CN111706981A - Cold air prevention control method and system for air source heat pump air heater unit - Google Patents
Cold air prevention control method and system for air source heat pump air heater unit Download PDFInfo
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- CN111706981A CN111706981A CN202010459253.0A CN202010459253A CN111706981A CN 111706981 A CN111706981 A CN 111706981A CN 202010459253 A CN202010459253 A CN 202010459253A CN 111706981 A CN111706981 A CN 111706981A
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- air
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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
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a cold air prevention control method and a cold air prevention control system for an air source heat pump air heater unit, wherein the control method comprises the following steps: s1, judging whether the air source heat pump air heater unit is in a heating mode, if so, turning to S2, and if not, turning to S6; s2, judging whether the air outlet temperature T of the air outlet is less than or equal to a preset value ST, if so, turning to S3, and if not, turning to S5; s3, the air deflector stays at the cold-proof position, and the step S4 is turned; s4, operating the heating mode for a preset time TT, and turning to S2; s5, continuing to operate in the heating mode; s6, normal operation; the air source heat pump air heater unit cold air prevention control system is used for achieving the control method. According to the invention, the cold wind prevention position of the wind deflector is arranged, so that when the air outlet temperature of the indoor unit is lower at the initial starting stage of the indoor unit, the wind blown out from the indoor unit can not directly blow on a human body, and the cold wind prevention position of the wind deflector plays a role in protecting the human body by changing the wind direction, so that the comfort level of a user can be improved.
Description
Technical Field
The invention relates to the field of air conditioners and heat pumps, in particular to a cold air prevention control method and system for an air source heat pump air heater unit.
Background
The air conditioner with the vertical or cabinet type indoor unit is called as a vertical air conditioner, when the vertical air conditioner is started in a heating mode, generally, when the weather is cold in winter, under the condition, a human body is extremely sensitive to cold air, the temperature of outlet air is lower at the initial starting stage of the indoor unit, when the outlet air of the indoor unit is directly blown to a person, a user can not feel warm but feel the outlet air is favorable and cold, and the user experience is poor.
To solve this problem, the present invention is hereby proposed.
Disclosure of Invention
The invention aims to provide a cold air prevention control method for an air source heat pump air heater unit, which increases the design that an air guide plate stays at a cold air prevention position, so that an indoor unit cannot directly blow air to people when air is just blown out, and the user experience is improved.
The purpose of the invention can be realized by the following technical scheme:
a cold air prevention control method for an air source heat pump air heater unit comprises the following steps:
s1, judging whether the air source heat pump air heater unit is in a heating mode, if so, turning to S2, and if not, turning to S6;
s2, judging whether the air outlet temperature T of the air outlet is less than or equal to a preset value ST, if so, turning to S3, and if not, turning to S5;
preferably, the
S3, the air deflector stays at the cold-proof position, and the step S4 is turned;
s4, operating the heating mode for a preset time TT, and turning to S2;
and S5, continuing to operate the heating mode.
And S6, normal operation.
Preferably, the preset value ST ranges from less than 24 °.
Preferably, the TT time ranges from 0.5 to 5 minutes.
The invention also aims to provide a cold air prevention control method for the air source heat pump air heater unit.
The other purpose of the invention can be realized by the following technical scheme:
a cold air prevention control system of an air source heat pump air heater unit is used for achieving the control method and comprises an indoor unit, a compressor, a condenser, an evaporator, a throttling device and a control system, wherein a temperature sensor is arranged at an air outlet of the indoor unit and used for measuring an air outlet temperature T, an air deflector 1 is arranged on the indoor unit, an air guide angle is adjusted by controlling the staying angle of the air deflector 1, the control system is connected with the temperature sensor and used for obtaining the air outlet temperature T, and the control system can control the staying angle of the air deflector 1.
Further, the air deflector stop angle comprises a closing position, a cold air prevention position, a refrigeration and heating initial position and a wind sweeping maximum angle position.
Preferably, the included angle between the closed position and the cold wind prevention position is 30 °.
Preferably, the included angle between the cold air prevention position and the refrigeration and heating initial position is 30 degrees.
Preferably, the angle between the initial cooling and heating positions and the maximum sweeping angle position is 30 °.
Preferably, the closing position and the cold wind prevention position are located below the horizontal plane, the included angle between the closing position and the horizontal plane is 45 degrees, and the included angle between the cold wind prevention position and the horizontal plane is 15 degrees.
