CN115289732B - Heat pump system control method and device, electronic equipment and storage medium - Google Patents
Heat pump system control method and device, electronic equipment and storage medium Download PDFInfo
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Classifications
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The invention discloses a heat pump system control method, a device, electronic equipment and a storage medium.
Description
Technical Field
The present invention relates to the field of heat pump technologies, and in particular, to a heat pump system control method, a heat pump system control device, an electronic device, and a storage medium.
Background
The air source heat pump is a heating device which uses air as a low-level heat source to enable heat to flow from the low-level heat source to a high-level heat source, and the air source heat pump is gradually widely applied to daily life due to the fact that the air is convenient to take, free of compensation and huge in quantity in the operation process of the air source heat pump, and the economy and the energy-saving effect of the air source heat pump are outstanding.
However, the current air source heat pump lacks the control to self running performance in the use, and when the air source heat pump is abnormal because of real-time heating quantity and standard heating quantity are inconsistent, the running state of the air source heat pump is difficult to find out the running problem of the air source heat pump and adjust, and the running abnormality of the air source heat pump is easy to cause that the actual water outlet temperature of a user is inconsistent with the preset water outlet temperature in the use process of the air source heat pump, so that the comfort level of the user is reduced, the energy loss is increased, the air source heat pump is always in the running abnormal state, and the service life is shortened.
Disclosure of Invention
The invention provides a heat pump system control method, a heat pump system control device, electronic equipment and a storage medium, which are used for solving the problems that an air source heat pump is in an abnormal operation state for a long time and unnecessary mechanical loss is caused due to lack of monitoring on the operation process of the air source heat pump.
According to an aspect of the present invention, there is provided a heat pump system control method including:
calculating a plurality of first heating quantity fluctuation values for the heat pump system in a target time interval;
determining a first running state of the heat pump system in the target time interval according to a plurality of first heating quantity fluctuation values;
and if the first operation state is abnormal operation, adjusting the operation parameters of the heat pump system until a second operation state of the heat pump system after the operation parameters of the heat pump system are adjusted is normal operation.
According to another aspect of the present invention, there is provided a heat pump system control apparatus including:
the first heating quantity fluctuation value calculation module is used for calculating a plurality of first heating quantity fluctuation values for the heat pump system in a target time interval;
a first operation state determining module, configured to determine a first operation state of the heat pump system in the target time interval according to a plurality of the first heating amount fluctuation values;
and the operation state adjusting module is used for adjusting the operation parameters of the heat pump system if the first operation state is abnormal operation until the second operation state of the heat pump system after the operation parameters of the heat pump system are adjusted is normal operation.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the heat pump system control method according to any one of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to execute the heat pump system control method according to any one of the embodiments of the present invention.
According to the technical scheme provided by the invention, the plurality of first heating quantity fluctuation values are calculated for the heat pump system in the target time interval, and the first operation state of the heat pump system in the target time interval is determined according to the plurality of first heating quantity fluctuation values, so that when the first operation state of the heat pump system is abnormal in operation, the operation parameters of the heat pump system are regulated until the first operation state of the heat pump system is normal in operation, and the operation safety of the heat pump system is ensured. Compared with the prior air source heat pump which lacks an operation mode of monitoring and adjusting the operation process of the air source heat pump, the invention monitors and judges the operation state of the heat pump system by calculating the first heating quantity fluctuation value of the heat pump system in the target time interval of the operation process, adjusts the operation parameters of the heat pump system in time when the operation is abnormal, improves the safety of the heat pump system when the operation is abnormal, reduces the fault loss of the heat pump system caused by the fact that the heat pump system in abnormal operation is not timely adjusted, prolongs the service life of the heat pump system, and further reduces the time of the heat pump system in the abnormal operation state by timely adjusting the operation state of the heat pump system, and improves the comfort of users in the process of using the heat pump system. It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a heat pump system control method according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a heat pump system according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heat pump system control device according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device implementing a heat pump system control method according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above 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 such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a heat pump system control method according to an embodiment of the present invention, where the embodiment is applicable to monitoring an operation state of an air source heat pump, and when the air source heat pump is in an abnormal operation state, the method is performed by a heat pump system control device, where the heat pump system control device may be implemented in a hardware and/or software form, and where the heat pump system control device may be configured in an electronic device. As shown in fig. 1, the method includes:
s110, calculating a plurality of first heating quantity fluctuation values for the heat pump system in a target time interval.
