CN203852751U - A portable air purifier - Google Patents
A portable air purifier Download PDFInfo
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- CN203852751U CN203852751U CN201420127996.8U CN201420127996U CN203852751U CN 203852751 U CN203852751 U CN 203852751U CN 201420127996 U CN201420127996 U CN 201420127996U CN 203852751 U CN203852751 U CN 203852751U
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
本实用新型公开了一种便携式空气净化器，其特征在于：包括净化器壳体及口罩，所述口罩包括吸气孔和与外界连通的呼气孔，所述呼气孔处设有出气阀，所述吸气孔处设有气连接头，所述净化器壳体包括进气端及出气端，且净化器壳体内设有空气净化装置、电池、送风装置，所述电池与送风装置电性连接，空气净化装置与进气端通过管道连通，送风装置与空气净化装置及出气端通过管道连通，所述出气端的另一端通过柔性气管与气连接头连通，经空气净化装置净化后的空气通过送风装置压入柔性气管而从气连接头的出孔送出供人呼吸，所述电池与送风装置间设有控制电路通断的电源开关。
The utility model discloses a portable air purifier, which is characterized in that it comprises a purifier shell and a mask, the mask comprises an air inlet and an exhalation hole connected to the outside, an air outlet valve is arranged at the exhalation hole, an air connection joint is arranged at the air inlet, the purifier shell comprises an air inlet end and an air outlet end, and an air purifier, a battery and an air supply device are arranged in the purifier shell, the battery is electrically connected to the air supply device, the air purifier is connected to the air inlet end through a pipeline, the air supply device is connected to the air purifier and the air outlet end through a pipeline, the other end of the air outlet end is connected to the air connection joint through a flexible air pipe, the air purified by the air purifier is pressed into the flexible air pipe through the air supply device and is delivered from the outlet hole of the air connection joint for people to breathe, and a power switch for controlling the on and off of the circuit is arranged between the battery and the air supply device.
Description
技术领域technical field
本实用新型涉及一种空气净化器，特别是一种便携式空气净化器。The utility model relates to an air purifier, in particular to a portable air purifier.
背景技术Background technique
随着社会经济的发展，人们忽略了对环境的保护，因而近年来各大城市的空气质量并不理想，空气中的污染物质较多，为了呼吸到纯净的空气，避免因空气污染而引发各种呼吸道疾病，人们经常使用各种空气净化设备对室内的空气进行净化处理。With the development of social economy, people have neglected the protection of the environment. Therefore, in recent years, the air quality in major cities is not ideal, and there are many pollutants in the air. In order to breathe pure air and avoid all kinds of pollution caused by air pollution A respiratory disease, people often use various air purification equipment to purify the indoor air.
但是，上述设备不仅体积重量大，而且只能用于室内或封闭的空间，因而极大地限制了空气净化设备的使用，而在室外空气的污染是最严重的，对于长时间需要在室外或有大量粉尘或灰尘的环境中工作的人们(如交警、矿工等)却很难呼吸到干净的空气，针对上述情况，本设计人开发出了一款便携式的空气净化器，让人们在任何地方都可呼吸到纯净的空气，保障了人们的健康。But above-mentioned equipment is not only bulky and heavy, and can only be used in indoor or closed space, thereby has limited the use of air cleaning equipment greatly, and the pollution of outdoor air is the most serious, for long-term need outdoor or have People who work in environments with a lot of dust or dust (such as traffic police, miners, etc.) have difficulty breathing clean air. In view of the above situation, the designer has developed a portable air purifier, which allows people to use it anywhere Can breathe pure air, protect people's health.
发明内容Contents of the invention
为了克服现有技术的不足，本实用新型提供一种便携式空气净化器。In order to overcome the deficiencies of the prior art, the utility model provides a portable air purifier.
