WO2018196887A1 - Unité ptac de fenêtre et appareil d'air frais à déshumidification - Google Patents

Unité ptac de fenêtre et appareil d'air frais à déshumidification Download PDF

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Publication number
WO2018196887A1
WO2018196887A1 PCT/CN2018/092726 CN2018092726W WO2018196887A1 WO 2018196887 A1 WO2018196887 A1 WO 2018196887A1 CN 2018092726 W CN2018092726 W CN 2018092726W WO 2018196887 A1 WO2018196887 A1 WO 2018196887A1
Authority
WO
WIPO (PCT)
Prior art keywords
damper
air
fresh air
plate
door frame
Prior art date
Application number
PCT/CN2018/092726
Other languages
English (en)
Chinese (zh)
Inventor
周明
杨焕弟
Original Assignee
广东志高暖通设备股份有限公司
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 CN201710288797.3A external-priority patent/CN106931533B/zh
Priority claimed from CN201721854979.4U external-priority patent/CN208170542U/zh
Application filed by 广东志高暖通设备股份有限公司 filed Critical 广东志高暖通设备股份有限公司
Publication of WO2018196887A1 publication Critical patent/WO2018196887A1/fr
Priority to US16/215,680 priority Critical patent/US11009239B2/en

Links

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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • 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
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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

