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 PDF

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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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casing
fuel cell
impeller
air
hydrogen fuel
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陈庆华
林剑
朱绍鹏
刘永清
高健
项雯青
余久鹏
周扬
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Zhejiang Santian A/c Compressor Co ltd
Zhejiang University ZJU
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Zhejiang Santian A/c Compressor Co ltd
Zhejiang University ZJU
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

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Abstract

The utility model provides a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell automobile, which comprises an impeller, a motor stator main body, a motor rotor and a shell, wherein an impeller shell is arranged outside the impeller, the impeller is connected with the motor rotor, and the motor rotor is rotationally connected with the motor stator main body; the motor stator main body is arranged in the shell, and the rear end of the shell is provided with a rear end cover; a front end cover is arranged between the motor stator main body and the motor rotor; the rear end of the shell is provided with an air inlet cylinder, a filter element is arranged in the air inlet cylinder, the shell is provided with a cooling liquid outlet and a cooling liquid inlet, the cooling liquid outlet and the cooling liquid inlet are connected with external cooling liquid circulation equipment, the shell is externally provided with a junction box, and the junction box is electrically connected with a motor stator main body; the fixed seat is connected with the impeller shell and the shell, and the shell is connected with the impeller shell. According to the utility model, the motor and the cooling liquid are cooled by the air sucked by the impeller, so that the power supply is saved, the occupied space is reduced, the overall heat dissipation efficiency is improved, and the market popularization and application are facilitated.

Description

一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles

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。Impeller 1, impeller casing 2, casing 21, cavity 22, suction hole 23, high-pressure outlet cylinder 24, sealing cylinder 25, ring groove 26, internal thread fixing hole 27, motor stator main body 3, motor rotor 4, casing 5 , casing main body 51, connection plate 52, air cavity 53, coolant seal cavity 54, rear cover 6, air intake cylinder 7, filter element 8, coolant outlet 9, coolant inlet 10, junction box 11, fixing seat 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 impeller 1, an impeller housing 2, a motor stator body 3, a motor rotor 4, a casing 5, a rear end cover 6 and a fixed Seat 12, wherein: the outside of the impeller 1 is fixedly installed with the impeller casing 2, and the impeller 1 is fixedly connected with one end of the motor rotor 4, and the motor rotor 4 is connected with the inner rotation of the motor stator main body 3, and is coaxial with the motor stator main body 3 The motor stator main body 3 is fixedly installed inside the casing 5, and the rear end of the casing 5 is fixed with a rear end cover 6 by bolts; the front end cover is fixed by bolts between the motor stator main body 3 and the front end of the motor rotor 4 A week of the casing 5 rear side surface is evenly distributed and fixedly installed with three air intake tubes 7, and the air intake tube 7 is used for the entry of external air, and the inside of each air intake tube 7 outer ends is fixedly connected with a filter core 8 by threads, and the filter core 8 uses To filter the impurities in the external air, and the two sides above the casing 5 are fixedly installed with the cooling liquid outlet 9 and the cooling liquid inlet 10 respectively, and the cooling liquid outlet 9 and the cooling liquid inlet 10 are respectively fixedly connected with the external cooling liquid circulation equipment, One side of the surface of the casing 5 is fixedly equipped with a junction box 11, and the junction box 11 is electrically connected with the motor stator main body 3; The top of the other end is fixedly connected to the bottom of the rear end of the casing 5 through a shock absorber, and the front end of the casing 5 is fixedly connected to one side of the impeller casing 2;

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 motor rotor 4 can drive the impeller 1 to rotate, so that the impeller 1 can pass through the filter core 8, the air intake cylinder 7, the air chamber 53 and the air intake The holes 23 filter the external air and suck it into the cavity 22 for compression, and finally deliver it to the hydrogen fuel cell through the high-pressure outlet cylinder 24; the filter element 8 adopts the prior art, such as the activated carbon filter element in the prior art.

