CN113606727A - Intelligent control method for refrigerating operation of household water machine - Google Patents
Intelligent control method for refrigerating operation of household water machine Download PDFInfo
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- CN113606727A CN113606727A CN202110784984.7A CN202110784984A CN113606727A CN 113606727 A CN113606727 A CN 113606727A CN 202110784984 A CN202110784984 A CN 202110784984A CN 113606727 A CN113606727 A CN 113606727A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/40—Damper positions, e.g. open or closed
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an intelligent control method for refrigerating operation of a household water machine, which is characterized in that the indoor air outlet temperature is enabled to quickly meet the user requirements by detecting the return air temperature of an air disk, the return air relative humidity of the air disk, the outdoor atmospheric temperature and the like in real time, comparing the return air temperature with the indoor environment target value, dividing the energy demand interval, and adjusting the system water temperature, the air quantity of the air disk, a water valve and the like according to the divided interval, so that the temperature change of the indoor air outlet is more gentle, the phenomenon of large-amplitude fluctuation is avoided, and the comfort of user experience is improved.
Description
Technical Field
The invention relates to a control method of an air conditioning system, in particular to a control method of the refrigeration operation of a water machine, and specifically relates to an intelligent control method of the refrigeration operation of a household water machine.
Background
At present, a household water machine on the market mainly comprises a main machine and an air disc. During the refrigeration operation, the main machine operation water temperature runs towards the target water temperature, but the main machine operation water temperature is not directly connected with the indoor target environment temperature and the air outlet temperature of the air disc. Thereby causing the host operating water temperature to be mismatched with the indoor capacity requirement. When the wind plate is stopped after reaching the temperature, the main machine is easily stopped, and the fluctuation of the wind outlet temperature is large. Meanwhile, the temperature of the running water of the host is usually set to be lower, so that the air outlet temperature of the air disc is lower, and the comfort experience of a human body is poorer.
Thus, improvements are needed to better meet market demands.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an intelligent control method for the refrigeration operation of a household water machine, which can effectively solve the existing problems and improve the comfort of user experience.
The technical scheme of the invention is as follows:
an intelligent control method for refrigerating operation of a household water machine comprises the steps that the household water machine comprises an outdoor machine and an indoor tail end; the control method comprises the following steps:
1) starting the unit and operating a refrigeration mode;
2) detecting indoor tail end return air temperature T1, indoor tail end return air relative humidity RH1, outdoor atmospheric temperature T2, an indoor temperature target value Ttarget and an indoor humidity target value RRhotarget in real time, and setting a rapid cooling section temperature value X1 according to the indoor atmospheric temperature T2, the indoor temperature target value Ttarget and the indoor humidity target value RRhotarget; a comfort segment temperature value X2; a stable segment temperature value X3; wherein X1 > X2 > X3;
3) if T1 is more than or equal to X1, turning to the step 4); otherwise, turning to the step 5);
4) the water temperature Tw of the control unit is as follows: tw is less than or equal to W1, and the indoor fan is operated at F1 with larger air volume; then, turning to step 2); wherein W1 is the set water temperature;
5) if X2 is not less than T1 is less than X1, turning to step 6); otherwise, turning to step 9);
6) if RH1 is larger than Rhot, then go to step 7); otherwise, turning to step 8);
7) the water temperature Tw of the control unit is as follows: tw is more than W1 and less than or equal to W2; meanwhile, the indoor fan is adjusted to be operated at F2 gear; then turning to step 2); wherein the rotating speed of F2 is less than the rotating speed of F1; w2 is set water temperature;
8) the water temperature Tw of the control unit is as follows: tw is more than W2 and less than or equal to W3; meanwhile, the indoor fan is adjusted to be operated at F3 gear; then turning to step 2); wherein the rotating speed of F3 is less than the rotating speed of F2; w3 is set water temperature;
9) if X3 is not less than T1 is less than X2, turning to the step 10); otherwise, turning to step 11);
10) the water temperature Tw of the control unit is as follows: tw is more than W3 and less than or equal to W4; meanwhile, the indoor fan is adjusted to be operated at F4 gear; then turning to step 2); wherein the rotating speed of F4 is less than the rotating speed of F3; w4 is set water temperature;
11) closing the water valve, and simultaneously keeping the indoor fan to operate at F4 gear; then go to step 2).
Further, the water temperature Tw of the unit is adjusted by controlling the amount of cold output from the water supply system.
Further, the W1 < W2 < W3 < W4.
Further, the F4 gear of the indoor fan is the minimum gear.
The invention has the beneficial effects that:
the invention has reasonable design, clear logic and convenient control, can adjust the wind speed of the indoor fan and the cold quantity of the water supply system in a segmented manner by detecting the return air temperature and the return air humidity at the indoor tail end of the unit in real time, greatly improves the user experience and fully meets the market demand.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
A household water machine comprises a main machine and an indoor tail end. The indoor end may be a wind plate or other similar structure. An indoor fan is arranged on the air disc. The indoor fan can be a fixed-frequency fan and can comprise a plurality of fixed gears. The variable-frequency fan can also be a variable-frequency fan, and a plurality of gears with different rotating speeds can be set.
