CN113654139B - Cold and heat source heat pump integrated system and method and device for controlling same - Google Patents
Cold and heat source heat pump integrated system and method and device for controlling same Download PDFInfo
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- CN113654139B CN113654139B CN202110886600.2A CN202110886600A CN113654139B CN 113654139 B CN113654139 B CN 113654139B CN 202110886600 A CN202110886600 A CN 202110886600A CN 113654139 B CN113654139 B CN 113654139B
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 238000005057 refrigeration Methods 0.000 claims abstract description 47
- 239000012530 fluid Substances 0.000 claims description 28
- 230000001276 controlling effect Effects 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 20
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 13
- 238000003860 storage Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 5
- 238000004590 computer program Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004804 winding Methods 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
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to the technical field of intelligent families, and discloses a cold and heat source heat pump integrated system, which comprises: a refrigeration cycle unit including a first heat exchanger and a second heat exchanger; the heat exchange end of the heat output unit is in heat exchange with the first heat exchanger, and a plurality of heat output interfaces are externally connected with a heat exchange device of a terminal needing heat; the cold energy exchange end of the cold energy output unit is in heat exchange with the second heat exchanger, and a plurality of cold output interfaces are externally connected with a terminal heat exchanger needing cooling; the outdoor heat exchanger is connected in parallel to the refrigeration cycle unit by conducting the first pipeline group or the second pipeline group. The energy-requiring equipment is intensively and uniformly distributed by a refrigeration cycle unit matched with the heat output unit and the cold output unit, so that the heat and the cold generated on the two heat exchangers are effectively utilized, heating equipment and refrigeration equipment in a specific environment space are unified, waste heat is recycled, and the cost is greatly saved. The application also discloses a method and a device for controlling the same.
Description
Technical Field
The application relates to the technical field of smart families, in particular to a cold and heat source heat pump integrated system and a control method and device thereof.
Background
At present, the refrigerating equipment and the heating equipment are respectively provided with a set of refrigerating circulation unit so as to meet the self refrigerating/heating requirements, and the generated waste energy is discharged at will, so that energy waste is caused. And the manufacturing cost of each refrigeration device and each heating device is high.
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 product forms of the existing refrigeration equipment and heating equipment cause great energy waste, and no way for effectively and simply utilizing waste energy exists.
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 a cold and heat source heat pump integrated system, a method and a device for controlling the same, and provides a novel cold and heat unified distribution mode, so that each heat-requiring device and each cold-requiring device do not need to be independently provided with a heat pump compressor, and heat and cold are effectively utilized.
In some embodiments, the cold-heat source heat pump integrated system comprises: a refrigeration cycle unit including a first heat exchanger and a second heat exchanger; the heat output unit comprises a heat exchange end and a plurality of heat output interfaces, wherein the heat exchange end is in heat exchange with the first heat exchanger, and the plurality of heat output interfaces are used for being communicated with a heat exchange device of a heat-requiring terminal; the cold energy output unit comprises a cold energy exchange end and a plurality of cold output interfaces, wherein the cold energy exchange end and the second heat exchanger realize heat exchange, and the plurality of cold output interfaces are used for being communicated with a terminal heat exchanger needing cooling; the outdoor heat exchanger is arranged in parallel with the first heat exchanger through a first pipeline group, and is arranged in parallel with the second heat exchanger through a second pipeline group; the outdoor heat exchanger is connected in parallel to the refrigeration cycle unit by conducting the first pipeline group or the second pipeline group.
In some embodiments, the method comprises: acquiring total heat demand according to the heat demand of each heat demand terminal;
acquiring total cooling demand according to the cooling demand of each cooling demand terminal;
when the total required cold energy is larger than the total required heat energy, the first pipeline group is controlled to be conducted, and the outdoor heat exchanger is connected into the refrigeration cycle unit and is connected with the first heat exchanger in parallel;
when the total required cold quantity is smaller than the total required heat quantity, the second pipeline group is controlled to be conducted, and the outdoor heat exchanger is connected into the refrigeration cycle unit and is connected with the second heat exchanger in parallel;
when the total required cooling capacity is equal to the total required heat quantity, the first pipeline group and the second pipeline group are maintained to be closed, and the refrigeration cycle unit is controlled to operate;
and controlling the refrigeration cycle unit to start to operate according to the total heat demand or the total cold demand with large demand.
