KVρλ|Dj-DC|)dt；
wherein, Q istThe refrigeration/heat quantity of the indoor unit of the air conditioner in a set time period is obtained; q is instantaneous refrigeration/heat of the indoor unit of the air conditioner; the T isjThe temperature of the inlet air is; the T isCIs the air outlet temperature; said DjThe moisture content of the inlet air is; said DCThe moisture content of the outlet air; v is the air outlet speed; k is an air outlet sectional area constant of the indoor unit of the air conditioner; the rho is an air density constant; gamma is an air specific heat capacity constant; the lambda is a water vaporization latent heat constant; and t is a set time period.
In the above preferred technical solution of the household-based billing system for multiple air conditioners, the second calculation module calculates the apportionment coefficient of each air conditioner indoor unit according to the refrigeration/heat quantity in the following manner: and respectively calculating the ratio of the refrigeration/heat quantity of each air-conditioning indoor unit in a set time period to the sum of the refrigeration/heat quantities of all the air-conditioning indoor units in the set time period.
In the preferred technical solution of the household charging system for multiple air conditioners, the household charging system further includes a second acquisition module, which is used for acquiring the total cost of the multiple air conditioners in the set time period; the third calculation module calculates the electric charge of each air conditioner indoor unit in the set time period according to the allocation coefficient in the following way: and respectively calculating the product of the apportionment coefficient of each air-conditioning indoor unit and the total cost.
The method for charging the split air conditioners by the household is simple and effective in step, fast and accurate in charging and high in user acceptance, accurate charging and fair of each household are achieved, and the situation that users complain is avoided. That is to say, the invention solves the problem of unfair charging of the household charging method of the multi-connected air conditioner in the prior art, ensures the rationality and fairness of household charging and meets the requirements of commercial production.
Drawings
The multi-connected air conditioner household charging method and system of the invention are described below with reference to the accompanying drawings and in combination with the air conditioner refrigeration mode. In the drawings:
FIG. 1 is a flow chart of a household charging method for a multi-connected air conditioner of the present invention;
fig. 2 is a schematic diagram of the household charging system for the multi-connected air conditioners.
List of reference numerals
1. An electric meter; 2. an air conditioner outdoor unit; 3. an air-conditioning indoor unit; 4. an air inlet temperature and humidity sensor; 5. a wind speed sensor; 6. an air outlet temperature and humidity sensor.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example,
referring to fig. 1, the method for charging the multiple air conditioners in different households is described. Fig. 1 is a flow chart of a household charging method for a multi-connected air conditioner of the present invention.
As shown in fig. 1, in order to solve the problem of unfair charging in the household-based charging method for multiple air conditioners in the prior art, the present invention provides a household-based charging method for multiple air conditioners, which mainly comprises:
s100, acquiring operation data of each air conditioner indoor unit in a set time period, for example, acquiring operation data of each air conditioner indoor unit such as air inlet temperature, air inlet moisture content, air outlet temperature, air outlet moisture content, air outlet speed and the like in real time in the set time period;
s200, calculating the refrigerating capacity of each air-conditioning indoor unit in a set time period according to the operation data, for example, calculating the sum of total sensible heat and total latent heat of each air-conditioning indoor unit in the set time period according to the acquired operation data, namely the refrigerating capacity of the indoor unit in the set time period;
s300, calculating the allocation coefficient of each air-conditioning indoor unit according to the refrigerating capacity, for example, calculating the proportion of the refrigerating capacity of each indoor unit in a set time period to the total refrigerating capacity in the set time period, and taking the result as the allocation coefficient of the corresponding indoor unit;
and S400, calculating the electric charge of each air-conditioning indoor unit in a set time period according to the allocation coefficient, for example, calculating the product of the allocation coefficient of each air-conditioning indoor unit and the total electric charge of the multi-type air conditioner in the set time period, and taking the product as the electric charge of the corresponding air-conditioning indoor unit in the set time period.
