CN219317215U - A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles - Google Patents
A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles Download PDFInfo
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- CN219317215U CN219317215U CN202320042409.4U CN202320042409U CN219317215U CN 219317215 U CN219317215 U CN 219317215U CN 202320042409 U CN202320042409 U CN 202320042409U CN 219317215 U CN219317215 U CN 219317215U
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- 239000000446 fuel Substances 0.000 title claims abstract description 46
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000001257 hydrogen Substances 0.000 title claims abstract description 45
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 45
- 239000000110 cooling liquid Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 48
- 239000002826 coolant Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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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
- 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
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Abstract
Description
技术领域technical field
本实用新型为压缩机领域,尤其涉及一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机。The utility model belongs to the field of compressors, in particular to a single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles.
背景技术Background technique
氢燃料电池汽车,顾名思义,就是通过氢燃料电池为动力的汽车,其空气压缩机是燃料电池的重要部件,为电堆提供反应所需的氧气。Hydrogen fuel cell vehicles, as the name suggests, are vehicles powered by hydrogen fuel cells. The air compressor is an important part of the fuel cell, providing the oxygen needed for the reaction of the stack.
众所周知,氢燃料电池汽车用单级高速氢燃料电池离心压缩机,在使用时,需要对电机进行冷却,冷却时需要借助外部冷却液或者外部风冷设备,这样一来,不仅浪费电源,而且侵占空间。As we all know, the single-stage high-speed hydrogen fuel cell centrifugal compressor used in hydrogen fuel cell vehicles needs to cool the motor when it is used. When cooling, it needs to use external coolant or external air cooling equipment. In this way, it not only wastes power, but also occupies space.
因此,发明一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机显得非常必要。Therefore, it is very necessary to invent a single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles.
实用新型内容Utility model content
为了解决上述技术问题,本实用新型提供一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机,包括叶轮,叶轮外壳,电机定子主体,电机转子,机壳,后端罩和固定座,其中:叶轮的外部固定安装有叶轮外壳,且叶轮与电机转子的一端固定连接,该电机转子与电机定子主体的内部转动连接,并与电机定子主体同轴心;所述电机定子主体固定安装在机壳的内部,且机壳的后端固定安装有后端罩;所述电机定子主体和电机转子前端之间固定安装有前端盖;所述机壳后侧表面的一周均布固定安装有三个进气筒,进气筒用于外部空气的进入,每个所述进气筒外端的内部固定安装有过滤芯,过滤芯用于过滤外部空气中的杂质,且机壳上方的两侧分别固定安装有冷却液出口和冷却液进口,冷却液出口和冷却液进口分别与外部冷却液循环设备进行固定连接,该机壳表面的一侧固定安装有接线盒,接线盒与电机定子主体电性连接;所述固定座一端的上方与叶轮外壳的下方固定连接,且固定座另一端的上方与机壳后端的下方固定连接,该机壳的前端与叶轮外壳的一侧固定连接。In order to solve the above technical problems, the utility model provides a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell vehicle, including an impeller, an impeller casing, a motor stator body, a motor rotor, a casing, a rear end cover and a fixing seat, Wherein: the impeller casing is fixedly installed on the outside of the impeller, and the impeller is fixedly connected to one end of the motor rotor, and the motor rotor is connected to the interior of the motor stator body in rotation, and is coaxial with the motor stator body; the motor stator body is fixedly installed on The inside of the casing, and the rear end of the casing is fixedly installed with a rear end cover; the front end cover is fixedly installed between the motor stator main body and the front end of the motor rotor; The air intake cylinder is used for the entry of external air, and a filter element is fixedly installed inside the outer end of each of the air intake cylinders, and the filter element is used to filter impurities in the external air, and the two sides above the casing are respectively fixedly installed with cooling The liquid outlet and the cooling liquid inlet, the cooling liquid outlet and the cooling liquid inlet are respectively fixedly connected with the external cooling liquid circulation equipment, and a junction box is fixedly installed on one side of the surface of the casing, and the junction box is electrically connected with the main body of the motor stator; The top of one end of the fixing seat is fixedly connected with the bottom of the impeller casing, and the top of the other end of the fixing seat is fixedly connected with the bottom of the casing rear end, and the front end of the casing is fixedly connected with one side of the impeller casing.
