CN113739260A - Air conditioning system, air conditioner and air conditioning system control method - Google Patents

Air conditioning system, air conditioner and air conditioning system control method Download PDF

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Publication number
CN113739260A
CN113739260A CN202110975034.2A CN202110975034A CN113739260A CN 113739260 A CN113739260 A CN 113739260A CN 202110975034 A CN202110975034 A CN 202110975034A CN 113739260 A CN113739260 A CN 113739260A
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CN
China
Prior art keywords
air
conditioning system
air conditioning
heat exchanger
flow
Prior art date
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Pending
Application number
CN202110975034.2A
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Chinese (zh)
Inventor
刘帅
赖桃辉
刘警生
黄玉优
余裔麟
栾坤鹏
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202110975034.2A priority Critical patent/CN113739260A/en
Publication of CN113739260A publication Critical patent/CN113739260A/en
Pending legal-status Critical Current

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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
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F13/02—Ducting arrangements
    • 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
    • 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
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers

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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)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

This application relates to air conditioner technical field on the whole, particularly, relates to an air conditioning system, air conditioner and air conditioning system control method, and this air conditioning system is installed to the air conditioner, and the operation of this air conditioning system of air conditioning system control method steerable, the air conditioning system of this application scheme include first wind channel, water conservancy diversion subassembly and first heat exchanger, and the water conservancy diversion subassembly sets up in the first wind channel, and will two at least runners are separated into in first wind channel, first heat exchanger set up in the air-out side of runner, every the runner corresponds at least one the pipeline of first heat exchanger, the water conservancy diversion subassembly is according to the superheat degree regulation of each pipeline and is corresponding the amount of wind of crossing of runner for each pipeline heat transfer degree is close, thereby solves the uneven problem of evaporimeter pipeline branch liquid, improves the heat transfer ability and the efficiency of evaporimeter.

Description

Air conditioning system, air conditioner and air conditioning system control method
Technical Field
The present disclosure relates generally to the field of air conditioning technologies, and in particular, to an air conditioning system, an air conditioner, and a control method of the air conditioning system.
Background
With the development of society, the demand of integrated cabinet air conditioner is huge.
The superheat degree refers to the difference between the superheat temperature and the saturation temperature of the refrigerant under the same evaporation pressure in the refrigeration cycle, and the increase of the superheat degree can cause that only part of pipelines of the evaporator are filled with refrigerant droplets, which is also called as the lack of the refrigerant in the evaporator, so that the problems of uneven liquid separation and poor heat exchange effect commonly exist in the integrated cabinet.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to solve the technical problem of uneven liquid distribution of the existing evaporator, the main purpose of the application is to provide an air conditioning system, an air conditioner and an air conditioning system control method.
An air conditioning system comprising:
a first air duct is arranged in the first air duct,
the flow guide assembly is arranged in the first air channel and divides the first air channel into at least two flow channels; and
the first heat exchanger is arranged on the air outlet side of the flow channel;
each flow passage corresponds to at least one pipeline of the first heat exchanger, and the flow guide assembly adjusts the air passing amount of the corresponding flow passage according to the superheat degree of each pipeline.
Further, in some embodiments of the present application, the diversion assembly includes a diversion member, and a driving member connected to the diversion member;
the first air channel is divided into at least two branch air channels through the flow dividing piece, the branch air channels are divided into at least two runners through the flow guiding piece, and the driving piece is used for controlling the movement of the flow guiding piece so as to adjust the air passing amount corresponding to the runners.
Further, in some embodiments of the present application, the first air duct is provided with a first air opening, the first heat exchanger is installed at the first air opening, and the flow guide assembly is disposed near the first air opening.
Further, in some embodiments of the present application, the first air duct is further provided with a second air opening, and a cross-flow fan is disposed in the first air duct and close to the second air opening, and accelerates the air flow toward the first air opening.
Further, in some embodiments of the present application, the first air duct is provided with a bending portion, and the cross-flow fan is located upstream of the bending portion and is disposed near the bending portion.
Further, in some embodiments of the present application, the air conditioning system includes a housing, the first air duct and the first heat exchanger are disposed in the housing, and the housing is provided with an indoor air inlet and an indoor air outlet which are communicated with the first air duct.
