CN114562772B - Air conditioning system, control method and device thereof, and storage medium - Google Patents
Air conditioning system, control method and device thereof, and storage medium Download PDFInfo
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- CN114562772B CN114562772B CN202210157027.6A CN202210157027A CN114562772B CN 114562772 B CN114562772 B CN 114562772B CN 202210157027 A CN202210157027 A CN 202210157027A CN 114562772 B CN114562772 B CN 114562772B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000003860 storage Methods 0.000 title claims abstract description 39
- 238000005338 heat storage Methods 0.000 claims abstract description 136
- 239000003507 refrigerant Substances 0.000 claims abstract description 121
- 238000010438 heat treatment Methods 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 7
- 239000012782 phase change material Substances 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000012546 transfer Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000004590 computer program Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
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- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- 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
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The application relates to the technical field of intelligent household appliances, and discloses an air conditioning system, which comprises: the solar heat collecting module comprises a refrigerant heat exchange module and a solar heat collecting module; and the intermediate heat storage module comprises an intermediate heat storage part which is respectively communicated with the refrigerant heat exchange module and the solar heat collection module, and the intermediate heat storage part is configured to controllably exchange heat with the refrigerant heat exchange module and the solar heat collection module so as to store heat from the refrigerant heat exchange module and/or the solar heat collection module or release heat to the refrigerant heat exchange module and/or the solar heat collection module. The air conditioning system in the embodiment can enrich the heat transmission form between the refrigerant heat exchange module and the solar heat collection module, so that the application performance of the refrigerant heat exchange module under different working conditions is further improved. The application also discloses a control method and device for the air conditioning system and a storage medium.
Description
Technical Field
The application relates to the technical field of intelligent household appliances, in particular to an air conditioning system, a control method and device thereof and a storage medium.
Background
At present, besides the performance of the parts of the machine body, the factors influencing the whole operation energy efficiency of the air conditioning system are also important influencing factors, such as the actual operation efficiency of the air conditioning system under the working condition of high temperature in summer and ultra-low temperature in winter, which is obviously lower than the working condition of the conventional temperature; for this reason, taking the ultralow temperature working condition as an example, because the air conditioning system adopts a single refrigerant-air heat exchange mode, the outdoor environment temperature is too low, so that the difference between the high pressure difference and the low pressure difference between the inside and the outside of the outdoor heat exchanger is small, the situation that the heat absorption from the outdoor side is too low and the heating capacity is limited is caused, and even the problem that the unit cannot be started is caused.
One of the optimization modes in the related art is to combine an air conditioning system with solar heat collection equipment, the solar heat collection equipment can absorb sunlight heat and use the sunlight heat to improve medium temperature, and therefore the effects of supplementing heat to the air conditioning system and improving internal and external pressure difference can be achieved by introducing the heat of the solar heat collection equipment into the air conditioning system.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
The existing mode of combining the air conditioning system with the solar heat collecting equipment has a plurality of defects, and like the existing mode, the solar heat collecting equipment can be used for supplying heat to the air conditioning system in one way, the application condition is limited, the solar heat collecting equipment can only be used for supplying heat to the air conditioning system under the heating condition in winter, and if the solar heat collecting equipment is used under the high-temperature condition in summer, the adverse effect of reducing the refrigerating performance can be caused.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides an air conditioning system for solving the technical problem that the use mode of the air conditioning system integrated with solar heat collection equipment is single and limited.
In some embodiments, an air conditioning system includes:
The refrigerant heat exchange module comprises a compressor, an outdoor heat exchanger and an indoor heat exchanger and is connected with the indoor heat exchanger through a refrigerant pipeline to form a refrigerant circulation loop;
a solar heat collection module configured to collect solar energy and to heat a heat storage medium;
The intermediate heat storage module comprises an intermediate heat storage part which is respectively communicated with the refrigerant heat exchange module and the solar heat collection module, and the intermediate heat storage part is configured to controllably exchange heat with the refrigerant heat exchange module and the solar heat collection module so as to store heat from the refrigerant heat exchange module and/or the solar heat collection module or release heat to the refrigerant heat exchange module and/or the solar heat collection module.
In still other embodiments, a control method for an air conditioning system as shown in the above embodiments includes:
when the air conditioning system operates in a heating mode, determining that the refrigerant heat exchange module meets the heat supplementing condition;
And controlling the intermediate heat storage part to supply heat to the refrigerant heat exchange module.