优选的,所述叶轮外壳包括壳体,空腔,吸气孔,高压出气筒和密封筒,且壳体的内部开设有空腔,该壳体的外侧固定安装有密封盖;所述壳体的内侧开设有吸气孔,且吸气孔与空腔的内部连通,叶轮通过吸气孔和进气筒把外部空气吸入到空腔中;所述壳体上方的一侧固定安装有高压出气筒,且高压出气筒与空腔的内部连通,该高压出气筒的外端与氢燃料电池对应的气管连接,把空腔中的高压气体输送给氢燃料电池;所述叶轮转动安装在空腔的内部,并与吸气孔同轴心,且吸气孔的外侧与密封筒的一端固定连接,该密封筒与吸气孔同轴心;所述密封筒的另一端与机壳的前端固定连接,壳体外部的下方与固定座一端的上方固定连接。Preferably, the impeller housing includes a housing, a cavity, a suction hole, a high-pressure outlet cylinder and a sealing cylinder, and a cavity is opened inside the housing, and a sealing cover is fixedly installed on the outside of the housing; There is a suction hole on the inner side, and the suction hole communicates with the inside of the cavity, and the impeller sucks the external air into the cavity through the suction hole and the air inlet cylinder; a high-pressure outlet cylinder is fixedly installed on the side above the housing, and The high-pressure gas outlet communicates with the interior of the cavity, and the outer end of the high-pressure gas outlet is connected to the gas pipe corresponding to the hydrogen fuel cell to deliver the high-pressure gas in the cavity to the hydrogen fuel cell; The suction hole is coaxial, and the outside of the suction hole is fixedly connected to one end of the sealing cylinder, which is coaxial with the suction hole; the other end of the sealing cylinder is fixedly connected to the front end of the casing, and the outside of the casing The bottom is fixedly connected with the top of one end of the fixed seat.
优选的,所述密封筒的另一端开设有环槽,且环槽的内部均布开设有四个内螺纹固定孔,该环槽的内部放有与内螺纹固定孔相对应的密封垫。Preferably, the other end of the sealing cylinder is provided with an annular groove, and four internally threaded fixing holes are evenly distributed inside the annular groove, and a sealing gasket corresponding to the internally threaded fixing holes is placed inside the annular groove.
优选的,所述机壳包括机壳主体,连接盘,气腔和冷却液密封腔,所述机壳主体的前端固定安装有连接盘,且连接盘与机壳主体同轴心,该连接盘与密封筒带有有环槽的一端固定连接;所述机壳主体的内部贯穿开设有若干个气腔,气腔能够输送空气,并通过空气对电机定子主体和冷却液密封腔内部的泠却液降温,每个所述气腔的后端分别与每个所述的进气筒的内部相连通,且每个所述气腔的前端分别与吸气孔的内部相连通;所述机壳主体的内部开设有冷却液密封腔,且冷却液密封腔处于气腔的下方,该冷却液密封腔内部的前侧与冷却液进口的内部连通,冷却液密封腔内部的后侧与冷却液出口的内部连通;所述机壳主体外部后端的下方与固定座另一端的上方固定连接。Preferably, the casing includes a casing main body, a connecting plate, an air cavity and a cooling liquid sealing cavity, the front end of the casing main body is fixedly installed with a connecting plate, and the connecting plate is coaxial with the main body of the casing, and the connecting plate It is fixedly connected with one end of the sealing cylinder with a ring groove; several air cavities are opened through the inside of the main body of the casing, and the air cavities can transport air, and through the air, the cooling of the motor stator main body and the inside of the coolant sealing cavity Liquid cooling, the rear end of each of the air chambers communicates with the inside of each of the air intake cylinders, and the front end of each of the air chambers communicates with the inside of the suction hole; the main body of the casing There is a cooling liquid sealing cavity inside, and the cooling liquid sealing cavity is under the air cavity, the front side of the cooling liquid sealing cavity is connected with the inside of the cooling liquid inlet, and the rear side of the cooling liquid sealing cavity is connected with the cooling liquid outlet. The interior is connected; the lower part of the outer rear end of the casing main body is fixedly connected with the upper part of the other end of the fixing seat.
优选的,所述连接盘的直径与密封筒的直径相同,且连接盘的表面开设有与内螺纹固定孔相对应的螺纹孔,该连接盘表面的螺纹孔通过螺栓与内螺纹固定孔固定连接。Preferably, the diameter of the connecting plate is the same as that of the sealing cylinder, and the surface of the connecting plate is provided with threaded holes corresponding to the internally threaded fixing holes, and the threaded holes on the surface of the connecting plate are fixedly connected to the internally threaded fixing holes by bolts .
