CN114963516B - Air source heat pump control method and device, electronic equipment and storage medium - Google Patents
Air source heat pump control method and device, electronic equipment and storage medium Download PDFInfo
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- CN114963516B CN114963516B CN202110998009.6A CN202110998009A CN114963516B CN 114963516 B CN114963516 B CN 114963516B CN 202110998009 A CN202110998009 A CN 202110998009A CN 114963516 B CN114963516 B CN 114963516B
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000005485 electric heating Methods 0.000 claims abstract description 382
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 320
- 230000008859 change Effects 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 27
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000006399 behavior Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to the technical field of intelligent household appliances, and particularly relates to an air source heat pump control method and device, electronic equipment and a storage medium. The invention aims to solve the problem that the starting time of the existing air source heat pump with multiple electric heating units is inaccurate. The method comprises the steps of obtaining configuration information, wherein the configuration information comprises an on period of a first electric heating unit and an on period of a second electric heating unit; if the current system time is in the on period of the first electric heating unit, acquiring flow information of the air source heat pump, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset time period; and turning on the first electric heating unit and/or turning on the first electric heating unit and the second electric heating unit according to the flow information, the on period of the first electric heating unit and the on period of the second electric heating unit. By setting the time of the first electric heating unit and the second electric heating unit, the problem of inaccurate starting time of the heating units is avoided, and electric energy waste is reduced.
Description
Technical Field
The invention belongs to the technical field of intelligent household appliances, and particularly relates to an air source heat pump control method and device, electronic equipment and a storage medium.
Background
The air source heat pump is electronic equipment for generating heat energy by utilizing heat in air and realizing water temperature heating, and compared with the traditional electric water heater, the air source heat pump has higher heat efficiency and saves more energy. In the prior art, in order to further increase the outlet water temperature of the air source heat pump, additional electric heating units are disposed at different positions in the inner container of the air source heat pump, for example, the electric heating units are disposed near the water outlet, and the electric heating units are disposed at the lower middle part of the inner container.
However, the functions of the electric heating units arranged at different positions are different, and in the prior art, the electric heating units can be started only through manual operation of a user, so that the problems of complex operation process and inaccurate heating time of the heating units are caused, and the problems of electric energy waste, influence on water comfort level of the user and the like are caused.
Accordingly, there is a need in the art for a new air source heat pump control method, apparatus, electronic device, and storage medium to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely the problem of inaccurate starting time of an electric heating unit in the existing air source heat pump with multiple electric heating units, the invention provides an air source heat pump control method, an air source heat pump control device, electronic equipment and a storage medium.
According to a first aspect of an embodiment of the present invention, the present invention provides an air source heat pump control method, applied to an air source heat pump, where the air source heat pump includes a first electric heating unit and a second electric heating unit, including:
Acquiring configuration information, wherein the configuration information comprises an on period of the first electric heating unit and an on period of the second electric heating unit; if the current system time is in the on period of the first electric heating unit, acquiring flow information of the air source heat pump, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset duration; and turning on the first electric heating unit and/or turning on the first electric heating unit and the second electric heating unit according to the flow information, the turning-on period of the first electric heating unit and the turning-on period of the second electric heating unit.
In a preferred embodiment of the above air source heat pump control method, the configuration information further includes a first flow interval corresponding to the first electric heating unit and a second flow interval corresponding to the second electric heating unit; the flow information comprises a water outlet flow, and the water outlet flow represents the output water quantity of the heat pump water heater in unit time; turning on the first electric heating unit and/or turning on the first electric heating unit and the second electric heating unit according to the flow information, the on period of the first electric heating unit and the on period of the second electric heating unit, comprising: when the system time is in the on period of the first electric heating unit and is not in the on period of the second electric heating unit, only the first electric heating unit is started; when the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval, only the first electric heating unit is started; and if the water outlet flow is positioned in the second flow interval, starting the first electric heating unit and/or the second electric heating unit.
In the preferred technical solution of the air source heat pump control method, the configuration information further includes a first time period threshold corresponding to the first electric heating unit and a second time period threshold corresponding to the second electric heating unit; the flow information also comprises water outlet time length, and the water outlet time length represents the duration of outputting hot water by the heat pump water heater; if the water outlet flow is located in the first flow interval, only the first electric heating unit is started, and the method comprises the following steps: and if the water outlet flow is positioned in the first flow interval and the water outlet time length is smaller than the first time length threshold value, starting the first electric heating unit.
In a preferred technical scheme of the air source heat pump control method, the method further comprises: and if the water outlet flow is positioned in the first flow interval and the water outlet time length is greater than the first time length threshold, starting the first electric heating unit and/or the second electric heating unit.
In the preferred technical solution of the air source heat pump control method, the configuration information further includes a first time period threshold corresponding to the first electric heating unit and a second time period threshold corresponding to the second electric heating unit; the flow information also comprises water outlet time length, and the water outlet time length represents the duration of outputting hot water by the heat pump water heater; if the water outlet flow is located in the second flow interval, the first electric heating unit and/or the second electric heating unit are/is started, and the method comprises the following steps: and if the water outlet flow is positioned in the second flow interval and the water outlet time length is greater than the second time length threshold, starting the first electric heating unit and/or the second electric heating unit.
