CN113339974A - Speed regulation method and device for outdoor fan and full-quality air conditioner - Google Patents

Speed regulation method and device for outdoor fan and full-quality air conditioner Download PDF

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Publication number
CN113339974A
CN113339974A CN202110669471.1A CN202110669471A CN113339974A CN 113339974 A CN113339974 A CN 113339974A CN 202110669471 A CN202110669471 A CN 202110669471A CN 113339974 A CN113339974 A CN 113339974A
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outdoor
outdoor fan
real
fan
expansion valve
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冯晓宏
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Zhongjie Environmental Technology Xi'an Group Co ltd
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Zhongjie Environmental Technology Xi'an Group Co ltd
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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
    • 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
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F11/70—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
    • 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
    • F24F11/70—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
    • F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The disclosure provides a speed regulation method and device of an outdoor fan and a full-quality air conditioner, and relates to the technical field of air conditioners. The method comprises the following steps: acquiring an outdoor temperature value, an outdoor humidity value and a real-time opening degree of an electronic expansion valve; calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature value, the outdoor humidity value, the opening degree of the electronic expansion valve and a preset rule; and controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan. The speed regulating method of the outdoor fan provided by the embodiment of the disclosure has a simple control circuit, and the outdoor unit CPU calculates and processes data such as an outdoor temperature value, an outdoor humidity value, an electronic valve opening degree and the like and then outputs a PWM signal so as to realize the fan speed regulation of the outdoor fan.

Description

Speed regulation method and device for outdoor fan and full-quality air conditioner
Technical Field
The disclosure relates to the technical field of air conditioners, in particular to a speed regulation method and device of an outdoor fan and a full-quality air conditioner.
Background
The speed regulation mode that fan motor of new trend air conditioner all-in-one off-premises station is commonly used in the existing market has:
the outdoor unit CPU processes the temperature signals of the outdoor environment temperature sensor and the outdoor pipe temperature sensor and then controls the outdoor fan to operate at high, medium and low rotating speeds for radiating heat for the condenser.
And secondly, the CPU of the outdoor unit controls the variable-frequency speed-regulating operation of the outdoor fan motor to dissipate heat of the condenser after processing the signals according to the outdoor environment temperature sensor, the outdoor pipe temperature sensor and the like.
Disclosure of Invention
The purpose of the disclosure is to overcome the defects of the prior art and provide a speed regulation method and device of an outdoor fan and a full-quality air conditioner.
According to a first aspect of the embodiments of the present disclosure, there is provided a speed regulation method for an outdoor fan, the method including:
acquiring an outdoor temperature value, an outdoor humidity value and a real-time opening degree of an electronic expansion valve;
calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature value, the outdoor humidity value, the opening degree of the electronic expansion valve and a preset rule;
and controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
In one embodiment, the calculating the real-time rotation speed of the outdoor fan according to the outdoor temperature and humidity values, the opening degree of the electronic expansion valve, and a preset rule includes:
calculating the real-time rotating speed of the outdoor fan according to the following calculation formula:
D4sszs＝c3pssrx + d; wherein,
d4sszs is the real-time rotating speed of the outdoor fan; c. C3Is a constant, which is related to the model of the outdoor fan; d is a shutdown running constant of the outdoor fan, which is 30% of the maximum rotating speed of the outdoor fan; pssrx is the variation with the operation condition and the real-time external temperature and humidity, and the calculation formula is as follows:
Pssrx＝(a*A3+b*PcsL)2-c*H3；
wherein PcsL is the real-time opening degree of the electronic expansion valve, A3Is an outdoor temperature value, H3The outdoor temperature values a, b and c are constants.
In one embodiment, the controlling the operation of the outdoor fan according to the real-time rotation speed of the outdoor fan includes:
and after the compressor and the electronic expansion valve are opened for a first preset time, controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
In one embodiment, the first preset time is 3-10 s.
In one embodiment, the electronic expansion valve is closed after the compressor is closed for a second preset time.
In one embodiment, the second preset time is 30 s.
In one embodiment, the outdoor fan is turned off after the compressor is turned off for a third preset time.
In one embodiment, the third predetermined time is 30-60 s.
