CN216693755U - Wall-mounted air conditioner indoor unit - Google Patents

Wall-mounted air conditioner indoor unit Download PDF

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Publication number
CN216693755U
CN216693755U CN202122528705.9U CN202122528705U CN216693755U CN 216693755 U CN216693755 U CN 216693755U CN 202122528705 U CN202122528705 U CN 202122528705U CN 216693755 U CN216693755 U CN 216693755U
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CN
China
Prior art keywords
air
inlet
fan
indoor unit
fresh air
Prior art date
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Active
Application number
CN202122528705.9U
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Chinese (zh)
Inventor
鲁镇语
张丽
李英舒
王永涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—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
    • F24F1/0022—Centrifugal or radial fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air-Flow Control Members (AREA)
  • Air Conditioning Control Device (AREA)
  • Duct Arrangements (AREA)

Abstract

The utility model provides a wall-mounted air conditioner indoor unit, which comprises: the indoor air enters the heat exchange cavity to exchange heat with the heat exchanger to form heat exchange airflow; and the fresh air fan is arranged in the shell and provided with a first inlet and a second inlet, wherein the first inlet is communicated with the outside so that outdoor air enters the fresh air fan through the first inlet, and the second inlet is communicated with the heat exchange cavity so that the air entering the heat exchange cavity enters the fresh air fan through the second inlet. The wall-mounted air conditioner indoor unit reduces the power consumption of the fresh air fan when the fresh air fan provides the same air quantity, and the air outlet is more comfortable.

Description

Wall-mounted air conditioner indoor unit
Technical Field
The utility model relates to the technical field of air conditioning, in particular to a wall-mounted air conditioner indoor unit.
Background
With the popularization of air conditioners, users have higher and higher requirements on the comfort and health of air supply. The existing air conditioner with fresh air function is mostly a single fresh air inlet, and the air inlet volume is limited. Meanwhile, outdoor fresh air generally directly enters the room after being simply filtered, and can cause large fluctuation of indoor temperature and discomfort for users under the condition of large indoor and outdoor temperature difference.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wall-mounted air conditioner indoor unit with increased air intake and fresh air fans.
A further object of the present invention is to pre-mix outdoor air before discharging it into the room to improve the comfort of the air outlet.
In particular, the present invention provides a wall-mounted air conditioning indoor unit, comprising:
the heat exchanger comprises a shell, a heat exchange cavity and a heat exchange fan, wherein the heat exchange cavity is formed in the shell, the heat exchange cavity is internally provided with the heat exchanger and the heat exchange fan, and air enters the heat exchange cavity to exchange heat with the heat exchanger to form heat exchange airflow; and
the new trend fan sets up in the casing, and the new trend fan has first entry and second entry, and wherein in first entry and outdoor intercommunication made outdoor air to get into the new trend fan through first entry, the second entry and heat transfer chamber intercommunication make the air that gets into the heat transfer chamber get into in the new trend fan through the second entry.
Optionally, the fresh air fan and the heat exchange cavity are arranged in the casing in sequence along the transverse direction.
Optionally, a fan accommodating groove is formed on the framework of the casing, and the heat exchange fan is arranged in the fan accommodating groove;
the fresh air fan is arranged between the side end covers of the framework and the casing, a butt joint port is formed in the side wall, close to the fresh air fan, of the framework, and the second inlet is in butt joint with the butt joint port.
Optionally, the casing of the fresh air fan is divided into two communicated chambers, including a fan chamber provided with a fan and a motor, and a filter screen chamber provided with a filter screen, wherein the lower part of the casing on one side of the filter screen chamber is provided with a first inlet, and the side wall is provided with a second inlet.
Optionally, an opening degree adjusting mechanism is arranged at the second inlet and used for adjusting the opening degree of the second inlet.
Optionally, the opening degree adjustment mechanism includes: the motor is fixed with the shell of the fresh air fan, an output shaft of the motor is connected with the baffle, and the baffle is driven by the motor to shield part or all of the second inlet to realize opening adjustment.
Optionally, a fresh air outlet is formed in the top of the casing;
the fresh air fan has a first outlet, and the first outlet is arranged towards the fresh air outlet.