Definitions

  • the invention relates to the technical field of air conditioners, in particular to a fresh air device with dehumidification of a PTAC window machine.
  • the invention also relates to a PTAC window machine comprising the above described fresh air device.
  • PTAC Packaged Terminal Air Conditioner
  • the dehumidable fresh air device of the PTAC window machine is used to transport the dehumidified fresh air to the room.
  • the conventional fresh air device includes an independent dehumidification system, a middle partition 01, a duct plate 02, a cross flow wind wheel 03, and a main unit evaporator 04.
  • the dehumidification system includes a fan 05, a dehumidification evaporator 06, and a dehumidification condenser. 07 and dehumidification compressor 08.
  • the air duct plate 02 is located between the middle partition plate 01 and the cross flow wind wheel 03.
  • the middle partition plate 01 is provided with a first air inlet
  • the air passage plate 02 is provided with a second air inlet, a first air inlet and a second
  • a air supply passage directly communicating with the cross flow wind wheel 03 is formed between the air inlets, and the fan 05, the dehumidification evaporator 06, and the dehumidification condenser 07 of the dehumidification system are located in the air supply passage.
  • the staff needs to install 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.
  • the present invention provides a fresh air device with dehumidification for a PTAC window machine, comprising a cross flow wind wheel, a main unit evaporator, a air supply passage, and an air suction device for supplying air to the main unit evaporator, the sending
  • the air inlet end of the air passage is outdoor, the air outlet end of the air supply passage is located on the air inlet side of the main engine evaporator, the air blowing device is located in the air supply passage, and the air supply passage passes through the host
  • An evaporator is in communication with the cross flow rotor.
  • duct plate being a sealing plate
  • middle baffle being provided with a mounting member for placing the air extracting device
  • the middle partition plate is provided with mounting holes, and the mounting members are two, and the two mounting members are respectively mounted on the top end and the bottom end of the mounting hole, and the two mounting members are respectively The two ends of the air suction device are connected.
  • it further includes an air suction protection device disposed at an air inlet end of the air suction device.
  • the ventilation protection device comprises a gas filtering device for filtering outdoor air, the gas filtering device being installed in the air supply passage;
  • the ventilation protection device includes a protective cover, a damper and a driving device for driving the damper to open and close, the air blowing device is located in the protective cover, and the air inlet of the protective cover is the air blowing channel Into the wind end.
  • the ventilation protection device further includes a door frame, the damper and the gas filtering device are both mounted on the door frame, wherein the damper is rotatably connected with the door frame, and the damper is in a direction of gas flow movement Located behind the gas filtering device, the door frame is mounted in the protective cover.
  • a side of the damper is provided with a rotating shaft, and the damper is connected to the door frame through the rotating shaft, and the driving device drives the damper to rotate and open around the rotating shaft.
  • the top of the door frame has a support plate
  • the driving device is a hysteresis motor that drives the swing rod.
  • the hysteresis motor is fixed above the support plate, and the main shaft extends downward through the support.
  • a plate is connected to the swing rod, and the swing rod is connected to the damper.
  • the damper is provided with a convex shaft parallel to the rotating shaft, one end of the swinging rod is connected to the main shaft of the hysteresis motor, and the other end is provided with a long hole, and the swing rod passes through the long hole
  • the male shaft is sleeved to provide a degree of freedom in rotationally driving the damper.
  • an elastic reset mechanism is disposed between the damper and the door frame for automatically closing and resetting the damper.
  • the elastic return mechanism is specifically a torsion spring sleeved on the rotating shaft, and the twisting arms at the two ends of the torsion spring respectively tighten the frame of the damper and the position of the door frame, so that the damper has an automatic direction The tendency of the door frame side to close.
  • the inner and outer edge positions of the frame of the damper are provided with elastic cushions.
  • the gas filtering device is a filter net
  • the door frame is provided with a filter frame for mounting the filter net.
  • the screen support is detachably connected to the filter net, and the filter support is provided with a filter support protrusion, and the filter support protrusion is provided with a filter for clamping the filter net.
  • NIC slot is provided.
  • the protective cover includes a bottom plate and a channel plate whose bottom end is connected to the bottom plate, the door frame is mounted on the bottom plate and the channel plate, and the channel plate is an L-shaped plate, and the channel plate is The bottom end of the side plate is connected to the bottom plate, and the top plate of the channel plate is located directly above the bottom plate.
  • the damper is located in the protective cover, and when the damper opening is in an open state, the damper end rotates away from the air blowing device, and the damper side end and the protective cover The air inlet is flush.
  • the driving device includes a servo motor and a switch for controlling activation of the servo motor
  • the ventilation protection device further includes a damper limiting member for limiting the position of the damper, when the damper limiting member and the damper are When connected, the switch controls the servo motor to stop working.
  • a PTAC window machine comprising a fresh air device, the fresh air device being the fresh air device according to any one of the above.
  • the fresh air device with dehumidification of the PTAC window machine comprises a cross flow wind wheel, a main engine evaporator, a air supply passage, and an air suction device for supplying air to the main unit evaporator, and the air supply passage of the air supply passage
  • the outlet end is outdoor, the air outlet end of the air supply passage is located on the air inlet side of the main evaporator, the air suction device is located in the air supply passage, and the air supply passage is connected to the cross flow wind wheel through the main engine evaporator.
  • the PTAC window machine works, and the air suction device sends the outdoor air through the air supply passage to the main evaporator position, and the fresh air is sent into the room under the action of the cross flow wind wheel after passing through the main engine evaporator.
  • the ventilating device and the air supply passage are provided, so that the fresh air is dehumidified by the main engine evaporator, and then sent to the indoor by the cross flow wind wheel, and the PTAC window machine used for dehumidification is itself.
  • the evaporator does not need to be separately provided with a dehumidification system, which improves the comfort of indoor air supply. Therefore, the fresh air device provided by the present application reduces the manufacturing cost of the PTAC window machine with dehumidification.
  • Figure 1 is a schematic structural view of a conventional fresh air device
  • FIG. 2 is a schematic structural view of a fresh air device according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of the fresh air device shown in FIG. 2 when the damper is opened in the A-A direction;
  • Figure 4 is a schematic view showing the structure of the fresh air device shown in Figure 2 along the B-B direction;
  • FIG. 5 is a schematic structural diagram of a damper of a fresh air device according to an embodiment of the present invention.
  • FIG. 6 is a view showing a mounting position of an air leakage protection device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of an airflow protection device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an air outlet of an air suction protection device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a wind door of a ventilation protection device according to an embodiment of the present invention.
  • FIG. 10 is a three-dimensional structural view of a ventilation protection device provided with a gas filtering device according to an embodiment of the present invention
  • FIG. 11 is a three-dimensional structural view of a view of a ventilation protection device provided with a gas filtering device according to an embodiment of the present invention.
  • FIG. 12 is a three-dimensional structural view of another perspective view of a ventilation protection device provided with a gas filtering device according to an embodiment of the present invention.
  • Figure 13 is an exploded perspective view showing the structure of the air suction protection device provided with the gas filtering device according to the embodiment of the present invention.
  • FIG. 14 is an external view of a ventilation protection device according to an embodiment of the present invention.
  • FIG. 15 is a schematic diagram of a three-dimensional structure of an air leakage protection device according to an embodiment of the present invention.
  • FIG. 16 is a schematic diagram of a three-dimensional structure of a deletion filter of the airflow protection device according to an embodiment of the present invention.
  • Figure 1-16 01- middle partition, 02-channel board, 03-cross flow wind wheel, 04-host evaporator, 05-fan, 06-dehumidification evaporator, 07-dehumidification condenser, 08-dehumidification compressor;
  • the core of the invention is to provide a dehumidifying fresh air device for a PTAC window machine to reduce the manufacturing cost of the PTAC window machine with dehumidification.