与现有技术相比,本实用新型的优点在于:Compared with the prior art, the utility model has the advantages of:
本实用新型在为氢燃料电池汽车氢燃料电池输送气体时,能够通叶轮过输送的气体对电机的机体以及机体内部的冷却液进行降温冷却工作,从而能减少借助外部设备进行降温的麻烦,使其整体在对气体压缩时,更加的高效和节能。When the utility model transports gas for the hydrogen fuel cell of a hydrogen fuel cell vehicle, the gas transported through the impeller can cool down the body of the motor and the cooling liquid inside the body, thereby reducing the trouble of cooling with the aid of external equipment and making the utility model It is more efficient and energy-saving when compressing gas as a whole.
附图说明Description of drawings
图1是本实用新型的整体结构示意图。Fig. 1 is a schematic diagram of the overall structure of the utility model.
图2是本实用新型的叶轮外壳内部和叶轮结构示意图。Fig. 2 is a schematic diagram of the interior of the impeller housing and the structure of the impeller of the present invention.
图3是本实用新型的机壳结构示意图。Fig. 3 is a schematic diagram of the casing structure of the present invention.
图中:In the picture:
叶轮1,叶轮外壳2,壳体21,空腔22,吸气孔23,高压出气筒24,密封筒25,环槽26,内螺纹固定孔27,电机定子主体3,电机转子4,机壳5,机壳主体51,连接盘52,气腔53,冷却液密封腔54,后端罩6,进气筒7,过滤芯8,冷却液出口9,冷却液进口10,接线盒11,固定座12。
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本实用新型方案,下面将对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分的实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都应当属于本实用新型保护的范围。In order to enable those skilled in the art to better understand the utility model solution, the technical solution in the utility model embodiment will be clearly and completely described below. Obviously, the described embodiment is only a part of the utility model embodiment , but not all examples. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
以下结合附图对本实用新型做进一步描述:Below in conjunction with accompanying drawing, the utility model is further described:
实施例一Embodiment one
参照图1-3,一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机,包括叶轮1,叶轮外壳2,电机定子主体3,电机转子4,机壳5,后端罩6和固定座12,其中:叶轮1的外部固定安装有叶轮外壳2,且叶轮1与电机转子4的一端固定连接,该电机转子4与电机定子主体3的内部转动连接,并与电机定子主体3同轴心;电机定子主体3固定安装在机壳5的内部,且机壳5的后端通过螺栓固定安装有后端罩6;电机定子主体3和电机转子4前端之间通过螺栓固定安装有前端盖;机壳5后侧表面的一周均布固定安装有三个进气筒7,进气筒7用于外部空气的进入,每个进气筒7外端的内部通过螺纹固定连接有过滤芯8,过滤芯8用于过滤外部空气中的杂质,且机壳5上方的两侧分别固定安装有冷却液出口9和冷却液进口10,冷却液出口9和冷却液进口10分别与外部冷却液循环设备进行固定连接,该机壳5表面的一侧固定安装有接线盒11,接线盒11与电机定子主体3电性连接;固定座12一端的上方与叶轮外壳2的下方通过减震器固定连接,且固定座12另一端的上方与机壳5后端的下方通过减震器固定连接,该机壳5的前端与叶轮外壳2的一侧固定连接;Referring to Figures 1-3, a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell vehicle includes an
需要说明的是,在对氢燃料电池汽车的氢燃料电池输送所需的气体时,能够通过电机转子4带动叶轮1转动,使叶轮1通过过滤芯8,进气筒7,气腔53和吸气孔23把外部气体过滤后吸到空腔22中进行压缩,最后通过高压出气筒24输送给氢燃料电池;过滤芯8采用现有技术,如现有技术中的活性炭过滤芯。It should be noted that, when delivering the required gas to the hydrogen fuel cell of a hydrogen fuel cell vehicle, the
