WO2020042552A1 - 一种新型通风组件及其应用的燃料电池 - Google Patents

一种新型通风组件及其应用的燃料电池 Download PDF

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Publication number
WO2020042552A1
WO2020042552A1 PCT/CN2019/076283 CN2019076283W WO2020042552A1 WO 2020042552 A1 WO2020042552 A1 WO 2020042552A1 CN 2019076283 W CN2019076283 W CN 2019076283W WO 2020042552 A1 WO2020042552 A1 WO 2020042552A1
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Prior art keywords
air
fan
ventilation
fan cover
ventilation assembly
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Ceased
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PCT/CN2019/076283
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English (en)
French (fr)
Inventor
邓佳
朱太荣
陈星富
李海君
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Zhongshan Broad Ocean Motor Co Ltd
Broad Ocean Motor EV Co Ltd
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Zhongshan Broad Ocean Motor Co Ltd
Broad Ocean Motor EV Co Ltd
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Priority claimed from CN201811015080.2A external-priority patent/CN109065936B/zh
Priority claimed from CN201821425139.0U external-priority patent/CN208781952U/zh
Application filed by Zhongshan Broad Ocean Motor Co Ltd, Broad Ocean Motor EV Co Ltd filed Critical Zhongshan Broad Ocean Motor Co Ltd
Publication of WO2020042552A1 publication Critical patent/WO2020042552A1/zh
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the invention relates to a fuel cell with a novel ventilation structure.
  • Existing hydrogen energy fuel cells generally include a tank, a stack module (that is, a fuel cell stack--that is, a plurality of independent single fuel cells connected in series), a stack inlet valve group, a stack outlet valve group, and hydrogen Circulation pump, hydrogen supply system, and air circuit system.
  • the reactor module, the reactor inlet valve group, the reactor outlet valve group, and the hydrogen circulation pump are all installed in the box. Because the reactor module uses hydrogen and oxygen, The chemical reaction occurs to generate electricity. During the work process, the reactor will leak a certain amount of hydrogen. If there is a high concentration of hydrogen in the area of the cabinet, there is a high risk of explosion. Therefore, an exhaust pipe is generally installed on the cabinet. Air fan or intake fan. The intake fan is used to continuously pass filtered fresh air into the box. The entry of fresh air will purge hydrogen and reduce the hydrogen concentration; the exhaust fan continuously draws the mixed gas in the box. To ensure that the hydrogen concentration in the cabinet is at a safe low concentration value.
  • the traditional structure is to install an intake fan on one side of the box, or install an exhaust fan on the opposite side, cut out an air inlet hole on one side of the box where the air inlet fan is installed, and install a filter on the air inlet hole.
  • a relatively large intake fan is installed on the side of the box.
  • This structure has the following disadvantages: 1) the air intake fan is large in volume as a ventilation component and has troublesome installation; 2) the air intake fan has a small sweep angle on the inside of the box, uneven sweeping, and residual dead angles, leading to hidden safety risks . 3) Large energy consumption; 4) Large noise caused by fans; 5) Low IP protection level;
  • the object of the present invention is to provide a novel ventilation assembly and a fuel cell applied to it, in order to solve the above-mentioned background technology, the intake fan occupies a large volume of the box, has a troublesome installation, a small sweep angle, an uneven sweep, a large energy consumption, Technical problems with high noise and low protection level.
  • a novel ventilation component includes an air duct and at least one fan unit.
  • the fan unit includes a fan cover, an axial flow fan, and a wind direction adjusting plate.
  • One end of the air tube forms an air inlet, and the other end of the air tube is connected to the fan cover and the fan cover.
  • a cavity is set in the middle, the axial flow fan is installed in the cavity of the fan cover, an air inlet is provided at the end of the fan cover, and an air direction adjustment plate is installed at the end position of the air inlet.
  • the one end of the fan cover is provided with an air pipe joint, the air pipe joint is connected with the air pipe in a nest, and the air pipe joint is communicated with the cavity.