The heat pump system in this embodiment may be an air source heat pump system that uses air as a low level heat source. The air source heat pump system can convert low-level heat energy which cannot be directly utilized in the low-level heat source of air into high-level heat energy which can be directly utilized through a small amount of high-level heat energy, so that the energy saving effect of saving the high-level heat energy is achieved, and the high-level heat energy can be generated through energy sources such as coal, fuel gas, oil or electric energy. The heat pump system in this embodiment is composed of various components, and as shown in fig. 2, the heat pump system 210 may include a compressor 220, a four-way valve 230, a condenser 240, a liquid reservoir 250, an expansion valve 260, an evaporator 270, a control main board 280, a water pump driving module 290, a variable frequency water pump 2100, a turbine flowmeter 2110, a water inlet sensor 2120, a water outlet sensor 2130, an environmental sensor 2140, and the like. In the embodiment, the real-time water flow of the heat pump system can be measured through the turbine flowmeter, the water inlet temperature and the water outlet temperature of the heat pump system are respectively measured through the water inlet sensor and the water outlet sensor, the environment temperature of the environment where the heat pump system is located is measured through the environment sensor, and the heating function of the heat pump system is realized through the synergistic effect of the components.
In this embodiment, in order to avoid dry heating of the heat pump system due to small real-time water flow, the real-time water flow of the heat pump system can be measured through the turbine flowmeter after the heat pump system is powered on for a period of time, such as after the heat pump system is powered on for 3 minutes, when the real-time water flow is smaller than a certain proportion of a preset standard water flow, such as smaller than 40% of the preset standard water flow, a protection mode of too low real-time water flow is entered, and this information is fed back to the client, the client can log in with a user, and the user can check and maintain the heat pump system when knowing that the heat pump system is in a state of too low real-time water flow, so as to ensure safe operation of the heat pump system.
Furthermore, in this embodiment, the operation state of the heat pump system may be detected within a target time interval after the heat pump system is started, where the detection is completed based on the first heating amount fluctuation value of the heat pump system, and the target time interval may be a preset fixed operation time interval after the heat pump system is started, for example, after the heat pump system is started for 5 minutes, the first heating amount fluctuation value of the heat pump system is continuously calculated within 1 minute every 5 minutes, and the 1 minute may be the target time interval described in this embodiment.
Specifically, in this embodiment, the process of calculating the first heating amount fluctuation value may be that a plurality of first moments are set in a target time interval, where the first moments may be set according to the frequency of the turbine flowmeter in the heat pump system collecting real-time water flow and the environment sensor collecting environment temperature, that is, in this embodiment, the heat pump system may obtain sensing information such as real-time water flow and environment temperature from the outside through various components when the first moments are performed. And then, calculating the first standard heating quantity of the heat pump system at the first moment and the first real-time heating quantity of the heat pump system at the first moment according to the obtained sensing information.
The process of calculating the first standard heating amount of the heat pump system at the first time in this embodiment may be expressed as: the method for obtaining the environmental temperature of the environment where the heat pump system is located at the first moment, the environmental temperature can be obtained through acquisition of an environmental sensor, and the target water outlet temperature preset by a user is obtained, wherein the mode for presetting the target water outlet by the user can be completed through manually adjusting a preset device on the heat pump system, or the mode for presetting the target water outlet temperature by the user is not limited in the embodiment through remote control devices, mobile phone clients and the like. Then, a compression characteristic curve of a compressor of the heat pump system is obtained, in this embodiment, the heat pump system can drive the compressor to operate through a small amount of high-level heat energy, so that the compressor converts low-level heat energy such as energy in air into high-level heat energy, water in the water tank is heated by utilizing the high-level heat energy, and the temperature of the water in the water tank reaches a preset target water outlet temperature, wherein the magnitude of the low-level heat energy is mainly related to the air temperature, and in this embodiment, the ambient temperature of the environment where the heat pump system is located can be collected as the air temperature. The energy consumed by heating the water in the heat preservation water tank to the target outlet water temperature is the standard heating capacity of the heat pump system. In this embodiment, a compression characteristic curve of a compressor of the heat pump system may be obtained through multiple tests before the heat pump system leaves the factory, where the compression characteristic curve may include a correspondence relationship between an ambient temperature, a target water outlet temperature, and a standard heating amount in the heat pump system.
