Multi-split air conditioner, electric power detection control method therefor, controller thereof, and storage medium

Abstract

Embodiments of the present application set forth a multi-split air conditioner, an electric power detection control method therefor, a controller thereof, and a storage medium. The electric power detection control method comprises the following steps: acquiring total power of an outdoor unit, the total energy demand of all indoor units, and the sub-energy demand of a target indoor unit (S210); based on the total power of the outdoor unit, the total energy demand and the sub-energy demand, determining the outdoor unit allocation power assigned to the target indoor unit (S220); and sending the outdoor unit allocation power to the target indoor unit, so as to cause the target indoor unit to determine electric consumption of the target indoor unit based on the outdoor unit allocation power (S230).

Description

Multi-connected air conditioner, power detection control method, controller and storage medium thereof

[0001] Cross-reference to Related Applications

[0002] The present application claims priority to the Chinese patent application No. 202411237238.6, filed on September 4, 2024, and entitled "Multi-connected air conditioner, power detection control method, controller and storage medium thereof", the content of the above patent application is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application relates to the technical field of air conditioners, and in particular to a multi-connected air conditioner, a power detection control method, a controller and a storage medium thereof. BACKGROUND

[0004] In the related art, with the promotion of energy-saving policies in some regions and countries, the display of the power consumption of the indoor unit at the end can help consumers to more visually understand the energy consumption, thereby guiding consumers to use energy-savingly, and the government will give a certain amount of subsidies. Specifically, for the current multi-group pipe multi-connected air conditioner, since the outdoor unit is powered, the power consumption of the outdoor unit generates refrigeration and heating capacity which is delivered to each indoor unit at the end through the refrigerant. For the indoor unit that is working, it is difficult to calculate its power contribution in the system, so it is difficult to allocate its corresponding power, and then it is difficult to detect the power consumption. At present, there is no technology that can display the power consumption of each indoor unit at the end when it is working. SUMMARY

[0005] The present application aims to at least partially solve one of the technical problems existing in the prior art. To this end, the present application proposes a multi-connected air conditioner, a power detection control method, a controller and a storage medium, which aims to enable the indoor unit at the end to display its power consumption, thereby meeting the use requirements of customers.

[0006] In a first aspect, an embodiment of the present application provides a power detection control method of a multi-connected air conditioner, the multi-connected air conditioner comprising an outdoor unit and a plurality of indoor units; the method is applied to the outdoor unit, and comprises:

[0007] obtaining an outdoor unit total power of the outdoor unit, a total energy demand of all the indoor units, and a sub-energy demand of a target indoor unit;

[0008] determining an outdoor unit allocated power of the outdoor unit allocated to the target indoor unit according to the outdoor unit total power, the total energy demand and the sub-energy demand; and

[0009] sending the outdoor unit allocated power to the target indoor unit, so that the target indoor unit determines the power consumption of the target indoor unit based on the outdoor unit allocated power.

[0010] According to some embodiments of the present application, the obtaining the total power of the outdoor unit comprises:

[0011] obtaining the total power of the compressor and the motor, the valve power of the outdoor unit and the auxiliary electric heating power of the outdoor unit; and

[0012] superimposing the total power of the compressor and the motor, the valve power of the outdoor unit and the auxiliary electric heating power of the outdoor unit to obtain the total power of the outdoor unit.

[0013] According to some embodiments of the present application, the total power of the compressor and the motor is obtained by:

[0014] detecting the supply voltage and the supply current through the main control board of the outdoor unit; and

[0015] calculating the total power of the compressor and the motor according to the supply voltage and the supply current.

[0016] According to some embodiments of the present application, the valve power of the outdoor unit is obtained by:

[0017] determining the number of the outdoor unit valves in the power-on working state; and

[0018] calculating the valve power of the outdoor unit according to the number of the outdoor unit valves and the preset power-on power of a single valve.

[0019] According to some embodiments of the present application, the auxiliary electric heating power of the outdoor unit is obtained by:

[0020] determining the working state of the compressor electric heating band and the chassis electric heating band;

[0021] determining the compressor electric heating band power and the chassis electric heating band power according to the working state; and

[0022] superimposing the compressor electric heating band power and the chassis electric heating band power to obtain the auxiliary electric heating power of the outdoor unit.

[0023] According to some embodiments of the present application, the determining the working state of the compressor electric heating band and the chassis electric heating band comprises:

[0024] obtaining the outdoor environment temperature; and

[0025] determining the working state of the compressor electric heating band and the chassis electric heating band according to the outdoor environment temperature.

[0026] According to some embodiments of the present application, the determining the working state of the compressor electric heating band and the chassis electric heating band according to the outdoor environment temperature comprises:

[0027] determining that the outdoor unit is in a standby state;

[0028] when the outdoor ambient temperature is greater than or equal to a first preset temperature and less than or equal to a second preset temperature, performing a loop operation of starting the compressor electric heating belt and the bottom plate electric heating belt and continuously operating for a first preset time length, and then stopping the compressor electric heating belt and the bottom plate electric heating belt and continuously stopping for a second preset time length; and

[0029] when the outdoor ambient temperature is less than the first preset temperature, keeping the compressor electric heating belt and the bottom plate electric heating belt started.

[0030] According to some embodiments of the present application, the determination of the working state of the compressor electric heating belt and the bottom plate electric heating belt according to the outdoor ambient temperature further comprises:

[0031] determining that the outdoor unit is in a startup state;

[0032] when the outdoor ambient temperature is less than or equal to a second preset temperature, keeping the compressor electric heating belt and the bottom plate electric heating belt started; and

[0033] when the outdoor ambient temperature is greater than a third preset temperature, closing the compressor electric heating belt and the bottom plate electric heating belt, wherein the third preset temperature is greater than the second preset temperature.

[0034] In a second aspect, embodiments of the present application provide an electric quantity detection control method of a multi-connected air conditioner, the multi-connected air conditioner comprising an outdoor unit and a plurality of indoor units; the method is applied to a target indoor unit and comprises:

[0035] obtaining an outdoor unit distribution power sent by the outdoor unit, wherein the outdoor unit distribution power is determined by the outdoor unit according to an outdoor unit total power, a total energy demand of all the indoor units, and a sub-energy demand of the target indoor unit; and

[0036] determining an electric quantity of the target indoor unit according to the outdoor unit distribution power.

