CN205174586U - New fan of adjustable amount of wind size - Google Patents
New fan of adjustable amount of wind size Download PDFInfo
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- CN205174586U CN205174586U CN201520840454.XU CN201520840454U CN205174586U CN 205174586 U CN205174586 U CN 205174586U CN 201520840454 U CN201520840454 U CN 201520840454U CN 205174586 U CN205174586 U CN 205174586U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
本实用新型提供一种可调风量大小的新风机，其通过将位于室内的回风口接入入风口，实现了室外新风送入与室内空气循环两种工作模式，并通过入风口与回风口处风量阀的设置以及通风道的设置，使这两种工作模式能够同时存在并共同提供新风。在室外空气质量较好时，可将室外新风吸入量调高，并调低回风吸入量，此时若室内空气较差，也可关闭回风口，使室内只通入室外新风以调节室内环境，在室内空气质量转好时再开启回风口，增加室内空气置换的效果；在室外空气质量较差时，可关闭入风口，只开启回风口，以保持室内空气流通，改善室内环境。
The utility model provides a fresh fan with adjustable air volume, which realizes two working modes of outdoor fresh air sending and indoor air circulation by connecting the indoor return air outlet to the air inlet, and through the air inlet and the return air outlet. The setting of the air volume valve and the setting of the air duct enable these two working modes to exist simultaneously and jointly provide fresh air. When the outdoor air quality is good, the outdoor fresh air intake can be increased, and the return air intake can be decreased. At this time, if the indoor air is poor, the return air outlet can also be closed so that only the outdoor fresh air is introduced into the room to adjust the indoor environment. , when the indoor air quality is better, open the return air outlet to increase the effect of indoor air replacement; when the outdoor air quality is poor, you can close the air inlet and only open the return air outlet to maintain indoor air circulation and improve the indoor environment.
Description
技术领域technical field
本实用新型涉及暖通领域，尤其涉及一种可调风量大小的新风机。The utility model relates to the field of heating and ventilation, in particular to a fresh fan with adjustable air volume.
背景技术Background technique
现有的新风机一般均是通过离心风轮直接将室外的新风从其入风口处吸入，在过滤后再从送风口送入室内，以为室内提供新风，改善室内环境。但这种新风机只起到了最起码的吸风、送风的功能，没有切换室外新风送入与室内空气循环的功能，若室外的污染太严重，则室外的受污染的风也会被送入室内，从而导致室内空气质量变差，反而起到了反作用。Existing fresh air fans generally all directly suck the outdoor fresh air from its air inlet through the centrifugal wind wheel, and then send it into the room from the air supply port after filtering, so as to provide fresh air indoors and improve the indoor environment. However, this kind of fresh air fan only has the minimum function of suction and air supply, and does not have the function of switching between the outdoor fresh air supply and indoor air circulation. If the outdoor pollution is too serious, the outdoor polluted air will also be sent Into the room, resulting in poor indoor air quality, but played a counterproductive.
实用新型内容Utility model content
本实用新型提供一种可调风量大小的新风机，以增加室内空气循环的功能，且新风吸入量及室内回风吸入量均可调，使室外新风送入及室内空气循环两种模式能够同时存在，以适应室内外各种复杂的环境情况，并增加室内空气置换的效果。The utility model provides a fresh fan with adjustable air volume to increase the function of indoor air circulation, and the fresh air intake and indoor return air intake can be adjusted, so that the two modes of outdoor fresh air delivery and indoor air circulation can be simultaneously It exists to adapt to various complex indoor and outdoor environmental conditions and increase the effect of indoor air replacement.