Further, in some embodiments of the present application, the first heat exchanger is an evaporator, the number of the pipelines of the first heat exchanger is the same as the number of the flow passages, and one pipeline corresponds to each flow passage.
Further, in some embodiments of the present application, the air conditioning system further includes a second air duct for forming outdoor airflow circulation, an outer fan and a second heat exchanger, the outer fan is disposed on an air inlet side of the second air duct, and the second heat exchanger is disposed on an air outlet side of the second air duct.
An air conditioner is provided with the air conditioning system.
An air conditioning system control method includes:
obtaining the superheat degree of each pipeline of the evaporator;
judging whether the superheat degree of each pipeline is larger than a first preset threshold value or not;
if the air intake quantity is larger than the first preset threshold value, the air intake quantity of the corresponding flow channel is increased.
Further, in some embodiments of the present application, if the degree of superheat of the pipeline is less than a second preset threshold, the degree of superheat of each pipeline is continuously obtained;
the difference value of subtracting the second preset threshold value from the first preset threshold value is greater than or equal to 0 and less than or equal to 1.
According to the technical scheme, the air conditioning system has the advantages and positive effects that:
the air conditioning system of this application scheme includes first wind channel, guiding subassembly and first heat exchanger, and the guiding subassembly sets up in the first wind channel, and will two at least runners are separated into in the first wind channel, first heat exchanger set up in the air-out side of runner, every the runner corresponds at least one the pipeline of first heat exchanger, the guiding subassembly is adjusted the air capacity of crossing that corresponds the runner according to the superheat degree of each pipeline for each pipeline heat transfer degree is close, thereby solves the uneven problem of liquid distribution, improves the heat transfer ability and the efficiency of evaporimeter.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic diagram illustrating a configuration of an air conditioning system according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a structure of one side of an air conditioner according to an exemplary embodiment.
Fig. 3 is a schematic view illustrating another side of an air conditioner according to an exemplary embodiment.
Fig. 4 is a flowchart illustrating an air conditioning system control method according to an exemplary embodiment.
Wherein the reference numerals are as follows:
100-a first air duct; 200-a first heat exchanger; 300-crossflow blower; 400-a housing; 500-a second air duct; 600-an outer fan; 700-a second heat exchanger; 800-a separator;
110-a bending part; 120-a splitter; 130-a flow guide; 140-branch air ducts; 150-a flow channel;
210-a temperature sensing bulb;
410-indoor air outlet; 420-indoor air inlet;
510-outdoor air outlet; 520-outdoor air inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
The superheat degree refers to the difference between the superheat temperature and the saturation temperature of the refrigerant under the same evaporation pressure in the refrigeration cycle, and the increase of the superheat degree can cause that only part of pipelines of the evaporator are filled with refrigerant droplets, which is also called as the lack of the refrigerant in the evaporator, so that the problems of uneven liquid separation and poor heat exchange effect commonly exist in the integrated cabinet. In order to solve the technical problem of uneven liquid distribution of the existing evaporator, the main object of the present application is to provide an air conditioning system, an air conditioner and a control method of the air conditioning system, wherein the air conditioner is provided with the air conditioning system, and the control method of the air conditioning system can control the operation of the air conditioning system, the air conditioning system of the present application scheme comprises a first air duct 100, a flow guide assembly and a first heat exchanger 200, the flow guide assembly is arranged in the first air duct 100, the first air duct 100 is divided into at least two flow passages 150, the first heat exchanger 200 is arranged on the air outlet side of the flow passages 150, each flow passage 150 corresponds to a pipeline of at least one first heat exchanger 200, the guide assembly adjusts the air passing amount of the corresponding flow channel 150 according to the superheat degree of each pipeline, so that the heat exchange degree of each pipeline is close to that of each pipeline, the problem of uneven liquid separation is solved, and the heat exchange capacity and the energy efficiency of the evaporator are improved.
Fig. 1 is a schematic diagram illustrating a configuration of an air conditioning system according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a structure of one side of an air conditioner according to an exemplary embodiment.
Fig. 3 is a schematic view illustrating another side of an air conditioner according to an exemplary embodiment.
