CN109611989A - A kind of temperature of water chiller/heater and press Frequency Synchronization regulating device and method - Google Patents
A kind of temperature of water chiller/heater and press Frequency Synchronization regulating device and method Download PDFInfo
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- CN109611989A CN109611989A CN201811523340.7A CN201811523340A CN109611989A CN 109611989 A CN109611989 A CN 109611989A CN 201811523340 A CN201811523340 A CN 201811523340A CN 109611989 A CN109611989 A CN 109611989A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- General Induction Heating (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of temperature of water chiller/heater and press Frequency Synchronization regulating device and method, by adjust press in first starting, delivery temperature is abnormal and outer coil temperature exception in the case where frequency and carry out according to the operating mode and setting target temperature of user's input the adjusting of press frequency, it is adjusted in this adjustment process simultaneously according to being environment temperature, inflow temperature, delivery temperature and outer coil temperature, to realize that the temperature of water chiller/heater and press Frequency Synchronization are adjusted；Water chiller/heater is set to keep stable operating status under various environment and state.
Description
Technical field
The present invention relates to water chiller/heater field, especially a kind of temperature of water chiller/heater and press Frequency Synchronization regulating device
With method.
Background technique
Currently, water chiller/heater obtains widely for having good temperature control effect in terms of cooling and warming in each bad border
Using.When water chiller/heater is influenced in practical process by factors, and press is that control water chiller/heater is stable
Key, therefore how to make water chiller/heater in complicated bad border and internal temperature variation, still keep stable operating status to be
The key core problem of water chiller/heater.
Summary of the invention
To solve the above problems, a kind of temperature for being designed to provide water chiller/heater of the embodiment of the present invention and press frequency
Synchronizing controls and method make water chiller/heater keep stable operating status in complicated bad border and internal temperature variation.
Technical solution used by the present invention solves the problems, such as it is:
A kind of temperature of water chiller/heater and press Frequency Synchronization adjusting method, comprising the following steps:
Just start the press of water chiller/heater and adjusts initiation culture；
Read environment temperature, inflow temperature, delivery temperature and outer coil temperature；
According to the operating mode of water chiller/heater, press frequency is obtained by environment temperature and inflow temperature according to table is set in frequency
Rate；
Delivery temperature is abnormal, and press frequency is adjusted according to delivery temperature；
Outer coil temperature is abnormal, and press frequency is adjusted according to outer coil temperature；
Read user input setting target temperature, inflow temperature with set target temperature it is different when, to press frequency into
Row thermostatic control.
Further, the press of the just starting water chiller/heater and the step of adjust initiation culture specifically: just start press
Afterwards, initiation culture was gradually increased to 50Hz at first 2 minutes.
Further, the operating mode according to water chiller/heater, according to setting table in frequency by environment temperature and inflow temperature
In the step of obtaining press frequency, the operating mode includes heating mode and refrigeration mode, and it includes system that table is set in the frequency
It is set in heat pattern in table and refrigeration mode and sets table；Table is set in heating mode and corresponds to heating mode, and the corresponding system of table is set in refrigeration mode
Cold mode.
Further, the step of delivery temperature is abnormal, and press frequency is adjusted according to delivery temperature includes following
Step:
TE >=120 DEG C are for 5 seconds, and press is shut down；
120 DEG C of 115 DEG C≤TE <, press frequency declines 1Hz/4S until press low-limit frequency；
115 DEG C of 113 DEG C≤TE <, press frequency declines 1Hz/5S until press low-limit frequency；
113 DEG C of 112 DEG C≤TE <, press frequency declines 1Hz/10S until press low-limit frequency；
112 DEG C of 110 DEG C≤TE <, press frequency is gradually reduced until delivery temperature is lower than 110 DEG C；
Wherein TE is delivery temperature.
Further, the step of outer coil temperature is abnormal, and press frequency is adjusted according to outer coil temperature include
Following steps:
To >=65 DEG C are for 10 seconds, and press is shut down；
65 DEG C of 60 DEG C≤To <, press frequency declines 1Hz/5S until press low-limit frequency；
60 DEG C of 55 DEG C≤To <, press frequency is gradually reduced until outer coil temperature is lower than 55 degrees Celsius；Wherein To is outer
Coil temperature.
