CN111678223A - Energy storage air conditioning system with water production device and control method thereof - Google Patents
Energy storage air conditioning system with water production device and control method thereof Download PDFInfo
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- CN111678223A CN111678223A CN202010410719.8A CN202010410719A CN111678223A CN 111678223 A CN111678223 A CN 111678223A CN 202010410719 A CN202010410719 A CN 202010410719A CN 111678223 A CN111678223 A CN 111678223A
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
- F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/228—Treatment of condensate, e.g. sterilising
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy storage air conditioning system with a water making device and a control method thereof, wherein the system comprises: the system comprises an energy storage device, an air conditioning unit and a water making device; the energy storage device comprises a battery pack, a battery energy management module and an energy storage main control board; the air conditioning unit comprises an air conditioning host, an air conditioning main control board and an air conditioning water outlet; the water making device comprises a filtering device, a sterilizing device and a water storage device; the air conditioner main control board is connected with the energy storage main control board; the energy storage main control board is used for determining whether power is supplied to a load terminal and a public power grid through the energy storage device according to the current battery pack electric quantity parameter of the battery pack and the current operating power of the air conditioner; the air conditioner water outlet is connected with the filtering device and used for guiding the condensed water generated by the air conditioner host machine to the filtering device. The system provides surplus electric energy for the load terminal and the public power grid, and the efficiency of the system is improved; and the condensed water generated by the system is effectively utilized, and the effective utilization rate of resources is improved.
Description
Technical Field
The invention relates to the technical field of energy storage, in particular to an energy storage air conditioning system with a water making device and a control method thereof.
Background
In recent years, an energy storage air conditioner formed by combining energy storage with an air conditioner is sought after by people because the energy storage air conditioner is not influenced by a public power grid and objective factors (such as darkness, weather change and the like) and can ensure that the air conditioner can be powered and normally run all the time.
On the one hand, the conventional energy storage air conditioner only supplies power to the air conditioner so as to ensure that the air conditioner normally operates 24 hours all day, but does not supply power to other load terminals and also does not supply power to a public power grid, so that the electric energy in the energy storage air conditioner is surplus, the electric energy cannot be effectively utilized, and the efficiency of the energy storage air conditioner is reduced.
On the other hand, in the operation process of the energy storage air conditioner, the air conditioner not only reduces the ambient temperature to keep the ambient temperature within the preset temperature range, but also provides support for heat dissipation of the energy storage device, so that the air conditioner is in necessary high-speed operation to generate a large amount of condensed water, the existing treatment mode of the condensed water is direct drainage, and therefore the condensed water is not effectively utilized, and the condensed water is more difficult and expensive for areas with low water resources.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an energy storage air conditioning system with a water making device and a control method thereof, wherein the energy storage device is controlled to supply power to a load terminal and a public power grid, so that the efficiency of the energy storage air conditioning system is improved; and the system can prepare water as domestic water, so that condensed water generated by the system is effectively utilized, and the effective utilization rate of resources is improved.
The embodiment of the invention provides an energy storage air conditioning system with a water making device, which comprises: the system comprises an energy storage device, an air conditioning unit and a water making device; the energy storage device is respectively connected with the air conditioning unit, at least one load terminal and a public power grid and used for supplying power; the photovoltaic power generation device is connected with the energy storage device and used for charging; the energy storage device comprises a battery pack, a battery energy management module and an energy storage main control board; the air conditioning unit comprises an air conditioning host, an air conditioning main control board and an air conditioning water outlet; the water making device comprises a filtering device, a sterilizing device and a water storage device;
the air conditioner main control board is connected with the energy storage main control board and used for sending the current running power of the air conditioner to the energy storage main control board;
the energy storage main control board is used for determining whether to supply power to at least one load terminal and the public power grid through the energy storage device according to the current battery pack electric quantity parameter of the battery pack and the current operating power of the air conditioner;
the air conditioner water outlet is connected with the filtering device and used for guiding the condensed water generated by the air conditioner host machine to the filtering device.
In some embodiments, the energy storage main control board is configured to control the battery pack to supply power to at least one of the load terminal and the public power grid when a current battery state of charge (SOC) of the battery pack is greater than a maximum SOC value and a current operating power of the air conditioner reaches a rated power of an air conditioning unit.
In some embodiments, the energy storage main control board controls the battery pack to supply power to at least one load terminal and the public power grid according to a difference between a maximum discharge power of the battery pack and a rated power of the air conditioning unit as a discharge limit value.
In some embodiments, the energy storage main control board is configured to, when a difference between a maximum discharge power of the battery pack and a rated power of the air conditioning unit is greater than a sum of load powers of at least one load terminal, control the battery pack to supply power to the public power grid according to a difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit and the sum of the load powers, where the difference is used as a public power grid power supply limit.
In some embodiments, the filtration device comprises at least one of PP cotton, compressed activated carbon, ultrafiltration membrane, reverse osmosis membrane, and T33 activated carbon.