  • the above-mentioned wind direction adjusting plate includes a bottom plate, a plurality of ventilation holes are arranged on the bottom plate, and a plurality of inclined wind deflectors are protruded on the bottom plate.
  • the above-mentioned bottom plate is mounted on the end face of the air inlet by screws.
  • the above-mentioned air pipe is a three-way pipe, one end of which forms an air inlet, and one fan unit is installed at each of the two outlets of the air pipe.
  • the two wind deflectors of the two fan units described above have a mounting angle.
  • the above-mentioned staggered installation angle of the two wind deflectors is preferably 90 °.
  • the fan cover described above is a rotating body.
  • a plurality of screws mounted on the end face of the fan housing are also mounted on the fuel cell case.
  • a fuel cell includes a box body, an electric stack module installed in the box body, an electric stack air inlet valve group, an electric stack air outlet valve group, an output DC bus copper bar, and a ventilation component. Openings are dug on the opposite sides, a ventilation component is installed at the opening on one side, and an air outlet is formed at the opening on the other side, which is characterized in that the ventilation component is the new type ventilation component described above.
  • An exhaust fan is also installed at the exhaust port as described above.
  • the present invention has the following effects:
  • the novel ventilation assembly of the present invention includes an air duct and at least one fan unit.
  • the fan unit includes a fan cover, an axial flow fan, and a wind direction adjusting plate.
  • One end of the air tube forms an air inlet, and the other end of the air tube is connected to the fan cover.
  • a cavity is provided in the middle of the fan cover, an axial flow fan is installed in the cavity of the fan cover, an air inlet is provided at the end of the fan cover, and an airflow direction adjustment plate is installed at the end position of the air inlet. . It has high protection level, small volume, convenient installation, large ventilation angle, uniform sweeping, more energy saving and low noise.
  • One end of the fan cover is provided with an air pipe joint, and the air pipe joint is connected with the air pipe in a nest.
  • the air inlet is inside the air pipe joint, which is convenient for production and installation.
  • the wind direction adjusting plate includes a bottom plate.
  • the bottom plate is provided with a plurality of ventilation holes, and a number of inclined air guide plates are protruded on the bottom plate.
  • the bottom plate is installed on the end face of the air outlet by screws. The structure is simple and easy to install.
  • the air duct is a tee, and one end of the air duct forms an air inlet.
  • Two fan units are connected and installed at the two outlets of the air duct.
  • the two air deflectors of the two fan units are staggered by one installation angle. Increase the purging area range, applicable to the situation where the purging range is large;
  • the end face of the fan cover is also provided with several screws for installation with the fuel cell box, which is convenient to install.
  • a fuel cell according to the present invention includes a box body and an electric stack installed inside the box body, an integrated manifold intake manifold manifold, an electric stack outlet valve group, an output DC bus copper bar, an intake fan assembly, and An exhaust fan assembly, in which an intake fan assembly and an exhaust fan assembly are respectively installed on two opposite sides of the box.
  • the aforementioned intake fan assembly adopts the above-mentioned new ventilation assembly, which achieves uniform purging, no dead corners, and small volume. Easy to install.
  • FIG. 1 is a structural perspective view of Embodiment 1 of the present invention.
  • Embodiment 1 of the present invention is an exploded view of Embodiment 1 of the present invention.
  • FIG. 3 is a front view of a first embodiment of the present invention.
  • Figure 4 is a sectional view taken along A-A of Figure 3;
  • FIG. 5 is a front view of a second embodiment of the present invention.
  • FIG. 6 is a perspective view of a second embodiment of the present invention.
  • the present invention provides a novel ventilation assembly, including an air duct 1 and at least one fan unit 2.
  • the fan unit 2 includes a fan cover 21, an axial fan 22, and a wind direction adjustment plate 23.
  • An air inlet 11 is formed at one end of the air duct 1, and a fan cover 21 is connected to the other end of the air duct 1.