Preferably, the initial cooling and heating position and the maximum wind sweeping angle position are located above the horizontal plane, the included angle between the maximum wind sweeping angle position and the horizontal plane is 45 degrees, and the included angle between the initial cooling and heating position and the horizontal plane is 15 degrees
The invention has the beneficial effects that:
according to the invention, the cold wind prevention position of the wind deflector is arranged, so that when the air outlet temperature of the indoor unit is lower at the initial starting stage of the indoor unit, the wind blown out by the indoor unit cannot directly blow on a human body, the cold wind prevention position of the wind deflector plays a role in protecting the human body by changing the wind direction, and when the temperature is increased to the comfortable temperature which can be borne by the human body, the wind deflector returns to the conventional angle for blowing, so that the comfort degree of a user can be improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a flow chart of a cold air prevention control method of an air source heat pump air heater unit according to the invention.
Fig. 2 is a schematic view showing the positions where the air deflection plates of the present invention stay.
Fig. 3 is a structure view of the air deflector of the indoor unit of the present invention in the cold air preventing position.
Fig. 4 is a structural view of the air guide plate of the indoor unit of the present invention in the initial position of cooling and heating.
Reference numerals:
1-an air deflector; 2-closed position; 3-cold air prevention position; 4-initial positions of cooling and heating; 5-maximum wind sweeping angle position.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a method for controlling an air source heat pump air heater unit to prevent cold air, the air source heat pump air heater unit comprises an indoor unit, a compressor, a condenser, an evaporator, a throttling device and a control system, the air outlet of the indoor unit is provided with a temperature sensor which is used for measuring the air outlet temperature T, the indoor unit is provided with an air deflector 1, the air guide angle is adjusted by controlling the stay angle of the air guide plate 1, the stay angle of the air guide plate 1 comprises a closing position 2, a cold air preventing position 3, a refrigerating and heating initial position 4 and a wind sweeping maximum angle position 5, the included angle between the closing position 2 and the cold air prevention position 3 is 30 degrees, the included angle between the cold air prevention position 3 and the refrigeration and heating initial position 4 is 30 degrees, the angle between the initial cooling and heating position 4 and the maximum sweeping angle position 5 is 30 °.
Further, the closed position 2 is located below the horizontal plane and forms an angle of 45 ° with the horizontal plane.
Further, closed position 2 and anti-cold wind position 3 are located the below of horizontal plane, and the contained angle of closed position 2 and horizontal plane is 45, and the contained angle of anti-cold wind position 3 and horizontal plane is 15.
Further, the refrigerating and heating initial position 4 and the maximum wind sweeping angle position 5 are located above the horizontal plane, the included angle between the maximum wind sweeping angle position 5 and the horizontal plane is 45 degrees, and the included angle between the refrigerating and heating initial position 4 and the horizontal plane is 15 degrees.
The cold air prevention position 3 of the air deflector 1 means that when the air deflector 1 stays at the position, air blown out from the indoor unit cannot directly blow to a human body, so that the human body is protected, cold air blown out from the indoor unit is prevented from directly blowing to the body surface of a user, and the comfort level experience of the user can be improved.
Specifically, the air source heat pump air heater unit cold air prevention control method is characterized in that the air source heat pump air heater unit is started in a heating mode, when the air outlet temperature is low, the air deflector 1 is stopped at a cold air prevention position 3 to avoid blowing towards people, when the air outlet temperature is raised to a high set temperature, the air deflector 1 is adjusted to a cold and heating initial position 4, hot air at a high temperature can meet indoor required heat load, the air guide angle of the air deflector 1 is adjusted when the air source heat pump air heater unit is started, cold air is prevented from being directly blown to a user, user use experience is improved, and the user is prevented from stopping the air deflector at an angle manually.
The air source heat pump air heater unit cold air prevention control method comprises the following steps:
s1, judging whether the air source heat pump air heater unit is in a heating mode, if so, turning to S2, and if not, turning to S6;
s2, judging whether the air outlet temperature T of the air outlet is less than or equal to a preset value ST, if so, turning to S3, and if not, turning to S5;
preferably, the range of the preset value ST is less than 24 °, and it is found through investigation that the human body feels uncomfortable when the temperature blown to the human body is less than 24 ° in the heating demand mode because the range of the preset value ST is selected to be less than 24 °.
S3, the air deflector stays at the cold-proof position, and the step S4 is turned;
s4, operating the heating mode for a preset time TT, and turning to S2;
setting the TT time in the heating mode, further judging the air outlet temperature T of the air outlet, and comparing the T with the preset value ST again, wherein the preferable value range of the TT time is 0.5-5 minutes.
And S5, the air deflector stays at the initial positions of cooling and heating, and the heating mode continues to operate.
And S6, normal operation.