According to the description, the refrigerating capacity is calculated by obtaining the operation data of the air conditioner indoor units, the share coefficient of each air conditioner indoor unit is calculated according to the refrigerating capacity, and the electric charge of each air conditioner indoor unit is calculated according to the share coefficient. That is to say, the invention solves the problem of unfair charging of the household charging method of the multi-connected air conditioner in the prior art, ensures the rationality and fairness of household charging and meets the requirements of commercial production.
It should be noted that the set time period in the above embodiment may be one billing cycle of the multi-split air conditioner, or may be a certain time period within one billing cycle, and the cycle may be the same as the billing cycle of the electric meter in the apartment, or may be a separately set billing cycle. For example, the set time period may be a charging period such as a week, a month, a quarter, a half year, or even a year, or may be 5 days or 10 days in a certain charging period, and the 5 days or 10 days may be a time period after the charging period is equally divided, or may be a plurality of different time periods set by the user.
In a preferred embodiment, the step S200 specifically includes: the refrigerating capacity is calculated by adopting the method shown in the following formula (1):
Qt＝∫Qdt＝∫[KVργ(Tj-TC)+KVρλ(Dj-DC)]dt； (1)
wherein Q istThe refrigerating capacity of the indoor unit of the air conditioner in a set time period is set; q is the instantaneous refrigerating capacity of the indoor unit of the air conditioner; t isjThe temperature of the inlet air is; t isCIs the air outlet temperature; djThe moisture content of the inlet air is; dCThe moisture content of the outlet air; v is the air outlet speed; k is the sectional area constant of the air outlet of the indoor unit of the air conditioner; rho is an air density constant; gamma is the specific heat capacity constant of air, lambda is the latent heat of vaporization constant of water, and t is the set time period.
As can be seen from the above formula (1), the instantaneous cooling capacity is obtained by calculating the sum of the instantaneous sensible heat and the instantaneous latent heat of the indoor unit, and then the cooling capacity in the set time period is integrated, so that the cooling capacity in the set time period can be obtained quickly and accurately.
After calculating the cooling capacity within the set time period, in a possible implementation, the step S300 specifically includes: the method comprises the steps of respectively calculating the ratio of the refrigerating capacity of each air-conditioning indoor unit in a set time period to the sum of the refrigerating capacities of all the air-conditioning indoor units in the set time period, namely after the refrigerating capacity of each air-conditioning indoor unit in the set time period is calculated, adding the refrigerating capacities of all the air-conditioning indoor units in the same set time period to form a denominator, and using the refrigerating capacity of each indoor unit in the set time period as a numerator, so that the allocation coefficient of the air-conditioning indoor unit in the set time period (namely a charging period) is calculated.
After calculating the partition coefficient of each air conditioning indoor unit in the set time period, in a possible embodiment, step S400 specifically includes:
acquiring the total charge of the multi-connected air conditioner in a set time period, for example, acquiring the total electric charge of the multi-connected air conditioner in the set time period by manually reading a watt-hour meter connected with the multi-connected air conditioner, or calling/calculating the total electric charge of the multi-connected air conditioner in the set time period from an upper computer/control system connected with the watt-hour meter of the multi-connected air conditioner, and the like;
respectively calculating the product of the apportionment coefficient of each air-conditioning indoor unit and the total cost; for example, the product of the allocation coefficient of the megger air conditioner indoor unit and the total electric charge is calculated in a manual mode or a control system automatic calculation mode, and the cost of each air conditioner indoor unit in a set time period is finally obtained accurately.
The advantages of the preferred embodiment described above are: the method has the advantages that the refrigerating capacity of the indoor unit of the air conditioner in a set time period can be accurately calculated by obtaining conventional data (inlet/outlet temperature, inlet/outlet moisture content, air outlet speed and the like) when the indoor unit of the air conditioner operates, and further the allocation coefficient and the electric charge of the indoor unit can be accurately calculated. The sensible heat and the latent heat are utilized to jointly calculate the refrigerating capacity, the calculating precision of the refrigerating capacity is improved, and the accuracy of the subsequent calculating process is ensured.