In still other embodiments, a control method for an air conditioning system as shown in the above embodiments includes:
When the air conditioning system operates in a refrigeration mode, determining that the refrigerant heat exchange module meets heat dissipation conditions;
And controlling the refrigerant heat exchange module to supply heat to the middle heat storage part.
In still other embodiments, a control apparatus for an air conditioning system includes a processor and a memory storing program instructions, the processor being configured to execute the control method for an air conditioning system as in the above embodiments when executing the program instructions.
In still other embodiments, a storage medium stores program instructions that, when executed, perform a control method for an air conditioning system as in the above embodiments.
The air conditioning system provided by the embodiment of the disclosure can realize the following technical effects:
the air conditioning system comprises a refrigerant heat exchange module and a solar heat collection module, and is additionally provided with an intermediate heat storage module, wherein the intermediate heat storage module can respectively perform heat exchange with the refrigerant heat exchange module and the solar heat collection module, and can also perform the function of accumulating heat, so that the intermediate heat storage module can be used as a heat transfer component for supplying heat to the refrigerant heat exchange module in winter so as to improve heating performance, and the intermediate heat storage module can be used as a heat transfer component for absorbing and discharging redundant heat of the refrigerant heat exchange module in summer so as to improve refrigerating performance; therefore, the air conditioning system in the embodiment can enrich the heat transmission form between the refrigerant heat exchange module and the solar heat collection module, thereby further improving the application performance of the refrigerant heat exchange module under different working conditions.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
Fig. 1 is a schematic diagram of an air conditioning system provided in an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of yet another air conditioning system provided by an embodiment of the present disclosure;
Fig. 3 is a schematic diagram of a control method for an air conditioning system provided in an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another control method for an air conditioning system provided by an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of another control method for an air conditioning system provided by an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a control device for an air conditioning system according to an embodiment of the present disclosure.
Reference numerals:
110. an indoor unit; 111. an indoor heat exchanger;
120. An outdoor unit; 121. a compressor; 1211. an exhaust line; 122. an outdoor heat exchanger; 123. a throttle device; 124. a four-way valve;
200. A solar heat collection module; 210. a solar collector; 220. a heat storage tank; 231. a first pipeline; 232. a second pipeline; 240. externally connected pipelines;
300. An intermediate heat storage module; 310. an intermediate heat storage section; 320. and connecting pipelines in parallel;
401. A geothermal device;
511. A first control valve; 512. a second control valve; 513. a third control valve; 521. a first stop valve; 522. a second shut-off valve; 523. a third stop valve; 530. and an on-off valve.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more, unless otherwise indicated.
In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.
The term "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
In the embodiment of the disclosure, the intelligent home appliance refers to a home appliance formed after a microprocessor, a sensor technology and a network communication technology are introduced into the home appliance, and has the characteristics of intelligent control, intelligent sensing and intelligent application, the operation process of the intelligent home appliance often depends on the application and processing of modern technologies such as the internet of things, the internet and an electronic chip, for example, the intelligent home appliance can realize remote control and management of a user on the intelligent home appliance by connecting the electronic appliance.
In the disclosed embodiment, the terminal device refers to an electronic device with a wireless connection function, and the terminal device can be in communication connection with the intelligent household electrical appliance through connecting with the internet, or can be in communication connection with the intelligent household electrical appliance through Bluetooth, wifi and other modes. In some embodiments, the terminal device is, for example, a mobile device, a computer, or an in-vehicle device built into a hover vehicle, etc., or any combination thereof. The mobile device may include, for example, a cell phone, smart home device, wearable device, smart mobile device, virtual reality device, etc., or any combination thereof, wherein the wearable device includes, for example: smart watches, smart bracelets, pedometers, etc.
In the embodiment of the present disclosure, as shown in connection with fig. 1, the air conditioning system mainly includes a refrigerant heat exchange module, a solar heat collection module 200, and an intermediate heat storage module 300. The refrigerant heat exchange module is mainly used for realizing the function of refrigerating or heating the indoor environment through the components such as the indoor unit 110 and the like; the solar heat collection module 200 is mainly used for collecting solar energy and heating a heat storage medium; the intermediate heat storage module 300 is mainly used for being connected with the refrigerant heat exchange module and the solar heat collection module 200 and performing heat exchange, and can be used as a transfer component for guiding heat to transfer between the refrigerant heat exchange module and the solar heat collection module 200.
