CN113864865A - Water replenishing heat pump air conditioning system and water replenishing control method - Google Patents
Water replenishing heat pump air conditioning system and water replenishing control method Download PDFInfo
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- CN113864865A CN113864865A CN202111257196.9A CN202111257196A CN113864865A CN 113864865 A CN113864865 A CN 113864865A CN 202111257196 A CN202111257196 A CN 202111257196A CN 113864865 A CN113864865 A CN 113864865A
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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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
- F24F11/62—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F25B41/30—Expansion means; Dispositions thereof
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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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Abstract
The invention relates to the field of heat pump air-conditioning systems, in particular to a water replenishing heat pump air-conditioning system and a water replenishing control method. This moisturizing heat pump air conditioning system includes: an outdoor unit; the indoor unit is connected with the outdoor unit through a refrigerant pipeline to form a loop; the indoor tail end is connected with the indoor unit through a pipeline to form a loop; the water replenishing branch is communicated with one of the pipelines connected with the indoor unit and the indoor tail end; and the water flow switch is arranged on the other pipeline connecting the indoor unit and the indoor tail end, and when the water flow switch sends a protection signal, a user is prompted to start a one-key water replenishing function, and a water replenishing branch is started to replenish water for the water replenishing heat pump air conditioning system. The water replenishing heat pump air-conditioning system provided by the invention has the advantages that the water replenishing branch is added on the traditional heat pump air-conditioning system, and the step of judging whether the water flow switch protection exists is added before the water replenishing branch is started, so that the water replenishing process of the traditional heat pump air-conditioning system is optimized, and the water replenishing heat pump air-conditioning system has the advantages of high efficiency and simple operation.
Description
Technical Field
The invention relates to the technical field of heat pump air-conditioning systems, in particular to a water replenishing heat pump air-conditioning system and a water replenishing control method.
Background
At present, heat pump units are more and more popular with users, and a heat pump air conditioning system with the heat pump units becomes one of the main heating modes of northern users. Compared with the traditional refrigerant, the air conditioning system taking water as the refrigerant is more environment-friendly. However, when the water system is shut down or operated for a long time, the conditions of water vapor evaporation and dissipation or local micro leakage and filter blockage caused by impurities in the tail end/water pipe exist, so that the water flow of the operation of the heat pump air conditioning system is influenced, and the energy efficiency of the heat pump unit is reduced and even the guarantee treatment is carried out.
At present, according to water supplementing solutions of air conditioning systems, one method is to directly supplement water by installing a water supplementing water tank, and the other method is to judge whether water is needed or not by detecting system pressure.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is how to quickly solve the problem of water shortage of a unit water system due to normal water vapor dissipation, so that the invention provides the water replenishing heat pump air-conditioning system and the water replenishing control method.
In order to solve the above technical problem, an embodiment of the present invention provides a water replenishing heat pump air conditioning system, including: an outdoor unit; the indoor unit is connected with the outdoor unit through a refrigerant pipeline to form a loop; the indoor tail end is connected with the indoor unit through a pipeline to form a loop; the water replenishing branch is communicated with one of the pipelines connected with the indoor unit and the indoor tail end; and the water flow switch is arranged on the other pipeline connecting the indoor unit and the indoor tail end, and when the water flow switch sends a protection signal, a user is prompted to start a one-key water replenishing function, and the water replenishing branch is started to replenish water for the water replenishing heat pump air conditioning system.
Further, the moisturizing branch road include: the water replenishing system comprises a water replenishing electromagnetic valve, a water replenishing pump and a filter which are connected in sequence, wherein the water replenishing electromagnetic valve is suitable for switching on and off water entering the water replenishing heat pump air conditioning system and is arranged at the outlet end of the water replenishing pump; the water replenishing pump is suitable for supplying tap water flowing through the filter to the water replenishing heat pump air conditioning system and is arranged at the outlet end of the filter; the filter is suitable for water entering the water supplementing branch to be filtered and arranged at the inlet end of the water supplementing branch.
