WO2022268091A1 - Unité intérieure et climatiseur - Google Patents

Unité intérieure et climatiseur Download PDF

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Publication number
WO2022268091A1
WO2022268091A1 PCT/CN2022/100249 CN2022100249W WO2022268091A1 WO 2022268091 A1 WO2022268091 A1 WO 2022268091A1 CN 2022100249 W CN2022100249 W CN 2022100249W WO 2022268091 A1 WO2022268091 A1 WO 2022268091A1
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WO
WIPO (PCT)
Prior art keywords
air
air outlet
heat exchanger
indoor unit
wind deflector
Prior art date
Application number
PCT/CN2022/100249
Other languages
English (en)
Chinese (zh)
Inventor
郭华锋
李德鹏
黄民柱
Original Assignee
海信（广东）空调有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202121392581.XU external-priority patent/CN216244601U/zh
Priority claimed from CN202110686973.5A external-priority patent/CN113310111A/zh
Application filed by 海信（广东）空调有限公司 filed Critical 海信（广东）空调有限公司
Priority to CN202280007163.5A priority Critical patent/CN116420048A/zh
Publication of WO2022268091A1 publication Critical patent/WO2022268091A1/fr

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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
    • F24F1/0011—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
    • 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
    • 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
    • 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

Definitions

  • the present disclosure relates to the technical field of air conditioning, in particular to an indoor unit and an air conditioner.
  • Air conditioner is an electrical product widely used in people's life. Air conditioner plays an important role in regulating indoor temperature, and can provide users with a healthy and comfortable indoor environment to meet the needs of normal work, life and study.
  • the indoor unit includes a body, a first air duct assembly, a second air duct assembly, a first heat exchanger, a second heat exchanger, a first fan, and a second air duct assembly.
  • Two fans the body includes an air inlet, a first air outlet and a second air outlet, the first air outlet and the second air outlet are arranged in sequence along the horizontal direction, the first air outlet and the The second air outlet extends along one end close to each other toward the end far away from each other, obliquely extending to a side away from the ground; the first air duct assembly and the second air duct assembly are both arranged in the body, and the first air duct assembly is arranged in the body.
  • An air duct assembly includes a first air outlet channel, the first air outlet channel communicates with the first air outlet, and the second air duct assembly includes a second air outlet channel, the second air outlet channel communicates with the first air outlet
  • the second air outlet is connected, the second air outlet channel and the first air outlet channel are set independently of each other
  • the first heat exchanger is arranged between the air inlet and the first air channel assembly
  • the second heat exchanger is arranged between the air inlet and the second air duct assembly, the first heat exchanger and the second heat exchanger work independently of each other
  • the first fan includes each other A coupled first wind wheel and a first motor, the first wind wheel is arranged in the first air duct assembly, the second fan includes a second wind wheel and a second motor coupled to each other, the The second wind wheel is arranged in the second air channel assembly, and the first fan and the second fan work independently of each other.
  • some embodiments of the present application provide an air conditioner, the air conditioner includes the above-mentioned indoor unit and an outdoor unit, and the outdoor unit is connected to the indoor unit.
  • FIG. 1 is a block diagram of an air conditioner according to some embodiments
  • FIG. 2 is a perspective view of an indoor unit according to some embodiments.
  • Fig. 3 is an exploded view of the indoor unit shown in Fig. 2;
  • Fig. 4 is a front view of the indoor unit shown in Fig. 2;
  • Fig. 5 is a bottom view of the indoor unit shown in Fig. 2;
  • Fig. 6 is an assembly structure diagram of a heat exchanger, a fan and an air duct assembly according to some embodiments
  • FIG. 7 is a structural diagram of a connected first heat exchanger and a second heat exchanger according to some embodiments.
  • Fig. 8 is an exploded view of the first heat exchanger and the second heat exchanger shown in Fig. 7;
  • Figure 9 is a block diagram of a first fan and a second fan according to some embodiments.
  • Fig. 10 is an assembly diagram of the first fan, the second fan, and the first air duct assembly and the second air duct assembly according to some embodiments;
  • FIG. 11 is a structural diagram of a first air duct assembly and a second air duct assembly according to some embodiments
  • Fig. 12 is a sectional view along line A-A in Fig. 11;
  • Fig. 13 is a structural diagram of another angle of the first air duct assembly and the second air duct assembly shown in Fig. 11;
  • Fig. 14 is a structural diagram of an indoor unit not working according to some embodiments.
  • Fig. 15 is a structural diagram of an indoor unit in a first air outlet mode according to some embodiments.
  • Fig. 16 is a structural diagram of an indoor unit in a second air outlet mode according to some embodiments.
  • Fig. 17 is a partial three-dimensional structure diagram of an indoor unit according to some embodiments.
  • Figure 18 is an assembled perspective view of the first fan, the second fan, the first air duct assembly and the second air duct assembly according to some embodiments;
  • Fig. 19 is a sectional view along line C-C in Fig. 18;
  • Figure 20 is a structural diagram of a first connector according to some embodiments.
  • Fig. 21 is an assembly diagram of a body, a wind deflector and a shaft structure of an indoor unit according to some embodiments;
  • Fig. 22 is a sectional view along line D-D in Fig. 21;
  • Figure 23 is a sectional view along line E-E in Figure 21;
  • Fig. 24 is a structure diagram of a body and a shaft of an indoor unit according to some embodiments.
  • Fig. 25 is a structural diagram of a rotating shaft of an indoor unit according to some embodiments.
  • Figure 26 is an assembly view of a first air duct assembly, a second air duct assembly, and two wind sweep assemblies according to some embodiments;
  • Figure 27 is a partially enlarged view of a wind sweeping assembly and an air duct assembly according to some embodiments
  • Figure 28 is a block diagram of a wind sweep assembly according to some embodiments.
  • 29 is a rear view of an indoor unit according to some embodiments.
  • Fig. 30 is an assembly drawing of two air duct assemblies, two heat exchangers, two fans, a refrigerant control device, a first connector and a second connector of the indoor unit shown in Fig. 29;
  • Fig. 31 is another assembly diagram of the two air duct assemblies, the two heat exchangers, the two fans, the refrigerant control device, the first connector and the second connector of the indoor unit shown in Fig. 29;
  • 32 is a front view of an indoor unit according to some embodiments.
  • Fig. 33 is a sectional view along line G-G in Fig. 32 .
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present disclosure, unless otherwise specified, "plurality” means two or more.
  • the expressions “coupled” and “connected” and their derivatives may be used.
  • the term “connected” may be used in describing some embodiments to indicate that two or more elements are in direct physical or electrical contact with each other.
  • the term “coupled” may be used when describing some embodiments to indicate that two or more elements are in direct physical or electrical contact.
  • the terms “coupled” or “communicatively coupled” may also mean that two or more elements are not in direct contact with each other, but yet still co-operate or interact with each other.
  • the embodiments disclosed herein are not necessarily limited by the context herein.
  • parallel As used herein, “parallel”, “perpendicular”, and “equal” include the stated situation and the situation similar to the stated situation, the range of the similar situation is within the acceptable deviation range, wherein the The acceptable deviation ranges are as determined by one of ordinary skill in the art taking into account the measurement in question and errors associated with measurement of the particular quantity (ie, limitations of the measurement system).
  • “parallel” includes absolute parallelism and approximate parallelism, wherein the acceptable deviation range of approximate parallelism can be, for example, a deviation within 5°; Deviation within 5°.
  • “Equal” includes absolute equality and approximate equality, where the difference between the two that may be equal is less than or equal to 5% of either within acceptable tolerances for approximate equality, for example.
  • FIG. 1 is a structural diagram of an air conditioner according to some embodiments.
  • an air conditioner 1000 includes an indoor unit 100 and an outdoor unit 200 .
  • the indoor unit 100 and the outdoor unit 200 are connected through pipelines to transmit refrigerant.
  • the indoor unit 100 includes an indoor heat exchanger 400 and an indoor fan 600 .