It should be noted that the above preferred embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can adjust the above control method so that the present invention can be applied to more specific application scenarios without departing from the principle of the present invention. For example, in addition to the above formula (1) for calculating the cooling capacity, a person skilled in the art may select other formulas to calculate the cooling capacity, for example, only instantaneous sensible heat of the air conditioner is calculated as the instantaneous cooling capacity, and the instantaneous cooling capacity is integrated to obtain the cooling capacity. Correspondingly, only the instantaneous sensible heat of the air conditioner needs to be calculated, and only a plurality of operation data of the air inlet temperature, the air outlet temperature and the air outlet speed of the air conditioner need to be acquired in real time. Besides, the operation data can be acquired in real time, or acquired at fixed time intervals, or acquired only when the indoor unit of the air conditioner operates, and the like.
The multi-connected air conditioner household charging system of the invention is described with reference to fig. 2. Fig. 2 is a schematic diagram of the household charging system for the multi-connected air conditioners of the present invention.
As shown in fig. 2, the present invention further provides a multi-connected air conditioner household charging system, which mainly includes a first collecting module, a second collecting module, a first calculating module, a second calculating module and a third calculating module. The first acquisition module is used for acquiring the operation data of each air-conditioning indoor unit in a set time period, the second acquisition module is used for acquiring the total cost of the multi-connected air conditioners in the set time period, and the first calculation module is used for calculating the refrigerating capacity of each air-conditioning indoor unit in the set time period according to the operation data; the second calculation module is used for calculating the allocation coefficient of each air conditioner indoor unit according to the refrigerating capacity; and the third calculation module is used for calculating the electric charge of each air conditioner indoor unit in a set time period according to the allocation coefficient.
In a possible embodiment, the first collecting module includes a sensor for measuring the temperature of the inlet and outlet air, a sensor for measuring the moisture content of the inlet and outlet air, and a sensor for measuring the speed of the outlet air, for example, a temperature sensor and a humidity sensor are used to measure the temperature of the inlet and outlet air and the moisture content of the inlet and outlet air, respectively, or a temperature and humidity sensor is used to measure the temperature of the inlet and outlet air and the moisture content of the inlet and outlet air simultaneously; and measuring the air outlet speed by using an air speed sensor or an air speed and wind direction integrated sensor. Specifically, an air inlet temperature and an air inlet moisture content of the indoor air conditioner 3 are measured by an air inlet temperature and humidity sensor 4, an air outlet temperature and an air outlet moisture content of the indoor air conditioner 3 are measured by an air outlet temperature and humidity sensor 6, and an air outlet speed of the indoor air conditioner 3 is measured by an air speed sensor 5. The air inlet temperature and humidity sensor 4, the air outlet temperature and humidity sensor 6 and the air speed sensor 5 are used for measuring corresponding operation data, so that the method is convenient and rapid, high in accuracy rate, low in cost and suitable for batch production. The second collection module of the present invention is preferably a watt-hour meter 1.
The first calculating module calculates the refrigerating capacity by the following formula:
Qt＝∫Qdt＝∫(KVργ|Tj-TC|+KVρλ|Dj-DC|)dt (1)
wherein Q istThe refrigerating capacity of the indoor unit of the air conditioner in a set time period is set; q is the instantaneous refrigerating capacity of the indoor unit of the air conditioner; t isjThe temperature of the inlet air is; t isCIs the air outlet temperature; djThe moisture content of the inlet air is; dCThe moisture content of the outlet air; v is the air outlet speed; k is the sectional area constant of the air outlet of the indoor unit of the air conditioner; rho is an air density constant; gamma is the specific heat capacity constant of air, lambda is the latent heat of vaporization constant of water, and t is the set time period.
The second calculation module calculates the sharing coefficient of each air conditioner indoor unit according to the refrigerating capacity in the following mode: and respectively calculating the ratio of the refrigerating capacity of each air-conditioning indoor unit in a set time period to the sum of the refrigerating capacities of all the air-conditioning indoor units in the set time period.
The third calculation module calculates the electric charge of each air conditioner indoor unit in a set time period according to the allocation coefficient in the following way: and respectively calculating the product of the apportionment coefficient of each air-conditioning indoor unit and the total cost.
