CN114909724A - Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium - Google Patents

Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium Download PDF

Info

Publication number
CN114909724A
CN114909724A CN202210402285.6A CN202210402285A CN114909724A CN 114909724 A CN114909724 A CN 114909724A CN 202210402285 A CN202210402285 A CN 202210402285A CN 114909724 A CN114909724 A CN 114909724A
Authority
CN
China
Prior art keywords
pump body
air conditioner
outdoor unit
temperature
cooling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210402285.6A
Other languages
Chinese (zh)
Inventor
王星元
矫立涛
马玉奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202210402285.6A priority Critical patent/CN114909724A/en
Publication of CN114909724A publication Critical patent/CN114909724A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • 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
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • 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
    • F24F2110/12—Temperature of the outside air
    • 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

Abstract

The application relates to the technical field of intelligent household appliances, and discloses a method for cooling an air conditioner outdoor unit, which comprises the following steps: acquiring the outdoor environment temperature; executing cooling control when the outdoor environment temperature is greater than or equal to the environment temperature threshold value; and determining the target speed of the pump body according to the judgment factor of the cooling control, and controlling the pump body to operate at the determined target speed of the pump body. The outdoor unit cooling control is executed by acquiring the outdoor environment temperature and judging the relation between the outdoor environment temperature and the environment temperature threshold, and the target speed of the pump body is determined by the judgment factor of the cooling control, so that the purpose of cooling the outdoor unit of the air conditioner is achieved. In the process, the target speed of the pump body is determined through the judgment factor of the cooling control, so that the heat dissipation circulation is accelerated by changing the running speed of the pump body, the heat exchange efficiency is accelerated, and the normal refrigeration performance of the air conditioner can be ensured while the air conditioner external unit is cooled. The application also discloses a device, an air conditioner and a storage medium for cooling the air conditioner outdoor unit.

