CN106931533B - PTAC window machine and fresh air device with dehumidification function thereof - Google Patents

PTAC window machine and fresh air device with dehumidification function thereof Download PDF

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Publication number
CN106931533B
CN106931533B CN201710288797.3A CN201710288797A CN106931533B CN 106931533 B CN106931533 B CN 106931533B CN 201710288797 A CN201710288797 A CN 201710288797A CN 106931533 B CN106931533 B CN 106931533B
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China
Prior art keywords
air
plate
door
supply channel
fresh air
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CN201710288797.3A
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CN106931533A (en
Inventor
周明
杨焕弟
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Taiwan Semiconductor Manufacturing Co TSMC Ltd
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Taiwan Semiconductor Manufacturing Co TSMC Ltd
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Priority to CN201710288797.3A priority Critical patent/CN106931533B/en
Publication of CN106931533A publication Critical patent/CN106931533A/en
Priority to PCT/CN2018/092726 priority patent/WO2018196887A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • F24F1/027Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle mounted in wall openings, e.g. in windows
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation 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
    • F24F7/065Ventilation 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 fan combined with single duct; mounting arrangements of a fan in a duct

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Drying Of Gases (AREA)

Abstract

The invention discloses a fresh air device with dehumidification function for a PTAC window machine, which comprises a cross-flow wind wheel, a host evaporator, an air supply channel and an air draft device for supplying air to the host evaporator, wherein the air inlet end of the air supply channel is outdoor, the air outlet end of the air supply channel is positioned on the air inlet side of the host evaporator, the air draft device is positioned in the air supply channel, and the air supply channel is communicated with the cross-flow wind wheel through the host evaporator. Through setting up updraft ventilator and air supply channel for the new trend is sent into indoorly by the cross-flow wind wheel after the dehumidification of host computer evaporimeter, and the evaporimeter of PTAC window machine self that uses during the dehumidification need not set up dehumidification system alone, consequently, the new trend device that this application provided has reduced the manufacturing cost of the PTAC window machine of taking the dehumidification. The invention also discloses a PTAC window machine comprising the fresh air device.