In the embodiment, the components of the refrigerant heat exchange module mainly include a compressor 121, an outdoor heat exchanger 122, an indoor heat exchanger 111, a throttling device 123, a four-way valve, and the like.
Here, the body of the refrigerant heat exchange module includes two parts, i.e., an indoor unit 110 and an outdoor unit 120, wherein the indoor unit 110 is disposed at the indoor side, and the indoor heat exchanger 111 is disposed in the indoor unit 110 and is used for exchanging heat between the refrigerant and the indoor environment to absorb indoor heat for cooling or release heat for heating; the outdoor unit 120 is provided outside the room, and a compressor 121, an outdoor heat exchanger 122, a four-way valve, and the like are provided in the outdoor unit 120.
The components of the refrigerant heat exchange module are connected through refrigerant pipelines and are configured into a refrigerant circulation loop, the refrigerant is filled in the refrigerant circulation loop, and the refrigerant can circulate along the refrigerant circulation loop, so that heat is conveyed between the indoor side and the outdoor side.
In the embodiment of the disclosure, a "one-to-many" air conditioner model is taken as an example for illustration, the indoor unit 110 has a plurality of indoor heat exchangers 111, and as shown in fig. 1, the refrigerant heat exchange module is provided with 2 indoor heat exchangers 111,2 indoor heat exchangers 111 connected in parallel, and each parallel branch is respectively provided with a switching valve, and the switching valves can be used for controlling the on-off state of each parallel branch, so as to control the specifically started indoor heat exchanger 111.
In some alternative embodiments, solar thermal collection module 200 primarily includes solar thermal collector 210 and a solar thermal collection circuit; the solar heat collector 210 is connected with the intermediate heat storage module 300 through a solar heat collection loop to form a circulation loop for circulating heat storage working medium; in the circulation loop, a heat storage working medium is used as a carrier, and the heat transfer direction at least comprises two types: the first is the transfer of heat from the solar collector 210 to the intermediate heat storage module 300, and the second is the transfer of heat from the intermediate heat storage module 300 to the solar collector 210.
Alternatively, the solar collector 210 is a solar collector panel, which may be disposed in a region of a roof, an outer wall surface, or the like of a building that may be irradiated by the sun by paving, standing, or the like. The solar heat collecting plate comprises a plate body and a medium channel arranged in the plate body, wherein the medium channel is used for flowing a heat storage medium; meanwhile, the solar heat collector 210 further includes a liquid inlet port and a liquid outlet port, which are communicated with the medium channel, through which the heat storage medium flows into/out of the solar heat collector 210.
Optionally, a first stop valve 521 is disposed at the liquid inlet of the solar collector 210, and the first stop valve 521 can be used to controllably switch the on-off state of the liquid inlet. And optionally, a first stop valve 521 is also disposed at the outlet port of the solar collector 210, and the first stop valve 521 can be used for controlled switching of the on-off state of the outlet port.
In some embodiments, the circulation loop includes a first pipe 231 and a second pipe 232, wherein the first pipe 231 is used for connecting the liquid inlet of the solar collector 210 and the intermediate heat storage module 300, and the second pipe 232 is used for connecting the liquid outlet of the solar collector 210 and the intermediate heat storage module 300; therefore, the flow direction of the next optional heat storage working medium in the connection mode is as follows: the heat storage system comprises an intermediate heat storage module 300, a first pipeline 231, a liquid inlet port, a solar heat collector 210, a liquid outlet port, a second pipeline 232 and the intermediate heat storage module 300.
Optionally, the solar heat collection circuit is further provided with a third stop valve 523, and the third stop valve 523 is used to control the on-off of the flow path between the solar heat collector 210 and the intermediate heat storage part 310. In the present embodiment, the third stop valve 523 is provided 1 in each of the first pipe 231 and the second pipe 232.
In still other alternative embodiments, solar thermal collection module 200 further includes a thermal storage tank 220, thermal storage tank 220 having a space formed therein for receiving a thermal storage medium configured to controllably store the thermal storage medium.
