CN105371386A - Air conditioner fresh air all-in-one machine - Google Patents
Air conditioner fresh air all-in-one machine Download PDFInfo
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- CN105371386A CN105371386A CN201510925678.5A CN201510925678A CN105371386A CN 105371386 A CN105371386 A CN 105371386A CN 201510925678 A CN201510925678 A CN 201510925678A CN 105371386 A CN105371386 A CN 105371386A
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- air
- fresh air
- new wind
- air conditioner
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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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)
Abstract
The invention discloses an air conditioner fresh air all-in-one machine. The air conditioner fresh air all-in-one machine comprises a compressor, an evaporator and a condenser, wherein the compressor, the evaporator and the condenser are mounted in the same machine body; the machine body comprises a fresh air channel; the fresh air channel is formed in the upper part of the machine body and comprises a fresh air inlet and a fresh air outlet which are formed in opposite sides of the machine body; the evaporator is arranged at the fresh air inlet; and a filter unit is further arranged in the fresh air channel. The air conditioner fresh air all-in-one machine not only can supply fresh air, but also can be used for pre-cooling or pre-heating the fresh air, and further can be used for filtering the fresh air, so that an indoor environment can be fresh, healthful and comfortable.
Description
Technical field
The present invention relates to air-conditioning technical field, be specifically related to a kind of air conditioner fresh air all-in-one.
Background technology
For improving indoor air quality and level of comfort, increasing family or office install an air-conditioner equipment and VMC simultaneously.On the one hand, can take more space like this, and installation is wasted time and energy, on the other hand, the disposable economic input of two equipment is also larger.
In addition, also there is the air-conditioning system having air-conditioning and new wind function concurrently in prior art, such as kitchen air conditioner system disclosed in patent 200720188268.8.This kitchen air conditioner system can will be sent in kitchen after pre-cooling of fresh air, provide fresh cold air to kitchen, to provide comfortable cooking environments.But, the evaporimeter of this air-conditioning system is arranged on fuselage afterbody and close body bottom surface, after completion of installation the new wind entrance of VMC just to and near body of wall, simultaneously also near ground (ground of balcony ground or air-conditioning erecting bed), thus make the new wind in ingress engine have to first skim over ground and metope, one can be mingled with more dust, make to send into indoor air unclean, two too closely also can cause air intake not smooth by body of wall.In addition, this kitchen air conditioner system is only blown by the breeze fan coaxial with condensation fan, when there being static pressure or static pressure change time, air quantity often can not meet the demands.
Summary of the invention
In view of the above-mentioned present situation of prior art, the object of a first aspect of the present invention is to provide a kind of air conditioner fresh air all-in-one, and it can provide the fresh clean air of precooling (preheating) to indoor.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of air conditioner fresh air all-in-one, it comprises the compressor, evaporimeter and the condenser that are arranged in same fuselage, described fuselage interior comprises new wind passage, described new wind channel setting is on the top of described fuselage, described new wind passage comprises the new wind entrance and the outlet of new wind that are arranged on fuselage opposition side, described evaporimeter is arranged on described new wind porch, is also provided with filter element in described new wind passage.
Preferably, described filter element comprises the second filtration subelement being placed in first of vaporizer upstream side and filtering subelement and/or be placed in evaporimeter downstream, wherein, described first filters subelement comprises primary efficient filter screen, and described second filters subelement comprises medium air filtration net and/or activated charcoal strainer and/or high efficiency particulate air.
Preferably, the sidewall of described fuselage or roof are provided with access hole able to turn on or off, the size of described access hole and position are arranged to allow described filter element to pass through.
Preferably, described fuselage interior also comprises the outer circulation passage being positioned at bottom, and described condenser is arranged on the porch of described outer circulation passage.
Preferably, also comprise the coaxial blower fan of evaporative condenser, the coaxial blower fan of described evaporative condenser comprises the first fan blade and the second fan blade, and the coaxial blower fan of described evaporative condenser is arranged in described fuselage in the mode of axis vertical, and described first fan blade is arranged in described new wind passage.