It is easy for those skilled in the art to understand that, on the premise of implementing the functions thereof, the first calculating module, the second calculating module and the third calculating module of the present invention may be separate modules, or may be different calculating units performed in the same module. It is also easy for those skilled in the art to understand that the multi-connected air conditioner individual charging system of the present invention can be applied to the same outdoor unit 2, and can also be applied to different outdoor units.
The household charging system of the multi-connected air conditioner has simple structure, can be realized by utilizing the existing detection element in the air conditioner or only adding the simple detection element, has almost no influence on the cost, is suitable for batch production, is quick and accurate for household charging of the multi-connected air conditioner, is fair and fair, and meets the requirement of commercial production.
The workflow of the control method of the present invention is described below with reference to fig. 1 and 2:
1. in the time of 1 month, operating data such as air inlet temperature, air inlet moisture content, air outlet temperature, air outlet moisture content, air outlet speed and the like of each air conditioner indoor unit are acquired in real time by using a temperature and humidity sensor and an air speed sensor;
2. calculating the sum of the total sensible heat and the total latent heat of each air-conditioning indoor unit within 1 month according to the acquired operation data, namely the refrigerating capacity of the indoor unit within 1 month;
3. calculating the proportion of the refrigerating capacity of each indoor unit in 1 month to the total refrigerating capacity of all the indoor units in 1 month, and taking the result as the allocation coefficient of the corresponding indoor unit;
4. and calculating the product of the apportionment coefficient of each air-conditioning indoor unit and the total electric charge of the multi-connected air conditioners within 1 month, and taking the product as the electric charge of the corresponding air-conditioning indoor unit within 1 month.
Finally, it should be noted that, although the cooling mode is described as an example in the above embodiment, this is only used to illustrate the principle of the present invention, and is not intended to limit the protection scope of the present invention, and it is obvious to those skilled in the art that the household charging method for multi-connected air conditioners of the present invention can be applied to the heating mode of multi-connected air conditioners to ensure that the cooling and heating can be charged by household using the present invention all the year round.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A household charging method for a multi-connected air conditioner is characterized by comprising the following steps:
acquiring the operation data of each air conditioner indoor unit in a set time period;
calculating the refrigeration/heat quantity of each air conditioner indoor unit in the set time period according to the operation data;
calculating the sharing coefficient of each air conditioner indoor unit according to the refrigeration/heat quantity;
and calculating the electric charge of each air-conditioning indoor unit in the set time period according to the allocation coefficient.
2. The household charging method for the multiple air conditioners according to claim 1, wherein the step of acquiring the operation data of each air conditioner indoor unit in a set time period specifically comprises the following steps:
and acquiring the air inlet temperature, the air inlet moisture content, the air outlet temperature, the air outlet moisture content and the air outlet speed of each air conditioner indoor unit in a set time period.
3. The household charging method for the multiple air conditioners according to claim 2, wherein the step of calculating the cooling/heating amount of each air conditioner indoor unit in the set time period according to the operation data specifically comprises the following steps:
the refrigeration/heat is calculated using the method shown in the following equation:
Qt＝∫Qdt＝∫(KVργ|Tj-TC|+KVρλ|Dj-DC|)dt；
wherein, Q istThe refrigeration/heat quantity of the indoor unit of the air conditioner in a set time period is obtained; q is instantaneous refrigeration/heat of the indoor unit of the air conditioner; the T isjThe temperature of the inlet air is; the T isCIs the air outlet temperature; said DjFor supplying air with moisture content(ii) a Said DCThe moisture content of the outlet air; v is the air outlet speed; k is an air outlet sectional area constant of the indoor unit of the air conditioner; the rho is an air density constant; gamma is an air specific heat capacity constant; the lambda is a water vaporization latent heat constant; and t is a set time period.
4. The household-based charging method for the multiple air conditioners according to claim 1, wherein the step of calculating the sharing coefficient of each air conditioner indoor unit according to the refrigeration/heat quantity specifically comprises the following steps:
and respectively calculating the ratio of the refrigeration/heat quantity of each air-conditioning indoor unit in a set time period to the sum of the refrigeration/heat quantities of all the air-conditioning indoor units in the set time period.