[0037] According to some embodiments of the present application, the determination of the electric quantity of the target indoor unit according to the outdoor unit distribution power comprises:

[0038] obtaining an indoor unit loss power of the target indoor unit;

[0039] superimposing the outdoor unit distribution power and the indoor unit loss power to obtain an indoor unit total power of the target indoor unit; and

[0040] The total power consumption of the target indoor unit is calculated according to the total power of the indoor unit, and the total power consumption value of the target indoor unit is obtained according to the stage power consumption value and a pre-stored power consumption value.

[0041] According to some embodiments of the present application, the sub-power requirement of the target indoor unit is determined by the following steps:

[0042] The power requirement reference value, the wind speed coefficient and the number of matches of the target indoor unit are obtained; and

[0043] The sub-power requirement of the target indoor unit is determined according to the power requirement reference value, the wind speed coefficient and the number of matches.

[0044] According to some embodiments of the present application, the power requirement reference value is determined by the following steps:

[0045] The indoor environment temperature is obtained;

[0046] The capacity requirement range of the target indoor unit is determined according to the temperature difference between the indoor environment temperature and the indoor set temperature; and

[0047] The power requirement reference value is determined according to the capacity requirement range, wherein, in the cooling mode, the power requirement reference value and the temperature difference corresponding to the capacity requirement range have a positive correlation relationship; in the heating mode, the power requirement reference value and the temperature difference corresponding to the capacity requirement range have a negative correlation relationship.

[0048] According to some embodiments of the present application, the wind speed coefficient is determined by the following steps:

[0049] The indoor fan speed of the target indoor unit is obtained; and

[0050] The wind speed coefficient is determined according to the indoor fan speed, wherein the wind speed coefficient and the indoor fan speed have a positive correlation relationship.

[0051] In a third aspect, embodiments of the present application provide an outdoor unit, comprising a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to perform the power detection control method of the multi-connected air conditioner of the first aspect.

[0052] In a fourth aspect, embodiments of the present application provide an indoor unit, comprising a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to perform the power detection control method of the multi-connected air conditioner of the second aspect.

[0053] In a fifth aspect, embodiments of the present application provide a multi-connected air conditioner, comprising the outdoor unit of the third aspect or the indoor unit of the fourth aspect.

[0054] In a sixth aspect, an embodiment of the present application provides a computer readable storage medium storing computer executable instructions for performing the power detection control method of the multi-connected air conditioner according to the first aspect or the second aspect.

[0055] In a seventh aspect, an embodiment of the present application provides a computer program product, including a computer program or computer instructions, wherein the computer program or the computer instructions are stored in a computer readable storage medium, a processor of a computer device reads the computer program or the computer instructions from the computer readable storage medium, and the processor executes the computer program or the computer instructions, so that the computer device performs the power detection control method of the multi-connected air conditioner according to the first aspect or the second aspect.

[0056] According to the technical scheme of the embodiment of the present application, at least the following beneficial effects are achieved: the embodiment of the present application provides a way that each indoor unit end can display its own power consumption, first, the outdoor unit determines the outdoor unit distribution power of the target indoor unit according to the total power of the outdoor unit, the total energy demand of all indoor units and the sub energy demand of the target indoor unit, and then the target indoor unit calculates its own power consumption based on the outdoor unit distribution power; therefore, the embodiment of the present application determines the outdoor unit distribution power of each indoor unit according to the energy demand distribution, and then further calculates the individual power consumption of each indoor unit, realizes the purpose that the indoor unit end can display its power consumption, and meets the use requirement of the customer and the government subsidy requirement.

[0057] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0058] The accompanying drawings are included to provide a further understanding of the technical scheme of the present application, and constitute a part of the specification, and are used to explain the technical scheme of the present application together with the embodiments of the present application, and do not constitute a limitation on the technical scheme of the present application.

[0059] FIG. 1 is a structural schematic diagram of a multi-connected air conditioner according to an embodiment of the present application;

[0060] FIG. 2 is a flow chart of a power detection control method of a multi-connected air conditioner according to an embodiment of the present application;

[0061] FIG. 3 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0062] FIG. 4 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0063] Fig. 5 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0064] Fig. 6 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0065] Fig. 7 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0066] Fig. 8 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0067] Fig. 9 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0068] Fig. 10 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0069] Fig. 11 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0070] Fig. 12 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0071] Fig. 13 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0072] Fig. 14 is a flow chart of a power detection control method of a multi-connected air conditioner according to another embodiment of the present application;

[0073] Fig. 15 is a diagram for determining a capacity demand range in a cooling mode according to an embodiment of the present application;

[0074] Fig. 16 is a diagram for determining a capacity demand range in a heating mode according to an embodiment of the present application;

[0075] Fig. 17 is a diagram of a controller for performing a power detection control method of a multi-connected air conditioner according to an embodiment of the present application. DETAILED DESCRIPTION

[0076] Embodiments of the present application are described in detail below with reference to the attached drawings, wherein the same or like reference numerals and signs are used to indicate the same or like components throughout the several views. The embodiments described below are examples in which the present application can be implemented, and are merely for the purpose of explanation and are not to be construed as limiting the present application.

[0077] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0078] In the description of the present application, one or more is understood as one or more, more than two is understood as more than two, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0079] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting and the like should be broadly understood, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0080] In some cases, with the promotion of energy-saving policies in some regions and countries, the display of the power consumption of the indoor unit at the end can help consumers to more visually understand the energy consumption, thereby guiding consumers to use energy-saving, and the government will give a certain amount of subsidies. Specifically, for the current multi-group pipe multi-split air conditioner, since the outdoor unit is powered, the power consumption of the outdoor unit generates refrigeration and heating capacity which is delivered to each indoor unit by refrigerant. For the indoor unit which is working among the air conditioners, it is difficult to calculate its power consumption contribution in the system, so it is difficult to allocate its corresponding power, and then it is difficult to detect the power consumption. At present, there is no technology that can display the individual power consumption of each indoor unit at the end when it is working.

[0081] Based on the above situation, the embodiments of the present application propose a multi-split air conditioner and an electric quantity detection control method, a controller and a storage medium thereof, aiming to realize that the indoor unit at the end can display its power consumption, thereby meeting the use demand of customers.

[0082] The embodiments of the multi-split air conditioner of the present application will be further described below in combination with the drawings.

[0083] As shown in FIG. 1, FIG. 1 is a structural schematic diagram of a multi-split air conditioner provided by an embodiment of the present application.

[0084] In an embodiment, the multi-split air conditioner comprises an outdoor unit 100 and a plurality of indoor units 200, and one outdoor unit 100 is connected to a plurality of indoor units 200 at the same time.

[0085] In an embodiment, as shown in FIG. 1, the indoor unit 200 includes but is not limited to the indoor heat exchanger 210 and the indoor fan 220.