Description

Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium
Technical Field
The application relates to the technical field of intelligent household appliances, in particular to a method and a device for cooling an air conditioner outdoor unit, an air conditioner and a storage medium.
Background
The electric control module of the air conditioner outdoor unit in the air conditioning system is provided with a radiator structure, and the electric control module is easy to radiate heat badly in a high-temperature environment, so that the temperature of the electric control module is gradually increased in the running process of the air conditioner. The problems of slow and difficult frequency rise of air conditioner refrigeration, easy error reporting of control logic, insufficient refrigeration capacity, increased running energy consumption and the like are caused. And the chip of the air conditioner computer board is poor in heat dissipation for a long time, and the chip can be damaged, so that the normal use of the air conditioning equipment is influenced.
At present, in order to ensure sufficient heat dissipation of an air conditioner electronic control module in the related art, a temperature control method of an intelligent power module is provided, which includes: acquiring the module temperature of the intelligent power module; when the module temperature is greater than a first preset threshold value, acquiring the last acquired module temperature, and calculating the temperature variation between the acquired module temperature and the last acquired module temperature; judging whether the intelligent power module is poor in heat dissipation or not based on the temperature variation; and if the intelligent power module has poor heat dissipation, suddenly reducing the frequency of the compressor to a preset frequency.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
in the related art, in order to realize the heat dissipation of the air conditioner electric control module, the frequency of a compressor needs to be reduced, so that the refrigeration effect of air conditioning equipment is influenced, and the normal refrigeration effect of the air conditioner cannot be ensured while the electric control module dissipates heat.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for cooling an air conditioner outdoor unit, an air conditioner and a storage medium, so as to solve the technical problem that the normal refrigeration performance of the air conditioner is influenced while the heat dissipation of an electric control module is ensured.
In some embodiments, the outdoor unit of the air conditioner comprises a heat dissipation pipeline, the heat dissipation pipeline comprises a pump body, and the method for cooling the outdoor unit of the air conditioner comprises the following steps:
acquiring the outdoor environment temperature;
performing cooling control when the outdoor ambient temperature is greater than or equal to the ambient temperature threshold;
and determining the target speed of the pump body according to the judgment factor of the cooling control, and controlling the pump body to operate at the determined target speed of the pump body.
Optionally, cooling control is performed, comprising:
acquiring the temperature of a radiator of an outdoor unit;
and controlling the pump body to start under the condition that the temperature of the outdoor unit radiator reaches the preset pump body opening temperature.
Optionally, determining a target speed of the pump body according to a judgment factor of the cooling control, including: and determining the target speed of the first pump body according to the corresponding relation between the temperature of the outdoor unit radiator and the target speed of the first pump body.
Optionally, cooling control is performed, comprising:
acquiring the exhaust temperature of an air conditioner;
and controlling the pump body to start under the condition that the exhaust temperature reaches the preset pump body opening temperature.
Optionally, determining a target speed of the pump body according to a judgment factor of the cooling control, including: and determining the target speed of the second pump body according to the corresponding relation between the exhaust temperature and the target speed of the second pump body.
Optionally, the heat dissipation pipeline may include a capillary segment and an electronic expansion valve, and the method for cooling the outdoor unit of the air conditioner may include:
acquiring the temperature of a radiator of an outdoor unit;
and when the temperature of the outdoor unit radiator is greater than or equal to the radiating temperature threshold value, adjusting the opening of the electronic expansion valve.
Optionally, adjusting the electronic expansion valve opening comprises:
determining a target opening according to the corresponding relation between the temperature of the outdoor unit radiator and the opening of the electronic expansion valve;
and adjusting the opening of the electronic expansion valve according to the determined target opening.
In some embodiments, the apparatus for cooling an outdoor unit of an air conditioner includes:
the processor is configured to execute the method for cooling the air conditioner outdoor unit when the processor runs the program instructions.
In some embodiments, the air conditioner includes:
the device for cooling the outdoor unit of the air conditioner is as described above.
In some embodiments, the storage medium comprises:
program instructions are stored which, when executed, perform the method for cooling an outdoor unit of an air conditioner as described above.
The method and the device for cooling the air conditioner external unit, the air conditioner and the storage medium provided by the embodiment of the disclosure can realize the following technical effects:
the outdoor unit cooling control is executed by acquiring the outdoor environment temperature and judging the relation between the outdoor environment temperature and the environment temperature threshold, and the target speed of the pump body is determined by the judgment factor of the cooling control, so that the purpose of cooling the outdoor unit of the air conditioner is achieved. In the process, the target speed of the pump body is determined through the judgment factor of the cooling control, so that the heat dissipation circulation is accelerated by changing the running speed of the pump body, the heat exchange efficiency is accelerated, and the normal refrigeration performance of the air conditioner can be ensured while the air conditioner external unit is cooled.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic structural view of an air conditioner outdoor unit according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram illustrating a method for cooling an outdoor unit of an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a schematic view illustrating another method for cooling an outdoor unit of an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a schematic view illustrating another method for cooling an outdoor unit of an air conditioner according to an embodiment of the present disclosure;