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 casing 21, a cavity 22, an air suction hole 23, a high-pressure outlet cylinder 24 and a sealing cylinder 25, and a cavity 22 is opened inside the casing 21, and a sealing cover is fixed on the outside of the casing 21 by bolts , the sealing process is carried out between the sealing cover and the housing 21; the inner side of the housing 21 is provided with a suction hole 23, and the suction hole 23 communicates with the inside of the cavity 22, and the impeller 1 passes through the suction hole 23 and the intake cylinder 7 External air is sucked into the cavity 22; a high-pressure gas outlet 24 is fixedly installed on one side above the housing 21, and the high-pressure gas outlet 24 communicates with the interior of the cavity 22, and the outer end of the high-pressure gas outlet 24 is connected to the gas pipe corresponding to the hydrogen fuel cell , to deliver the high-pressure gas in the cavity 22 to the hydrogen fuel cell; the impeller 1 is rotatably installed inside the cavity 22, the impeller 1 is coaxial with the suction hole 23, and the outside of the suction hole 23 is in contact with one end of the sealing cylinder 25 Welding and fixed connection, the sealing cylinder 25 is coaxial with the suction hole 23; the other end of the sealing cylinder 25 is fixedly connected with the front end of the casing 5 through bolts, and the lower part of the outer casing 21 is fixedly connected with the top of one end of the fixed seat 12;

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 housing 21, when the impeller 1 fails in the later stage, it is convenient to disassemble and repair the impeller 1 alone. Or when the motor rotor 4 breaks down, it is convenient for disassembly and maintenance.

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 cylinder 25 is provided with an annular groove 26, and four internally threaded fixing holes 27 are evenly distributed inside the annular groove 26, and a sealing gasket corresponding to the internally threaded fixing holes 27 is placed inside the annular groove 26, The gasket is between the sealing cylinder 25 and the connection plate 52;

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 ring groove 26 and the sealing gasket, the sealing performance between the sealing cylinder 25 and the connection plate 52 can be ensured, and the gas leakage can be prevented when the impeller 1 sucks gas.

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 main body 51, a connecting plate 52, an air cavity 53 and a coolant sealing cavity 54. The front end of the casing main body 51 is fixedly mounted with a connecting plate 52 by welding, and the connecting plate 52 is coaxial with the casing main body 51. , the connection plate 52 is fixed and sealed with one end of the sealing cylinder 25 with the ring groove 26; several air cavities 53 are opened through the inside of the casing main body 51, and the air cavities 53 can transport air, and pass air to the motor stator main body. 3 and the cooling liquid inside the cooling liquid sealing chamber 54 to cool down, the rear end of each air chamber 53 communicates with the inside of each air intake tube 7 respectively, and the front end of each air chamber 53 is respectively connected to the suction hole 23 The inside is connected; the inside of the casing main body 51 is provided with a coolant seal cavity 54, and the coolant seal cavity 54 is located below the air cavity 53, and the front side of the coolant seal cavity 54 communicates with the inside of the coolant inlet 10, The rear side inside the coolant seal cavity 54 communicates with the inside of the coolant outlet 9; the lower part of the outer rear end of the casing main body 51 is fixedly connected to the upper part of the other end of the fixing seat 12;

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 coolant inlet 10 and the coolant outlet 9, so that the external coolant circulation equipment can deliver the coolant through the coolant inlet 10 into the cooling liquid sealing cavity 54, then absorb heat, and then return to the external cooling liquid circulation equipment from the cooling liquid outlet 9 for cooling, thereby controlling the temperature of the overall equipment; due to the action of the impeller 1, the gas will flow from the filter element 8 and air intake cylinder 7 into the air cavity 53, and then enter the sealing cylinder 25 from the air cavity 53, so that the gas will seal the cavity to the casing 5 and the cooling liquid during the flow of the gas in the air cavity 53 The coolant inside 54 and the motor stator main body 3 and motor rotor 4 inside the casing 5 perform cooling and cooling work, thereby improving the overall cooling efficiency, reducing the cooling pressure of the external coolant circulation equipment, and reducing the impact on the hydrogen fuel cell. The power consumption makes it more energy-saving overall.