Optionally, the fresh air fan further has a second outlet;
the air conditioning indoor unit further comprises: and the additional air duct is provided with an air inlet and an air outlet, the additional air duct is connected with the machine shell, the air outlet is positioned outside the machine shell, and the second outlet is communicated with the air inlet.
Optionally, the bottom of the front side of the casing is provided with a heat exchange airflow outlet extending along the transverse direction;
the additional air duct is provided with a main body part extending along the transverse direction and at least one side end part extending along the longitudinal direction, an air outlet extending along the transverse direction is formed in the front side of the main body part, the side end parts are located on the left side and the right side of the main body part, an air inlet is formed in the side end parts, and the fresh air fan is arranged above the air inlet.
Optionally, the main body part is arranged below the casing at intervals to form a drainage air duct between the additional air duct and the casing.
The wall-mounted air conditioner indoor unit of the utility model comprises: the fresh air fan is provided with a first inlet and a second inlet, the first inlet is communicated with the outside so that outdoor air enters the fresh air fan through the first inlet, the second inlet is communicated with the heat exchange cavity so that the air entering the heat exchange cavity enters the fresh air fan through the second inlet, airflow can be introduced into the fresh air fan through the two inlets, and the air intake of the fresh air fan is increased; the resistance of a single inlet is reduced due to the existence of the plurality of inlets, and the power consumption of the fresh air fan for providing the same air volume is reduced; through with first entry and outdoor intercommunication, second entry and heat transfer chamber intercommunication for can come to carry out the preliminary treatment to the outdoor air through the air that gets into the heat transfer chamber through introducing in new trend fan, under the great situation of indoor outer difference in temperature, new trend fan exhaust air can not supercool or overheat, promotes the air-out travelling comfort.
Furthermore, the air-conditioning indoor unit of the utility model adjusts the opening degree of the second inlet by arranging the opening degree adjusting mechanism at the second inlet, so that the amount of air introduced into the heat exchange cavity in the fresh air fan can be adjusted, the composition of the air outlet flow of the fresh air fan can be controlled according to different requirements, and the use experience of users is further improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an air conditioning indoor unit according to an embodiment of the present invention.
Fig. 2 is a perspective view of a fresh air blower of the indoor unit of the air conditioner shown in fig. 1.
Fig. 3 is another perspective view of the fresh air blower of the indoor unit of the air conditioner shown in fig. 1.
Fig. 4 is an exploded view of the indoor unit of the air conditioner shown in fig. 1.
Fig. 5 is a partially enlarged schematic view of a frame of the air conditioning indoor unit shown in fig. 4.
Detailed Description
The present invention provides a wall-mounted indoor unit 900 of an air conditioner, which is generally an indoor unit 900 of an air conditioner used while being hung on a wall or other support position.
Fig. 1 is a schematic view of an air conditioning indoor unit 900 according to an embodiment of the present invention. Fig. 2 is a perspective view of the fresh air blower 200 of the indoor unit 900 of the air conditioner shown in fig. 1. Fig. 3 is another perspective view of the fresh air blower 200 of the indoor unit 900 of the air conditioner shown in fig. 1. Fig. 4 is an exploded view of the indoor unit 900 of the air conditioner shown in fig. 1. Fig. 5 is a partially enlarged schematic view of the frame 106 of the air conditioning indoor unit 900 shown in fig. 4.