According to a second aspect of the embodiments of the present disclosure, there is provided a speed adjusting device of an outdoor fan, the device including:
the acquisition module is used for acquiring an outdoor temperature value, an outdoor humidity value and the real-time opening degree of the electronic expansion valve;
the calculation module is used for calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature value, the outdoor humidity value, the opening degree of the electronic expansion valve and a preset rule;
and the control module is used for controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
In one embodiment, the computing module is configured to,
the method is also used for calculating the real-time rotating speed of the outdoor fan according to the following calculation formula:
D4sszs＝c3pssrx + d; wherein,
d4sszs is the real-time rotating speed of the outdoor fan; c. C3Is a constant, which is related to the model of the outdoor fan; d is a shutdown running constant of the outdoor fan, which is 30% of the maximum rotating speed of the outdoor fan; pssrx is the variation with the operation condition and the real-time external temperature and humidity, and the calculation formula is as follows:
Pssrx＝(a*A3+b*PcsL)2-c*H3；
wherein PcsL is the real-time opening degree of the electronic expansion valve, A3Is an outdoor temperature value, H3The outdoor temperature values a, b and c are constants.
In one embodiment, the control module is configured to,
and the controller is also used for controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan after the compressor and the electronic expansion valve are opened for a first preset time.
In one embodiment, the first preset time is 3-10 s.
In one embodiment, the electronic expansion valve is closed after the compressor is closed for a second preset time.
In one embodiment, the second preset time is 30 s.
In one embodiment, the outdoor fan is turned off after the compressor is turned off for a third preset time.
In one embodiment, the third predetermined time is 30-60 s.
According to a third aspect of the embodiments of the present disclosure, there is provided a full quality air conditioner comprising an indoor unit part and an outdoor unit part;
the indoor unit part comprises a condenser and a first fan arranged close to the condenser;
the outdoor unit part comprises an evaporator, a second fan, a first filter, an electronic expansion valve, a second filter, a third filter, a four-way valve, a variable frequency compressor, a gas-liquid separator and an exhaust temperature sensor, wherein the second fan is arranged close to the evaporator;
one end of the evaporator is connected with one end of the first filter, the other end of the evaporator is connected with a first end of the four-way valve, the other end of the first filter is connected with one end of the electronic expansion valve, the other end of the electronic expansion valve is connected with one end of the second filter, the other end of the second filter is connected with one end of the condenser, the other end of the condenser is connected with one end of the third filter, the other end of the third filter is connected with a second end of the four-way valve, a third end of the four-way valve is connected with the air pressure separator, a fourth end of the four-way valve is connected with one end of the variable frequency compressor, and the other end of the variable frequency compressor is connected with the air-liquid separator.
The full-quality air conditioner controls the rotating speed of the outdoor fan according to the speed regulating method of the outdoor fan.
The speed regulating method of the outdoor fan provided by the embodiment of the disclosure has a simple control circuit, and the outdoor unit CPU calculates and processes data such as an outdoor temperature value, an outdoor humidity value, an electronic valve opening degree and the like and then outputs a PWM signal so as to realize the fan speed regulation of the outdoor fan.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
Fig. 1 is a flowchart of a speed regulation method for an outdoor fan according to an embodiment of the present disclosure;
fig. 2 is an architecture diagram of a speed adjusting device of an outdoor fan according to an embodiment of the present disclosure.
Fig. 3 is a system diagram of a full-quality air conditioner according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention. Additionally, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
The electronic expansion valve is a novel throttling and pressure reducing device, is controlled by an outdoor unit CPU, has the same function as a throttling and pressure reducing device such as a thermal expansion valve, a capillary tube, a throttle valve and the like, and performs throttling and pressure reducing on a cooled liquid high-pressure refrigerant to reduce the pressure and the temperature of the refrigerant, thereby preparing for the evaporation and heat absorption of the refrigerant in an evaporator; the air conditioner outdoor fan is used for heat dissipation of the condenser so as to improve the heat exchange efficiency of the condenser.