Further, the setting target temperature for reading user's input, it is right when inflow temperature is different with setting target temperature
Press frequency carry out thermostatic control the step of the following steps are included:
Read setting target temperature Tin, return difference temperature Td and the operating mode of user's input；
As Tw >=Tin and when operating mode is heating mode, press frequency is run to 35-40Hz；
Tw > Tin+0.2 DEG C, press frequency decline 1Hz/30S until Tin-0.2 DEG C≤T≤Tin+0.2 DEG C；
Tin-Td < Tw < Tin-0.2 DEG C, press frequency rises 1Hz/30S until Tin-0.2 DEG C of < Tw
< Tin+0.2 DEG C；
Wherein, Tw is inflow temperature.
Further, the setting target temperature for reading user's input, it is right when inflow temperature is different with setting target temperature
It is further comprising the steps of that press frequency carries out the step of thermostatic control:
As Tw≤Tin and when operating mode is refrigeration mode, press frequency is run to 35-40Hz；
Tw < Tin-0.2 DEG C, press frequency decline 1Hz/30S until Tin-0.2 DEG C≤T≤Tin+0.2 DEG C；
Tin+0.2 DEG C of < Tw < Tin+Td, press frequency rises 1Hz/30S until Tin-0.2 DEG C of < Tw < Tin+0.2
℃；
Wherein, Tw is inflow temperature.
Further, a kind of temperature of water chiller/heater and press Frequency Synchronization adjusting method, it is further comprising the steps of: to work as press
When being less than or equal to 35Hz within frequency continuous 1 hour, press carries out the operating of oil return in 2 minutes, and oil return operating frequency is 50-55Hz.
A kind of temperature of water chiller/heater and press Frequency Synchronization regulating device, comprising: customer parameter read module, for reading
Take setting target temperature, return difference temperature and the operating mode of family input；Temperature interface, for reading environment temperature, water inlet temperature
Degree, delivery temperature and outer coil temperature；With press frequency control module, for controlling press frequency；The press frequency control
Module is connect with customer parameter read module and temperature interface respectively.
Further, the press frequency control module includes:
Just starting control module adjusts initiation culture when just starting for press；
Inside set module of meter control, for the operating mode according to water chiller/heater, according to set in frequency table by environment temperature and
Inflow temperature obtains press frequency；
Delivery temperature control module, it is abnormal for delivery temperature, press frequency is adjusted according to delivery temperature；
Outer coil temperature control module, it is abnormal for outer coil temperature, press frequency is adjusted according to outer coil temperature；
Thermostatic control module when different with setting target temperature for inflow temperature, carries out thermostatic control to press frequency；
Oil return operates control module, enters oil return operating and oil return operating frequency for controlling press.
The beneficial effects of the present invention are: a kind of temperature of water chiller/heater used in the embodiment of the present invention and press Frequency Synchronization
Regulating device, by press in first starting, delivery temperature is abnormal, outer coil temperature is abnormal and according to the various of user's input
Frequency control in the case where parameter, enables press to realize temperature according to external environment, itself environment and user demand in real time
With the synchronous adjustment of frequency, remain at water chiller/heater in the state of stable operation.
Detailed description of the invention
The invention will be further described with example with reference to the accompanying drawing.
Fig. 1 is a kind of flow chart of temperature of water chiller/heater and press Frequency Synchronization adjusting method of the embodiment of the present invention；
Fig. 2 is a kind of structure chart of temperature of water chiller/heater and press Frequency Synchronization regulating device of the embodiment of the present invention；
Fig. 3 is the structure chart of press frequency control module of the embodiment of the present invention.
Specific embodiment
Referring to Fig.1, the embodiment of the invention provides a kind of temperature of water chiller/heater and press Frequency Synchronization adjusting method, packets
Include following steps:
S100, the just press of starting water chiller/heater simultaneously adjust initiation culture；
S200, environment temperature, inflow temperature, delivery temperature and outer coil temperature are read；
S300, the operating mode according to water chiller/heater are pressed according to table is set in frequency by environment temperature and inflow temperature
Unit frequency；
S400, delivery temperature are abnormal, and press frequency is adjusted according to delivery temperature；
S500, outer coil temperature are abnormal, and press frequency is adjusted according to outer coil temperature；
S600, the setting target temperature for reading user's input, when inflow temperature is different with setting target temperature, to press frequency
Rate carries out thermostatic control.
Further, step S100 specifically: just after starting press, initiation culture was gradually increased to 50Hz at first 2 minutes.