5. The household charging method for the multiple air conditioners according to claim 1, wherein the step of calculating the electric charge of each air conditioner indoor unit in the set time period according to the apportionment coefficient specifically comprises:
acquiring the total cost of the multi-connected air conditioner in the set time period;
and respectively calculating the product of the apportionment coefficient of each air-conditioning indoor unit and the total cost.
6. The household charging system of the multi-connected air conditioner is characterized by comprising the following components:
the first acquisition module is used for acquiring the operation data of each air conditioner indoor unit in a set time period;
the first calculation module is used for calculating the refrigeration/heat quantity of each air conditioner indoor unit in the set time period according to the operation data;
the second calculation module is used for calculating the allocation coefficient of each air conditioner indoor unit according to the refrigeration/heat quantity;
and the third calculation module is used for calculating the electric charge of each air conditioner indoor unit in the set time period according to the allocation coefficient.
7. The household charging system for the multiple air conditioners according to claim 6, wherein the first acquisition module is used for acquiring the air inlet temperature, the air inlet moisture content, the air outlet temperature, the air outlet moisture content and the air outlet speed of each air conditioner indoor unit in a set time period.
8. The household charging system for the multi-connected air conditioners according to claim 7, wherein the first calculating module calculates the cooling/heating amount by the following formula:
Qt＝∫Qdt＝∫(KVργ|Tj-TC|+KVρλ|Dj-DC|)dt；
wherein, Q istThe refrigeration/heat quantity of the indoor unit of the air conditioner in a set time period is obtained; q is instantaneous refrigeration/heat of the indoor unit of the air conditioner; the T isjThe temperature of the inlet air is; the T isCIs the air outlet temperature; said DjThe moisture content of the inlet air is; said DCThe moisture content of the outlet air; v is the air outlet speed; k is an air outlet sectional area constant of the indoor unit of the air conditioner; the rho is an air density constant; gamma is an air specific heat capacity constant, lambda is a water vaporization latent heat constant, and t is a set time period.
9. The household charging system for the multiple air conditioners according to claim 6, wherein the second calculating module calculates the sharing coefficient of each air conditioner indoor unit according to the cooling/heating amount by:
and respectively calculating the ratio of the refrigeration/heat quantity of each air-conditioning indoor unit in a set time period to the sum of the refrigeration/heat quantities of all the air-conditioning indoor units in the set time period.
10. The household charging system for the multiple air conditioners according to claim 6, further comprising a second collecting module for obtaining the total charge of the multiple air conditioners in the set time period;
the third calculation module calculates the electric charge of each air conditioner indoor unit in the set time period according to the allocation coefficient in the following way:
and respectively calculating the product of the apportionment coefficient of each air-conditioning indoor unit and the total cost.
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| CN111667637A (en) * | 2020-05-11 | 2020-09-15 | 中外运冷链物流有限公司 | Method for calculating electricity charge of single refrigeration house of centralized refrigeration system |
| CN112364563A (en) * | 2020-11-11 | 2021-02-12 | 清华大学 | Household metering and charging method and device for multi-split air conditioner |
| CN113932375A (en) * | 2021-10-26 | 2022-01-14 | 宁波奥克斯电气股份有限公司 | Household charging method of multi-split system and multi-split system |
| CN114034107A (en) * | 2021-10-08 | 2022-02-11 | 深圳市富能新能源科技有限公司 | Central air conditioner cold energy distribution method and system |
| CN115307282A (en) * | 2022-07-20 | 2022-11-08 | 四川虹美智能科技有限公司 | Multi-split electricity sharing system and method |
| CN115388517A (en) * | 2022-07-27 | 2022-11-25 | 宁波奥克斯电气股份有限公司 | Household charging method and device for multi-connected air conditioner and multi-connected air conditioner |
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| CN114034107A (en) * | 2021-10-08 | 2022-02-11 | 深圳市富能新能源科技有限公司 | Central air conditioner cold energy distribution method and system |
| CN113932375A (en) * | 2021-10-26 | 2022-01-14 | 宁波奥克斯电气股份有限公司 | Household charging method of multi-split system and multi-split system |
| CN115307282A (en) * | 2022-07-20 | 2022-11-08 | 四川虹美智能科技有限公司 | Multi-split electricity sharing system and method |
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