Optionally, the heat storage tank 220 is a tank body with a hollow space, where the hollow space is used as a space for accommodating heat storage working medium; the thermal storage tank 220 has a liquid inlet port and a liquid outlet port through which the thermal storage tank 220 communicates with the solar heat collection circuit such that the thermal storage medium can flow into/out of the thermal storage tank 220 via the liquid inlet and outlet ports.
In some alternative embodiments, the thermal storage tank 220 is connected in parallel to the solar collector circuit; specifically, the liquid inlet port of the thermal storage tank 220 is connected in parallel to the second pipe 232, and the liquid outlet port is connected in parallel to the first pipe 231.
Optionally, the inlet of the thermal storage tank 220 is provided with a second stop valve 522, and the second stop valve 522 can be used for controllably switching the on-off state of the inlet. And optionally, a second stop valve 522 is also arranged at the outlet port of the solar collector 210, and the second stop valve 522 can be used for controllably switching the on-off state of the outlet port.
Here, by controlling the on-off engagement of the first stop valve 521, the second stop valve 522, and the third stop valve 523, it is possible to realize the transportation of the heat storage medium between any two of the solar collector 210, the heat storage tank 220, and the intermediate heat storage module 300, which are connected in the solar heat collection circuit. For example, when the solar heat collector 210 exchanges heat with the intermediate heat storage module 300, the first stop valve 521 and the third stop valve 523 are controlled to be opened, and the second stop valve 522 is controlled to be closed; when the solar heat collector 210 and the heat storage tank 220 exchange heat, the first stop valve 521 and the second stop valve 522 are controlled to be opened, and the third stop valve 523 is controlled to be closed; when the intermediate heat storage module 300 and the heat storage tank 220 exchange heat, the second stop valve 522 and the third stop valve 523 are controlled to be opened, and the first stop valve 521 is controlled to be closed.
Optionally, the heat storage tank 220 is further provided with an external pipeline 240, and the external pipeline 240 is communicated with the outside, and can be used for conveying the heat storage working medium into the heat storage tank 220 or leading the heat storage working medium out of the heat storage tank 220. The external connection pipe 240 is provided with an on-off valve 530, and the on-off valve 530 is used for controllably switching the on-off state of the external connection pipe 240.
Optionally, the types of thermal storage working fluid include, but are not limited to, one of the following types: water, glycol, or other simple substances or mixed media. In this embodiment, the heat storage medium is water, the heat storage tank 220 is a water tank with an inner container, and the external connection pipe 240 can be connected with an external water source to introduce water into the water tank; or can be connected with external water equipment and used by leading out water in the water tank.
In some alternative embodiments, the intermediate thermal storage module 300 generally includes an intermediate thermal storage 310, a shunt line 320, and a plurality of control valves.
The intermediate heat storage portion 310 is used as a main body of the intermediate heat storage module 300, and is communicated with the refrigerant heat exchange module through the solar heat collection loop solar heat collection module 200 and is communicated with the refrigerant heat exchange module through the parallel connection pipeline 320, and the intermediate heat storage portion 310 is configured to controllably exchange heat with the refrigerant heat exchange module and the solar heat collection module 200 so as to accumulate heat from the refrigerant heat exchange module and/or the solar heat collection module 200 or release heat to the refrigerant heat exchange module and/or the solar heat collection module 200.
Here, the intermediate heat storage portion 310 is connected in parallel to the discharge pipe 1211 of the compressor 121 through the parallel pipe 320, so that the intermediate heat storage portion 310 can exchange heat with the refrigerant discharged from the compressor 121 when the high-temperature refrigerant of the compressor 121 flows through the parallel pipe 320 where the intermediate heat storage portion 310 is located. And, a first control valve 511 is further disposed on the parallel pipeline 320, and the first control valve 511 is used for controlling the on-off state of the parallel pipeline 320; a second control valve 512 is provided on a parallel pipe section of the discharge pipe 1211 of the compressor 121 corresponding to the parallel pipe 320, for controlling the on-off state of the parallel pipe section.
In some embodiments, the intermediate heat storage portion 310 is a three-medium heat exchanger, and the three-medium heat exchanger has at least a refrigerant heat exchange tube section and a heat storage medium heat exchange tube section, where the refrigerant heat exchange tube section is connected in series with the parallel connection tube 320, and the heat storage medium heat exchange tube section is connected in series with the solar heat collection circuit, and is configured to at least enable the refrigerant heat exchange tube section and the heat storage medium heat exchange tube section to exchange heat between the refrigerant and the heat storage medium.