Further, still include: the water inlet temperature sensing bulb is suitable for reading the water temperature at the inlet end of the indoor unit and is arranged at the inlet end of the indoor unit; and the water outlet temperature sensing bulb is suitable for reading the water temperature at the outlet end of the indoor unit and is arranged at the outlet end of the indoor unit.
Further, still include: the operation of the water replenishing heat pump air conditioning system is carried out on the premise that the heat pump air conditioning unit stably operates.
Further, the moisturizing heat pump air conditioning system still include: a compressor disposed between an outlet end of the outdoor unit and an inlet end of the indoor unit; the throttling component is arranged between the outlet end of the indoor unit and the inlet end of the outdoor unit; the refrigerant pipeline is suitable for conveying refrigerants, the first pipeline is arranged between the outlet end of the compressor and the inlet end of the indoor unit, the second pipeline is arranged between the outlet end of the indoor unit and the inlet end of the throttling component, the third pipeline is arranged between the outlet end of the throttling component and the inlet end of the outdoor unit, and the fourth pipeline is arranged between the outlet end of the outdoor unit and the inlet end of the compressor.
Further, still include: the compressor, the indoor unit, the throttling component and the outdoor unit are all connected through the refrigerant pipe to form a closed loop.
In order to solve the technical problem, an embodiment of the present invention provides a water supplement control method for a water supplement heat pump air conditioning system, including: judging whether a signal for protecting the water flow switch is received or not; if not, after the water replenishing heat pump air-conditioning system stably operates for a period of time, judging whether the difference between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value; if the difference between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value, starting the water supplementing branch to supplement water for the water supplementing heat pump air conditioning system; and when the water inlet and outlet temperature difference is equal to the difference or sum of the target water inlet and outlet temperature difference and the set temperature difference deviation value, closing the water supplementing branch and stopping supplementing water to the water supplementing heat pump air conditioning system.
Further, the determining whether the signal for protecting the water flow switch is received includes: if yes, prompting the user to start a one-key water replenishing function.
Further, when receiving the signal of water flow switch protection, the suggestion user opens a key moisturizing function, includes: judging whether the water flow switch is switched on or not; if so, the water replenishing pump is forcibly operated for a period of time; if not, reporting a system fault, and carrying out manual inspection on the water flow switch.
Further, if yes, the water replenishing branch starts to work, and the method comprises the following steps: opening a water replenishing electromagnetic valve; and starting a water replenishing pump to replenish water for the heat pump air conditioning system.
Further, still include: judging whether the water flow switch reaches a preset time length or not; if yes, the water replenishing pump continues to operate for a fixed time, and if not, a system fault is reported, and manual inspection is carried out on the water flow switch.
Further, still include: and when the operation of the water replenishing pump is stopped, the protection of the water flow switch is eliminated, and the heat pump air-conditioning system operates normally.
An embodiment of the present invention further provides an electronic device, including: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus; the processor is used for calling the computer program in the memory, and all the steps of the water replenishing control method of the water replenishing heat pump air conditioning system are realized when the processor executes the computer program.
The embodiment of the invention also provides a non-transitory computer readable storage medium, wherein a computer program is stored on the non-transitory computer readable storage medium, and when the computer program is executed by the processor, all the steps of the water supplementing control method of the water supplementing heat pump air conditioning system are realized.
The technical scheme of the invention has the following advantages:
1. the invention provides a water replenishing heat pump air-conditioning system which comprises an outdoor unit, an indoor tail end, a water replenishing branch and a water flow switch, wherein when the water flow switch sends a protection signal, the water replenishing branch is started to replenish water for the water replenishing heat pump air-conditioning system. Through increasing the moisturizing branch road and judging rivers switch protect signal, it is right to moisturizing heat pump air conditioning system carries out quick moisturizing, solves the water shortage problem that the unit water system leads to because of the normal dissipation of steam fast, simultaneously, when guaranteeing moisturizing heat pump air conditioning system even running, the cost of lowering system, the user operation of being convenient for promotes user experience.