In a preferred technical scheme of the air source heat pump control method, the method further comprises: and if the water outlet flow is positioned in the second flow interval and the water outlet time length is smaller than the second time length threshold value, turning off the first electric heating unit and turning on the second electric heating unit.
In a preferred technical scheme of the air source heat pump control method, the method further comprises: obtaining the outlet water temperature of the air source heat pump; determining a temperature change trend of the water outlet temperature according to the water outlet temperature, wherein the temperature change trend comprises a temperature rising trend and a temperature falling trend; when only the first electric heating unit is started, if the temperature change trend of the outlet water temperature is the temperature decrease trend, the first electric heating unit and the second electric heating unit are started at the same time.
In a preferred technical solution of the above air source heat pump control method, the configuration information includes a plurality of sub-on periods corresponding to the first electric heating unit, and a plurality of sub-on periods corresponding to the second electric heating unit; each sub-opening period corresponding to the second electric heating unit corresponds to a first flow interval respectively; each sub-opening period corresponding to the second electric heating unit corresponds to a second flow interval respectively.
According to a second aspect of an embodiment of the present invention, there is provided an air source heat pump control device applied to an air source heat pump including a first electric heating unit and a second electric heating unit, the air source heat pump control device including:
The configuration module is used for acquiring configuration information, wherein the configuration information comprises an on period of the first electric heating unit and an on period of the second electric heating unit;
The acquisition module is used for acquiring flow information of the air source heat pump if the current system time is in the on period of the first electric heating unit, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset time period;
And the control module is used for starting the first electric heating unit and/or starting the first electric heating unit and the second electric heating unit according to the flow information, the starting period of the first electric heating unit and the starting period of the second electric heating unit.
In a preferred embodiment of the above air source heat pump control device, the configuration information further includes a first flow interval corresponding to the first electric heating unit and a second flow interval corresponding to the second electric heating unit; the flow information comprises a water outlet flow, and the water outlet flow represents the output water quantity of the heat pump water heater in unit time; the control module is specifically configured to: when the system time is in the on period of the first electric heating unit and is not in the on period of the second electric heating unit, only the first electric heating unit is started; when the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval, only the first electric heating unit is started; and if the water outlet flow is positioned in the second flow interval, starting the first electric heating unit and/or the second electric heating unit.
In a preferred embodiment of the air source heat pump control device, the configuration information further includes a first time period threshold corresponding to the first electric heating unit and a second time period threshold corresponding to the second electric heating unit; the flow information also comprises water outlet time length, and the water outlet time length represents the duration of outputting hot water by the heat pump water heater; the control module is specifically configured to, when determining that the water outlet flow is within the first flow interval, only turn on the first electric heating unit: and if the water outlet flow is positioned in the first flow interval and the water outlet time length is smaller than the first time length threshold value, starting the first electric heating unit.
In a preferred technical solution of the air source heat pump control device, the control module is further configured to: and if the water outlet flow is positioned in the first flow interval and the water outlet time length is greater than the first time length threshold, starting the first electric heating unit and/or the second electric heating unit.
In a preferred technical solution of the air source heat pump control device, the configuration information further includes a first time period threshold corresponding to the first electric heating unit and a second time period threshold corresponding to the second electric heating unit; the flow information also comprises water outlet time length, and the water outlet time length represents the duration of outputting hot water by the heat pump water heater; the control module is specifically configured to, when determining that the water outlet flow is located in the second flow interval, turn on the first electric heating unit and/or the second electric heating unit: and if the water outlet flow is positioned in the second flow interval and the water outlet time length is greater than the second time length threshold, starting the first electric heating unit and/or the second electric heating unit.
In a preferred technical solution of the air source heat pump control device, the control module is further configured to: and if the water outlet flow is positioned in the second flow interval and the water outlet time length is smaller than the second time length threshold value, turning off the first electric heating unit and turning on the second electric heating unit.
In a preferred technical solution of the air source heat pump control device, the control module is further configured to: obtaining the outlet water temperature of the air source heat pump; determining a temperature change trend of the water outlet temperature according to the water outlet temperature, wherein the temperature change trend comprises a temperature rising trend and a temperature falling trend; when only the first electric heating unit is started, if the temperature change trend of the outlet water temperature is the temperature decrease trend, the first electric heating unit and the second electric heating unit are started at the same time.
In a preferred embodiment of the above air source heat pump control device, the configuration information includes a plurality of sub-on periods corresponding to the first electric heating unit, and a plurality of sub-on periods corresponding to the second electric heating unit; each sub-opening period corresponding to the second electric heating unit corresponds to a first flow interval respectively; each sub-opening period corresponding to the second electric heating unit corresponds to a second flow interval respectively.
According to a third aspect of an embodiment of the present invention, there is provided an electronic apparatus including: a memory, a processor, and a computer program;
Wherein the computer program is stored in the memory and is configured to be executed by the processor for performing the air source heat pump control method according to any one of the first aspect of the embodiments of the invention.
According to a fourth aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored therein computer-executable instructions which, when executed by a processor, are adapted to carry out the air source heat pump control method according to any one of the first aspect of embodiments of the present invention.
According to a fifth aspect of embodiments of the present invention, there is provided a computer program product comprising a computer program for execution by a processor of an air source heat pump control method according to any one of the first aspect of embodiments of the present invention.