After the compression characteristic curve of the compressor is obtained, the standard heating capacity of the heat pump system at the current first moment can be obtained in the compression characteristic curve by inquiring the environment temperature of the environment where the heat pump system is located and the target water outlet temperature preset by a user and is used as the first standard heating capacity.
Further, the process of measuring the first real-time heating amount of the heat pump system at the first moment in this embodiment may be expressed as follows:
acquiring a real-time water inlet temperature acquired by a water inlet sensor at a first moment, a real-time water outlet temperature acquired by a water outlet sensor at the first moment and a real-time water flow acquired by a turbine flowmeter, and calculating to obtain a first real-time heating amount of the heat pump system at the first moment according to the real-time water inlet temperature, the real-time water outlet temperature and the real-time water flow, wherein a formula Q=C×M (T 1 -T 2 ) Calculating a first real-time heating amount, wherein Q represents the first real-time heating amount, C represents the specific heat capacity of water, M represents the mass of water, in this embodimentThe quality of reclaimed water can be calculated according to the collected real-time water flow, T 1 The real-time water outlet temperature T 2 The real-time inlet water temperature is indicated.
After the first standard heating amount and the first real-time heating amount are calculated respectively, the ratio of the first standard heating amount to the first real-time heating amount at the first moment can be calculated by taking the first standard heating amount as a denominator, and the ratio is used as a first heating amount fluctuation value.
S120, determining a first running state of the heat pump system in a target time interval according to the plurality of first heating quantity fluctuation values.
In this embodiment, when the operation state of the heat pump system is determined by considering the first heating amount fluctuation value at a certain time, the probability of misjudgment is easily increased due to errors of data collection, so that in this embodiment, the first operation state of the heat pump system in the target time interval can be determined together according to the first heating amount fluctuation values at the first times in the selected target time interval, and the accuracy of determining the first operation state is improved. Specifically, an average value among a plurality of first heating amount fluctuation values may be calculated, the first running state of the heat pump system may be determined by the average value, if the average value is smaller than a preset first fluctuation threshold value, the first running state of the heat pump system may be determined to be abnormal, and if the average value is greater than or equal to the first fluctuation threshold value, the first running state of the heat pump system may be determined to be normal.
And S130, if the first operation state is abnormal operation, adjusting the operation parameters of the heat pump system until the second operation state of the heat pump system after the operation parameters of the heat pump system are adjusted is normal operation.
In this embodiment, after determining that the first operation state of the heat pump system is abnormal, the heat pump system may be returned to the normal operation state by adjusting the operation parameters of the heat pump system.
Specifically, the opening degree of the expansion valve may be adjusted according to a preset first amplitude, for example, 2% of the standard opening degree of the expansion valve may be used as the first amplitude to adjust, in this embodiment, the expansion valve may change the throttle section or the throttle length by changing the opening degree in the heat pump system to achieve the effect of controlling the flow rate of the refrigerant, and the specific expansion valve may enable the liquid refrigerant with medium temperature and high pressure to become wet vapor with low temperature and low pressure through throttling, and then the refrigerant may absorb heat in the evaporator to achieve the refrigerating effect, so as to complete the link of compression, condensation (heat release), expansion, and evaporation in the heat pump system, and then in this embodiment, the real-time heating amount of the heat pump system may be adjusted by changing the opening degree of the expansion valve.
Furthermore, in this embodiment, when the opening of the expansion valve is adjusted, the power of the variable-frequency water pump can be synchronously adjusted according to the preset second amplitude, in this embodiment, the rotation speed of the variable-frequency water pump can be changed by adjusting the power of the variable-frequency water pump, and the real-time water flow of the heat pump system is changed after the rotation speed is changed, so that the adjustment of the real-time heating capacity of the heat pump system is realized.