[0086] In an embodiment, the indoor unit 200 can be other types of indoor unit terminals in addition to the indoor heat exchanger 210 and the indoor fan 220, such as a domestic water heater or a floor heating system, etc.

[0087] In an embodiment, as shown in FIG. 1, the outdoor unit 100 includes but is not limited to the compressor 110, the outdoor heat exchanger 120, the outdoor fan 130 and various types of outdoor unit valves, wherein the outdoor unit valves can include but are not limited to the four-way valve 151, the electronic expansion valve 152 or the stop valve 153, and the four ports of the four-way valve 151 are respectively connected to the exhaust port, the return gas port of the compressor 110, the outdoor heat exchanger 120 and the indoor heat exchanger 210.

[0088] In an embodiment, as shown in FIG. 1, the outdoor unit 100 includes but is not limited to the gas-liquid separator 140, wherein one end of the gas-liquid separator 140 is connected to the four-way valve 151, and the other end is connected to the return gas port of the compressor 110.

[0089] Based on the hardware structure of the multi-connected air conditioner according to the above various embodiments, the following respectively proposes various embodiments of the power detection control method of the multi-connected air conditioner executed by the outdoor unit side of the present application.

[0090] As shown in FIG. 2, FIG. 2 is a flowchart of the power detection control method of the multi-connected air conditioner executed by the outdoor unit side of an embodiment of the present application; the power detection control method of the multi-connected air conditioner can include but is not limited to step S210, step S220 and step S230.

[0091] Step S210, obtaining the total power of the outdoor unit, the total energy demand of all indoor units and the sub-energy demand of the target indoor unit;

[0092] Step S220, determining the outdoor unit distribution power of the target indoor unit according to the total power of the outdoor unit, the total energy demand and the sub-energy demand;

[0093] Step S230, sending the outdoor unit distribution power to the target indoor unit, so that the target indoor unit determines the power consumption of the target indoor unit based on the outdoor unit distribution power.

[0094] In one embodiment, the outdoor unit will calculate its own total outdoor unit power and receive the capacity demand (energy demand) sent by each indoor unit. Then, the indoor unit will sum up the energy demands of all indoor units to obtain the total energy demand of all indoor units. If a certain indoor unit, i.e. the target indoor unit, needs to display its power consumption, the outdoor unit will calculate the proportion of the target indoor unit's sub-energy demand to the total energy demand of all indoor units. Then, based on the total outdoor unit power, it will calculate the outdoor unit power allocated to the target indoor unit by multiplying the proportion and send the outdoor unit power allocation to the target indoor unit. Finally, the target indoor unit will calculate its power consumption based on the outdoor unit power allocation.

[0095] It is worth noting that the embodiments of this application provide a way to display the individual power consumption of each indoor unit terminal. Specifically, the embodiments of this application determine the power allocation of each indoor unit to the outdoor unit based on the energy demand allocation situation, and then can further calculate the individual power consumption of each indoor unit, so as to achieve the purpose of displaying the power consumption of the indoor unit terminal, thereby meeting the user needs and government subsidy requirements.

[0096] Additionally, as shown in Figure 3, which is a flowchart of a power detection and control method for a multi-split air conditioner performed by the outdoor unit side according to another embodiment of this application; the process of obtaining the total power of the outdoor unit in step S210 may include, but is not limited to, steps S310 and S320.

[0097] Step S310: Obtain the total power of the compressor and motor of the outdoor unit, the power of the valves of the outdoor unit, and the power of the auxiliary electric heating of the outdoor unit;

[0098] Step S320: Add the total power of the two, the power of the outdoor unit valves, and the power of the outdoor unit auxiliary electric heating to obtain the total power of the outdoor unit.

[0099] In one embodiment, since the outdoor unit contains various valves in addition to high-power components such as compressors and fan motors, and may also be equipped with auxiliary electric heating belts, in order to comprehensively calculate the total power of the outdoor unit, it is necessary to add up the total power of the compressor and motor, the power of the various valves, and the auxiliary electric heating power of the auxiliary electric heating belt to obtain the final accurate total power of the outdoor unit.

[0100] Therefore, the formula for calculating the total power of the outdoor unit is as follows: P ODU =P motor +P 4WV +P PTC , where P ODU P represents the total power of the outdoor unit. motor P is the total power of the compressor and the motor.4WV P is the total power of the compressor and the motor PTC P is the auxiliary electric heating power of the outdoor unit.

[0101] In addition, as shown in FIG. 4, FIG. 4 is a flowchart of the electric quantity detection control method of the multi-connected air conditioner executed by the outdoor unit side according to another embodiment of the present application. As to the process of obtaining the total power of the compressor and the motor in step S310, it can include but is not limited to step S410 and step S420.

[0102] Step S410, detecting the supply voltage and the supply current through the outdoor unit main control board;

[0103] Step S420, calculating the total power of the compressor and the motor according to the supply voltage and the supply current.

[0104] In an embodiment, as to the calculation of the total power of the compressor and the motor, the supply voltage and the supply current can be detected, and the total power of the compressor and the motor can be calculated according to the following calculation formula: P motor = U*I, wherein U is the supply voltage and I is the supply current.

[0105] In addition, as shown in FIG. 5, FIG. 5 is a flowchart of the electric quantity detection control method of the multi-connected air conditioner executed by the outdoor unit side according to another embodiment of the present application. As to the process of obtaining the total power of the compressor and the motor in step S310, it can include but is not limited to step S410 and step S420.

[0106] Step S510, determining the number of outdoor unit valves in the power-on working state;

[0107] Step S520, calculating the outdoor unit valve power according to the number of outdoor unit valves and the preset power-on power of a single valve.

[0108] In an embodiment, as to the calculation of the outdoor unit valve power, the number of outdoor unit valves in the power-on working state can be counted, and the outdoor unit valve power can be calculated according to the preset power-on power of a single outdoor unit valve through the following calculation formula: P 4WV = p*N, wherein p is the preset power-on power of a single outdoor unit valve and N is the number of outdoor unit valves in the power-on working state.

[0109] In addition, as shown in FIG. 6, FIG. 6 is a flowchart of the electric quantity detection control method of the multi-connected air conditioner executed by the outdoor unit side according to another embodiment of the present application. As to the process of obtaining the total power of the compressor and the motor in step S310, it can include but is not limited to step S410 and step S420.

[0110] Step S610, determine the working state of the compressor electric heating band and the chassis electric heating band;

[0111] Step S620, determine the compressor electric heating band power and the chassis electric heating band power according to the working state;

[0112] Step S630, superimpose the compressor electric heating band power and the chassis electric heating band power to obtain the outdoor unit auxiliary electric heating power.