In addition, after press frequency rises to 50Hz, it is every in the process of running to rise 10Hz by least 30 seconds, to avoid
Press frequency changes the too fast influence press service life.
Further, in step S300, the operating mode includes heating mode and refrigeration mode, and table packet is set in the frequency
It includes to set in heating mode in table and refrigeration mode and sets table；Table is set in heating mode and corresponds to heating mode, sets table pair in refrigeration mode
Answer refrigeration mode.Furthermore when operating mode is defrosting mode, the fixed control of press frequency is in 60Hz.
Referring to table 1, table 1 is that table is set in heating mode, i.e., in a heating mode, press frequency and environment temperature and temperature of intaking
The mapping table of degree.
Table 1
Referring to table 2, table 2 is that table is set in refrigeration mode, i.e., in cooling mode, press frequency and environment temperature and temperature of intaking
The mapping table of degree.
Table 2
In Tables 1 and 2, press frequency and inflow temperature or environment temperature are not simple linear relationship, but by
The variation range that both inflow temperature and environment temperature codetermine, takes optimal value in this range, so that water chiller/heater is run
State optimization.
Further, step S400 the following steps are included:
TE >=120 DEG C are for 5 seconds, and press is shut down；
120 DEG C of 115 DEG C≤TE <, press frequency declines 1Hz/4S until press low-limit frequency；
115 DEG C of 113 DEG C≤TE <, press frequency declines 1Hz/5S until press low-limit frequency；
113 DEG C of 112 DEG C≤TE <, press frequency declines 1Hz/10S until press low-limit frequency；
112 DEG C of 110 DEG C≤TE <, press frequency is gradually reduced until delivery temperature is lower than 110 DEG C；
Wherein TE is delivery temperature.
After press is shut down 3 minutes, when delivery temperature is in 110 DEG C or less, press starting restores to operate normally.
When excessive discharge temperature, press frequency is gradually reduced to make delivery temperature gradually reduce according to delivery temperature；
In different ranges, press frequency fall also accordingly changes delivery temperature, keeps delivery temperature decrease speed controllable；But it arranges
The mode that gas temperature excursions then directly take press to shut down.It realizes that delivery temperature is protected with this, guarantees water chiller/heater
Stable operation.
Further, step S500 the following steps are included:
To >=65 DEG C are for 10 seconds, and press is shut down；
65 DEG C of 60 DEG C≤To <, press frequency declines 1Hz/5S until press low-limit frequency；
60 DEG C of 55 DEG C≤To <, press frequency is gradually reduced until outer coil temperature is lower than 55 degrees Celsius；Wherein To is outer
Coil temperature.
After press is shut down 3 minutes, when outer coil temperature is in 55 DEG C or less, press starting restores to operate normally.
When external disk pipe when the temperature is excessively high, gradually reduce press frequency according to outer coil temperature to making outer coil temperature gradually
It reduces；The mode that outer coil temperature off-rating then directly takes press to shut down.Outer coil temperature protection is realized with this, is guaranteed
The stable operation of water chiller/heater.
Further, when the temperature of frequency-variable module exceeds its setting value, press is stopped running immediately；To realize hot and cold water
The frequency-variable module overtemperature prote of machine.
Further, step S600 the following steps are included:
Read setting target temperature Tin, return difference temperature Td and the operating mode of user's input；
As Tw >=Tin and when operating mode is heating mode, press frequency is run to 35-40Hz；
Tw > Tin+0.2 DEG C, press frequency decline 1Hz/30S until Tin-0.2 DEG C≤T≤Tin+0.2 DEG C；
Tin-Td < Tw < Tin-0.2 DEG C, press frequency rises 1Hz/30S until Tin-0.2 DEG C of < Tw < Tin+
0.2℃；
Wherein, Tw is inflow temperature.
Further, step S600 is further comprising the steps of:
As Tw≤Tin and when operating mode is refrigeration mode, press frequency is run to 35-40Hz；
Tw < Tin-0.2 DEG C, press frequency decline 1Hz/30S until Tin-0.2 DEG C≤T≤Tin+0.2 DEG C；
Tin+0.2 DEG C of < Tw < Tin+Td, press frequency rises 1Hz/30S until Tin-0.2 DEG C of < Tw < Tin+0.2
℃；
Wherein, Tw is inflow temperature.