And judging whether a second operation state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated is normal or not, wherein the specific process is to acquire a second standard heating amount and a second real-time heating amount of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated.
And then calculating the ratio of the second standard heating amount to the second real-time heating amount, wherein the ratio is used as a second heating amount fluctuation value, if the second heating amount fluctuation value is larger than or equal to a preset first fluctuation threshold value, for example, when the first fluctuation threshold value is 90%, if the second heating amount fluctuation value is larger than or equal to 90%, the deviation between the second standard heating amount and the second real-time heating amount is smaller, and the second running state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated can be confirmed to be normal.
If the fluctuation value of the second heating amount is smaller than the first fluctuation threshold and is larger than or equal to the preset second fluctuation threshold, the fact that the second operation state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are adjusted is abnormal can be confirmed, further if the fluctuation value of the second heating amount is smaller than the second fluctuation threshold, for example, when the fluctuation value of the second heating amount is 60%, the fact that the current second standard heating amount is larger than the second real-time heating amount is indicated if the fluctuation value of the second heating amount is smaller than the second fluctuation threshold, the operation state of the heat pump system is difficult to be converted into normal operation through adjustment of operation parameters, an alarm signal can be generated and sent to a client, and the alarm signal is used for prompting a user to execute shutdown operation on the heat pump system, so that the heat pump system is prevented from being in the abnormal operation state for a long time, and the operation safety of the heat pump system is improved.
In this embodiment, when the second operation state of the heat pump system after the operation parameter adjustment is still abnormal, the step of adjusting the opening of the expansion valve according to the preset first amplitude is performed again, and the adjustment is continued until the heat pump system resumes the normal operation state, and if the second operation state is normal operation, the opening of the expansion valve and the end of the power of the variable frequency water pump can be confirmed.
According to the technical scheme provided by the invention, the plurality of first heating quantity fluctuation values are calculated for the heat pump system in the target time interval, and the first operation state of the heat pump system in the target time interval is determined according to the plurality of first heating quantity fluctuation values, so that when the first operation state of the heat pump system is abnormal in operation, the operation parameters of the heat pump system are regulated until the first operation state of the heat pump system is normal in operation, and the operation safety of the heat pump system is ensured. Compared with the prior air source heat pump which lacks an operation mode of monitoring and adjusting the operation process of the air source heat pump, the invention monitors and judges the operation state of the heat pump system by calculating the first heating quantity fluctuation value of the heat pump system in the target time interval of the operation process, adjusts the operation parameters of the heat pump system in time when the operation is abnormal, improves the safety of the heat pump system when the operation is abnormal, reduces the fault loss of the heat pump system caused by the fact that the heat pump system in abnormal operation is not timely adjusted, prolongs the service life of the heat pump system, and further reduces the time of the heat pump system in the abnormal operation state by timely adjusting the operation state of the heat pump system, and improves the comfort of users in the process of using the heat pump system.
Example two
Fig. 3 is a schematic structural diagram of a heat pump system control device according to a second embodiment of the present invention. As shown in fig. 3, the apparatus includes:
a first heating amount fluctuation value calculation module 310, configured to calculate a plurality of first heating amount fluctuation values for the heat pump system in a target time interval;
a first operation state determining module 320, configured to determine a first operation state of the heat pump system in the target time interval according to a plurality of the first heating amount fluctuation values;
and an operation state adjusting module 330, configured to adjust an operation parameter of the heat pump system if the first operation state is abnormal, until a second operation state of the heat pump system after the operation parameter of the heat pump system is adjusted is normal.
Optionally, the first heating amount fluctuation value calculation module 310 includes:
the first time determining module is used for setting a plurality of first times in the target time interval;
the first standard heating amount calculation module is used for calculating the first standard heating amount of the heat pump system at the first moment;
the first real-time heating amount measuring module is used for measuring the first real-time heating amount of the heat pump system at the first moment;
and the first ratio calculating module is used for calculating the ratio of the first standard heating amount to the first real-time heating amount at the first moment and taking the ratio as a first heating amount fluctuation value.
