CN114076349A - Room air conditioner - Google Patents

Room air conditioner Download PDF

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Publication number
CN114076349A
CN114076349A CN202010844976.2A CN202010844976A CN114076349A CN 114076349 A CN114076349 A CN 114076349A CN 202010844976 A CN202010844976 A CN 202010844976A CN 114076349 A CN114076349 A CN 114076349A
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CN
China
Prior art keywords
heat exchange
air
area
unit
refrigerant
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Pending
Application number
CN202010844976.2A
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Chinese (zh)
Inventor
陈小平
马亚林
李健鹏
韩礼斌
陈煜�
蒋君之
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Foshan Internet Technology Co ltd
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Foshan Internet Technology Co ltd
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Priority to CN202010844976.2A priority Critical patent/CN114076349A/en
Publication of CN114076349A publication Critical patent/CN114076349A/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
    • 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application discloses room air conditioner includes: the first indoor unit heat exchange unit is arranged in the first area and can change the air in the first area into first area heat exchange air through an entering first refrigerant, and the temperature and the humidity of the first area heat exchange air are both lower than those of the air in the first area; the second indoor unit heat exchange unit is arranged in the second area and can change the air in the second area into heat exchange air in the second area through an entering second refrigerant, and the temperature and the humidity of the heat exchange air in the second area are greater than or equal to those of the air in the second area; and the air outlet unit can mix the first area heat exchange air and the second area heat exchange air and lead the mixed air out of the air outlet. Through the mode, the comfort of air outlet can be improved, and technical support is provided for realizing a multi-dimensional and multi-temperature-field comfort air supply mode.