It should be noted that the outdoor fan in the embodiment of the present disclosure may be an outdoor fan, and the outdoor fan is a novel, energy-saving, high-efficiency, variable-speed, dc brushless fan, and the brushless fan has a compact structure, is convenient to install, has a small volume, a large air volume, a high pressure, and a small vibration, is particularly suitable for ventilation places with strict noise requirements and a large air volume change range, and is an ideal supporting product for industries such as air conditioning and purification.
Fig. 1 is a flowchart of a speed regulation method for an outdoor fan according to an embodiment of the present disclosure. As shown in fig. 1, the speed regulation method of the outdoor fan comprises the following steps:
step 101, obtaining an outdoor temperature value, an outdoor humidity value and a real-time opening degree of an electronic expansion valve.
It should be noted that, in the embodiment of the present disclosure, an outdoor environment temperature and humidity sensor may be disposed on the outdoor unit to simultaneously check the outdoor temperature value and the outdoor humidity value, or an outdoor environment temperature sensor and an outdoor environment humidity sensor may be disposed on the outdoor unit to respectively check the outdoor temperature value and the outdoor humidity value. The controller on the full-quality air conditioner is connected with the outdoor environment temperature and humidity sensor, or the controller on the full-quality air conditioner is respectively connected with the outdoor environment temperature sensor and the outdoor environment humidity sensor.
It should be further explained that the full-quality air conditioner in the embodiment of the present disclosure may also be called a fresh air conditioner all-in-one machine.
For example, the electronic expansion valve in the embodiments of the present disclosure is controlled by an opening degree of an electronic pulse signal controller, and the pulse signal may also be used to control the rotation speed of the outdoor fan motor, where the opening degree of the electronic expansion valve is a real-time temperature and humidity change amount along with the outdoor, and the fan motor also needs to change along with the outdoor temperature and humidity change. The real-time opening pulse data of the electronic expansion valve controls the rotating speed of the fan motor, so that the temperature of the radiator is reduced.
102, calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature value, the outdoor humidity value, the opening degree of the electronic expansion valve and a preset rule;
in one embodiment, the calculating the real-time rotation speed of the outdoor fan according to the outdoor temperature and humidity values, the opening degree of the electronic expansion valve, and a preset rule includes:
calculating the real-time rotating speed of the outdoor fan according to the following calculation formula:
D4sszs＝c3pssrx + d; wherein,
d4sszs is the real-time rotating speed of the outdoor fan; c. C3Is a constant, which is related to the model of the outdoor fan; d is a shutdown running constant of the outdoor fan, which is 30% of the maximum rotating speed of the outdoor fan; pssrx is the variation with the operation condition and the real-time external temperature and humidity, and the calculation formula is as follows:
Pssrx＝(a*A3+b*PcsL)2-c*H3；
wherein PcsL is the real-time opening degree of the electronic expansion valve, A3Is an outdoor temperature value, H3The outdoor temperature values a, b and c are constants.
And 103, controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
According to the real-time rotating speed of the outdoor fan, the operation of the outdoor fan is controlled to comprise the following steps:
and after the compressor and the electronic expansion valve are opened for a first preset time, controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
In the embodiment of the disclosure, after the compressor and the electronic expansion valve are opened for the first preset time, the outdoor fan is controlled to operate according to the real-time rotating speed of the outdoor fan, so that the compressor is cooled after the compressor generates heat, and unnecessary energy loss caused by the early operation of the outdoor fan is avoided.
In one embodiment, the first predetermined time is 3-10 s.
It should be noted that, when the full-quality air conditioner is in normal operation, the real-time rotating speed of the outdoor fan is calculated according to the following calculation formula:
D4sszs＝c4pssrx + d; wherein,
d4sszs is the real-time rotating speed of the outdoor fan; c. C4Is a constant, which is experimentally derived data, and the data is related to the signal of the outdoor fan; d is the shutdown running constant of the outdoor fan, which is 30% of the maximum rotating speed of the outdoor fan.
Optionally, the method further comprises:
and after the compressor is closed for a second preset time, closing the electronic expansion valve.
In one embodiment, the second preset time is 30 s.
Optionally, the method further comprises:
and after the compressor is closed for a third preset time, closing the outdoor fan.