  • the outdoor unit 200 includes a compressor 201 , a four-way valve 202 , an outdoor heat exchanger 203 , an outdoor fan 204 and an expansion valve 205 .
  • the compressor 201, the outdoor heat exchanger 203, the expansion valve 205 and the indoor heat exchanger 400 connected in sequence form a refrigerant circuit, and the refrigerant circulates in the refrigerant circuit, passing through the outdoor heat exchanger 203 and the indoor heat exchanger 400 respectively. Exchanging heat with air to realize the cooling mode or heating mode of the air conditioner 1000 .
  • the compressor 201 is configured to compress the refrigerant so that the low-pressure refrigerant is compressed to form the high-pressure refrigerant.
  • the outdoor heat exchanger 203 is configured to exchange heat between the outdoor air and the refrigerant transported in the outdoor heat exchanger 203 .
  • the outdoor heat exchanger 203 works as a condenser in the cooling mode of the air conditioner 1000 , so that the refrigerant compressed by the compressor 201 dissipates heat to the outdoor air through the outdoor heat exchanger 203 to condense.
  • the outdoor heat exchanger 203 works as an evaporator in the heating mode of the air conditioner 1000 , so that the decompressed refrigerant absorbs the heat of the outdoor air through the outdoor heat exchanger 203 and evaporates.
  • the outdoor heat exchanger 203 also includes heat exchange fins to expand the contact area between the outdoor air and the refrigerant transported in the outdoor heat exchanger 203, thereby improving the heat exchange efficiency between the outdoor air and the refrigerant .
  • the outdoor fan 204 is configured to suck outdoor air into the outdoor unit 200 through the outdoor air inlet of the outdoor unit 200 , and send out the outdoor air after exchanging heat with the outdoor heat exchanger 203 through the outdoor air outlet of the outdoor unit 200 .
  • Outdoor fan 204 powers the flow of outdoor air.
  • the expansion valve 205 is connected between the outdoor heat exchanger 203 and the indoor heat exchanger 400, and the pressure of the refrigerant flowing through the outdoor heat exchanger 203 and the indoor heat exchanger 400 is adjusted by the opening of the expansion valve 205 to adjust the flow to the outdoor The refrigerant flow rate between the heat exchanger 203 and the indoor heat exchanger 400 .
  • the flow rate and pressure of the refrigerant circulating between the outdoor heat exchanger 203 and the indoor heat exchanger 400 will affect the heat exchange performance of the outdoor heat exchanger 203 and the indoor heat exchanger 400 .
  • the expansion valve 205 may be an electronic valve.
  • the four-way valve 202 is connected in the refrigerant circuit, and the four-way valve 202 is configured to switch the flow direction of the refrigerant in the refrigerant circuit so that the air conditioner 1000 executes a cooling mode or a heating mode.
  • the indoor heat exchanger 400 is configured to exchange heat between indoor air and refrigerant transferred in the indoor heat exchanger 400 .
  • the indoor heat exchanger 400 works as an evaporator in the cooling mode of the air conditioner 1000 , so that the refrigerant that has dissipated heat through the outdoor heat exchanger 203 absorbs heat from indoor air through the indoor heat exchanger 400 and evaporates.
  • the indoor heat exchanger 400 works as a condenser in the heating mode of the air conditioner 1000 , so that the refrigerant absorbed by the outdoor heat exchanger 203 dissipates heat to the indoor air through the indoor heat exchanger 400 to condense.
  • the indoor heat exchanger 400 further includes heat exchange fins to expand the contact area between the indoor air and the refrigerant transported in the indoor heat exchanger 400, thereby improving the heat exchange efficiency between the indoor air and the refrigerant .
  • the indoor fan 600 is configured to suck indoor air into the indoor unit 100 through the indoor air inlet of the indoor unit 100 , and send out the indoor air after exchanging heat with the indoor heat exchanger 400 through the indoor air outlet of the indoor unit 100 .
  • the indoor fan 600 provides power for the flow of indoor air.
  • the orientation expressions of up, down, left, right, front, and rear in this disclosure all refer to the state of the air conditioner when it is in use.
  • the side facing the user is the front side
  • the opposite side is the rear side.
  • the height direction of the air conditioner is up and down.
  • the left-right direction of the air conditioner is opposite to the user's left-right direction, for example, the left side of the refrigerator is the user's right side, and the right side of the refrigerator is the user's left side.
  • Fig. 3 is an exploded view of the indoor unit shown in Fig. 2
  • Fig. 6 is an assembly structure diagram of a heat exchanger, a fan and an air duct assembly according to some embodiments, as shown in Fig. 3 and Fig. 6, the indoor unit 100 also includes a body 1.
  • the first air duct assembly 2 and the second air duct assembly 3 The indoor heat exchanger 400 includes a first heat exchanger 4 and a second heat exchanger 5
  • the indoor fan 600 includes a first fan 6 and a second fan 7 .
  • Fig. 5 is a bottom view of the indoor unit shown in Fig. 2.
  • the body 1 includes an air inlet 11, a first air outlet 12 and a second air outlet 13, and the air inlet 11 is arranged near the body 1.
  • the first air outlet 12 and the second air outlet 13 are arranged on the front side of the machine body 1 .
  • the first air outlet 12 and the second air outlet 13 are arranged in sequence along the horizontal direction (for example, arranged left and right), which is beneficial to increase the total air outlet area of the first air outlet 12 and the second air outlet 13 .
  • the first air channel assembly 2 and the second air channel assembly 3 are both arranged in the machine body 1 .
  • the first heat exchanger 4 is arranged between the air inlet 11 and the first air duct assembly 2
  • the second heat exchanger 5 is arranged between the air inlet 11 and the second air duct assembly 3 .
  • the first air channel assembly 2 includes a first air outlet channel 21, the first air outlet channel 21 communicates with the first air outlet 12, the second air channel assembly 3 includes a second air outlet channel 31, and the second air outlet channel 31 communicates with the first air outlet channel 31.
  • the two air outlets 13 are connected.
  • the first fan 6 includes a first wind wheel 61 and a first motor 62 , the first wind wheel 61 and the first motor 62 are coupled, and the first wind wheel 61 is arranged in the first air duct assembly 2 .
  • the second fan 7 includes a second wind wheel 71 and a second motor 72 , the second wind wheel 71 and the second motor 72 are coupled, and the second wind wheel 71 is arranged in the second air duct assembly 3 .
  • the first fan 6 and the second fan 7 are cross-flow fans.
  • the indoor air flows into the body 1 from the air inlet 11
  • a part of the airflow flows through the first heat exchanger 4 under the action of the first fan 6 for heat exchange, and the air after heat exchange enters the first fan 6, and then flows along the first fan 6.
  • An air outlet channel 21 flows to the first air outlet 12, and finally flows into the room from the first air outlet 12; the other part of the air flow flows through the second heat exchanger 5 under the action of the second fan 7 for heat exchange.
  • the second air outlet passage 31 and the first air outlet passage 21 are set independently of each other, the first heat exchanger 4 and the second heat exchanger 5 work independently of each other, the first fan 6 and the second fan 7 work independently of each other, and the first heat exchanger 4 works independently of each other.
  • the heat exchanger 4 and the second heat exchanger 5 can independently control the air supply temperature respectively, and the first fan 6 and the second fan 7 can independently control the air supply volume respectively, so that the air blown out from the first air outlet 12 and the second air outlet 13
  • the temperature and air volume of the airflow can be different, so that the indoor unit 100 can achieve zoned air supply, so that the same indoor unit 100 can achieve different heat exchange effects in different areas, which meets the needs of different users in the same room, and effectively improves the user's safety. Comfort of use.
  • one-side air supply of the indoor unit 100 can be realized according to user requirements.
  • the first air outlet 12 and the second air outlet 13 extend along the direction from one end close to each other to the end farther away from each other, and extend obliquely to the side (such as the upper side) away from the ground, so that the air supply angle can be effectively increased, and the indoor area can be enlarged.