fig. 5 is another schematic structural diagram of an external unit of an air conditioner according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram illustrating a method for cooling an outdoor unit of an air conditioner according to an embodiment of the present disclosure;
fig. 7 is a schematic view illustrating an apparatus for cooling an outdoor unit of an air conditioner according to an embodiment of the present disclosure.
Reference numerals:
10: a return gas line; 20: a heat sink; 30: a heat dissipation pipeline; 301: a pump body; 302: an evaporation pipe section; 303: a condenser section; 304: a capillary segment; 305: a first tube section; 306: a second pipe section.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more, unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.
In the embodiment of the disclosure, the intelligent household appliance is a household appliance formed by introducing a microprocessor, a sensor technology and a network communication technology into the household appliance, and has the characteristics of intelligent control, intelligent sensing and intelligent application, the operation process of the intelligent household appliance usually depends on the application and processing of modern technologies such as internet of things, internet and an electronic chip, for example, the intelligent household appliance can realize the remote control and management of a user on the intelligent household appliance by connecting the intelligent household appliance with the electronic device.
In the disclosed embodiment, the terminal device is an electronic device with a wireless connection function, and the terminal device can be in communication connection with the above intelligent household appliance by connecting to the internet, or can be in communication connection with the above intelligent household appliance directly in a bluetooth mode, a wifi mode, or the like. In some embodiments, the terminal device is, for example, a mobile device, a computer, or a vehicle-mounted device built in a floating car, or any combination thereof. The mobile device may include, for example, a cell phone, a smart home device, a wearable device, a smart mobile device, a virtual reality device, or the like, or any combination thereof, wherein the wearable device includes, for example: smart watches, smart bracelets, pedometers, and the like.
Referring to fig. 1, an outdoor unit of an air conditioner according to an embodiment of the present disclosure includes a casing, a return air pipe 10, a radiator, and a heat dissipation pipe 30; the air return pipeline 10 is used for being connected with a compressor of an air conditioner outdoor unit, and a low-temperature refrigerant flows in the air return pipeline 10; the radiator is arranged in the shell and used for radiating and cooling an electric control module of the air conditioner outdoor unit; the heat dissipation pipeline 30 comprises an evaporation pipeline section 302, a condensation pipeline section 303, a first pipeline section 305 and a second pipeline section 306, the heat dissipation pipeline 30 is in heat conduction connection with the air return pipeline 10 and the radiator, the pump body 301 is arranged on the heat dissipation pipeline 30 to drive a heat transfer medium in the heat dissipation pipeline 30 to flow, heat dissipated by the radiator is transferred to the air return pipeline 10 through the flowing heat transfer medium to be condensed and cooled, and the cooled heat transfer medium flows back to the radiator to form a heat dissipation cycle.
Referring to fig. 2, an embodiment of the present disclosure provides a method for cooling an outdoor unit of an air conditioner, including:
s201, the air conditioning equipment acquires the outdoor ambient temperature.
In the embodiment of the present disclosure, the outdoor ambient temperature is obtained through detection by the temperature sensor, and detection of the outdoor temperature information by the temperature sensor is a mature technology, which is not described in detail herein. The location of the temperature sensor is not particularly limited in this application as long as it can be used to obtain the outdoor ambient temperature.
And S202, under the condition that the outdoor environment temperature is greater than or equal to the environment temperature threshold value, the air conditioning equipment executes cooling control.
In the embodiment of the present disclosure, the temperature environment threshold may be set according to an actual working condition, which is not specifically limited in the present application. The air conditioning equipment executes cooling control, namely, the pump body is controlled to be started, and the pump body is used for driving a heat transfer medium in a heat dissipation pipeline to flow, so that heat dissipation circulation is accelerated.
And S203, the air conditioning equipment determines the target speed of the pump body according to the judgment factor of the cooling control, and controls the pump body to operate at the determined target speed of the pump body.
In the embodiment of the present disclosure, the determining factor of the cooling control includes the temperature of the outdoor unit radiator and/or the temperature of the air conditioner exhaust. Under the condition that the temperature of an outdoor unit radiator and/or the temperature of air conditioner exhaust is/are used as a cooling control judgment factor, different pump body target speeds are determined according to different judgment factors. Therefore, the effect of ensuring the normal refrigeration performance of the air conditioner is achieved while the air conditioner external unit is cooled by controlling the running speed of the pump body.
By adopting the method for cooling the outdoor unit of the air conditioner, which is provided by the embodiment of the disclosure, the outdoor unit cooling control is executed by acquiring the outdoor environment temperature and judging the relation between the outdoor environment temperature and the environment temperature threshold value, and the target speed of the pump body is determined by the judgment factor of the cooling control, so that the purpose of cooling the outdoor unit of the air conditioner is achieved. In the process, the target speed of the pump body is determined through the judgment factor of the cooling control, so that the heat dissipation circulation is accelerated by changing the running speed of the pump body, the heat exchange efficiency is accelerated, and the normal refrigeration performance of the air conditioner can be ensured while the air conditioner external unit is cooled.