为达到上述目的，本实用新型提供一种可调风量大小的新风机，其包括壳体、直流无刷电机和离心风轮，所述直流无刷电机与所述离心风轮电信连接，所述壳体具有分别位于其相对两侧的入风口和送风口以及接入所述入风口的回风口，所述入风口位于室外，所述送风口和回风口均位于室内，且分别与同位于室内的送风管道和回风管道连接，所述入风口与送风口之间具有通风道，所述离心风轮设置于所述通风道中，室外的新风以及室内的回风分别经过所述入风口和回风口进入所述通风道内，并依次通过离心风轮和送风口吹入室内，所述入风口和回风口中均设有风量阀。In order to achieve the above purpose, the utility model provides a fresh fan with adjustable air volume, which includes a housing, a DC brushless motor and a centrifugal wind wheel, the DC brushless motor is connected to the centrifugal wind wheel by telecommunication, and the The casing has an air inlet and an air supply port respectively located on opposite sides thereof and a return air port connected to the air inlet. The air supply duct and the return air duct are connected, and there is an air channel between the air inlet and the air supply port. The centrifugal wind wheel is arranged in the air channel, and the outdoor fresh air and the indoor return air pass through the air inlet and the air return channel respectively. The air return port enters the air passage, and is blown into the room through the centrifugal wind wheel and the air supply port in turn, and the air volume valves are arranged in the air inlet port and the air return port.
进一步的，所述可调风量大小的新风机还包括高效过滤装置和水冷装置，所述高效过滤装置、水冷装置和离心风轮顺序设置于所述通风道中，入风口处的风依次通过所述高效过滤装置、水冷装置和离心风轮吹入室内。Further, the fresh air fan with adjustable air volume also includes a high-efficiency filter device and a water-cooling device, the high-efficiency filter device, water-cooling device and centrifugal wind wheel are sequentially arranged in the air duct, and the wind at the air inlet passes through the High-efficiency filtration device, water cooling device and centrifugal wind wheel are blown into the room.
进一步的，所述可调风量大小的新风机还包括压差开关，所述压差开关设置于位于所述高效过滤装置与水冷装置之间的所述壳体内侧，并与所述直流无刷电机电信连接。Further, the fresh air fan with adjustable air volume also includes a differential pressure switch, the differential pressure switch is arranged inside the casing between the high-efficiency filter device and the water cooling device, and is connected to the DC brushless Motor telecommunication connection.
进一步的，所述水冷装置为表冷器，所述表冷器的进、出水管与风冷热泵的出、进水管相接。Further, the water cooling device is a surface cooler, and the water inlet and outlet pipes of the surface cooler are connected with the water outlet and inlet pipes of the air-cooled heat pump.
进一步的，所述可调风量大小的新风机还包括电加热装置，所述电加热装置设置于所述送风口处，并与所述壳体可拆卸式连接。Further, the fresh air fan with adjustable air volume also includes an electric heating device, which is arranged at the air outlet and is detachably connected to the housing.
进一步的，所述电加热装置包括安装座和设置于所述安装座上的电加热网，靠近所述送风口处的壳体上具有一开口，所述电加热网穿过所述开口进入所述壳体中，所述安装座与所述壳体可拆卸式连接，风依次通过所述电加热网和送风口吹入室内。Further, the electric heating device includes a mounting base and an electric heating grid arranged on the mounting base, and there is an opening on the housing near the air outlet, and the electric heating grid passes through the opening and enters the heating grid. In the casing, the mounting base is detachably connected to the casing, and the wind is blown into the room through the electric heating network and the air outlet in sequence.
进一步的，所述高效过滤装置包括初效过滤网和中效过滤网，风依次通过所述初效过滤网和中效过滤网到达所述水冷装置。Further, the high-efficiency filter device includes a primary-effect filter and a medium-efficiency filter, and the wind passes through the primary-effect filter and the medium-effect filter in sequence to reach the water cooling device.
进一步的，所述可调风量大小的新风机还包括控制系统，所述控制系统位于室内并与所述风量阀电信连接。Further, the fresh air blower with adjustable air volume also includes a control system, which is located indoors and connected to the air volume valve by telecommunication.
进一步的，所述可调风量大小的新风机还包括空气质量检测装置，所述空气质量检测装置设置于室内，并与所述控制系统电信连接。Further, the fresh air blower with adjustable air volume also includes an air quality detection device, which is installed indoors and connected to the control system by telecommunication.