Further, a kind of temperature of water chiller/heater and press Frequency Synchronization adjusting method, it is further comprising the steps of: to work as press
When being less than or equal to 35Hz within frequency continuous 1 hour, press carries out the operating of oil return in 2 minutes, and oil return operating frequency is 50-55Hz.
A kind of temperature of water chiller/heater and press Frequency Synchronization regulating device, comprising: customer parameter read module 700 is used
In the setting target temperature, return difference temperature and the operating mode that read user's input；Temperature interface 900, for read environment temperature,
Inflow temperature, delivery temperature and outer coil temperature；With press frequency control module 800, for controlling press frequency；The press
Frequency control module 800 is connect with customer parameter read module 700 and temperature interface 900 respectively.
The temperature interface 900 and environment temperature sensor, inflow temperature sensor, exhaust gas temperature sensor and outer coil pipe
Temperature sensor connection.The environment temperature sensor is mounted in the working environment of water chiller/heater；Inflow temperature sensor peace
On the inlet pipeline of water chiller/heater；Exhaust gas temperature sensor is mounted on the gas exhaust piping of compressor；Outer coil temperature passes
Sensor is mounted on outer coil pipe.
Further, the press frequency control module 800 includes: just to start control module 810, when just starting for press
Adjust initiation culture；Module of meter control 820 is inside set, for the operating mode according to water chiller/heater, according to setting table in frequency by ring
Border temperature and inflow temperature obtain press frequency；Delivery temperature control module 830, it is abnormal for delivery temperature, according to exhaust temperature
Press frequency is adjusted in degree；Outer coil temperature control module 840, it is abnormal for outer coil temperature, according to outer coil temperature into
Row adjusts press frequency；Thermostatic control module 850, for inflow temperature with set target temperature it is different when, to press frequency into
Row thermostatic control；Oil return operates control module 860, enters oil return operating and oil return operating frequency for controlling press.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of temperature of water chiller/heater and press Frequency Synchronization adjusting method, which comprises the following steps:
Just start the press of water chiller/heater and adjusts initiation culture；
Read environment temperature, inflow temperature, delivery temperature and outer coil temperature；
According to the operating mode of water chiller/heater, press frequency is obtained by environment temperature and inflow temperature according to table is set in frequency；
Delivery temperature is abnormal, and press frequency is adjusted according to delivery temperature；
Outer coil temperature is abnormal, and press frequency is adjusted according to outer coil temperature；
The setting target temperature of user's input is read, when inflow temperature is different with setting target temperature, press frequency is carried out permanent
Temperature control system.
2. a kind of temperature of water chiller/heater according to claim 1 and press Frequency Synchronization adjusting method, which is characterized in that
The step of starting the press of water chiller/heater at the beginning of described and adjusting initiation culture specifically: just after starting press, gradually at first 2 minutes
Initiation culture is improved to 50Hz.
3. a kind of temperature of water chiller/heater according to claim 2 and press Frequency Synchronization adjusting method, which is characterized in that
The operating mode according to water chiller/heater obtains the step of press frequency by environment temperature and inflow temperature according to table is set in frequency
In rapid, the operating mode includes heating mode and refrigeration mode, and it includes that table and system are set in heating mode that table is set in the frequency
Table is set in cold mode；Table is set in heating mode and corresponds to heating mode, is set table in refrigeration mode and is corresponded to refrigeration mode.
4. a kind of temperature of water chiller/heater according to claim 1 and press Frequency Synchronization adjusting method, which is characterized in that
The step of delivery temperature is abnormal, and press frequency is adjusted according to delivery temperature the following steps are included:
TE >=120 DEG C are for 5 seconds, and press is shut down；
120 DEG C of 115 DEG C≤TE <, press frequency declines 1Hz/4S until press low-limit frequency；
115 DEG C of 113 DEG C≤TE <, press frequency declines 1Hz/5S until press low-limit frequency；
113 DEG C of 112 DEG C≤TE <, press frequency declines 1Hz/10S until press low-limit frequency；
112 DEG C of 110 DEG C≤TE <, press frequency is gradually reduced until delivery temperature is lower than 110 DEG C；
Wherein TE is delivery temperature.