Referring to fig. 3, an embodiment of the present disclosure provides a method for cooling an outdoor unit of an air conditioner, including:
s301, the air conditioning equipment acquires the outdoor ambient temperature.
And S302, the air conditioning equipment acquires the temperature of the outdoor unit radiator under the condition that the outdoor environment temperature is greater than or equal to the environment temperature threshold value.
In the embodiment of the present disclosure, the temperature of the outdoor unit radiator may be obtained through detection of the temperature sensor, and the detection of the temperature information of the outdoor unit radiator through the temperature sensor is a mature technology, which is not described herein again. The installation position of the temperature sensor is not particularly limited in this application, as long as the temperature sensor can be used to obtain the temperature of the outdoor unit radiator.
And S303, controlling the pump body to start by the air conditioning equipment under the condition that the temperature of the outdoor unit radiator reaches the preset pump body opening temperature.
In the embodiment of the present disclosure, the preset pump body opening temperature may be 50 ℃, 70 ℃, or other temperature values, and the preset pump body opening temperature may be set according to an actual working condition, which is not specifically limited in this application.
And S304, the air conditioning equipment determines the target speed of the pump body according to the judgment factor of the cooling control, and controls the pump body to operate at the determined target speed of the pump body.
Optionally, determining a target speed of the pump body according to a judgment factor of the cooling control, including: and determining the target speed of the first pump body according to the corresponding relation between the temperature of the outdoor unit radiator and the target speed of the first pump body.
In the embodiment of the present disclosure, an example table of the temperature of the outdoor unit radiator and the target speed of the first pump body is provided as table 1 below, and the example table of the correspondence relationship is used for indicating the temperature of the outdoor unit radiator and the target speed of the first pump body.
TABLE 1
Figure BDA0003600723100000061
Figure BDA0003600723100000071
It should be understood that the temperature of the outdoor unit radiator obtained through detection can be used for indicating the temperature of the outdoor unit radiator of the air conditioner, and the heat dissipation condition of the outdoor unit electronic control module of the air conditioner can be directly reflected. And determining the target speed of the first pump body according to the corresponding relation between the temperature of the radiator of the outdoor unit of the air conditioner and the target speed of the first pump body. It should be understood that the temperature of the first outdoor unit radiator is lower than that of the second outdoor unit radiator, and the temperature values corresponding to the temperature of the first outdoor unit radiator to the temperature of the nth outdoor unit radiator are gradually increased. The first target speed is lower than the second target speed, and the temperature values corresponding to the first target speed to the Nth target speed are gradually increased. The temperature of the outdoor unit radiator is in positive correlation with the target speed of the first pump body.
Therefore, the target speed of the first pump body is determined by the temperature of the outdoor unit radiator, so that the heat dissipation circulation is accelerated by changing the running speed of the pump body, the heat exchange efficiency is accelerated, and the normal refrigeration performance of the air conditioner can be ensured while the outdoor unit of the air conditioner is cooled.
Referring to fig. 4, an embodiment of the present disclosure provides a method for cooling an outdoor unit of an air conditioner, including:
s401, the air conditioning equipment acquires the outdoor ambient temperature.
S402, the air conditioning equipment acquires the air conditioning exhaust temperature when the outdoor environment temperature is greater than or equal to the environment temperature threshold value.
In the embodiment of the present disclosure, the air conditioner exhaust temperature is obtained by detecting through the temperature sensor, and the detection of the air conditioner exhaust temperature information through the temperature sensor belongs to a mature technology, which is not described herein again. The location of the temperature sensor is not particularly limited in this application as long as it can be used to obtain the temperature of the air conditioner exhaust gas.
And S403, controlling the pump body to start by the air conditioning equipment under the condition that the exhaust temperature reaches the preset pump body opening temperature.
In the embodiment of the present disclosure, the preset pump body opening temperature may be 70 ℃, 90 ℃, or other temperature values, and the preset pump body opening temperature may be set according to actual working conditions, which is not specifically limited in this application.
And S404, the air conditioning equipment determines the target speed of the pump body according to the judgment factor of the cooling control, and controls the pump body to operate at the determined target speed of the pump body.
Optionally, determining a target speed of the pump body according to a judgment factor of the cooling control, including: and determining the target speed of the second pump body according to the corresponding relation between the exhaust temperature and the target speed of the second pump body.
In the embodiment of the present disclosure, the following table 2 provides an example table of the correspondence relationship between the exhaust temperature and the second pump body target speed, which is used to indicate the correspondence relationship between the exhaust temperature and the second pump body target speed.
TABLE 2
Exhaust temperature Second Pump target speed
First exhaust temperature First target speed
Second exhaust temperature Second target speed
… …
Nth exhaust gas temperature Nth target speed
It should be understood that the detected exhaust temperature can be used for indicating the working operation condition of the air conditioner compressor, and the heat dissipation condition of the electric control module of the air conditioner external unit can be indirectly reflected. And determining the target speed of the second pump body according to the corresponding relation between the exhaust temperature and the target speed of the second pump body. It should be understood that the first exhaust temperature is lower than the second exhaust temperature, and the temperature values corresponding to the first exhaust temperature to the nth exhaust temperature are successively higher. The first target speed is lower than the second target speed, and the temperature values corresponding to the first target speed to the Nth target speed are gradually increased. The exhaust temperature is in positive correlation with the second pump body target speed.