本实用新型解决其技术问题所采用的技术方案是：The technical scheme that the utility model solves its technical problem adopts is:
一种便携式空气净化器，其特征在于：包括净化器壳体及口罩，所述口罩包括吸气孔和与外界连通的呼气孔，所述呼气孔处设有出气阀，所述吸气孔处设有气连接头，所述净化器壳体包括进气端及出气端，且净化器壳体内设有空气净化装置、电池、送风装置，所述电池与送风装置电性连接，空气净化装置与进气端通过管道连通，送风装置与空气净化装置及出气端通过管道连通，所述出气端的另一端通过柔性气管与气连接头连通，经空气净化装置净化后的空气通过送风装置压入柔性气管而从气连接头的出孔送出供人呼吸，所述电池与送风装置间设有控制电路通断的电源开关，所述口罩至少包括保护层及过滤层。A portable air purifier, characterized in that it includes a purifier housing and a mouth mask, the mouth mask includes an air suction hole and an exhalation hole communicated with the outside world, an air outlet valve is provided at the exhalation hole, and the air inhalation An air connector is provided at the hole, and the purifier housing includes an air inlet end and an air outlet end, and an air purification device, a battery, and an air supply device are arranged in the purifier housing, and the battery is electrically connected to the air supply device. The air purification device communicates with the air intake end through a pipeline, the air supply device communicates with the air purification device and the air outlet end through a pipeline, and the other end of the air outlet end communicates with the air connector through a flexible air pipe, and the air purified by the air purification device passes through the air supply The wind device is pressed into the flexible air pipe and sent out from the outlet hole of the air connector for human breathing. A power switch for controlling circuit on-off is provided between the battery and the air supply device. The mask at least includes a protective layer and a filter layer.
所述空气净化装置包括设置的HPEA过滤网。The air cleaning device includes a set HPEA filter screen.
所述空气净化装置包括设置的前置滤网、HPEA过滤网、活性炭网、光触媒滤网、后置隔离网。The air purification device includes a pre-set filter screen, a HPEA filter screen, an activated carbon screen, a photocatalyst filter screen, and a rear isolation screen.
所述柔性气管与出气端为可拆卸连接。The flexible air pipe is detachably connected to the air outlet.
所述电池与送风装置问设有与上述两者电性连接的电源管理模块，所述电源开关与电源管理模块电性连接，且电源开关通过控制电源管理模块的通断来控制电池与送风装置间电路的通断。The battery and the air supply device are provided with a power management module electrically connected to the above two, the power switch is electrically connected to the power management module, and the power switch controls the battery and the air supply by controlling the on-off of the power management module. On and off of the circuit between the wind devices.
所述气连接头包括第一壳体及第二壳体，所述第一壳体与第二壳体卡接，且该气连接头通过第一壳体及第二壳体夹紧通吸气孔的边沿而固定，所述出孔位于第二壳体上。The gas connector includes a first housing and a second housing, the first housing and the second housing are clamped, and the gas connector is clamped by the first housing and the second housing to allow air suction The edge of the hole is fixed, and the outlet hole is located on the second housing.
所述第一壳体上设有与气连接头的出孔相通的气连接管，所述柔性气管与气连接管插接，且所述出孔处设有引导空气流到鼻端的导气管，所述导气管与柔性气管相通。The first shell is provided with an air connecting tube communicating with the outlet hole of the air connector, the flexible air tube is plugged into the air connecting tube, and the outlet hole is provided with an air guide tube that guides the air to flow to the nose, The air guiding tube communicates with the flexible air tube.
所述第一壳体具有一内凹的圆槽，槽壁外侧设有第一压边，所述第二壳体上设有凸环，凸环外侧设有第二压边，所述凸环外壁上设有环状卡槽，所述圆槽内壁上设有卡入环状卡槽的环状凸棱，且所述气连接头通过第一压边与第二压边夹紧呼气孔的边沿而固定，且所述气连接管与圆槽内腔相通。The first housing has a concave circular groove, the groove wall is provided with a first pressing edge, the second housing is provided with a convex ring, and the convex ring is provided with a second pressing edge, and the convex ring is The outer wall is provided with an annular slot, and the inner wall of the circular slot is provided with an annular rib that fits into the annular slot, and the gas connector clamps the exhalation hole through the first pressing edge and the second pressing edge The edge is fixed, and the gas connecting pipe communicates with the inner cavity of the circular groove.
所述第二壳体包括环圈及密封帽，所述密封帽与第二壳体密封配合，所述导气管位于密封帽上。The second housing includes a ring and a sealing cap, the sealing cap is sealingly matched with the second housing, and the air guide tube is located on the sealing cap.
所述密封帽上设有环状凸边，且通过环状凸边与第二壳体的内孔壁密封配合而固定。The sealing cap is provided with a ring-shaped flange, and is fixed by sealing the ring-shaped flange with the inner hole wall of the second housing.