The intermediate heat storage portion 310 further includes a phase change material filled therein, the phase change material being capable of absorbing heat in the heat storage medium or refrigerant flowing through the intermediate heat storage portion 310 and releasing heat to the heat storage medium or refrigerant; in this embodiment, therefore, the heat and cold can also be stored in the intermediate heat storage portion 310 using the phase change material as a carrier.
In some alternative embodiments, as shown in connection with fig. 2, the air conditioning system further includes an external thermal module connected to the intermediate heat storage portion 310, the external thermal module being controllable to exchange heat with the refrigerant intermediate heat exchange portion and use the heat externally. Here, the external thermal module uses a thermal working medium as a carrier for heat transfer, and optionally, the thermal working medium is water.
Optionally, the external thermal module includes, but is not limited to, a geothermal heat 401 and/or a thermal water storage module (not shown in the figure), and a circulation loop for circulating a thermal medium for heat transfer is configured between the geothermal heat 401 and/or the thermal water storage module and the intermediate thermal storage portion 310.
The floor heating module can be in the form of a household radiator which is common at present or a floor heating pipeline which is paved below the ground; the type of the hot water storage module can be a household hot water tank, a water heater and the like.
Accordingly, the three-medium heat exchanger of the intermediate heat storage portion 310 further has a heat-use-medium heat exchange tube section connected to the external heat-use module, and is further configured to be capable of heat-exchanging at least any two or three of the refrigerant heat exchange tube section, the heat storage medium heat exchange tube section, and the heat-use-medium heat exchange tube section.
Optionally, a third control valve 513 for switching the on-off state of the geothermal heat 401 and the intermediate thermal storage 310 is further provided in the circulation loop. By controlling the on-off switching of the third control valve 513, the start-stop control of the geothermal heater 401 can be realized.
As shown in fig. 3, the embodiment of the disclosure further discloses a control method of an air conditioning system, where the air conditioning system may be an air conditioning system as shown in the above embodiments, so that diversified flow path regulation and control of the air conditioning system and function switching of a heat exchange mode of the air conditioning system may be implemented, and in particular, heating performance of a heating mode is improved; here, the main steps of the control method include:
s101, when an air conditioning system operates a heating mode, determining that a refrigerant heat exchange module meets a heat supplementing condition;
In this embodiment, the heat compensation condition is mainly used to characterize that the current heating efficiency or heating quantity of the refrigerant heat exchange module for the indoor side is lower than the set heating capacity, or the heating capacity of the refrigerant heat exchange module cannot reach the judging condition of the current actual heating requirement.
In some embodiments, an optional supplemental heating condition is:
Tp＜Te1；
wherein Tp is the outdoor ambient temperature, and Te1 is a preset first outer ring temperature threshold.
Under the heat compensation condition, when the outdoor environment temperature Tp is smaller than the preset first external ring temperature threshold Te1, the outdoor environment temperature is lower at this time, and the refrigerant heat exchange module cannot absorb enough heat from the outdoor environment, so that the heat actually input into the indoor for heating is lower, and therefore, the heat compensation is needed at this time.
Optionally, te has a value of 0 ℃, -2 ℃, -5 ℃ and the like.
In yet other alternative embodiments, yet another alternative supplemental heating condition is: the refrigerant heat exchange module achieves the highest heating power and the indoor environment temperature does not achieve the set target temperature.
Under the heat compensation condition, the indoor temperature does not reach the set target temperature, so that the maximum heating capacity of the refrigerant heat exchange module can not reach the current indoor heating requirement, and heat compensation is needed.
S102, controlling the intermediate heat storage part to supply heat to the refrigerant heat exchange module.
In this embodiment, when step S102 is performed, heat may be supplied to the refrigerant heat exchange module by the heat accumulated in the intermediate heat storage portion, or heat may be supplied to the refrigerant heat exchange module in a transit manner by the solar heat collection module via the intermediate heat storage portion.