In some embodiments, the apparatus comprises: a processor and a memory storing program instructions, characterized in that the processor is configured to execute the aforementioned method for cold heat source heat pump integrated system control when executing the program instructions.
In some embodiments, the cold-heat source heat pump integrated system includes: the device for controlling the cold and heat source heat pump integrated system comprises the device for controlling the cold and heat source heat pump integrated system.
The cold and heat source heat pump integrated system and the method and the device for controlling the same provided by the embodiment of the disclosure can realize the following technical effects:
the cold and heat source heat pump integrated system of the embodiment of the disclosure provides a new unified cold and heat distribution mode, so that each heat-requiring device and each cold-requiring device do not need to be independently provided with a heat pump compressor, one refrigeration cycle unit is matched with a heat output unit and a cold output unit to distribute uniformly, heat and cold generated on two heat exchangers of the refrigeration cycle unit are effectively utilized, the current situation that each refrigeration device or each heating device is provided with an independent heat pump compressor is changed, the heating devices and the refrigeration devices in a specific environment space are unified, waste heat is effectively recycled, and cost is greatly saved. In addition, the energy consumption and noise are reduced.
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 a cold and heat source heat pump integrated system provided in an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of another heat and cold source heat pump integrated system provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another heat and cold source heat pump integrated system provided by an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another heat and cold source heat pump integrated system provided by an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a method for cold and heat source heat pump integrated system control provided by an embodiment of the present disclosure;
fig. 6 is a schematic diagram of an apparatus for cold and heat source heat pump integrated system control provided in an embodiment of the present disclosure.
Reference numerals:
10. a refrigeration cycle unit; 11. a first heat exchanger; 12. a second heat exchanger; 13. a compressor; 14. a throttle device; 20. a heat output unit; 21. a heat exchange end; 22. a heat output interface; 23. a heat circulation line; 24. a thermal circulation pump; 30. a cold output unit; 31. a cold exchange end; 32. a cold output interface; 33. a cold quantity circulation pipeline; 34. a cold circulation pump; 40. an outdoor heat exchanger; 411. a heat pipe I; 412. a heat pipe II; 413. a thermal control valve I; 414. a thermal control valve II; 421. a cold pipe line I; 422. cold pipe ii; 423. a cold control valve I; 424. a cold control valve II; 50. a forced cooling output unit; 51. a forced cooling output interface; 52. a first communication line; 53. a second communication line; 60. a fluid supply device; 71. a heat requiring terminal; 72. a terminal needing cooling; 73. a forced cooling terminal is required.
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.
It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.
As shown in conjunction with fig. 1 to 4, the embodiment of the present disclosure provides a cold and heat source heat pump integrated system including a refrigeration cycle unit 10, a heat output unit 20, a cold output unit 30, and an outdoor heat exchanger 40, the refrigeration cycle unit 10 including a first heat exchanger 11 and a second heat exchanger 12; the heat output unit 20 comprises a heat exchange end 21 and a plurality of heat output interfaces 22, wherein the heat exchange end 21 is in heat exchange with the first heat exchanger 11, and the plurality of heat output interfaces 22 are used for communicating with a heat exchanging device of a heat requiring terminal 71; the cold energy output unit 30 comprises a cold energy exchange end 31 and a plurality of cold output interfaces 32, the cold energy exchange end 31 and the second heat exchanger 12 realize heat exchange, and the plurality of cold output interfaces 32 are used for being communicated with the heat exchanger of the terminal 72 needing cold; the outdoor heat exchanger 40 is arranged in parallel with the first heat exchanger 11 through a first pipeline group, and is arranged in parallel with the second heat exchanger 12 through a second pipeline group; by switching on the first line group or the second line group, the outdoor heat exchanger 40 is connected in parallel to the refrigeration cycle unit 10.
The cold-heat source heat pump integrated system of the embodiment of the present disclosure is suitable for a scenario where both the cold-requiring terminal 72 and the hot-requiring terminal 71 are present in a specific environmental space, for example, a home environment, a cell, or even a community. The refrigeration cycle units 10 of the heat requiring terminals 71 and the cold requiring terminals 72 in the specific environmental space are independently integrated into one refrigeration cycle unit 10, and the heat and the cold are output to the corresponding heat exchanger of the cold requiring terminal 72 and the corresponding heat exchanger of the cold requiring terminal 72 through the heat output unit 20 and the cold output unit 30, respectively. Meanwhile, in combination with the fact that the heat and cold required in the specific environment space are not completely matched in practical application, the outdoor heat exchanger 40 is additionally arranged, and the heat and cold required of each heat requiring terminal 71 and each cold requiring terminal 72 can be ensured to obtain the respective matched heat and cold required by switching on the first pipeline group and the second pipeline group to enable the first pipeline group to be connected with the first heat exchanger 11 in parallel and connected with the refrigeration cycle unit 10 or connected with the second heat exchanger 12 in parallel and connected with the refrigeration cycle unit 10 so as to consume redundant heat or cold required.