  • Air supply range of machine 100 Fig. 4 is a front view of the indoor unit shown in Fig. 2
  • Fig. 7 is a structural diagram of a connected first heat exchanger and a second heat exchanger according to some embodiments
  • Fig. 9 is a first heat exchanger according to some embodiments
  • the structural diagram of the blower fan and the second blower fan, with reference to Fig. 4, Fig. 7 and Fig. 9, the extension direction of the first heat exchanger 4 and the first blower fan 6 is roughly the same as that of the first air outlet 12, the second heat exchanger 5 and the first blower
  • the extending direction of the second fan 7 and the second air outlet 13 is substantially the same.
  • the first air outlet 12 and the second air outlet 13 can guide the airflow.
  • the extension directions of the first air outlet 12 and the second air outlet 13 are roughly parallel, the airflow flows into the room in a direction perpendicular to the length of the body 1 , the air supply range of the indoor unit 100 is limited to the indoor space facing the machine body 1. As shown in FIG. When extending obliquely upward, the airflow flows into the room at a predetermined obtuse angle with the length direction of the body 1 , thereby increasing the air supply angle of the indoor unit 100 and expanding the air supply range of the indoor unit 100 .
  • the temperature and air volume of the airflow blown from the first air outlet 12 and the second air outlet 13 can be different, when the outlet air temperature and the air volume of the first air outlet 12 and the second air outlet 13 are different, so set
  • the first air outlet 12 and the second air outlet 13 can avoid mutual interference of the air flow, and the air flow of different temperatures flowing out from the first air outlet 12 and the second air outlet 13 can make different indoor areas have different temperatures, which can better meet The needs of users in different areas for comfortable air temperature.
  • the acute angle between the plane where the first air outlet 12 is located and the symmetrical plane perpendicular to the length direction of the body 1 is ⁇ 1
  • the plane where the second air outlet 13 is located and the body 1 are perpendicular to the body 1
  • the acute angle between the symmetrical planes in the length direction is ⁇ 2
  • the value range of ⁇ 1 and ⁇ 2 is greater than or equal to 85° and less than 90°, for example, 85°, 86°, 87°, 88° or 89°, etc.
  • ⁇ 1 or ⁇ 2 is less than 85°, the acute angle between the plane where the first air outlet 12 or the second air outlet 13 is located and the symmetrical plane perpendicular to the length direction of the body 1 is too small, which may cause the first air outlet 12 or the second air outlet
  • the inclination angle of the tuyere 13 relative to the horizontal plane is too large, which is not conducive to the spatial layout of the first heat exchanger 4 , the second heat exchanger 5 , the first fan 6 and the second fan 7 .
  • ⁇ 1 or ⁇ 2 is greater than or equal to 90°, the first air outlet 12 or the second air outlet 13 will reduce the air supply angle, thereby reducing the air supply range of the indoor unit 100 .
  • Fig. 2 is a perspective view of the indoor unit according to some embodiments
  • Fig. 14 is a structural diagram of the indoor unit according to some embodiments when it is not working
  • Fig. 15 is a view of the indoor unit in the first air outlet mode according to some embodiments
  • 16 is a structural diagram of an indoor unit in the second air outlet mode according to some embodiments
  • FIG. 17 is a partial three-dimensional structural diagram of an indoor unit according to some embodiments
  • FIG. 18 is a structural diagram according to some implementations
  • Figure 19 is a cross-sectional view along line C-C in Figure 18, and Figure 20 is a first connector according to some embodiments Structural diagram
  • the indoor unit 100 further includes multiple (for example, two) first wind deflectors 121 , a first driving mechanism 122 and a first rotating shaft mechanism 123 corresponding to each first wind deflector 121 .
  • the two first air guide plates 121 are respectively a first inner air guide plate 1211 and a first outer air guide plate 1212 , and the two first air guide plates 121 are arranged at the first air outlet 12 .
  • the first rotating shaft mechanism 123 is pivotably connected with the machine body 1 , and the first wind deflector 121 is connected with the first rotating shaft mechanism 123 .
  • the first driving mechanism 122 is arranged on the rear side of the first outer wind deflector 1212 , and the first driving mechanism 122 is connected with the first wind deflector 121 to drive the first wind deflector 121 to rotate around the first rotating shaft mechanism 123 .
  • the first inner wind deflector 1211 and the first outer wind deflector 1212 are arranged on two opposite side walls (for example, the upper side wall and the lower side wall) of the first air outlet 12, and one end of the first inner wind deflector 1211
  • One end of the first outer wind deflector 1212 is pivotally connected with the body 1 through the first shaft mechanism 123 to open and close the first air outlet 12, and the first shaft mechanism 123 is connected to the body 1 and the first wind deflector.
  • 121 is detachably connected.
  • the indoor unit 100 also includes a plurality (for example, two) of second air deflectors 131 , a second driving mechanism 132 and a second rotating shaft mechanism 133 corresponding to each second air deflector 131 .
  • the two second air deflectors 131 are respectively a second inner air deflector 1311 and a second outer air deflector 1312 , and the two second air deflectors 131 are arranged at the second air outlet 13 .
  • the second shaft mechanism 133 is pivotally connected to the machine body 1 , and the second wind deflector 131 is connected to the first shaft mechanism 123 .
  • the second drive mechanism 132 is arranged on the rear side of the second outer wind deflector 1312, and the second drive mechanism 132 is connected with the second wind deflector 131 to drive the second wind deflector 131 around the first rotation axis.
  • Mechanism 123 rotates.
  • the second inner wind deflector 1311 and the second outer wind deflector 1312 are disposed on two opposite side walls (for example, an upper side wall and a lower side wall) of the second air outlet 13 .
  • One end of the second inner wind deflector 1311 and one end of the second outer wind deflector 1312 are respectively pivotally connected to the body 1 through the second shaft mechanism 133, so as to open and close the second air outlet 13.
  • the second shaft mechanism 133 It is detachably connected with the machine body 1 and the second wind deflector 131 .
  • the flow direction of the airflow of the first air outlet 12 and the second air outlet 13 is adjusted through the flow guiding effect of the plurality of first air deflectors 121 and the plurality of second air deflectors 131, so that the first air outlet 12 and the second air outlet 13
  • the flow direction of the airflow of the second air outlet 13 is more diverse, so that the indoor unit 100 can well adjust the flow direction of the airflow of the first air outlet 12 or the second air outlet 13 according to its operating mode.
  • first heat exchanger 4 and the second heat exchanger 5 work independently of each other, and a plurality of first air deflectors 121 and a plurality of second air deflectors 131 can adjust the first air outlet 12 and the second air outlet
  • the flow direction of the airflow at 13 can effectively increase the operating modes of the indoor unit 100 and improve user experience.
  • the first rotating shaft mechanism 123 and The second rotating shaft mechanism 133 can be processed separately.
  • the first rotating shaft mechanism 123 or the second rotating shaft mechanism 133 is damaged, it is convenient for the maintenance personnel to disassemble the first rotating shaft mechanism 123 or the second rotating shaft mechanism 133 from the body 1, and connect it with the first guide.
  • the air deflector 121 or the second air deflector 131 can be replaced after being separated without replacing the entire body 1 , the first air deflector 121 or the second air deflector 131 , thereby reducing the maintenance cost of the indoor unit 100 .
  • only one wind deflector may be provided at the first air outlet 12 or the second air outlet 13 , which is not limited in the present disclosure.
  • FIG. 24 is a structure diagram of the body and the shaft of the indoor unit according to some embodiments.
  • the body 1 includes a receiving groove 14, and the first shaft mechanism 123 and the second shaft mechanism 133 are detachable.
  • the ground is provided at the corresponding receiving groove 14.
  • the receiving groove 14 can be arranged on the side wall (the following side wall) corresponding to the air outlet (ie, the first air outlet 12 or the second air outlet 13), and the shape of the receiving groove 14 can be consistent with the corresponding shaft mechanism (ie, the first air outlet 13).
  • the shape of the rotating shaft mechanism 123 or the second rotating shaft mechanism 133) is adapted.