The wall-mounted air conditioner indoor unit 900 according to the embodiment of the present invention includes: a casing 100 and a fresh air fan 200. A heat exchange cavity 107 is formed in the casing 100, a heat exchanger 104 and a heat exchange fan 105 are arranged in the heat exchange cavity 107, and air enters the heat exchange cavity 107 to exchange heat with the heat exchanger 104 to form heat exchange airflow. The fresh air blower 200 is disposed in the casing 100, and the fresh air blower 200 has a first inlet 211 and a second inlet 212, wherein the first inlet 211 is communicated with the outdoor so that the outdoor air enters the fresh air blower 200 through the first inlet 211, and the second inlet 212 is communicated with the heat exchange cavity 107 so that the air entering the heat exchange cavity 107 enters the fresh air blower 200 through the second inlet 212. The wall-mounted air conditioner indoor unit 900 of the embodiment of the present invention is configured to include: the fresh air fan 200 is provided with a first inlet 211 and a second inlet 212, the first inlet 211 is communicated with the outside so that outdoor air enters the fresh air fan 200 through the first inlet 211, the second inlet 212 is communicated with the heat exchange cavity 107 so that the air entering the heat exchange cavity 107 enters the fresh air fan 200 through the second inlet 212, and airflow can be introduced into the fresh air fan 200 through the two inlets so as to increase the air intake of the fresh air fan 200; the existence of the plurality of inlets also reduces the resistance of a single inlet, and reduces the power consumption when the fresh air fan 200 provides the same air volume; through communicating first inlet 211 with outdoor, second inlet 212 communicates with heat transfer chamber 107 for can come to carry out the preliminary treatment to the outdoor air that introduces through first inlet through the air that gets into heat transfer chamber 107 in new trend fan 200, under the great situation of indoor outer difference in temperature, the air that new trend fan 200 discharged can not supercool or overheat, promotes the air-out travelling comfort.
In some embodiments, the fresh air fan 200 and the heat exchange cavity 107 of the indoor unit 900 of the air conditioner of the embodiment of the present invention are sequentially disposed in the casing 100 along the transverse direction. Through setting gradually new trend fan 200 and heat transfer chamber 107 along transversely in casing 100 for only need in casing 100 in one horizontal lateral part of heat transfer chamber 107 leave hold new trend fan 200 can, do not occupy casing 100 in the space of fore-and-aft direction, make things convenient for the intercommunication of second entry 212 and heat transfer chamber 107 simultaneously.
As shown in fig. 1 and 4, a heat exchange airflow outlet 101 is formed in a casing 100 of an air conditioning indoor unit 900 according to an embodiment of the present invention, so that a heat exchange airflow in the casing 100 is forced to be sent out through the heat exchange airflow outlet 101 by a heat exchange fan 105. The heat exchanger 104 may exchange heat with an air stream flowing therethrough, thereby generating a heat exchange air stream. The heat exchange fan 105 may cause the heat exchange air flow within the enclosure 100 to be sent out through the heat exchange air flow outlet 101. The enclosure 100 may generally include a housing 109, a skeletal frame 106, and side end caps 108. The front side of the cover 109 is provided with a front panel 111. The top of the housing 109 is provided with an air inlet 102. The air flow entering the cabinet 100 through the air inlet 102 reaches the heat exchange air flow outlet 101 after heat exchange with the heat exchanger 104. The frame 106 is used for supporting the heat exchanger 104 and the heat exchange fan 105. The indoor unit 900 may further include a wind deflector 110 disposed at the heat exchange airflow outlet 101, and the like. The heat exchanger 104 may be a tri-fold heat exchanger. The heat exchanging fan 105 may be a cross flow fan.
In some embodiments, a fan receiving groove is formed on the frame 106 of the casing 100, and the heat exchange fan 105 is disposed in the fan receiving groove; the fresh air blower 200 is disposed between the framework 106 and the side end cap 108 of the casing 100, a docking port 160 is disposed on a side wall of the framework 106 adjacent to the fresh air blower 200, and the second inlet 212 is docked with the docking port 160.
As shown in fig. 2 and fig. 3, the fresh air blower 200 may be a centrifugal blower, and includes a housing 206, a fan 204, a motor, and a filter screen 205, wherein the housing 206 is divided into two chambers, one is a fan chamber for disposing the fan 204 and the motor, and the other is a filter screen chamber for disposing the filter screen 205; wherein a first inlet 211 is provided at the lower part of the housing 206 at one side of the filter screen chamber and a second inlet 212 is provided at the side wall. The first inlet 211 of the fresh air blower 200 is provided with a butt joint for connecting a hose, and the inlet side of the hose extends to the outside. The filter screen 205 can be used for pretreating outdoor air, including water content treatment, pollutant treatment and the like, so that poor quality of fresh air entering a room is prevented.