At this time, the parallel pipeline corresponding to the middle heat storage part is in a conducting state, and the parallel pipeline corresponding to the refrigerant heat exchange module is in an opening or closing state, so that at least part of high-temperature refrigerant discharged by the compressor in the refrigerant heat exchange module can flow through the middle heat storage part, and the middle heat storage part utilizes heat accumulated by the middle heat storage part or heat of the solar heat collection module to further heat and raise the temperature of the refrigerant, thereby increasing the total amount of heat actually applied to the refrigerant heat exchange module and improving the heating effect on the indoor side.
In yet other alternative embodiments, after performing step S101, the steps further include: if the refrigerant heat exchange module does not meet the heat supplementing condition, the solar heat collection module is controlled to supply heat to the middle heat storage part, and the middle heat storage part is disconnected to supply heat to the refrigerant heat exchange module.
Under the condition that the refrigerant heat exchange module does not meet the heat supplementing condition, the fact that the refrigerant heat exchange module meets the heating requirement on the indoor side heating energy or heating quantity at the moment is explained, and therefore additional heat supplementing is not needed, and therefore the heat supply of the intermediate heat storage part to the refrigerant heat exchange module is controlled to be disconnected; meanwhile, the solar heat collection module is controlled to supply heat to the middle heat storage part so as to supplement the natural loss of heat accumulated by the middle heat storage part or the heat loss when the heat is supplied to the refrigerant heat exchange module.
As shown in fig. 4, the embodiment of the disclosure further discloses a control method of an air conditioning system, where the air conditioning system may be an air conditioning system as shown in the above embodiments, so that diversified flow path regulation and control of the air conditioning system and function switching of a heat exchange mode of the air conditioning system may be implemented, and in particular, refrigeration performance of a refrigeration mode is improved; here, the main steps of the control method include:
s201, when the air conditioning system operates in a refrigeration mode, determining that the refrigerant heat exchange module meets heat dissipation conditions;
In this embodiment, the heat compensation condition is mainly used to characterize that the current refrigerating energy efficiency or refrigerating capacity of the refrigerant heat exchange module for the indoor side is lower than the set refrigerating capacity, or the refrigerating capacity of the refrigerant heat exchange module cannot reach the judging condition of the current actual refrigerating requirement.
In some embodiments, an optional heat dissipation condition is:
Tp≥Te2；
wherein Tp is the outdoor ambient temperature, and Te2 is a preset second outer ring temperature threshold.
Under the heat dissipation condition, when the outdoor ambient temperature Tp is greater than or equal to the preset second external ring temperature threshold Te2, the outdoor ambient temperature is higher at this time, the heat discharged to the outdoor side by the outdoor heat exchanger of the refrigerant heat exchange module is limited, and more indoor heat is still in the refrigerant circulation loop, so that the refrigeration effect of the refrigerant heat exchange module is affected, and therefore, the auxiliary heat dissipation is needed at this time.
Optionally, te has a value of 35 ℃, 40 ℃, 45 ℃ and the like.
In yet other alternative embodiments, yet another alternative heat dissipation condition is: the refrigerant heat exchange module achieves the highest refrigerating power and the indoor environment temperature does not achieve the set target temperature.
Under the heat dissipation condition, the indoor temperature does not reach the set target temperature, so that the maximum refrigerating capacity of the refrigerant heat exchange module can not reach the current indoor refrigerating requirement, and therefore, the auxiliary heat dissipation is also needed.
S202, controlling the refrigerant heat exchange module to supply heat to the middle heat storage part.
In this embodiment, when step S202 is performed, heat can be absorbed from the refrigerant heat exchange module through the intermediate heat storage portion and stored in the heat storage portion, and heat can be absorbed from the refrigerant heat exchange module through the intermediate heat storage portion by the solar heat collection module.
At this time, the parallel pipeline corresponding to the middle heat storage part is in a conducting state, and the parallel pipeline corresponding to the refrigerant heat exchange module is in an opening or closing state, so that at least part of high-temperature refrigerant discharged by the compressor in the refrigerant heat exchange module can flow through the middle heat storage part, and the middle heat storage part stores heat by utilizing self heat storage capacity or transfers the heat to the solar heat collection module, thereby reducing the heat load of the outdoor heat exchanger for heat dissipation and improving the refrigerating effect on the indoor side.
In yet other alternative embodiments, after performing step S201, the steps further include: if the refrigerant heat exchange module is determined not to meet the heat dissipation condition, controlling the middle heat storage part to supply heat to the solar heat collection module, and disconnecting the heat supply of the refrigerant heat exchange module to the middle heat storage part.