The cold and heat source heat pump integrated system of the embodiment of the disclosure provides a new unified cold and heat distribution mode, so that each heat-requiring device and each cold-requiring device do not need to be configured with a heat pump compressor separately, one refrigeration cycle unit 10 is matched with the heat output unit 20 and the cold output unit 30 to distribute uniformly, heat and cold generated on two heat exchangers of the refrigeration cycle unit 10 are utilized effectively, the current situation that each refrigeration device or each heating device is configured with a separate heat pump compressor is changed, heating devices and refrigeration devices in a specific environment space are unified, waste heat is recycled effectively, and cost is saved greatly. In addition, the energy consumption and noise are reduced.
The refrigeration cycle unit 10 further comprises a compressor 13, a throttling device 14 and other structural members, and the compressor 13, the second heat exchanger 12, the throttling device 14 and the first heat exchanger 11 are sequentially communicated end to form a complete refrigeration cycle system.
In the embodiment of the disclosure, the heat-requiring terminal 71 and the cold-requiring terminal 72 only need to provide heat exchangers in the corresponding heat-requiring space/cold-requiring space, and the heat exchangers are communicated with the heat output interface 22 of the heat output unit 20 or the cold output interface 32 of the cold output unit 30. It will be appreciated that the heat and cold terminals 71, 72 are not heating and cooling devices in the complete sense, at least the heat pump compressor and one heat exchanger are eliminated from the refrigeration cycle. Of course, when the cold-heat source heat pump integrated system of the embodiment of the present disclosure is constructed, the heat-requiring terminal 71 and the cold-requiring terminal 72 may be existing heating equipment and cooling equipment, and only the heat exchangers for providing heat/cold to the heat-requiring space/the cold-requiring space need to be connected to the respective corresponding heat output interfaces 22 or 32.
In the embodiment of the present disclosure, the number of the plurality of heat output interfaces 22 in the heat output unit 20 is not limited, and is determined according to the number of heat exchanging devices of the heat demand terminal 71 that are actually connected and pre-connected. The heat demand terminal 71 may include any one or more of a heating device, a hot water device, a floor heating device, a fan, and the like. The heat exchanging device of the heat requiring terminal 71 is a component for exchanging heat in each heat requiring terminal 71, for example, an end radiator in a heating device, a heat exchanging coil/heat exchanger in a hot water device, a floor heating pipeline of a floor heating device, a fan disc in a fan, an air conditioning indoor unit pipe in a heating mode, and the like. For example, as shown in fig. 1, the heat output ports 22 include four heat output ports 22, which may be in communication with any four of a fan coil, a radiator, a heat exchange coil/heat exchanger within a hot water unit, a floor heating pipe, and an air conditioning indoor unit heat exchanger, respectively. Of course, not limited to the four listed, it is also possible to include terminals whose air conditioner and hierarchy belong to both heat and cold requirements, which may also communicate with the cold output interface.
In the embodiment of the disclosure, the number of the plurality of cold output interfaces 32 in the cold output unit 30 is not limited, and is determined according to the number of the heat exchanging devices of the cold requiring terminal 72 that are actually connected and pre-connected. Wherein the cold requiring terminal 72 comprises any one or more of a refrigerator, a freezer, a wine cabinet, a fan, and the like. The heat exchange device of the cooling-requiring terminal 72 is a component for heat exchange in each cooling-requiring terminal 72, such as a heat exchanger/heat exchange coil in a refrigerator, a freezer and a sideboard, a fan coil in a fan, and the like. For example, as shown in FIG. 1, the cold output interface 32 includes three cold output interfaces 32 that can communicate with the fan coil, the heat exchanger of the refrigerated cabinet, and the wine cabinet heat exchange coil, respectively. Of course, the heat exchanger of the indoor unit of the air conditioner is not limited to the three types listed, and the terminal which needs heat and cooling can be also included.