  • a cavity 210 is provided in the middle of the fan cover 21, an axial fan 22 is installed in the cavity 210 of the fan cover 21, and an end of the fan cover 21 is provided.
  • the air inlet 211 is provided with an airflow direction adjusting plate 23 at a position of an end surface 212 of the air inlet 211.
  • An end of the fan housing 21 is provided with an air pipe joint 213.
  • the air pipe joint 213 is nested with the air pipe 1, and the air pipe joint 213 communicates with the cavity 210.
  • the wind direction adjusting plate 23 includes a bottom plate 231, a plurality of ventilation holes 232 are provided on the bottom plate 231, and a plurality of inclined air guide plates 233 are protruded on the bottom plate 231.
  • the bottom plate 231 is mounted on the end surface 212 of the air inlet 211 by screws.
  • the air pipe 1 is a three-way pipe, and one end of the air pipe 1 forms an air inlet 11.
  • a fan unit 2 is installed at each of two outlets of the air pipe 1.
  • the two air deflectors 233 of the two fan units are staggered by a mounting angle.
  • the staggered installation angle of the two wind deflectors 233 is preferably 90 °.
  • the fan cover 21 is a rotating body.
  • the end face 212 of the fan cover 21 is further provided with a plurality of screws 214 that are mounted on the fuel cell case.
  • the air pipe 1 is a three-way pipe, and the outlet of the three-way pipe is connected to two fan units 2.
  • the air pipe 1 may also be a two-way pipe (that is, One inlet and one outlet).
  • One fan unit 2 is installed at the end of the two-way air pipe 1 and will not be described here.
  • the working principle of the present invention is: when the axial flow fan 22 is in operation, fresh air is drawn in from the air inlet 11 at one end of the air duct 1, and then blows out from the air inlet 211 at the end of the fan cover 21, and is located at the end surface 212 of the air inlet 211
  • An air direction adjusting plate 23 is installed.
  • the air direction adjusting plate 23 includes a bottom plate 231.
  • the bottom plate 231 is provided with a plurality of ventilation holes 232.
  • a plurality of inclined air guide plates 233 are protruded from the bottom plate 231. Output is guided by the wind deflector 233.
  • the axial fan 22 has a small fan cover 21, which is small in size, easy to install, has a high level of protection, and is easy to install.
  • the addition of a wind deflector 233 enables a large ventilation angle and uniform sweeping, and the axial fan 22 has low power, which saves power. , Low noise.
  • a fuel cell provided by the present invention includes a tank 100 and a stack module 101 installed in the tank 100, a stack inlet valve group 102, and a stack outlet valve group. 103.
  • the output DC bus copper bar and ventilation assembly 300 in which openings are dug on the two opposite sides of the box, and the ventilation assembly 300 is installed at the opening on one of the sides (the opening is blocked so it is not shown in the figure).
  • An air outlet is formed at the opening 104 on the other side, and the ventilation assembly 300 adopts the new ventilation assembly described in the first embodiment.
  • the exhaust fan assembly 200 is also installed at the exhaust port.