A cold wind prevention control system of an air source heat pump air heater unit is used for achieving the control method and comprises an indoor unit, a compressor, a condenser, an evaporator, a throttling device and a control system, wherein a temperature sensor is arranged at an air outlet of the indoor unit and used for measuring an air outlet temperature T, an air deflector 1 is arranged on the indoor unit, an air guide angle is adjusted by controlling the stop angle of the air deflector 1, the stop angle of the air deflector 1 comprises a closing position 2, a cold wind prevention position 3, a refrigerating and heating initial position 4 and a wind sweeping maximum angle position 5, the control system is connected with the temperature sensor and used for obtaining the air outlet temperature T, and meanwhile, the control system can control the stop angle of the air deflector 1.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A cold wind prevention control method for an air source heat pump air heater unit is characterized by comprising the following steps:
s1, judging whether the air source heat pump air heater unit is in a heating mode, if so, turning to S2, and if not, turning to S6;
s2, judging whether the air outlet temperature T of the air outlet is less than or equal to a preset value ST, if so, turning to S3, and if not, turning to S5;
s3, the air deflector stays at the cold-proof position, and the step S4 is turned;
s4, operating the heating mode for a preset time TT, and turning to S2;
s5, the air deflector stays at the initial position of cooling and heating, and the heating mode continues to operate;
and S6, normal operation.
2. The cold-proof wind control method according to claim 1, wherein the preset value ST ranges from less than 24 °.
3. The cold-blast resistant control method of claim 1, wherein said TT time is in the range of 0.5-5 minutes.
4. An air source heat pump air heater unit cold air prevention control system is used for achieving the control method according to any one of claims 1-3 and is characterized by comprising an indoor unit, a compressor, a condenser, an evaporator, a throttling device and a control system, wherein a temperature sensor is arranged at an air outlet of the indoor unit and used for measuring air outlet temperature T, an air guide plate (1) is arranged on the indoor unit, the air guide angle is adjusted by controlling the stop angle of the air guide plate (1), the control system is connected with the temperature sensor and used for obtaining the air outlet temperature T, and the control system can control the stop angle of the air guide plate (1).
5. The cold-wind prevention control system according to claim 4, wherein the wind deflector (1) stay angles comprise a closed position (2), a cold-wind prevention position (3), a cooling and heating initial position (4) and a maximum wind sweeping angle position (5).
6. Cold air prevention control system according to claim 5, wherein the angle between the closed position (2) and the cold air prevention position (3) is 30 °.
7. Cold air prevention control system according to claim 5, wherein the angle between the cold air prevention position (3) and the initial cooling and heating position (4) is 30 °.
8. Cold air prevention control system according to claim 5, wherein the angle between the initial cooling and heating position (4) and the maximum sweeping angle position (5) is 30 °.
9. The cold wind prevention control system according to claim 5, wherein the closing position (2) and the cold wind prevention position (3) are located below a horizontal plane, an angle between the closing position (2) and the horizontal plane is 45 °, and an angle between the cold wind prevention position (3) and the horizontal plane is 15 °.
10. The cold-wind prevention control system according to claim 5, wherein the initial cooling and heating position (4) and the maximum air-sweeping angular position (5) are located above a horizontal plane, the maximum air-sweeping angular position (5) forms an angle of 45 ° with the horizontal plane, and the initial cooling and heating position (4) forms an angle of 15 ° with the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010459253.0A CN111706981A (en) | 2020-05-27 | 2020-05-27 | Cold air prevention control method and system for air source heat pump air heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010459253.0A CN111706981A (en) | 2020-05-27 | 2020-05-27 | Cold air prevention control method and system for air source heat pump air heater unit |
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| CN111706981A true CN111706981A (en) | 2020-09-25 |
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| CN202010459253.0A Pending CN111706981A (en) | 2020-05-27 | 2020-05-27 | Cold air prevention control method and system for air source heat pump air heater unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531651A (en) * | 2021-06-08 | 2021-10-22 | 青岛海信日立空调系统有限公司 | Air conditioner and control method of air deflector |
| CN113654222A (en) * | 2021-08-11 | 2021-11-16 | 珠海格力电器股份有限公司 | Cold air prevention control method |
| WO2022237163A1 (en) * | 2021-05-14 | 2022-11-17 | 青岛海尔空调器有限总公司 | Disinfection machine control method and system, and disinfection machine |
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| WO2022237163A1 (en) * | 2021-05-14 | 2022-11-17 | 青岛海尔空调器有限总公司 | Disinfection machine control method and system, and disinfection machine |
| CN113531651A (en) * | 2021-06-08 | 2021-10-22 | 青岛海信日立空调系统有限公司 | Air conditioner and control method of air deflector |
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Application publication date: 20200925 |