Description

PTAC window machine and fresh air device with dehumidification function thereof
Technical Field
The invention relates to the technical field of air conditioners, in particular to a fresh air device with a dehumidification function for a PTAC window air conditioner. The invention also relates to a PTAC window machine comprising the fresh air device.
Background
PTAC (Packaged Terminal Air Conditioner) window units are used in bedrooms, offices and other places due to the characteristics of low price, small size, low installation requirements, energy conservation, power conservation and the like. Wherein, the new trend device that can dehumidify of PTAC window machine is used for carrying the new trend through the dehumidification to indoor.
As shown in fig. 1, a conventional fresh air device includes an independent dehumidification system, a middle partition plate 01, an air duct plate 02, a cross-flow wind wheel 03 and a main unit evaporator 04, wherein the dehumidification system includes a fan 05, a dehumidification evaporator 06, a dehumidification condenser 07 and a dehumidification compressor 08. The air duct plate 03 is located between the middle partition plate 04 and the cross-flow wind wheel 02, the middle partition plate 02 is provided with a first air inlet, the air duct plate 03 is provided with a second air inlet, an air supply channel directly communicated with the cross-flow wind wheel 02 is formed between the first air inlet and the second air inlet, and a fan 05, a dehumidification evaporator 06 and a dehumidification condenser 07 of the dehumidification system are located in the air supply channel. When the dehumidifying fresh air device works, fresh air entering from the outdoor side firstly passes through the independent dehumidifying system, then the fresh air directly conveys air in the air supply channels of the first air inlet and the second air inlet to the cross-flow wind wheel 02 position by means of negative pressure generated when the cross-flow wind wheel 02 runs, and then the air is blown out by the cross-flow wind wheel 02.
However, when the PTAC window machine has a dehumidification function, a worker needs to provide an independent dehumidification system on the PTAC window machine, which not only increases the overall volume of the PTAC window machine, but also increases the overall manufacturing cost of the PTAC window machine.
Therefore, how to reduce the manufacturing cost of the PTAC window air conditioner with dehumidification is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a fresh air device with dehumidification function for a PTAC window machine, so that the manufacturing cost of the PTAC window machine with dehumidification function is reduced. Another object of the present invention is to provide a PTAC window machine including the above fresh air device.
In order to achieve the purpose, the invention provides a dehumidifying fresh air device of a PTAC window machine, which comprises a cross-flow wind wheel, a host evaporator, an air supply channel and an air draft device for supplying air to the host evaporator, wherein the air inlet end of the air supply channel is outdoor, the air outlet end of the air supply channel is positioned on the air inlet side of the host evaporator, the air draft device is positioned in the air supply channel, and the air supply channel is communicated with the cross-flow wind wheel through the host evaporator.
Preferably, still include wind channel board and median septum, the wind channel board is the closing plate, be equipped with on the median septum and be used for placing updraft ventilator's installed part.
Preferably, be equipped with the mounting hole on the median septum, the installed part is two the installed part is installed respectively the top and the bottom of mounting hole, two the installed part respectively with updraft ventilator's both ends are connected.
Preferably, the air exhaust device further comprises an air exhaust protection device arranged at the air inlet end of the air exhaust device.
Preferably, the draft protection device comprises a gas filtering device for filtering outdoor air, and the gas filtering device is installed in the air supply channel;
and/or, convulsions protection device includes safety cover, air door and drive the drive arrangement of air door switching, updraft ventilator is located in the safety cover, the air intake of safety cover does the air inlet end of air supply passageway.
Preferably, convulsions protection device still includes the door frame, the air door with gas filtering device all installs on the door frame, along the gas flow direction of motion, the air door is located the gas filtering device rear, gas filtering device is located the updraft ventilator rear, the door frame is installed in the safety cover.
Preferably, the gas filtering device is a filter screen, and a filter screen support for mounting the filter screen is arranged on the door frame.
Preferably, the filter screen support with the filter screen can be dismantled and be connected, be equipped with filter screen support arch on the filter screen support, be equipped with on the filter screen support arch and be used for the joint the filter screen draw-in groove of filter screen.
Preferably, the protective cover comprises a bottom plate and a channel plate, the bottom end of the channel plate is connected with the bottom plate, the door frame is installed on the bottom plate and the channel plate, the channel plate is an L-shaped plate, the bottom end of a side plate of the channel plate is connected with the bottom plate, a top plate of the channel plate is located right above the bottom plate, when the air door is opened, the end part of the air door rotates towards the direction of the side plate far away from the channel plate, and the air door blocks an air inlet channel of the outdoor fan; when the air door is closed, the air inlet of the air supply channel is communicated with the air inlet channel of the outdoor fan.
Preferably, the air door is located in the safety cover, and when the air door mouth is in the open mode, the end of the air door is far away from the direction of the air extracting device, and the side end of the air door is flush with the air inlet of the safety cover.
Preferably, the driving device is a hysteresis motor for driving a swing rod to move, and the swing rod is connected with the air door.
Preferably, drive arrangement includes servo motor and control the switch that servo motor started convulsions protection device still includes spacingly the air door locating part of air door position works as the air door locating part with during the air door butt, on-off control servo motor stop work.