本实用新型的有益效果是：包括净化器壳体及口罩，所述口罩包括吸气孔和与外界连通的呼气孔，所述净化器壳体包括进气端及出气端，所述净化器壳体内设有空气净化装置、电池、送风装置，所述电池与送风装置电性连接，空气净化装置与进气端连通，且经空气净化装置净化后的空气被吸入送风装置通过出气端排出，所述出气端通过柔性气管与吸气孔连通，所述电池与送风装置间设有控制电路通断的电源开关，本装置不仅小巧易携带，而且通过空气净化装置能够很好地将空气净化，再通过送风装置将净化后的空气送入口罩内，形成一个循环系统，让人在任何地方都可呼吸到纯净的空气，而且口罩可以通过市面上的普通产品经过简单改造而成，制造难度及成本低。The beneficial effects of the utility model are: comprising a purifier shell and a mouth mask, the mouth mask includes an air suction hole and an exhalation hole communicating with the outside world, the purifier shell includes an air inlet end and an air outlet end, the air purifier The housing is equipped with an air purification device, a battery, and an air supply device. The battery is electrically connected to the air supply device, and the air purification device is connected to the air inlet. The air outlet end is connected to the suction hole through a flexible air pipe, and a power switch for controlling circuit on-off is set between the battery and the air supply device. This device is not only small and easy to carry, but also can be well Purify the air, and then send the purified air into the mask through the air supply device to form a circulatory system, so that people can breathe pure air anywhere, and the mask can be simply modified by ordinary products on the market. into, manufacturing difficulty and low cost.
附图说明Description of drawings
下面结合附图和实施例对本实用新型进一步说明。Below in conjunction with accompanying drawing and embodiment the utility model is further described.
图1是本实用新型的原理框图；Fig. 1 is a block diagram of the utility model;
图2是本实用新型的应用结构图。Fig. 2 is the application structural diagram of the utility model.
图3是口罩的爆炸图；Figure 3 is an exploded view of the mask;
图4是口罩的整体视图。Figure 4 is an overall view of the mask.
图5是口罩的另一结构的正视图；Fig. 5 is the front view of another structure of mouth mask;
具体实施方式Detailed ways
参照图1至图5，本实用新型公开了一种便携式空气净化器，包括净化器壳体1及口罩2，所述口罩2包括吸气孔和与外界连通的呼气孔(图中未视出)，所述呼气孔处设有出气阀3，所述吸气孔处设有气连接头，所述口罩包括保护层及过滤层，所述保护层包括外保护层及内保护层，外保护层及内保护层之间设有一层过滤层，上述结构中外保护层及内保护层可采用硬质透气材质，起到将口罩支撑成符合盖住人的口鼻的形状结构，而且也便于安装出气阀3或气连接头，当然也可采用柔软的棉纱网布制成，相比橡胶等材质和人表面皮肤接触舒适，而过滤层采用了过滤棉，所述净化器壳体1包括进气端4及出气端15，所述净化器壳体1内设有空气净化装置8、电池5、送风装置14，所述电池5与送风装置14电性连接以给送风装置14供电，本送风装置14优选小型鼓风机，因为没有一定的压力很难将净化后的气体送入细长的柔性气管中及从细长的柔性气管中压出，当然也可选择其他设备，如风机等，空气净化装置8与进气端4通过管道连通，送风装置14与空气净化装置8及出气端15通过管道连通，所述出气端15的另一端通过柔性气管16与气连接头连通，且经空气净化装置8净化后的空气通过送风装置14压入柔性气管16而从气连接头的出孔送出，所述电池5与送风装置14间设有控制电路通断的电源开关7。1 to 5, the utility model discloses a portable air purifier, comprising a purifier housing 1 and a mouth mask 2, the mouth mask 2 includes a suction hole and an exhalation hole communicated with the outside world (not shown in the figure) Out), the exhalation hole is provided with an air outlet valve 3, the inhalation hole is provided with an air connector, the mouth mask includes a protective layer and a filter layer, and the protective layer includes an outer protective layer and an inner protective layer, A filter layer is arranged between the outer protective layer and the inner protective layer. In the above structure, the outer protective layer and the inner protective layer can be made of hard breathable material, so as to support the mask into a shape and structure that fits the mouth and nose of a person, and also It is convenient to install the air outlet valve 3 or the air connector. Of course, it can also be made of soft cotton gauze. Compared with rubber and other materials, it is comfortable to touch the human surface skin, and the filter layer adopts filter cotton. The purifier housing 1 includes Air intake end 4 and air outlet end 15, described purifier housing 1 is provided with air purification device 8, battery 5, air supply device 14, and described battery 5 is electrically connected with air supply device 14 to feed air supply device 14 Power supply, the preferred small blower of this air supply device 14, because do not have certain pressure, it is difficult to send the purified gas into the slender flexible trachea and press it out from the slender flexible trachea, of course other equipment can also be selected, such as fan, etc., the air cleaning device 8 communicates with the air inlet 4 through a pipeline, the air supply device 14 communicates with the air cleaning device 8 and the air outlet 15 through a pipeline, and the other end of the air outlet 15 communicates with the air connector through a flexible air pipe 16 , and the air purified by the air cleaning device 8 is pressed into the flexible air pipe 16 through the air supply device 14 and sent out from the outlet hole of the air connector. 7.