5. a kind of temperature of water chiller/heater according to claim 4 and press Frequency Synchronization adjusting method, which is characterized in that
The step of outer coil temperature is abnormal, and press frequency is adjusted according to outer coil temperature the following steps are included:
To >=65 DEG C are for 10 seconds, and press is shut down；
65 DEG C of 60 DEG C≤To <, press frequency declines 1Hz/5S until press low-limit frequency；
60 DEG C of 55 DEG C≤To <, press frequency is gradually reduced until outer coil temperature is lower than 55 degrees Celsius；Wherein To is outer coil pipe
Temperature.
6. a kind of temperature of water chiller/heater according to claim 1 and press Frequency Synchronization adjusting method, which is characterized in that
The setting target temperature for reading user's input when inflow temperature is different with setting target temperature, carries out press frequency permanent
The step of temperature control the following steps are included:
Read setting target temperature Tin, return difference temperature Td and the operating mode of user's input；
As Tw >=Tin and when operating mode is heating mode, press frequency is run to 35-40Hz；
Tw > Tin+0.2 DEG C, press frequency decline 1Hz/30S until Tin-0.2 DEG C≤T≤Tin+0.2 DEG C；
Tin-Td < Tw < Tin-0.2 DEG C, press frequency rises 1Hz/30S until Tin-0.2 DEG C of < Tw < Tin+0.2 DEG C；
Wherein, Tw is inflow temperature.
7. a kind of temperature of water chiller/heater according to claim 6 and press Frequency Synchronization adjusting method, which is characterized in that
The setting target temperature for reading user's input when inflow temperature is different with setting target temperature, carries out press frequency permanent
The step of temperature control, is further comprising the steps of:
As Tw≤Tin and when operating mode is refrigeration mode, press frequency is run to 35-40Hz；
Tw < Tin-0.2 DEG C, press frequency decline 1Hz/30S until Tin-0.2 DEG C≤T≤Tin+0.2 DEG C；
Tin+0.2 DEG C of < Tw < Tin+Td, press frequency rises 1Hz/30S until Tin-0.2 DEG C of < Tw < Tin+0.2 DEG C；
Wherein, Tw is inflow temperature.
8. a kind of temperature of water chiller/heater according to claim 1 and press Frequency Synchronization adjusting method, which is characterized in that
Further comprising the steps of: when being less than or equal to 35Hz when press frequency continuous 1 is small, press carries out the operating of oil return in 2 minutes, oil return
Operating frequency is 50-55Hz.
9. a kind of temperature of water chiller/heater and press Frequency Synchronization regulating device characterized by comprising customer parameter reads mould
Block, for reading setting target temperature, return difference temperature and the operating mode of user's input；Temperature interface, for reading environment temperature
Degree, inflow temperature, delivery temperature and outer coil temperature；With press frequency control module, for controlling press frequency；The press
Frequency control module is connect with customer parameter read module and temperature interface respectively.
10. a kind of temperature of water chiller/heater according to claim 9 and press Frequency Synchronization regulating device, feature exist
In the press frequency control module includes:
Just starting control module adjusts initiation culture when just starting for press；
Module of meter control is inside set, for the operating mode according to water chiller/heater, according to setting table in frequency by environment temperature and water inlet
Temperature obtains press frequency；
Delivery temperature control module, it is abnormal for delivery temperature, press frequency is adjusted according to delivery temperature；
Outer coil temperature control module, it is abnormal for outer coil temperature, press frequency is adjusted according to outer coil temperature；
Thermostatic control module when different with setting target temperature for inflow temperature, carries out thermostatic control to press frequency；
Oil return operates control module, enters oil return operating and oil return operating frequency for controlling press.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811523340.7A CN109611989B (en) | 2018-12-12 | 2018-12-12 | Device and method for synchronously adjusting temperature of cold and hot water machine and frequency of press |
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|---|---|---|---|
| CN201811523340.7A CN109611989B (en) | 2018-12-12 | 2018-12-12 | Device and method for synchronously adjusting temperature of cold and hot water machine and frequency of press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111536023A (en) * | 2020-05-14 | 2020-08-14 | 广东芬尼能源技术有限公司 | Control method and system for compressor running frequency interval and readable storage medium |
| CN111811147A (en) * | 2020-06-03 | 2020-10-23 | 珠海格力电器股份有限公司 | Group control method, device and system of water heater and group control host |
| CN114061186A (en) * | 2021-11-26 | 2022-02-18 | 珠海格力电器股份有限公司 | Operating frequency control method and device of air source heat pump water heater |
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