In some embodiments, the sterilization device comprises at least two ultraviolet sterilization devices, and a plurality of ultraviolet sterilization devices are uniformly distributed in the water storage device.
In some embodiments, the system further comprises an air quality detection device, the air quality detection device is used for detecting an air quality index representing air quality, and the air quality detection device is connected with the air conditioner main control board;
and when the current air quality index detected by the air quality detection equipment is not matched with the preset air quality index, the air conditioner main control board controls the water making device to stop making water.
In some embodiments, a liquid level sensor is arranged in the water storage device, and the liquid level sensor is connected with the air conditioner main control board;
when the liquid level sensor detects that the current liquid level height value in the water storage device is within a first preset liquid level height range value, the air conditioner main control board controls the energy storage air conditioning system to notify a user in a voice or text mode;
when the liquid level sensor detects that the current liquid level height value in the water storage device is within a second preset liquid level height range value, the air conditioner main control board controls the water making device to stop making water; or
When the liquid level sensor detects that the current liquid level height value in the water storage device exceeds a preset liquid level height value, the air conditioner main control board controls the water storage device to discharge water exceeding the preset liquid level height value to the outside of the water storage device.
In some embodiments, the system further comprises an air purification device, wherein the air purification device is integrated in the air conditioning unit and is used for purifying air entering the air conditioning unit; the air purification device is connected with the air conditioner main control board.
In some embodiments, the energy storage air conditioning system with the water production device further comprises a dehumidification device,
a dehumidification water outlet of the dehumidification equipment is connected with the filtering device and is used for guiding the condensed water generated by the dehumidification equipment to the filtering device; or
The dehumidification equipment comprises a first filtering device, a first sterilization device and a first water storage device, and a dehumidification water outlet of the dehumidification equipment is connected with the first filtering device.
The embodiment of the invention provides a control method of an energy storage air conditioning system with a water making device, which comprises the following steps:
judging the current running state of the air conditioning unit;
and when the air conditioning unit is in an operating state, determining whether to supply power to at least one load terminal and the public power grid through the energy storage device according to the current battery pack electric quantity parameter of the battery pack and the current operating power of the air conditioner.
In some embodiments, the method further comprises:
and when the current battery state of charge (SOC) of the battery pack is larger than the maximum SOC value and the current running power of the air conditioner reaches the rated power of the air conditioning unit, controlling the battery pack to supply power to at least one load terminal and the public power grid.
In some embodiments, the method further comprises:
and controlling the battery pack to supply power to at least one load terminal and the public power grid according to the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit as a discharge limit value.
In some embodiments, the method further comprises:
and when the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit is larger than the sum of the load powers of at least one load terminal, controlling the battery pack to supply power to a public power grid by taking the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit and the sum of the load powers as the power supply limit value of the public power grid.
In some embodiments, the method further comprises:
when the current air quality index detected by the air quality detection equipment is not matched with the preset air quality index, the air conditioner main control board controls the water making device to stop making water.
In some embodiments, the method further comprises:
when the liquid level sensor detects that the current liquid level height value in the water storage device is within a first preset liquid level height range value, the air conditioner main control board controls the energy storage air conditioning system to inform a user in a voice or text mode;
when the liquid level sensor detects that the current liquid level height value in the water storage device is within a second preset liquid level height range value, the air conditioner main control board controls the water making device to stop making water; or
When the liquid level sensor detects that the current liquid level height value in the water storage device exceeds a preset liquid level height value, the air conditioner main control board controls the water storage device to discharge water exceeding the preset liquid level height value to the outside of the water storage device.
An embodiment of the present invention provides a computer-readable storage medium, in which at least one instruction, at least one program, a set of codes, or a set of instructions is stored, and the instruction, the program, the set of codes, or the set of instructions is loaded and executed by the processor to implement the steps of any one of the above-mentioned methods.
The embodiment of the invention provides an energy storage air conditioning system with a water making device and a control method thereof, wherein the system comprises the energy storage device, an air conditioning unit and the water making device; the energy storage device is respectively connected with the air conditioning unit, at least one load terminal and a public power grid and used for supplying power; the photovoltaic power generation device is connected with the energy storage device and used for charging; the energy storage device comprises a battery pack, a battery energy management module and an energy storage main control board; the air conditioning unit comprises an air conditioning host, an air conditioning main control board and an air conditioning water outlet; the water making device comprises a filtering device, a sterilizing device and a water storage device; the air conditioner main control board is connected with the energy storage main control board and used for sending the current running power of the air conditioner to the energy storage main control board; the energy storage main control board is used for determining whether to supply power to at least one load terminal and the public power grid through the energy storage device according to the current battery pack electric quantity parameter of the battery pack and the current operating power of the air conditioner; the air conditioner water outlet is connected with the filtering device and used for guiding the condensed water generated by the air conditioner host machine to the filtering device. The system ensures that the air conditioning unit normally operates, and controls the energy storage device to supply surplus electric energy to the load terminal and the public power grid for power supply, so that the efficiency of the energy storage air conditioning system is improved; and the water making device of the system can prepare water as domestic water, so that condensed water produced by the system is effectively utilized, and the effective utilization rate of resources is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an energy storage air conditioning system with a water production device according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of an energy storage air conditioning system with a water production device according to an embodiment of the present invention; fig. 3 is a detailed flowchart of a control method of an energy storage air conditioning system with a water production device according to another embodiment of the present invention.