与现有技术相比，本实用新型具有以下有益效果：Compared with the prior art, the utility model has the following beneficial effects:
本实用新型提供的可调风量大小的新风机通过将位于室内的回风口接入入风口，实现了室外新风送入与室内空气循环两种工作模式，并通过入风口与回风口处风量阀的设置以及通风道的设置，使这两种工作模式能够同时存在并共同提供新风。在室外空气质量较好时，可将室外新风吸入量调高，并调低回风吸入量，此时若室内空气较差，也可关闭回风口，使室内只通入室外新风以调节室内环境，在室内空气质量转好时再开启回风口，增加室内空气置换的效果；在室外空气质量较差时，可关闭入风口，只开启回风口，以保持室内空气流通，改善室内环境。The fresh air fan with adjustable air volume provided by the utility model realizes two working modes of outdoor fresh air feeding and indoor air circulation by connecting the indoor air return port to the air inlet, and through the air volume valve at the air inlet and return air The setting and the setting of the air duct enable these two working modes to exist simultaneously and jointly provide fresh air. When the outdoor air quality is good, the outdoor fresh air intake can be increased, and the return air intake can be decreased. At this time, if the indoor air is poor, the return air outlet can also be closed, so that only the outdoor fresh air is introduced into the room to adjust the indoor environment. , when the indoor air quality is better, open the return air outlet to increase the effect of indoor air replacement; when the outdoor air quality is poor, you can close the air inlet and only open the return air outlet to maintain indoor air circulation and improve the indoor environment.
附图说明Description of drawings
下面结合附图对本实用新型作进一步说明：Below in conjunction with accompanying drawing, the utility model is further described:
图1为本实用新型实施例提供的可调风量大小的新风机的主视图；Fig. 1 is the front view of the fresh fan with adjustable air volume provided by the utility model embodiment;
图2为本实用新型实施例提供的可调风量大小的新风机的俯视图。Fig. 2 is a top view of the fresh air blower with adjustable air volume provided by the embodiment of the present invention.
在图1和图2中，In Figures 1 and 2,
1：高效过滤装置；11：初效过滤网；12：中效过滤网；2：水冷装置；21：进水管；22：出水管；3：离心风轮；4：壳体；41：入风口；42：送风口；43：开口；44：回风口；5：压差开关；6：电加热装置；61：安装座；62：电加热网；7：风量阀。1: high efficiency filter device; 11: primary filter; 12: medium filter; 2: water cooling device; 21: water inlet pipe; 22: water outlet pipe; 3: centrifugal wind wheel; 4: housing; 41: air inlet ;42: air supply port; 43: opening; 44: air return port; 5: differential pressure switch; 6: electric heating device; 61: mounting base; 62: electric heating network;
具体实施方式detailed description
以下结合附图和具体实施例对本实用新型提出的可调风量大小的新风机作进一步详细说明。根据下面说明和权利要求书，本实用新型的优点和特征将更清楚。需说明的是，附图均采用非常简化的形式且均使用非精准的比率，仅用以方便、明晰地辅助说明本实用新型实施例的目的。The fresh air blower with adjustable air volume proposed by the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that the drawings are all in very simplified form and use imprecise ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiment of the present utility model.
本实用新型的核心思想在于，提供一种可调风量大小的新风机，其通过将位于室内的回风口接入入风口，实现了室外新风送入与室内空气循环两种工作模式，并通过入风口与回风口处风量阀的设置以及通风道的设置，使这两种工作模式能够同时存在并共同提供新风。在室外空气质量较好时，可将室外新风吸入量调高，并调低回风吸入量，此时若室内空气较差，也可关闭回风口，使室内只通入室外新风以调节室内环境，在室内空气质量转好时再开启回风口，增加室内空气置换的效果；在室外空气质量较差时，可关闭入风口，只开启回风口，以保持室内空气流通，改善室内环境。The core idea of the utility model is to provide a fresh fan with adjustable air volume, which realizes two working modes of outdoor fresh air sending and indoor air circulation by connecting the indoor return air outlet to the air inlet, and through the inlet The setting of the air volume valve at the air outlet and the return air outlet and the setting of the ventilation channel enable these two working modes to exist at the same time and provide fresh air together. When the outdoor air quality is good, the outdoor fresh air intake can be increased, and the return air intake can be decreased. At this time, if the indoor air is poor, the return air outlet can also be closed, so that only the outdoor fresh air is introduced into the room to adjust the indoor environment. , when the indoor air quality is better, open the return air outlet to increase the effect of indoor air replacement; when the outdoor air quality is poor, you can close the air inlet and only open the return air outlet to maintain indoor air circulation and improve the indoor environment.