In the embodiment of the present disclosure, the heat requiring terminal 71 and the cold requiring terminal 72 include home terminal apparatuses applicable to home environments, cells, even communities, and the like, but are not limited to home terminal apparatuses of course.
In the disclosed embodiment, both the hot output interface 22 and the cold output interface 32 have two ports, one being an ingress port and the other being an egress port.
Optionally, flow control devices are provided on each of the two ports of the heat output interface 22. Controlling the amount of heat output from the heat output interface 22. For example, an electrically controlled valve.
Optionally, flow control devices are provided on each of the two ports of the cold output interface 32. Controlling the amount of cooling output of the cooling output interface 32. For example, an electrically controlled valve.
The structural forms of the heat output unit 20 and the cold output unit 30 are not limited as long as the energy transfer function is achieved. Optionally, the heat output unit 20 comprises a fluid medium circulation output unit and/or the cold output unit 30 comprises a fluid medium circulation output unit. The fluid medium circulation output unit comprises an energy exchange end, a circulation pipeline and an energy output interface. According to the heat exchange energy, the energy exchange end is a heat exchange end 21 or a cold exchange end 31, the energy output interface is a heat output interface 22 or a cold output interface 32, the circulation pipeline is a heat circulation pipeline 23 or a cold circulation pipeline 33, and a corresponding circulation pump is further arranged on the circulation pipeline to realize fluid circulation. Such as the hot circulation pump 24 and the cold circulation pump 34.
The configuration of the energy exchange end (heat exchange end 21 or cold exchange end 31) of the fluid medium circulation output unit is determined according to the configuration of the first heat exchanger 11 or the second heat exchanger 12 performing heat exchange. The first heat exchanger 11 is described as an example. When the first heat exchanger 11 is of a wind-fluid heat exchange structure, the fluid flow path is connected to the refrigeration cycle unit 10, and the heat exchange end 21 of the fluid medium circulation output unit is disposed on the surface of the first heat exchanger 11, for example, winding. When the first heat exchanger 11 is of a fluid-fluid heat exchange structure, that is, has two fluid flow paths, one fluid flow path is connected to the refrigeration cycle unit 10, and the heat exchange end 21 of the fluid medium circulation output unit is connected to the other fluid flow path.
Alternatively, the first heat exchanger 11 and the second heat exchanger 12 employ a fluid-fluid heat exchange structure.
In the fluid medium circulation output unit, the fluid medium is not limited, and may be a fluid capable of carrying energy, for example, water.
The energy output interface (hot output interface 22 or cold output interface 32) of the fluid medium circulation output unit is plural to access different terminals. The energy output interfaces are arranged in parallel, and control valves are arranged on the energy inflow interfaces and the energy outflow interfaces of the energy output interfaces so as to adjust the fluid flow of each interface and further adjust the energy output quantity.
In some embodiments, the cold source heat pump integrated system further comprises a fluid replenishment device 60 for replenishing the heat output unit 20 and the cold output unit 30 with a fluid medium. Alternatively, the heat output unit 20 and the cold output unit 30 are water circulation output units, and the fluid replenishment device 60 supplements water to the heat output unit 20 and the cold output unit 30. Alternatively, fluid supply 60 is a water pump.
In the embodiment of the disclosure, it is understood that the first pipeline group and the second pipeline group are in a normally closed state, and the first pipeline group or the second pipeline group is conducted only when needed.
In some embodiments, the first pipe group includes two heat pipes and two heat control valves, the two heat pipes respectively connecting the two ports of the outdoor heat exchanger 40 to the two-port pipes of the first heat exchanger 11; the two heat control valves are respectively connected into the corresponding heat pipelines; the control outdoor heat exchanger 40 is connected in parallel with the first heat exchanger 11 or is disconnected by controlling the opening or closing of the two heat control valves in a coordinated manner. As shown in fig. 1, the two heat pipes are respectively marked as a heat pipe i 411 and a heat pipe ii 412, the two heat control valves are respectively marked as a heat control valve i 413 and a heat control valve ii 414, the heat pipe i 411 is communicated with the first port of the outdoor heat exchanger 40 and the first port of the first heat exchanger 11, and the heat control valve i 413 is connected to the heat pipe i 411; the heat pipe II 412 is communicated with the second port of the outdoor heat exchanger 40 and the second port of the first heat exchanger 11, and the heat control valve II 414 is connected to the heat pipe II 412.