In this embodiment, after the compressor is turned off for the third preset time, the outdoor fan is turned off to dissipate heat generated during operation of the compressor as soon as possible, so as to prevent condensation near the compressor caused by heat dissipated during operation of the compressor, thereby affecting operation of the full-quality air conditioner.
In one embodiment, the third predetermined time is 30-60 s.
The speed regulating method of the outdoor fan provided by the embodiment of the disclosure has a simple control circuit, and the outdoor unit CPU calculates and processes data such as an outdoor temperature value, an outdoor humidity value, an electronic valve opening degree and the like and then outputs a PWM signal so as to realize the fan speed regulation of the outdoor fan.
Based on the speed regulation method of the outdoor fan described in the embodiment corresponding to fig. 1, the following is an embodiment of the apparatus of the present disclosure, which may be used to execute the embodiment of the method of the present disclosure.
Fig. 2 is an architecture diagram of a control device of an air conditioner according to an embodiment of the present disclosure. As shown in fig. 2, the control device 20 of the air conditioner includes: an acquisition module 201, a calculation module 202 and a control module 203; wherein,
an obtaining module 201, configured to obtain an outdoor temperature value, an outdoor humidity value, and a real-time opening degree of the electronic expansion valve;
the calculation module 202 is used for calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature value, the outdoor humidity value, the opening degree of the electronic expansion valve and a preset rule;
and the control module 203 is used for controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
In one embodiment, the computing module is configured to,
the method is also used for calculating the real-time rotating speed of the outdoor fan according to the following calculation formula:
D4sszs＝c3pssrx + d; wherein,
d4sszs is the real-time rotating speed of the outdoor fan; c. C3Is a constant, which is related to the model of the outdoor fan; d is a shutdown running constant of the outdoor fan, which is 30% of the maximum rotating speed of the outdoor fan; pssrx is the variation with the operation condition and the real-time external temperature and humidity, and the calculation formula is as follows:
Pssrx＝(a*A3+b*PcsL)2-c*H3；
wherein PcsL is the real-time opening degree of the electronic expansion valve, A3Is an outdoor temperature value, H3The outdoor temperature values a, b and c are constants.
In one embodiment, the control module is configured to,
and the controller is also used for controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan after the compressor and the electronic expansion valve are opened for a first preset time.
In one embodiment, the first preset time is 3-10 s.
In one embodiment, the electronic expansion valve is closed after the compressor is closed for a second preset time.
In one embodiment, the second preset time is 30 s.
In one embodiment, the outdoor fan is turned off after the compressor is turned off for a third preset time.
In one embodiment, the third predetermined time is 30-60 s.
The embodiment of the disclosure also discloses a full-quality air conditioner, and the full-quality air conditioner is controlled according to the speed regulation method.
Fig. 3 is a system diagram of a full-quality air conditioner according to an embodiment of the present disclosure. As shown in fig. 3, the full-quality air conditioner in the embodiment of the present disclosure includes an indoor unit part and an outdoor unit part;
the indoor unit part comprises a condenser and a first fan arranged close to the condenser;
the outdoor unit part comprises an evaporator, a second fan, a first filter, an electronic expansion valve, a second filter, a third filter, a four-way valve, a variable frequency compressor, a gas-liquid separator and an exhaust temperature sensor, wherein the second fan is arranged close to the evaporator;
one end of the evaporator is connected with one end of the first filter, the other end of the evaporator is connected with a first end of the four-way valve, the other end of the first filter is connected with one end of the electronic expansion valve, the other end of the electronic expansion valve is connected with one end of the second filter, the other end of the second filter is connected with one end of the condenser, the other end of the condenser is connected with one end of the third filter, the other end of the third filter is connected with a second end of the four-way valve, a third end of the four-way valve is connected with the air pressure separator, a fourth end of the four-way valve is connected with one end of the variable frequency compressor, and the other end of the variable frequency compressor is connected with the air-liquid separator.
It should be noted that the full-quality air conditioner in the embodiment of the present disclosure may also be referred to as a fresh air conditioner all-in-one machine.