请参考图1和图2，图1为本实用新型实施例提供的可调风量大小的新风机的主视图；图2为本实用新型实施例提供的可调风量大小的新风机的俯视图。Please refer to Fig. 1 and Fig. 2, Fig. 1 is a front view of the fresh air fan with adjustable air volume provided by the embodiment of the utility model; Fig. 2 is a top view of the fresh air fan with adjustable air volume provided by the embodiment of the utility model.
如图1和图2所示，本实用新型实施例提供一种可调风量大小的新风机，其包括壳体4、直流无刷电机和离心风轮3，所述直流无刷电机与所述离心风轮3电信连接，所述壳体4具有分别位于其相对两侧的入风口41和送风口42以及接入所述入风口41的回风口44，所述入风口41位于室外，所述送风口42和回风口44均位于室内，且分别与同位于室内的送风管道和回风管道连接，所述入风口41与送风口42之间具有通风道，所述离心风轮3设置于所述通风道中，室外的新风以及室内的回风分别经过所述入风口41和回风口44进入所述通风道内，并依次通过离心风轮3和送风口42吹入室内，所述入风口41和回风口44中均设有风量阀7。As shown in Figure 1 and Figure 2, the embodiment of the utility model provides a fresh air fan with adjustable air volume, which includes a housing 4, a DC brushless motor and a centrifugal fan wheel 3, and the DC brushless motor is connected to the The centrifugal wind wheel 3 is connected by telecommunication, and the housing 4 has an air inlet 41 and an air supply outlet 42 respectively located on opposite sides thereof and a return air outlet 44 connected to the air inlet 41, and the air inlet 41 is located outdoors. Both the air supply port 42 and the air return port 44 are located indoors, and are respectively connected with the air supply duct and the return air duct located in the same room. There is an air duct between the air inlet 41 and the air supply port 42. The centrifugal wind wheel 3 is arranged on In the air duct, outdoor fresh air and indoor return air enter the air duct through the air inlet 41 and the air return port 44 respectively, and are blown into the room through the centrifugal wind wheel 3 and the air supply port 42 in turn. The air inlet 41 Air volume valve 7 is all provided in and air return port 44 .
本实用新型实施例提供的可调风量大小的新风机通过将位于室内的回风口44接入入风口41，实现了室外新风送入与室内空气循环两种工作模式，并通过入风口41与回风口44处风量阀7的设置以及通风道的设置，使这两种工作模式能够同时存在并共同提供新风。在室外空气质量较好时，可将室外新风吸入量调高，并调低回风吸入量，此时若室内空气较差，也可关闭回风口44，使室内只通入室外新风以调节室内环境，在室内空气质量转好时再开启回风口44，增加室内空气置换的效果；在室外空气质量较差时，可关闭入风口41，只开启回风口44，以保持室内空气流通，改善室内环境。The fresh fan with adjustable air volume provided by the embodiment of the utility model realizes two working modes of outdoor fresh air sending and indoor air circulation by connecting the indoor air return port 44 into the air inlet 41, and through the air inlet 41 and the return air. The setting of the air volume valve 7 at the tuyere 44 and the setting of the ventilation channel enable these two working modes to exist simultaneously and provide fresh air together. When the outdoor air quality is good, the outdoor fresh air intake can be adjusted up, and the return air intake can be lowered. At this time, if the indoor air is poor, the return air outlet 44 can also be closed, so that only the outdoor fresh air is introduced into the room to adjust the indoor air quality. environment, when the indoor air quality turns better, open the return air outlet 44 to increase the effect of indoor air replacement; environment.
另外，该新风机还采用了直流无刷电机作为离心风轮3的驱动装置，这大幅降低了新风机的能耗，且在安装现场可即时调整离心风轮3的风量、风压等参数，以应对各种复杂环境，满足实际复杂的现场环境要求。In addition, the new fan also uses a DC brushless motor as the driving device of the centrifugal wind wheel 3, which greatly reduces the energy consumption of the new fan, and the parameters such as the air volume and wind pressure of the centrifugal wind wheel 3 can be adjusted in real time at the installation site. To deal with various complex environments and meet the actual complex site environment requirements.