In some embodiments, the second tube set includes two cold energy tubes and two cold control valves, the two cold energy tubes respectively connecting the two ports of the outdoor heat exchanger 40 to the two-port tubes of the second heat exchanger 12; the two cold control valves are respectively connected into the corresponding cold quantity pipelines; the control outdoor heat exchanger 40 is connected in parallel with the second heat exchanger 12 or is disconnected by controlling the opening or closing of the two cold control valves in a coordinated manner. As shown in fig. 1, the two cold pipe lines are respectively denoted as a cold pipe line i 421 and a cold pipe line ii 422, the two cold control valves are respectively denoted as a cold control valve i 423 and a cold control valve ii 424, the cold pipe line i 421 communicates the first port of the outdoor heat exchanger 40 with the first port of the second heat exchanger 12, and the cold control valve i 423 is connected to the cold pipe line i 421; the cold pipe line II 422 is communicated with the second port of the outdoor heat exchanger 40 and the second port of the second heat exchanger 12, and the cold control valve II 424 is connected to the cold pipe line II 422.
In some embodiments, the cold-heat source heat pump integrated system further comprises a forced cooling output unit, including a forced cooling output interface 51, where the forced cooling output interface 51 is connected to the refrigeration cycle unit 10 in parallel with the second heat exchanger 12, for communicating with the heat exchanger device of the terminal 73 requiring forced cooling. In this embodiment, the terminal 73 requiring forced cooling needs to be below zero for the temperature of the cooling space, for example, the terminal 73 requiring forced cooling includes a cooling device requiring a cooling function such as a refrigerator or a freezer.
In this embodiment, the forced cooling output interface 51 includes a forced cooling inlet port and a forced cooling outlet port, which are connected to the pipelines at two ends of the second heat exchanger 12 through communication pipelines respectively. As shown in fig. 1, the strong cold inflow port is connected into the pipe at the first end of the second heat exchanger 12 through the first communication pipe 52, and the strong cold outflow port is connected into the pipe at the second end of the second heat exchanger 12 through the second communication pipe 53.
In the embodiments of the present disclosure, reference to an "interface" is meant to include two ports, one being an ingress port and the other being an egress port.
Referring to fig. 5, an embodiment of the disclosure provides a method for controlling a cold and hot source heat pump integrated system, including:
s110, acquiring total heat demand according to the heat demand of each heat demand terminal 71; the total cooling demand is obtained based on the cooling demand of each cooling demand terminal 72.
The heat demand of each heat demand terminal 71 is obtained by the operation parameters set by the user for each heat demand terminal 71, and the heat demand of each cold demand terminal 72 is obtained by the operation parameters set by the user for each cold demand terminal 72.
And S120, controlling the first pipeline group to be conducted under the condition that the total required cold energy is larger than the total required heat energy, and connecting the outdoor heat exchanger 40 into the refrigeration cycle unit 10 and connecting the outdoor heat exchanger with the first heat exchange in parallel. Here, the outdoor heat exchanger 40 operates in parallel with the first heat exchanger 11, and discharges the surplus heat. The operating circuit of the heat pump integrated system in this case goes to the one shown in fig. 3 and defines the heat pump integrated system in this case as a main cold operation mode.
And when the total required cooling capacity is smaller than the total required heat capacity, the second pipeline group is controlled to be conducted, and the outdoor heat exchanger 40 is connected into the refrigeration cycle unit 10 and is connected in parallel with the second heat exchange. Here, the outdoor heat exchanger 40 is operated in parallel with the second heat exchanger 12, and excess cold is discharged. The operating circuit of the heat pump integrated system in this case goes as shown in fig. 2 and defines the heat pump integrated system in this case as a main heat operation mode.
In the case where the total required cooling amount is equal to the total required heat amount, the first and second pipe groups are maintained to be closed, and the operation of the refrigeration cycle unit 10 is controlled. Here, in the case where the total required cooling amount and the total required heat amount are balanced, the additional outdoor heat exchanger 40 is not required, and only the first heat exchanger 11 and the second heat exchanger 12 of the refrigeration cycle unit 10 can satisfy the cooling-heating balance. The operating line of the heat pump integrated system in this case runs as shown in fig. 4.
And S130, controlling the refrigeration cycle unit 10 to start running according to the total heat demand or the total cold demand with large demand. The refrigeration cycle unit 10 is powered with a greater total heat demand or total cold demand. Of course, when the total required amount of cooling is equal to the total required amount of heat, the total required amount of cooling may be used as the functional requirement.