  • the ventilation assembly 300 draws in fresh air from the air inlet 11 at one end of the air duct 1 and blows it out from the air inlet 211 at the end of the fan cover 21 to purge the components inside the box 100. And reduce the concentration of hydrogen, the exhaust fan assembly 200 is also installed at the exhaust port, which can accelerate the flow of fresh air.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

本发明公开了一种新型通风组件及其应用的燃料电池，所述的新型通风组件包括风管(1)和至少一套风扇单元(2)，所述的风扇单元(2)包括风扇外罩(21)、轴流风机(22)和风向调节板(23)，风管(1)一端形成进风口(11)，风管(1)另一端连接风扇外罩(21)，风扇外罩(21)中间设置空腔(210)，轴流风机(22)安装在风扇外罩(21)的空腔(210)内，风扇外罩(21)端部设置入风口(211)，在入风口(211)的端面(212)位置安装风向调节板(23)。它防护等级高、体积小、安装方便，通风角度大，吹扫均匀，且较为节电，噪音小。

Description

一种新型通风组件及其应用的燃料电池 技术领域：
本发明涉及一种带新型通风结构的燃料电池。
背景技术：
现有的氢能源燃料电池一般包括箱体、电堆模块(即燃料电池堆--即串联多个独立的单个燃料电池组成)、电堆进气口阀门组、电堆出气口阀门组、氢气循环泵、氢气供应系统、空气气路系统，其中电堆模块、电堆进气口阀门组、电堆出气口阀门组、氢气循环泵都安装在箱体内，由于电堆模块是利用氢气和氧气发生的化学反应而产生电能，在工作过程中电堆会泄露一定量的氢气，如果箱体里面积聚过高浓度的的氢气时，很有可能产生爆炸的危险，所以一般在箱体上安装排气风扇或进气风扇，利用进气风扇不断地往箱体通入经过过滤的新鲜空气，新鲜空气的进入会吹扫氢气并且降低氢气浓度；排气风扇不断地将箱体里面的混合气体抽走，从而保证箱体里面的氢气浓度处于一个安全的低浓度值。
传统的结构是箱体的一个侧面安装进气风扇，或在相对侧面安装排气风扇，在安装进气风扇的箱体的一个侧面挖出一个进气孔，在进气孔上安装滤网，一台体积较为大型的进气风扇安装在箱体侧面。这种结构存在如下缺点：1)进气风扇作为通风部件体积大，安装麻烦；2)进气风扇对箱体里面的吹扫角度小，吹扫不均，存在残余的死角，导致有安全隐患。3)能量消耗大；4)风扇引起的噪声大；5)IP防护等级低；
发明内容：
本发明的目的是提供一种新型通风组件及其应用的燃料电池，以解决上述背景技术中进气风扇占用箱体体积大，安装麻烦、吹扫角度小，吹扫不均、能量消耗大、噪声大、防护等级低的技术问题。
本发明的目的是通过下述技术方案予以实现的：
一种新型通风组件，包括风管和至少一套风扇单元，所述的风扇单元包括 风扇外罩、轴流风机和风向调节板，风管一端形成进风口，风管另一端连接风扇外罩，风扇外罩中间设置空腔，轴流风机安装在风扇外罩的空腔内，风扇外罩端部设置入风口，在入风口的端面位置安装风向调节板。
上述所述的风扇外罩的一端设置风管接头，风管接头与风管嵌套连接，风管接头与空腔连通。
上述所述的风向调节板包括底板，底板上设置有若干通风孔，在底板上凸出有若干倾斜的导风板。
上述所述的底板是通过螺钉安装在入风口的端面上。
上述所述的风管是三通管，其中一端形成进风口，在风管的两个出口处分别各安装有一个风扇单元。
上述所述的2个风扇单元的两个导风板一个安装角。
上述所述的两个导风板错开的安装角优选90°。
上述所述的风扇外罩是一个回转体。
上述所述的风扇外罩的端面上还设置有与燃料电池箱体安装的若干螺钉。
一种燃料电池，包括箱体和安装在箱体里面的电堆模块、电堆进气口阀门组、电堆出气口阀门组、输出直流母线铜排和通风组件，其中在箱体的两个相对侧面上分别挖出开口，在其中一个侧面的开口处安装通风组件，在另一侧面的开口处形成排风口，其特征在于：所述的通风组件上述所述的新型通风组件。