As can be appreciated by those skilled in the art, the air source heat pump control method, the air source heat pump control device, the electronic equipment and the storage medium according to the present invention obtain configuration information, where the configuration information includes an on period of the first electric heating unit and an on period of the second electric heating unit; if the current system time is in the on period of the first electric heating unit, acquiring flow information of the air source heat pump, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset duration; and turning on the first electric heating unit and/or turning on the first electric heating unit and the second electric heating unit according to the flow information, the turning-on period of the first electric heating unit and the turning-on period of the second electric heating unit. The first electric heating unit and the second electric heating unit are set according to the configuration information, so that the problem that the opening time of the first electric heating unit and the second electric heating unit is inaccurate due to the fact that a user manually opens the first electric heating unit and the second electric heating unit is avoided, electric energy waste is reduced, and water use comfort level of the user is improved.
Drawings
Preferred embodiments of the air source heat pump control method, apparatus, and electronic device of the present invention are described below with reference to the accompanying drawings. The attached drawings are as follows:
Fig. 1 is a schematic structural diagram of an air source heat pump according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for controlling an air source heat pump according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a first electric heating unit and a second electric heating unit sequentially turned on according to an embodiment of the present invention;
FIG. 4 is a flow chart of a method for controlling an air source heat pump according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of an air source heat pump control device according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can adapt it as desired to suit a particular application.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two components. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
First, the terms involved in the present invention will be explained:
1) The intelligent household electrical appliance is a household electrical appliance formed after a microprocessor, a sensor technology and a network communication technology are introduced into the household electrical appliance, has the characteristics of intelligent control, intelligent perception and intelligent application, and the operation process of the intelligent household electrical appliance often depends on the application and processing of modern technologies such as the Internet of things, the Internet, an electronic chip and the like, for example, the intelligent household electrical appliance can realize the remote control and management of a user on the intelligent household electrical appliance by connecting the electronic equipment.
2) The terminal equipment refers to electronic equipment with a wireless connection function, and can be in communication connection with the intelligent household electrical appliance through connecting with the Internet, or can be in communication connection with the intelligent household electrical appliance through Bluetooth, wifi and other modes. In some embodiments, the terminal device is, for example, a mobile device, a computer, or an in-vehicle device built into a hover vehicle, etc., or any combination thereof. The mobile device may include, for example, a cell phone, smart home device, wearable device, smart mobile device, virtual reality device, etc., or any combination thereof, wherein the wearable device includes, for example: smart watches, smart bracelets, pedometers, etc.
3) "Plurality" means two or more, and the like. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
4) The "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
The following explains the application scenario of the embodiment of the present invention:
The air source heat pump control method provided by the embodiment of the invention can be applied to an air source heat pump water heater (hereinafter referred to as an air source heat pump) with a plurality of electric heating units, and fig. 1 is a schematic structural diagram of the air source heat pump provided by the embodiment of the invention, as shown in fig. 1, the air source heat pump comprises an inner container 1, a water outlet pipe 11 and a water inlet pipe 12 are arranged in the inner container, wherein the water inlet pipe is used for inputting cold water or backwater into the inner container, and the water outlet pipe is used for outputting hot water in the inner container to an external water pipeline. The inner container includes a first electric heating unit 13, a second electric heating unit 14, and heat exchange plates (not shown in the figure), where the first electric heating unit 13 is disposed near the lower portion of the inner container 1, and the second electric heating unit 14 is disposed near the water outlet of the water outlet pipe 11 at the upper portion of the inner container. Because the high-temperature hot water in the liner 1 flows to the upper side of the liner 1, the low-temperature hot water flows to the lower side of the liner 1, and after the first electric heating unit 13 is started, the water in the liner 1 is circularly heated from the lower part, so that the water temperature in the liner 1 is uniformly increased; when the second electric heating unit 14 is started, heat energy is intensively released into water at the upper part of the liner 1, so that the water temperature at the upper part of the liner 1 can be preferentially and rapidly increased, and the function of rapidly outputting hot water under the condition that the stored water in the liner is not required to be completely heated by the air source heat pump is realized.
The heat efficiency of the air source heat pump is related to the temperature rise, and when the air source heat pump is used for temperature rise, the heat efficiency of the air source heat pump gradually decreases along with the temperature rise, and after the temperature rise reaches a certain amount, the water temperature cannot be further increased. In the application scenario of using the air source heat pump as the water heater, the user has higher water temperature requirement, for example, the user needs to bath water in the bathtub, or the user needs to use the water temperature with higher temperature in specific requirement scenarios such as foot bath, and in some cold areas, the water temperature can not be heated by the air source heat pump. Therefore, in order to further increase the water outlet temperature of the air source heat pump and increase the heating efficiency in different water usage scenarios, in the prior art, additional electric heating units are disposed at different positions in the liner of the air source heat pump, for example, in the embodiment shown in fig. 1, the electric heating unit is disposed at the upper portion of the liner, and the electric heating unit is disposed at the lower portion of the liner, so as to meet different water usage demands of users.