Referring to fig. 1 to 3, embodiments of the present application provide an air conditioning system, an air conditioner having the air conditioning system installed therein, and an air conditioning system control method that may control an operation of the air conditioning system.
The air conditioning system includes a first air duct 100, a second air duct 500, a flow guiding assembly and a first heat exchanger 200, the first air duct 100 has a first air opening and a second air opening, in this embodiment, the first air opening is an air outlet, the second air opening is an air inlet, the flow guiding assembly is disposed in the first air duct 100 and close to the first air opening, the flow guiding assembly divides the first air duct 100 into at least two flow passages 150, the extending direction of the flow passages 150 is the same as the extending direction of the first air duct 100, the first heat exchanger 200 is mounted on the air outlet side of the flow passages 150, under the understanding of those skilled in the art, the first heat exchanger 200 can be mounted in the first air duct 100 or outside the first air duct 100, when the first heat exchanger 200 is mounted outside the first air duct 100, the first heat exchanger 200 blocks the first air opening, the air duct wall of the first air duct 100 is hermetically connected with the first heat exchanger 200, so that the air flow in the first air duct 100 flows toward the first heat exchanger 200, avoid airflow to flow to other places, improve first heat exchanger 200's heat transfer effect, guarantee air conditioning system's air-out efficiency.
Referring to fig. 1, according to the functions of each portion of the first air duct 100, the first air duct 100 may be divided into a circulation section and a wind control section, the circulation section is mainly used for air flow circulation, the wind control section is used for controlling air flow, and a part between the circulation section and the first air port is located as a flow guide section, and a person skilled in the art may set the ratio of the flow guide section to the circulation section in the first air duct 100 according to the actual structure and the expected air outlet effect of the first air duct 100. The diversion assembly is installed at the diversion section of the first air duct 100, the diversion assembly includes a diversion member 130, a diversion member 120 and a driving member (not shown) connected with the diversion member 130, the diversion member 120 is fixedly arranged, the diversion member 120 can be fixedly connected with the air duct wall of the first air duct 100, one, two or more than two air flow members can be arranged, the diversion member 120 divides the first air duct 100 into at least two branch air ducts 140, specifically, one diversion member 130 can divide two branch air ducts 140 into the air control section of the first air duct 100, two diversion members 130 can divide the air control section of the first air duct 100 into three branch air ducts 140, and so on, five diversion members 130 can divide the air control section of the first air duct 100 into six branch air ducts 140, those skilled in the art can divide the air control section according to the number of pipelines of the first heat exchanger 200, a diversion member 130 is arranged in each branch air duct 140, and a diversion member 130 divides the branch air duct 140 into at least two flow passages 150, one, two or more flow guiding elements 130 may be provided, one flow dividing element 120 may divide one air duct into two flow passages 150, two flow guiding elements 130 may divide three flow passages 150 in one branch air duct 140, and so on, when a plurality of branch air ducts 140 and a plurality of flow passages 150 exist in the first air duct 100, the widths between the branch air ducts 140 are the same, and the widths between the flow passages 150 are the same, so that the sizes of the air inlet side and the air outlet side of each flow passage 150 are the same in the state that the flow guiding elements are arranged in the middle. Those skilled in the art can set the number of the flow guide members 130 and the flow dividing members 120 according to the number of the pipes of the first heat exchanger 200, and finally, one pipe corresponds to each flow passage 150.
In this embodiment, the first heat exchanger 200 is an evaporator with four inlets and four outlets, one flow dividing member 120 is provided, one branch air duct 140 corresponds to two heat exchange pipelines, if the evaporator corresponds to an evaporator with six inlets and six outlets, two flow dividing members 120 may be provided to form three branch air ducts 140, each branch air duct 140 still corresponds to two heat exchange pipelines, one flow dividing member 120 is provided in each branch air duct 140, two flow passages 150 are divided from one branch air duct 140 through the flow guiding member 130, each flow passage 150 corresponds to one pipeline of the evaporator, the driving member is connected to the flow guiding member 130, the driving member drives the flow guiding member 130 to rotate, sizes of air inlets of the two flow passages 150 on two sides of the flow guiding member 130 are adjusted, and air volume distribution to the two flow passages 150 in the branch air duct 140 is achieved.