Optionally, the first standard heating amount calculation module includes:
the temperature acquisition module is used for acquiring the environmental temperature of the environment where the heat pump system is located at the first moment and the target water outlet temperature preset for the heat pump system;
the compression characteristic curve acquisition module is used for acquiring a compression characteristic curve of the compressor, wherein the compression characteristic curve comprises a corresponding relation among the ambient temperature, the target outlet water temperature and the standard heating capacity of the heat pump system;
and the first standard heating amount inquiry module is used for inquiring the standard heating amount of the heat pump system in the compression characteristic curve according to the environment temperature and the target outlet water temperature to be used as the first standard heating amount.
Optionally, the first real-time heating amount measurement module includes:
the temperature/water flow acquisition module is used for acquiring the real-time water inlet temperature acquired by the water inlet sensor at the first moment, the real-time water outlet temperature acquired by the water outlet sensor at the first moment and the real-time water flow acquired by the turbine flowmeter;
the first real-time heating quantity calculation module is used for calculating and obtaining the first real-time heating quantity of the heat pump system at the first moment according to the real-time water inlet temperature, the real-time water outlet temperature and the real-time water flow.
Optionally, the first operation state determining module 320 includes:
the average value calculation module is used for calculating an average value among a plurality of first heating quantity fluctuation values;
the first operation abnormality determining module is used for determining that the first operation state of the heat pump system is abnormal operation if the average value is smaller than a preset first fluctuation threshold value;
and the first operation normal determining module is used for determining that the first operation state of the heat pump system is normal operation if the average value is greater than or equal to the first fluctuation threshold value.
Optionally, the operation state adjustment module 330 includes:
the opening adjusting module is used for adjusting the opening of the expansion valve according to a preset first amplitude;
the power adjusting module is used for adjusting the power of the variable-frequency water pump according to a preset second amplitude;
the second running state judging module is used for judging the second running state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated;
the calling module is used for calling the opening adjusting module if the second running state is abnormal;
and the adjusting end confirming module is used for confirming that the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated to be ended if the second running state is normal.
Optionally, the second operation state judging module includes:
the second standard heating amount/second real-time heating amount acquisition module is used for acquiring the second standard heating amount and the second real-time heating amount of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are adjusted;
the second heating quantity fluctuation value calculation module is used for calculating the ratio between the second standard heating quantity and the second real-time heating quantity to be used as a second heating quantity fluctuation value;
the second running state normal determining module is used for determining that the second running state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated is normal running if the second heating quantity fluctuation value is larger than or equal to a preset first fluctuation threshold value;
the second operation state abnormality confirmation module is used for confirming that the second operation state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated is abnormal operation if the second heating amount fluctuation value is smaller than the first fluctuation threshold value and larger than or equal to a preset second fluctuation threshold value;
and the alarm module is used for generating an alarm signal and sending the alarm signal to the client if the second heating quantity fluctuation value is smaller than the second fluctuation threshold, and the alarm signal is used for prompting a user to execute shutdown operation on the heat pump system.
The heat pump system control device provided by the embodiment of the invention can execute the heat pump system control method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example III
Fig. 4 shows a schematic diagram of the structure of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 4, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as a heat pump system control method.
In some embodiments, method XXX may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. One or more of the steps of method XXX described above may be performed when the computer program is loaded into RAM 13 and executed by processor 11. Alternatively, in other embodiments, the processor 11 may be configured to perform the heat pump system control method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (9)
1. A heat pump system control method, characterized by comprising:
calculating a plurality of first heating quantity fluctuation values for the heat pump system in a target time interval;
determining a first running state of the heat pump system in the target time interval according to a plurality of first heating quantity fluctuation values;
if the first operation state is abnormal operation, adjusting the operation parameters of the heat pump system until a second operation state of the heat pump system after the operation parameters of the heat pump system are adjusted is normal operation;
the heat pump system further comprises an expansion valve and a variable frequency water pump, and if the first operation state is abnormal operation, the operation parameters of the heat pump system are adjusted until the second operation state of the heat pump system after the operation parameters of the heat pump system are adjusted is normal operation, and the method comprises the following steps:
adjusting the opening of the expansion valve according to a preset first amplitude;
adjusting the power of the variable-frequency water pump according to a preset second amplitude;
judging a second running state of the heat pump system after adjusting the opening degree of the expansion valve and the power of the variable-frequency water pump;
if the second running state is abnormal, returning to execute the opening degree of the expansion valve according to the preset first amplitude;
and if the second operation state is normal operation, confirming that the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated.