进一步的，所述可调风量大小的新风机还包括高效过滤装置1和水冷装置2，所述高效过滤装置1、水冷装置2和离心风轮3顺序设置于所述通风道中，入风口41处的风依次通过所述高效过滤装置1、水冷装置2和离心风轮3吹入室内。所述高效过滤装置1的中效过滤功能实现了PM2.5污染物的过滤，并通过水冷装置2的设置，使得该新风机能够对经过的新风进行加热或制冷，以满足用户的不同舒适度要求。Further, the fresh fan with adjustable air volume also includes a high-efficiency filter device 1 and a water-cooling device 2, and the high-efficiency filter device 1, water-cooling device 2 and centrifugal wind wheel 3 are sequentially arranged in the air duct, and the air inlet 41 The wind is blown into the room through the high-efficiency filter device 1, the water cooling device 2 and the centrifugal wind wheel 3 in sequence. The medium-efficiency filter function of the high-efficiency filter device 1 realizes the filtration of PM2.5 pollutants, and through the setting of the water-cooling device 2, the fresh air fan can heat or cool the passing fresh air to meet the different comfort levels of users Require.
进一步的，所述可调风量大小的新风机还包括压差开关5，所述压差开关5设置于位于所述高效过滤装置1与水冷装置2之间的所述壳体4内侧，并与所述直流无刷电机电信连接，所述压差开关5用于检测经过高效过滤装置1过滤后的新风的风压，当该风压小于预设值时说明高效过滤装置1的过滤网出现了较严重的堵塞情况，这时该压差开关5便会报警并同时控制所述直流无刷电机减慢或停止所述离心风轮3的转动。Further, the fresh air fan with adjustable air volume also includes a differential pressure switch 5, which is arranged inside the casing 4 between the high-efficiency filter device 1 and the water cooling device 2, and is connected with the The DC brushless motor is connected by telecommunication, and the differential pressure switch 5 is used to detect the wind pressure of the fresh air filtered by the high-efficiency filter device 1. In case of serious blockage, the differential pressure switch 5 will give an alarm and simultaneously control the brushless DC motor to slow down or stop the rotation of the centrifugal wind wheel 3 .
进一步的，所述水冷装置2为表冷器，所述表冷器的进、出水管21、22与空调水系统中的风冷热泵的出、进水管相接，以为所述表冷器提供冷、热水进行循环，从而对新风进行加热或制冷。Further, the water cooling device 2 is a surface cooler, and the water inlet and outlet pipes 21, 22 of the surface cooler are connected with the outlet and inlet pipes of the air-cooled heat pump in the air-conditioning water system, so as to provide Cold and hot water are circulated to heat or cool the fresh air.
进一步的，所述可调风量大小的新风机还包括电加热装置6，所述电加热装置6设置于所述送风口42处，并与所述壳体4可拆卸式连接。Further, the fresh air blower with adjustable air volume also includes an electric heating device 6 , which is arranged at the air supply port 42 and detachably connected with the casing 4 .
在本实施例中，所述电加热装置6包括安装座61和设置于所述安装座61上的电加热网62，靠近所述送风口42处的壳体4上具有一开口43，所述电加热网62穿过所述开口43进入所述壳体4中，所述安装座61与所述壳体4可拆卸式连接，风依次通过所述电加热网62和送风口42吹入室内，在表冷器的加热效果不达预期时，可在壳体4上安装所述电加热装置6，以加强加热效果，所述电加热装置6的可拆卸功能也使其能够在不使用的情况下被拆下，消除其对风量、风压的阻碍。In this embodiment, the electric heating device 6 includes a mounting base 61 and an electric heating grid 62 arranged on the mounting base 61, and an opening 43 is provided on the casing 4 near the air outlet 42, the The electric heating grid 62 enters the housing 4 through the opening 43, the mounting seat 61 is detachably connected to the housing 4, and the wind blows into the room through the electric heating grid 62 and the air outlet 42 in sequence. , when the heating effect of the surface cooler is not as expected, the electric heating device 6 can be installed on the housing 4 to enhance the heating effect, and the detachable function of the electric heating device 6 also enables it to be The case is removed to eliminate its obstruction to air volume and air pressure.