However, in the actual use process, the starting of different electric heating units is often realized through manual operation of a user, for example, an air source heat pump is provided with functions such as auxiliary heating, rapid heating and the like, and the user needs to start corresponding functions to start the corresponding electric heating units, so that the problem of complex operation is caused, and under the conditions that the user is unreasonable in setting and forgets to start, the water temperature can not meet the water use requirement of the user. In other related technologies, the electric heating units can be started and controlled by detecting the water temperature in the inner container of the air source heat pump and the set target water outlet temperature, but the electric heating units at the lower part of the inner container or the electric heating units at the upper part of the inner container are generally controlled independently, and the different characteristics and effects of the electric heating units are not fully utilized, so that the starting time of each electric heating unit is unreasonable, the heating efficiency of the water temperature in the inner container is influenced, the electric energy waste is caused, and the user experience is influenced.
In the embodiment of the invention, the plurality of electric heating units are controlled in a combined way at a certain time sequence, the electric heating units positioned at the upper part of the liner are controlled, and different characteristics and effects of the plurality of electric heating units are fully utilized, so that the starting time of the combined controlled electric heating units is matched with the water consumption habit of a user, the heating efficiency is improved, and the electric energy waste is reduced.
The following describes the technical scheme of the present invention and how the technical scheme of the present invention solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 2 is a flowchart of an air source heat pump control method according to an embodiment of the present invention, which is applied to an air source heat pump, wherein the air source heat pump includes a first electric heating unit and a second electric heating unit, as shown in fig. 2, and the air source heat pump control method according to the embodiment includes the following steps:
Step S101, acquiring configuration information, wherein the configuration information includes an on period of the first electric heating unit and an on period of the second electric heating unit.
Illustratively, the air source heat pump is an intelligent home appliance, and the configuration information may be information sent by a user through a terminal device bound to the air source heat pump, more specifically, for example, the user sets a period during which hot water may be used, that is, an on period of the first heating unit, for example, 7:00 a.m. to 23:00 a.m. through an Application (APP) running on the terminal device; and a period during which hot water may be used, i.e. a period during which the second heating unit is on, e.g. 20:00-22:00 a night. The terminal equipment communicates with the server to send the configuration information to the air source heat pump through the server, so that the air source heat pump obtains the configuration information.
For example, referring to the air source heat pump shown in fig. 1, the first heating unit is a heating unit located at the lower portion of the inner container, and the second electric heating unit is a heating unit located at the upper portion of the inner container. The first electric heating unit is used for uniformly improving the water temperature in the inner container, the second electric heating unit is used for rapidly improving the water temperature at the upper part of the inner container, and the air source heat pump rapidly outputs hot water in a local heating mode in the inner container.
Step S102, if the current system time is in the on period of the first electric heating unit, acquiring flow information of the air source heat pump, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset time period.
In an exemplary embodiment, after the configuration information is obtained from the air source content, the starting time periods of the first electric heating unit and the second electric heating unit may be determined according to the configuration information, and according to the current system time, when the starting time period of the first electric heating unit is reached, in order to further determine the water demand of the user, the water outlet quantity of the water outlet is collected by a flow sensor disposed at the water outlet of the air source heat pump, and when the user has useful water behavior, the air source heat pump outputs hot water, so as to obtain flow information representing the output water quantity of the air source heat pump within a preset duration. The flow information may include, for example, a water outlet time period and a water outlet flow rate; the water outlet flow represents flow data acquired by the sensor, and the water outlet time represents the duration of flow acquired by the flow sensor. Through the flow information of the air source heat pump, the water demand of a user can be further judged in the subsequent step, so that the opening of the first electric heating unit and the opening of the second electric heating unit are accurately controlled.
Step S103, turning on the first electric heating unit and/or turning on the first electric heating unit and the second electric heating unit according to the flow information, the on period of the first electric heating unit, and the on period of the second electric heating unit.
Illustratively, the hot water in the liner reaches a first temperature, e.g., 30 degrees, after being heated by the heat exchanger fins in communication with the heat pump, at which time the heat pump is no longer heating the water temperature in the liner due to environmental temperature or power consumption. After the first electric heating unit is started, the air source heat pump starts the first electric heating unit to uniformly heat the water temperature in the inner container, so that the water temperature is uniformly increased to a second temperature, for example, 40 degrees. The first temperature is a temperature obtained after heating the water temperature based on the Carnot cycle by the heat pump, and the heat pump of the air source has higher heat efficiency and lower energy consumption in the process to heat the water temperature to a higher level, but the water temperature can not meet the water demand of a user (for example, when the user bathes with the first water temperature, after a certain amount of cold water is mixed, the water temperature is lower, and if the cold water is not mixed, the water quantity is smaller).
When the starting period of the first electric heating unit is reached, the water temperature in the inner container can be further heated by starting the first electric heating unit, so that the water temperature reaches the second temperature, and the water temperature at the moment can meet the general water use requirements of users, such as bathing, face washing and the like. The process of heating the water temperature from the first temperature to the second temperature is realized through the first electric heating unit, and the thermal efficiency of the process is lower than that of heating the water temperature to the first temperature through the heat pump, so that the first heating unit is controlled to be started only in a corresponding starting period through configuration information, the user requirements of a user are matched, and electric energy waste caused by long-time starting is avoided. On the basis of the second temperature, the water temperature is further heated by the second electric heating unit, so that the water requirement of a user for higher temperature (for example, 50 ℃ for bath, foot bath or the like) is met. In this process, by activating the second electric heating unit, a higher energy consumption is caused, and thus a more accurate matching of the user's demands is required. Specifically, after the current system time reaches the on period of the second heating unit, judging whether the user needs to output hot water with higher temperature or not through flow information, wherein the flow information corresponds to the water using equipment, and for example, the flow information is water outlet flow; the corresponding water outlet flow of the kitchen faucet is A, and the corresponding water outlet flow of the faucet for discharging water to the bathtub in the bathroom is B, wherein B is larger than A. Through the water outlet flow, the water using equipment used by the user can be judged, and then the water using requirement of the user is judged, so that whether the second electric heating unit is started or not is judged. The mapping relationship between the water using device and the water outlet flow can be determined by the historical water using data of the user, and will not be described here again.