如图所示，电池5与送风装置14间设有与上述两者电性连接的电源管理模块6，所述电源开关7与电源管理模块6电性连接，且电源开关7通过控制电源管理模块6的通断来控制电池5与送风装置14间电路的通断，通过电源管理模块6可以将较高的电压降低为适合送风装置14装置需要的电压，具体来说电源管理模块6为DC-TO-DC电源开关芯片，通过电源开关7实现通断的控制。As shown in the figure, a power management module 6 electrically connected to the above two is provided between the battery 5 and the air blower 14, the power switch 7 is electrically connected to the power management module 6, and the power switch 7 controls the power management The on-off of the module 6 controls the on-off of the circuit between the battery 5 and the air supply device 14, and the higher voltage can be reduced to a voltage suitable for the air supply device 14 through the power management module 6, specifically the power management module 6 It is a DC-TO-DC power switch chip, and the on-off control is realized through the power switch 7 .
如图所示，本实例中，空气净化装置8包括顺序设置的前置滤网9、HPEA过滤网10、活性炭网11、光触媒滤网12、后置隔离网13，上述只是一种优选结构，其滤网的选择和排布顺序还可以根据需要调整。从进气端4进入的空气最先是由前置滤网9过滤空气中较大的颗粒及异物，从而延长了HPEA过滤网10、活性炭网11的使用寿命，然后通过HPEA过滤网10高效捕获空气中的悬浮颗粒，清除灰尘、烟雾、PM2.5等悬浮颗粒，HPEA过滤网10采用静电玻璃纤维滤材，对可导致花粉过敏或呼吸道疾病、哮喘发生的花粉、烟尘等净化效率可达99.97％，最小净化颗粒为0.0003mm，再次，通过活性炭网11依靠其发达的空隙结构，能有效地吸附甲醛、苯等有害物质，其净化效率可达96.2％；再次，通过光触媒滤网12有效杀灭危害身体的细菌及病毒、消除各种异味气体、并能降解汽车内饰或尾气散发的有害气体，其超强的氧化可破坏滤网捕捉到的细菌的细胞膜、凝固病毒蛋白质，抑制病毒活性；最后通过后置隔离网13进入送风装置14，通过送风装置14经出气端15、柔性气管16和吸气孔进入口罩2内供人吸入，而且吸气孔位于鼻端处，因而净化后的空气在此处浓度大，而且可被直接吸入鼻内。As shown in the figure, in this example, the air cleaning device 8 includes a pre-filter 9, a HPEA filter 10, an activated carbon screen 11, a photocatalyst filter 12, and a rear isolation screen 13 arranged in sequence. The above-mentioned is only a preferred structure. The selection and arrangement order of the filter screens can also be adjusted as required. The air entering from the intake port 4 is firstly filtered by the pre-filter 9 to filter larger particles and foreign matter in the air, thereby prolonging the service life of the HPEA filter 10 and the activated carbon mesh 11, and then efficiently capturing the air through the HPEA filter 10 The suspended particles in the air can remove dust, smog, PM2.5 and other suspended particles. The HPEA filter 10 adopts electrostatic glass fiber filter material, and the purification efficiency of pollen and smoke that can cause pollen allergies, respiratory diseases, and asthma can reach 99.97%. , the minimum purification particle is 0.0003mm, and again, relying on its well-developed pore structure through the activated carbon mesh 11, it can effectively absorb harmful substances such as formaldehyde and benzene, and its purification efficiency can reach 96.2%; Bacteria and viruses that harm the body, eliminate various odorous gases, and degrade harmful gases emitted by car interiors or exhaust. Its super-strong oxidation can destroy the cell membranes of bacteria captured by the filter, coagulate virus proteins, and inhibit virus activity; Finally enter the air supply device 14 through the rear isolation net 13, enter the mouth mask 2 through the air supply device 14 through the air outlet 15, the flexible air pipe 16 and the air suction hole for people to inhale, and the air suction hole is located at the nose end, so after purification The air concentration here is large and can be directly inhaled into the nose.