2. The method of claim 1, wherein calculating a plurality of first heating amount fluctuation values for the heat pump system within the target time interval comprises:
setting a plurality of first moments in a target time interval;
calculating a first standard heating amount of the heat pump system at the first moment;
measuring a first real-time heating amount of the heat pump system at the first moment;
and calculating the ratio of the first standard heating amount to the first real-time heating amount at the first moment to be used as a first heating amount fluctuation value.
3. The method of claim 2, wherein the heat pump system includes a compressor, and wherein the calculating the first standard heating capacity of the heat pump system at the first time comprises:
acquiring the environmental temperature of the environment where the heat pump system is located at the first moment and the preset target outlet water temperature of the heat pump system;
acquiring a compression characteristic curve of the compressor, wherein the compression characteristic curve comprises a corresponding relation among the environment temperature, the target outlet water temperature and the standard heating capacity of the heat pump system;
and inquiring the standard heating quantity of the heat pump system in the compression characteristic curve according to the ambient temperature and the target outlet water temperature to be used as a first standard heating quantity.
4. The method of claim 2, wherein the heat pump system further comprises a water inlet sensor, a water outlet sensor, a turbine flow meter, the measuring a first real-time heating amount of the heat pump system at the first time, comprising:
acquiring a real-time water inlet temperature acquired by the water inlet sensor at the first moment, a real-time water outlet temperature acquired by the water outlet sensor at the first moment and a real-time water flow acquired by the turbine flowmeter;
and calculating to obtain a first real-time heating quantity of the heat pump system at the first moment according to the real-time water inlet temperature, the real-time water outlet temperature and the real-time water flow.
5. The method of claim 2, wherein said determining a first operating state of the heat pump system within the target time interval from a plurality of the first heating amount fluctuation values comprises:
calculating an average value among a plurality of first heating amount fluctuation values;
if the average value is smaller than a preset first fluctuation threshold value, confirming that the first running state of the heat pump system is abnormal;
and if the average value is greater than or equal to the first fluctuation threshold value, confirming that the first running state of the heat pump system is normal.
6. The method of claim 1, wherein the determining whether the second operating state of the heat pump system after adjusting the opening of the expansion valve and the power of the variable frequency water pump is normal comprises:
acquiring a second standard heating amount and a second real-time heating amount of the heat pump system after adjusting the opening of the expansion valve and the power of the variable-frequency water pump;
calculating the ratio between the second standard heating amount and the second real-time heating amount to be used as a second heating amount fluctuation value;
if the second heating quantity fluctuation value is larger than or equal to a preset first fluctuation threshold value, confirming that a second running state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated is normal;
if the second heating quantity fluctuation value is smaller than the first fluctuation threshold value and larger than or equal to a preset second fluctuation threshold value, confirming that the second running state of the heat pump system after the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated is abnormal running;
and if the second heating quantity fluctuation value is smaller than the second fluctuation threshold value, generating an alarm signal and sending the alarm signal to the client, wherein the alarm signal is used for prompting a user to execute shutdown operation on the heat pump system.
7. A heat pump system control device comprising:
the first heating quantity fluctuation value calculation module is used for calculating a plurality of first heating quantity fluctuation values for the heat pump system in a target time interval;
a first operation state determining module, configured to determine a first operation state of the heat pump system in the target time interval according to a plurality of the first heating amount fluctuation values;
the operation state adjusting module is used for adjusting the operation parameters of the heat pump system if the first operation state is abnormal operation until the second operation state of the heat pump system after the operation parameters of the heat pump system are adjusted is normal operation;
the heat pump system further comprises an expansion valve and a variable frequency water pump, and if the first operation state is abnormal operation, the operation parameters of the heat pump system are adjusted until the second operation state of the heat pump system after the operation parameters of the heat pump system are adjusted is normal operation, and the method comprises the following steps:
adjusting the opening of the expansion valve according to a preset first amplitude;
adjusting the power of the variable-frequency water pump according to a preset second amplitude;
judging a second running state of the heat pump system after adjusting the opening degree of the expansion valve and the power of the variable-frequency water pump;
if the second running state is abnormal, returning to execute the opening degree of the expansion valve according to the preset first amplitude;
and if the second operation state is normal operation, confirming that the opening degree of the expansion valve and the power of the variable-frequency water pump are regulated.
8. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the heat pump system control method of any one of claims 1-6.
9. A computer readable storage medium, characterized in that the computer readable storage medium stores computer instructions for causing a processor to execute the heat pump system control method according to any one of claims 1-6.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353117A (en) * | 2011-08-04 | 2012-02-15 | 宁波奥克斯电气有限公司 | System protection method for sudden indoor load change of variable refrigerant volume (VRV) air conditioner |
| CN102410680A (en) * | 2011-10-30 | 2012-04-11 | 合肥天鹅制冷科技有限公司 | Method for controlling thermal load response of water chilling unit |
| EP2538145A2 (en) * | 2011-06-23 | 2012-12-26 | Samsung Electronics Co., Ltd. | Heat Pump and Method for Controlling the Same |
| CN109237751A (en) * | 2018-07-25 | 2019-01-18 | 广东芬尼能源技术有限公司 | It is rapidly achieved the method, apparatus, equipment and medium of unit target capability |
| CN110701838A (en) * | 2019-10-30 | 2020-01-17 | 宁波奥克斯电气股份有限公司 | Method for judging defrosting of heat pump and heat pump defrosting system |
| CN111623555A (en) * | 2020-04-27 | 2020-09-04 | 宁波工程学院 | Refrigerant active injection heat pump based on low-grade heat source and control method thereof |
| CN111692721A (en) * | 2019-03-15 | 2020-09-22 | 开利公司 | Control method for air conditioning system |
| CN113418228A (en) * | 2020-12-14 | 2021-09-21 | 建科环能科技有限公司 | Air source heat pump return difference changing water temperature control method and system based on supply and demand matching |
| KR102413701B1 (en) * | 2021-10-19 | 2022-06-27 | 주식회사 엠티에스 | Heat pump system using air as heat source that produces hot water with a constant water outlet temperature by varying the water flow rate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101985810B1 (en) * | 2012-10-25 | 2019-09-03 | 삼성전자주식회사 | Heat pump and control method thereof |
-
2022
- 2022-07-04 CN CN202210781743.1A patent/CN115289732B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2538145A2 (en) * | 2011-06-23 | 2012-12-26 | Samsung Electronics Co., Ltd. | Heat Pump and Method for Controlling the Same |
| CN102353117A (en) * | 2011-08-04 | 2012-02-15 | 宁波奥克斯电气有限公司 | System protection method for sudden indoor load change of variable refrigerant volume (VRV) air conditioner |
| CN102410680A (en) * | 2011-10-30 | 2012-04-11 | 合肥天鹅制冷科技有限公司 | Method for controlling thermal load response of water chilling unit |
| CN109237751A (en) * | 2018-07-25 | 2019-01-18 | 广东芬尼能源技术有限公司 | It is rapidly achieved the method, apparatus, equipment and medium of unit target capability |
| CN111692721A (en) * | 2019-03-15 | 2020-09-22 | 开利公司 | Control method for air conditioning system |
| CN110701838A (en) * | 2019-10-30 | 2020-01-17 | 宁波奥克斯电气股份有限公司 | Method for judging defrosting of heat pump and heat pump defrosting system |
| CN111623555A (en) * | 2020-04-27 | 2020-09-04 | 宁波工程学院 | Refrigerant active injection heat pump based on low-grade heat source and control method thereof |
| CN113418228A (en) * | 2020-12-14 | 2021-09-21 | 建科环能科技有限公司 | Air source heat pump return difference changing water temperature control method and system based on supply and demand matching |
| KR102413701B1 (en) * | 2021-10-19 | 2022-06-27 | 주식회사 엠티에스 | Heat pump system using air as heat source that produces hot water with a constant water outlet temperature by varying the water flow rate |
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