  • Another core of the present invention is to provide a PTAC window machine including the above-described fresh air device.
  • the fresh air device of the PTAC window machine provided by the embodiment of the present invention includes a cross flow wind wheel 2 , a main engine evaporator 1 , and a fan for supplying air to the main unit evaporator 1 .
  • the air blowing device 5, the air inlet end of the air supply passage 6 is outdoor, the air outlet end of the air supply passage 6 is located on the air inlet side of the main engine evaporator 1, and the air blowing device 5 is located in the air supply passage 6, that is, the air blowing device 5 passes the air supply device.
  • the passage 6 is in communication with the main unit evaporator 1, and the air supply passage 6 is connected to the cross flow wind wheel 2 through the main evaporator 1 , wherein the position of the air inlet of the air supply passage 6 can be determined according to the positional relationship of the components in the PTAC window machine.
  • the air supply passage 6 is a bottom end of the inside of the PTAC window machine.
  • the air suction device 5 may be a fan.
  • the PTAC window machine works, and the air blowing device 5 pumps the outdoor air through the air supply passage 6 to the position of the main evaporator 1 , and the fresh air passes through the main engine evaporator 1 and is sent under the action of the cross flow wind wheel 2 . Enter indoors.
  • the air blowing device 5 and the air supply passage 6 are provided, so that the fresh air is dehumidified by the main engine evaporator 1 and then sent into the room by the cross flow wind wheel 2,
  • the PTAC window machine itself used in dehumidification does not need to be separately provided with a dehumidification system. Therefore, the fresh air device provided by the present application reduces the manufacturing cost of the PTAC window machine with dehumidification. On the other hand, the overall volume of the PTAC window machine is reduced.
  • the fresh air device further includes a duct plate 3 and a middle partition plate 4.
  • the middle partition plate 4 is provided with a mounting member for placing the air extracting device 5.
  • the mounting member may be a supporting member disposed at the bottom end of the air extracting device 5.
  • the duct plate 3 is a sealing plate, that is, the duct plate 3 is an integral plate, and the outdoor wind is prevented from directly entering the cross-flow wind wheel 2 through the duct plate 3.
  • a partition 10 may be provided to close the original opening of the duct plate 3.
  • the middle partition plate 4 is provided with mounting holes, and the mounting members are two.
  • the two mounting members are respectively mounted on the top end and the bottom end of the mounting hole, and the two mounting members are respectively connected to the two ends of the air blowing device 5.
  • the mounting member may be mounted on the intermediate partition 4 by bonding, welding or screwing.
  • the mounting stability of the air extracting device 5 is preferably improved.
  • the air extracting device 5 can be installed at the first air inlet position of the conventional partition 4, wherein the mounting hole is used in the present application. It is equivalent to the traditional first air inlet.
  • the fresh air device further includes an air suction protection device 9 disposed at the air inlet end of the air suction device 5.
  • the ventilation protection device 9 may be a protection frame disposed at an outer end of the air suction device 5.
  • the ventilation protection device 9 includes a protective cover 91, a damper 92, and a driving device 7 for driving the damper 92 to open and close.
  • the air blowing device 5 is located in the protective cover 91, and the air inlet of the protective cover 91 is the air inlet end of the air supply passage 6, Preferably, the air extracting device 5 is directly opposite the air inlet.
  • the protective cover 91 is provided with a door frame bracket for mounting the damper 92.
  • the driving device 7 is a hysteresis motor that drives the swing lever 96 to move, and the swing lever 96 is connected to the damper 92.
  • the driving device 7 can also be a switch including a servo motor and a control servo motor.
  • the servo motor can drive the damper 92 to open and close through the swing lever 96.
  • the ventilation protection device 9 includes a gas filtering device 8 for filtering outdoor air, and the gas filtering device 8 is installed in the air supply passage 6.
  • the gas filtering device 8 can be filtered by a filter element.
  • the ventilation protection device 9 further includes 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 rotatably connected to the door frame 95.
  • the damper 92 is located behind the gas filtering device 8 in the direction of gas flow movement.
  • the door frame 95 is installed in the protective cover 91. The damper 92 and the gas filtering device 8 are facilitated by providing the door frame 95.
  • the damper 92 is provided with a rotating shaft 11 on one side thereof, and the damper 92 is connected to the door frame 95 via the rotating shaft 11, and the damper 92 is driven to rotate around the rotating shaft 11 by the driving device 7.
  • the damper 92 is rotatably connected to the door frame 95 through the rotating shaft 11, and the driving device 7 can drive the damper 92 to rotate around the rotating shaft 11, thereby realizing controllable automatic opening and closing of the damper 92.
  • the top of the door frame 95 has a support plate 12, and the driving device 7 is a hysteresis motor that drives the swinging rod 96.
  • the hysteresis motor is fixed above the support plate 12, and the main shaft extends downward through the support plate 12 and the pendulum.
  • the rod 96 is mounted and connected, and the swing lever 96 is coupled to the damper 92.
  • the damper 92 is provided with a convex shaft 13 parallel to the rotating shaft 11, one end of the swinging rod 96 is connected with the main shaft of the hysteresis motor, and the other end is provided with a long hole, and the swinging rod 96 is sleeved through the long hole to provide the protruding shaft 13
  • the degree of freedom of the damper 92 is rotationally driven.
  • the rotary shaft 13 is directly driven by the hysteresis motor to rotate the swing shaft 13, so that the damper 92 can rotate about the rotating shaft 11, and the opening and closing control of the damper 92 is stabilized.
  • the hysteresis motor is mounted above the support plate 12, wherein the support plate 12 is higher than the door frame 95 by a certain distance, higher than the lower door frame 95 and the damper 92, and the main axis of the hysteresis motor extends from the support plate 12
  • the pendulum rod 96 is connected below, has a simple structure, is easy to assemble, is easy to maintain, and is adapted to the position where the damper 92 is disposed.
  • an elastic return mechanism is provided between the damper 92 and the door frame 95 for automatically closing the reset after the damper 92 is opened.
  • the elastic return mechanism is specifically a torsion spring 14 sleeved on the rotating shaft 11, and the twisting arms at both ends of the torsion spring 14 respectively press the frame of the damper 92 and the position of the door frame 95, so that the damper 92 has a motion of automatically closing to the door frame 95 side. trend.
  • the inner and outer edge positions of the frame of the damper 92 are provided with elastic cushions.
  • an elastic cushion By providing an elastic cushion on both sides of the rim of the damper 92, when the damper 92 is prevented from striking the inner door frame 95 or the outer protective cover 91, the surface is damaged, causing a problem that the structure is easily rusted.
  • the gas filtering device 8 is a filter net
  • the door frame 95 is provided with a filter holder 97 for mounting the filter.
  • the filter holder 97 is detachably connected to the filter net.
  • the filter support 97 is provided with a filter support protrusion 98.
  • the filter support protrusion 98 is provided with a filter card slot for engaging the filter. The gas can be smoothly passed through the timely disassembly and cleaning of the filter.
  • 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 mounted on the bottom plate 94 and the channel plate 99.
  • the channel plate 99 is an L-shaped plate, and the bottom plate of the channel plate 99 is at the bottom end.
  • the bottom plate 94 is connected, and the top plate of the channel plate 99 is located directly above the bottom plate 94.
  • the shape of the protective cover 91 is not limited to the above depending on the actual installation.
  • the damper 92 blocks the air inlet passage of the outdoor fan, that is, as shown in FIG. 3, when the damper 92 is opened, the fresh air is directed to the air extracting device 5.
  • the air inlet of the air supply passage 6 communicates with the air inlet passage of the outdoor fan, that is, the wind flows to the outdoor fan according to the non-exhaust device 5, and the air volume on the outdoor side is increased.
  • the damper 92 is located in the protective cover 91, and when the damper opening 93 is in the open state, the end of the damper 92 is rotated away from the air extracting device 5, and the side end of the damper 92 is flush with the air inlet of the protective cover 91. Since the damper 92 is entirely located in the protective cover 91 when the damper opening 93 is in the open state, the external material is prevented from interfering and the damper 92 is damaged, and the service life of the damper 92 is effectively extended.
  • the ventilation protection device 9 further includes a damper limiting member for limiting the position of the damper 92.
  • the switch controls the servo motor to stop working.
  • the damper stopper when the damper 92 is moved to the extreme position, the damper 92 collides with the protective cover 91 to further extend the service life of the damper 92.
  • a PTAC window machine provided by the present application includes a fresh air device, wherein the fresh air device is any of the above fresh air devices.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Abstract

L'invention concerne un appareil d'air frais à déshumidification destiné à une unité PTAC de fenêtre, comprenant une roue de ventilateur à écoulement transversal, un évaporateur principal, un canal d'alimentation en air et un appareil d'extraction d'air pour fournir de l'air à l'évaporateur principal. L'extrémité d'entrée d'air du canal d'alimentation en air est conçue pour être en extérieur, et l'extrémité de sortie d'air du canal d'alimentation en air est disposée au niveau du côté d'entrée d'air de l'évaporateur principal. L'appareil d'extraction d'air est à l'intérieur du canal d'alimentation en air, et le canal d'alimentation en air est en communication avec la roue de ventilateur à flux transversal au moyen de l'évaporateur principal. En utilisant l'appareil d'extraction d'air et le canal d'alimentation en air, l'air frais est déshumidifié par l'évaporateur principal et est distribué à l'intérieur au moyen de la roue de ventilateur à flux transversal. Pendant la déshumidification, l'unité PTAC de fenêtre utilise son propre évaporateur, et ne nécessite pas de système de déshumidification séparé. Ainsi, l'appareil d'air frais de la présente invention réduit le coût de fabrication des unités PTAC de fenêtre à déshumidification. L'invention concerne également une unité PTAC de fenêtre comprenant l'appareil d'air frais.
PCT/CN2018/092726 2017-04-27 2018-06-26 Unité ptac de fenêtre et appareil d'air frais à déshumidification WO2018196887A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/215,680 US11009239B2 (en) 2017-12-25 2018-12-11 Fresh air dehumidification device and packaged terminal air conditioner using same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710288797.3A CN106931533B (zh) 2017-04-27 2017-04-27 Ptac窗机及其带除湿的新风装置
CN201710288797.3 2017-04-27
CN201721854979.4U CN208170542U (zh) 2017-12-25 2017-12-25 一种空调窗机及其风门组件
CN201721854979.4 2017-12-25

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/215,680 Continuation US11009239B2 (en) 2017-12-25 2018-12-11 Fresh air dehumidification device and packaged terminal air conditioner using same

Publications (1)

Publication Number Publication Date
WO2018196887A1 true WO2018196887A1 (fr) 2018-11-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/092726 WO2018196887A1 (fr) 2017-04-27 2018-06-26 Unité ptac de fenêtre et appareil d'air frais à déshumidification

Country Status (1)

Country Link
WO (1) WO2018196887A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5511560B2 (ja) * 2010-07-13 2014-06-04 三菱電機株式会社 熱交換換気装置
CN103851708A (zh) * 2014-03-27 2014-06-11 广东志高暖通设备股份有限公司 一种窗式空调器
CN203704166U (zh) * 2014-01-09 2014-07-09 北京亚都环保科技有限公司 户式多功能除湿机
CN104279637A (zh) * 2013-07-04 2015-01-14 三星电子株式会社 除湿器
CN204693666U (zh) * 2015-04-13 2015-10-07 Tcl空调器(中山)有限公司 除湿机
CN105371386A (zh) * 2015-12-11 2016-03-02 珠海格力电器股份有限公司 一种空调新风一体机
CN106931533A (zh) * 2017-04-27 2017-07-07 广东志高暖通设备股份有限公司 Ptac窗机及其带除湿的新风装置
CN207299225U (zh) * 2017-04-27 2018-05-01 广东志高暖通设备股份有限公司 Ptac窗机及其带除湿的新风装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5511560B2 (ja) * 2010-07-13 2014-06-04 三菱電機株式会社 熱交換換気装置
CN104279637A (zh) * 2013-07-04 2015-01-14 三星电子株式会社 除湿器
CN203704166U (zh) * 2014-01-09 2014-07-09 北京亚都环保科技有限公司 户式多功能除湿机
CN103851708A (zh) * 2014-03-27 2014-06-11 广东志高暖通设备股份有限公司 一种窗式空调器
CN204693666U (zh) * 2015-04-13 2015-10-07 Tcl空调器(中山)有限公司 除湿机
CN105371386A (zh) * 2015-12-11 2016-03-02 珠海格力电器股份有限公司 一种空调新风一体机
CN106931533A (zh) * 2017-04-27 2017-07-07 广东志高暖通设备股份有限公司 Ptac窗机及其带除湿的新风装置
CN207299225U (zh) * 2017-04-27 2018-05-01 广东志高暖通设备股份有限公司 Ptac窗机及其带除湿的新风装置

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