Therefore, the target speed of the second pump body is determined through the exhaust temperature, so that the heat dissipation circulation is accelerated by changing the running speed of the pump body, the heat exchange efficiency is accelerated, and the normal refrigeration performance of the air conditioner can be ensured while the temperature of the air conditioner outdoor unit is reduced.
Optionally, after determining a target pump speed according to a judgment factor of the cooling control and controlling the operation of the pump body at the determined target pump speed, the method for cooling the outdoor unit of the air conditioner may include:
acquiring the temperature of an outdoor unit radiator and the exhaust temperature of an air conditioner; and determining the target speed of the third pump body according to the corresponding relation between the temperature of the outdoor unit radiator, the exhaust temperature of the air conditioner and the target speed of the third pump body, so that the pump body operates according to the target speed of the third pump body.
In the embodiment of the disclosure, the temperature of the outdoor unit radiator and the temperature of the air conditioner exhaust are used as the cooling control judgment factor, and the target speed of the third pump body is determined according to the corresponding relationship between the temperature of the outdoor unit radiator, the temperature of the air conditioner exhaust and the target speed of the third pump body, so that the secondary adjustment of the speed of the pump body is completed. The temperature of the radiator of the outdoor unit and the exhaust temperature of the air conditioner are jointly selected as cooling control judgment factors, and the overall working operation condition of the outdoor unit of the air conditioner can be effectively reflected, so that the heat dissipation condition of the electric control module of the outdoor unit of the air conditioner after the previous adjustment is determined, and the speed of the pump body is adjusted for the second time. The cooling of the air conditioner outdoor unit is more accurate, and the normal refrigerating performance of the air conditioner is further ensured.
Referring to fig. 5, an outdoor unit of an air conditioner according to an embodiment of the present disclosure includes a casing, a return air pipe 10, a radiator, and a heat dissipation pipe 30; the air return pipeline 10 is used for being connected with a compressor of an air conditioner outdoor unit, and a low-temperature refrigerant flows in the air return pipeline 10; the radiator is arranged in the shell and used for radiating and cooling an electric control module of the air conditioner outdoor unit; the heat dissipation pipeline 30 comprises an evaporation pipeline section 302, a condensation pipeline section 303, a first pipeline section 305 and a second pipeline section 306, and the heat dissipation pipeline 30 is in heat conduction connection with the air return pipeline 10 and the radiator to form a heat dissipation cycle. The condensation pipe section 303 includes a plurality of capillary pipe sections 304 and electronic expansion valves, which are arranged in parallel, the capillary pipe sections 304 are located in the air return pipe 10, and the refrigerant in the air return pipe 10 flows through the outer side walls of the capillary pipe sections 304 and exchanges heat with the heat transfer medium in the capillary pipe sections 304, wherein the electronic expansion valves are not shown in the figure and are used for controlling the flow rate of the heat transfer medium in the capillary pipe sections 304.
Referring to fig. 6, a method for cooling an outdoor unit of an air conditioner according to an embodiment of the present disclosure includes:
and S601, the air conditioning equipment acquires the outdoor ambient temperature.
And S602, the air conditioning equipment executes cooling control under the condition that the outdoor environment temperature is greater than or equal to the environment temperature threshold value.
And S603, the air conditioning equipment determines the target speed of the pump body according to the judgment factor of the cooling control, and controls the pump body to operate at the determined target speed of the pump body.
And S604, the air conditioning equipment acquires the temperature of the outdoor unit radiator.
And S605, when the temperature of the outdoor unit radiator is greater than or equal to the radiating temperature threshold value, the air conditioning equipment adjusts the opening of the electronic expansion valve.
Optionally, adjusting the electronic expansion valve opening comprises:
determining a target opening according to the corresponding relation between the temperature of the outdoor unit radiator and the opening of the electronic expansion valve;
and adjusting the opening of the electronic expansion valve according to the determined target opening.
In the embodiment of the present disclosure, the following table 3 provides an example table of the correspondence between the outdoor unit radiator temperature and the opening degree of the electronic expansion valve, and the example table of the correspondence is used to indicate the correspondence between the outdoor unit radiator temperature and the opening degree of the electronic expansion valve.
TABLE 3
Temperature of outdoor machine radiator Target opening degree
Temperature of radiator of first outdoor unit First target opening degree
Temperature of radiator of second outdoor unit Second target opening degree
… …
Temperature of radiator of Nth outdoor unit Nth target opening degree
It should be understood that the temperature of the outdoor unit radiator obtained through detection can be used for indicating the temperature of the outdoor unit radiator of the air conditioner, and the heat dissipation condition of the outdoor unit electronic control module of the air conditioner can be directly reflected. And determining the opening degree of the electronic expansion valve according to the corresponding relation between the temperature of the radiator of the air conditioner outdoor unit and the target opening degree. It should be understood that the temperature of the first outdoor unit radiator is lower than that of the second outdoor unit radiator, and the temperature values from the temperature of the first outdoor unit radiator to the temperature of the nth outdoor unit radiator are gradually increased. The first target opening degree is smaller than the target opening degree, and the opening degrees corresponding to the first target opening degree to the Nth target opening degree are gradually increased. The temperature of the outdoor unit radiator is in positive correlation with the target opening.