Referring to fig. 1, the flow divider 120 extends to a first air opening of the first air channel 150, the flow divider 120 may be connected to the first heat exchanger 200, two air channels 140 are respectively formed at two sides of the flow divider 120, a flow guide member 130 is disposed in each air channel 140, the flow guide member 130 is spaced from the first air opening, and two air channels 150 in the same air channel 140 are communicated near the first air opening.
Between two runners 150 in the same air duct 140, the increase of the air volume of one runner 150 inevitably leads to the reduction of the air volume of the other runner 150, in order to ensure the ventilation volume and the heat exchange efficiency of each pipeline of the evaporator, the two runners 150 in the same air duct 140 are communicated at the position close to the first air port, and the problem that the air volume of the other runner 150 is suddenly reduced due to the rotation of the guide plate in the two runners 150 is avoided.
In this embodiment, the first heat exchanger 200 is installed at the first air inlet, a certain distance exists between the air guiding element 130 and the first air inlet, that is, a certain distance exists between the air guiding element 130 and the first heat exchanger 200, an air passing opening is formed between the air guiding element 130 and the first heat exchanger 200 in the branch air channel 150, the lengths of the branch air channels 140 may be the same or slightly different in the extending direction of the first air channel 100, the lengths of the flow channels 150 are the same, the height direction and the width direction are also included in the extending direction of the vertical flow channel 150, the height direction is defined as the height direction with reference to the direction of fig. 1, the heights between the branch air channels 140 and the flow channels 150 are the same, the width between the branch air channels 140 is the same, the air guiding element 130 is installed at the middle part of the branch air channel 140, the width of each flow channel 150 is the same, the air passing opening only has the length and the height without considering the thickness of the air guiding element 130, and preferably is set, the length of the air passing opening is equal to the width of the flow channel 150, too long air passing openings weaken the adjusting effect of the air guiding member 130, too short air passing openings result in poor air flow communication effect between two adjacent air channels 150 in the same air duct branch 140, which easily causes too large air volume difference between two adjacent air channels 150 in the same air duct branch blowing to the first heat exchanger 200, and affects the heat exchange state of other pipelines of the first heat exchanger 200.
In this application embodiment, the driving piece can be the motor, and the relative both sides of one end that guiding element 130 is close to first wind gap set up the pivot, and the one end swing of first wind gap is kept away from to guiding element 130 to the realization is to the regulation of runner 150 air inlet side size.
Furthermore, this embodiment can also be designed like this, the air conditioning system is provided with a second driving element, the shunt element 120 is arranged in a sliding manner, the second driving element is connected with the shunt element 120, the second driving element drives the shunt element 120 to move in the width direction of the first air duct 100, the branch flow channel 150 can be adjusted in the movement of the shunt element 120 to adjust the sizes of the air inlet side and the air outlet side, and the width of the flow channel 150 on both sides of the shunt element 120, the condition that the airflow in the first air duct 100 flows unevenly exists, the shunt element 120 can be arranged in a movable manner, and the air volume between two adjacent branch air ducts 140 can be adjusted according to the superheat degree.
As will be understood by those skilled in the art, an air volume sensor may be installed in each flow channel 150 for detecting the air volume of each flow channel 150 to further grasp
This application scheme, first heat exchanger 200 is indoor evaporimeter, each pipeline of evaporimeter corresponds has an independent runner 150, superheat degree according to the pipeline, adjust the intake that corresponds runner 150, thereby make superheat degree between the pipeline close, solve the uneven problem of branch liquid between each pipeline, in the same gas circuit, set up the wind gap in one side towards first wind gap between each runner 150, the wind gap is used for guaranteeing the steady step regulation of the amount of wind of each runner 150, under the condition of reposition of redundant personnel piece 120 portable setting, can be according to the superheat degree state, further adjust the air distribution in two adjacent branch wind channels 140.
The cross-flow fan 300 is arranged in the first air duct 100 and close to the second air port, and compared with the existing centrifugal fan, the cross-flow fan 300 can increase the air inlet amount, reduce the operation noise, remove the flow guide ring, simplify the installation process, reduce the cost and reduce the problem of fan and flow guide ring interference caused by installation errors.