进一步的，所述高效过滤装置1包括初效过滤网11和中效过滤网12，风依次通过所述初效过滤网11和中效过滤网12到达所述水冷装置2，所述中效过滤网12与所述初效过滤网11配合使所述新风机能够实现PM2.5的过滤功能。Further, the high-efficiency filter device 1 includes a primary-effect filter 11 and a medium-efficiency filter 12, the wind passes through the primary-effect filter 11 and the medium-effect filter 12 to reach the water cooling device 2, and the medium-effect filter The mesh 12 cooperates with the primary filter 11 so that the fresh air machine can realize the filtering function of PM2.5.
进一步的，所述可调风量大小的新风机还包括控制系统和空气质量检测装置，所述控制系统位于室内并与所述风量阀7电信连接，所述空气质量检测装置设置于室内，并与所述控制系统电信连接。所述控制系统通过空气质量检测装置获取室内的空气质量指标，使用者可观察该室内空气质量指标，并根据这些指标调节风量阀7的开度，以使该新风机能够适应不同的室内环境，并根据不同的室内空气质量运行不同的工作模式。Further, the fresh air fan with adjustable air volume also includes a control system and an air quality detection device. The control system is located indoors and is connected to the air volume valve 7 by telecommunication. The air quality detection device is installed indoors and communicates with The control system is telecommunications connected. The control system obtains the indoor air quality index through the air quality detection device, and the user can observe the indoor air quality index, and adjust the opening of the air volume valve 7 according to these indexes, so that the fresh air machine can adapt to different indoor environments, And run different working modes according to different indoor air quality.
显然，本领域的技术人员可以对本实用新型进行各种改动和变型而不脱离本实用新型的精神和范围。这样，倘若本实用新型的这些改动和变型属于本实用新型权利要求及其等同技术的范围之内，则本实用新型也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these changes and modifications of the utility model fall within the scope of the claims of the utility model and their equivalent technologies, the utility model is also intended to include these changes and modifications.
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| CN201520840454.XU CN205174586U (en) | 2015-10-27 | 2015-10-27 | New fan of adjustable amount of wind size |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841334A (en) * | 2016-05-30 | 2016-08-10 | 上海洗尘环保科技有限公司 | Inner and outer circulation controllable air purifier |
| CN106123207A (en) * | 2016-06-20 | 2016-11-16 | 珠海格力电器股份有限公司 | Control method and control device of fresh air machine |
| CN106440089A (en) * | 2016-10-27 | 2017-02-22 | 殷晓冬 | Multifunctional medical exhaust hood |
| CN108716732A (en) * | 2018-05-31 | 2018-10-30 | 四川建源节能科技有限公司 | New wind turbine |
| CN110986359A (en) * | 2019-12-12 | 2020-04-10 | 广东美的暖通设备有限公司 | Fan device of roof machine and have its roof machine |
| CN112503728A (en) * | 2020-11-02 | 2021-03-16 | 珠海格力电器股份有限公司 | Self-adaptive heat dissipation method, device, equipment and system |
| CN113531726A (en) * | 2021-07-06 | 2021-10-22 | 福氏环保科技发展(北京)有限公司 | Air purification system and control method for purifying air in rail transit environment |
-
2015
- 2015-10-27 CN CN201520840454.XU patent/CN205174586U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841334A (en) * | 2016-05-30 | 2016-08-10 | 上海洗尘环保科技有限公司 | Inner and outer circulation controllable air purifier |
| CN106123207A (en) * | 2016-06-20 | 2016-11-16 | 珠海格力电器股份有限公司 | Control method and control device of fresh air machine |
| CN106440089A (en) * | 2016-10-27 | 2017-02-22 | 殷晓冬 | Multifunctional medical exhaust hood |
| CN108716732A (en) * | 2018-05-31 | 2018-10-30 | 四川建源节能科技有限公司 | New wind turbine |
| CN110986359A (en) * | 2019-12-12 | 2020-04-10 | 广东美的暖通设备有限公司 | Fan device of roof machine and have its roof machine |
| CN112503728A (en) * | 2020-11-02 | 2021-03-16 | 珠海格力电器股份有限公司 | Self-adaptive heat dissipation method, device, equipment and system |
| CN113531726A (en) * | 2021-07-06 | 2021-10-22 | 福氏环保科技发展(北京)有限公司 | Air purification system and control method for purifying air in rail transit environment |
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