2. According to the water replenishing heat pump air-conditioning system, the water temperature sensing bag is additionally arranged at the inlet end of the indoor unit, the water temperature sensing bag is additionally arranged at the outlet end of the indoor unit, so that the water temperatures at the inlet end and the outlet end of the indoor unit can be quickly read, the time for starting the water replenishing branch is shortened, the problem of water shortage caused by water vapor dissipation is quickly judged and solved, and the efficient operation of the water replenishing heat pump air-conditioning system is realized.
3. The water replenishing control method of the water replenishing heat pump air conditioning system provided by the invention judges the working condition of the water flow switch by judging whether a signal for protecting the water flow switch is received; and if the water flow switch protection signal is not received, if the difference value between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value, starting the water supplementing branch. The method reduces the cost of the system and realizes the high efficiency and simple operation of the water replenishing heat pump air-conditioning system while ensuring the stable operation of the water replenishing heat pump air-conditioning system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a water replenishing heat pump air conditioning system according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating steps of a water replenishing control method for a water replenishing heat pump air conditioning system according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a water replenishing control method of the water replenishing heat pump air conditioning system according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to the present invention.
Reference numerals:
1-an outdoor unit; 2-an indoor unit; 3-indoor end; 4-water flow switch;
5-water supplement electromagnetic valve; 6-water replenishing pump; 7-a filter; 8-a water replenishing branch; 9-water inlet temperature sensing bulb;
10-water outlet temperature sensing bag;
301-a processor; 302-a memory; 303-a communication interface; 304-communication bus.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
With reference to fig. 1, the water replenishing heat pump air conditioning system provided in this embodiment includes:
an outdoor unit 1;
an indoor unit 2, wherein the indoor unit 2 is connected with the outdoor unit 1 through a refrigerant pipeline to form a loop;
an indoor end 3, wherein the indoor end 3 is connected with the indoor unit 2 through a pipeline to form a loop;
the water replenishing branch 8 is communicated with one pipeline connected with the indoor unit 2 and the indoor tail end 3; and
and the water flow switch 4 is arranged on the other pipeline connecting the indoor unit 2 and the indoor tail end 3, wherein when the water flow switch 4 sends a protection signal, a user is prompted to start a one-key water replenishing function, and the water replenishing branch 8 is started to replenish water for the water replenishing heat pump air conditioning system.
The moisturizing heat pump air conditioning system that this embodiment provided comprises off-premises station 1, indoor set 2, indoor end, moisturizing branch road 8 and rivers switch 4, wherein, when this rivers switch 4 sends the protection signal, starts this moisturizing branch road 8 in order to carry out the moisturizing for this moisturizing heat pump air conditioning system. Through the step of increasing moisturizing branch road 8 and judging this water flow switch 4 protection signal, carry out quick moisturizing to this moisturizing heat pump air conditioning system, solve the water shortage problem that the unit water system leads to because of the normal dissipation of steam fast, when guaranteeing system steady operation, reduce system's cost, the user operation of being convenient for promotes user experience.
In a preferred embodiment of the present application, the moisturizing heat pump air conditioning system further comprises: this moisturizing branch road 8, wherein, this moisturizing branch road 8 includes: a water replenishing electromagnetic valve 5, a water replenishing pump 6 and a filter 7 which are connected in sequence. The water replenishing solenoid valve 5 filters water through a filter 7 and then conveys the water into the water replenishing heat pump air conditioning system.
Preferably, the water replenishing solenoid valve 5 can be selected according to actual conditions, such as a ball valve, a butterfly valve and the like.
Preferably, the filter 7 is arranged at the outlet end of the water replenishing pump 6 and is used for water quality treatment to prevent the water replenishing heat pump air conditioning system from being polluted or partially blocked.
Specifically, the water replenishing heat pump air conditioning system is further provided with a compressor (not shown), a throttling component (not shown) and a refrigerant pipeline (not shown), and the outdoor unit 1, the indoor unit 2, the compressor and the throttling component form a closed loop.
Specifically, the refrigerant pipeline includes a first pipeline disposed between the outlet end of the compressor and the inlet end of the indoor unit, a second pipeline disposed between the outlet end of the indoor unit and the inlet end of the throttling component, a third pipeline disposed between the outlet end of the throttling component and the inlet end of the outdoor unit 1, and a fourth pipeline disposed between the outlet end of the outdoor unit 1 and the inlet end of the compressor.