Description of reference numerals:
the energy storage device 1, the battery pack 11, the battery energy management module 12, the energy storage main control board 13,
an air conditioning unit 2, an air conditioning main machine 21, an air conditioning main control board 22, an air conditioning water outlet 23,
a water making device 3, a filtering device 31, a sterilizing device 32 and a water storage device 33.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the energy storage air conditioning system with the water production function, the energy storage device can be charged through the photovoltaic power generation device and also can be charged through the public power grid, electric energy stored by the energy storage device is preferentially supplied to the air conditioning unit so as to ensure normal operation of the air conditioning unit, and when the energy storage device has redundant electric quantity, power is supplied to the load terminal and the public power grid; the air conditioning unit not only improves the ambient temperature and keeps the ambient temperature within a preset temperature range, but also provides support for timely heat dissipation of the energy storage device, for example, the air conditioning unit provides a refrigerant for the energy storage device so as to rapidly cool the energy storage device; the condensed water that produces in the air conditioning unit operation process obtains the condensed water after the secondary treatment through water making device, can regard as domestic water or drinking water, and then whole energy storage air conditioning system's efficiency has obtained very big promotion. Of course, the air conditioning unit can also supply power through the photovoltaic power generation device and also can supply power through a public power grid.
Fig. 1 is a schematic structural diagram of an energy storage air conditioning system with a water making device according to an embodiment of the present invention, including an energy storage device 1, an air conditioning unit 2, and a water making device 3; the energy storage device 1 is respectively connected with the air conditioning unit 2, at least one load terminal and a public power grid and used for supplying power; the photovoltaic power generation device is connected with the energy storage device 1 and used for charging; the energy storage device 1 comprises a battery pack 11, a battery energy management module 12 and an energy storage main control board 13; the air conditioning unit 2 comprises an air conditioning host 21, an air conditioning main control board 22 and an air conditioning water outlet 23; the water making device 3 comprises a filtering device 31, a sterilizing device 32 and a water storage device 33; the air conditioner main control board 22 is connected with the energy storage main control board 13 and is used for sending the current operating power of an air conditioner to the energy storage main control board 13; the energy storage main control board 13 is configured to determine whether to supply power to at least one load terminal and the public power grid through the energy storage device 1 according to a current battery pack 11 power parameter of the battery pack 11 and a current operating power of the air conditioner; the air conditioner water outlet 23 is connected with the filtering device 31, and is used for guiding the condensed water generated by the air conditioner main unit 21 to the filtering device 31.
Specifically, the energy storage device 1, the air conditioning unit 2 and the water production device 3 may be integrated, i.e., integrally disposed, or may be independent of each other. The energy storage device 1 comprises a converter, the converter comprises a DC/DC converter and a DC/AC converter, and the battery pack 11 is connected with a photovoltaic power generation device through the DC/DC converter for charging; the battery pack 11 is connected with the air conditioning unit 2, the load terminal and the public power grid through a DC/AC converter, and discharges electricity. The battery pack 11, the battery energy management module 12 and the energy storage main control board 13 are connected with each other, the battery energy management module 12 monitors the current state of the energy storage device 1 and the current electric quantity parameter of the battery pack 11, specifically the current state of the battery pack 11 and the current electric quantity parameter of the battery pack 11, and sends the current state and the current electric quantity parameter of the battery pack 11 to the energy storage main control board 13, and the energy storage main control board 13 controls the battery pack 11 to be charged or discharged.
The air conditioning unit 2 comprises an air conditioning main machine 21, an air conditioning main control board 22 and an air conditioning water outlet 23. The air conditioner main control board 22 is configured to obtain a current operation state of the air conditioner set 2 and a current operation power of the air conditioner, and send the current operation state of the air conditioner set 2 and the current operation power of the air conditioner to the energy storage main control board 13, and the energy storage main control board 13 determines whether to supply power to at least one of the load terminal and the public power grid through the energy storage device 1 according to a current battery pack 11 power parameter of the battery pack 11 and the current operation power of the air conditioner.
The air conditioner water outlet 23 is connected with the filtering device 31, and is used for guiding the condensed water generated by the air conditioner main unit 21 to the filtering device 31. The condensed water passes through the filtering device 31 and the sterilizing device 32 to obtain condensed water after secondary treatment, and the condensed water is stored in the storage device, and the condensed water after secondary treatment can be used as domestic water or drinking water. Therefore, the efficiency of the energy storage air conditioning system is greatly improved.