[0113] The compressor electric heating band is an electric heating element installed inside the compressor, mainly used to heat the inside of the compressor in low temperature environment, prevent condensate water from freezing or solidifying, and ensure the normal operation of the compressor. In winter or extremely cold environment, the role of electric heating band is particularly important, it usually starts automatically when the temperature drops to a certain extent, to ensure that the inside of the compressor maintains a suitable working temperature. The working principle of compressor electric heating band is mainly through the current flowing through the resistance wire to generate heat, and transfer the heat to the surrounding environment or object, to achieve the purpose of heating. It has the characteristics of high flexibility, high efficiency, energy saving, convenient control and long service life. The compressor electric heating band can be customized according to the required shape and size, to adapt to different equipment and places.

[0114] The chassis electric heating band is an important component in air conditioning system, mainly used to prevent the air conditioner outdoor unit chassis from icing in low temperature environment, affecting the normal operation and efficiency of air conditioner. Specifically: the role of chassis electric heating band includes: in winter heating state, prevent the chassis from icing after the condenser enters defrosting mode, to ensure the normal operation of the unit. Its working principle is: when the chassis electric heating band is powered on, the internal resistance wire generates heat to achieve the purpose of deicing.

[0115] In an embodiment, for the calculation of outdoor unit auxiliary electric heating power, the compressor electric heating band power and the chassis electric heating band power need to be calculated at the same time, and the sum of the two is the outdoor unit auxiliary electric heating power.

[0116] In addition, as shown in FIG. 7, FIG. 7 is a flow chart of the electric quantity detection control method of the multi-connected air conditioner executed by the outdoor unit side according to another embodiment of the present application; regarding the above step S610, it can include but is not limited to step S710 and step S720.

[0117] Step S710, obtain the outdoor environment temperature;

[0118] Step S720, determine the working state of the compressor electric heating band and the chassis electric heating band according to the outdoor environment temperature.

[0119] In an embodiment, if the outdoor ambient temperature is low, it can cause frosting or icing, and therefore, the embodiment of the application needs to determine the working state of the compressor electric heating belt and the bottom plate electric heating belt according to the outdoor ambient temperature.

[0120] In addition, as shown in FIG. 8, which is a flowchart of the electric quantity detection control method of the multi-connected air conditioner executed by the outdoor unit side according to another embodiment of the application; regarding the above step S720, it can include but is not limited to step S810, step S820 and step S830.

[0121] Step S810, determining that the outdoor unit is in a standby state;

[0122] Step S820, when the outdoor ambient temperature is greater than or equal to a first preset temperature and less than or equal to a second preset temperature, performing the following loop operation: starting the compressor electric heating belt and the bottom plate electric heating belt and running for a first preset time, and then stopping the compressor electric heating belt and the bottom plate electric heating belt and stopping for a second preset time;

[0123] Step S830, when the outdoor ambient temperature is less than the first preset temperature, keeping starting the compressor electric heating belt and the bottom plate electric heating belt.

[0124] In an embodiment, in the case that the outdoor unit is in a standby state, if the outdoor ambient temperature is greater than or equal to a first preset temperature and less than or equal to a second preset temperature, that is, the outdoor ambient temperature is slightly low, at this time, the probability of frosting or icing is not high, and therefore, in order to prevent frosting or icing and at the same time to avoid high power consumption, the embodiment of the application will start the compressor electric heating belt and the bottom plate electric heating belt intermittently, for example, starting for a first preset time, then stopping for a second preset time, starting for a first preset time again, then stopping for a second preset time again, and so on. If the outdoor ambient temperature is less than the first preset temperature, at this time, the probability of frosting or icing is high, and therefore, in order to prevent frosting or icing, it is necessary to keep starting the compressor electric heating belt and the bottom plate electric heating belt.

[0125] It can be understood that, regarding the above first preset temperature and second preset temperature, the value of the first preset temperature is less than that of the second preset temperature, and the values of the first preset temperature and the second preset temperature can be preset, and the embodiment of the application does not make specific limitation thereon.

[0126] In addition, as shown in FIG. 9, which is a flowchart of the electric quantity detection control method of the multi-connected air conditioner executed by the outdoor unit side according to another embodiment of the application; regarding the above step S720, it can include but is not limited to step S910, step S920 and step S930.

[0127] Step S910, determining that the outdoor unit is in a running state;

[0128] Step S920, when the outdoor environment temperature is less than or equal to the second preset temperature, keeping the compressor electric heating belt and the chassis electric heating belt started;

[0129] Step S930, when the outdoor environment temperature is greater than the third preset temperature, closing the compressor electric heating belt and the chassis electric heating belt, wherein the third preset temperature is greater than the second preset temperature.

[0130] In an embodiment, in the case that the outdoor unit is in the start-up state, if the outdoor environment temperature is less than or equal to the second preset temperature, that is, the outdoor environment temperature is slightly low, however, in order to avoid affecting the normal operation of the devices of the outdoor unit such as the compressor, the embodiment of the present application needs to keep the compressor electric heating belt and the chassis electric heating belt started. If the outdoor environment temperature is greater than the third preset temperature, that is, the outdoor environment temperature is relatively high, at this time, it is difficult or impossible to frost or freeze, and for this, the embodiment of the present application can close the compressor electric heating belt and the chassis electric heating belt.

[0131] It can be understood that, regarding the above-mentioned third preset temperature, the value thereof is greater than the second preset temperature, and the value of the third preset temperature can be preset, and the embodiment of the present application does not make specific limitation thereto.

[0132] Based on the above-mentioned various embodiments of the electric quantity detection control method of the multi-connected air conditioner executed by the outdoor unit side, the following respectively proposes various embodiments of the electric quantity detection control method of the multi-connected air conditioner executed by the indoor unit side of the present application.

[0133] As shown in FIG. 10, FIG. 10 is a flow chart of the electric quantity detection control method of the multi-connected air conditioner executed by the indoor unit side according to an embodiment of the present application; the electric quantity detection control method of the multi-connected air conditioner can include but is not limited to step S1010 and step S1020.

[0134] Step S1010, acquiring the outdoor unit distribution power sent by the outdoor unit, wherein the outdoor unit distribution power is determined by the outdoor unit according to the total power of the outdoor unit, the total energy demand of all indoor units and the sub-energy demand of the target indoor unit;

[0135] Step S1020, determining the electric quantity of the target indoor unit according to the outdoor unit distribution power.