Preferably, the first pipeline, the second pipeline, the third pipeline and the fourth pipeline in the refrigerant pipeline all adopt the same kind of pipes, such as rubber, steel and the like.
The following describes a water replenishing control method of a water replenishing heat pump air conditioning system according to an embodiment of the present invention in detail with reference to specific application examples.
As shown in fig. 1, after a user starts the water replenishing heat pump air conditioning system, after the unit keeps stable operation, the water replenishing electromagnetic valve 5 and the water replenishing pump 6 are controlled by detecting the change of the temperature difference of inlet and outlet water, and water replenishing is stopped when the temperature difference of inlet and outlet water of the system is maintained in an optimal state, so that automatic water replenishing of the system is realized. If the water flow switch 4 is reported for protection after the unit is started, a user can start a one-key water replenishing function, after the water replenishing pump 6 replenishes water for the system, the water flow switch 4 can be normally switched on and stably works, the system finishes water replenishing, the water flow switch 4 is turned off, and if the water flow switch 4 cannot normally work after water replenishing, the system fault is reported for manual inspection.
As shown in fig. 2, the water replenishing control method for the water replenishing heat pump air conditioning system according to the embodiment includes the following steps:
step S101: and judging whether a signal for protecting the water flow switch 4 is received or not.
If not, executing step S102, and step S102: and after the water replenishing heat pump air-conditioning system stably operates for a period of time, judging whether the difference value between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value.
If the difference between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is greater than or equal to the set value, executing step S103, and step S103: and starting the water supplementing branch 8 to supplement water for the water supplementing heat pump air conditioning system.
When the water inlet and outlet temperature difference is equal to the difference or the sum of the target water inlet and outlet temperature difference and the set temperature difference deviation value, executing the step S104, and executing the step S104: and closing the water supplementing branch 8 and stopping supplementing water to the water supplementing heat pump air conditioning system.
Specifically, in a preferred embodiment of the present invention, the step S101 further includes the following steps:
if yes, go to step S201, step S201: prompting the user to start a one-key water replenishing function. The user only needs to carry out key operation, can start the moisturizing work of moisturizing heat pump air conditioning system, can realize moisturizing heat pump air conditioning system's high efficiency and simple and convenient operation.
Step S202: and judging whether the water flow switch 4 is switched on or not.
If yes, go to step S203, step S203: and controlling the water replenishing pump 6 to forcibly run for a period of time.
If not, executing step S204, and step S204: and reporting system faults, and carrying out manual inspection on the water flow switch 4.
Specifically, in an embodiment, the step S103 further includes the following steps:
step S301: the water replenishing solenoid valve 5 is opened.
Step S302: and starting a water replenishing pump 6 to replenish water for the heat pump air conditioning system.
Specifically, in an embodiment, the step S203 further includes the following steps:
step S401: and judging whether the water flow switch 4 reaches a preset time length.
If yes, go to step S402, step S402: and the water replenishing pump 6 is operated for a fixed time and then stopped.
If not, go to step S403, step S403: and reporting system faults, and carrying out manual inspection on the water flow switch 4.
Specifically, in an embodiment, the step S402 further includes the following steps:
step S501: and when the water replenishing pump 6 stops operating, the protection of the water flow switch 4 is eliminated, and the heat pump air-conditioning system operates normally.
The following describes a water replenishing control method of a water replenishing heat pump air conditioning system according to an embodiment of the present invention in detail with reference to specific application examples.