  • Such setting facilitates the installation and disassembly of the first rotating shaft mechanism 123 and the second rotating shaft mechanism 133, and effectively utilizes the space of the body 1, so that the corresponding air guide plate (ie, the first air guide plate 121 or the second air guide plate 121 or the second air guide plate 121)
  • the layout of the plate 131) and the corresponding rotating shaft mechanism is more compact.
  • Fig. 23 is a cross-sectional view along line E-E in Fig. 21, and Fig. 25 is a structural diagram of a rotating shaft of an indoor unit according to some embodiments, as shown in Fig. 23 to Fig. 25, the first rotating shaft mechanism 123 or the second rotating shaft mechanism 133 includes a rotating shaft The main body 1231 , the shaft part 1232 and the matching part 1233 .
  • the rotating shaft body 1231 is arranged in the receiving groove 14, the rotating shaft part 1232 is arranged on one side of the rotating shaft body 1231, the rotating shaft part 1232 is pivotally connected with one end of the corresponding wind deflector, and the matching part 1233 is arranged on the other side of the rotating shaft body 1231,
  • the matching part 1233 is detachably connected with the body 1 . For example, as shown in FIG.
  • the rotating shaft part 1232 is arranged on the one end of the rotating shaft body 1231 close to the corresponding wind deflector (such as the first wind deflecting plate 121), and the one end of the first wind deflecting plate 121 and the rotating shaft part 1232 can be Pivotally connected, the matching portion 1233 is disposed on a side of the shaft body 1231 away from the one end of the first wind deflector 121 , and the matching portion 1233 extends along a direction perpendicular to the extending direction of the first wind deflector 121 . In this way, the structure of the first rotating shaft mechanism 123 and the second rotating shaft mechanism 133 is simple, and the processing is more convenient.
  • the first air outlet 12 or the second air outlet 13 includes an open state and a closed state.
  • Figure 32 is a front view of an indoor unit according to some embodiments
  • Figure 33 is a cross-sectional view along line G-G in Figure 32, as shown in Figure 14, Figure 32 and Figure 33, when the first air outlet 12 or the second air outlet 13 In the closed state, the two first air deflectors 121 or the two second air deflectors 131 are folded in the first air outlet 12 or the second air outlet 13; as shown in Figure 24, when the first air outlet 12 or When the second air outlet 13 is switched from the closed state to the open state, one end of the two first air deflectors 121 or one end of the two second air deflectors 131 rotate around the shaft part 1232, so that the two first air deflectors 121 The other end of the second air deflector 131 or the other end of the two second air deflectors 131 extend out of the first air outlet 12 or the second air outlet 13 .
  • the axial direction of the shaft portion 1232 is substantially parallel to the longitudinal direction of the body 1 .
  • the two first wind deflectors 121 or the two second wind deflectors 131 rotate around the corresponding rotating shaft parts 1232, the two first wind deflectors 121 or the two second wind deflectors 131 rotate along the direction perpendicular to the machine body 1. Rotate lengthwise.
  • the operation mode of the indoor unit 100 includes the first air outlet mode (for example, cooling mode),
  • the first air outlet mode for example, cooling mode
  • the two first air deflectors 121 rotate until their extension direction is substantially parallel to the horizontal plane
  • the two second air deflectors 131 rotate until their extension The direction is approximately parallel to the horizontal plane, so that the airflow blown out by the first air outlet 12 or the second air outlet 13 can be blown out in a direction approximately parallel to the horizontal plane.
  • the operation mode of the indoor unit 100 also includes a second air outlet mode (for example, heating mode).
  • a second air outlet mode for example, heating mode.
  • the two first air deflectors 121 Rotate to the point where its extension direction is substantially perpendicular to the horizontal plane, and/or, the two second wind deflectors 131 rotate to the point where their extension direction is substantially perpendicular to the horizontal plane.
  • the airflow blown out by the first air outlet 12 and the second air outlet 13 can be blown out vertically downward.
  • the first outer air guide plate 1212 and the first inner air guide plate 1211 are drawn from the outside of the first air outlet 12 to
  • the interior is arranged in sequence, for example, the first inner wind deflector 1211 is located on the rear side of the first outer wind deflector 1212, and the orthographic projection of the first inner wind deflector 1211 on the plane where the first air outlet 12 is located is located at the first The outer wind deflector 1212 is within the orthographic projection of the plane where the first air outlet 12 is located.
  • the second outer air deflector 1312 and the second inner air guide 1311 are arranged in sequence from the outside of the second air outlet 13 to the inside, for example, the second The inner wind deflector 1311 is located on the rear side of the second outer wind deflector 1312, and the orthographic projection of the second inner wind deflector 1311 on the plane where the second air outlet 13 is located is located at the second outer wind deflector 1312 at the second outlet.
  • the tuyere 13 is within the orthographic projection of the plane.
  • the shape of the first outer air deflector 1212 matches the shape of the first air outlet 12 , and when the indoor unit 100 is not working, the first outer air guide 1212 can be closed with the first air outlet 12 .
  • the shape of the second outer air deflector 1312 matches the shape of the second air outlet 13 , and when the indoor unit 100 is not working, the second outer air guide 1312 can be closed with the second air outlet 13 . In this way, when the indoor unit 100 is not working, the sealing performance of the first air outlet 12 and the second air outlet 13 can be effectively ensured, and sundries such as insects and dust can be prevented from entering the interior of the indoor unit 100 .
  • the first inner wind deflector 1211 is pivotably connected to the body 1 through the first shaft mechanism 123
  • the first outer wind deflector 1212 includes a first groove 1213
  • the first groove 1213 is configured to avoid the first shaft mechanism 123
  • the second inner wind deflector 1311 is pivotably connected with the body 1 through the second shaft mechanism 133
  • the second outer The wind deflector 1312 includes a second groove 1313 configured to avoid the second rotating shaft mechanism 133 .
  • one end of the first inner wind deflector 1211 is pivotally connected to the shaft part 1232 of the first shaft mechanism 123 , and the first groove 1213 is formed on the first outer wind deflector 1212 .
  • one end of the second inner wind deflector 1311 is pivotally connected to the shaft portion 1232 of the second shaft mechanism 133 , and the second groove 1313 is formed on the second outer wind deflector 1312 away from the second shaft mechanism 133 .
  • One end of the rotating shaft part 1232 so that when the second air outlet 13 is in the closed state, the problem that the second outer air guide plate 1312 cannot be closed with the second air outlet 13 due to the blocking of the second rotating shaft mechanism 133 can be avoided, and the The layout of the second inner wind deflector 1311 and the second outer wind deflector 1312 is compact.
  • the indoor unit 100 further includes a first electric control box 8 and a second electric control box 9 .
  • the first electric control box 8 is arranged between the body 1 and the first heat exchanger 4
  • the second electric control box 9 is arranged between the body 1 and the second heat exchanger 5, the first electric control box 8, the second electric control box
  • the control box 9 is coupled to the corresponding drive mechanism and the corresponding fan
  • the minimum distance between the surface of the first electric control box 8 and the surface of the first heat exchanger 4 is denoted as L1
  • the surface of the second electric control box 9 The minimum distance from the surface of the second heat exchanger 5 is denoted as L2, and L1 and L2 satisfy respectively: L1 is greater than or equal to 10 mm and less than or equal to 20 mm, and L2 is greater than or equal to 10 mm and less than or equal to 20 mm.
  • FIG. 11 is a structural diagram of the first air duct assembly and the second air duct assembly according to some embodiments
  • FIG. 12 is a cross-sectional view along line A-A in FIG. 11
  • FIG. 13 is the first air duct assembly shown in FIG.
  • the first air duct assembly 2 includes a first water receiving tank 22, and the first water receiving tank 22 is located at the second Below the heat exchanger 4, the second air duct assembly 3 includes a second water receiving tank 32, the second water receiving tank 32 is located below the second heat exchanger 5, the lower side wall of the first water receiving tank 22 and the bottom of the second water receiving tank 32
  • the lower side walls extend obliquely upward along the direction of the ends close to each other towards the ends far away from each other.