于本具体实施例中，柔性气管16与出气端15为可拆卸连接，上述设置方便了人们携带及储存、清洗，可拆卸的结构为常用结构因而不赘述，最优选的是医用输氧装置上的气管接插头。In this specific embodiment, the flexible air tube 16 is detachably connected to the air outlet end 15. The above-mentioned settings are convenient for people to carry, store, and clean. The detachable structure is a common structure and will not be described in detail. The most preferred is the medical oxygen delivery device. Air pipe connector.
如图所示，所述呼气孔处设有出气阀3，所述吸气孔处设有气连接头，出气阀3在呼气时打开，从而排除废气，又能避免口罩2外的污浊空气进入口罩2内，口罩2上固定有封闭该吸气孔的气连接头，且该气连接头上设有一与能够与软性气管连接的气连接管17，所述柔性气管插接于气连接管内，上述结构简单，而且可以采用普通的口罩2加以改造而成，只需在普通的口罩2的相应的位置开设两个孔洞，其中一个是呼气孔，另一个是吸气孔，将气连接头安装于吸气孔处，将出气阀3安装于呼气孔处，就可以制出一款适用于便携式空气净化器的口罩2来，上述制造难度及成本低。As shown in the figure, the exhalation hole is provided with an air outlet valve 3, and the inhalation hole is provided with an air connector, and the air outlet valve 3 is opened when exhaling, thereby removing exhaust gas and avoiding the dirt outside the mask 2. The air enters the mouth mask 2, and the mouth mask 2 is fixed with an air connector that closes the suction hole, and the air connector is provided with an air connector 17 that can be connected with a flexible air tube, and the flexible air tube is inserted into the air tube. In the connecting pipe, the above-mentioned structure is simple, and it can be modified by using common mouth mask 2. It is only necessary to open two holes at the corresponding positions of the common mouth mask 2, one of which is an exhalation hole and the other is an inhalation hole. The gas connector is installed at the inhalation hole, and the air outlet valve 3 is installed at the exhalation hole, so that a mask 2 suitable for a portable air purifier can be produced, and the manufacturing difficulty and cost are low.
为了保证纯净空气能够尽可能地被吸入体内，气连接头上设有引导空气流到鼻端的导气管(图中未视出)，所述导气管与柔性气管相通。In order to ensure that pure air can be sucked into the body as much as possible, the gas connector is provided with an air guide tube (not shown in the figure) that guides the air to flow to the nose, and the air guide tube communicates with the flexible air tube.
如图所示，为了达到改装简便的目的，气连接头包括密封帽18、第一壳体19及第二壳体20，所述第一壳体19与第二壳体20卡接，且所述气连接管17位于第一壳体19上，所述密封帽18与第二壳体20密封配合，所述导气管位于密封帽18上，其具体的结构在于：所述第一壳体19为一帽状结构，具有一内凹的圆槽，圆槽壁上设有与圆槽内腔相通的气连接管17，槽壁外侧设有第一压边21，所述第二壳体20上设有圆筒状的凸环22，凸环22外侧设有第二压边24，所述凸环22外壁上设有环状卡槽(图中未视出)，所述圆槽内壁上设有卡入环状卡槽的环状凸棱23，当环状凸棱23卡入环状卡槽时，第一压边21与第二压边24也同时夹紧呼气孔边沿的口罩2，从而将气连接头固定；所述密封帽18上设有环状凸边25，且通过环状凸边25与第二壳体20的内孔壁密封配合而固定，密封帽18采用了橡胶材料制作，比较有弹性，因而较易与第二壳体20配合密封，上述结构也实现装配简单的目的。As shown in the figure, in order to achieve the purpose of easy refitting, the gas connector includes a sealing cap 18, a first housing 19 and a second housing 20, the first housing 19 and the second housing 20 are clamped, and the The gas connecting pipe 17 is located on the first housing 19, the sealing cap 18 is in sealing fit with the second housing 20, and the air guide tube is located on the sealing cap 18, and its specific structure is: the first housing 19 It is a hat-shaped structure with a concave circular groove. The wall of the circular groove is provided with an air connection pipe 17 communicating with the inner cavity of the circular groove. The outer side of the groove wall is provided with a first pressing edge 21. A cylindrical protruding ring 22 is provided on the top, and a second crimping edge 24 is provided on the outside of the protruding ring 22. The outer wall of the protruding ring 22 is provided with an annular draw-in groove (not shown in the figure), and the inner wall of the circular groove is There is a ring-shaped rib 23 that snaps into the ring-shaped slot. When the ring-shaped rib 23 snaps into the ring-shaped slot, the first pressing edge 21 and the second pressing edge 24 also clamp the mask on the edge of the exhalation hole at the same time. 2, so as to fix the gas connector; the sealing cap 18 is provided with an annular flange 25, and is fixed by sealing the annular flange 25 with the inner hole wall of the second housing 20, and the sealing cap 18 adopts Made of rubber material, it is relatively elastic, so it is easier to cooperate and seal with the second housing 20 , and the above structure also achieves the purpose of simple assembly.