As shown in fig. 3, based on the initial stable operation state of the unit (water replenishing heat pump air conditioning system), it is assumed that the initial operation flow rate of the unit is qm0When the unit stably operates at a certain frequency under a certain working condition, the capacity of the unit is basically kept constant, and the corresponding target inlet and outlet water temperature difference of the unit is delta Tn(n is used to define the difference between the inlet and outlet water temperatures as a variable corresponding to the capacity of the unit, n>0 and no practical significance). According to the heat conservation, when the capacity of the unit is increased or decreased to a certain value, the temperature difference Delta T between inlet water and outlet water is increased or decreased to a corresponding Delta T according to a certain proportionnIf the unit water flow q is at the momentmWhen the temperature difference delta T of the real-time inlet and outlet water is reduced, the temperature difference delta T can be obviously increased, and the water flow q is increased after water is supplementedmAnd when the temperature difference delta T between the inlet water and the outlet water is increased, the real-time temperature difference delta T between the inlet water and the outlet water is reduced. The method comprises the following specific steps:
the unit is started to normally run, and the real-time inlet and outlet water temperature difference delta T and the target inlet and outlet water temperature difference delta T are detected after the standby unit stably runs for a period of timenComparing, wherein the water flow q of the system is caused by the evaporation and the dissipation of the water vapor of the unitmGradually decreases, and the real-time water inlet and outlet temperature difference delta T and the target water inlet and outlet temperature difference delta TnCompared with the prior art, if the temperature difference between inlet water and outlet water is increased, the temperature is delta T-delta TnA is more than or equal to a (a is a set value, a)>0) And controlling the water replenishing electromagnetic valve 5 and the water replenishing pump 6 to be opened to replenish water to the system until the temperature difference between inlet water and outlet water meets the requirement that delta T is equal to delta Tn±b(0<b<a and b are set temperature difference deviation values), and the operation can be maintained in the state within the time t, which indicates the flow q of the unitmUp to qm0If the water level is horizontal, the water replenishing to the system is stopped; if the temperature difference between inlet and outlet water is delta T-delta Tn<a, indicating the system water flow qmAnd (4) the number of the units is not reduced, and the units can normally run.
After the unit is started, the water flow switch 4 is used for protection, a user starts a one-key water replenishing function after receiving a fault feedback signal, the water replenishing electromagnetic valve 5 is opened, and meanwhile, the water replenishing pump 6 is started to replenish water to the system.
If the water flow switch 4 is not turned on after the water supply of the system, the system still cannot work normally, the water supply pump 6 and the water supply electromagnetic valve 5 are turned off and feed back the system fault, and the system needs to be manually checked.
If the water flow switch 4 is switched on after water replenishing, the water replenishing pump 6 operates again at delta t1Time, and judging whether the water flow switch 4 can reach the preset time delta t under the state of keeping on, if not, indicating the systemIf water leakage or other system faults exist, the water replenishing pump 6 and the water replenishing electromagnetic valve 5 are closed and feed back the system faults, and fault troubleshooting needs to be carried out manually.
If the preset time duration delta t is reached, the water replenishing pump 6 continues to operate for a fixed time duration delta t2And stopping, closing the water replenishing electromagnetic valve 5, protecting and eliminating the water flow switch 4, and completing normal water replenishing operation of the system.
The embodiment of the invention judges the working condition of the water flow switch 4 by judging whether a signal for protecting the water flow switch 4 is received; and if the signal for protecting the water flow switch 4 is not received, if the difference value between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value, starting the water supplementing branch 8. The water replenishing control method provided by the invention can be used for reducing the cost of the system and realizing the high-efficiency and simple operation of the water replenishing heat pump air-conditioning system while ensuring the stable operation of the water replenishing heat pump air-conditioning system.
According to a third aspect of the present invention, there is also provided an electronic device, with reference to fig. 4, the electronic device specifically includes the following: the system comprises a processor 301, a memory 302, a communication interface 303 and a communication bus 304, wherein the processor 301, the memory 302 and the communication interface 303 complete mutual communication through the communication bus 304.
The processor 301 is configured to call a computer program in the memory 302, and when the processor 301 executes the computer program, all the steps of the water replenishing control method for the water replenishing heat pump air conditioning system are implemented, for example, when the processor 301 executes the computer program, the following processes are implemented:
and step S101, judging whether the signal for protecting the water flow switch 4 is received or not.
And S102, if not, after the water replenishing heat pump air-conditioning system stably operates for a period of time, judging whether the difference value between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value.
And S103, if the difference between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value, starting the water supplementing branch 8 to supplement water for the water supplementing heat pump air conditioning system.