Under the condition that the refrigerant heat exchange module does not meet the heat dissipation condition, the fact that the refrigerant heat exchange module meets the refrigeration requirement on the refrigerating energy efficiency or the refrigerating capacity of the indoor side at the moment is explained, so that the heat dissipation can be carried out without additional assistance, and the heat supply of the refrigerant heat exchange module to the middle heat storage part is controlled to be disconnected; meanwhile, the middle heat storage part is controlled to supply heat to the solar heat collection module, so that the heat absorbed by the middle heat storage part is transferred to the refrigerant heat exchange module to be dissipated, and the middle heat storage part can recover part of heat absorption and storage capacity.
Referring to fig. 5, the embodiment of the disclosure further discloses a control method of an air conditioning system, where after determining a working condition of the air conditioning system, the control method further performs regulation and control according to current refrigerating/heating capacity of the refrigerant heat exchange module so as to improve refrigerating/heating effects. Specifically, the control method includes:
s301, starting up and running an air conditioning system;
S302, determining a current operation mode of an air conditioning system; if the heating mode is the heating mode, step S303 is executed, and if the cooling mode is the cooling mode, step S306 is executed;
S303, judging whether Tp is smaller than Te1, if so, executing a step S304, and if not, executing a step S305;
S304, controlling the refrigerant heat exchange module to supply heat to the middle heat storage part; ending the flow;
s305, controlling the solar heat collection module to supply heat to the middle heat storage part, and disconnecting the heat supply of the middle heat storage part to the refrigerant heat exchange module; ending the flow;
S306, judging whether Tp is more than or equal to Te2, if so, executing step S307, and if not, executing step S308;
S307, controlling the refrigerant heat exchange module to supply heat to the middle heat storage part; ending the flow;
s308, controlling the middle heat storage part to supply heat to the solar heat collection module, and disconnecting the heat supply of the refrigerant heat exchange module to the middle heat storage part; the flow ends.
As shown in connection with fig. 6, an embodiment of the present disclosure provides a control apparatus for an air conditioning system, including a processor (processor) 100 and a memory (memory) 101. Optionally, the apparatus may further comprise a communication interface (Communication Interface) 102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via the bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the control method for an air conditioning system of the above-described embodiment.
Further, the logic instructions in the memory 101 described above may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product.
The memory 101 is a computer readable storage medium that can be used to store a software program, a computer executable program, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, i.e., implements the control method for an air conditioning system in the above-described embodiment.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for a function; the storage data area may store data created according to the use of the terminal device, etc. Further, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioning system, which comprises the control device for the air conditioning system.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described control method for an air conditioning system.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the control method for an air conditioning system described above.
The computer readable storage medium may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
Embodiments of the present disclosure may be embodied in a software product stored on a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of a method according to embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or a transitory storage medium.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this disclosure is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in the present disclosure, the terms "comprises," "comprising," and/or variations thereof, mean that the recited features, integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus that includes the element. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. The skilled artisan may use different methods for each particular application to achieve the described functionality, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the units may be merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. Each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (13)
1. An air conditioning system, comprising:
The refrigerant heat exchange module comprises a compressor, an outdoor heat exchanger and an indoor heat exchanger and is connected with the indoor heat exchanger through refrigerant pipelines to form a refrigerant circulation loop;
a solar heat collection module configured to collect solar energy and to heat a heat storage medium;
The solar heat collection module includes:
The solar heat collector is provided with a first stop valve at each of the liquid inlet and outlet ports;
The solar heat collection loop is connected with the heat storage working medium heat exchange pipeline of the solar heat collector and the middle heat storage part and is constructed into a circulation loop, so that the heat storage working medium can circularly flow between the solar heat collector and the middle heat storage part along the solar heat collection loop; the solar heat collection loop is also provided with a third stop valve, and the third stop valve is used for controlling the on-off of a flow path between the solar heat collector and the middle heat storage part;
a heat storage tank connected in parallel to the solar heat collection circuit and configured to controllably store the heat storage medium; wherein, the liquid inlet and outlet ports of the heat storage box are respectively provided with a second stop valve;
The middle heat storage module comprises a middle heat storage part which is respectively communicated with the refrigerant heat exchange module and the solar heat collection module, and the middle heat storage part is configured to controllably exchange heat with the refrigerant heat exchange module and the solar heat collection module so as to store heat from the refrigerant heat exchange module and/or the solar heat collection module or release heat to the refrigerant heat exchange module and/or the solar heat collection module; the intermediate heat storage part comprises a phase change material filled in the intermediate heat storage part, and the phase change material can absorb heat of a heat storage working medium or refrigerant flowing through the intermediate heat storage part and release heat to the heat storage working medium or refrigerant; the middle heat storage part is positioned in the outdoor unit;
The on-off cooperation of the first stop valve, the second stop valve and the third stop valve is controlled, so that the heat storage working medium can be conveyed among any two of the solar heat collector, the heat storage box and the middle heat storage module, which are connected with the solar heat collection loop.