  • the first water receiving tank 22 includes a first drain hole 221 , and the first drain hole 221 is located in the first water receiving tank 22 along the height direction of the machine body 1 At the lowest position of the second water receiving tank 32 , the second drain hole 321 is located at the lowest position of the second water receiving tank 32 along the height direction of the body 1 .
  • the extension direction of the first air duct assembly 2 and the second air duct assembly 3 is roughly formed in a V shape, and the first drain hole 221 and the second drain hole 321 are located in the first air duct respectively.
  • the first water receiving tank 22 includes a first drain hole 221
  • the second water receiving tank 32 includes a second drain hole 321
  • the first drain hole 221 and the second drain hole 321 are separated by a predetermined distance.
  • the first water receiving tank 22 may also include a plurality of first drain holes 221
  • the second water receiving tank 32 may include a plurality of second drain holes 321
  • the present disclosure does not limit the number of the first drain holes 221 and the second water receiving tank 32. .
  • the condensed water dripping from the first heat exchanger 4 into the first water receiving tank 22 can flow along the lower side wall of the first water receiving tank 22 to the first drain hole 221, and then drip into the second water receiving tank from the second heat exchanger 5
  • the condensed water at 32 may flow along the lower sidewall of the second water receiving tank 32 to the second drain hole 321 , and finally be drained from the first drain hole 221 and the second drain hole 321 .
  • the condensed water dripping from the first heat exchanger 4 and the second heat exchanger 5 can be prevented from affecting the normal operation of other components (such as the first fan 6 and the second fan 7 ) in the body 1, and the indoor unit can be avoided. 100 leaks.
  • the first drain hole 221 and the second drain hole 321 are located at the lowest position, the water in the first water receiving tank 22 and the second water receiving tank 32 can be discharged through the corresponding first drain hole 221 and the second drain hole 321 , to avoid water storage in the first water receiving tank 22 and the second water receiving tank 32 .
  • the first water receiving tank 22 includes a first sub-water receiving tank 222 , a second sub-water receiving tank 223 and a third sub-water receiving tank 224 , and the first sub-water receiving tank 222 is located at the One side of the second sub-water receiving tank 223 near the ground (as the side), one end of the third sub-water receiving tank 224 is connected with an end of the first sub-water receiving tank 222, and the other end of the third sub-water receiving tank 224 is connected with the second sub-water receiving tank.
  • the first sub-water receiving tank 222 and the second sub-water receiving tank 223 are located on both sides (such as the upper side and the lower side) of the first fan 6 along the radial direction of the first fan 6, and the third sub-water receiving tank 224 is located at the first fan 6.
  • One end (for example, the left end) of the blower fan 6 away from the symmetry plane of the body 1 the first drainage hole 221 is formed at the end of the first sub-water receiving tank 222 away from the third sub-water receiving tank 224 .
  • the condensed water dripped into the third sub-water receiving tank 224 can flow into the first sub-water receiving tank 222, and with the condensed water dripped into the first sub-water receiving tank 222 The condensed water flows along the lower sidewall of the first sub-water receiving tank 222 toward the symmetrical plane of the machine body 1 , and is finally discharged through the first drain hole 221 .
  • the second water receiving tank 32 includes a fourth sub-water receiving tank 322, a fifth sub-water receiving tank 323 and a sixth sub-water receiving tank 324, and the fourth sub-water receiving tank 322 is located near the ground of the fifth sub-water receiving tank 323
  • One side (such as the side), one end of the sixth sub-water receiving tank 324 is connected with one end of the fourth sub-water receiving tank 322, the other end of the sixth sub-water receiving tank 324 is connected with one end of the fifth sub-water receiving tank 323, and the fourth sub-water receiving tank 324 is connected with one end of the fifth sub-water receiving tank 323.
  • the water tank 322 and the fifth sub-water receiving tank 323 are located on both sides of the second fan 7 along the radial direction of the second fan 7, and the sixth sub-water receiving tank 324 is located at one end (such as the right end) of the second fan 7 away from the symmetrical plane of the body 1,
  • the second drainage hole 321 is formed at an end of the fourth sub-water receiving tank 322 away from the sixth sub-water receiving tank 324 .
  • the second water receiving tank 32 and the first water receiving tank 22 are symmetrical to each other about a plane of symmetry perpendicular to the length direction of the body 1 .
  • the surface of the second heat exchanger 5 generates condensed water
  • the lower side wall of the second water receiving tank 32 moves from the end close to the first water receiving tank 22 to the end away from the first water receiving tank 22 , extend upwards obliquely, so the condensed water dripping into the fifth sub-water receiving tank 323 flows along the lower wall of the fifth sub-water receiving tank 323 toward the symmetrical plane of the body 1 .
  • the condensed water dripped into the sixth sub-water receiving tank 324 can flow into the fourth sub-water receiving tank 322, and with the condensed water dripped into the fourth sub-water receiving tank 322
  • the condensed water flows along the lower sidewall of the fourth sub-water receiving tank 322 toward the symmetrical plane of the machine body 1 , and is finally discharged through the second drain hole 321 .
  • the second sub-water tank 223 or the fifth sub-water tank 323 includes a third drain hole 2231 .
  • Third drain holes 2231 are respectively formed at ends close to each other of the second sub-water receiving tank 223 and the fifth sub-water receiving tank 323 .
  • setting the third drainage hole 2231 is beneficial to the second sub-water receiving tank 223 and the discharge of condensed water in the fifth sub-water receiving tank 323, so as to avoid water accumulation in the second sub-water receiving tank 223 and the fifth sub-water receiving tank 323, thereby ensuring the normal operation of the indoor unit 100.
  • the first air duct assembly 2 includes a first sub-slot 23 and a second sub-slot 24 , and the first sub-slot 23 and the second sub-slot 24 are along the length of the body 1
  • the directions are arranged sequentially, the first sub-slot 23, the second sub-slot 24 and the first water-receiving tank 22 are not connected to each other, the first wind wheel 61 is set in the first sub-slot 23, and the first motor 62 is set in the second sub-slot 24 Inside, the first drainage hole 221 is located between the first sub-groove 23 and the second sub-groove 24 .
  • the second air duct assembly 3 includes a third sub-slot 33 and a fourth sub-slot 34, the third sub-slot 33 and the fourth sub-slot 34 are arranged in sequence along the length direction of the body 1, the third sub-slot 33, the fourth sub-slot 34
  • the second water receiving tank 32 is not connected to each other, the second wind wheel 71 is arranged in the third sub-slot 33, the second motor 72 is arranged in the fourth sub-slot 34, and the second drainage hole 321 is located between the third sub-slot 33 and the second sub-slot. Between the four sub-slots 34.
  • FIG. 10 is an assembly diagram of the first fan, the second fan, the first air duct assembly, and the second air duct assembly according to some embodiments.
  • FIGS. 11 to 13 the first sub-slot 23
  • the shape of the second sub-slot 24 is adapted to the shape of the first motor 62
  • the shape of the third sub-slot 33 is adapted to the shape of the second wind wheel 71
  • the shape of the fourth sub-slot 34 is adapted to the shape of the second motor 72 .
  • the first sub-groove 23 can be fully utilized. and the space between the second sub-tank 24 and the space between the third sub-tank 33 and the fourth sub-tank 34, and while effectively discharging the condensed water generated by the first heat exchanger 4 and the second heat exchanger 5 , can make the processing of the first drainage hole 221 and the second drainage hole 321 more convenient.
  • Fig. 31 is another assembly drawing of two air duct assemblies, two heat exchangers, two fans, refrigerant control device, first connector and second connector of the indoor unit shown in Fig. 29, as shown in Fig. 3,
  • the first motor 62 and the second motor 72 are located between the first wind wheel 61 and the second wind wheel 71 . So set, the first motor 62 and the second motor 72 can effectively use the space between the first heat exchanger 4 and the second heat exchanger 5, so that the structure of the first fan 6 and the second fan 7 is more compact, saving the second The space occupied by the first blower 6 and the second blower 7 can reduce the volume of the indoor unit 100 , thereby effectively reducing the difficulty of installing and disassembling the indoor unit 100 .