And step S104, when the temperature difference of the inlet water and the outlet water is equal to the difference or the sum of the target temperature difference of the inlet water and the outlet water and the set temperature difference deviation value, closing the water replenishing branch 8 and stopping replenishing the water to the water replenishing heat pump air conditioning system.
The memory 302 is a non-transitory computer readable storage medium, and can be used for storing non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the methods of the embodiments of the present invention. The processor 301 executes various functional applications and data processing of the processor by executing non-transitory software programs, instructions and modules stored in the memory 302, that is, implements the method in the above-described method embodiments.
The memory 302 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 301, and the like. Further, the memory 302 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 302 may optionally include memory located remotely from the processor 301, which may be connected to the processor 301 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more modules are stored in the memory 302, which when executed by the processor 301, perform the methods of the above-described method embodiments.
Yet another embodiment of the present invention provides a non-transitory computer readable storage medium, which stores thereon a computer program, when being executed by the processor 301, the computer program implementing all the steps of the water replenishing control method of the water replenishing heat pump air conditioning system, for example, when the processor 301 executes the computer program, the following processes are implemented:
and step S101, judging whether the signal for protecting the water flow switch 4 is received or not.
And S102, if not, after the water replenishing heat pump air-conditioning system stably operates for a period of time, judging whether the difference value between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value.
And S103, if the difference between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value, starting the water supplementing branch 8 to supplement water for the water supplementing heat pump air conditioning system.
And step S104, when the temperature difference of the inlet water and the outlet water is equal to the difference or the sum of the target temperature difference of the inlet water and the outlet water and the set temperature difference deviation value, closing the water replenishing branch 8 and stopping replenishing the water to the water replenishing heat pump air conditioning system.
In addition, the logic instructions in the memory 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. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed 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 modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (14)
1. A water replenishing heat pump air conditioning system, comprising:
an outdoor unit (1);
the indoor unit (2) is connected with the outdoor unit (1) through a refrigerant pipeline to form a loop;
the indoor tail end (3) is connected with the indoor unit (2) through a pipeline to form a loop;
the water replenishing branch (8), the water replenishing branch (8) is communicated with one pipeline connected with the indoor unit (2) and the indoor tail end (3); and
and the water flow switch (4) is arranged on another pipeline which is connected with the indoor unit (2) and the indoor tail end (3), wherein when the water flow switch (4) sends a protection signal, a user is prompted to start a key water replenishing function, and the water replenishing branch is started to replenish water for the water replenishing heat pump air conditioning system.
2. The moisturizing heat pump air-conditioning system according to claim 1, characterized in that said moisturizing branch (8) comprises:
a water replenishing electromagnetic valve (5), a water replenishing pump (6) and a filter (7) which are connected in sequence, wherein,
the water replenishing electromagnetic valve (5) is suitable for switching on and off water entering the water replenishing heat pump air conditioning system and is arranged at the outlet end of the water replenishing pump (6);
the water replenishing pump (6) is suitable for supplying tap water flowing through the filter (7) to the water replenishing heat pump air conditioning system and is arranged at the outlet end of the filter (7);
and the filter (7) is suitable for filtering the water entering the water supplementing branch (8) and is arranged at the inlet end of the water supplementing branch (8).
3. The moisturizing heat pump air conditioning system of claim 1, further comprising:
the water inlet temperature sensing bulb (9) is suitable for reading the water temperature at the inlet end of the indoor unit (2) and is arranged at the inlet end of the indoor unit (2);
and the water outlet temperature sensing bulb (10) is suitable for reading the water temperature at the outlet end of the indoor unit (2) and is arranged at the outlet end of the indoor unit (2).
4. The moisturizing heat pump air conditioning system of claims 1-3, further comprising:
the operation of the water replenishing heat pump air conditioning system is carried out on the premise that the heat pump air conditioning unit stably operates.
5. The system of any one of claims 1-3, further comprising:
the compressor is arranged between the outlet end of the outdoor unit (1) and the inlet end of the indoor unit (2);
the throttling component is arranged between the outlet end of the indoor unit (2) and the inlet end of the outdoor unit (1);
the refrigerant pipeline is suitable for conveying refrigerants, a first pipeline is arranged between the outlet end of the compressor and the inlet end of the indoor unit (2), a second pipeline is arranged between the outlet end of the indoor unit (2) and the inlet end of the throttling component, a third pipeline is arranged between the outlet end of the throttling component and the inlet end of the outdoor unit (1), and a fourth pipeline is arranged between the outlet end of the outdoor unit (1) and the inlet end of the compressor.