Preferably, described second fan blade is positioned at the middle part of described fuselage, and the lower limb of described second fan blade is higher than the top edge of described condenser.
Preferably, also comprise booster fan, described booster fan comprises the 3rd fan blade, and described 3rd fan blade is arranged in described new wind passage.
Preferably, described evaporimeter and/or described condenser are U-shaped.
Preferably, also comprise separate condensation fan and breeze fan, wherein said breeze fan is arranged in described new wind passage in the mode of axis horizontal.
Preferably, described breeze fan is high-static pressure fan.
Preferably, described evaporimeter is U-shaped.
Air conditioner fresh air all-in-one of the present invention both can send new wind, precooling or preheating can be carried out again to new wind, impurity such as dust and the new wind in ingress engine is not easily carried under one's arms, but also filtration treatment can be carried out to new wind, thus provide fresh, healthy, comfortable environment for indoor.Air conditioner fresh air all-in-one of the present invention, compared to traditional air-conditioning and new blower fan, only needs a complete machine, and it is convenient to install, and economic input is few.Further, according to static pressure size, the rotation speed of fan of air conditioner fresh air all-in-one of the present invention is adjustable, to ensure that sending into indoor air quantity meets the demands.
Accompanying drawing explanation
Be described hereinafter with reference to the preferred embodiment of accompanying drawing to air conditioner fresh air all-in-one according to the present invention.In figure:
Fig. 1 is the schematic elevational view of a kind of embodiment of air conditioner fresh air all-in-one of the present invention;
Fig. 2 is the schematic elevational view of the another kind of embodiment of air conditioner fresh air all-in-one of the present invention;
Fig. 3 is the schematic plan of the embodiment of Fig. 2;
Fig. 4 is the schematic diagram of screen pack rapid-assembling/disassembling in the present invention;
Fig. 5 is the screen pack partial view being in installment state observed in the horizontal direction;
Fig. 6 is that the one of the coaxial blower fan of evaporative condenser in one embodiment of the present invention installs fixed form;
Fig. 7 is that the another kind of the coaxial blower fan of evaporative condenser in one embodiment of the present invention installs fixed form.
Detailed description of the invention
First see Fig. 1 and Fig. 2, which show schematically the structure of the air conditioner fresh air all-in-one of two kinds of embodiments of the present invention.The air conditioner fresh air all-in-one of these two kinds of embodiments includes the compressor 1 be arranged in same fuselage, evaporimeter 7 and condenser 5.Wherein, described fuselage interior comprises new wind passage, and described new wind passage is preferably arranged on the top of described fuselage.Described new wind passage comprises the new wind entrance and the outlet of new wind that are arranged on fuselage opposition side, and described evaporimeter is arranged on described new wind porch, and new wind exit such as can arrange the appendix 17 be connected with fuselage, is sent into by new wind indoor.
Because new wind passage is positioned at the top of described fuselage, thus can, away from ground (balcony ground, air-conditioning erecting bed ground etc.), new wind be avoided to be mingled with dust etc.; Because new wind outlet and new wind entrance are arranged on the opposition side of fuselage, normally, its new wind outlet will near body of wall or forms etc. when completing installation for this air conditioner fresh air all-in-one, thus, new wind entrance will deviate from body of wall or forms all the time, thus avoid new wind and must skim over the unfavorable situation that body of wall or forms enter new wind passage again.
Simultaneously, bad when considering open-air quality fashion, such as have the bad weather such as haze, sand and dust, air conditioner fresh air all-in-one of the present invention is also provided with filter element in described new wind passage, to carry out filtration treatment to new wind, thus ensure that sending into the newly air-dry of indoor defecates newly.
Air conditioner fresh air all-in-one of the present invention is suitable for being arranged on the ground such as outside or balcony, and as shown in the figure, new wind is entering the initial stage of new wind passage, with evaporimeter 7, heat exchange will occur and carry out heating up or lowering the temperature.Simultaneously, because new wind entrance deviates from body of wall or forms away from ground, first ensure that new wind can not be mingled with the dust in ground or corner, the dust granule in air then can carry out filtration treatment by filter element, thus can ensure to provide clean, comfortable fresh air to indoor.