In some embodiments, an opening degree adjusting mechanism 208 is disposed at the second inlet 212 of the fresh air blower 200 of the indoor unit 900 of the air conditioner in the embodiment of the present invention, and is configured to adjust an opening degree of the second inlet 212. The air-conditioning indoor unit 900 according to the embodiment of the present invention adjusts the opening degree of the second inlet 212 by arranging the opening degree adjusting mechanism 208 at the second inlet 212, so that the amount of air introduced into the heat exchange cavity 107 in the fresh air blower 200 can be adjusted, the composition of the outlet airflow of the fresh air blower 200 can be controlled according to different requirements, and the user experience can be further improved.
The air-conditioning indoor unit 900 of the embodiment of the utility model can adjust the opening of the second inlet 212 according to the indoor and outdoor temperature difference condition, and adjust the rotating speed of the heat exchange fan 105 and the fresh air fan 200 according to the detection signal of the air quality detection sensor, thereby realizing air volume distribution, achieving the indoor fresh air volume standard and realizing maximum comfort. For example, when the indoor air quality is poor or the indoor air contains insufficient oxygen, for example, the air quality detection sensor senses that the oxygen molecules are insufficient or the air contains more than a certain proportion of harmful gas, a sensing signal is provided to the control device, and the control device controls the fresh air fan 200 to increase the rotating speed. For another example, when the temperature difference between the inside and the outside is large, the control device may control the opening degree adjustment mechanism 208 to operate to increase the opening degree of the second inlet 212, so that the outdoor air is mixed with more air in the heat exchange cavity 107 and then flows out of the fresh air blower 200.
In some embodiments, the opening degree adjusting mechanism 208 of the fresh air blower 200 of the indoor unit 900 of the air conditioner according to the embodiment of the present invention includes: the motor 281 and the baffle 282 are fixed, the motor 281 is fixed to the housing 206 of the fresh air blower 200, an output shaft of the motor 281 is connected to the baffle 282, and the baffle 282 is driven by the motor 281 to shield part or all of the second inlet 212 to achieve the adjustment of the opening degree. By providing the opening degree adjustment mechanism 208 to include the motor 281 and the baffle 282, adjustment of the opening degree of the second inlet 212 can be easily and simply achieved.
In some embodiments, the top of the casing 100 of the indoor unit 900 of the air conditioner of the embodiments of the present invention is provided with a fresh air outlet 103; the fresh air fan 200 has a first outlet 202, the first outlet 202 being disposed toward the fresh air outlet 103. In some embodiments, the fresh air blower 200 also has a second outlet 203; the indoor unit 900 of the air conditioner further includes: and an additional air duct 400 having an inlet 401 and an outlet 402, the additional air duct 400 being connected to the cabinet 100 with the outlet 402 being located outside the cabinet 100, and the second outlet 203 being in communication with the inlet 401. The fresh air fan 200 of the indoor unit 900 of the air conditioner of the embodiment of the utility model is also provided with the second outlet 203 and the additional air duct 400, the air outlet 402 of the additional air duct 400 is positioned outside the casing 100, and the second outlet 203 is communicated with the air inlet 401, so that the fresh air fan 200 can realize that the first outlet 202 and the second outlet 203 simultaneously blow fresh air indoors after being started, the air volume is larger, and the air updating speed of the indoor environment is accelerated; the existence of the plurality of outlets also reduces the resistance of a single outlet, reduces the power consumption when the fresh air fan 200 provides the same air quantity, and the rotating speed of the fan 204 of the fresh air fan 200 can be lower and the noise is lower; meanwhile, the positions of the first outlet 202 and the second outlet 203 and the butt joint component are different, so that the indoor unit 900 has two fresh air outflow positions, and the air outlet form is more diversified.
As shown in fig. 4, the housing 206 of the fresh air fan 200 includes a first shell 261, a second shell 262 and a partition 263, a filter screen cavity is defined between the first shell 261 and the partition 263, and a fan cavity is defined between the second shell 262 and the partition 263. A screen 205 is inserted in the screen cavity. A first outlet 202 is opened in the vertical direction at the upper portion of the casing 206 on the fan chamber side, and a second outlet 203 is opened in the vertical direction at the lower portion. A fixed plate 264 having an opening is disposed on the upper portion of the partition 263, a movable plate 265 is disposed above the fixed plate 264, the opening of the fixed plate 264 is disposed opposite to the first outlet 202, and the opening and closing of the first outlet 202 can be controlled by controlling the movable plate 265 to move left and right.
In some embodiments, the heat exchange airflow outlet 101 of the air conditioning indoor unit 900 according to the embodiment of the present invention extends in the transverse direction and opens at the bottom of the front side of the casing 100. The additional air duct 400 has a main body 403 extending in the transverse direction and at least one side end 404 extending in the longitudinal direction, an air outlet 402 extending in the transverse direction is opened at the front side of the main body 403, the side ends 404 are located at the left and right sides of the main body 403, an air inlet 401 is opened at the side ends 404, and the fresh air fan 200 is disposed above the air inlet 401. The side end 404 of the additional air duct 400 is provided with the air inlet 401, and the fresh air fan 200 is arranged above the air inlet 401, so that only a space for accommodating the fresh air fan 200 needs to be reserved on one of the transverse side portions in the casing 100, the space of the casing 100 in the front-back direction is not occupied, the casing 100 of the whole air-conditioning indoor unit 900 is ensured to be still complete, and a good attractive effect is kept.
As shown in fig. 4, the additional duct 400 has a main body 403 extending in a transverse direction, two side ends 404 extending in a longitudinal direction, two side walls 405 and two top walls 406, wherein the side walls 405 are located outside the side ends 404 and extend upward from the ends of the main body 403 to the upper part of the cabinet 100, and the top walls 406 are formed by extending from the upper ends of the side walls 405 toward one end of the top of the cabinet 100. An opening 461 is formed in the top wall 406 at a position corresponding to the fresh air outlet 103, and a grill 462 is provided at the opening 461. By providing the grill 462 at the opening 461, dust can be prevented from falling into the fresh air fan 200.
As shown in fig. 1, the main body 403 is disposed below the cabinet 100 at an interval to form a guide duct 500 between the additional duct 400 and the cabinet 100. The main body 403 of the additional duct 400 is spaced apart from the cabinet 100 to form a guide duct 500 between the heat exchange airflow outlet 101 and the outlet 402, so that the outlet airflow at the lower portion of the indoor unit 900 includes the outdoor air flowing out through the outlet 402, the indoor air flowing out through the guide duct 500, and the heat exchange airflow sent out through the heat exchange airflow outlet 101. By forming the air guide duct 500, indoor air can be introduced into the outlet airflow at the lower portion of the casing 100, so that the outlet airflow of the indoor unit 900 is not overcooled or overheated. Meanwhile, the heat exchange airflow outlet 101 and the air outlet 402 are respectively arranged on the two sides of the drainage air duct 500, negative pressure can be generated on the two sides of the drainage air duct 500 along with air supply of the heat exchange airflow outlet 101 and the air outlet 402, the airflow introduced into the drainage air duct 500 under the action of the negative pressure on the two sides can be larger, indoor air introduced through the drainage air duct 500 is mixed with fresh air sent out through the air outlet 402 and heat exchange airflow sent out through the heat exchange airflow outlet 101, and the whole air guiding quantity and the whole air supply quantity of the indoor unit 900 of the air conditioner can be further improved.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. An indoor unit of a wall-mounted air conditioner, comprising:
the indoor air enters the heat exchange cavity to exchange heat with the heat exchanger to form heat exchange airflow; and
the fresh air fan is arranged in the shell and provided with a first inlet and a second inlet, wherein the first inlet is communicated with the outside so that outdoor air enters the fresh air fan through the first inlet, and the second inlet is communicated with the heat exchange cavity so that air entering the heat exchange cavity enters the fresh air fan through the second inlet.
2. An indoor unit of an air conditioner according to claim 1,
the fresh air fan and the heat exchange cavity are arranged in the shell in sequence along the transverse direction.
3. An indoor unit of an air conditioner according to claim 2,
a fan accommodating groove is formed in the framework of the shell, and the heat exchange fan is arranged in the fan accommodating groove;
the fresh air fan is arranged between the framework and the side end cover of the casing, a butt joint port is formed in the side wall of the fresh air fan close to the framework, and the second inlet is in butt joint with the butt joint port.
4. An indoor unit of an air conditioner according to claim 2,
separate into the cavity of two intercommunications in the casing of new trend fan, including the fan chamber that sets up fan and motor and the filter screen chamber that sets up the filter screen, wherein filter screen chamber one side the lower part of casing is seted up first entry, the lateral wall is seted up the second entry.
5. An indoor unit of an air conditioner according to claim 1,
and an opening degree adjusting mechanism is arranged at the second inlet and used for adjusting the opening degree of the second inlet.
6. An indoor unit of an air conditioner according to claim 5,
the opening degree adjusting mechanism includes: the motor is fixed with the shell of the fresh air fan, an output shaft of the motor is connected with the baffle, and the baffle is driven by the motor to shield part or all of the second inlet to realize opening adjustment.
7. An indoor unit of an air conditioner according to claim 1,
the top of the shell is provided with a fresh air outlet;
the fresh air fan is provided with a first outlet, and the first outlet faces the fresh air outlet.
8. An indoor unit of an air conditioner according to claim 7,
the fresh air fan is also provided with a second outlet;
the air-conditioning indoor unit further comprises: and the additional air duct is provided with an air inlet and an air outlet, the additional air duct is connected with the machine shell, the air outlet is positioned outside the machine shell, and the second outlet is communicated with the air inlet.
9. An indoor unit of an air conditioner according to claim 8,
the bottom of the front side of the shell is provided with a heat exchange airflow outlet extending along the transverse direction;
the additional air duct is provided with a main body part extending along the transverse direction and at least one side end part extending along the longitudinal direction, the front side of the main body part is provided with the air outlet extending along the transverse direction, the side end parts are positioned on the left side and the right side of the main body part, the side end parts are provided with the air inlet, and the fresh air fan is arranged above the air inlet.
10. An indoor unit of an air conditioner according to claim 9,
the main body part is arranged below the machine shell at intervals so as to form a drainage air duct between the additional air duct and the machine shell.
CN202122528705.9U 2021-05-20 2021-10-20 Wall-mounted air conditioner indoor unit Active CN216693755U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110553065 2021-05-20
CN2021105530659 2021-05-20

Publications (1)

Publication Number Publication Date
CN216693755U true CN216693755U (en) 2022-06-07

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Family Applications (20)

Application Number Title Priority Date Filing Date
CN202111221634.6A Active CN113932301B (en) 2021-05-20 2021-10-20 Air conditioner indoor unit with fresh air device and control method thereof
CN202122526527.6U Active CN216693752U (en) 2021-05-20 2021-10-20 Wall-mounted air conditioner indoor unit
CN202111221888.8A Pending CN115371137A (en) 2021-05-20 2021-10-20 Machine in new trend fan and air conditioning
CN202122528705.9U Active CN216693755U (en) 2021-05-20 2021-10-20 Wall-mounted air conditioner indoor unit
CN202111223073.3A Pending CN113959008A (en) 2021-05-20 2021-10-20 Wall-mounted fresh air conditioner indoor unit and air conditioner
CN202111223075.2A Pending CN113864880A (en) 2021-05-20 2021-10-20 Wall-mounted fresh air conditioner indoor unit and air conditioner
CN202122526223.XU Active CN216693750U (en) 2021-05-20 2021-10-20 Wall-mounted fresh air conditioner indoor unit and air conditioner
CN202111223342.6A Pending CN115388466A (en) 2021-05-20 2021-10-20 Wall-mounted fresh air conditioner indoor unit and air conditioner
CN202111223097.9A Pending CN113864882A (en) 2021-05-20 2021-10-20 Wall-mounted fresh air conditioner indoor unit and air conditioner
CN202111223350.0A Pending CN115371138A (en) 2021-05-20 2021-10-20 Machine in new trend fan and air conditioning
CN202122528751.9U Active CN216814381U (en) 2021-05-20 2021-10-20 Machine in new trend fan and air conditioning
CN202122528722.2U Active CN216744603U (en) 2021-05-20 2021-10-20 Wall-mounted air conditioner indoor unit
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