As shown in fig. 1, the first air duct 100 is provided with a bending portion 110, the cross-flow fan 300 is located at the upstream of the bending portion 110 and close to the bending portion 110, and the air outlet direction of the cross-flow fan 300 is close to the extending direction of the first air duct 100, so as to reduce the airflow resistance and ensure the airflow speed.
Referring to fig. 2-3, in the embodiment of the present application, the air conditioning system further includes a housing 400, the first air duct 100 and the first heat exchanger 200 are disposed in the housing 400, the housing 400 is provided with an indoor air outlet 410 communicated with the first air outlet and an indoor air inlet 420 communicated with the second air outlet, and the indoor air inlet 420 and the indoor air outlet 410 of the housing 400 may be disposed on the same side or on opposite or adjacent sides.
The air conditioning system further includes a second air duct 500 for forming circulation of outdoor air, an external fan 600, and a second heat exchanger 700, and when the first heat exchanger 200 is an evaporator, the second heat exchanger 700 is a condenser, the second air duct 500, the outer fan 600 and the second heat exchanger 700 are respectively installed in the casing 400, in fig. 1, the dashed line indicates a second air duct 500, the housing 400 is provided with an outdoor air outlet 510 and an outdoor air inlet 520, the outdoor air inlet 520 and the outdoor air outlet 510 are located on the same side of the housing 400, the external air blower 600 is located on the air inlet side of the second air duct 500, the second heat exchanger 700 is arranged on the air outlet side of the second air duct 500, the external air blower 600 is installed at the outdoor air inlet 520, the air inlet side of the second air duct is connected to the air outlet side of the external air blower 600, the second heat exchanger 700 is installed at the outdoor air outlet 510, the air outlet of the second air duct 500 faces the second heat exchanger 700, a partition 800 is arranged in the housing 400, and the partition 800 separates the first air duct from the second air duct.
The embodiment of the application still provides an air conditioner, above-mentioned air conditioning system is installed to the air conditioner, each pipeline of evaporimeter corresponds respectively has an independent runner 150, water conservancy diversion piece 130 rotates the air current of crossing of adjusting runner 150, when the superheat degree of a certain pipeline of heat exchanger is greater than predetermined superheat degree, control water conservancy diversion piece 130 rotates, the air intake that this pipeline of increase corresponds runner 150, thereby the increase corresponds the intake of runner 150, finally make the superheat degree of each pipeline close, solve the refrigerant and divide the inhomogeneous problem of liquid, improve the air conditioner efficiency.
Referring to fig. 4, an embodiment of the present application further provides an air conditioning system control method, including:
s01: obtaining the superheat degree of each pipeline of the evaporator;
s02: judging whether the superheat degree of each pipeline is larger than a first preset threshold value or not;
and S03, if the superheat degree of a certain pipeline of the heat exchanger is larger than a first preset threshold value, increasing the air volume of the corresponding flow channel 150.
Specifically, the temperature of the inlet and outlet of each flow path is detected by the thermal bulb 210, and the superheat degree of each flow path is calculated to be delta T from the preset superheat degreeIs provided withAnd (6) carrying out comparison.
Positioning one of the evaporator pipes1By a pipeline1For example, a pipeline1The corresponding degree of superheat is defined as TSuperheating 1If T is 20s during T time, Δ T is detectedIs provided with—TSuperheating 1A is more than or equal to A, A is more than or equal to 0 and less than or equal to 1, and the first preset threshold value is delta TIs provided withA, then regulating the line1A guide plate corresponding to the flow passage 150 for guiding the pipeline1The air quantity of the corresponding flow channel 150 is increased, and then the pipeline is increased1So that the difference approaches the a value.
If T, is 20s consecutively, Δ T is detectedIs provided with—TSuperheating 1A is less than A, 0 is less than or equal to A and less than or equal to 1, and a second preset threshold value is delta TIs provided with-A, then no adjustment is made,at this time, the pipeline1The superheat degree in the pipeline is met, and whether the superheat degree of other pipelines meets the requirement or not is obtained and judged.