According to the energy storage air conditioning system with the water making device, provided by the embodiment of the invention, the energy storage main control board is respectively connected with the battery pack, the battery energy management module and the air conditioning main control board, so that the energy storage main control board controls the battery pack to supply surplus electric energy to a household load and a public power grid, and the efficiency of the energy storage air conditioning system is improved; and the water making device of the system can prepare water as domestic water, so that condensed water produced by the system is effectively utilized, and the effective utilization rate of resources is improved.
In some embodiments, the energy storage main control board 13 is configured to control the battery pack 11 to supply power to at least one of the load terminal and the public power grid when the current battery state of charge SOC of the battery pack 11 is greater than the maximum SOC value and the current operating power of the air conditioner reaches the rated power of the air conditioning unit 2.
Further, the energy storage main control board 13 controls the battery pack 11 to supply power to at least one load terminal and the public power grid according to a difference between a maximum discharge power of the battery pack 11 and a rated power of the air conditioning unit 2 as a discharge limit value.
Further, the energy storage main control board 13 is configured to, when a difference between the maximum discharging power of the battery pack 11 and the rated power of the air conditioning unit 2 is greater than a sum of load powers of at least one load terminal, control the battery pack 11 to supply power to the public power grid according to a difference between the maximum discharging power of the battery pack 11 and the rated power of the air conditioning unit 2 and a sum of the load powers, where the difference is used as a public power grid power supply limit. In some embodiments, the air conditioner main unit 21 includes an indoor unit and an outdoor unit, the air conditioner water outlet 23 includes an indoor unit water outlet and an outdoor unit water outlet, the indoor unit water outlet is located on the indoor unit water outlet pipe, the outdoor unit water outlet is located on the outdoor unit water outlet pipe, and the outdoor unit water outlet and the indoor unit water outlet are communicated with the water storage water inlet through a three-way valve.
Specifically, the air-conditioning main unit 21 may be an all-in-one machine, and may also include an indoor unit and an outdoor unit, and in case of the indoor unit and the outdoor unit, the air-conditioning water outlet 23 includes an indoor unit water outlet and an outdoor unit water outlet, the indoor unit water outlet corresponds to the indoor unit, and condensed water generated by the indoor unit flows out through the indoor unit water outlet; the water outlet of the outdoor unit corresponds to the outdoor unit, condensed water generated by the outdoor unit flows out through the water outlet of the outdoor unit, and the water outlet of the outdoor unit and the water outlet of the indoor unit are communicated with the water storage water inlet through a three-way valve. In some embodiments, the water storage device 33 may be provided with two water storage inlets, the indoor unit water outlet is communicated with one of the water storage inlets, and the outdoor unit water outlet is communicated with the other water storage inlet.
Further, the filtering device 31 is disposed near the water inlet, so that the cost can be saved. In some embodiments, the filtering devices 31 are respectively disposed near the indoor unit water outlet and the outdoor unit water outlet, so as to achieve better filtering effect.
In some embodiments, the filtering devices 31 are respectively disposed near the water inlet, the water outlet of the indoor unit, and the water outlet of the outdoor unit, so that the condensed water is filtered by double filtration, thereby obtaining a better filtering effect. In some embodiments, the filtration device 31 comprises at least one of PP cotton, compressed activated carbon, ultrafiltration membrane, reverse osmosis membrane, and T33 activated carbon.
The PP cotton refers to a PP cotton filter element which is also called a melt-blown PP filter element, and is a tubular filter element prepared by heating, melting, spinning, drawing and receiving forming of nontoxic and tasteless polypropylene particles; the device can be of a multi-layer type deep structure and has large pollutant carrying capacity; the filtration flow is large, and the pressure difference is small; does not contain any chemical adhesive, is more sanitary and safe; acid resistance, alkali resistance, organic solution resistance and oil resistance, and good chemical stability; the surface, the deep layer and the coarse and fine filtration are integrated; has the characteristics of large flow, corrosion resistance, high pressure resistance, low cost and the like. Used for blocking large granular substances such as rust, silt, worm eggs and the like in water.
The compressed active carbon is prepared from powdered active carbon and binder through mixing, squeezing, shaping, charring and activating. The granularity of the powdery carbon reaches micron level. The adsorption capacity is faster and stronger. Deeply absorbs the substances harmful to human body, such as heterochrosis, peculiar smell, residual chlorine, halogenated hydrocarbon, organic matters, and the like in water.