Visible, air conditioner fresh air all-in-one of the present invention both can send new wind, can carry out precooling or preheating again to new wind, also can carry out filtration treatment to new wind, thus provided fresh, healthy, comfortable environment for indoor.
Preferably, still as illustrated in fig. 1 and 2, in air conditioner fresh air all-in-one of the present invention, described filter element comprises the second filtration subelement being placed in first of evaporimeter 7 upstream side and filtering subelement and/or be placed in evaporimeter 7 downstream.At this, upstream side and downstream are for the flow direction of new wind.
Wherein, first filters subelement preferably includes primary efficient filter screen 6, and it is for primary filter, such as, for filtering 5 μm with dust particles.Second filters subelement can comprise medium air filtration net 11 and/or activated charcoal strainer 12 and/or high efficiency particulate air 14.Such as, medium air filtration net can be used for filtering the particle dust of 1-55 μm and various suspension, and high efficiency particulate air can be used for the particle dust of filtration less than 0.5 μm and various suspension, and activated charcoal strainer then can be used for removing peculiar smell and pernicious gas.First filters the combination that subelement and second filters the multiple different screen pack of subelement, can carry out more efficiently except the process such as haze, deodorizing, such as, can realize reaching more than 90% to the filterability of PM2.5 to new wind.
Owing to being free air-flow to move all the time in air conditioner fresh air all-in-one of the present invention operationally new wind passage, thus the frequency of utilization of filter element is higher, and in this case, the maintenance of filter element (especially second filtering subelement) will be comparatively frequent.For this reason, the present invention is provided with access hole able to turn on or off on the fuselage side wall or roof of air conditioner fresh air all-in-one, for each screen pack of replacing, especially second filters the screen pack in subelement.For this reason, the size of described access hole and position should be arranged to allow described filtration subelement to pass through, such as, be arranged on the position facing screen pack, shape can be rectangle, and the length of rectangle is more than or equal to the length of screen pack, and width is then more than or equal to the general thickness of each screen pack.
Access hole preferably realizes closing by hinge type cover plate, and the free end of cover plate is such as undertaken fastening by screw or buckle.Alternatively, access hole is also closed by the cover plate of other form, such as, and the mode of one end grafting other end engaging, etc.
Preferably, each screen pack so that the mode changed is arranged on fuselage interior, such as, by structures such as chutes, thus can be changed easily when without the need to pulling down casing.Fig. 4 schematically illustrates the situation of each screen pack rapid-assembling/disassembling in a sliding manner along water direction.Such as, be respectively each screen pack in fuselage and be provided with independent chute, thus each screen pack can be installed and removed individually, safeguard to carry out replacing targetedly.Alternatively, also only can arrange a chute in fuselage, the width of this chute such as equals the gross thickness after each screen packs, thus each screen pack integrally need carry out slip mounting or dismounting.
Preferably, for ensureing that screen pack installs the sealing of rear perimeter edge, in chute, can elaxtic seal be set, or chute is arranged on elaxtic seal.Such as, as shown in Figure 5, the elaxtic seal (such as zigzag foam) of groove structure can be provided with at the periphery of screen pack, thus prevent the periphery of each screen pack from producing leakage, enter indoor to avoid the air of filtered.
As depicted in figs. 1 and 2, in air conditioner fresh air all-in-one of the present invention, described new wind passage is positioned at back, and such as, new wind enters and substantially horizontally flows to the right on the left of fuselage, and sends into indoor via the appendix 17 of roughly contour setting.Preferably, fuselage interior also comprises the outer circulation passage being positioned at bottom, and described condenser 5 is arranged on the porch of described outer circulation passage.Condensation air intake enter after outer circulation passage with condenser generation heat exchange, the heat (cold) that condensing heat-exchange produces is taken away and is blown to beyond fuselage.