上述所述在排风口处还安装排气风扇。
本发明与现有技术相比，具有如下效果：
1)本发明的新型通风组件，包括风管和至少一套风扇单元，所述的风扇单元包括风扇外罩、轴流风机和风向调节板，风管一端形成进风口，风管另一端连接风扇外罩，风扇外罩中间设置空腔，轴流风机安装在风扇外罩的空腔内，风扇外罩端部设置入风口，在入风口的端面位置安装风向调节板。。它防护等级高、体积小、安装方便，通风角度大，吹扫均匀，且较为节电，噪音小。
2)风扇外罩的一端设置风管接头，风管接头与风管嵌套连接，入风口是在风管接头里面，生产安装方便。
3)风向调节板包括底板，底板上设置有若干通风孔，在底板上凸出有若干倾斜的导风板，底板是通过螺钉安装在出风口的端面，结构简单，安装方便。
4)所述的风管是三通管，其中一端形成进风口，在风管的2个出口处连接安装有2个风扇单元，2个风扇单元的两个导风板错开一个安装角，可以提升吹扫的面积范围，适用吹扫范围较大的情况；
5)风扇外罩的端面上还设置有与燃料电池箱体安装的若干螺钉，安装方便。
6)本发明的一种燃料电池，包括箱体和安装在箱体里面的电堆、电堆进气口集成歧管、电堆出气口阀门组、输出直流母线铜排、进气风扇组件和排气风扇组件，其中在箱体的两相对侧面分别安装进气风扇组件和排气风扇组件，所述的进气风扇组件采用上述的新型通风组件，达到吹扫均匀，无死角，体积小，安装简便。
附图说明：
图1是本发明实施例一的结构立体图；
图2是本发明实施例一的分解图；
图3是本发明实施例一主视图；
图4是图3的A-A剖视图；
图5是本发明实施例二的主视图；
图6是本发明实施例二的立体图。
具体实施方式：
下面通过具体实施例并结合附图对本发明作进一步详细的描述。
实施例一：
如图1至图4所示，本发明提供一种新型通风组件，包括风管1和至少一套风扇单元2，所述的风扇单元2包括风扇外罩21、轴流风机22和风向调节板 23，风管1一端形成进风口11，风管1另一端连接风扇外罩21，风扇外罩21中间设置空腔210，轴流风机22安装在风扇外罩21的空腔210内，风扇外罩21端部设置入风口211，在入风口211的端面212位置安装风向调节板23。
所述的风扇外罩21的一端设置风管接头213，风管接头213与风管1嵌套连接，风管接头213与空腔210连通。
所述的风向调节板23包括底板231，底板231上设置有若干通风孔232，在底板231上凸出有若干倾斜的导风板233。
所述的底板231是通过螺钉安装在入风口211的端面212上。
所述的风管1是三通管，其中一端形成进风口11，在风管1的两个出口处分别各安装有一个风扇单元2。
所述的2个风扇单元的两个导风板233错开一个安装角。所述的两个导风板233错开的安装角优选90°。
所述的风扇外罩21是一个回转体。
所述的风扇外罩21的端面212上还设置有与燃料电池箱体安装的若干螺钉214。
上述的实施例是风管1是一个三通管，三通管的出口连接两个风扇单元2；作为本领域的普通技术人员，当然会联想到风管1也可以是两通管(即具有一个入口，一个出口)，在两通的风管1端部安装1个风扇单元2，在此不再叙述。
本发明的工作原理是：轴流风机22工作时，将新鲜空气从风管1一端的进风口11抽入，然后从风扇外罩21端部的入风口211吹出，在入风口211的端面212位置安装风向调节板23，风向调节板23包括底板231，底板231上设置有若干通风孔232，在底板231上凸出有若干倾斜的导风板233，从入风口211吹出的空气经过通风孔232由导风板233导向输出。由于轴流风机22风扇外罩21，体积小，安装简便，防护等级高、安装方便；增加导风板233使通风角度大，吹扫均匀，且轴流风机22是小功率的，因此较为节电，噪音小。
实施例二：
如图5和图6所示，本发明提供的一种燃料电池，包括箱体100和安装在箱体100里面的电堆模块101、电堆进气口阀门组102、电堆出气口阀门组103、输出直流母线铜排和通风组件300，其中在箱体的两个相对侧面上分别挖出开口，在其中一个侧面的开口处(开口被遮挡所以没有在图中表示)安装通风组件300，在另一侧面的开口处104形成排风口，所述的通风组件300采用上述实施例一所述的新型通风组件。
上述在排风口处还安装排气风扇组件200。
燃料电池工作时，通风组件300将外部的新鲜空气从风管1一端的进风口11抽入，并从风扇外罩21端部的入风口211吹出，对箱体100里面的各部件进行吹扫，并降低降低氢气浓度，上述在排风口处还安装排气风扇组件200，可以加速新鲜空气的流动。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (11)