  • the first wind wheel 61 and the second wind wheel 71 are located between the first motor 62 and the second motor 72 .
  • the first motor 62 and the second motor 72 do not need to occupy the space between the first wind wheel 61 and the second wind wheel 71, and the area between the first wind wheel 61 and the second wind wheel 71 can communicate, so that only Only one drain pipe is needed to drain the condensed water generated by the first heat exchanger 4 and the second heat exchanger 5, which makes the structure of the indoor unit 100 simpler and easier to process.
  • one of the first motor 62 and the second motor 72 may be located between the first wind wheel 61 and the second wind wheel 71 , and the other of the first wind wheel 61 and the second wind wheel 71 One can be located on the side of the first wind wheel 61 away from the second wind wheel 71 or on the side of the second wind wheel 71 away from the first wind wheel 61 .
  • the first motor 62 is connected to the right end of the first wind wheel 61
  • the second motor 72 is connected to the right end of the second wind wheel 71; when the first motor 62 is connected to the left end of the first wind wheel 61, the second The motor 72 is also connected to the left end of the second wind wheel 71 .
  • the position of the first motor 62 relative to the first wind wheel 61 and the position of the second motor 72 relative to the second wind wheel 71 can be the same, so that the structures of the first fan 6 and the second fan 7 can be the same, so that The structure of the first motor 62 and the second motor 72 can be the same, and the structure of the first wind wheel 61 and the second wind wheel 71 can be completely the same, that is to say, the first motor 62 and the second motor 72 can use the same parts , the first wind wheel 61 and the second wind wheel 71 can use the same parts, which can effectively reduce the types of parts of the entire indoor unit 100, making the structure of the indoor unit 100 simpler. Moreover, the first blower 6 and the second blower 7 arranged in this way can be completely used for the same purpose.
  • FIG. 8 is an exploded view of the first heat exchanger and the second heat exchanger shown in FIG. 7.
  • the heat exchange end plate 51 and the first connecting piece 42 are connected through the first connecting piece 42, so that the connection between the first heat exchanger 4 and the second heat exchanger 5 can be realized, ensuring that the first heat exchanger 4 and the stability of the relative position of the second heat exchanger 5, and can effectively avoid damage to the fins of the heat exchanger when the first connecting piece 42 is installed, so that the first heat exchanger 4 and the second heat exchanger can be effectively guaranteed
  • first connecting piece 42 is spaced apart from the respective refrigerant pipes on the first heat exchanger 4 and the second heat exchanger 5, so that interference between the first connecting piece 42 and the cooling coal pipe can be avoided.
  • the first connecting member 42 is also connected to the first air duct assembly 2 and the second air duct assembly 3, and the first motor 62 and the second motor 72 are located between the first air duct assembly 2 and the second air duct assembly. Between the two air duct assemblies 3 , the first connecting member 42 presses the first motor 62 and the second motor 72 onto the first air duct assembly 2 and the second air duct assembly 3 respectively.
  • the first connecting member 42 includes a plurality of installation holes 422 and two assembly grooves 423 . The shape of each fitting slot 423 matches the shape of the first motor 62 or the second motor 72 .
  • the first motor 62 and the second motor 72 can be respectively arranged in an assembly groove 423, and then a plurality of threaded fasteners such as screws etc. are respectively passed through the plurality of installation holes 422 of the first connector 42, One end of the first connecting piece 42 is fixed on one side of the first air duct assembly 2, and the other end of the first connecting piece 42 is fixed on one side of the second air duct assembly 3. At this moment, the first connecting piece 42 connects the first air duct assembly A motor 62 and a second motor 72 press between the first air duct assembly 2 and the second air duct assembly 3 .
  • the relative position stability of the first motor 62 and the second motor 72 can be effectively ensured, and the installation method of the first motor 62 and the second motor 72 can be simplified, and the assembly efficiency of the indoor unit 100 can be improved.
  • the first connecting member 42 includes at least one wire passage opening 421 , and the at least one wire passage opening 421 is disposed at a position corresponding to the electrical connection wire of the first motor 62 or the second motor 72 in the mounting groove 423 .
  • the first connecting member 42 includes two wire passage openings 421 , and each assembly groove 423 is provided with a wire passage opening 421 .
  • the electrical connection wires of the first motor 62 and the second motor 72 pass through the corresponding wire passing opening 421 .
  • Such setting facilitates the wiring of the motor connecting wires, shortens the length of the electrical connecting wires, and reduces the cost of the indoor unit 100 .
  • the first connecting member 42 includes at least one shielding structure 424 .
  • the at least one shielding structure 424 is connected with the fitting groove 423 .
  • each wire passage opening 421 is provided with a shielding structure 424 .
  • the shielding structure 424 includes at least one of a shielding protrusion 4211 and a shielding edge 4212. Referring to FIG. 8, FIG. 18 and FIG. One side of the heat exchanger 4 and the second heat exchanger 5.
  • the shielding structure 424 can protect the electrical connection wires at the wire passage opening 421 , and can prevent the condensed water on the heat exchanger from dripping on the electrical connection wires to cause a short circuit of the first motor 62 or the second motor 72 .
  • two shielding sides 4212 are arranged on two opposite side walls of the wire passage opening 421 , and the shielding sides 4212 are substantially perpendicular to the plane where the wire passage opening 421 is located.
  • two wire passage openings 421 are formed on the first connecting member 42
  • a shielding protrusion 4211 is formed on a side of each wire passage opening 421 close to the corresponding heat exchanger.
  • shielding edges 4212 are provided on opposite two side walls (such as the left side wall and the right side wall) of each wire passage opening 421 .
  • the shielding structure 424 can protect the electrical connection wires from multiple directions (such as the upper side, the left side, and the right side), thereby preventing condensation water from dripping on the electrical connection wires or flowing into the assembly groove 423 to cause the first motor to 62 or the second motor 72 short circuit.
  • FIG. 30 is an assembly diagram of two air duct assemblies, two heat exchangers, two fans, a refrigerant control device, a first connecting piece and a second connecting piece of the indoor unit shown in FIG. 29 ,
  • the indoor unit 100 further includes a second connecting member 43 .
  • the second connecting piece 43 is arranged between the first heat exchange end plate 41 and the second heat exchange end plate 51 , and the second connecting piece 43 is arranged on the side of the first connecting piece 42 away from the first air duct assembly 2 and the second air duct
  • the second connecting piece 43 is fixedly connected to the first heat exchange end plate 41 and the second heat exchange end plate 51 .
  • first connecting piece 42 and the second connecting piece 43 can be fixedly connected to the first heat exchanger 4 and the second heat exchanger 5 from both sides (such as the upper side and the lower side), so that the first heat exchanger can be guaranteed 4 and the stability of the relative position of the second heat exchanger 5.
  • the material of the first connecting member 42 may be plastic.
  • the material of the first connecting member 42 is high impact polystyrene (High Impact Polystyrene, HIPS).
  • the first connecting piece 42 can be integrally injection molded, so that the production efficiency of the first connecting piece 42 can be effectively improved.
  • the second connecting member 43 may be made of at least one metal material.
  • the second connecting piece 43 may be a galvanized sheet with a thickness of 1.2mm, and the galvanized sheet may be processed into the second connecting piece 43 by stamping.
  • FIG. 29 is a rear view of an indoor unit according to some embodiments.
  • the first heat exchanger 4 includes a first refrigerant liquid pipe 44 and at least A first refrigerant gas pipe 45
  • the second heat exchanger 5 includes a second refrigerant liquid pipe 52 and at least one second refrigerant gas pipe 53
  • the indoor unit 100 also includes a first indoor connection pipe 451 and a second indoor connection pipe 452 .
  • the first indoor connection pipe 451 communicates with the first refrigerant gas pipe 45 and the second refrigerant gas pipe 53, and one end of the first indoor connection pipe 451 and one end of the second indoor connection pipe are located at the first heat exchanger 4 and the second heat exchanger 5 Between, the other end of the first indoor connection pipe 451 and the other end of the second indoor connection pipe 452 are connected to the outdoor unit 200 .