[0136] In an embodiment, the outdoor unit can statistically obtain its total outdoor unit power, and can also receive the capability demand, i.e. energy demand, sent by each indoor unit. Then, the indoor units can superimpose the energy demand of all indoor units to obtain the total energy demand of all indoor units. If a certain indoor unit, i.e. target indoor unit, needs to display the power consumption, the outdoor unit can calculate the proportion of the sub-energy demand of the target indoor unit in the total energy demand of all indoor units, and then calculate the outdoor unit distribution power allocated to the target indoor unit by the product of the total outdoor unit power and the proportion. The outdoor unit distribution power is sent to the target indoor unit. Finally, the target indoor unit can calculate its power consumption according to the outdoor unit distribution power.

[0137] It is worth noting that the embodiments of the present application provide a way that each indoor unit end can display its individual power consumption. Specifically, the embodiments of the present application determine the outdoor unit distribution power of each indoor unit through the energy demand allocation, and then can further calculate the individual power consumption of each indoor unit, so as to achieve the purpose that the indoor unit end can display its power consumption, thereby meeting the use requirements of customers and the government subsidy requirements.

[0138] As shown in FIG. 11, FIG. 11 is a flowchart of the power detection control method of the multi-connected air conditioner executed by the indoor unit side according to another embodiment of the present application. As to the step S1020, it can include but is not limited to the step S1110, the step S1120 and the step S1130.

[0139] The step S1110 is to obtain the indoor unit loss power of the target indoor unit.

[0140] The step S1120 is to superimpose the outdoor unit distribution power and the indoor unit loss power to obtain the total indoor unit power of the target indoor unit.

[0141] The step S1130 is to calculate the stage power consumption according to the total indoor unit power, and to obtain the total power consumption value of the target indoor unit according to the stage power consumption and the pre-stored power value.

[0142] In an embodiment, since there are various devices in the target indoor unit, there will be various consumptions, such as circuit board damage power, communication damage power or others. Therefore, the target indoor unit needs to superimpose the indoor unit loss power on the basis of the outdoor unit distribution power to obtain the total indoor unit power of the target indoor unit. After the total indoor unit power of the target indoor unit is calculated, the target indoor unit can also calculate the stage power consumption of each time stage according to the total indoor unit power, and then superimpose the stage power consumption on the basis of the pre-stored power value to obtain the total power consumption value of the target indoor unit.

[0143] As shown in FIG. 12, FIG. 12 is a flowchart of a power detection control method of a multi-connected air conditioner executed by the indoor unit side according to another embodiment of the present application; the obtaining process of the sub-energy requirement of the target indoor unit can include but is not limited to step S1210 and step S1220.

[0144] Step S1210, obtaining the energy requirement reference value, the fan speed coefficient and the HP number of the target indoor unit;

[0145] Step S1220, determining the sub-energy requirement of the target indoor unit according to the energy requirement reference value, the fan speed coefficient and the HP number.

[0146] In an embodiment, the sub-energy requirement of each indoor unit can be calculated by the following formula: Q cn = K_ΔT * K_fan * HP, wherein Q cn is the sub-energy requirement of each indoor unit, K_ΔT is the energy requirement reference value, K_fan is the fan speed coefficient of the indoor unit, and HP is the HP number.

[0147] As shown in FIG. 13, FIG. 13 is a flowchart of a power detection control method of a multi-connected air conditioner executed by the indoor unit side according to another embodiment of the present application; the obtaining process of the energy requirement reference value can include but is not limited to step S1310, step S1320 and step S1330.

[0148] Step S1310, obtaining the indoor environment temperature;

[0149] Step S1320, determining the capacity requirement range of the target indoor unit according to the temperature difference between the indoor environment temperature and the indoor set temperature;

[0150] Step S1330, determining the energy requirement reference value according to the capacity requirement range, wherein in the cooling mode, the energy requirement reference value and the temperature difference corresponding to the capacity requirement range are in a positive correlation; in the heating mode, the energy requirement reference value and the temperature difference corresponding to the capacity requirement range are in a negative correlation.

[0151] In an embodiment, the temperature difference between the indoor environment temperature and the indoor set temperature is calculated, wherein one temperature difference corresponds to one capacity requirement range, and then the energy requirement reference value is determined according to the capacity requirement range. In the cooling mode, if the temperature difference corresponding to the capacity requirement range is larger, the energy requirement reference value is larger; if the temperature difference corresponding to the capacity requirement range is smaller, the energy requirement reference value is smaller. In the heating mode, if the temperature difference corresponding to the capacity requirement range is larger, the energy requirement reference value is smaller; if the temperature difference corresponding to the capacity requirement range is smaller, the energy requirement reference value is larger.

[0152] As shown in FIG. 14, FIG. 14 is a flow chart of the power detection control method of the multi-connected air conditioner executed by the indoor unit side according to another embodiment of the present application; the process of obtaining the wind speed coefficient can include but is not limited to step S1410 and step S1420.

[0153] Step S1410, obtaining the indoor fan wind speed of the target indoor unit.

[0154] Step S1420, determining the wind speed coefficient according to the indoor fan wind speed, wherein the wind speed coefficient and the indoor fan wind speed are in a positive correlation.

[0155] In an embodiment, the embodiment of the present application obtains the indoor fan wind speed of the target indoor unit, wherein different wind speeds correspond to different wind speed coefficients, if the indoor fan wind speed is larger, the wind speed coefficient is larger; if the indoor fan wind speed is smaller, the wind speed coefficient is smaller.

[0156] In addition, the number of matches is related to the nominal refrigerating capacity of the target indoor unit, if the nominal refrigerating capacity is larger, the number of matches is larger; if the nominal refrigerating capacity is smaller, the number of matches is smaller.

[0157] Based on the power detection control method of the multi-connected air conditioner according to each of the above embodiments, the overall embodiment of the power detection control method of the multi-connected air conditioner of the present application is proposed as follows.

[0158] First, in order to facilitate subsequent description, the following parameters are defined: T1 is the indoor environment temperature; Ts is the indoor set temperature.

[0159] 1. Power detection function running logic overview:

[0160] The outdoor unit detects the total power of the outdoor unit, and distributes the power to the running terminal (indoor unit) according to the relevant rules, and the corresponding terminal (indoor unit) performs relevant calculation and correction according to its own rules, and finally displays the power consumption.

[0161] 2. Control logic:

[0162] After the unit is powered on, the power detection starts to work.

[0163] Detection cycle, when the total power of the outdoor unit is greater than the preset threshold, for example, the total power of the outdoor unit P ODU > 0.15kW, distribution is performed.