以上对本实用新型实施例所提供的一种便携式空气净化器，进行了详细介绍，本文中应用了具体个例对本实用新型的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本实用新型的方法及其核心思想；同时，对于本领域的一般技术人员，依据本实用新型的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本实用新型的限制。The above is a detailed introduction to a portable air purifier provided by the embodiment of the present invention. In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only for helping understanding The method of the present utility model and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. In summary, the content of this specification It should not be understood as a limitation of the present utility model.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105901803A (en) * | 2016-04-14 | 2016-08-31 | 宁波保众应急科技有限公司 | Multifunctional smog protection respirator |
| CN106473270A (en) * | 2016-12-27 | 2017-03-08 | 宜春市佳喻文具有限公司 | A kind of multi-functional intelligence anti-dust respirator |
| CN106473271A (en) * | 2016-12-27 | 2017-03-08 | 宜春市佳喻文具有限公司 | Formula automatic ventilating anti-dust respirator worn by cap |
| CN106860987A (en) * | 2017-03-07 | 2017-06-20 | 圆容生物医药无锡有限公司 | A kind of clean lung device of deep layer and its method of work |
| CN108325286A (en) * | 2018-01-31 | 2018-07-27 | 青岛理工大学 | A breathing air purification device for mining |
| CN111720916A (en) * | 2019-03-19 | 2020-09-29 | Lg电子株式会社 | Air Filtration System |
| US20210093903A1 (en) * | 2017-12-21 | 2021-04-01 | Empowered Startups Ltd. | Garment-supported air-purifying face mask filtration systems |
| US11566800B2 (en) | 2019-03-19 | 2023-01-31 | Lg Electronics Inc. | Air purifier and air purifying system |
| US11623173B2 (en) | 2019-03-19 | 2023-04-11 | Lg Electronics Inc. | Air purifier, air purifying system, and method of controlling air purifying system |
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2014
- 2014-03-20 CN CN201420127996.8U patent/CN203852751U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105901803A (en) * | 2016-04-14 | 2016-08-31 | 宁波保众应急科技有限公司 | Multifunctional smog protection respirator |
| CN106473270A (en) * | 2016-12-27 | 2017-03-08 | 宜春市佳喻文具有限公司 | A kind of multi-functional intelligence anti-dust respirator |
| CN106473271A (en) * | 2016-12-27 | 2017-03-08 | 宜春市佳喻文具有限公司 | Formula automatic ventilating anti-dust respirator worn by cap |
| CN106860987A (en) * | 2017-03-07 | 2017-06-20 | 圆容生物医药无锡有限公司 | A kind of clean lung device of deep layer and its method of work |
| US20210093903A1 (en) * | 2017-12-21 | 2021-04-01 | Empowered Startups Ltd. | Garment-supported air-purifying face mask filtration systems |
| CN108325286A (en) * | 2018-01-31 | 2018-07-27 | 青岛理工大学 | A breathing air purification device for mining |
| CN108325286B (en) * | 2018-01-31 | 2020-06-05 | 青岛理工大学 | A kind of breathing air purification device for mining |
| CN111720916A (en) * | 2019-03-19 | 2020-09-29 | Lg电子株式会社 | Air Filtration System |
| CN111720916B (en) * | 2019-03-19 | 2022-06-24 | Lg电子株式会社 | Air filtration system |
| US11566800B2 (en) | 2019-03-19 | 2023-01-31 | Lg Electronics Inc. | Air purifier and air purifying system |
| US11623173B2 (en) | 2019-03-19 | 2023-04-11 | Lg Electronics Inc. | Air purifier, air purifying system, and method of controlling air purifying system |
| US11629873B2 (en) | 2019-03-19 | 2023-04-18 | Lg Electronics Inc. | Air purifying system and method for controlling the air purifying system |
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