The air return opening of the air disc is provided with a temperature sensor and a humidity sensor, and the temperature and the humidity of the return air can be detected in real time. The host is provided with an outdoor sensor which can detect outdoor atmospheric temperature.
As shown in FIG. 1, the intelligent control method for the refrigerating operation of the household water machine comprises the following steps:
1) starting the unit and operating a refrigeration mode;
2) detecting the return air temperature T1 of the air disc, the return air relative humidity RH1 of the air disc, the outdoor atmospheric temperature T2, the target indoor temperature Ttarget and the target indoor humidity RThurget in real time, and setting a temperature value X1 of a rapid cooling section according to the target indoor atmospheric temperature Ttarget and the target indoor humidity RThurget; a comfort segment temperature value X2; a stable segment temperature value X3; wherein X1 > X2 > X3;
3) if T1 is more than or equal to X1, turning to the step 4); otherwise, turning to the step 5);
4) the water temperature Tw of the unit is adjusted by controlling the cold quantity output by the host machine to the water supply system, and is controlled in the following range: tw is less than or equal to W1, and the indoor fan is operated at F1 with larger air volume; wherein W1 is the lower set water temperature; at the moment, because the indoor temperature is higher, the lower water temperature and the higher air volume of the unit are controlled, so that the indoor temperature is quickly reduced; then, turning to step 2);
5) if X2 is not less than T1 is less than X1, turning to step 6); otherwise, turning to step 9);
6) if RH1 is larger than Rhot, then go to step 7); otherwise, turning to step 8);
7) the water temperature Tw of the unit is adjusted by controlling the cold quantity output by the host machine to the water supply system, and is controlled in the following range: tw is more than W1 and less than or equal to W2; meanwhile, the indoor fan is adjusted to be operated at F2 gear; wherein the rotating speed of F2 is less than the rotating speed of F1; w2 is set water temperature, and W2 > W1; at the moment, the indoor temperature is reduced to a comfortable area, but the humidity is higher, so that the water temperature of the unit is properly increased, the load of a main machine is reduced, meanwhile, the air volume is reduced, and dehumidification is carried out while the temperature is reduced; then turning to step 2);
8) the water temperature Tw of the unit is adjusted by controlling the cold quantity output by the host machine to the water supply system, and is controlled in the following range: tw is more than W2 and less than or equal to W3; meanwhile, the indoor fan is adjusted to be operated at F3 gear; wherein the rotating speed of F3 is less than the rotating speed of F2; w3 is set water temperature, and W3 > W2; at the moment, the indoor temperature and humidity are in a more comfortable interval, so that the water temperature of the unit is further improved, the load of a host is reduced, the energy consumption is reduced, meanwhile, the air volume is reduced, the air outlet temperature is properly improved, and the air outlet comfort is improved; then turning to step 2);
9) if X3 is not less than T1 is less than X2, turning to the step 10); otherwise, turning to step 11);
10) the water temperature Tw of the unit is adjusted by controlling the cold quantity output by the host machine to the water supply system, and is controlled in the following range: : tw is more than W3 and less than or equal to W4; meanwhile, the indoor fan is adjusted to be operated at F4 gear; wherein the rotating speed of F4 is less than the rotating speed of F3; w4 is set water temperature, and W4 > W3; the F4 gear of the indoor fan can be a minimum gear; at the moment, the indoor temperature and the humidity are both in a comfortable interval, so that the water temperature of the unit can be further improved, the air quantity is reduced to the minimum, the relative balance and stability between the capacity of the unit and the indoor load are maintained, and the frequent starting and stopping of the air disc main engine are avoided; then turning to step 2);
11) closing a water valve, and simultaneously keeping the indoor fan to operate at F4 gear so as to stabilize the indoor environment temperature; then go to step 2).
The parameters of X1, X2, X3, W1, W2, W3, W4 and the like are obtained through corresponding tests and are programmed into a control program, so that the parameters can be automatically or manually configured according to the detected information of outdoor atmospheric temperature T2, wind disc return air temperature T1 and the like. For example:
1) when T1 is 35 ℃ when T2 < 48 ℃ is detected, Ttargrt can be automatically matched to 26 ℃ and RHtarget to 60%, and X1=33 ℃, X2=29 ℃, and X3=25 ℃ are set; w1=8 ℃, W2=12 ℃, W3=16 ℃, W4=20 ℃; meanwhile, a fixed-frequency fan is adopted, and the manufacturer designs 4 grades: f1=900 rpm, F2=800 rpm, F3=700 rpm, F4=600 rpm; or adopt the frequency conversion fan, can set up 4 shelves: f1=900 rpm, F2=800 rpm, F3=700 rpm, F4=600 rpm.