Description

Room air conditioner
Technical Field
The present application relates to the field of air conditioning technology, and more particularly, to a room air conditioner.
Background
With the increasing living standard, users put higher demands on the air conditioner. The air volume of the room air conditioner is large, and the requirement of large-area indoor refrigeration and heating can be met. Therefore, room air conditioners are often selected for locations with relatively large areas. Room air conditioners generally deliver air in a fixed direction and are uncomfortable if the person is facing the air conditioner. The existing room air conditioner can only realize single-mode refrigeration, dehumidification and air supply, and if air sent out from an air outlet faces a user, the user feels too cold and too dry, and the air supply comfort is insufficient.
Disclosure of Invention
Based on this, the application provides a room air conditioner, can increase the travelling comfort of air-out, provides technical support for the travelling comfort air supply mode that realizes multidimension degree, multiple temperature field.
In a first aspect, the present application provides a room air conditioner comprising:
the first indoor unit heat exchange unit is arranged in a first area, the first indoor unit heat exchange unit can change air in the first area into first area heat exchange air through an entering first refrigerant, and the temperature and the humidity of the first area heat exchange air are both smaller than those of the first area air;
the second indoor unit heat exchange unit is arranged in a second area and can change the air in the second area into heat exchange air in the second area through an entering second refrigerant, and the temperature and the humidity of the heat exchange air in the second area are greater than or equal to those of the air in the second area;
and the air outlet unit can mix the first area heat exchange air and the second area heat exchange air and lead the mixed air out of the air outlet.
An embodiment of the present application provides a room air conditioner, which includes: the first indoor unit heat exchange unit is arranged in a first area, the first indoor unit heat exchange unit can change air in the first area into first area heat exchange air through an entering first refrigerant, and the temperature and the humidity of the first area heat exchange air are both smaller than those of the first area air; the second indoor unit heat exchange unit is arranged in a second area and can change the air in the second area into heat exchange air in the second area through an entering second refrigerant, and the temperature and the humidity of the heat exchange air in the second area are greater than or equal to those of the air in the second area; and the air outlet unit can mix the first area heat exchange air and the second area heat exchange air and lead the mixed air out of the air outlet. Because the temperature and the humidity of the heat exchange air of the first area are both less than the temperature and the humidity of the air of the first area, the air is the air after the refrigeration and dehumidification by the heat exchange unit of the first indoor unit, the temperature and the humidity of the heat exchange air of the second area are more than or equal to the temperature and the humidity of the air of the second area, the air is the hot air after the heat release by the heat exchange unit of the second indoor unit, the temperature and the humidity of the air of the first area and the air of the second area are basically the same or the same before the heat exchange, and the air of the air outlet is the air after the refrigeration and dehumidification and the air after the hot air are mixed And (3) a comfortable air supply mode in a multi-temperature field.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of a room air conditioner of the present application;
FIG. 2 is a schematic structural diagram of another embodiment of a room air conditioner of the present application;
FIG. 3 is a schematic structural diagram of a further embodiment of the room air conditioner of the present application;
FIG. 4 is a schematic view of an embodiment of a throttle valve in the room air conditioner of the present application;
FIG. 5 is a schematic view of the room air conditioner of FIG. 3 showing the flow direction and state of the refrigerant in a comfort mode;
FIG. 6 is a schematic view of the refrigerant flow direction and the refrigerant state in the heating mode of the room air conditioner of FIG. 3;
fig. 7 is a schematic view of the flow direction and state of the refrigerant in the cooling mode of the room air conditioner of fig. 3.
Description of the main elements and symbols:
1. a first indoor unit heat exchange unit; 2. a second indoor unit heat exchange unit; 3. an air outlet unit; 4. a temperature and pressure reduction unit; 41. a valve with a throttling effect; 411. a throttling channel; 412. a non-throttling passage; 413. a valve core; 414. an electromagnetic control section; 5. a first valve; 6. a second valve.
Detailed Description
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, not all, of the embodiments of the present application. 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.
Room air conditioners generally deliver air in a fixed direction and are uncomfortable if the person is facing the air conditioner. The existing room air conditioner can only realize single-mode refrigeration, dehumidification and air supply, and the air supply comfort is not enough.
An embodiment of the present application provides a room air conditioner, which includes: the first indoor unit heat exchange unit is arranged in a first area, the first indoor unit heat exchange unit can change air in the first area into first area heat exchange air through an entering first refrigerant, and the temperature and the humidity of the first area heat exchange air are both smaller than those of the first area air; the second indoor unit heat exchange unit is arranged in a second area and can change the air in the second area into heat exchange air in the second area through an entering second refrigerant, and the temperature and the humidity of the heat exchange air in the second area are greater than or equal to those of the air in the second area; and the air outlet unit can mix the first area heat exchange air and the second area heat exchange air and lead the mixed air out of the air outlet. Because the temperature and the humidity of the heat exchange air of the first area are both less than the temperature and the humidity of the air of the first area, the air is the air after the refrigeration and dehumidification by the heat exchange unit of the first indoor unit, the temperature and the humidity of the heat exchange air of the second area are more than or equal to the temperature and the humidity of the air of the second area, the air is the hot air after the heat release by the heat exchange unit of the second indoor unit, the temperature and the humidity of the air of the first area and the air of the second area are basically the same or the same before the heat exchange, and the air of the air outlet is the air after the refrigeration and dehumidification and the air after the hot air are mixed And (3) a comfortable air supply mode in a multi-temperature field.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a room air conditioner of the present application, the room air conditioner comprising: the heat exchange unit comprises a first indoor unit heat exchange unit 1, a second indoor unit heat exchange unit 2 and an air outlet unit 3.
The first indoor unit heat exchange unit 1 is arranged in a first area, the first indoor unit heat exchange unit 1 can change air in the first area into first area heat exchange air through an entering first refrigerant, and the temperature and the humidity of the first area heat exchange air are both smaller than those of the first area air; the second indoor unit heat exchange unit 2 is arranged in a second area, the second indoor unit heat exchange unit 2 can change air in the second area into second area heat exchange air through an entering second refrigerant, and the temperature and the humidity of the second area heat exchange air are greater than or equal to those of the second area air; the air outlet unit 3 can mix the first area heat exchange air and the second area heat exchange air, and guide the mixed air out of an air outlet.
In this embodiment, the first indoor unit heat exchange unit 1 and the second indoor unit heat exchange unit 2 are two different heat exchange units, and are respectively disposed in two different areas: a first region and a second region. The first indoor unit heat exchange unit 1 mainly has a cooling and dehumidifying function, i.e., can absorb heat of the air in the first area, separate water from the air in the first area, and provide low-temperature and low-humidity first area heat exchange air (the temperature and humidity of which are both lower than those of the air in the first area). The second indoor heat exchange unit 2 mainly has a heating function, that is, it releases heat to the air in the second area, and provides heat exchange air (the temperature and humidity of which are greater than or equal to those of the air in the second area) in the second area, which has a higher or equal temperature and a higher or equal humidity than the original air (i.e., the air in the second area); it should be noted that if the temperature and humidity of the air in the second area are proper, the heat-exchange air in the second area coming out of the second indoor unit heat exchange unit 2 may be the air in the second area, that is, the heat release from the second indoor unit heat exchange unit 2 to the air in the second area is very small or basically not, and can be ignored. The temperature and humidity of the air in the first zone and the air in the second zone are substantially the same or even before heat exchange, and the temperature and humidity of the heat-exchanged air in the first zone are lower than those of the heat-exchanged air in the second zone.
The first area and the second area can be arranged side by side or arranged up and down; the first area and the second area may be two areas of one indoor unit, or two areas of different indoor units. The specific arrangement of the first and second regions may be determined according to the specific actual application.
The first refrigerant entering the first indoor heat exchange unit 1 and the second refrigerant entering the second indoor heat exchange unit 2 can be independent of each other. The connection relationship may be: the first indoor unit heat exchange unit 1 and the second indoor unit heat exchange unit 2 are respectively connected with the outdoor unit through respective pipelines, and at the moment, the first indoor unit heat exchange unit 1 and the second indoor unit heat exchange unit 2 can work independently.
Alternatively, the first refrigerant entering the first indoor unit heat exchange unit 1 may completely come from the refrigerant coming out of the second indoor unit heat exchange unit 2, and the second refrigerant entering the second indoor unit heat exchange unit 2 comes from the outdoor unit. The connection relationship may be: the second indoor unit heat exchange unit 2 is connected with the outdoor unit through a pipeline, and the first indoor unit heat exchange unit 1 is connected with the second indoor unit heat exchange unit 2 through a pipeline.
The air outlet unit 3 mixes the low-temperature and low-humidity first area heat exchange air with the high-temperature or even second area heat exchange air with high or even moisture content, and the mixed air has moderate temperature and humidity, namely, compared with the low-temperature and low-humidity first area heat exchange air, the mixed air has higher temperature and higher humidity, and compared with the high-temperature or even second area heat exchange air with high or even moisture content and lower temperature and lower humidity, the air outlet comfort can be increased. In practical application, the mixing ratio of the air after cold dehumidification and the hot air can be adjusted, and a multi-dimensional and multi-temperature-field comfortable air supply mode can be obtained.
The air outlet unit 3 may be implemented by mixing the first area heat exchange air and the second area heat exchange air in a special indoor unit air duct system, and then sending the mixed air into a room at an air outlet; or the first area heat exchange air and the second area heat exchange air are independently controlled by air supply in different areas, and are mixed at the air outlet and sent to the room.
An embodiment of the present application provides a room air conditioner, which includes: the first indoor unit heat exchange unit 1 is arranged in a first area, the first indoor unit heat exchange unit 1 can change air in the first area into first area heat exchange air through an entering first refrigerant, and the temperature and the humidity of the first area heat exchange air are both smaller than those of the first area air; the second indoor unit heat exchange unit 2 is arranged in a second area, the second indoor unit heat exchange unit 2 can change air in the second area into second area heat exchange air through an entering second refrigerant, and the temperature and the humidity of the second area heat exchange air are greater than or equal to those of the second area air; and the air outlet unit 3 is used for mixing the first area heat exchange air and the second area heat exchange air and guiding the mixed air out of the air outlet, and the air outlet is formed in the air outlet unit 3. Because the temperature and the humidity of the heat exchange air of the first area are both less than the temperature and the humidity of the air of the first area, the air is the air after the refrigeration and dehumidification of the heat exchange unit 1 of the first indoor unit, the temperature and the humidity of the heat exchange air of the second area are more than or equal to the temperature and the humidity of the air of the second area, the air is the hot air after the heat release of the heat exchange unit 2 of the second indoor unit, the temperature and the humidity of the air of the first area and the air of the second area are basically the same or equal before the heat exchange, and the air of the air outlet is the air after the refrigeration and dehumidification and the air after the hot air are mixed, compared with the existing single-mode refrigeration and dehumidification air supply, the air temperature and the humidity of the air outlet can be improved, the air sent out from the air outlet can not be overcooled and dried, the comfort of the air outlet is increased, if the mixing ratio of the air after the refrigeration and the dehumidification and the hot air is adjusted, the comfortable air supply mode with multiple dimensions and multiple temperature fields can be obtained.
In one embodiment, the second refrigerant includes a refrigerant flowing out of the outdoor unit and entering the outdoor unit, and the first refrigerant includes a refrigerant flowing out of the second indoor unit and entering the indoor unit. The first indoor unit heat exchange unit makes full use of the refrigerant flowing out of the second indoor unit heat exchange unit, and the refrigerant can be saved in such a way.
The second refrigerant comprises a refrigerant which enters from a high-temperature and high-pressure liquid refrigerant passing through the outdoor unit heat exchange unit and flowing through the electronic expansion valve.
Referring to fig. 2 in combination, in order to ensure that the refrigerant flowing out of the second indoor unit heat exchange unit can become a first refrigerant when entering the first indoor unit heat exchange unit, and ensure that the air in the first area is changed into low-temperature and low-humidity first area heat exchange air, the room air conditioner further comprises: and a temperature and pressure reduction unit 4.
The cooling and depressurizing unit 4 can convert the high-temperature and high-pressure liquid refrigerant flowing out of the heat exchange unit of the second indoor unit into a low-temperature and low-pressure gas-liquid two-phase refrigerant, and lead the low-temperature and low-pressure gas-liquid two-phase refrigerant out of the heat exchange unit of the first indoor unit.
For example, the temperature and pressure reducing unit 4 includes a common auxiliary throttling capillary tube, a throttle valve, and the like with good temperature and pressure reducing effects.
Referring to fig. 3, in an embodiment, in order to save a refrigerant and sufficiently recycle the refrigerant, the outdoor unit 7, the second indoor unit heat exchange unit 2, and the first indoor unit heat exchange unit 1 form a closed-loop pipeline. In this case, the temperature and pressure reduction unit 4 may adopt a valve 41 with throttling function. Because the function of the valve 41 with throttling function can be extended, the extending function of the valve 41 with throttling function can be utilized to fully utilize the first indoor unit heat exchange unit 1 and the second indoor unit heat exchange unit 2, and technical support is provided for the cooling and/or heating mode. I.e. in different operating modes, different functions of the valve 41 with throttling action can be utilized. In this way, the structure can be simplified, and the cost is saved.
Wherein the room air conditioner further comprises: a first valve 5 and a second valve 6. The first valve 5 is arranged on a pipeline between the outdoor unit 7 and the first indoor unit heat exchange unit 1; the second valve 6 is disposed on a pipe between the outdoor unit 7 and the second indoor heat exchange unit 2.
Referring to fig. 4, in one embodiment, the valve 41 with throttling function comprises: a throttle passage 411, a non-throttle passage 412, a valve spool 413, and an electromagnetic control part 414, the throttle passage 411 having a throttling action, the non-throttle passage 412 having no throttling action, the valve spool 413 being capable of opening the throttle passage 411 to close the non-throttle passage 412 or opening the non-throttle passage 412 to close the throttle passage 411 under the control of the electromagnetic control part 414. The electromagnetic control unit 414 may include an electromagnet and a spring, wherein one end of the left spring is connected to the left electromagnet, the other end of the left spring is connected to the valve core 413, one end of the right spring is connected to the right electromagnet, and the other end of the right spring is connected to the valve core 413. The left and right springs are compressed and extended under the control of the left and right electromagnets, and the spool 413 is moved left and right, thereby opening the throttle passage 411 to close the non-throttle passage 412, or opening the non-throttle passage 412 to close the throttle passage 411.
In the embodiment of the present application, the mixed air is guided out of the air outlet by the air outlet unit 3, which may be called a comfortable air mode, and in the comfortable air mode, when the high-temperature refrigerant flowing out of the outdoor unit enters from the second indoor unit heat exchange unit 2, the valve 41 with the throttling function has the throttling function.
Referring to fig. 5, in the comfort air mode, the flow direction (arrow direction in the figure) and the state of the refrigerant may be: the high temperature refrigerant (i.e. the second refrigerant) flowing out of the outdoor unit flows in from the second indoor unit heat exchange unit 2 (which functions as a condenser), the air in the second area is heated (namely, the temperature and the humidity of the heat-exchanged air in the second area after heat exchange are greater than or equal to those of the air in the second area before heat exchange), the high-temperature refrigerant flows through the valve 41 with the throttling function, the valve 41 with the throttling function has the throttling function at the moment, the valve 41 with the throttling function cools the high-temperature refrigerant to obtain low-temperature cold coal, the low-temperature refrigerant (namely, the first refrigerant) flows into the first indoor unit heat exchange unit 1 (the function of the first refrigerant is equivalent to that of an evaporator), and the air in the first area is refrigerated (namely, the temperature and the humidity of the heat-exchanged air in the first area after heat exchange are both less than those of the air in the first area before heat exchange).
In an embodiment, the room air conditioner further has a heating mode commonly used in cold seasons, that is, in the heating mode, when the high-temperature refrigerant flowing out of the outdoor unit enters from the second indoor unit heat exchange unit 2, the valve 41 having the throttling function does not have the throttling function.
Referring to fig. 6, in the heating mode, the flow direction (arrow direction in the figure) and the state of the refrigerant may be: the high-temperature refrigerant flowing out of the outdoor unit flows in from the second indoor unit heat exchange unit 2 (the function of the high-temperature refrigerant is equivalent to that of a condenser) to heat the air in the second area, the high-temperature refrigerant flowing out of the second indoor unit heat exchange unit 2 flows through the valve 41 with the throttling function, at the moment, the valve 41 with the throttling function is not throttled, and the high-temperature refrigerant continuously flows in the first indoor unit heat exchange unit 1 (the function of the high-temperature refrigerant is equivalent to that of the condenser) to heat the air in the first area.
In an embodiment, the room air conditioner further has a cooling mode commonly used in hot days, that is, in the cooling mode, when the low-temperature refrigerant flowing out of the outdoor unit enters from the first indoor unit heat exchange unit 1, the valve 41 with the throttling function has the throttling function.
Referring to fig. 7, in the cooling mode, the flow direction (arrow direction in the figure) and the state of the cooling medium may be: the low-temperature refrigerant flowing out of the outdoor unit flows in from the first indoor unit heat exchange unit 1 (the function of the low-temperature refrigerant is equivalent to that of an evaporator) to refrigerate the air in the first area, the refrigerant flowing out of the first indoor unit heat exchange unit 1 flows through the valve 41 with the throttling function, the valve 41 with the throttling function has the throttling function at the moment, the refrigerant flowing out of the first indoor unit heat exchange unit 1 is cooled to obtain the low-temperature refrigerant, the low-temperature refrigerant continuously flows in the second indoor unit heat exchange unit 2 (the function of the low-temperature refrigerant is equivalent to that of the evaporator), and the air in the second area is refrigerated.
In practical application, the mixing ratio of the air after cold dehumidification and the hot air can be adjusted, and a multi-dimensional and multi-temperature-field comfortable air supply mode can be obtained. In an embodiment, the ratio of the volume of the first region to the second region comprises 2: 3. In this way, comfortable air outlet satisfying the normal condition can be obtained in a simple manner.
Referring to fig. 5 in combination, in an embodiment, the room air conditioner operates in a comfort blowing mode: at the moment, the electronic expansion valve of the outdoor unit is fully opened, the axial flow fan motor of the outdoor unit is opened and stopped, and the indoor heat exchanger is divided into two areas (namely a second indoor unit heat exchange unit 2 and a first indoor unit heat exchange unit 1); the second indoor heat exchange unit 2 functions as a condenser, and the first indoor heat exchange unit 1 functions as an evaporator. The refrigerant is subjected to the following state changes in the heat exchange unit of the indoor unit:
1. the high-temperature and high-pressure liquid refrigerant passes through the outdoor heat exchanger, flows through the second valve, enters the indoor heat exchange unit, and is cooled by the air in the second area when flowing through the second indoor heat exchange unit 2, the temperature of the air flowing through the second indoor heat exchange unit 2 can be increased or leveled in the process, and the moisture content of the air is basically kept unchanged or slightly increased.
2. The high-temperature and high-pressure liquid refrigerant flowing out of the second indoor unit heat exchange unit 2 is throttled and depressurized by a valve with a throttling function to be changed into a low-temperature and low-pressure gas-liquid two-phase state, and then enters the first indoor unit heat exchange unit 1, the gas-liquid two-phase state evaporates and absorbs the heat of the room air flowing through the first indoor unit heat exchange unit 1, and at the moment, the refrigerant in the system is in a saturated state, the saturated temperature of the refrigerant is lower than the dew point temperature of the room air, and water is separated out of the air in a liquid state. In this process, the temperature of the room air flowing through the first indoor unit heat exchange unit 1 is lowered and the moisture content is lowered. The cooling and dehumidifying functions are realized at this stage.
3. The room air flowing through the second indoor unit heat exchange unit 2 of the indoor unit and the air flowing through the first indoor unit heat exchange unit 1 are mixed in an air duct system of the indoor unit, or independently controlled by air supply in different areas, and mixed at an air outlet and sent into a room.
The room air conditioner has the following characteristics:
1. the air conditioner can set required temperature and humidity during operation in a comfortable air supply mode, and can realize three different air treatment effects of temperature reduction dehumidification (namely temperature reduction and humidity reduction relative to air in an indoor space), constant temperature dehumidification (namely temperature leveling and humidity reduction relative to air in the indoor space) or temperature rise dehumidification (namely temperature rise and humidity reduction relative to air in the indoor space).
2. Under the comfortable air supply mode, the air with comfortable temperature (constant temperature and fresh air) can be sent into an indoor room while the refrigeration and dehumidification effects are realized.
In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (12)