The ultrafiltration membrane is a microporous filtration membrane with the pore size specification being consistent and the rated pore size range being 0.001-0.02 micron. Solute molecules smaller than the pore size can be screened out by applying appropriate pressure to one side of the membrane to separate particles with molecular weight greater than 500 daltons (atomic mass unit) and particle size greater than 10 nanometers; the membrane material of the ultrafiltration membrane mainly comprises cellulose and derivatives thereof, polycarbonate, polyvinyl chloride, polyvinylidene fluoride, polysulfone, polyacrylonitrile, polyamide, polysulfone amide, sulfonated polysulfone, cross-linked polyvinyl alcohol, modified acrylic polymer and the like; in the process of ultrafiltration membrane screening, the pressure difference between two sides of the membrane is used as a driving force, the ultrafiltration membrane is used as a filtering medium, under a certain pressure, when a stock solution flows through the surface of the membrane, a plurality of fine micropores densely distributed on the surface of the ultrafiltration membrane only allow water and small molecular substances to pass through to form a permeate, and substances in the stock solution, the volume of which is greater than the micropore diameter of the surface of the membrane, are intercepted on the liquid inlet side of the membrane to form a concentrated solution, so that the purposes of purification, separation and concentration of the stock solution are realized. About 60 hundred million micropores of 0.01 micron are arranged on the wall of the ultrafiltration membrane filament pipe with the length of each meter, the pore diameter of the ultrafiltration membrane filament pipe only allows water molecules, beneficial mineral substances and trace elements in water to pass through, and the volume of the minimum bacteria is more than 0.02 micron, so that the bacteria, colloid, rust, suspended matters, silt, macromolecular organic matters and the like which are much larger than the volume of the bacteria can be intercepted by the ultrafiltration membrane, and effective filtration is realized.
Reverse osmosis membranes, the principle of reverse osmosis, is to separate substances from water by virtue of the fact that other substances cannot permeate a semi-permeable membrane under the action of a pressure higher than the osmotic pressure of the solution. The reverse osmosis membrane has a very small membrane pore size, and thus can effectively remove dissolved salts, colloids, microorganisms, organic substances, and the like in water. The reverse osmosis membrane should have the characteristics of (1) high salt rejection at high flow rates; (2) the mechanical strength is high and the service life is long; (3) can perform functions under lower operating pressure; (4) can resist the influence of chemical or biochemical action; (5) the influence of factors such as pH value, temperature and the like is small; (6) the raw material for preparing the membrane is easy to obtain, the processing is simple and convenient, and the cost is low.
T33 activated carbon filter element, activated carbon core regard high-quality husk charcoal and coal activated carbon as raw materials, assist the edible binder, use the high technology, process by the special craft, it collects and adsorbs, filters, intercepts, catalyzes the function in an organic matter, residual chlorine and other radioactive substance of the integrative one, and have decolouring, efficacy to remove peculiar smell, mainly apply to the postposition of water purifying plant and filter, impurity used for adsorbing in the water, achieve the goal of improving the mouthfeel.
In some embodiments, the sterilization device 32 comprises an ultraviolet sterilization device.
In some embodiments, sterilization device 32 comprises an ozone generating device.
In some embodiments, sterilization device 32 includes an ultraviolet sterilization device and an ozone generation device. Other sterilization devices may be used for sterilization.
The sterilization device 32 can effectively kill germs, harmful microorganisms and other strains in the filtered condensed water, so that the secondarily treated condensed water meets the standards of domestic water and drinking water.
In some embodiments, the number of the ultraviolet sterilization devices 32 is at least two, and a plurality of the ultraviolet sterilization devices are uniformly distributed in the water storage device 33.
Specifically, the number of the ultraviolet sterilization devices may be set as needed, and in the case where the water storage device 33 has a large volume, a large number of ultraviolet sterilization devices may be provided; in the case where the water storage apparatus 33 is small in size, a small number of ultraviolet ray sterilization apparatuses may be provided. The ultraviolet sterilization devices 32 are transversely or longitudinally and equidistantly arranged in the water storage device 33, so that the sterilization effect on the filtered condensed water can be enhanced, and the condensed water obtained by the energy storage air conditioning system with the water production device 3 and subjected to secondary treatment is ensured to be suitable for serving as domestic water and drinking water.
In some embodiments, the energy storage air conditioning system with the water production device further includes an air quality detection device, the air quality detection device is used for detecting an air quality index representing air quality, and the air quality detection device is connected with the air conditioner main control board 22; when the current air quality index detected by the air quality detection device is not matched with the preset air quality index, the air conditioner main control panel 22 controls the water making device 3 to stop making water.
In particular, the air quality detection device may be integrated in the energy storage air conditioning system or may be a separate device. The air quality detection device is used for detecting the air quality index of the ambient air quality, and is connected with the air conditioner main control board 22, wherein the air quality index comprises the content of at least one substance or gas in fine particulate matters, inhalable particulate matters, sulfur dioxide, nitrogen dioxide, ozone, carbon monoxide and the like. The air quality detection device may include an air quality sensor, and the air quality sensor is used to detect the content of various substances or gases in the ambient air, and the air conditioner main control board 22 obtains the current air quality index according to the detection data fed back by the air quality sensor. The air quality detection equipment can detect the air quality index of the ambient air in real time to obtain the current air quality index, and sends the current air quality index to the controller in real time; the air quality detection device may also detect the air quality index of the ambient air at regular time to obtain the current air quality index, and send the current air quality index to the air conditioner main control board 22. When the current air quality index is not matched with the preset air quality index, the air conditioner main control panel 22 controls the water making device 3 to stop making water. The current air quality index is not matched with the preset air quality index, and the content of any substance and/or any gas in the current air quality index exceeds the content of the corresponding substance or gas in the preset air quality index; the current air quality index is not matched with the preset air quality index, or the content of one or more substances and/or one or more gases in the current air quality index exceeds the content of the corresponding substances or gases in the preset air quality index, which can be specifically set according to the requirement. The air conditioner main control panel 22 controls the water production device 3 to stop producing water, which can be realized by controlling the opening and closing of a valve connecting the air conditioner water outlet 23 of the air conditioner unit 2 and the water storage water inlet of the water storage device 33, and when the valve is closed, the condensed water produced by the air conditioner unit 2 is directly discharged from the bypass pipeline. The energy storage air conditioning system with the water production device 3 is additionally provided with the air quality detection equipment, so that the efficiency of making the water suitable for life can be effectively improved, the service lives of the filtering device 31 and the sterilizing device 32 are prolonged, the effective utilization rate of the filtering device 31 and the sterilizing device 32 is improved, and the cost is saved.