2) When T1 is 32 ℃ when T2 < 38 ℃ is < 33 ℃, Ttargrt may be manually set to 26 ℃, RHtarget to 60%, X1=30 ℃, X2=28 ℃, X3=25 ℃; w1=8 ℃, W2=10 ℃, W3=14 ℃, W4=20 ℃; simultaneously, set up to the variable frequency fan: f1=900 rpm, F2=720 rpm, F3=530 rpm, F4=390 rpm.
The water temperature of the unit can be the water inlet temperature of the air disc or the water inlet temperature or the water outlet temperature of the main machine.
The water valve involved in the invention can be an electric two-way valve or other proportional control valves capable of controlling the opening degree.
The indoor fan can be a single-gear or multi-gear alternating current motor or a variable frequency direct current motor.
The unit can be an integral unit or a split unit.
The number of the grading intervals involved in the invention can be any, and is determined according to the actual requirements of users.
The invention has clear logic and convenient control, can adjust the wind speed of the indoor fan and the cold quantity of the water supply system in a segmented manner by detecting the return air temperature and the return air humidity at the indoor tail end of the unit in real time, greatly improves the user experience and fully meets the market demand.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (4)
1. An intelligent control method for refrigerating operation of a household water machine is characterized in that the household water machine comprises an outdoor machine and an indoor tail end; the control method comprises the following steps:
1) starting the unit and operating a refrigeration mode;
2) detecting indoor tail end return air temperature T1, indoor tail end return air relative humidity RH1, outdoor atmospheric temperature T2, an indoor temperature target value Ttarget and an indoor humidity target value RRhotarget in real time, and setting a rapid cooling section temperature value X1 according to the indoor atmospheric temperature T2, the indoor temperature target value Ttarget and the indoor humidity target value RRhotarget; a comfort segment temperature value X2; a stable segment temperature value X3; wherein X1 > X2 > X3;
3) if T1 is more than or equal to X1, turning to the step 4); otherwise, turning to the step 5);
4) the water temperature Tw of the control unit is as follows: tw is less than or equal to W1, and the indoor fan is operated at F1 with larger air volume; then, turning to step 2); wherein W1 is the set water temperature;
5) if X2 is not less than T1 is less than X1, turning to step 6); otherwise, turning to step 9);
6) if RH1 is larger than Rhot, then go to step 7); otherwise, turning to step 8);
7) the water temperature Tw of the control unit is as follows: tw is more than W1 and less than or equal to W2; meanwhile, the indoor fan is adjusted to be operated at F2 gear; then turning to step 2); wherein the rotating speed of F2 is less than the rotating speed of F1; w2 is set water temperature;
8) the water temperature Tw of the control unit is as follows: tw is more than W2 and less than or equal to W3; meanwhile, the indoor fan is adjusted to be operated at F3 gear; then turning to step 2); wherein the rotating speed of F3 is less than the rotating speed of F2; w3 is set water temperature;
9) if X3 is not less than T1 is less than X2, turning to the step 10); otherwise, turning to step 11);
10) the water temperature Tw of the control unit is as follows: tw is more than W3 and less than or equal to W4; meanwhile, the indoor fan is adjusted to be operated at F4 gear; then turning to step 2); wherein the rotating speed of F4 is less than the rotating speed of F3; w4 is set water temperature;
11) closing the water valve, and simultaneously keeping the indoor fan to operate at F4 gear; then go to step 2).
2. The intelligent control method for the refrigerating operation of the household water machine as claimed in claim 1, wherein the water temperature Tw of the unit is adjusted by controlling the amount of cold output from the water supply system.
3. The intelligent control method for the refrigeration operation of the household water machine as claimed in claim 1, wherein W1 < W2 < W3 < W4.
4. The intelligent control method for the refrigeration operation of the household water machine as claimed in claim 1, wherein the F4 grade of the indoor fan is the minimum grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110784984.7A CN113606727B (en) | 2021-07-12 | 2021-07-12 | Household intelligent control method for water chiller operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110784984.7A CN113606727B (en) | 2021-07-12 | 2021-07-12 | Household intelligent control method for water chiller operation |
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| CN113606727A true CN113606727A (en) | 2021-11-05 |
| CN113606727B CN113606727B (en) | 2023-05-26 |
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| CN110736144A (en) * | 2019-10-12 | 2020-01-31 | 海信（山东）空调有限公司 | double-air-duct air conditioner and dehumidification method and system thereof |
| CN210624718U (en) * | 2019-04-28 | 2020-05-26 | 珠海格力电器股份有限公司 | Air conditioning system |
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2021
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|---|---|---|---|---|
| CN102967027A (en) * | 2012-12-14 | 2013-03-13 | 四川长虹空调有限公司 | Control method for inverter heat pump air conditioner |
| CN105387541A (en) * | 2015-11-06 | 2016-03-09 | 上海清清家科技有限公司 | Household science and technology system and control method thereof |
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