The full-quality air conditioner controls the rotating speed of the outdoor fan according to the speed regulating method of the outdoor fan. Based on the speed control method for the outdoor fan described in the embodiment corresponding to fig. 1, an embodiment of the present disclosure further provides a computer-readable storage medium, for example, the non-transitory computer-readable storage medium may be a Read Only Memory (ROM), a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like. The storage medium stores computer instructions for executing the speed regulation method of the outdoor fan described in the embodiment corresponding to fig. 1, which is not described herein again.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (10)

1. A speed regulation method of an outdoor fan is characterized by comprising the following steps:
acquiring an outdoor temperature value, an outdoor humidity value and a real-time opening degree of an electronic expansion valve;
calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature value, the outdoor humidity value, the opening degree of the electronic expansion valve and a preset rule;
and controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
2. The speed regulating method according to claim 1, wherein the calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature and humidity values, the opening degree of the electronic expansion valve and the preset rule comprises:
calculating the real-time rotating speed of the outdoor fan according to the following calculation formula:
D4sszs＝c3pssrx + d; wherein,
d4sszs is the real-time rotating speed of the outdoor fan; c. C3Is a constant, which is related to the model of the outdoor fan; d is the shutdown running constant of the outdoor fan, which is the outdoor fan30% of the maximum rotation speed; pssrx is the variation with the operation condition and the real-time external temperature and humidity, and the calculation formula is as follows:
Pssrx＝(a*A3+b*PcsL)2-c*H3；
wherein PcsL is the real-time opening degree of the electronic expansion valve, A3Is an outdoor temperature value, H3The outdoor temperature values a, b and c are constants.
3. The speed regulating method according to claim 1 or 2, wherein the controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan comprises:
and after the compressor and the electronic expansion valve are opened for a first preset time, controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
4. A method of regulating speed according to claim 3, wherein the first predetermined time is 3-10 s.
5. A method of regulating speed according to claim 1 or 2, characterized in that the method further comprises:
and after the compressor is closed for a second preset time, closing the electronic expansion valve.
6. A method of regulating speed according to claim 5, wherein the second predetermined time is 30 s.
7. A method of regulating speed according to claim 1 or 2, characterized in that the method further comprises:
and after the compressor is closed for a third preset time, closing the outdoor fan.
8. A method according to claim 7, wherein the third predetermined time is 30-60 s.
9. A speed regulation device of an outdoor fan, characterized in that the device comprises:
the acquisition module is used for acquiring an outdoor temperature value, an outdoor humidity value and the real-time opening degree of the electronic expansion valve;
the calculation module is used for calculating the real-time rotating speed of the outdoor fan according to the outdoor temperature value, the outdoor humidity value, the opening degree of the electronic expansion valve and a preset rule;
and the control module is used for controlling the outdoor fan to operate according to the real-time rotating speed of the outdoor fan.
10. A full quality air conditioner is characterized in that the full quality air conditioner comprises an indoor unit part and an outdoor unit part;
the indoor unit part comprises a condenser and a first fan arranged close to the condenser;
the outdoor unit part comprises an evaporator, a second fan, a first filter, an electronic expansion valve, a second filter, a third filter, a four-way valve, a variable frequency compressor, a gas-liquid separator and an exhaust temperature sensor, wherein the second fan is arranged close to the evaporator;
one end of the evaporator is connected with one end of the first filter, the other end of the evaporator is connected with a first end of the four-way valve, the other end of the first filter is connected with one end of the electronic expansion valve, the other end of the electronic expansion valve is connected with one end of the second filter, the other end of the second filter is connected with one end of the condenser, the other end of the condenser is connected with one end of the third filter, the other end of the third filter is connected with a second end of the four-way valve, a third end of the four-way valve is connected with the air pressure separator, a fourth end of the four-way valve is connected with one end of the variable frequency compressor, and the other end of the variable frequency compressor is connected with the air-liquid separator.
The full-quality air conditioner controls the rotating speed of the outdoor fan according to the speed regulation method of the outdoor fan as claimed in any one of claims 1 to 8.
CN202110669471.1A 2021-06-17 2021-06-17 Speed regulation method and device for outdoor fan and full-quality air conditioner Pending CN113339974A (en)

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Citations (5)

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Application publication date: 20210903