In some embodiments, a liquid level sensor is disposed in the water storage device 33, and the liquid level sensor is connected to the air conditioner main control board 22; when the liquid level sensor detects that the current liquid level height value in the water storage device 33 is within a first preset liquid level height range value, the air conditioner main control board 22 controls the energy storage air conditioning system to notify a user in a voice or text mode; when the liquid level sensor detects that the current liquid level height value in the water storage device 33 is within a second preset liquid level height range value, the air conditioner main control board 22 controls the water making device 3 to stop making water; or when the liquid level sensor detects that the current liquid level height value in the water storage device 33 exceeds a preset liquid level height value, the air conditioner main control board 22 controls the water storage device 33 to discharge the water exceeding the preset liquid level height value out of the water storage device 33.
Specifically, the liquid level sensor is used for detecting the liquid level of the water storage device 33 and sending the detection result to the air conditioner main control board 22. When the liquid level sensor detects that the current liquid level height value in the water storage device 33 is within a first preset liquid level height range value, the air conditioner main control board 22 controls the energy storage air conditioning system to notify a user in a voice or text mode; when the liquid level sensor detects that the current liquid level height value in the water storage device 33 is within a second preset liquid level height range value, the air conditioner main control board 22 controls the water making device 3 to stop making water. For example, the first predetermined liquid level height range value may be [1,1.5 ], the second predetermined liquid level height range value may be [1.5,2 ], and the unit of the liquid level height is meter. The air conditioner main control panel 22 may notify the user by sending a voice message, a text message, or an alarm sound, etc. to take away the condensate water after the secondary treatment for use, and the notification manner is not particularly limited. The air conditioner main control panel 22 controls the water production device 3 to stop producing water, which can be realized by controlling the opening and closing of a valve connecting the air conditioner water outlet 23 of the air conditioner unit 2 and the water storage water inlet of the water storage device 33, and when the valve is closed, the condensed water produced by the air conditioner unit 2 is directly discharged from the bypass pipeline. Therefore, the water making effectiveness of the energy storage air conditioning system can be improved. In some embodiments, when the liquid level sensor detects that the current liquid level height value in the water storage device 33 exceeds a preset liquid level height value, the air conditioner main control board 22 controls the water storage device 33 to discharge water exceeding the preset liquid level height value out of the water storage device 33. Therefore, the condensate water after the secondary treatment in the water storage device 33 can be prevented from being unused for a long time by a user, so that the condensate water after the secondary treatment is changed into dead water, the condensate water after the secondary treatment in the water storage device 33 is ensured to flow, and the freshness of the condensate water after the secondary treatment is ensured.
In some embodiments, the energy storage air conditioning system with water production device further comprises an air purification device integrated in the air conditioning unit 2, the air purification device being configured to purify air entering the air conditioning unit 2. The air purification device is connected with the air conditioner main control panel 22.
Specifically, the air purification device is integrated in the air conditioning unit 2, and specifically may be disposed at the air inlet of the air conditioning unit 2, or may be disposed at the air inlet and the air outlet of the air conditioning unit 2, and the air purification device performs purification treatment on air entering the air conditioning unit 2, thereby improving water production efficiency of the energy storage air conditioning system. The air cleaning device may be an existing air cleaning device. The air purification device can also be made of one or more of colloidized cotton, catalytic activated carbon, nano silver, streaming light energy, nano photocatalyst and HEPA. In some embodiments, the energy storage air conditioning system with water production device further comprises a dehumidification device, which may be an existing dehumidifier on the market. The dehumidifying apparatus 6 may be connected to the energy storage device 1 so as to be powered by the energy storage device 1; or may be connected to the public power grid so as to be supplied with power through the public power grid, or may be connected to both the energy storage device 1 and the public power grid so as to be supplied with power through the energy storage device 1 and the public power grid. Further, the dehumidification water outlet of the dehumidification equipment is connected with the filtering device 31, and the condensed water generated by the dehumidification equipment can be prepared into water serving as domestic water through the water preparation device 3, so that the condensed water generated by the system is effectively utilized, and the effective utilization rate of resources is improved.