In the embodiment shown in Fig. 1, preferably, also comprise the coaxial blower fan 9 of evaporative condenser, the coaxial blower fan of described evaporative condenser 9 comprises the first fan blade (preferred centrifugation blade) 10 and the second fan blade (preferred centrifugation blade) 3, wherein, the coaxial blower fan of described evaporative condenser 9 is arranged in described fuselage in the mode of axis vertical, and described first fan blade 10 and wind-guiding spiral case 8 thereof are arranged in described new wind passage, such as, be positioned at the upstream side that described second filters subelement.
Second fan blade 3 and wind-guiding spiral case 4 thereof are arranged in outer circulation passage, such as, be positioned at the middle part on the left of fuselage, and preferably, the lower limb of described second fan blade 3 is higher than the top edge (see Fig. 1) of described condenser 5.Because the second fan blade 3 in height staggers completely with condenser 5, therefore the entrance and exit of present embodiment China and foreign countries circulation canal can be arranged on the same side of fuselage, such as, on the left of illustrated fuselage, is also, the side away from body of wall can be arranged on, thus ensure that air inlet/outlet is smooth and easy without hindrance.
Particularly, the coaxial blower fan 9 of evaporative condenser can adopt the mode of Fig. 6 or Fig. 7 to be fixed.Such as, as shown in Figure 6, on the motor housing of this blower fan, towards that side of the first fan blade (namely fixing (such as welding, preferred spot welding) be connected with, such as three right angle racks 26 upward), bolt 27 is fixed to wind-guiding spiral case 8 through the bolt hole on right angle rack 26.Because wind-guiding spiral case 8 is fixed on fuselage, the motor of this blower fan is fixed thus.Again such as, as shown in Figure 7, the motor housing of this blower fan is fixed and (such as welds, preferred spot welding) be connected with towards that side of the second fan blade (namely, such as three right angle racks 28 down), the dividing plate 25 that bolt 29 is fixed in fuselage through the bolt hole on right angle rack 28.Because dividing plate 25 belongs to the structural member of fuselage interior, therefore the motor of this blower fan can be firmly fixed.In the application, dividing plate 25 is fixed except some component except being used for installation, and another important function is separated in space in machine, thus forms independently new wind passage and outer circulation passage etc.
When the coaxial blower fan 9 of evaporative condenser runs, first fan blade 10 and the second fan blade 3 rotate simultaneously, produce suction respectively, wherein, air (i.e. new wind) sucks in new wind passage by the suction of the first fan blade 10, and with evaporimeter 7 heat exchange after blow to described second and filter subelement; The suction of the second fan blade 3 is by air intake outer circulation passage, and this i.e. condensation air intake, after this partial air and condenser generation heat exchange, then is blown to beyond fuselage.
Consider that static pressure changes, such as the change of appendix length, and consider the resistance of such as the second filtration subelement, air conditioner fresh air all-in-one of the present invention preferably also comprises booster fan 16, to adapt to different air quantity requirements.Described booster fan 16 comprises the 3rd fan blade (preferred centrifugation blade) 15, and described 3rd fan blade 15 and wind-guiding spiral case 14 thereof are arranged in described new wind passage, is preferably placed at the downstream that described second filters subelement.Such as, according to static pressure size, the rotating speed of adjustable booster fan 16, thus ensure that air quantity meets the demands.
Preferably, in present embodiment, described evaporimeter 7 and/or described condenser 5 can be U-shaped.Such as, when evaporimeter 7 is U-shaped, its can in left side, front side and rear side surround the first fan blade 10, correspondingly, fuselage also can arrange air inlet on these three, thus increases the heat exchange area of incoming air area and new wind and evaporimeter, raising heat-transfer effect.In the illustrated embodiment, because the air inlet of outer circulation passage and air outlet be not on sustained height, condenser 5 also can adopt U-shaped condenser, thus realizes three air intakes at underbelly, increases incoming air area and heat exchange area, improves heat-transfer effect.
In the present embodiment, the controller 2 of air conditioner fresh air all-in-one such as can be arranged in the intermediate space of U-shaped condenser, thus has both saved space in machine, and air can not be hindered again to flow.Typically, compressor 1 can be arranged in the lower space in fuselage, such as contour with condenser 5, controller 2 position.It is envisioned that compressor 1 and controller 2 also can be arranged on other suitable position.