[0164] 2.1. Outdoor unit power calculation:

[0165] The total power of the outdoor unit P ODU is composed of the detection power of the compressor, the motor, the valve and the auxiliary electric heating, and the calculation method is as follows:

[0166] P ODU = Pmot0r +P 4WV +P PTC , wherein, P ODU is the total power of the outdoor unit, P motor is the total power of the compressor and the motor, P 4WV is the valve power of the outdoor unit, P PTC is the auxiliary electric heating power of the outdoor unit.

[0167] 1) The total power P motor of the compressor and the motor of the outdoor unit is detected by the PFC circuit of the main control board of the outdoor unit, and then calculated according to the power formula P motor = U * I, wherein the detection frequency can be 1 time / 2 seconds, and the range can be 1 time / 2-15 seconds.

[0168] 2) The valve power P 4WV = p * N of the outdoor unit is calculated according to the number N of valves that are currently powered on according to the outdoor unit mode, and then multiplied by the single valve power P1 to obtain the total valve power. For example, if the power of the four-way valve shown in FIG. 1 needs to be calculated, the specific calculation is shown in Table 1 below:

[0169] Table 1

[0170] 3) The auxiliary electric heating power P PTC = P2 + P3 of the outdoor unit is calculated according to the opening time of the electric heating of the outdoor unit, and the corresponding compressor electric heating band power P2 and chassis electric heating band power P3 are added, wherein different models correspond to different compressor electric heating band power P2 and chassis electric heating band power P3.

[0171] The specific control of the electric heating of the outdoor unit is as follows:

[0172] The electric heating band of the outdoor unit must meet the following conditions from off to on:

[0173] (1) In standby state:

[0174] A. If the outdoor environment temperature T4 sensed by the temperature sensing bag is a ≤ T4 ≤ b; the value range of a can be 0-4℃, for example 0℃, and the value range of b can be 3-6℃, for example 4℃, wherein the range a < b.

[0175] From the time the compressor enters the stop state, after t1 minutes (t1 can be in the range of 30-120 min, for example 60 min), if the temperature range is met, the bottom plate electric heating belt and the compressor electric heating belt are started, and after starting, they are run for at least t2 (t2 can be in the range of 3-15 min, for example 5 min) [wherein, during these t2 minutes, unless T4 > c (c can be in the range of 6-12°C, for example 8°C), the electric heating is not turned off], and then stopped for t1 minutes, and then judged to meet the temperature range, the electric heating belt is started. This cycle is repeated.

[0176] B. If T4 < a, the bottom plate electric heating belt and the compressor electric heating belt are always on.

[0177] C. If T4 < a becomes a ≤ T4 ≤ b, the electric heating belt is first forced to run for t2, and then stopped for t1 minutes, wherein if the running time has exceeded t2 minutes, it is immediately stopped.

[0178] (2) In the on state:

[0179] If T4 ≤ b, the bottom plate electric heating belt and the compressor electric heating belt are always on.

[0180] The condition for turning off the electric heating belt:

[0181] A. If the outdoor ambient temperature is higher than c, the bottom plate electric heating belt and the compressor electric heating belt are forced to be turned off.

[0182] 2.2, power distribution and sending

[0183] 1), distribution rule

[0184] Refrigeration: calculate the total energy demand Q according to "the capacity demand of the indoor unit" c , and the energy demand Q of each indoor unit cn , then the allocated power P of each indoor unit corresponding to the outdoor unit CN = P ODU * Q cn / Q c .

[0185] Heating: calculate the total energy demand Q according to "the capacity demand of the indoor unit" H , and the energy demand Q of each indoor unit Hn , then the allocated power P of each indoor unit corresponding to the outdoor unit CN = P ODU * Q Hn / Q H .

[0186] 2), indoor unit energy demand calculation

[0187] (1) Air conditioner indoor unit refrigeration

[0188] The cooling capacity requirement Q of each indoor unit cn = K_AT * K_fan * HP

[0189] Wherein, K_AT is the difference value coefficient of indoor temperature and set temperature, i.e. the above-mentioned energy requirement reference value, which can be obtained by Figure 15 and Table 2 below:

[0190] Table 2

[0191] K_fan is the indoor fan speed coefficient, which can be obtained by Table 3 below:

[0192] According to the following table query (the default is high wind when the automatic wind is processed):

[0193] Table 3

[0194] HP is as follows: the indoor unit HP corresponding to the nominal refrigerating capacity 2000W is 0.8; the indoor unit HP corresponding to 2600W is 1.0; the indoor unit HP corresponding to 3200 / 3500W is 1.2; the indoor unit HP corresponding to 4800 / 5300W is 1.5; the indoor unit HP corresponding to 7000W is 2.5.

[0195] (2) Heat generation of air conditioner indoor unit

[0196] The heating capacity requirement Q of each indoor unit Hn = K_AT * K_fan * HP

[0197] Wherein, K_AT is the difference value coefficient of indoor temperature and set temperature, which can be obtained by Figure 16 and Table 4 below:

[0198] Table 4

[0199] K_fan is the indoor fan speed coefficient, which can be obtained by Table 5 below:

[0200] According to the following table query (the default is high wind when the automatic wind is processed):

[0201] Table 5

[0202] HP is as follows: the indoor unit HP corresponding to the nominal refrigerating capacity 2000W is 0.8; the indoor unit HP corresponding to 2600W is 1.0; the indoor unit HP corresponding to 3200 / 3500W is 1.2; the indoor unit HP corresponding to 4800 / 5300W is 1.5; the indoor unit HP corresponding to 7000W is 2.5.

[0203] 2) Power transmission

[0204] The rated power of the outdoor unit, the total power of the system, and the distributed power of the outdoor unit are sent to the corresponding indoor unit, and are sent according to a preset sending period, where the preset sending period can be set arbitrarily, for example, 30 seconds.

[0205] Based on the power detection control method of the multi-connected air conditioner in each of the above embodiments, the embodiments of the present application can split the power consumed by each working indoor unit in the outdoor unit and the power consumed by the indoor unit itself according to the characteristics of the multi-connected unit, the demand of the indoor unit, and the corresponding refrigeration rules, and obtain the power consumed by the indoor unit by cumulative calculation, thereby meeting the demand of the customer and the requirement of the government subsidy.

[0206] Based on the power detection control method of the multi-connected air conditioner in each of the above embodiments, the embodiments of the controller, the outdoor unit, the indoor unit, the multi-connected air conditioner, the computer readable storage medium, and the computer program product of the present application are respectively proposed.