The configuration information further includes a first flow interval corresponding to the first electric heating unit, and a second flow interval corresponding to the second electric heating unit, where the flow information includes a water outlet flow, and the water outlet flow indicates an output water amount of the heat pump water heater in a unit time. Fig. 3 is a schematic diagram of sequentially turning on a first electric heating unit and a second electric heating unit according to an embodiment of the present invention, and referring to fig. 3, according to flow information, an on period of the first electric heating unit, and an on period of the second electric heating unit, specific ways of turning on the first electric heating unit and the second electric heating unit include:
According to the current system time, whether the current system time is in an on period (a period is shown in the figure, the same applies hereinafter) of the first electric heating unit or an on period (B period is shown in the figure, the same applies hereinafter) of the second electric heating unit is judged, wherein the B period is located in the a period.
When the current system time is in the on period of the first electric heating unit and is not in the on period of the second electric heating unit, only the first electric heating unit is turned on.
When the system time is in the on period of the second electric heating unit, judging the water outlet flow according to a preset flow interval, and if the water outlet flow is in a first flow interval (a interval in the figure, the same applies below), only turning on the first electric heating unit; if the water outlet flow is in the second flow interval (b interval in the figure, the same applies below), the first electric heating unit and/or the second electric heating unit are/is started.
In this embodiment, by acquiring configuration information including an on period of the first electric heating unit and an on period of the second electric heating unit; if the current system time is in the on period of the first electric heating unit, acquiring flow information of the air source heat pump, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset time period; and turning on the first electric heating unit and/or turning on the first electric heating unit and the second electric heating unit according to the flow information, the on period of the first electric heating unit and the on period of the second electric heating unit. The first electric heating unit and the second electric heating unit are set according to the configuration information, so that the problem that the opening time of the first electric heating unit and the second electric heating unit is inaccurate due to the fact that a user manually opens the first electric heating unit and the second electric heating unit is avoided, electric energy waste is reduced, and water use comfort level of the user is improved.
Fig. 4 is a flowchart of an air source heat pump control method according to another embodiment of the present invention, as shown in fig. 4, where, based on the air source heat pump control method according to the embodiment shown in fig. 2, step S103 is further refined, then the air source heat pump control method according to the embodiment includes the following steps:
Step S201, acquiring configuration information.
Illustratively, the configuration information includes an on period, a first flow interval, and a first time period threshold corresponding to the first electric heating unit, and an on period, a second flow interval, and a second time period threshold corresponding to the second electric heating unit.
Step S202, if the current system time is in the on period of the first electric heating unit, acquiring flow information of the air source heat pump, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset time period.
Illustratively, the traffic information includes: the water outlet flow and the water outlet time length, wherein the water outlet flow represents the output water quantity of the heat pump water heater in the unit time length; the water outlet duration represents the duration of hot water output by the heat pump water heater.
In step S203, when the system time is in the on period of the first electric heating unit and is not in the on period of the second electric heating unit, only the first electric heating unit is turned on.
Illustratively, the on period of the first electric heating unit and the on period of the second electric heating unit are set for a user, or the air source heat pump automatically generates information according to historical usage data of the user. More specifically, the on period of the first electric heating unit is located within the on period of the first electric heating unit, for example, the on period of the first electric heating unit is 16:00-22:00, and the on period of the second electric heating unit is 20:00-22:00. The hot water in the inner container is heated by the heat exchange plates communicated with the heat pump to reach the first temperature, and at the moment, the hot water is limited by factors such as ambient temperature or power consumption, and the heat pump does not heat the water temperature in the inner container. After reaching the on period (16:00-22:00) of the first electric heating unit and not reaching the on period (20:00-22:00) of the second electric heating unit, the air source heat pump only starts the first electric heating unit to uniformly heat the water temperature in the inner container, so that the water temperature is uniformly increased to the second temperature. Compared with the second electric heating unit arranged on the upper portion, the first electric heating unit is used for uniformly and circularly heating water in the liner, heat release is more sufficient, and therefore overall heat efficiency is higher. Low-power consumption heating of the air source heat pump in the starting period of the first electric heating unit is realized.
In step S204, when the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval, the on states of the first electric heating unit and the second electric heating unit are determined according to the water outlet time length and the first time length threshold.