In some embodiments, the dehumidification apparatus comprises a first filtering device, a first sterilization device and a first water storage device, and the dehumidification water outlet of the dehumidification apparatus is connected with the first filtering device. The condensed water generated by the dehumidification equipment is filtered by the first filtering device and is stored in the first water storage device after being sterilized by the first sterilization device, and the water stored in the first water storage device can be used as domestic water, so that the condensed water generated by the system is effectively utilized, and the effective utilization rate of resources is improved.
Fig. 2 is a flowchart of a control method of an energy storage air conditioning system with a water production device according to an embodiment of the present invention. The control method of the energy storage air conditioning system with the water making device comprises the following steps:
s10: judging the current running state of the air conditioning unit;
s20: and when the air conditioning unit is in an operating state, determining whether to supply power to at least one load terminal and the public power grid through the energy storage device according to the current battery pack electric quantity parameter of the battery pack and the current operating power of the air conditioner. It will be appreciated that the battery pack is primarily sufficient for powering the air conditioning unit.
Further, when the current battery state of charge (SOC) of the battery pack is larger than the maximum SOC value and the current running power of the air conditioner reaches the rated power of the air conditioning unit, the battery pack is controlled to supply power to at least one load terminal and the public power grid.
And further, controlling the battery pack to supply power to at least one load terminal and the public power grid according to the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit as a discharge limit value.
Further, when the difference between the maximum discharging power of the battery pack and the rated power of the air conditioning unit is larger than the sum of the load powers of at least one load terminal, the battery pack is controlled to supply power to the public power grid according to the difference between the maximum discharging power of the battery pack and the rated power of the air conditioning unit and the sum of the load powers, wherein the difference is used as a public power grid power supply limit value.
Specifically, the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit is recorded as Δ P1, the sum of the load power of at least one load terminal is recorded as P, and then Δ P is Δ P1-P, that is, Δ P is used as a power supply limit value of a public power grid to control the battery pack to supply power to the public power grid, and P is used as a power supply limit value of a household load terminal to control the battery pack to supply power to the household load terminal.
In some embodiments, the control method further comprises: when the current air quality index detected by the air quality detection equipment is not matched with the preset air quality index, the air conditioner main control board controls the water making device to stop making water. In some embodiments, the method further comprises: when the liquid level sensor detects that the current liquid level height value in the water storage device is within a first preset liquid level height range value, the air conditioner main control board controls the energy storage air conditioning system to inform a user in a voice or text mode; when the liquid level sensor detects that the current liquid level height value in the water storage device is within a second preset liquid level height range value, the air conditioner main control board controls the water making device to stop making water; or when the liquid level sensor detects that the current liquid level height value in the water storage device exceeds a preset liquid level height value, the air conditioner main control board controls the water storage device to discharge the water exceeding the preset liquid level height value to the outside of the water storage device.
The present invention provides a specific embodiment for understanding the technical solution of the present invention, referring to fig. 3, the control method includes:
step 1: and judging the current running state of the air conditioning unit. The current operation state of the air conditioning unit can be operation or non-operation.
When the air conditioner set is in the running state, executing the step 2; and when the air conditioner set is in the non-running state, executing the judgment action in the step 1 according to a preset time interval.
Step 2: and judging whether the current battery SOC of the battery pack is greater than the maximum SOC value or not and whether the current running power of the air conditioner reaches the rated power of the air conditioning unit or not. The maximum SOC value is preset, and the specific value of the maximum SOC value may be specifically set as needed.
When the current battery state of charge (SOC) of the battery pack is larger than the maximum SOC value and the current running power of the air conditioner reaches the rated power of the air conditioning unit, executing the step 3; otherwise, executing the judgment action of the step 2 according to a preset time interval.
And step 3: and judging whether the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit is greater than the sum of the load power of at least one load terminal.
When the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit is larger than the sum of the load power of at least one load terminal, executing a step 4; otherwise, controlling the battery pack to supply power to the air conditioning unit according to the rated power of the air conditioning unit.
And 4, step 4: controlling the battery pack to supply power to at least one load terminal according to the sum of the load power of at least one load terminal as a load terminal power supply limit value; and controlling the battery pack to supply power to the public power grid according to the difference value of the maximum discharge power of the battery pack, the rated power of the air conditioning unit and the sum of the load power as the power supply limit value of the public power grid.
The following is not shown in fig. 3. When the air conditioner set is in the running state, executing the step 5: judging whether the current air quality index detected by the air quality detection equipment is matched with a preset air quality index, if so, executing the step 6; otherwise, the air conditioner main control board controls the water making device to stop making water.
Step 6: judging whether the liquid level sensor detects that the current liquid level height value in the water storage device is within a first preset liquid level height range value or not, if so, controlling the energy storage air conditioning system by the air conditioning main control board to inform a user in a voice or text mode; otherwise step 7 is performed.
And 7: judging whether the liquid level sensor detects that the current liquid level height value in the water storage device is within a second preset liquid level height range value or not, if so, controlling the water making device to stop making water by the air conditioner main control board; otherwise no operation is performed.