[0207] As shown in FIG. 17, FIG. 17 is a schematic diagram of a controller for performing the power detection control method of the multi-connected air conditioner according to an embodiment of the present application. The controller 300 according to the embodiment of the present application includes a processor 310, a memory 320, and a computer program stored in the memory 320 and executable on the processor 310, where one processor 310 and one memory 320 are taken as an example in FIG. 17.

[0208] The processor 310 and the memory 320 can be connected through a bus or other means, and the connection through the bus is taken as an example in FIG. 17.

[0209] The memory 320 is a non-transitory computer readable storage medium, which can be used to store non-transitory software programs and non-transitory computer executable programs. In addition, the memory 320 can include a high-speed random access memory, and can also include a non-transitory memory, for example, at least one magnetic disk storage device, a flash memory device, or other non-transitory solid-state memory device. In some embodiments, the memory 320 can optionally include a memory 320 remotely arranged relative to the processor 310, and these remote memories 320 can be connected to the controller 300 through a network. Examples of the above network include but are not limited to the Internet, an intranet, a local area network, a mobile communication network, and a combination thereof.

[0210] Those skilled in the art can understand that the device structure shown in FIG. 17 does not constitute a limitation on the controller 300, and can include more or fewer components than those shown, or combine certain components, or different component arrangements.

[0211] In the controller 300 shown in FIG. 17, the processor 310 can be configured to invoke the control program stored in the memory 320, so as to implement the power detection control method of the multi-connected air conditioner. Specifically, the non-transitory software program and instructions required for implementing the power detection control method of the multi-connected air conditioner of the above embodiments are stored in the memory 320, and when executed by the processor 310, the power detection control method of the multi-connected air conditioner of the above embodiments is performed.

[0212] It is worth noting that since the controller 300 of the embodiments of the present application can perform the power detection control method of the multi-connected air conditioner of any of the above embodiments, the specific implementation and technical effects of the controller 300 of the embodiments of the present application can be referred to the specific implementation and technical effects of the power detection control method of the multi-connected air conditioner of any of the above embodiments.

[0213] In addition, one embodiment of the present application further provides an outdoor unit, which comprises the controller of the above embodiments.

[0214] It is worth noting that since the outdoor unit of the embodiments of the present application comprises the controller of the above embodiments, and the controller of the above embodiments can perform the power detection control method of the multi-connected air conditioner of any of the above embodiments, the specific implementation and technical effects of the outdoor unit of the embodiments of the present application can be referred to the specific implementation and technical effects of the power detection control method of the multi-connected air conditioner of any of the above embodiments.

[0215] In addition, one embodiment of the present application further provides an indoor unit, which comprises the controller of the above embodiments.

[0216] It is worth noting that since the indoor unit of the embodiments of the present application comprises the controller of the above embodiments, and the controller of the above embodiments can perform the power detection control method of the multi-connected air conditioner of any of the above embodiments, the specific implementation and technical effects of the indoor unit of the embodiments of the present application can be referred to the specific implementation and technical effects of the power detection control method of the multi-connected air conditioner of any of the above embodiments.

[0217] In addition, one embodiment of the present application further provides a multi-connected air conditioner, which comprises the outdoor unit and / or the indoor unit of the above embodiments.

[0218] It is worth noting that since the multi-connected air conditioner of the embodiment of the present application comprises the outdoor unit and / or the indoor unit of the above-mentioned embodiments, the outdoor unit or the indoor unit of the above-mentioned embodiments comprises the controller of the above-mentioned embodiments, and the controller of the above-mentioned embodiments can perform the power detection control method of the multi-connected air conditioner of any one of the above-mentioned embodiments, therefore, the specific implementation and technical effects of the multi-connected air conditioner of the embodiment of the present application can refer to the specific implementation and technical effects of the power detection control method of the multi-connected air conditioner of any one of the above-mentioned embodiments.

[0219] In addition, one embodiment of the present application also provides a computer readable storage medium, which stores computer executable instructions for executing the power detection control method of the multi-connected air conditioner described above. Exemplarily, the method steps in FIGS. 2 to 14 described above are executed.

[0220] It is worth noting that since the computer readable storage medium of the embodiment of the present application can perform the power detection control method of the multi-connected air conditioner of any one of the above-mentioned embodiments, therefore, the specific implementation and technical effects of the computer readable storage medium of the embodiment of the present application can refer to the specific implementation and technical effects of the power detection control method of the multi-connected air conditioner of any one of the above-mentioned embodiments.

[0221] In addition, one embodiment of the present application also provides a computer program product, which comprises a computer program or computer instructions stored in a computer readable storage medium, and a processor of a computer device reads the computer program or computer instructions from the computer readable storage medium, and the processor executes the computer program or computer instructions, so that the computer device executes the power detection control method of the multi-connected air conditioner described above. Exemplarily, the method steps in FIGS. 2 to 14 described above are executed.

[0222] It is worth noting that since the computer program product of the embodiment of the present application can perform the power detection control method of the multi-connected air conditioner of any one of the above-mentioned embodiments, therefore, the specific implementation and technical effects of the computer program product of the embodiment of the present application can refer to the specific implementation and technical effects of the power detection control method of the multi-connected air conditioner of any one of the above-mentioned embodiments.

[0223] Those of ordinary skill in the art will appreciate that all or some steps, systems of the above-disclosed methods can be implemented as software, firmware, hardware, or suitable combinations thereof. Some or all of the physical components can be implemented as software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or as hardware, or as an integrated circuit, such as an application- specific integrated circuit. Such software can be distributed on computer readable media, which can comprise computer storage media (or non-transitory media) and communication media (or transitory media). As is well known to those of ordinary skill in the art, computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Further, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.

[0224] It should be understood that in this application, "at least one" means one or more, and "multiple" means two or more. "And / or" is used to describe the association relationship of the associated objects, which means that there can be three relationships, for example, "A and / or B" can mean that there are three cases of only A, only B, and A and B at the same time, where A and B can be singular or plural. The character " / " generally represents that the associated objects before and after are in an "or" relationship. "At least one of the following" or the like means any combination of these items, including any combination of single or multiple items. For example, at least one of a, b or c can mean a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, and c can be single or multiple.

[0225] In several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method can be implemented in other manners. For example, the apparatus embodiments described above are merely schematic. For example, the division of the units is only a logical function division. For another example, there can be another division manner for the actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections can be indirect couplings or communication connections through some interfaces, apparatuses or units, and can be in electrical, mechanical or other forms.

[0226] It should also be understood that various embodiments provided by the embodiments of the present application can be combined to achieve different technical effects.

[0227] The above is a specific description of the preferred embodiments of the present application, but the present application is not limited to the above embodiments. Those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are included in the scope defined by the claims of the present application.