叶轮外壳2包括壳体21,空腔22,吸气孔23,高压出气筒24和密封筒25,且壳体21的内部开设有空腔22,该壳体21的外侧通过螺栓固定安装有密封盖,密封盖与壳体21之间进行密封处理;壳体21的内侧开设有吸气孔23,且吸气孔23与空腔22的内部连通,叶轮1通过吸气孔23和进气筒7把外部空气吸入到空腔22中;壳体21上方的一侧固定安装有高压出气筒24,且高压出气筒24与空腔22的内部连通,该高压出气筒24的外端与氢燃料电池对应的气管连接,把空腔22中的高压气体输送给氢燃料电池;叶轮1转动安装在空腔22的内部,叶轮1与吸气孔23同轴心,且吸气孔23的外侧与密封筒25的一端焊接固定连接,该密封筒25与吸气孔23同轴心;密封筒25的另一端与机壳5的前端通过螺栓固定连接,壳体21外部的下方与固定座12一端的上方固定连接;The impeller casing 2 includes a
通过壳体21外侧密封盖的设置,当后期叶轮1发生故障时,便于单独的对叶轮1拆卸维修,同时叶轮外壳2与机壳5之间结构的设置,同样在后期,当电机定子主体3或者电机转子4发生故障时,便于拆卸维修。Through the setting of the outer sealing cover of the
密封筒25的另一端开设有环槽26,且环槽26的内部均布开设有四个内螺纹固定孔27,该环槽26的内部放有与内螺纹固定孔27相对应的密封垫,密封垫处于密封筒25与连接盘52之间;The other end of the sealing
通过环槽26和密封垫的设置,能够保证密封筒25与连接盘52之间的密封性,在叶轮1吸入气体时,防止气体泄漏。Through the arrangement of the
机壳5包括机壳主体51,连接盘52,气腔53和冷却液密封腔54,机壳主体51的前端通过焊接固定安装有连接盘52,且连接盘52与机壳主体51同轴心,该连接盘52与密封筒25带有有环槽26的一端固定密封连接;机壳主体51的内部贯穿开设有若干个气腔53,气腔53能够输送空气,并通过空气对电机定子主体3和冷却液密封腔54内部的泠却液降温,每个气腔53的后端分别与每个的进气筒7的内部相连通,且每个气腔53的前端分别与吸气孔23的内部相连通;机壳主体51的内部开设有冷却液密封腔54,且冷却液密封腔54处于气腔53的下方,该冷却液密封腔54内部的前侧与冷却液进口10的内部连通,冷却液密封腔54内部的后侧与冷却液出口9的内部连通;机壳主体51外部后端的下方与固定座12另一端的上方固定连接;The casing 5 includes a casing
在对氢燃料电池汽车的氢燃料电池输送所需的气体时,通过冷却液进口10和冷却液出口9与外部冷却液循环设备连接,让外部冷却液循环设备把冷却液通过冷却液进口10输送到冷却液密封腔54中,然后吸附热量,再从冷却液出口9中回到外部冷却液循环设备中进行冷却,从而控制整体设备的温度;由于气体在叶轮1的作用下,会从过滤芯8和进气筒7中进入到气腔53中,然后从气腔53进入到密封筒25中,这样一来,气体在气腔53流动的过程中,便会对机壳5和冷却液密封腔54内部的泠却液以及机壳5内部的电机定子主体3和电机转子4进行冷却降温工作,从而提高整体的冷却降温的效率,减少外部冷却液循环设备的冷却压力,以及减少对氢燃料电池电量的消耗,使其整体更加的节能。When delivering the required gas to the hydrogen fuel cell of the hydrogen fuel cell vehicle, connect the external coolant circulation equipment through the
本实施例中,在对氢燃料电池汽车的氢燃料电池输送所需的气体时,通过固定座12把整体固定安装在汽车所需的位置,然后通过高压出气筒24与氢燃料电池所对应的管道进行固定连接,然后再通过接线盒11与汽车的电源进行电性连接即可;工作时,电机定子主体3驱动电机转子4高速转动,从而带动叶轮1高速转动,叶轮1高速转动,便会通过过滤芯8,进气筒7,气腔53和吸气孔23把外部气体过滤后吸到空腔22中进行压缩,最后通过高压出气筒24输送给氢燃料电池;在气体从气腔53中穿过时,气体便会对机壳5和冷却液密封腔54内部的泠却液以及机壳5内部的电机定子主体3和电机转子4进行冷却降温工作,从而提高整体的冷却降温的效率,减少外部冷却液循环设备的冷却压力,以及减少对氢燃料电池电量的消耗;在后期需要清洁过滤芯8时,只需从进气筒7拆卸下过滤芯8,然后进行相应的清洗或者更换即可。In this embodiment, when the required gas is delivered to the hydrogen fuel cell of the hydrogen fuel cell vehicle, the whole body is fixedly installed on the required position of the vehicle through the
利用本实用新型所述技术方案,或本领域的技术人员在本实用新型技术方案的启发下,设计出类似的技术方案,而达到上述技术效果的,均是落入本实用新型的保护范围。Utilize the technical solution described in the utility model, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the utility model, and achieve the above-mentioned technical effects, all fall into the protection scope of the utility model.
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