Illustratively, the water outlet duration corresponds to the user behavior of the user, for example, when the user washes hands, the water consumption duration of the user is short, and correspondingly, the water outlet duration of the air source heat pump is also short; on the contrary, when the user takes a bath, the water consumption behavior duration of the user is long, and the water outlet duration of the air source heat pump is also long. Therefore, according to the water outlet time length, the water consumption behavior of the user can be judged, and the water consumption requirement of the user is further determined. The mapping relationship between the water consumption behavior and the water outlet duration can be determined by historical water consumption data of the user, and is not described herein.
The second electric heating unit is an exemplary heating unit for further heating the local water temperature in the interior to achieve rapid output of high-temperature hot water by the air source heat pump. When the system time is in the on period of the second electric heating unit, the high-temperature water demand of the user is corresponded. Because the second electric heating unit is arranged at the upper part of the inner container, the comprehensive heat efficiency is lower compared with that of the first electric heating unit arranged at the lower part of the inner container, and the starting of the second electric heating unit means higher energy consumption. Therefore, there is a need for actually further refinement of the activation of the second electric heating unit so that the activation time of the second electric heating unit can be matched to the water demand of the user, thereby reducing the ineffective heating of the second electric heating unit. Specifically, the water outlet flow has a corresponding relation with the water using device, and if the water outlet flow is located in the first flow interval, it is indicated that the water using requirement corresponding to the water using device at this time is hot water at the second temperature, that is, the temperature requirement can be met only by starting the first electric heating unit. However, when the water outlet time of the air source heat pump is too long, the temperature in the liner may be reduced as a whole, so that the water outlet temperature is affected, and therefore, on the basis of the water outlet flow, the on states of the first electric heating unit and the second electric heating unit are also judged based on the first time threshold.
Optionally, determining the on state of the first electric heating unit and the second electric heating unit according to the water outlet time length and the first time length threshold value comprises the following two steps.
Step S2041: if the water outlet time length is smaller than the first time length threshold value, only the first electric heating unit is started.
In step S2042, if the water outlet time length is greater than the first time length threshold, the first electric heating unit and/or the second electric heating unit is turned on.
For example, when the water outlet time period is smaller than the first time period threshold (for example, 1 hour), the water temperature in the liner is not greatly reduced, and the hot water can be maintained within a certain range by only relying on the first electric heating unit, and at the moment, only the first electric heating unit is turned on. When the water outlet time length is larger than the first time length threshold value, the water temperature in the liner is reduced to a larger extent, and at the moment, the first electric heating unit and the second electric heating unit are started at the same time to ensure the water outlet temperature. In addition, in the case where the output power of the second electric heating unit is higher than that of the first electric heating unit, only the second electric heating unit may be turned on. In this embodiment, the water outlet duration is determined through the first time threshold, so that it is ensured that the water outlet temperature does not fluctuate and decrease when the user uses the water demand with medium temperature (corresponding to the water outlet temperature reached by only starting the first electric heating unit), and the water use comfort is improved.
In step S205, when the system time is in the on period of the second electric heating unit, if the water outlet flow is in the second flow interval, the on states of the first electric heating unit and the second electric heating unit are determined according to the water outlet time length and the second time length threshold.
The water supply device is configured to supply the water to the first electric heating unit, and the second electric heating unit is configured to supply the water to the second electric heating unit. However, when the water outlet time period of the air source heat pump is shorter, the first electric heating unit and the second electric heating unit can be further controlled based on the second time period threshold value, so that the energy consumption is further reduced.
Optionally, determining the on state of the first electric heating unit and the second electric heating unit according to the water outlet time length and the second time length threshold value comprises the following two steps:
In step S2051, if the water outlet time period is greater than the second time period threshold, the first electric heating unit and/or the second electric heating unit is turned on.
Step S2052, if the water outlet time is less than the second time threshold, turning off the first electric heating unit and turning on the second electric heating unit.
For example, the water outlet time period corresponds to the water consumption behavior of the user, and when the water outlet time period is greater than the second time period threshold, the water consumption behavior corresponding to the user can be determined. For example, when the water outlet flow is a, the corresponding water using device is determined to be a high-temperature faucet of a bath, when the high-temperature faucet is continuously discharged for more than a second time period threshold (for example, 2 minutes), the user behavior is confirmed, the water is heated by heating power meeting the water using requirement (namely, the first electric heating unit and the second electric heating unit are simultaneously started), otherwise, the first electric heating unit is closed, the second electric heating unit is only started, hot water in the liner is heated by lower heating power, the requirement of short-time water using by the user (for example, hand washing) is met, and the energy consumption of the air source heat pump is reduced.
Optionally, after step S203, the method further includes:
Step S206, obtaining the outlet water temperature of the air source heat pump, and determining the temperature change trend of the outlet water temperature according to the outlet water temperature, wherein the temperature change trend comprises a temperature rising trend and a temperature falling trend.
In step S207, when only the first electric heating unit is turned on, if the temperature variation trend of the outlet water temperature is a temperature decrease trend, the first electric heating unit and the second electric heating unit are turned on at the same time.
The temperature sensor is arranged in the air source heat pump to obtain the water outlet temperature of the air source heat pump, and the corresponding temperature change trend is determined according to the water outlet temperature, wherein when the temperature change trend of the water outlet temperature is a temperature decrease trend, the fact that under the condition that only the water requirement corresponding to the first electric heating unit is started, the stable water outlet temperature cannot be maintained by only the heat output by the first electric heating unit is indicated, at the moment, the second electric heating unit is started to serve as a supplementary heat source to heat the water temperature in the inner container, and the situation that under the condition of multi-point water consumption, for example, due to overlarge water outlet, the heat power originally determined by the water requirement of single-point water consumption (namely, only the first electric heating unit is started) is avoided. Thereby improving the stability of the outlet water temperature.