In the embodiment shown in figure 2, preferably, also comprise separate condensation fan 19 and breeze fan 21, wherein said breeze fan 21 is arranged in described new wind passage, is preferably placed at the downstream of at least one the second screen pack described.Also namely, present embodiment is compared with the embodiment of Fig. 1, and a main distinction is not use the coaxial blower fan of evaporative condenser.
Preferably, owing to only arranging a blower fan in new wind passage, consider that static pressure changes, the such as change of appendix length, and consider the resistance of such as the second filtration subelement, the described breeze fan 21 in present embodiment is high-static pressure fan, to adapt to air quantity requirement.Described high-static pressure fan preferably includes centrifugation blade 23 and wind-guiding case 22, as shown in Figure 3.When high-static pressure fan 21 runs, new wind can be sucked new wind passage from left side, and sequentially through after each screen pack, then send into indoor through appendix 17.According to static pressure size, the rotating speed of adjustable high-static pressure fan 21, thus ensure that air quantity meets the demands.
Owing to not using the coaxial blower fan of evaporative condenser, the condensation fan 19 in present embodiment can be arranged to condenser 5 contour, and preferably includes axial-flow leaf 20.Such as, condensation air intake can enter on the left of fuselage, and sends on front side of fuselage.
Preferably, in present embodiment, described evaporimeter 7 can be U-shaped, and new wind can be entered at the left side of back, front side and rear side, thus increases the heat exchange area of incoming air area and new wind and evaporimeter, improves heat-transfer effect.
In the present embodiment, compressor 1 can be arranged in the lower space in fuselage, such as contour with condenser 5, condensation fan 19 position.The controller 2 of air conditioner fresh air all-in-one such as can be arranged in the central space in fuselage, such as, be positioned at the top of compressor 1.It is envisioned that compressor 1 and controller 2 also can be arranged on other suitable position.
In illustrated two kinds of embodiments, air conditioner fresh air all-in-one all adopts the air-out mode of side air-out (such as right air-out), but, by changing the direction of booster fan 16 or high-static pressure fan 21, easily can transfer other air-out mode to, such as go up air-out, to meet different installation requirements.
Air conditioner fresh air all-in-one of the present invention such as can be placed in the outsides such as balcony, and appendix such as through body of wall or forms preformed hole, and is connected with the air outlet assembly 18 being placed in indoor, thus is sent into by cold (heat) air of fresh and healthy indoor.
Air conditioner fresh air all-in-one of the present invention can meet send new wind, new wind filters, precooling/preheat function, convenient and practical.This all-in-one is installed on outdoor, and new wind is sent into indoor by appendix, even if static pressure is comparatively large, air quantity also can meet the demands.Indoor then only need to install air outlet assembly, both decrease taking the interior space, can allow again indoor away from noise simultaneously.
Air conditioner fresh air all-in-one of the present invention is applicable to room, study, kitchen, bathroom and other is without the multiple occasion such as window or the not good room of ventilation effect, and the scope of application is wide.
Air conditioner fresh air all-in-one of the present invention, compared to traditional air-conditioning and new blower fan, only needs a complete machine, and it is convenient to install, and economic input is few.
Those skilled in the art will readily understand, under the prerequisite of not conflicting, above-mentioned each preferred version freely can combine, superpose.
Be to be understood that, above-mentioned embodiment is only exemplary, and it is nonrestrictive, when not departing from general principle of the present invention, the various obvious or equivalent amendment that those skilled in the art can make for above-mentioned details or replacement, all will be contained in right of the present invention.
Claims (11)
1. an air conditioner fresh air all-in-one, it comprises the compressor, evaporimeter and the condenser that are arranged in same fuselage, it is characterized in that, described fuselage interior comprises new wind passage, described new wind channel setting is on the top of described fuselage, described new wind passage comprises the new wind entrance and the outlet of new wind that are arranged on fuselage opposition side, and described evaporimeter is arranged on described new wind porch, is also provided with filter element in described new wind passage.