2. The air conditioning system of claim 1, wherein the intermediate heat storage module further comprises:
the parallel pipeline is connected in parallel with the exhaust pipeline of the compressor; the middle heat storage part is arranged on the parallel pipeline so that the middle heat storage part can exchange heat with the refrigerant discharged by the compressor;
The first control valve is arranged on the parallel pipeline and is used for controlling the on-off state of the parallel pipeline;
And the second control valve is arranged on the exhaust pipeline of the compressor and corresponds to the parallel pipeline section of the parallel pipeline and is used for controlling the on-off state of the parallel pipeline section.
3. An air conditioning system according to claim 1 or 2, wherein the intermediate heat storage section is a three-medium heat exchanger having at least a refrigerant heat exchange tube section, a heat storage medium heat exchange tube section, configured to enable at least the refrigerant heat exchange tube section, the heat storage medium heat exchange tube section to exchange heat.
4. The air conditioning system according to claim 3, further comprising an external heat module connected to the intermediate heat exchange portion and configured to controllably exchange heat with the refrigerant intermediate heat exchange portion;
The three-medium heat exchanger of the intermediate heat storage part is further provided with a heat-using-medium heat exchange tube section, the heat-using-medium heat exchange tube section is connected with the external heat module, and the three-medium heat exchanger is further configured to enable at least any two or three of the refrigerant heat exchange tube section, the heat storage medium heat exchange tube section and the heat-using-medium heat exchange tube section to exchange heat.
5. The air conditioning system according to claim 4, wherein the external heat using module includes a geothermal heater, and a circulation loop for circulating the heat using medium to transport heat is constructed between the geothermal heater and the intermediate heat storage;
and a third control valve for switching the on-off state of the circulating loop is arranged on the circulating loop.
6. A control method for an air conditioning system according to any one of claims 1 to 5, comprising:
when the air conditioning system operates in a heating mode, determining that the refrigerant heat exchange module meets the heat supplementing condition;
and controlling the intermediate heat storage part to supply heat to the refrigerant heat exchange module.
7. The control method according to claim 6, characterized by further comprising:
and if the refrigerant heat exchange module does not meet the heat supplementing condition, controlling the solar heat collection module to supply heat to the middle heat storage part, and disconnecting the heat supply of the middle heat storage part to the refrigerant heat exchange module.
8. The control method according to claim 6 or 7, characterized in that the complementary heat condition includes:
Tp＜Te1；
wherein Tp is the outdoor ambient temperature, and Te1 is a preset first outer ring temperature threshold.
9. A control method for an air conditioning system according to any one of claims 1 to 5, comprising:
When the air conditioning system operates in a refrigeration mode, determining that the refrigerant heat exchange module meets heat dissipation conditions;
and controlling the refrigerant heat exchange module to supply heat to the middle heat storage part.
10. The control method according to claim 9, characterized by further comprising:
And if the refrigerant heat exchange module does not meet the heat dissipation condition, controlling the middle heat storage part to supply heat to the solar heat collection module, and disconnecting the heat supply of the refrigerant heat exchange module to the middle heat storage part.
11. The control method according to claim 9 or 10, characterized in that the heat radiation condition includes:
Tp≥Te2；
wherein Tp is the outdoor ambient temperature, and Te2 is a preset second outer ring temperature threshold.
12. A control apparatus for an air conditioning system comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the control method for an air conditioning system according to any one of claims 6 to 11 when the program instructions are run.
13. A storage medium storing program instructions which, when executed, perform the control method for an air conditioning system according to any one of claims 6 to 11.
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