The embodiment of the invention provides an energy storage air conditioning system with a water making device, which can store electric energy converted from solar energy by a photovoltaic module, ensure the normal operation of an air conditioning unit and simultaneously provide surplus electric energy for a load terminal and a public power grid, thereby improving the efficiency of the energy storage air conditioning system; and the water making device of the energy storage air conditioning system can prepare water as domestic water, so that condensed water generated by the system is effectively utilized, and the effective utilization rate of resources is improved.
An embodiment of the present invention further provides a computer-readable storage medium, where at least one instruction, at least one program, a code set, or an instruction set is stored in the computer-readable storage medium, and the instruction, the program, the code set, or the instruction set is loaded and executed by the processor to implement the operations in the control method of the energy storage air conditioning system with a water production device according to the above embodiment.
It will be understood by those skilled in the art that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk, an optical disk, or the like.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (12)
1. An energy storage air conditioning system with a water making device is characterized by comprising the energy storage device, an air conditioning unit and the water making device; the energy storage device is respectively connected with the air conditioning unit, at least one load terminal and a public power grid and used for supplying power; the photovoltaic power generation device is connected with the energy storage device and used for charging; the energy storage device comprises a battery pack, a battery energy management module and an energy storage main control board; the air conditioning unit comprises an air conditioning host, an air conditioning main control board and an air conditioning water outlet; the water making device comprises a filtering device, a sterilizing device and a water storage device; the air conditioner main control board is connected with the energy storage main control board and used for sending the current running power of the air conditioner to the energy storage main control board;
the energy storage main control board is used for determining whether to supply power to at least one load terminal and the public power grid through the energy storage device according to the current battery pack electric quantity parameter of the battery pack and the current operating power of the air conditioner;
the air conditioner water outlet is connected with the filtering device and used for guiding the condensed water generated by the air conditioner host machine to the filtering device.
2. The energy storage air conditioning system with the water production device according to claim 1, wherein the energy storage main control board is configured to control the battery pack to supply power to at least one of the load terminal and the public power grid when a current battery state of charge (SOC) of the battery pack is greater than a maximum SOC value and a current operating power of the air conditioner reaches a rated power of an air conditioning unit.
3. The energy storage air conditioning system with the water production device as claimed in claim 1, wherein the sterilization device comprises at least two ultraviolet sterilization devices, and the ultraviolet sterilization devices are uniformly distributed in the water storage device.
4. The energy storage air conditioning system with the water production device according to claim 1, further comprising an air quality detection device, wherein the air quality detection device is used for detecting an air quality index representing air quality, and is connected with the air conditioner main control board;
and when the current air quality index detected by the air quality detection equipment is not matched with the preset air quality index, the air conditioner main control board controls the water making device to stop making water.
5. The energy storage air conditioning system with a water production device according to claim 1, further comprising an air purification device integrated in the air conditioning unit, the air purification device being configured to purify air entering the air conditioning unit; the air purification device is connected with the air conditioner main control board.
6. The energy storage air conditioning system with a water production device according to claim 1, further comprising a dehumidification device,
a dehumidification water outlet of the dehumidification equipment is connected with the filtering device and is used for guiding the condensed water generated by the dehumidification equipment to the filtering device; or
The dehumidification equipment comprises a first filtering device, a first sterilization device and a first water storage device, and a dehumidification water outlet of the dehumidification equipment is connected with the first filtering device.
7. A control method of an energy storage air conditioning system with a water making device is characterized by comprising the following steps:
judging the current running state of the air conditioning unit;
and when the air conditioning unit is in an operating state, determining whether to supply power to at least one load terminal and the public power grid through the energy storage device according to the current battery pack electric quantity parameter of the battery pack and the current operating power of the air conditioner.
8. The method for controlling the energy storage air conditioning system with the water production device according to claim 7, comprising:
and when the current battery state of charge (SOC) of the battery pack is larger than the maximum SOC value and the current running power of the air conditioner reaches the rated power of the air conditioning unit, controlling the battery pack to supply power to at least one load terminal and the public power grid.
9. The method for controlling the energy storage air conditioning system with the water production device according to claim 8, comprising:
and controlling the battery pack to supply power to at least one load terminal and the public power grid according to the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit as a discharge limit value.
10. The method for controlling an energy-storing air conditioning system with a water production device according to claim 9, comprising:
and when the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit is larger than the sum of the load powers of at least one load terminal, controlling the battery pack to supply power to a public power grid by taking the difference between the maximum discharge power of the battery pack and the rated power of the air conditioning unit and the sum of the load powers as the power supply limit value of the public power grid.
11. The method for controlling the energy storage air conditioning system with the water production device according to claim 7, comprising:
when the current air quality index detected by the air quality detection equipment is not matched with the preset air quality index, the air conditioner main control board controls the water making device to stop making water.
12. A computer-readable storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to carry out the steps of the method according to any one of claims 7 to 11.
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