In this embodiment, the implementation manner of step S201 to step S202 is the same as the implementation manner of step S101 to step S102 in the embodiment shown in fig. 2 of the present invention, and will not be described in detail here.
Fig. 5 is a schematic structural diagram of an air source heat pump control device according to an embodiment of the present invention, which is applied to an air source heat pump, wherein the air source heat pump includes a first electric heating unit and a second electric heating unit, and as shown in fig. 5, the air source heat pump control device 3 provided in this embodiment includes:
A configuration module 31, configured to obtain configuration information, where the configuration information includes an on period of the first electric heating unit and an on period of the second electric heating unit;
The obtaining module 32 is configured to obtain flow information of the air source heat pump if the current system time is in an on period of the first electric heating unit, where the flow information is used to characterize an output water amount of the air source heat pump in a preset duration;
the control module 33 is configured to turn on the first electric heating unit and/or turn on the first electric heating unit and the second electric heating unit according to the flow information, the on period of the first electric heating unit, and the on period of the second electric heating unit.
The configuration module 31, the acquisition module 32, and the control module 33 are sequentially connected. The air source heat pump control device 3 provided in this embodiment may execute the technical scheme of the method embodiment shown in any one of fig. 2 to 4, and its implementation principle and technical effect are similar, and will not be described herein again.
In one possible implementation, the configuration information further includes a first flow interval corresponding to the first electric heating unit, and a second flow interval corresponding to the second electric heating unit; the flow information comprises the outlet water flow, and the outlet water flow represents the output water quantity of the heat pump water heater in unit time; the control module 33 is specifically configured to: when the system time is in the on period of the first electric heating unit and is not in the on period of the second electric heating unit, only the first electric heating unit is started; when the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval, only the first electric heating unit is started; if the water outlet flow is in the second flow interval, the first electric heating unit and/or the second electric heating unit are/is started.
In one possible implementation, the configuration information further includes a first time length threshold corresponding to the first electric heating unit, and a second time length threshold corresponding to the second electric heating unit; the flow information also comprises water outlet time length which represents the duration of outputting hot water by the heat pump water heater; the control module 33 is specifically configured to, when determining that the water flow rate is within the first flow rate interval, turn on only the first electric heating unit: if the water outlet flow is in the first flow interval and the water outlet time length is smaller than the first time length threshold value, the first electric heating unit is started.
In one possible implementation, the control module 33 is further configured to: if the water outlet flow is positioned in the first flow interval and the water outlet time is longer than the first time threshold, the first electric heating unit and/or the second electric heating unit are/is started.
In one possible implementation manner, the configuration information further includes a first time length threshold value corresponding to the first electric heating unit, and a second time length threshold value corresponding to the second electric heating unit; the flow information also comprises water outlet time length which represents the duration of outputting hot water by the heat pump water heater; the control module 33 is specifically configured to, when determining that the water flow rate is within the second flow rate interval, turn on the first electric heating unit and/or the second electric heating unit: if the water outlet flow is positioned in the second flow interval and the water outlet time length is greater than the second time length threshold, the first electric heating unit and/or the second electric heating unit are/is started.
In one possible implementation, the control module 33 is further configured to: if the water outlet flow is in the second flow interval and the water outlet time is smaller than the second time threshold, the first electric heating unit is turned off, and the second electric heating unit is turned on.
In one possible implementation, the control module 33 is further configured to: obtaining the outlet water temperature of the air source heat pump; determining a temperature change trend of the outlet water temperature according to the outlet water temperature, wherein the temperature change trend comprises a temperature rising trend and a temperature falling trend; when only the first electric heating unit is started, if the temperature change trend of the outlet water temperature is a temperature decrease trend, the first electric heating unit and the second electric heating unit are started at the same time.
In one possible implementation, the configuration information includes a plurality of sub-on periods corresponding to the first electric heating unit and a plurality of sub-on periods corresponding to the second electric heating unit; each sub-opening period corresponding to the second electric heating unit corresponds to a first flow interval respectively; each sub-on period corresponding to the second electric heating unit corresponds to a second flow interval respectively.
Fig. 6 is a schematic diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 6, the electronic device 4 provided in this embodiment includes: memory 41, processor 42 and computer program.
Wherein a computer program is stored in the memory 41 and configured to be executed by the processor 42 to implement the air source heat pump control method provided by any of the embodiments of the invention corresponding to fig. 2-4.
Wherein the memory 41 and the processor 42 are connected by a bus 43.
The relevant descriptions and effects corresponding to the steps in the embodiments corresponding to fig. 2-4 may be understood correspondingly, and are not described in detail herein.
An embodiment of the present invention provides a computer readable storage medium having a computer program stored thereon, the computer program being executed by a processor to implement the air source heat pump control method provided in any of the embodiments corresponding to fig. 2-4 of the present invention.