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 fixing seat 12, and then the pipeline corresponding to the hydrogen fuel cell is passed through the high-pressure outlet cylinder 24 Make a fixed connection, and then electrically connect with the power supply of the car through the junction box 11; when working, the motor stator main body 3 drives the motor rotor 4 to rotate at a high speed, thereby driving the impeller 1 to rotate at a high speed, and the impeller 1 rotates at a high speed. The filter element 8, the air inlet cylinder 7, the air cavity 53 and the suction hole 23 filter the external air and suck it into the cavity 22 for compression, and finally deliver it to the hydrogen fuel cell through the high-pressure outlet cylinder 24; when the gas passes through the air cavity 53 , the gas will cool the cooling liquid inside the casing 5 and the cooling liquid sealing chamber 54, as well as the motor stator main body 3 and the motor rotor 4 inside the casing 5, thereby improving the overall cooling efficiency and reducing external cooling. The cooling pressure of the liquid circulation equipment and the reduction of the power consumption of the hydrogen fuel cell; when the filter element 8 needs to be cleaned later, it is only necessary to disassemble the filter element 8 from the intake cylinder 7, and then perform corresponding cleaning or replacement.

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.

Claims (5)

1.一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机,其特征在于: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;所述电机定子主体(3)固定安装在机壳(5)的内部,且机壳(5)的后端固定安装有后端罩(6);所述电机定子主体(3)和电机转子(4)前端之间固定安装有前端盖;所述机壳(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,每个所述进气筒(7)的内部固定安装有过滤芯(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)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;所述固定座(12)一端的上方与叶轮外壳(2)的下方固定连接,且固定座(12)另一端的上方与机壳(5)后端的下方固定连接,该机壳(5)的前端与叶轮外壳(2)的一侧固定连接。1. A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles, characterized in that it includes an impeller (1), an impeller housing (2), a motor stator body (3), a motor rotor (4), and a casing (5), the rear cover (6) and the fixing seat (12), wherein: the impeller housing (2) is fixedly installed on the outside of the impeller (1), and the impeller (1) is fixedly connected to one end of the motor rotor (4), The motor rotor (4) is rotationally connected with the interior of the motor stator main body (3), and is coaxial with the motor stator main body (3); the motor stator main body (3) is fixedly installed inside the casing (5), and The rear end of the casing (5) is fixedly installed with a rear end cover (6); the front end cover is fixedly installed between the motor stator main body (3) and the front end of the motor rotor (4); the rear side of the casing (5) A week of the surface is evenly distributed and fixedly installed with three air intake cylinders (7), and the air intake cylinder (7) is used for the entry of external air, and the inside of each described air intake cylinder (7) is fixedly equipped with a filter core (8), and the filter core ( 8) It is used to filter the impurities in the external air, and the two sides above the casing (5) are fixedly installed with the cooling liquid outlet (9) and the cooling liquid inlet (10), the cooling liquid outlet (9) and the cooling liquid inlet (10 ) is fixedly connected with the external coolant circulation equipment, and a junction box (11) is fixedly installed on one side of the surface of the casing (5), and the junction box (11) is electrically connected with the motor stator main body (3); the fixing seat (12) The top of one end is fixedly connected to the bottom of the impeller casing (2), and the top of the other end of the fixing seat (12) is fixedly connected to the bottom of the rear end of the casing (5). The front end of the casing (5) is connected to the impeller casing One side of (2) is fixedly connected. 2.如权利要求1所述的一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机,其特征在于:所述叶轮外壳(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)的外侧固定安装有密封盖;所述壳体(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;所述壳体(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;所述叶轮(1)转动安装在空腔(22)的内部,并与吸气孔(23)同轴心,且吸气孔(23)的外侧与密封筒(25)的一端固定连接,该密封筒(25)与吸气孔(23)同轴心;所述密封筒(25)的另一端与机壳(5)的前端固定连接,壳体(21)外部的下方与固定座(12)一端的上方固定连接。