A PTAC window machine comprises a fresh air device, wherein the fresh air device is any one of the fresh air devices.
In the technical scheme, the dehumidifying fresh air device of the PTAC window machine comprises a cross-flow wind wheel, a host evaporator, an air supply channel and an air draft device for supplying air to the host evaporator, wherein the air inlet end of the air supply channel is outdoor, the air outlet end of the air supply channel is positioned on the air inlet side of the host evaporator, the air draft device is positioned in the air supply channel, and the air supply channel is communicated with the cross-flow wind wheel through the host evaporator. When air needs to be supplied to the indoor space, the PTAC window air conditioner works, outdoor air is pumped to the position of the host evaporator by the air pumping device through the air supply channel, and fresh air is sent into the indoor space under the action of the cross-flow wind wheel after passing through the host evaporator.
According to the description, the fresh air device provided by the application has the advantages that the ventilation device and the air supply channel are arranged, so that fresh air is sent into a room through the cross-flow wind wheel after being dehumidified by the main machine evaporator, the evaporator of the PTAC window machine used during dehumidification does not need to be provided with a dehumidification system independently, and the comfort of indoor air supply is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a conventional fresh air device;
fig. 2 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the fresh air device shown in FIG. 2 showing the opening of the damper along the direction A-A;
FIG. 4 is a schematic view of the fresh air device shown in FIG. 2 along the direction B-B;
fig. 5 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention when an air door is closed;
FIG. 6 is a schematic structural view of an embodiment of the draft protection device of the present invention;
fig. 7 is a schematic structural view of an open state of an air inlet of the air draft protection device according to the embodiment of the present invention;
fig. 8 is a schematic structural view of a closed state of an air inlet of the air draft protection device according to the embodiment of the present invention;
FIG. 9 is a three-dimensional block diagram of an extractor hood assembly having a gas filter assembly according to an embodiment of the present disclosure;
FIG. 10 is a top three-dimensional block diagram of an embodiment of the present invention showing an exhaust protection device with a gas filter;
FIG. 11 is a three-dimensional block diagram of an alternative perspective of an extractor hood assembly having a gas filter assembly according to an embodiment of the present disclosure;
FIG. 12 is an exterior view of an embodiment of the draft protection device of the present invention;
FIG. 13 is a schematic three-dimensional view of an embodiment of the draft protection device;
FIG. 14 is a schematic three-dimensional view of a deleted filter of the draft protection device according to an embodiment of the present disclosure;
FIG. 15 is an illustration of an installation location of an extractor protection device according to an embodiment of the present disclosure.
Wherein in FIGS. 1-15: 01-middle partition board, 02-air duct board, 03-cross flow wind wheel, 04-main machine evaporator, 05-fan, 06-dehumidification evaporator, 07-dehumidification condenser and 08-dehumidification compressor;
1-a host evaporator, 2-cross flow wind wheels, 3-air duct plates, 4-middle partition plates, 5-air draft devices, 6-air supply channels, 7-driving devices, 8-gas filtering devices, 9-air draft protection devices, 91-protection covers, 92-air doors, 93-air door openings, 94-bottom plates, 95-door frames, 96-swing rods, 97-filter screen supports, 98-filter screen supporting bulges, 99-channel plates and 10-partition plates.
Detailed Description
The core of the invention is to provide a fresh air device with dehumidification function for the PTAC window machine, so as to reduce the manufacturing cost of the PTAC window machine with dehumidification function. Another core of the invention is to provide a PTAC window machine comprising the above fresh air device.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 2 to 15, in a specific embodiment, a fresh air device of a PTAC window machine provided in an embodiment of the present invention includes a cross-flow wind wheel 2, a host evaporator 1, and an air draft device 5 for blowing air to the host evaporator 1, an air inlet end of an air supply channel 6 is outdoor, an air outlet end of the air supply channel 6 is located at an air inlet side of the host evaporator 1, the air draft device 5 is located in the air supply channel 6, that is, the air draft device 5 is communicated with the host evaporator 1 through the air supply channel 6, and the air supply channel 6 is communicated with the cross-flow wind wheel 2 through the host evaporator 1, wherein a position of an air inlet of the air supply channel 6 may be determined according to a position relationship of components in the PTAC window machine. To save space, the air supply duct 6 is preferably the bottom end of the inside of the PTAC window machine, and in particular the air extraction device 5 may be a fan.
When air needs to be supplied to the indoor space, the PTAC window air conditioner works, outdoor air is pumped to the position of the main machine evaporator 1 through the air supply channel 6 by the air exhaust device 5, and the fresh air is sent into the indoor space under the action of the cross flow wind wheel 2 after passing through the main machine evaporator 1.
It can be known from the above description that in the fresh air device provided in the embodiment of the present application, by setting the air draft device 5 and the air supply channel 6, the fresh air is sent into the room by the cross flow wind wheel 2 after being dehumidified by the host evaporator 1, and the evaporator of the PTAC window air conditioner used during dehumidification does not need to be separately provided with a dehumidification system, so that the fresh air device provided in the present application reduces the manufacturing cost of the PTAC window air conditioner with dehumidification. On the other hand, the overall volume of the PTAC window is reduced.
Further, this new trend device still includes wind channel board 3, median septum 4, is equipped with the installed part that is used for placing updraft ventilator 5 on the median septum 4, and is concrete, and the installed part can be for setting up the support piece in 5 bottoms of updraft ventilator. Through setting up support piece, the staff of being convenient for installs updraft ventilator 5, installs updraft ventilator 5 in the 4 positions of median septum simultaneously, avoids updraft ventilator 5 to occupy extra space. The air duct plate 3 is a sealing plate, that is, the air duct plate 3 is an integral plate, so that outdoor air is prevented from directly entering the cross flow wind wheel 2 through the air duct plate 3. To improve the sealing, a partition 10 may be provided to close the original opening of the airway plate 2.
Preferably, be equipped with the mounting hole on the median septum 4, the installed part is two, and two installed parts are installed respectively on the top and the bottom of mounting hole, and two installed parts are connected with updraft ventilator 5's both ends respectively. Specifically, the mounting member may be mounted on the intermediate partition 4 by means of bonding, welding, screwing, or the like. Through setting up two installed parts, the preferred installation stability that has improved updraft ventilator 5, to avoid current material extravagant, updraft ventilator 5 can install the first air intake position at baffle 4 in the tradition, and wherein the mounting hole is equivalent to traditional first air intake in this application.
Further, this new trend device still includes the convulsions protection device 9 that sets up at updraft ventilator 5 air inlet end. Specifically, the draft protection device 9 may be a fender bracket disposed at an outer end of the draft device 5. Preferably, convulsions protection device 9 includes safety cover 91, air door 92 and the drive arrangement 7 of drive air door 92 switching, and updraft ventilator 5 is located safety cover 91, and the air intake of safety cover 91 is the air inlet end of air supply channel 6, and is preferred, and updraft ventilator 5 is just right with the air intake. In order to open and close the damper 92, it is preferable that the protective cover 91 is provided with a doorframe bracket for mounting the damper 92. Specifically, the driving device 7 is a hysteresis motor for driving the swing link 96 to move, and the swing link 96 is connected with the damper 92. Of course, the driving device 7 may also include a servo motor and a switch for controlling the servo motor to start, and specifically, the servo motor may drive the air door 92 to open and close through the swing rod 96.
Specifically, convulsions protection device is including being used for carrying out filterable gas filtration device 8 to outdoor air, and gas filtration device 8 is installed in air supply channel 6. In particular, the gas filtering device may be a filter cartridge. Through setting up gas filtration device 8, reduce the gas pollution indoor environment and the new trend device that drive impurity, prolonged the life of new trend device.
Preferably, the draft protection device further comprises a door frame 95, the damper 92 and the gas filtering device 8 are both mounted on the door frame 95, the damper 92 is located behind the gas filtering device 8 along the moving direction of the gas flow, and the door frame 95 is mounted in the protection cover 91. The installation of the damper 92 and the gas filtering device 8 is facilitated by the provision of the door frame 95.
Preferably, the gas filtering device 8 is a filter screen, and the door frame 95 is provided with a filter screen bracket 97 for mounting the filter screen. Filter screen support 97 can dismantle with the filter screen and be connected, is equipped with filter screen support arch 98 on filter screen support 97, is equipped with the filter screen draw-in groove that is used for joint filter screen on the filter screen support arch 98. Through in time dismantling and washing the filter screen, the smooth through-put of gas of being convenient for.
Specifically, the protective cover 91 includes a bottom plate 94 and a channel plate 99 whose bottom end is connected to the bottom plate 94, the door frame 95 is installed on the bottom plate 94 and the channel plate 99, the channel plate 99 is an L-shaped plate, the bottom end of the side plate of the channel plate 99 is connected to the bottom plate 94, and the top plate of the channel plate 99 is located right above the bottom plate 94. Of course, the shape of the protective cover 91 is not limited to the above in accordance with the actual installation situation. When the damper 92 is opened, the end of the damper 92 is rotated away from the side plate of the passage plate 99. Preferably, when the air door 92 is opened, the air door 92 blocks the air inlet channel of the outdoor fan, that is, as shown in fig. 3, when the air door 92 is opened, fresh air is guided to the air draft device 5. As shown in fig. 5, when the air door 92 is closed, the air inlet of the air supply channel 6 is communicated with the air inlet channel of the outdoor fan, that is, the air flows to the outdoor fan according to the non-exhaust device 5, so as to increase the air volume outside the room.
Further, the air door 92 is located in the protection cover 91, and when the air door 93 is in an open state, the end of the air door 92 rotates away from the air draft device 5, and the side end of the air door 92 is flush with the air inlet of the protection cover 91. When the air door 93 is in an open state, the whole air door 92 is also positioned in the protective cover 91, so that the condition that the air door 92 is interfered and damaged by external substances is avoided, and the service life of the air door 92 is effectively prolonged.
In order to improve the use safety, preferably, the ventilation protection device 9 further includes a ventilation door limiting part for limiting the position of the ventilation door 92, and when the ventilation door limiting part abuts against the ventilation door 92, the switch controls the servo motor to stop working. Through setting up the air door locating part, when avoiding air door 92 to move to extreme position, the condition of air door 92 with safety cover 91 collision has further prolonged air door 92's life.
The application provides a PTAC window machine includes new trend device, and wherein, new trend device is any kind of new trend device of above-mentioned.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (13)

1. The fresh air device with the dehumidification function for the PTAC window machine is characterized by comprising a cross-flow wind wheel (2), a host evaporator (1), a wind supply channel (6) and an air draft device (5) used for supplying air to the host evaporator (1), wherein the wind inlet end of the wind supply channel (6) is outdoor, the wind outlet end of the wind supply channel (6) is positioned on the wind inlet side of the host evaporator (1), the air draft device (5) is positioned in the wind supply channel (6), and the wind supply channel (6) is communicated with the cross-flow wind wheel (2) through the host evaporator (1);
the air draft protection device (9) comprises a protection cover (91), an air door (92) and a driving device (7) for driving the air door (92) to open and close;
when the air door (92) is opened, the fresh air is guided to the air draft device (5);
when the air door (92) is closed, the air inlet of the air supply channel (6) is communicated with the air inlet channel of the outdoor fan, and air flows to the outdoor fan through the air draft device (5).
2. The fresh air device as claimed in claim 1, further comprising an air duct plate (3) and a middle partition plate (4), wherein the air duct plate (3) is a sealing plate, and a mounting part for placing the air draft device (5) is arranged on the middle partition plate (4).
3. The fresh air device as claimed in claim 2, wherein the middle partition plate (4) is provided with two mounting holes, the two mounting pieces are respectively mounted at the top end and the bottom end of the mounting hole, and the two mounting pieces are respectively connected with two ends of the air draft device (5).
4. The fresh air device of claim 2, wherein the ventilation protection device (9) is arranged at the air inlet end of the ventilation device (5).
5. The fresh air device as claimed in any one of claims 1 to 4, wherein the draft protection device further comprises a gas filtering device (8) for filtering outdoor air, the gas filtering device (8) being installed in the air supply channel (6);
updraft ventilator (5) are located in safety cover (91), the air intake of safety cover (91) does the air inlet end of air supply passageway (6).
6. The fresh air device according to claim 5, characterized in that the draft protection device further comprises a door frame (95), the damper (92) and the gas filtering device (8) are both mounted on the door frame (95), the damper (92) is located behind the gas filtering device (8) in the direction of gas flow movement, and the door frame (95) is mounted in the protective cover (91).
7. The fresh air device according to claim 6, characterized in that the gas filtering device (8) is a filter screen, and a filter screen bracket (97) for mounting the filter screen is arranged on the door frame (95).
8. The fresh air device of claim 7, wherein the filter screen bracket (97) is detachably connected with the filter screen, a filter screen supporting protrusion (98) is arranged on the filter screen bracket (97), and a filter screen clamping groove for clamping the filter screen is arranged on the filter screen supporting protrusion (98).
9. The fresh air device as claimed in claim 6, wherein the protective cover (91) comprises a bottom plate (94) and a channel plate (99) connected with the bottom plate (94), the door frame (95) is mounted on the bottom plate (94) and the channel plate (99), the channel plate (99) is an L-shaped plate, the bottom end of the side plate of the channel plate (99) is connected with the bottom plate (94), the top plate of the channel plate (99) is located right above the bottom plate (94), when the air door (92) is opened, the end of the air door (92) rotates towards the side plate far away from the channel plate (99), and the air door (92) blocks the air inlet channel of the outdoor fan; when the air door (92) is closed, the air inlet of the air supply channel (6) is communicated with the air inlet channel of the outdoor fan.
10. The fresh air device as claimed in claim 6, wherein the air door (92) is located in the protective cover (91), and when the air door opening (93) is in an open state, the end of the air door (92) rotates away from the air draft device (5), and the side end of the air door (92) is flush with the air inlet of the protective cover (91).
11. The fresh air device as claimed in claim 4, characterized in that the drive device (7) is a hysteresis motor for driving a swing link (96) to move, and the swing link (96) is connected with the air door (92).
12. The fresh air device as claimed in claim 4, wherein the driving device (7) comprises a servo motor and a switch for controlling the servo motor to start, the ventilation protection device (9) further comprises a damper limiting member for limiting the position of the damper (92), and when the damper limiting member abuts against the damper (92), the switch controls the servo motor to stop working.
13. A PTAC window air conditioner comprising a fresh air device, characterized in that the fresh air device is as claimed in any one of claims 1-12.
CN201710288797.3A 2017-04-27 2017-04-27 PTAC window machine and fresh air device with dehumidification function thereof Active CN106931533B (en)

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Application Number Priority Date Filing Date Title
CN201710288797.3A CN106931533B (en) 2017-04-27 2017-04-27 PTAC window machine and fresh air device with dehumidification function thereof
PCT/CN2018/092726 WO2018196887A1 (en) 2017-04-27 2018-06-26 Ptac window unit and dehumidifying fresh air apparatus

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Application Number Priority Date Filing Date Title
CN201710288797.3A CN106931533B (en) 2017-04-27 2017-04-27 PTAC window machine and fresh air device with dehumidification function thereof

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CN106931533B true CN106931533B (en) 2020-03-17

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WO2018196887A1 (en) * 2017-04-27 2018-11-01 广东志高暖通设备股份有限公司 Ptac window unit and dehumidifying fresh air apparatus
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