The computer readable storage medium may be, among other things, ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
An embodiment of the invention provides a computer program product comprising a computer program for execution by a processor of an air source heat pump control method as provided in any of the embodiments corresponding to fig. 2-4 of the invention.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of modules is merely a logical function division, and there may be additional divisions of actual implementation, e.g., multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
Claims (4)
1. An air source heat pump control method, characterized by being applied to an air source heat pump, the air source heat pump including a first electric heating unit and a second electric heating unit, the method comprising:
Acquiring configuration information, wherein the configuration information comprises an on period of the first electric heating unit, an on period of a second electric heating unit, a first flow interval corresponding to the first electric heating unit, a second flow interval corresponding to the second electric heating unit, a first time length threshold corresponding to the first electric heating unit, and a second time length threshold corresponding to the second electric heating unit; the flow information comprises water outlet flow and water outlet time length, the water outlet flow represents the output water quantity of the heat pump water heater in unit time length, and the water outlet time length represents the duration of outputting hot water by the heat pump water heater; the configuration information is time period information set by a user through an application running on the terminal equipment;
if the current system time is in the on period of the first electric heating unit, acquiring flow information of the air source heat pump, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset duration;
Turning on the first electric heating unit and/or turning on the first electric heating unit and the second electric heating unit according to the flow information, the on period of the first electric heating unit and the on period of the second electric heating unit;
the switching on the first electric heating unit according to the flow information, the switching on period of the first electric heating unit and the switching on period of the second electric heating unit, and/or switching on the first electric heating unit and the second electric heating unit, includes:
when the system time is in the on period of the first electric heating unit and is not in the on period of the second electric heating unit, only the first electric heating unit is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval and the water outlet time length is smaller than the first time length threshold, only the first electric heating unit is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval and the water outlet time is longer than the first time threshold, the first electric heating unit and the second electric heating unit are started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval, the water outlet time is longer than the first time threshold, and the output power of the second electric heating unit is higher than that of the first electric heating unit, only the second electric heating unit is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in a second flow interval and the water outlet time is longer than the second time threshold, the first electric heating unit and/or the second electric heating unit are/is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the second flow interval and the water outlet time length is smaller than the second time length threshold value, the first electric heating unit is turned off, and the second electric heating unit is turned on;
The method further comprises the steps of:
Obtaining the outlet water temperature of the air source heat pump;
Determining a temperature change trend of the water outlet temperature according to the water outlet temperature, wherein the temperature change trend comprises a temperature rising trend and a temperature falling trend;
When only the first electric heating unit is started, if the temperature change trend of the outlet water temperature is the temperature decrease trend, the first electric heating unit and the second electric heating unit are started at the same time.
2. An air source heat pump control device, characterized by being applied to an air source heat pump including a first electric heating unit and a second electric heating unit, the device comprising:
a configuration module, configured to obtain configuration information, where the configuration information includes an on period of the first electric heating unit, an on period of the second electric heating unit, a first flow interval corresponding to the first electric heating unit, a second flow interval corresponding to the second electric heating unit, a first time length threshold corresponding to the first electric heating unit, and a second time length threshold corresponding to the second electric heating unit; the flow information comprises water outlet flow and water outlet time length, the water outlet flow represents the output water quantity of the heat pump water heater in unit time length, and the water outlet time length represents the duration of outputting hot water by the heat pump water heater; the configuration information is time period information set by a user through an application running on the terminal equipment;
The acquisition module is used for acquiring flow information of the air source heat pump if the current system time is in the on period of the first electric heating unit, wherein the flow information is used for representing the output water quantity of the air source heat pump in a preset time period;
a control module, configured to turn on the first electric heating unit and/or turn on the first electric heating unit and the second electric heating unit according to the flow information, the turn-on period of the first electric heating unit, and the turn-on period of the second electric heating unit;
the control module is specifically configured to: when the system time is in the on period of the first electric heating unit and is not in the on period of the second electric heating unit, only the first electric heating unit is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval and the water outlet time length is smaller than the first time length threshold, only the first electric heating unit is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval and the water outlet time is longer than the first time threshold, the first electric heating unit and the second electric heating unit are started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the first flow interval, the water outlet time is longer than the first time threshold, and the output power of the second electric heating unit is higher than that of the first electric heating unit, only the second electric heating unit is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in a second flow interval and the water outlet time is longer than the second time threshold, the first electric heating unit and/or the second electric heating unit are/is started;
When the system time is in the on period of the second electric heating unit, if the water outlet flow is in the second flow interval and the water outlet time length is smaller than the second time length threshold value, the first electric heating unit is turned off, and the second electric heating unit is turned on;
The control module is further configured to: obtaining the outlet water temperature of the air source heat pump; determining a temperature change trend of the outlet water temperature according to the outlet water temperature, wherein the temperature change trend comprises a temperature rising trend and a temperature falling trend; when only the first electric heating unit is started, if the temperature change trend of the outlet water temperature is a temperature decrease trend, the first electric heating unit and the second electric heating unit are started at the same time.
3. An electronic device, comprising: a memory, a processor, and a computer program;
Wherein the computer program is stored in the memory and configured to be executed by the processor to implement the air source heat pump control method of claim 1.
4. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are for implementing the air source heat pump control method of claim 1.
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| CN108286795A (en) * | 2017-01-09 | 2018-07-17 | 芜湖美的厨卫电器制造有限公司 | Water heater and its control method |
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