To sum up, the embodiment of the present application provides an air conditioning system, an air conditioner and a control method of the air conditioning system, the air conditioner is installed with the air conditioning system, the control method of the air conditioning system can control the operation of the air conditioning system, the air conditioning system includes a first air duct 100, a flow guiding component and a first heat exchanger 200, the flow guiding component is disposed in the first air duct 100, the flow guiding component includes a flow guiding member 130 and a flow dividing member 120, the flow dividing member 120 separates a branch air duct 140 in the air duct, the flow guiding member 130 is disposed in the branch air duct 140, the flow guiding member 130 separates a flow channel 150 in the branch air duct 140, each pipeline of the evaporator corresponds to an independent flow channel 150, the superheat degree of each pipeline of the evaporator is detected, the flow guiding component adjusts the amount of excess air of the corresponding flow channel 150 according to the superheat degree of each pipeline, so that the heat exchange degree of each pipeline is close, therefore, the problem of uneven liquid distribution of the evaporator pipeline is solved, and the heat exchange capacity and the energy efficiency of the evaporator are improved.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (11)

1. An air conditioning system, comprising:
a first air duct (100) for guiding air,
the flow guide assembly is arranged in the first air duct (100) and divides the first air duct (100) into at least two flow passages (150); and
the first heat exchanger (200) is arranged on the air outlet side of the flow channel (150);
each flow channel (150) corresponds to at least one pipeline of the first heat exchanger (200), and the flow guide assembly adjusts the air passing amount of the corresponding flow channel (150) according to the superheat degree of each pipeline.
2. The air conditioning system of claim 1, wherein the deflector assembly comprises a diverter (120), a deflector (130), and a drive member coupled to the deflector (130);
first wind channel (100) pass through reposition of redundant personnel piece (120) are separated into two at least wind channels (140), wind channel (140) pass through water conservancy diversion piece (130) are separated into two at least runners (150), the driving piece is used for controlling water conservancy diversion piece (130) motion, in order to adjust corresponding the amount of wind of crossing of runner (150).
3. The air conditioning system of claim 1, wherein the first duct (100) is provided with a first air opening, the first heat exchanger (200) is installed at the first air opening, and the flow guide assembly is disposed adjacent to the first air opening.
4. The air conditioning system of claim 3, wherein said first air duct (100) further comprises a second air opening, and wherein a cross-flow fan (300) is disposed within said first air duct (100) adjacent said second air opening, said cross-flow fan (300) accelerating air flow toward said first air opening.
5. Air conditioning system according to claim 4, wherein the first duct (100) is provided with a bend (110), the crossflow blower (300) being located upstream of the bend (110) and being located close to the bend (110).
6. The air conditioning system of claim 1, wherein the air conditioning system comprises a housing (400), the first air duct (100) and the first heat exchanger (200) are disposed in the housing (400), and the housing (400) is provided with an indoor air inlet (420) and an indoor air outlet (410) which are communicated with the first air duct (100).
7. The air conditioning system of claim 1, wherein said first heat exchanger (200) is an evaporator, the number of tubes of said first heat exchanger (200) is the same as the number of said flow passages (150), and there is one tube for each of said flow passages (150).
8. The air conditioning system of claim 1, further comprising a second air duct (500) for circulating outdoor air, an external fan (600) and a second heat exchanger (700), wherein the external fan (600) is disposed on an air inlet side of the second air duct (500), and the second heat exchanger (700) is disposed on an air outlet side of the second air duct (500).
9. An air conditioner characterized in that the air conditioning system according to any one of claims 1 to 8 is installed.
10. An air conditioning system control method, comprising:
obtaining the superheat degree of each pipeline of the evaporator;
judging whether the superheat degree of each pipeline is larger than a first preset threshold value or not;
if the air intake quantity is larger than the first preset threshold value, the air intake quantity of the corresponding flow channel (150) is increased.
11. The air conditioning system control method as claimed in claim 10, wherein if the degree of superheat of the pipeline is less than a second preset threshold value, the degree of superheat of each pipeline is continuously obtained;
the difference value of subtracting the second preset threshold value from the first preset threshold value is greater than or equal to 0 and less than or equal to 1.
CN202110975034.2A 2021-08-24 2021-08-24 Air conditioning system, air conditioner and air conditioning system control method Pending CN113739260A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234294A (en) * 2021-12-15 2022-03-25 珠海格力电器股份有限公司 Cabinet air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234294A (en) * 2021-12-15 2022-03-25 珠海格力电器股份有限公司 Cabinet air conditioner

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