2. air conditioner fresh air all-in-one according to claim 1, it is characterized in that, described filter element comprises the second filtration subelement being placed in first of vaporizer upstream side and filtering subelement and/or be placed in evaporimeter downstream, wherein, described first filters subelement comprises primary efficient filter screen, and described second filters subelement comprises medium air filtration net and/or activated charcoal strainer and/or high efficiency particulate air.
3. air conditioner fresh air all-in-one according to claim 1 and 2, is characterized in that, the sidewall of described fuselage or roof are provided with access hole able to turn on or off, and the size of described access hole and position are arranged to allow described filter element to pass through.
4. according to the air conditioner fresh air all-in-one one of claim 1-3 Suo Shu, it is characterized in that, described fuselage interior also comprises the outer circulation passage being positioned at bottom, and described condenser is arranged on the porch of described outer circulation passage.
5. according to the air conditioner fresh air all-in-one one of claim 1-4 Suo Shu, it is characterized in that, also comprise the coaxial blower fan of evaporative condenser, the coaxial blower fan of described evaporative condenser comprises the first fan blade and the second fan blade, the coaxial blower fan of described evaporative condenser is arranged in described fuselage in the mode of axis vertical, and described first fan blade is arranged in described new wind passage.
6. air conditioner fresh air all-in-one according to claim 5, is characterized in that, described second fan blade is positioned at the middle part of described fuselage, and the lower limb of described second fan blade is higher than the top edge of described condenser.
7. the air conditioner fresh air all-in-one according to claim 5 or 6, is characterized in that, also comprise booster fan, and described booster fan comprises the 3rd fan blade, and described 3rd fan blade is arranged in described new wind passage.
8. according to the air conditioner fresh air all-in-one one of claim 5-7 Suo Shu, it is characterized in that, described evaporimeter and/or described condenser are U-shaped.
9. according to the air conditioner fresh air all-in-one one of claim 1-4 Suo Shu, it is characterized in that, also comprise separate condensation fan and breeze fan, wherein said breeze fan is arranged in described new wind passage in the mode of axis horizontal.
10. air conditioner fresh air all-in-one according to claim 9, is characterized in that, described breeze fan is high-static pressure fan.
11. air conditioner fresh air all-in-ones according to claim 9 or 10, it is characterized in that, described evaporimeter is U-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925678.5A CN105371386A (en) | 2015-12-11 | 2015-12-11 | Air conditioner fresh air all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510925678.5A CN105371386A (en) | 2015-12-11 | 2015-12-11 | Air conditioner fresh air all-in-one machine |
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| CN105371386A true CN105371386A (en) | 2016-03-02 |
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| CN201510925678.5A Pending CN105371386A (en) | 2015-12-11 | 2015-12-11 | Air conditioner fresh air all-in-one machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106931533A (en) * | 2017-04-27 | 2017-07-07 | 广东志高暖通设备股份有限公司 | PTAC windows machine and its aeration device with dehumidifying |
| 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 |
| CN108758948A (en) * | 2018-06-26 | 2018-11-06 | 安徽应力环保科技有限公司 | A kind of integrated-type fresh air conditioner all-in-one machine |
| CN112097359A (en) * | 2020-09-22 | 2020-12-18 | 江西艾斯欧匹精密智造科技有限公司 | Vertical heat recovery fresh air fan convenient to maintainer operation |
| US11009239B2 (en) | 2017-12-25 | 2021-05-18 | Guangdong Chigo Heating AND Ventilation Equipment Co., Ltd. | Fresh air dehumidification device and packaged terminal air conditioner using same |
| CN113719944A (en) * | 2021-09-09 | 2021-11-30 | 苏州行净环保科技有限公司 | Efficient filtering method for air pollution |
| CN114877467A (en) * | 2022-07-12 | 2022-08-09 | 航电中和山东医疗技术有限公司 | Wind-sense-free mute energy-saving fresh air system |
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Application publication date: 20160302 |