In practical application, the flow of the heat transfer medium in the capillary tube section is controlled according to the determined target opening degree of the electronic expansion valve, and the opening degree of the electronic expansion valve is increased when the temperature of the outdoor unit radiator is increased, so that the contact area between the refrigerant in the air return pipeline and the condensation tube section is further enlarged, and the heat exchange efficiency between the refrigerant in the air return pipeline and the heat transfer medium in the condensation tube section is improved. The normal refrigeration performance of the air conditioner can be ensured while the air conditioner external unit is cooled.
As shown in fig. 7, an embodiment of the present disclosure provides an apparatus for cooling an outdoor unit of an air conditioner, including a processor (processor)700 and a memory (memory) 701. Optionally, the apparatus may also include a Communication Interface 702 and a bus 703. The processor 700, the communication interface 702, and the memory 701 may communicate with each other via a bus 703. Communication interface 702 may be used for information transfer. The processor 700 may call the logic instructions in the memory 701 to execute the method for cooling the outdoor unit of the air conditioner according to the above embodiment.
In addition, the logic instructions in the memory 701 may be implemented in the form of software functional units and may be stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 701 is a computer-readable storage medium and can be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 700 executes the functional application and data processing by executing the program instructions/modules stored in the memory 701, that is, implements the method for cooling the outdoor unit of the air conditioner in the above embodiment.
The memory 701 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, memory 701 may include high speed random access memory, and may also include non-volatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the device for cooling an outdoor unit of the air conditioner.
The embodiment of the present disclosure provides a computer-readable storage medium storing computer-executable instructions configured to perform the method for cooling an outdoor unit of an air conditioner.
The embodiment of the present disclosure provides a computer program product including a computer program stored on a computer-readable storage medium, the computer program including program instructions, which, when executed by a computer, cause the computer to perform the above method for cooling an outdoor unit of an air conditioner.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1. A method for cooling an air conditioner outdoor unit, wherein the air conditioner outdoor unit comprises a heat dissipation pipeline, the heat dissipation pipeline comprises a pump body, and the method comprises the following steps:
acquiring the outdoor environment temperature;
performing cooling control when the outdoor ambient temperature is greater than or equal to the ambient temperature threshold;
and determining the target speed of the pump body according to the judgment factor of the cooling control, and controlling the pump body to operate at the determined target speed of the pump body.
2. The method of claim 1, wherein the performing cooling control comprises:
acquiring the temperature of a radiator of an outdoor unit;
and controlling the pump body to start under the condition that the temperature of the outdoor unit radiator reaches the preset pump body opening temperature.
3. The method of claim 2, wherein determining a target pump body speed based on cooling control criteria comprises: and determining the target speed of the first pump body according to the corresponding relation between the temperature of the outdoor unit radiator and the target speed of the first pump body.
4. The method of claim 1, wherein the performing cooling control comprises:
acquiring the exhaust temperature of an air conditioner;
and controlling the pump body to start under the condition that the exhaust temperature reaches the preset pump body opening temperature.
5. The method of claim 4, wherein determining a target pump body speed based on cooling control criteria comprises: and determining the target speed of the second pump body according to the corresponding relation between the exhaust temperature and the target speed of the second pump body.
6. The method according to any one of claims 1 to 5, wherein the heat dissipation pipeline further comprises a capillary section and an electronic expansion valve, and after determining a target pump body speed according to a judgment factor of the cooling control and controlling the operation of the pump body at the determined target pump body speed, the method further comprises:
acquiring the temperature of a radiator of an outdoor unit;
and when the temperature of the outdoor unit radiator is greater than or equal to the radiating temperature threshold value, adjusting the opening of the electronic expansion valve.
7. The method of claim 6, wherein the adjusting the electronic expansion valve opening comprises:
determining a target opening according to the corresponding relation between the temperature of the outdoor unit radiator and the opening of the electronic expansion valve;
and adjusting the opening of the electronic expansion valve according to the determined target opening.
8. An apparatus for cooling an outdoor unit of an air conditioner, comprising a processor and a memory storing program instructions, wherein the processor is configured to execute the method for cooling the outdoor unit of the air conditioner according to any one of claims 1 to 7 when the program instructions are executed.
9. An air conditioner characterized by comprising the device for cooling an outdoor unit of an air conditioner according to claim 8.
10. A storage medium storing program instructions, wherein the program instructions, when executed, perform the method for cooling an outdoor unit of an air conditioner according to any one of claims 1 to 7.
CN202210402285.6A 2022-04-18 2022-04-18 Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium Pending CN114909724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210402285.6A CN114909724A (en) 2022-04-18 2022-04-18 Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210402285.6A CN114909724A (en) 2022-04-18 2022-04-18 Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium

Publications (1)

Publication Number Publication Date
CN114909724A true CN114909724A (en) 2022-08-16

Family

ID=82764230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210402285.6A Pending CN114909724A (en) 2022-04-18 2022-04-18 Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium

Country Status (1)

Country Link
CN (1) CN114909724A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115451552A (en) * 2022-09-29 2022-12-09 中国联合网络通信集团有限公司 Air conditioner control method and device and storage medium thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115451552A (en) * 2022-09-29 2022-12-09 中国联合网络通信集团有限公司 Air conditioner control method and device and storage medium thereof

Similar Documents

Publication Publication Date Title
WO2021093310A1 (en) Freezing-prevention protection method and apparatus for air conditioner, and air conditioner
CN103256767A (en) Method for controlling evaporating temperature of water-side heat exchanger of air conditioner and air conditioner
CN114636225A (en) Method and device for air conditioner freezing protection, air conditioner and storage medium
CN114608128A (en) Method and device for controlling temperature of air conditioner chip, air conditioner and storage medium
CN114909724A (en) Method and device for cooling outdoor unit of air conditioner, air conditioner and storage medium
CN113137665A (en) Method and device for radiating frequency conversion module of air conditioner and air conditioner
CN112050377A (en) Control method and control device for defrosting of air conditioner and air conditioner
CN112146260A (en) Method and device for preventing condensation of air conditioner and air conditioner
CN209857294U (en) Refrigerating system and air conditioner with same
CN112050373A (en) Control method and control device for defrosting of air conditioner and air conditioner
CN114992803A (en) Control method and device for air supply and enthalpy increase of heat pump air conditioner and heat pump air conditioner
CN114646122B (en) Method and device for air conditioner temperature control, air conditioner and storage medium
CN113137733A (en) Method and device for preventing condensation of frequency conversion module of air conditioner and air conditioner
CN115183383B (en) Method and device for controlling air conditioning system, air conditioning system and storage medium
CN110736208A (en) Control method and control device for defrosting of air conditioner and air conditioner
CN114608129A (en) Method and device for controlling temperature of air conditioner chip, air conditioner and storage medium
CN114636224B (en) Air conditioning system, method and device for controlling air conditioning system, and storage medium
CN116242006A (en) Method, device and storage medium for adjusting expansion valve of air conditioner
CN115183383A (en) Method and device for controlling air conditioning system, air conditioning system and storage medium
CN111854206B (en) Refrigerator equipment, refrigerating system and control method of refrigerating system
CN116576564A (en) Method and device for controlling air conditioner, air conditioner and storage medium
CN117287787A (en) Method and device for controlling air conditioning system, air conditioning system and storage medium
CN116085981A (en) Method and device for controlling air conditioner, air conditioner and storage medium
CN118009472A (en) Method and device for defrosting air conditioner, air conditioner and computer readable storage medium
CN117366775A (en) Method and device for refrigerating air conditioner, air conditioner and storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination