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WO2019011178A1 - 立式空调的控制方法 - Google Patents

立式空调的控制方法 Download PDF

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Publication number
WO2019011178A1
WO2019011178A1 PCT/CN2018/094672 CN2018094672W WO2019011178A1 WO 2019011178 A1 WO2019011178 A1 WO 2019011178A1 CN 2018094672 W CN2018094672 W CN 2018094672W WO 2019011178 A1 WO2019011178 A1 WO 2019011178A1
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WO
WIPO (PCT)
Prior art keywords
air supply
evaporator
fan
cooling
heating
Prior art date
Application number
PCT/CN2018/094672
Other languages
English (en)
French (fr)
Inventor
刘卫兵
耿宝寒
朱辉
刘庆赟
Original Assignee
青岛海尔空调器有限总公司
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Filing date
Publication date
Application filed by 青岛海尔空调器有限总公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2019011178A1 publication Critical patent/WO2019011178A1/zh

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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
    • 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
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • 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

Definitions

  • the invention relates to the technical field of refrigeration, and in particular to a control method of a vertical air conditioner.
  • the existing vertical air conditioner supplies air to the room in a relatively fixed manner.
  • an air supply port is provided on the upper part of the front panel of the indoor unit, or the air supply port is directed to blow air in a certain direction during air conditioning operation, or through automatic control.
  • the swinging leaves circulate the wind, or the wind can avoid the human body according to the human sensor, and avoid the uncomfortableness caused by directly blowing the human body.
  • the air supply mode of the existing air conditioner is relatively simple, and the user experience is poor.
  • One object of the present invention is to overcome the above-mentioned deficiencies of the prior art and to provide a control method for a vertical air conditioner having a plurality of flower air supply modes.
  • a further object of the present invention is to improve the intelligence of the air supply of the air conditioner, to achieve on-demand air supply and gentle air supply, and to enhance user comfort.
  • the present invention provides a control method for a vertical air conditioner, the indoor unit of the vertical air conditioner including a matching upper evaporator, an upper fan, and at least one upper air supply port, and a lower evaporator, a lower fan, and at least one lower The air supply port, the control method includes the following steps:
  • the upper fan and the lower fan are operated at a high speed
  • the upper fan is operated at a high speed, so that the lower fan operates at a low speed
  • the upper fan is operated at a low speed to stop the lower fan.
  • the upper evaporator or the lower evaporator is operated at a high refrigerant flow rate
  • the upper or lower evaporator When the upper or lower fan is running at a low speed, the upper or lower evaporator is operated at a low refrigerant flow rate.
  • control method further includes:
  • the upper air supply port and the lower air supply port are both directed to the adjacent area of the human body for air supply;
  • the upper air supply port and the lower air supply port are subjected to the maximum range sweeping and the air supply directions of the two are kept different;
  • the upper air outlet is subjected to the maximum range sweep.
  • the steps of detecting the surface temperature of the human body, the position of the human body, and the number of persons to determine the air supply demanding body that needs to be focused on the air supply include:
  • the human body with the highest surface temperature is the air supply demanding body, and the human body with the lowest surface temperature in the heating mode is the human body for the air supply.
  • the vertical air conditioner comprises a compressor, a condenser, a tee, a first electronic expansion valve and a second electronic expansion valve, and an upper evaporator and a lower evaporator;
  • the inlet of the tee pipe is connected to the outlet of the condenser, and the two outlets of the tee pipe are respectively connected to the inlets of the first electronic expansion valve and the second electronic expansion valve;
  • the outlets of the first electronic expansion valve and the second electronic expansion valve are respectively connected to the inlets of the upper evaporator and the lower evaporator;
  • the outlets of the upper evaporator and the lower evaporator communicate with the inlet of the compressor.
  • each air outlet is provided with:
  • a vertical pendulum group comprising a plurality of vertical pendulum leaves extending vertically and installed at the air supply opening, the plurality of vertical pendulum leaves being synchronously pivoted to adjust the left and right direction of the wind;
  • the yaw group includes a plurality of yaw leaves extending horizontally, which are installed behind the vertical pendulum leaves, and the plurality of yaw leaves are synchronously pivoted to adjust the up and down direction of the wind.
  • the cooling comfort zone is 20 to 24 ° C; and the heating comfort zone is 18 to 22 ° C.
  • the number of the upper air supply ports is two, and the number of the lower air supply ports is one; the two upper air supply ports and one lower air supply port are arranged in a vertical line.
  • the upper fan and the lower fan are cross-flow fans that extend vertically in the axis.
  • the upper evaporator and the lower evaporator are both finned evaporators and share the same set of fins, the coil of the upper evaporator is mounted on the upper part of the fin set, and the coil located in the lower evaporator is mounted on the fin The lower part of the group.
  • the air conditioner indoor unit is provided with two upper and lower evaporators, two fans and a plurality of air blowing ports, and according to the relationship between the indoor ambient temperature and the cooling comfort temperature zone (or the heating comfort zone) To adjust the number of fans to open, the wind speed and the refrigerant flow of the evaporator, to achieve intelligent adjustment of air volume and cooling capacity / heating capacity, so that the air volume and cooling capacity / heating capacity more closely match the indoor demand, saving air conditioning energy consumption.
  • the air conditioner adjusts the wind direction of the air supply port according to the relationship between the surface temperature of the human body and the cooling comfort temperature zone (or the heating comfort temperature zone), and realizes the wind direction intelligence. Adjusting, when the demand for cooling (or heating) of the human body is large, the wind is blown to the adjacent area of the human body to achieve rapid cooling (or heating); in the air supply, the human body is in a comfortable temperature zone or heating comfort temperature.
  • Zone that is, when the demand for refrigeration (or heating) is small, the air supply port is normally swept, and the entire indoor space is taken into consideration to make the entire room uniformly cooled (heating); when the air supply demand does not require refrigeration (or heating), The maximum range of the upper air supply is swept, so that the lower air supply port stops the air supply, and while reducing the air volume and the cooling capacity (heat generation), the entire indoor space is taken into consideration, and the entire room is uniformly cooled (heated).
  • FIG. 1 is a schematic structural view of a portion of a vertical air conditioner indoor unit according to an embodiment of the present invention
  • FIG. 2 is a refrigeration cycle diagram of a vertical air conditioner according to an embodiment of the present invention.
  • Figure 3 is an exploded perspective view showing the air supply structure of the vertical air conditioner indoor unit shown in Figure 1;
  • FIG. 4 is a schematic structural view of an evaporator of a vertical air conditioner indoor unit according to an embodiment of the present invention
  • Figure 5 is a schematic view showing a control method of a vertical air conditioner according to an embodiment of the present invention.
  • FIG. 6 is a flow chart of a cooling method of a vertical air conditioner according to an embodiment of the present invention.
  • Fig. 7 is a flow chart showing the heating method of the vertical air conditioner according to an embodiment of the present invention.
  • Embodiments of the present invention provide a method for controlling a vertical air conditioner.
  • the indoor unit of the vertical air conditioner includes a casing, two evaporators, two fans, a plurality of air blowing ports, and a plurality of swinging blade assemblies.
  • the upper evaporator 551, the upper fan 410 and the at least one upper air supply opening 112, 114 are matched.
  • the lower evaporator 552, the lower fan 420 and the at least one lower air supply port 116 are matched.
  • 1 shows only the front panel 110 of the housing.
  • the front panel 110 has the above-mentioned upper air supply opening and lower air supply opening, and the rear side of the housing is not shown with an air inlet.
  • the outdoor air enters the casing from the air inlet, passes through two evaporators driven by the fan, and exchanges heat with the evaporator and blows into the room from the corresponding air supply port to realize cooling/heating of the indoor environment.
  • the air conditioner indoor unit has two upper air supply ports 112, 114 and one lower air supply port 116.
  • the air outlet areas of the three air supply openings 112, 114, 116 can be set to be the same, because the upper evaporator 551 and the upper fan 410 match the number of air supply ports, the heat exchange capacity of the upper evaporator 551 and the air supply of the upper fan 410.
  • the capacity is greater than the lower evaporator 552 and the lower fan 420.
  • the two evaporators 551, 552 can be placed under the same heat exchange condition, and the heat exchange amount of the upper evaporator 551 is twice that of the lower evaporator 552, so that the two fans are at the same speed, the upper fan 410
  • the air volume is twice that of the lower fan 420.
  • the two fans may each be a cross-flow fan.
  • the motor 411 of the upper fan 410 may be located at the top thereof, and the motor 421 of the lower fan 420 is located at the bottom thereof.
  • a bearing may be disposed between the two fans 410, 420.
  • a plurality of swinging blade assemblies (eg, a plurality of vertical pendulum blades 312 at the air supply opening 112 and a plurality of yaw blades 322 forming a swinging blade assembly) are matched with the plurality of air supply openings for adjusting the wind direction of each air supply opening .
  • the vertical air conditioner indoor unit may further include a duct assembly that is erected between the upper fan 410, the lower fan 420, and the front panel 110, and includes a housing 120 and a plurality of partitions 121 defining a front and rear open guide a wind chamber, a plurality of partitions vertically arranged in the outer casing to separate the air guiding chambers from the plurality of air passages 123, 124, 125 isolated from each other, each air passage matching an air supply opening for the fan The wind is drained to the air supply port, and the wind flowing to the plurality of air supply ports does not interfere with each other.
  • a duct assembly that is erected between the upper fan 410, the lower fan 420, and the front panel 110, and includes a housing 120 and a plurality of partitions 121 defining a front and rear open guide a wind chamber, a plurality of partitions vertically arranged in the outer casing to separate the air guiding chambers from the plurality of air passages 123, 124,
  • each pendulum assembly includes a pendulum group and a yaw group.
  • the vertical pendulum group includes a plurality of vertical pendulum leaves 312, 314, 316 vertically extending and installed at the air blowing ports 112, 114, 116, and the plurality of vertical pendulum leaves can be pivoted synchronously to adjust the left and right direction of the wind.
  • the yaw group includes a plurality of yaw leaves 324, 324, 326 extending horizontally, which are installed in the air duct, and the plurality of yaw leaves can be pivoted synchronously to adjust the up and down direction of the wind.
  • a motor to drive a yaw leaf (or vertical pendulum) to rotate, a hinge to the yaw leaf (or vertical pendulum) and the rest of the yaw leaf (or vertical pendulum) to achieve full horizontal Synchronous pivoting of the pendulum (or vertical pendulum).
  • the yaw leaf can also be placed at the air outlet, and the vertical swing leaf can be placed in the air duct.
  • the refrigeration cycle system of the vertical air conditioner includes a compressor 510, a condenser 520, a three-way pipe 530, two electronic expansion valves 541, 542, and two evaporators 551, 552, wherein the inlet of the three-way pipe 530 is connected.
  • the two outlets of the tee 530 communicate with the inlets of the two electronic expansion valves 541, 542, respectively.
  • the outlets of the two electronic expansion valves 541, 542 are respectively connected to the inlets of the upper evaporator 551 and the lower evaporator 552.
  • the outlets of the upper evaporator 551 and the lower evaporator 552 communicate with the inlet of the compressor 510.
  • the throttling element 541 is provided with a liquid separator 561, and the electronic expansion valve 542 can be provided with a liquid separator 562, which is used to divide the refrigerant into multiple channels to improve the heat exchange efficiency of the evaporator.
  • the refrigerant After flowing through the coils of the two evaporators, the refrigerant merges into the header 580 and flows from the collector 580 to the compressor 510.
  • the upper evaporator 551 and the lower evaporator 552 are finned evaporators, and the two evaporators share the same fin set 501, and the coil 502 of the upper evaporator 551 is mounted to The upper portion of the fin group 501 and the coil 503 of the lower evaporator 552 are attached to the lower portion of the fin group 501.
  • the embodiment can facilitate the manufacture and installation of the evaporator, and also save the internal space of the casing.
  • Fig. 5 is a schematic view showing a control method of a vertical air conditioner according to an embodiment of the present invention. As shown in FIG. 5, the control method of the present invention may include the following steps:
  • step S502 the indoor ambient temperature is detected and recorded as Ta.
  • Ta may be the temperature of a specific detection point in the room, or the average temperature of a plurality of detection points in the room.
  • Step S504 if the Ta is higher than the preset cooling comfort temperature zone in the cooling mode or lower than the preset heating comfort temperature zone in the heating mode, the upper fan 410 and the lower fan 420 are all operated at a high rotation speed.
  • the surface temperature of the human body required for air supply can quickly reach the cooling comfort temperature zone or the heating comfort zone, so that the human body can enter the comfort state more quickly.
  • the upper fan 410 is operated at a high speed, so that the lower fan 420 operates at a low speed, so that the two fans realize differential operation. In order to reduce the total air volume of the two fans and reduce the energy consumption of the fan.
  • the upper fan 410 is operated at a low speed, so that the lower fan 420 is stopped, so that the human body is already undercooled (cooling) Mode) or overheating (heating mode) state, therefore, it is no longer necessary to cool the human body, and it is only necessary to operate the upper fan 410 at a low speed to maintain the indoor temperature.
  • the cooling comfort zone can be defined as 20 to 24 ° C (including the end point), and the heating comfort zone is 18 to 22 ° C (including the end point).
  • the upper fan 410 and the lower fan 420 can have two speed gears respectively, the high speed is a high gear (such as 950 rpm), and the low speed is a low gear (such as 750 rpm).
  • the refrigerant flow rate of the two evaporators can be adjusted by adjusting the opening degree of the electronic expansion valve to match the air volume of the fan (related to the fan speed), thereby improving the cooling/heating cycle. effectiveness.
  • the upper evaporator or the lower evaporator is operated at a high refrigerant flow rate, and when the upper or lower fan is operated at a low rotation speed, the upper evaporator or the lower evaporator is made lower.
  • the refrigerant flow runs. The specific flow values of high refrigerant flow and low refrigerant flow need to be confirmed experimentally.
  • Fig. 6 is a flow chart showing the cooling method of the vertical air conditioner according to an embodiment of the present invention.
  • the air conditioner is in a cooling mode and the following steps can be used to deliver air.
  • Step S602 detecting the surface temperature of the human body, the position of the human body, and the number of people.
  • the human body detecting device 200 may be disposed on the indoor unit front panel 110 to detect the above content.
  • the human body detecting device 200 can be an infrared sensor.
  • step S404 it is determined whether the number of people is one person. If the number of people is one, step S406 is performed. If the number of people is multiple, step S408 is performed.
  • step S606 it is determined that only one human body in the room is a human body for air supply.
  • step S608 the human body with the highest surface temperature is required to supply air to the human body.
  • step S609 the indoor ambient temperature Ta is detected.
  • step S610 it is determined whether Ta is in the cooling comfort temperature interval. If yes, step S612 is performed, and if no, step S614 is performed.
  • Step S612 the upper fan 410 is operated at a high rotation speed, the lower fan 420 is operated at a low rotation speed, the upper evaporator 551 is operated at a high refrigerant flow rate, and the lower evaporator 552 is operated at a low refrigerant flow rate; the upper air supply port and the lower air supply port are provided Perform the maximum range sweep and keep the air supply directions different.
  • the maximum range of wind sweeping refers to the maximum angular swing of the yaw and yaw leaves to maximize the air supply range of the air conditioner to meet the cooling needs of the entire indoor area.
  • the air supply directions of the upper air supply ports 112, 114 and the lower air supply port 116 different can make the air outlet of the air conditioner more dispersed, for example, the wind direction of the two air supply ports is different, such as sweeping the wind from left to right, and the other Sweep the wind from right to left. Or make both air outlets sweep left and right (or sweep the wind from right to left), but make the sweeping steps different. For a certain area, let the winds pass through, avoiding both at the same time. Air is supplied to the same part, resulting in uneven distribution of cooling capacity.
  • step S614 it is determined whether Ta is lower than the cooling comfort temperature interval. If yes, step S616 is performed, and if no, step S618 is performed.
  • Ta is lower than the cooling comfort temperature interval, at which time the cooling demand is low, the upper fan 410 is operated at a low speed, and the lower fan 420 is stopped.
  • the upper evaporator 551 is operated at a low refrigerant flow rate so that the refrigerant flow rate of the lower evaporator 552 is zero, and the upper air supply ports 112, 114 are subjected to the maximum range sweep.
  • Step S618, Ta is higher than the cooling comfort temperature range, and the cooling demand is large at this time, so that both the upper fan 410 and the lower fan 420 are operated at a high rotation speed, so that both the upper evaporator 551 and the lower evaporator 552 operate at a high refrigerant flow rate;
  • the upper air supply ports 112, 114 and the lower air supply port 116 respectively direct the air supply to the adjacent area of the air supply demanding body, that is, the yaw leaves and the vertical swing leaves remain stationary, so that the cold air is concentratedly blown to the most needed area. In this way, the human body can be quickly cooled to the air supply demand, and the cold wind can be prevented from directly blowing the human body to cause the human body to be uncomfortable.
  • the control method of the present invention determines the human body that is most in need of air supply according to the surface temperature of the human body, and supplies the human body to the air supply demand, and adjusts the air supply direction according to the position of the human body according to the air supply demand, thereby realizing intelligent adjustment of the wind direction.
  • Fig. 7 is a flow chart showing the heating method of the vertical air conditioner according to an embodiment of the present invention.
  • the heating mode of the air conditioner is similar to the cooling mode. A brief introduction is given below. When the air conditioner is in the heating mode, the following steps can be used to supply air.
  • Step S702 detecting the surface temperature of the human body, the position of the human body, and the number of people.
  • step S704 it is determined whether the number of people is one person. If the number of people is one, step S706 is performed. If the number of people is multiple, step S708 is performed.
  • Step S706 determining that only one human body in the room is a human body for supplying air.
  • step S708 the human body with the lowest surface temperature is the air supply demanding body.
  • step S709 the indoor ambient temperature Ta is detected.
  • step S710 it is determined whether Ta is in the heating comfort temperature interval, and if so, step S712 is performed, and if no, step S714 is performed.
  • Step S712 the upper fan 410 is operated at a high rotation speed, the lower fan 420 is operated at a low rotation speed, the upper evaporator 551 is operated at a high refrigerant flow rate, and the lower evaporator 552 is operated at a low refrigerant flow rate; the upper air supply port and the lower air supply port are provided Perform the maximum range sweep and keep the air supply directions different.
  • the upper air supply ports 112, 114 and the lower air supply port 116 are subjected to the maximum range sweeping, so as to balance the heating demand of the entire indoor area, and the air blowing directions of the upper air supply ports 112, 114 and the lower air supply port 116 are provided.
  • the air outlet of the air conditioner has different sweep directions, such as one sweeping from left to right and the other sweeping from right to left. Or make both air outlets sweep left and right (or sweep the wind from right to left), but make the sweeping steps different. For a certain area, let the winds pass through, avoiding both at the same time. Air is supplied to the same part, resulting in uneven heat distribution.
  • step S714 it is determined whether Ta is higher than the heating comfort temperature interval. If yes, step S716 is performed, and if no, step S718 is performed.
  • Ta is higher than the heating comfort temperature interval
  • the upper fan 410 is operated at a low speed
  • the lower fan 420 is stopped.
  • the upper evaporator 551 is operated at a low refrigerant flow rate so that the refrigerant flow rate of the lower evaporator 552 is zero, and the upper air supply ports 112, 114 are subjected to the maximum range sweep.
  • Step S718, Ta is lower than the heating comfort temperature interval, so that both the upper fan 410 and the lower fan 420 are operated at a high rotation speed, so that both the upper evaporator 551 and the lower evaporator 552 are operated at a high refrigerant flow rate; the upper air supply ports 112, 114 are provided. Both the lower air supply port 116 and the lower air supply port 116 direct the air supply to the adjacent area of the air supply demanding body, that is, the yaw leaf and the vertical swing leaf remain stationary, so that the hot air is concentrated to the most needed area. In this way, the human body can be quickly cooled to the air supply demand, and the cold wind can be prevented from directly blowing the human body to cause the human body to be uncomfortable.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • Air Conditioning Control Device (AREA)

Abstract

一种立式空调的室内机包括相匹配的上蒸发器（551）、上风机（410）和至少一个上送风口（112、114），以及下蒸发器（552）、下风机（420）和至少一个下送风口（116）；立式空调的控制方法包括步骤：（S502）检测室内环境温度Ta；（S504）若Ta在制冷模式下高于预设的制冷舒适温区或在制热模式下低于预设的制热舒适温区，使上风机（410）和下风机（420）均以高转速运行；若Ta在制冷模式下处于制冷舒适温区或在制热模式下处于制热舒适温区，使上风机（410）以高转速运行，使下风机（420）以低转速运行；若Ta在制冷模式下低于制冷舒适温区或在制热模式下高于制热舒适温区，使上风机（410）以低转速运行，使下风机（420）停机。

Description

立式空调的控制方法 技术领域
本发明涉及制冷技术领域，特别涉及一种立式空调的控制方法。
背景技术
目前，现有的立式空调向室内送风的方式比较固定，通常为在室内机前面板的上部设置一个送风口，空调运行时，或使送风口朝某一方向定向吹风，或通过自动控制摆叶循环扫风，或根据人感传感器使风躲避人体，避免直吹人体造成不舒适。总之，现有空调的送风方式比较单一，用户体验较差。
发明内容
本发明的一个目的是要克服现有技术的上述缺陷，提供一种具有多样花送风方式的立式空调的控制方法。
本发明的进一步的目的是要提升空调送风的智能化，实现按需送风和柔和送风，增强用户的舒适性。
特别地，本发明提供了一种立式空调的控制方法，立式空调的室内机包括相匹配的上蒸发器、上风机和至少一个上送风口，以及下蒸发器、下风机和至少一个下送风口，控制方法包括以下步骤：
检测室内环境温度Ta；
若Ta在制冷模式下高于预设的制冷舒适温区或在制热模式下低于预设的制热舒适温区，使上风机和下风机均以高转速运行；
若Ta在制冷模式下处于制冷舒适温区或在制热模式下处于制热舒适温区，使上风机以高转速运行，使下风机以低转速运行；
若Ta在制冷模式下低于制冷舒适温区或在制热模式下高于制热舒适温区，使上风机以低转速运行，使下风机停机。
可选地，在上风机或下风机以高转速运行时，使上蒸发器或下蒸发器以高冷媒流量运行；
在上风机或下风机以低转速运行时，使上蒸发器或下蒸发器的以低冷媒流量运行。
可选地，控制方法还包括：
检测室内人体表面温度、人体位置以及人数，以确定需重点送风的送风需求人体；
若Ta在制冷模式下高于制冷舒适温区或在制热模式下低于制热舒适温区，使上送风口和下送风口均向送风需求人体的临近区域定向送风；
若Ta在制冷模式下处于制冷舒适温区或在制热模式下处于制热舒适温区，使上送风口和下送风口进行最大范围扫风且使两者的送风方向保持不同；
若Ta在制冷模式下低于制冷舒适温区或在制热模式下高于制热舒适温区，使上送风口进行最大范围扫风。
可选地，检测室内人体表面温度、人体位置以及人数，以确定需重点送风的送风需求人体的步骤包括：
若人数为一人，以该人体为送风需求人体；
若人数为多人，在制冷模式下以表面温度最高的人体为送风需求人体，在制热模式下表面温度最低的人体为送风需求人体。
可选地，立式空调包括压缩机、冷凝器、三通管、第一电子膨胀阀和第二电子膨胀阀、以及上蒸发器和下蒸发器；其中
三通管的进口连接冷凝器的出口，三通管的两个出口分别连通第一电子膨胀阀和第二电子膨胀阀的进口；
第一电子膨胀阀和第二电子膨胀阀的出口分别连通上蒸发器和下蒸发器的进口；且
上蒸发器和下蒸发器的出口连通压缩机的进口。
可选地，每个送风口处设置有：
竖摆叶组，其包括竖向延伸且安装于送风口处的多个竖摆叶，多个竖摆叶可同步枢转以调节出风的左右方向；以及
横摆叶组，其包括水平延伸的多个横摆叶，其安装在竖摆叶后方，多个横摆叶可同步枢转以调节出风的上下方向。
可选地，制冷舒适温区为20至24℃；制热舒适温区为18至22℃。
可选地，上送风口的数量为两个，下送风口的数量为一个；两个上送风口和一个下送风口沿竖向直线排列。
可选地，上风机和下风机均为轴线竖向延伸的贯流风机。
可选地，上蒸发器和下蒸发器均为翅片式蒸发器且共用同一翅片组，上 蒸发器的盘管安装于翅片组的上部，位于下蒸发器的盘管安装于翅片组的下部。
本发明的立式空调的控制方法中，空调室内机设置上下两个蒸发器、两个风机以及多个送风口，并根据室内环境温度与制冷舒适温区(或制热舒适温区)的关系，来调节风机开启的数量、风速以及蒸发器的冷媒流量，实现风量和制冷量/制热量的智能调节，使风量和制冷量/制热量更加匹配室内需求，节约了空调能耗。
进一步地，本发明的立式空调的控制方法中，空调根据送风需求人体的表面温度与制冷舒适温区(或制热舒适温区)的关系，来调节送风口的风向，实现风向的智能调节，在送风需求人体制冷(或制热)需求较大时将风重点吹向人体邻近区域，实现快速制冷(或制热)；在送风需求人体处于制冷舒适温区或制热舒适温区，即制冷(或制热)需求较小时使送风口正常扫风，兼顾整个室内空间，使整个室内均匀制冷(制热)；在送风需求人体无制冷(或制热)需求时，使上送风口最大范围扫风，使下送风口停止送风，在降低风量和制冷量(制热量)的同时，兼顾整个室内空间，使整个室内均匀制冷(制热)。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是本发明一个实施例的立式空调室内机部分结构示意图；
图2是本发明一个实施例的立式空调的制冷循环图；
图3是图1所示立式空调室内机的送风结构的分解示意图；
图4是本发明一个实施例的立式空调室内机的蒸发器的结构示意图；
图5是本发明一个实施例的立式空调的控制方法的示意图；
图6是本发明一个实施例的立式空调的控制方法在制冷流程图；
图7是本发明一个实施例的立式空调的控制方法在制热流程图。
具体实施方式
本发明实施例提供了一种立式空调的控制方法。如图1至图4所示，立式空调的室内机包括壳体、两个蒸发器、两个风机、多个送风口以及多个摆叶组件。上蒸发器551、上风机410和至少一个上送风口112、114相匹配。下蒸发器552、下风机420和至少一个下送风口116相匹配。图1仅示意出壳体的前面板110，前面板110上开设有前述的上送风口和下送风口，壳体未显示出的后侧开设有进风口。室外空气从进风口进入壳体，在风机的驱动下经过两个蒸发器，与蒸发器换热后从对应的送风口吹向室内，实现对室内环境的制冷/制热。
在图1至图4所示的实施例中，空调室内机具有两个上送风口112、114和一个下送风口116。三个送风口112、114、116的出风面积可设置为相同，因上蒸发器551和上风机410匹配的送风口数量较多，上蒸发器551的换热能力和上风机410的送风能力大于下蒸发器552以及下风机420。例如，可使两个蒸发器551、552在相同换热工况下，位于上蒸发器551的换热量为位于下蒸发器552的两倍，使两个风机在相同转速下，上风机410的风量为下风机420的两倍。
两个风机可均为贯流风机，为使贯流风机与壳体之间的连接更加稳固，可使上风机410的电机411位于其顶部，下风机420的电机421位于其底部。两个风机410、420之间可设置有轴承。
多个摆叶组件(例如，送风口112处的多个竖摆叶312以及多个横摆叶322构成一个摆叶组件)与多个送风口一一匹配，用于调节每个送风口的风向。
立式空调室内机还可包括风道组件，风道组件竖立在上风机410、下风机420与前面板110之间，其包括外壳120和多个隔板121，外壳120限定出前后敞开的导风腔室，多个隔板竖向排列在外壳内，以将导风腔室分隔出彼此隔离的多个风道123、124、125，每个风道匹配一个送风口，用于将风机的风引流至该送风口，且使流向多个送风口的风互不干扰。
并且，每个摆叶组件包括竖摆叶组和横摆叶组。其中，竖摆叶组包括竖向延伸且安装于送风口112、114、116处的多个竖摆叶312、314、316，多个竖摆叶可同步枢转以调节出风的左右方向。横摆叶组包括水平延伸的多个横摆叶324、324、326，其安装在风道内，多个横摆叶可同步枢转以调节出风的上下方向。可通过设置一个电机带动一个横摆叶(或竖摆叶)转动，通 过一连杆铰接于该横摆叶(或竖摆叶)与其余的横摆叶(或竖摆叶)，实现全部横摆叶(或竖摆叶)的同步枢转。当然，也可将横摆叶设置在出风口出，将竖摆叶设置在风道内。
如图2，立式空调的制冷循环系统包括压缩机510、冷凝器520、三通管530、两个电子膨胀阀541、542以及两个蒸发器551、552，其中三通管530的进口连接冷凝器520的出口，三通管530的两个出口分别连通两个电子膨胀阀541、542的进口。两个电子膨胀阀541、542的出口分别连通上蒸发器551和下蒸发器552的进口。上蒸发器551和下蒸发器552的出口连通压缩机510的进口。
如图1，节流元件541后设置有可分液器561，电子膨胀阀542后可设置有分液器562，均用于将冷媒分为多路，提高蒸发器的换热效率。冷媒流经两个蒸发器的盘管后，均汇合至集气管580内，再从集气管580内流向压缩机510。
在一些实施例中，如图4所示，上蒸发器551和下蒸发器552为翅片式蒸发器，且两个蒸发器共用同一翅片组501，上蒸发器551的盘管502安装于翅片组501的上部，下蒸发器552的盘管503安装于翅片组501的下部。相比于两个蒸发器独立、各制作自安装的方案，本实施例可方便蒸发器的制作和安装，同时也节约了壳体内部空间。
图5是本发明一个实施例的立式空调的控制方法的示意图。如图5所示，本发明的控制方法可包括以下步骤：
步骤S502，检测室内环境温度，记为Ta。在该步骤中，Ta可为室内某特定检测点的温度，或者为室内多个检测点的平均温度。
步骤S504，若Ta在制冷模式下高于预设的制冷舒适温区或在制热模式下低于预设的制热舒适温区时，使上风机410和下风机420均以高转速运行，以实现快速的制冷或制热，使送风需求人体的表面温度快速到达制冷舒适温区或制热舒适温区，使人体更快地进入舒适状态。
若Ta在制冷模式下处于制冷舒适温区或在制热模式下处于制热舒适温区，使上风机410以高转速运行，使下风机420以低转速运行，使两个风机实现差速运行，以适当减小两个风机的总风量，减小风机能耗。
若Ta在制冷模式下低于制冷舒适温区或在制热模式下高于制热舒适温区，使上风机410以低转速运行，使下风机420停机，因此时人体已经处于 过冷(制冷模式)或过热而(制热模式)状态，因此，无需再针对人体进行制冷，只需使上风机410以低速运行维持室内温度即可。
在上述步骤中，可定义制冷舒适温区为20至24℃(包括端点)，制热舒适温区为18至22℃(包括端点)。并且，可使上风机410和下风机420分别具有两个转速档，上述高转速为高档位(如950rpm)，低转速为低档位(如750rpm)。此外，在上述控制方法中，可通过调节电子膨胀阀的开度，来调节两个蒸发器的冷媒流量，使其与风机的风量(与风机转速相关)相匹配，提升制冷/制热循环的效率。即在上风机或下风机以高转速运行时，使上蒸发器或下蒸发器以高冷媒流量运行，在上风机或下风机以低转速运行时，使上蒸发器或下蒸发器的以低冷媒流量运行。高冷媒流量和低冷媒流量具体的流量值需要根据实验确认。
图6是本发明一个实施例的立式空调的控制方法在制冷流程图。在一些实施例中，空调处于制冷模式下，可采用下述步骤进行送风。
步骤S602，检测室内人体表面温度、人体位置以及人数。可在室内机前面板110设置人体检测装置200以检测上述内容。人体检测装置200可为红外传感器。
步骤S404，判断人数是否为一人，如人数为一人，执行步骤S406，如人数为多人，执行步骤S408。
步骤S606，确定室内仅有的一个人体为送风需求人体。
步骤S608，以表面温度最高的人体为送风需求人体。
步骤S609，检测室内环境温度Ta。
步骤S610，判断Ta是否处于制冷舒适温区间，如是，执行步骤S612，如否，执行步骤S614。
步骤S612，使上风机410以高转速运行，使下风机420以低转速运行，使上蒸发器551以高冷媒流量运行，下蒸发器552以低冷媒流量运行；使上送风口和下送风口进行最大范围扫风且使两者送风方向保持不同。最大范围扫风指的是使横摆叶和竖摆叶的进行最大角度地摆动，以使空调的送风范围达到最大，以兼顾整个室内区域的制冷需求。使上送风口112、114和下送风口116的送风方向保持不同可以使空调的出风更加分散，例如使两个送风口的扫风方向不同，如一个从左向右扫风，另一个从右向左扫风。或者使两个送风口均左向右扫风(或均从右向左扫风)，但使其扫风步调不同，对于 某一区域，使两者的风先后通过，避免两者同时刻朝向同一部位送风，造成冷量分配不均。
步骤S614，判断Ta是否低于制冷舒适温区间，如是，执行步骤S616，如否，执行步骤S618。
步骤S616，Ta低于制冷舒适温区间，此时制冷需求较低，使上风机410以低转速运行，下风机420停机。使上蒸发器551以低冷媒流量运行，使下蒸发器552的冷媒流量为零，使上送风口112、114进行最大范围扫风。
步骤S618，Ta高于制冷舒适温区间，此时制冷需求较大，使上风机410和下风机420均以高转速运行，使上蒸发器551和下蒸发器552均以高冷媒流量运行；使上送风口112、114和下送风口116均向送风需求人体的临近区域定向送风，即横摆叶和竖摆叶保持不动，使冷风集中吹向最需要的区域。如此既能够对送风需求人体迅速制冷，又能避免冷风直吹人体造成人体不舒适。
本发明的控制方法根据人体的表面温度确定最需要送风的人体为送风需求人体，根据送风需求人体的位置调节送风方向，实现风向的智能调节。
图7是本发明一个实施例的立式空调的控制方法在制热流程图。空调的制热模式与制冷模式类似，下面进行简单介绍。空调处于制热模式下，可采用下述步骤进行送风。
步骤S702，检测室内人体表面温度、人体位置以及人数。
步骤S704，判断人数是否为一人，如人数为一人，执行步骤S706，如人数为多人，执行步骤S708。
步骤S706，确定室内仅有的一个人体为送风需求人体。
步骤S708，以表面温度最低的人体为送风需求人体。
步骤S709，检测室内环境温度Ta。
步骤S710，判断Ta是否处于制热舒适温区间，如是，执行步骤S712，如否，执行步骤S714。
步骤S712，使上风机410以高转速运行，使下风机420以低转速运行，使上蒸发器551以高冷媒流量运行，下蒸发器552以低冷媒流量运行；使上送风口和下送风口进行最大范围扫风且使两者送风方向保持不同。
在上述步骤中，优选使上送风口112、114和下送风口116进行最大范围扫风，以兼顾整个室内区域的制热需求，使上送风口112、114和下送风 口116的送风方向保持不同可以使空调的出风更加分散，例如使两个送风口的扫风方向不同，如一个从左向右扫风，另一个从右向左扫风。或者使两个送风口均左向右扫风(或均从右向左扫风)，但使其扫风步调不同，对于某一区域，使两者的风先后通过，避免两者同时刻朝向同一部位送风，造成热量分配不均。
步骤S714，判断Ta是否高于制热舒适温区间，如是，执行步骤S716，如否，执行步骤S718。
步骤S716，Ta高于制热舒适温区间，使上风机410以低转速运行，下风机420停机。使上蒸发器551以低冷媒流量运行，使下蒸发器552的冷媒流量为零，使上送风口112、114进行最大范围扫风。
步骤S718，Ta低于制热舒适温区间，使上风机410和下风机420均以高转速运行，使上蒸发器551和下蒸发器552均以高冷媒流量运行；使上送风口112、114和下送风口116均向送风需求人体的临近区域定向送风，即横摆叶和竖摆叶保持不动，使热风集中吹向最需要的区域。如此既能够对送风需求人体迅速制冷，又能避免冷风直吹人体造成人体不舒适。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (10)

  1. 一种立式空调的控制方法，所述立式空调的室内机包括相匹配的上蒸发器、上风机和至少一个上送风口，以及下蒸发器、下风机和至少一个下送风口，所述控制方法包括以下步骤：
    检测室内环境温度Ta；
    若Ta在制冷模式下高于预设的制冷舒适温区或在制热模式下低于预设的制热舒适温区，使所述上风机和所述下风机均以高转速运行；
    若Ta在制冷模式下处于所述制冷舒适温区或在制热模式下处于所述制热舒适温区，使所述上风机以高转速运行，使所述下风机以低转速运行；
    若Ta在制冷模式下低于所述制冷舒适温区或在制热模式下高于所述制热舒适温区，使所述上风机以低转速运行，使所述下风机停机。
  2. 根据权利要求1所述的控制方法，其中
    在所述上风机或所述下风机以高转速运行时，使所述上蒸发器或所述下蒸发器以高冷媒流量运行；
    在所述上风机或所述下风机以低转速运行时，使所述上蒸发器或所述下蒸发器的以低冷媒流量运行。
  3. 根据权利要求2所述的控制方法，还包括：
    检测室内人体表面温度、人体位置以及人数，以确定需重点送风的送风需求人体；
    若Ta在制冷模式下高于所述制冷舒适温区或在制热模式下低于所述制热舒适温区，使所述上送风口和所述下送风口均向所述送风需求人体的临近区域定向送风；
    若Ta在制冷模式下处于所述制冷舒适温区或在制热模式下处于所述制热舒适温区，使所述上送风口和所述下送风口进行最大范围扫风且使两者的送风方向保持不同；
    若Ta在制冷模式下低于所述制冷舒适温区或在制热模式下高于所述制热舒适温区，使所述上送风口进行最大范围扫风。
  4. 根据权利要求3所述的控制方法，其中检测室内人体表面温度、人体 位置以及人数，以确定需重点送风的送风需求人体的步骤包括：
    若人数为一人，以该人体为所述送风需求人体；
    若人数为多人，在制冷模式下以表面温度最高的人体为所述送风需求人体，在制热模式下表面温度最低的人体为所述送风需求人体。
  5. 根据权利要求1所述的控制方法，其中
    所述立式空调包括压缩机、冷凝器、三通管、第一电子膨胀阀和第二电子膨胀阀、以及所述上蒸发器和所述下蒸发器；其中
    所述三通管的进口连接所述冷凝器的出口，所述三通管的两个出口分别连通所述第一电子膨胀阀和所述第二电子膨胀阀的进口；
    所述第一电子膨胀阀和所述第二电子膨胀阀的出口分别连通所述上蒸发器和所述下蒸发器的进口；且
    所述上蒸发器和所述下蒸发器的出口连通所述压缩机的进口。
  6. 根据权利要求1所述的控制方法，其中
    每个所述送风口处设置有：
    竖摆叶组，其包括竖向延伸且安装于所述送风口处的多个竖摆叶，所述多个竖摆叶可同步枢转以调节出风的左右方向；以及
    横摆叶组，其包括水平延伸的多个横摆叶，其安装在所述竖摆叶后方，所述多个横摆叶可同步枢转以调节出风的上下方向。
  7. 根据权利要求1所述的控制方法，其中
    所述制冷舒适温区为20至24℃；
    所述制热舒适温区为18至22℃。
  8. 根据权利要求1所述的控制方法，其中
    所述上送风口的数量为两个，所述下送风口的数量为一个；
    两个所述上送风口和一个所述下送风口沿竖向直线排列。
  9. 根据权利要求1所述的控制方法，其中
    所述上风机和所述下风机均为轴线竖向延伸的贯流风机。
  10. 根据权利要求1所述的控制方法，其中
    所述上蒸发器和所述下蒸发器均为翅片式蒸发器且共用同一翅片组，所述上蒸发器的盘管安装于所述翅片组的上部，位于所述下蒸发器的盘管安装于所述翅片组的下部。
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