  1. 一种新型通风组件，其特征在于：它包括风管(1)和至少一套风扇单元(2)，所述的风扇单元(2)包括风扇外罩(21)、轴流风机(22)和风向调节板(23)，风管(1)一端形成进风口(11)，风管(1)另一端连接风扇外罩(21)，风扇外罩(21)中间设置空腔(210)，轴流风机(22)安装在风扇外罩(21)的空腔(210)内，风扇外罩(21)端部设置入风口(211)，在入风口(211)的端面(212)位置安装风向调节板(23)。
  2. 根据权利要求1所述的一种新型通风组件，其特征在于：所述的风扇外罩(21)的一端设置风管接头(213)，风管接头(213)与风管(1)嵌套连接，风管接头(213)与空腔(210)连通。
  3. 根据权利要求1或2所述的一种新型通风组件，其特征在于：所述的风向调节板(23)包括底板(231)，底板(231)上设置有若干通风孔(232)，在底板(231)上凸出有若干倾斜的导风板(233)。
  4. 根据权利要求3所述的一种新型通风组件，其特征在于：所述的底板(231)是通过螺钉安装在入风口(211)的端面(212)上。
  5. 根据权利要求1所述的一种新型通风组件，其特征在于：所述的风管(1)是三通管，其中一端形成进风口(11)，在风管(1)的两个出口处分别各安装有一个风扇单元(2)。
  6. 根据权利要求5所述的一种新型通风组件，其特征在于：所述的2个风扇单元的两个导风板(233)错开一个安装角。
  7. 根据权利要求6所述的一种新型通风组件，其特征在于：所述的两个导风板(233)错开的安装角优选90°。
  8. 根据权利要求5所述的一种新型通风组件，其特征在于：所述的风扇外罩(21)是一个回转体。
  9. 根据权利要求5所述的一种新型通风组件，其特征在于：所述的风扇外罩(21)的端面(212)上还设置有与燃料电池箱体安装的若干螺钉(214)。
  10. 一种燃料电池，包括箱体(100)和安装在箱体(100)里面的电堆模块(101)、电堆进气口阀门组(102)、电堆出气口阀门组(103)、输出直流母线铜排和通风组件，其中在箱体的两个相对侧面上分别挖出开口，在其中一个侧面的开口处安装通风组件，在另一侧面的开口处形成排风口，其特征在于：所述的通风组件采用上述权利要求1至9任何一项所述的新型通风组件。
  11. 根据权利要求10所述的一种燃料电池，其特征在于：上述在排风口处还安装排气风扇组件(200)。
PCT/CN2019/076283 2018-08-31 2019-02-27 一种新型通风组件及其应用的燃料电池 Ceased WO2020042552A1 (zh)

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CN203717254U (zh) * 2014-01-10 2014-07-16 江苏金风科技有限公司 盐雾过滤装置及具有其的海上风力发电机组
CN104906788A (zh) * 2014-03-14 2015-09-16 南京化工职业技术学院 一种麻将机新鲜空气进风系统
JP2017137839A (ja) * 2016-02-05 2017-08-10 Ｎｅｃディスプレイソリューションズ株式会社 遠心送風装置、投射型表示装置および電子機器
CN109065936A (zh) * 2018-08-31 2018-12-21 大洋电机新动力科技有限公司 一种新型通风组件及其应用的燃料电池

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* Cited by examiner, † Cited by third party
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CN203717254U (zh) * 2014-01-10 2014-07-16 江苏金风科技有限公司 盐雾过滤装置及具有其的海上风力发电机组
CN104906788A (zh) * 2014-03-14 2015-09-16 南京化工职业技术学院 一种麻将机新鲜空气进风系统
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