6. The moisturizing heat pump air conditioning system of claim 5, further comprising:
the compressor, the indoor unit (2), the throttling component and the outdoor unit (1) are connected through the refrigerant pipe to form a closed loop.
7. A water replenishing control method of a water replenishing heat pump air conditioning system is characterized by comprising the following steps:
judging whether a signal for protecting the water flow switch (4) is received or not;
if not, after the water replenishing heat pump air-conditioning system stably operates for a period of time, judging whether the difference between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value;
if the difference between the water inlet and outlet temperature difference and the target water inlet and outlet temperature difference is larger than or equal to a set value, starting the water supplementing branch (8) to supplement water for the water supplementing heat pump air conditioning system;
when the water inlet and outlet temperature difference is equal to the difference or sum of the target water inlet and outlet temperature difference and the set temperature difference deviation value, the water supplementing branch (8) is closed, and water supplementing of the water supplementing heat pump air conditioning system is stopped.
8. The water replenishing control method of the water replenishing heat pump air conditioning system according to claim 7, wherein the judging whether the signal for protecting the water flow switch (4) is received comprises:
if yes, prompting the user to start a one-key water replenishing function.
9. The water replenishing control method of the water replenishing heat pump air conditioning system according to claim 8, wherein when a signal of protection of the water flow switch (4) is received, a user is prompted to start a one-key water replenishing function, and the method comprises the following steps:
judging whether the water flow switch (4) is switched on or not;
if yes, the water replenishing pump (6) is forcibly operated for a period of time;
if not, the system fault is reported, and the water flow switch (4) is manually checked.
10. The method for controlling water replenishment of a water replenishing heat pump air conditioning system according to claim 9, wherein if yes, the water replenishing branch (8) starts to operate, and the method comprises the following steps:
opening the water replenishing electromagnetic valve (5);
and starting a water replenishing pump (6) to replenish water for the heat pump air conditioning system.
11. The water replenishing control method of the water replenishing heat pump air conditioning system according to claim 9, further comprising:
judging whether the water flow switch (4) reaches a preset time length or not;
if yes, the water replenishing pump (6) continues to operate for a fixed time and then stops;
if not, the system fault is reported, and the water flow switch (4) is manually checked.
12. The water replenishing control method of the water replenishing heat pump air conditioning system according to claim 11, further comprising:
and when the water replenishing pump (6) stops operating, the water flow switch (4) is protected and eliminated, and the heat pump air-conditioning system operates normally.
13. An electronic device comprising a memory, a processor and a computer program stored in the memory and operable on the processor, wherein the processor executes the program to implement the steps of the method of any one of claims 7 to 12.
14. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program when executed by a processor implements the steps of the method for controlling water replenishment of a water replenishing heat pump air conditioning system according to any one of claims 7 to 12.
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| CN202111257196.9A CN113864865A (en) | 2021-10-27 | 2021-10-27 | Water replenishing heat pump air conditioning system and water replenishing control method |
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| CN202111257196.9A CN113864865A (en) | 2021-10-27 | 2021-10-27 | Water replenishing heat pump air conditioning system and water replenishing control method |
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| CN112665183A (en) * | 2021-01-20 | 2021-04-16 | 同济大学 | Air source heat pump double-water-tank hot water system and control method thereof |
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2021
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| JP2002243274A (en) * | 2001-02-21 | 2002-08-28 | Sanyo Electric Co Ltd | Heat pump type water heater |
| CN104121703A (en) * | 2014-08-01 | 2014-10-29 | 江苏天舒电器有限公司 | Method and device for controlling direct heat type double-source heat pump water heater |
| CN106288074A (en) * | 2016-08-02 | 2017-01-04 | 于春明 | A kind of water source heat pump air-conditioner recycling-guard device |
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