Claims

1. A power consumption detection control method of a multi-type air conditioner, wherein, The multi-connected air conditioner comprises an outdoor unit and multiple indoor units; The method is applied to the outdoor unit and comprises: obtaining total power of the outdoor unit, total energy demand of all the indoor units and sub energy demand of a target indoor unit; determining outdoor unit distribution power of the outdoor unit distributed to the target indoor unit according to the total power of the outdoor unit, the total energy demand and the sub energy demand; and sending the outdoor unit distribution power to the target indoor unit, so that the target indoor unit determines power consumption of the target indoor unit based on the outdoor unit distribution power.

2. The method of claim 1, wherein, The obtaining of the total power of the outdoor unit comprises: obtaining total power of compressors and motors, outdoor unit valve power and outdoor unit auxiliary electric heating power of the outdoor unit; and superimposing the total power of the compressors and the motors, the outdoor unit valve power and the outdoor unit auxiliary electric heating power to obtain the total power of the outdoor unit.

3. The method of claim 2, wherein, The total power of the compressors and the motors is determined by the following steps: detecting supply voltage and supply current through an outdoor unit main control board; and calculating the total power of the compressors and the motors according to the supply voltage and the supply current.

4. The method of claim 2 or 3, wherein, The outdoor unit valve power is determined by the following steps: determining the number of outdoor unit valves in a powered-on working state; and calculating the outdoor unit valve power of the outdoor unit according to the number of the outdoor unit valves and preset powered-on power of a single valve.

5. The method according to any one of claims 2 to 4, wherein, The outdoor unit auxiliary electric heating power is determined by the following steps: determining working states of compressor electric heating bands and chassis electric heating bands; determining compressor electric heating band power and chassis electric heating band power according to the working states; and superimposing the compressor electric heating band power and the chassis electric heating band power to obtain the outdoor unit auxiliary electric heating power of the outdoor unit.

6. The method of claim 5, wherein, The determination of the working states of the compressor electric heating bands and the chassis electric heating bands comprises: obtaining outdoor environment temperature; and determining the working states of the compressor electric heating bands and the chassis electric heating bands according to the outdoor environment temperature.

7. The method of claim 6, wherein, The determination of the working states of the compressor electric heating bands and the chassis electric heating bands according to the outdoor environment temperature comprises: determining that the outdoor unit is in a standby state; when the outdoor environment temperature is greater than or equal to a first preset temperature and less than or equal to a second preset temperature, performing the following loop operation: starting the compressor electric heating bands and the chassis electric heating bands and continuously operating for a first preset time length, then stopping the compressor electric heating bands and the chassis electric heating bands and continuously stopping for a second preset time length; and when the outdoor environment temperature is less than the first preset temperature, keeping the compressor electric heating bands and the chassis electric heating bands started.

8. The method of claim 6 or 7, wherein, The determination of the working states of the compressor electric heating bands and the chassis electric heating bands according to the outdoor environment temperature further comprises: determining that the outdoor unit is in a powered-on state; when the outdoor environment temperature is less than or equal to the second preset temperature, keeping the compressor electric heating bands and the chassis electric heating bands started; and when the outdoor environment temperature is greater than a third preset temperature, closing the compressor electric heating bands and the chassis electric heating bands, wherein the third preset temperature is greater than the second preset temperature.

9. A power consumption detection control method of a multi-type air conditioner, wherein, The multi-connected air conditioner comprises an outdoor unit and multiple indoor units; The method is applied to a target indoor unit and comprises: obtaining an outdoor unit distribution power sent by the outdoor unit, wherein the outdoor unit distribution power is determined by the outdoor unit according to an outdoor unit total power, a total energy demand of all the indoor units and a sub energy demand of the target indoor unit; and determining an electricity consumption of the target indoor unit according to the outdoor unit distribution power.

10. The method of claim 9, wherein, The determination of the electricity consumption of the target indoor unit according to the outdoor unit distribution power comprises: obtaining an indoor unit loss power of the target indoor unit; superimposing the outdoor unit distribution power and the indoor unit loss power to obtain an indoor unit total power of the target indoor unit; and calculating a stage electricity consumption according to the indoor unit total power, and obtaining a total electricity consumption value of the target indoor unit according to the stage electricity consumption and a pre-stored electricity consumption value.

11. The method of claim 10, wherein, The sub energy demand of the target indoor unit is determined by the following steps: obtaining an energy demand reference value, a wind speed coefficient and a number of matches of the target indoor unit; and determining the sub energy demand of the target indoor unit according to the energy demand reference value, the wind speed coefficient and the number of matches.

12. The method of claim 11, wherein, The energy demand reference value is determined by the following steps: obtaining an indoor environment temperature; determining an ability demand interval of the target indoor unit according to a temperature difference between the indoor environment temperature and an indoor set temperature; and determining the energy demand reference value according to the ability demand interval, wherein in a cooling mode, the energy demand reference value and the temperature difference corresponding to the ability demand interval have a positive correlation relationship; and in a heating mode, the energy demand reference value and the temperature difference corresponding to the ability demand interval have a negative correlation relationship.

13. The method of claim 11 or 12, wherein, The wind speed coefficient is determined by the following steps: obtaining an indoor unit fan wind speed of the target indoor unit; and determining the wind speed coefficient according to the indoor unit fan wind speed, wherein the wind speed coefficient and the indoor unit fan wind speed have a positive correlation relationship.

14. An outdoor unit comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to perform the electricity consumption detection control method of the multi-connected air conditioner according to any one of claims 1 to 8.

15. An indoor unit comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to perform the electricity consumption detection control method of the multi-connected air conditioner according to any one of claims 9 to 13.

16. A multi-connected air conditioner comprising the outdoor unit according to claim 14 and / or the indoor unit according to claim 15.

17. A computer-readable storage medium storing computer-executable instructions, wherein, The computer executable instructions are used to perform the electricity consumption detection control method of the multi-connected air conditioner according to any one of claims 1 to 8, or the electricity consumption detection control method of the multi-connected air conditioner according to any one of claims 9 to 13.

18. A computer program product comprising computer programs or computer instructions, wherein, The computer program or the computer instruction is stored in a computer readable storage medium, and a processor of a computer device reads the computer program or the computer instruction from the computer readable storage medium. The processor executes the computer program or the computer instruction, so that the computer device executes the electric quantity detection control method of the multi-connected air conditioner according to any one of claims 1 to 8, or the electric quantity detection control method of the multi-connected air conditioner according to any one of claims 9 to 13.

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