In the embodiment of the disclosure, by determining the total heat demand and the total cold demand, it is determined whether to introduce the outdoor heat exchanger 40 and the parallel connection mode thereof, so as to realize the heat and cold balance of the heat pump integrated system.
In some embodiments, the method for cold-heat source heat pump integrated system control further comprises: according to the heat demand of each heat demand terminal 71, the heat exchange amount of each corresponding heat output interface 22 in the heat output unit 20 is regulated; the heat exchange amount of the respective corresponding cold output interfaces 32 in the cold output units 30 is adjusted according to the heat demand amount of the respective cold demand terminals 72. Specifically, the adjustment of the heat exchange amount can be realized by control valves arranged on the interfaces.
In some embodiments, cold output interface 32 communicates with an air conditioning heat exchanger and hot output interface 22 communicates with an air conditioning heat exchanger; when the air conditioner is in the cooling mode, the heat output interface 22 is controlled to be opened according to the indoor humidity. Here, during the air conditioner cooling operation, the cold output port 32 communicates with the air conditioner heat exchanger, guaranteeing the cooling demand. Meanwhile, according to the judgment of the indoor humidity, the heat output interface 22 is moderately opened, so that the heating effect on the air is achieved, and the dehumidification function is enhanced.
In this embodiment, the air conditioning indoor unit includes two heat exchangers, each of which is respectively in communication with the cold output interface 32 and the hot output interface 22. When the control method is realized, the heat output interface 22 of the heat exchanger close to the air inlet side is controlled to be opened. Thereby realizing the predrying of the air entering the heat exchanger close to the air outlet side and strengthening the dehumidification function.
As shown in connection with fig. 6, an embodiment of the present disclosure provides an apparatus for cold and hot source heat pump integrated system control, including a processor (processor) 80 and a memory (memory) 81. Optionally, the apparatus may further comprise a communication interface (Communication Interface) 82 and a bus 83. The processor 80, the communication interface 82, and the memory 81 may communicate with each other via the bus 83. The communication interface 82 may be used for information transfer. The processor 80 may call logic instructions in the memory 81 to perform the method for cold and heat source heat pump integrated system control of the above-described embodiment.
Further, the logic instructions in the memory 81 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 81 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 80 executes the functional application and data processing by running the program instructions/modules stored in the memory 81, i.e., implements the method for cold-heat source heat pump integrated system control in the above-described embodiment.
The memory 81 may include a storage program area that may store an operating system, at least one application program required for functions, and a storage data area; the storage data area may store data created according to the use of the terminal device, etc. In addition, the memory 81 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides a cold and heat source heat pump integrated system, which comprises the device for controlling the cold and heat source heat pump integrated system.
The cold and heat source heat pump integrated system of the embodiment of the disclosure further comprises the cold and heat source heat pump integrated system of any of the foregoing embodiments.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for cold-heat source heat pump integrated system control.
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 above-described method for cold heat source heat pump integrated system control.
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 comprising such elements. 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 (8)
1. A cold and heat source heat pump integrated system, comprising:
a refrigeration cycle unit including a first heat exchanger and a second heat exchanger;
the heat output unit comprises a heat exchange end and a plurality of heat output interfaces, wherein the heat exchange end is in heat exchange with the first heat exchanger, and the plurality of heat output interfaces are used for being communicated with a heat exchange device of a heat-requiring terminal;
the cold energy output unit comprises a cold energy exchange end and a plurality of cold output interfaces, wherein the cold energy exchange end and the second heat exchanger realize heat exchange, and the plurality of cold output interfaces are used for being communicated with a terminal heat exchanger needing cooling;
the outdoor heat exchanger is arranged in parallel with the first heat exchanger through a first pipeline group, and is arranged in parallel with the second heat exchanger through a second pipeline group; the outdoor heat exchanger is connected in parallel into the refrigeration cycle unit by conducting the first pipeline group or the second pipeline group;
the cold and heat source heat pump integrated system is applied to scenes of home environments, communities or communities;
the heat-requiring terminal comprises heat exchangers arranged in the corresponding heat-requiring spaces, the heat exchangers are communicated with the heat output interfaces of the heat output units, and the heat-requiring terminal is not provided with a heat pump compressor;
the terminal to be cooled comprises heat exchangers arranged in the corresponding spaces to be cooled, the heat exchangers are communicated with the cold output interfaces of the cold output units, and the terminal to be cooled is not provided with a heat pump compressor;
the first pipe set includes:
two heat pipelines which respectively connect the two interfaces of the outdoor heat exchanger to the pipelines of the two ports of the first heat exchanger;
the two heat control valves are respectively connected into the corresponding heat pipelines;
controlling the outdoor heat exchanger to be communicated with the first heat exchanger in parallel or cut off by controlling the opening or closing of the two heat control valves in a linkage way;
the second pipe group includes:
two cold energy pipelines which respectively communicate two interfaces of the outdoor heat exchanger with the pipelines of two ports of the second heat exchanger;
the two cold control valves are respectively connected into the corresponding cold quantity pipelines;
and controlling the outdoor heat exchanger to be communicated with the second heat exchanger in parallel or cut off by controlling the two cold control valves to be opened or closed in a linkage way.