1. A room air conditioner, comprising:
the first indoor unit heat exchange unit is arranged in a first area, the first indoor unit heat exchange unit can change air in the first area into first area heat exchange air through an entering first refrigerant, and the temperature and the humidity of the first area heat exchange air are both smaller than those of the first area air;
the second indoor unit heat exchange unit is arranged in a second area and can change the air in the second area into heat exchange air in the second area through an entering second refrigerant, and the temperature and the humidity of the heat exchange air in the second area are greater than or equal to those of the air in the second area;
and the air outlet unit can mix the first area heat exchange air and the second area heat exchange air and lead the mixed air out of the air outlet.
2. A room air conditioner as recited in claim 1, wherein said second refrigerant comprises a refrigerant that flows out from an outdoor unit and enters, and said first refrigerant comprises a refrigerant that flows out from a heat exchange unit of said second indoor unit and enters.
3. A room air conditioner as claimed in claim 2, wherein said second refrigerant comprises a high temperature and high pressure liquid refrigerant which enters through the outdoor unit heat exchange unit and passes through the electronic expansion valve.
4. A room air conditioner as claimed in claim 2 further comprising:
and the cooling and pressure reducing unit can convert the high-temperature and high-pressure liquid refrigerant flowing out of the second indoor unit heat exchange unit into a low-temperature and low-pressure gas-liquid two-phase refrigerant and lead the low-temperature and low-pressure gas-liquid two-phase refrigerant out of the first indoor unit heat exchange unit.
5. A room air conditioner as recited in claim 4 wherein said outdoor unit, said second indoor unit heat exchange unit and said first indoor unit heat exchange unit form a closed loop circuit.
6. A room air conditioner as claimed in claim 5 wherein the temperature and pressure reducing unit includes a valve with a throttling effect.
7. The room air conditioner of claim 6, wherein the throttling valve is configured to throttle the high temperature refrigerant flowing out of the outdoor unit when the high temperature refrigerant enters the second indoor unit heat exchange unit in a comfort mode in which the outlet unit directs the mixed air out of the outlet.
8. The room air conditioner of claim 7, wherein the throttling valve does not throttle the high temperature refrigerant flowing out of the outdoor unit when the high temperature refrigerant enters from the second indoor unit heat exchange unit in the heating mode.
9. The room air conditioner of claim 7, wherein the throttling valve has a throttling function when the low temperature refrigerant flowing out of the outdoor unit enters from the first indoor unit heat exchange unit in the cooling mode.
10. A room air conditioner as claimed in claim 6 wherein said valve with throttling comprises: the valve comprises a throttling passage, a non-throttling passage, a valve core and an electromagnetic control component, wherein the throttling passage has a throttling function, the non-throttling passage does not have a throttling function, and the valve core can open the throttling passage to close the non-throttling passage or open the non-throttling passage to close the throttling passage under the control of the electromagnetic control component.
11. A room air conditioner as claimed in claim 5 further comprising:
the first valve is arranged on a pipeline between the outdoor unit and the first indoor unit heat exchange unit;
and the second valve is arranged on a pipeline between the outdoor unit and the second indoor unit heat exchange unit.
12. A room air conditioner as claimed in claim 1 wherein the ratio of the volume of the first zone to the second zone comprises 2: 3.
CN202010844976.2A 2020-08-20 2020-08-20 Room air conditioner Pending CN114076349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010844976.2A CN114076349A (en) 2020-08-20 2020-08-20 Room air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010844976.2A CN114076349A (en) 2020-08-20 2020-08-20 Room air conditioner

Publications (1)

Publication Number Publication Date
CN114076349A true CN114076349A (en) 2022-02-22

Family

ID=80282034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010844976.2A Pending CN114076349A (en) 2020-08-20 2020-08-20 Room air conditioner

Country Status (1)

Country Link
CN (1) CN114076349A (en)

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