  • the indoor unit 100 also includes a refrigerant control device 46.
  • the refrigerant control device 46 is arranged between the first heat exchanger 4 and the second heat exchanger 5.
  • the refrigerant control device 46 includes a first refrigerant port 461, a second refrigerant port 462 and a second refrigerant port.
  • the three refrigerant ports 463 , the first refrigerant port 461 , the second refrigerant port 462 and the third refrigerant port 463 are all formed on the lower side of the refrigerant control device 46 .
  • the second refrigerant port 462 is connected to the first refrigerant liquid pipe 44
  • the third refrigerant port 463 is connected to the second refrigerant liquid pipe 52
  • the refrigerant control device 46 is configured to control the first refrigerant port 461, the second refrigerant port 462 and the third refrigerant port 462. At least one of the refrigerant ports 463 communicates.
  • the refrigerant control device 46 can control the first refrigerant port 461 to communicate with only one of the second refrigerant port 462 and the third refrigerant port 463, and at this time the corresponding one of the first heat exchanger 4 and the second heat exchanger 5 works or, the refrigerant control device 46 can control the first refrigerant port 461 to communicate with the second refrigerant port 462 and the third refrigerant port 463 at the same time, at this time the first heat exchanger 4 and the second heat exchanger 5 are both working.
  • the refrigerant control device 46 can control the first refrigerant port 461 to only communicate with the second refrigerant port.
  • Port 462 communicates with one of the third refrigerant ports 463, at this time, the corresponding one of the first heat exchanger 4 and the second heat exchanger 5 works, and the fan corresponding to the above-mentioned working heat exchanger works, and the above-mentioned The air outlet corresponding to the working heat exchanger is opened.
  • the heat exchanger (the first heat exchanger 4 or the second heat exchanger 5) in the working state is the heat exchanger corresponding to the side where the user is located.
  • the indoor unit 100 is in cooling mode, and the user is located in the machine body 1
  • the refrigerant control device 46 controls the first refrigerant port 461 to only communicate with the second refrigerant port 462, and the refrigerant in the second indoor connection pipe 452 connected to the outdoor unit 200 passes through the first refrigerant port 461, the second refrigerant port
  • the second refrigerant port 462 and the first refrigerant liquid pipe 44 flow into the first heat exchanger 4 and exchange heat with the air near the first heat exchanger 4 .
  • the air outlet 12 blows into the room, so that the temperature in the area where the user is located can be quickly adjusted, and the energy consumption of the indoor unit 100 can be reduced.
  • the refrigerant after heat exchange in the first heat exchanger 4 flows to the outdoor unit through the first refrigerant gas pipe 45 and the first indoor connection pipe 451 .
  • the working heat exchanger can also be the heat exchanger on the opposite side of the area where the user is located.
  • the refrigerant port 461 is only connected to the third refrigerant port 463, and the refrigerant in the second indoor connection pipe 452 connected to the outdoor unit flows into the second heat exchange through the first refrigerant port 461, the third refrigerant port 463 and the second refrigerant liquid pipe 52. 5, and exchange heat with the air near the second heat exchanger 5, the air after heat exchange is blown into the room through the second air outlet 13 under the action of the second fan 7, so as to avoid direct airflow to the user.
  • the refrigerant after heat exchange in the second heat exchanger 5 flows to the outdoor unit through the second refrigerant gas pipe 53 and the first indoor connection pipe 451 .
  • the refrigerant control device 46 can control the first refrigerant port 461 to communicate with the second refrigerant port 462 and the third refrigerant port 463 at the same time.
  • the first heat exchanger 4 and the second heat exchanger 5 work at the same time
  • the first fan 6 and the second fan 7 work at the same time
  • both the first air outlet 12 and the second air outlet 13 are opened, so that the indoor temperature can be quickly adjusted. It can be understood that the working states of the first heat exchanger 4 and the second heat exchanger 5 can be set according to the actual needs of users, which is not limited in the present disclosure.
  • the diversion of the refrigerant can be realized, so that the refrigerant flowing in from the same first refrigerant port 461 can pass through the second air outlet 461.
  • the refrigerant port 462 and the third refrigerant port 463 flow into the first heat exchanger 4 and the second heat exchanger 5 respectively, so that the first heat exchanger 4 and the second heat exchanger 5 work simultaneously.
  • the communication and isolation of the first refrigerant port 461, the second refrigerant port 462, and the third refrigerant port 463 can be controlled by the refrigerant control device 46 to realize the independent work of the first heat exchanger 4 and the second heat exchanger 5, thereby increasing the The air outlet mode of the indoor unit 100.
  • the first indoor connection pipe 451, the refrigerant control device 46 and the second indoor connection pipe 452 are arranged so that the distance between the refrigerant control device 46 and the first heat exchanger 4 and the second heat exchanger 5 is uniform. Smaller, so as to facilitate the connection of the second refrigerant port 462 and the first refrigerant liquid pipe 44 , and the third refrigerant port 463 and the second refrigerant liquid pipe 52 .
  • an escape opening 35 is defined between the tops of the first air duct assembly 2 and the second air duct assembly 3 , through which the first indoor connecting pipe 451 and the second indoor connecting pipe 452 pass. Avoid exit 35.
  • a first opening 351 is formed on the side of the first air duct assembly 2 close to the second air duct assembly 3
  • a first opening 351 is formed on the side of the second air duct assembly 3 adjacent to the first air duct assembly 2 .
  • the two openings 352 , the first opening 351 and the second opening 352 together constitute the avoidance opening 35 .
  • Such setting facilitates the direction arrangement of the first indoor connecting pipe 451 and the second indoor connecting pipe 452, and can avoid the first indoor connecting pipe 451 and the second indoor connecting pipe 452 being in contact with the first air duct assembly 2 and the second air duct.
  • Components 3 interact with each other.
  • the first fan 6 and the second fan 7 are arranged below the refrigerant control device 46, by setting the avoidance port 35 between the tops of the first air duct assembly 2 and the second air duct assembly 3, the first The indoor connection pipe 451 and the second indoor connection pipe 452 interact with the first fan 6 and the second fan 7, and the first refrigerant port 461, the second refrigerant port 462 and the third refrigerant port 463 are all set in the refrigerant control
  • the bottom of the device 46 can avoid the interaction between the first refrigerant liquid pipe 44 and the second refrigerant liquid pipe 52 and the first indoor connection pipe 451 and the second indoor connection pipe 452, and can make the layout of each pipeline more reasonable.
  • FIG. 26 is an assembly diagram of a first air duct assembly, a second air duct assembly, and two sweeping air assemblies according to some embodiments
  • FIG. 27 is an assembly diagram of a sweeping air assembly and an air duct assembly according to some embodiments. Partial enlarged view
  • FIG. 28 is a structural diagram of a wind sweeping assembly according to some embodiments.
  • the assembly 211 is arranged in the corresponding first air outlet channel 21 or the second air outlet channel 31 , and each air sweeping assembly 211 includes a drive motor 2111 , a swing arm 2112 , a connecting rod 2113 and a plurality of air sweeping blades 2114 sequentially connected.
  • the drive motor 2111 is fixed on the corresponding air duct assembly (for example, the first air duct assembly 2 or the second air duct assembly 3).
  • the drive motor 2111 drives the swing arm 2112 to swing, and the swing arm 2112 drives the connecting rod 2113 moves left and right to drive a plurality of sweeping blades 2114 on the connecting rod 2113 to swing left and right.
  • a plurality of sweeping blades 2114 are arranged in sequence along the length direction of the connecting rod 2113 according to preset distances, the swing arm 2112 is connected to one end of the connecting rod 2113, and the output shaft of the driving motor 2111 is connected to the swinging arm 2113.
  • the arms 2112 are connected.
  • the drive motor 2111 rotates to drive the swing arm 2112 to swing, so that the swing arm 2112 can drive the connecting rod 2113 to move left and right so that the multiple sweeping blades 2114 on the connecting rod 2113 move left and right.
  • the drive motor 2111 is located below the corresponding air outlet channel (such as the first air outlet channel 21 or the second air outlet channel 31), the corresponding air outlet channel (such as the first air outlet channel 21 or the second air outlet channel 31) can be effectively used.
  • the lower space of the air outlet channel 21 or the second air outlet channel 31 makes the layout of the indoor unit 100 more compact, saving the need to arrange the drive motor 2111 in the corresponding air outlet channel (such as the first air outlet channel 21 or the second air outlet channel).
  • the length of the indoor unit 100 can be relatively shortened, reducing The occupied space of the indoor unit 100 is reduced.
  • the first air duct assembly 2 or the second air duct assembly 3 includes a first installation slot 25, and the first installation slot 25 is located in the corresponding air outlet channel (such as the first Below the air outlet channel 21 or the second air outlet channel 31 ), the driving motor 2111 is arranged in the first installation slot 25 .
  • the first mounting groove 25 is formed on the side of the corresponding air outlet channel away from the other air outlet channel (such as the left side of the first air outlet channel 21 or the second air outlet channel).
  • the right side of the channel 31 ) and the first installation slot 25 extends in a direction away from the first air outlet 12 and the second air outlet 13 .
  • the first mounting groove 25 can protect the driving motor 2111, avoiding the driving motor 2111 from being damaged, and setting the driving motor 2111 under the air outlet channel can effectively separate the driving motor 2111 from the air outlet channel,
  • the air outlet area of the air outlet is guaranteed, and the space under the air outlet channel is effectively used;
  • the driving motor 2111 is separated from other surrounding parts by using the first installation slot 25, which can effectively prevent the driving motor 2111 from being separated from other surrounding parts.
  • the components interact with each other, and can ensure the cleanliness of the driving motor 2111, prolonging the service life of the driving motor 2111.
  • the connecting rod 2113 includes a connecting rod body 2113A and a sliding part 2113B.
  • the connecting rod body 2113A is connected to a plurality of sweeping blades 2114 .
  • the end of the connecting rod body 2113A close to the swing arm 2112 is connected to the sliding part 2113B.
  • the extending direction of the connecting rod body 2113A intersects the extending direction of the sliding portion 2113B, for example, the extending direction of the connecting rod body 2113A is substantially perpendicular to the extending direction of the sliding portion 2113B.
  • the swing arm 2112 includes a fixed part 2117, a swing arm body 2116 and an offset part 2118 connected in sequence.
  • One end of the fixed part 2117 extends into the first installation groove 25 and is fixedly connected with the output shaft 2111A of the drive motor 2111.
  • the fixed part 2117 The other end is fixedly connected with the swing arm body 2116 .
  • the offset part 2118 is disposed eccentrically with respect to the central axis of the output shaft 2111A of the drive motor 2111 , and one end of the offset part 2118 is fixedly connected to the swing arm body 2116 .
  • the sliding part 2113B includes a fitting hole 2115, and the extending direction of the fitting hole 2115 is consistent with the extending direction of the sliding part 2113B.
  • the offset portion 2118 passes through the fitting hole 2115 , and the offset portion 2118 is slidably connected to the sliding portion 2113B through the fitting hole 2115 .
  • the offset portion 2118 is connected to the outer peripheral surface of the swing arm body 2116, and the other end of the offset portion 2118 extends obliquely away from the fixed portion 2117, and the swing arm 2112 also includes a matching Tongue 2112A, the matching tongue 2112A is arranged on the other end of the offset part 2118, the matching tongue 2112A is engaged with the matching hole 2115, and the matching tongue 2112A is slidably connected with the sliding part 2113B through the matching hole 2115, so that when the swing arm 2112 swings Drive the connecting rod 2113 to move left and right along the length direction of the first air outlet 12 or the second air outlet 13, so that a plurality of sweeping blades 2114 on the connecting rod 2113 swing left and right to change the air flow of the first air outlet 12 or the second air
  • the indoor unit 100 further includes a detection device 10 .
  • the detection device 10 is arranged between the first air outlet 12 and the second air outlet 13, the body 1 also includes a second installation groove 15, the detection device 10 is arranged in the second installation groove 15, and the detection device 10 is rotatably connected with the body 1 .
  • the detection device 10 is configured to detect the activity signal of the human body, so that the indoor unit 100 can switch the operation mode of the indoor unit 100 according to the activity signal.
  • the indoor unit 100 can control only the first heat exchanger 4 and the first When the fan 6 is working, only the first air outlet 12 is opened at this time, and the air after heat exchange is blown from the first air outlet 12 to the room through the first air outlet channel 21, so as to adjust the temperature in the room on the left side of the symmetrical plane of the body 1
  • the indoor unit 100 can also control only the second heat exchanger 5 and the second fan 7 to work, at this time only the second air outlet 13 is opened, and the air after heat exchange passes through the second air outlet channel 31 from the second air outlet 13 is blown to indoor, is positioned at the temperature of the right area of body 1 symmetrical plane indoors to regulate.
  • the indoor unit 100 controls the first heat exchanger 4 and the second heat exchanger 5 to work simultaneously, And when the first blower fan 6 and the second blower blower 7 work at the same time, the first air outlet 12 and the second air outlet 13 are opened at the same time, and the air after heat exchange passes through the first air outlet channel 21 and the second air outlet channel 31 from the first air outlet channel 21 and the second air outlet channel 31 respectively.
  • the air outlet 12 and the second air outlet 13 blow into the room, which can effectively improve the heat exchange efficiency of the indoor unit 100, so that the indoor temperature can be quickly adjusted.
  • the detection device 10 detects the human body activity signal and the indoor unit 100 determines that the human body is dynamically moving indoors, the sweeping components 211 in the first air outlet channel 21 and the second air outlet channel 31 can swing left and right, so that The direction of the airflow blown out by the first air outlet 12 or the second air outlet 13 can dynamically change following the user.
  • the operation mode of the indoor unit 100 is switched to a low-frequency energy-saving mode.
  • multiple operating modes of the indoor unit 100 can be set, so as to better meet different needs of different users, and effectively reduce energy consumption of the indoor unit 100 when no one is active indoors.

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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)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air-Flow Control Members (AREA)

Abstract

La présente invention concerne une unité intérieure (100). L'unité intérieure (100) comprend un corps unitaire (1), un premier ensemble conduit d'air (2), un second ensemble conduit d'air (3), un premier échangeur de chaleur (4), un second échangeur de chaleur (5), un premier ventilateur (6) et un second ventilateur (7). Le corps unitaire (1) comprend une entrée d'air (11), une première sortie d'air (12) et une seconde sortie d'air (13), la première sortie d'air (12) et la seconde sortie d'air (13) étant disposées l'une à la suite de l'autre dans la direction horizontale, et la première sortie d'air (12) et la seconde sortie d'air (13) s'étendent de manière oblique vers un côté à l'opposé du sol, le long d'une extrémité proche l'une de l'autre vers une extrémité à l'opposé l'une de l'autre. Le premier ensemble conduit d'air (2) et le second ensemble conduit d'air (3) sont tous deux disposés dans le corps unitaire (1) ; le premier ensemble conduit d'air (2) comprend un premier canal de sortie d'air (21), le premier canal de sortie d'air (21) étant en communication avec la première sortie d'air (12) ; le second ensemble conduit d'air (3) comprend un second canal de sortie d'air (31), le second canal de sortie d'air (31) étant en communication avec la seconde sortie d'air (13) ; et le second canal de sortie d'air (31) et le premier canal de sortie d'air (21) étant agencés indépendamment l'un de l'autre. Par conséquent, l'angle d'alimentation en air de l'unité intérieure (100) peut être augmenté, et la plage d'alimentation en air de l'unité intérieure (100) peut être étendue.
PCT/CN2022/100249 2021-06-21 2022-06-21 Unité intérieure et climatiseur WO2022268091A1 (fr)

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CN202110686973.5 2021-06-21
CN202110686973.5A CN113310111A (zh) 2021-06-21 2021-06-21 空调器室内机
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