2. The heat and cold source heat pump integrated system according to claim 1, further comprising:
the forced cooling output unit comprises a forced cooling output interface, and the forced cooling output interface is connected into the refrigeration cycle unit in parallel with the second heat exchanger and is used for being communicated with a heat exchange device of a terminal needing forced cooling.
3. The heat and cold source heat pump integrated system according to claim 1, wherein,
the heat output unit comprises a fluid medium circulation output unit; and/or the cold output unit comprises a fluid medium circulation output unit.
4. The heat and cold source heat pump integrated system according to claim 3, further comprising:
and the fluid replenishing device is used for replenishing the fluid medium for the heat output unit and/or the cold output unit.
5. A method for cold and heat source heat pump integrated system control according to any one of claims 1 to 4, comprising:
acquiring total heat demand according to the heat demand of each heat demand terminal;
acquiring total cooling demand according to the cooling demand of each cooling demand terminal;
when the total required cold energy is larger than the total required heat energy, the first pipeline group is controlled to be conducted, and the outdoor heat exchanger is connected into the refrigeration cycle unit and is connected with the first heat exchanger in parallel;
controlling the second pipeline group to be conducted under the condition that the total required cold energy is smaller than the total required heat energy, and connecting the outdoor heat exchanger into the refrigeration cycle unit and connecting the outdoor heat exchanger with the second heat exchanger in parallel;
when the total required cooling capacity is equal to the total required heat quantity, the first pipeline group and the second pipeline group are maintained to be closed, and the refrigeration cycle unit is controlled to operate;
and controlling the refrigeration cycle unit to start to operate according to the total heat demand or the total cold demand with large demand.
6. The method for cold and heat source heat pump integrated system control according to claim 5, further comprising:
according to the heat demand of each heat demand terminal, the heat exchange quantity of the corresponding heat output interface in the heat output unit is regulated;
and adjusting the heat exchange quantity of the corresponding cold output interfaces in the cold quantity output units according to the heat demand of the terminals needing cooling.
7. An apparatus for cold-heat source heat pump integrated system control comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for cold-heat source heat pump integrated system control of claim 5 or 6 when executing the program instructions.
8. A cold and heat source heat pump integrated system comprising the apparatus for cold and heat source heat pump integrated system control according to claim 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110886600.2A CN113654139B (en) | 2021-08-03 | 2021-08-03 | Cold and heat source heat pump integrated system and method and device for controlling same |
| PCT/CN2022/094929 WO2023010956A1 (en) | 2021-08-03 | 2022-05-25 | Cold and heat source heat pump integrated system, and method and apparatus for controlling same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110886600.2A CN113654139B (en) | 2021-08-03 | 2021-08-03 | Cold and heat source heat pump integrated system and method and device for controlling same |
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| CN113654139A CN113654139A (en) | 2021-11-16 |
| CN113654139B true CN113654139B (en) | 2023-08-18 |
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| CN202110886600.2A Active CN113654139B (en) | 2021-08-03 | 2021-08-03 | Cold and heat source heat pump integrated system and method and device for controlling same |
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| WO (1) | WO2023010956A1 (en) |
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| CN113654139B (en) * | 2021-08-03 | 2023-08-18 | 青岛海尔空调器有限总公司 | Cold and heat source heat pump integrated system and method and device for controlling same |
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Also Published As
| Publication number | Publication date |
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| CN113654139A (en) | 2021-11-16 |
| WO2023010956A1 (en) | 2023-02-09 |
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