2. A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles according to claim 1, characterized in that: the impeller housing (2) includes a housing (21), a cavity (22), Inhalation hole (23), high-pressure air outlet cylinder (24) and sealing cylinder (25), and the inside of housing (21) is provided with cavity (22), and the outer side of this housing (21) is fixedly installed with sealing cover; The inner side of the housing (21) is provided with an air suction hole (23), and the air suction hole (23) communicates with the inside of the cavity (22), and the impeller (1) passes through the air suction hole (23) and the air intake cylinder (7 ) sucks the outside air into the cavity (22); one side above the housing (21) is fixedly equipped with a high-pressure air outlet (24), and the high-pressure air outlet (24) communicates with the inside of the cavity (22), the The outer end of the high-pressure outlet cylinder (24) is connected with the corresponding air pipe of the hydrogen fuel cell, and the high-pressure gas in the cavity (22) is delivered to the hydrogen fuel cell; the impeller (1) is installed in the cavity (22) in rotation, And coaxial with the suction hole (23), and the outside of the suction hole (23) is fixedly connected with an end of the sealing cylinder (25), and the sealing cylinder (25) is coaxial with the suction hole (23); The other end of the sealing cylinder (25) is fixedly connected with the front end of the casing (5), and the bottom of the outside of the casing (21) is fixedly connected with the top of one end of the fixing seat (12). 3.如权利要求2所述的一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机,其特征在于:所述密封筒(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。3. A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles according to claim 2, characterized in that: the other end of the sealing cylinder (25) is provided with an annular groove (26), and the annular groove (26) The inside of the groove (26) is evenly distributed with four internally threaded fixing holes (27), and the inside of the ring groove (26) is provided with a sealing gasket corresponding to the internally threaded fixing holes (27). 4.如权利要求2所述的一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机,其特征在于:所述机壳(5)包括机壳主体(51),连接盘(52),气腔(53)和冷却液密封腔(54),所述机壳主体(51)的前端固定安装有连接盘(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)的一端固定连接;所述机壳主体(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;每个所述气腔(53)的后端分别与每个所述的进气筒(7)的内部相连通,且每个所述气腔(53)的前端分别与吸气孔(23)的内部相连通;所述机壳主体(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;所述机壳主体(51)外部后端的下方与固定座(12)另一端的上方固定连接。4. A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles according to claim 2, characterized in that: the casing (5) includes a casing main body (51), a connecting plate (52) , the air chamber (53) and the coolant seal chamber (54), the front end of the casing main body (51) is fixedly equipped with a connecting plate (52), and the connecting plate (52) is coaxial with the casing main body (51) , the connection plate (52) is fixedly connected to the sealing cylinder (25) with one end of the ring groove (26); the inside of the casing main body (51) is provided with several air cavities (53), the air cavities ( 53) air can be transported, and the cooling liquid inside the motor stator main body (3) and the cooling liquid sealing cavity (54) can be cooled by air; the rear end of each said air cavity (53) is connected with each said The inside of the intake cylinder (7) is connected, and the front end of each air cavity (53) is connected with the inside of the suction hole (23); the inside of the casing main body (51) is provided with a coolant seal chamber (54), and the cooling liquid sealing chamber (54) is below the air chamber (53), the front side of the cooling liquid sealing chamber (54) is connected with the inside of the cooling liquid inlet (10), and the cooling liquid sealing chamber ( 54) The rear side of the interior communicates with the interior of the coolant outlet (9); the lower part of the outer rear end of the casing main body (51) is fixedly connected with the upper part of the other end of the fixing seat (12). 5.如权利要求4所述的一种氢燃料电池汽车用单级高速氢燃料电池离心压缩机,其特征在于:所述连接盘(52)的直径与密封筒(25)的直径相同,且连接盘(52)的表面开设有与内螺纹固定孔(27)相对应的螺纹孔,该连接盘(52)表面的螺纹孔通过螺栓与内螺纹固定孔(27)固定连接。5. A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles according to claim 4, characterized in that: the diameter of the connecting plate (52) is the same as that of the sealing cylinder (25), and The surface of the connecting plate (52) is provided with threaded holes corresponding to the internally threaded fixing holes (27), and the threaded holes on the surface of the connecting plate (52) are fixedly connected with the internally threaded fixing holes (27) by bolts.
CN202320042409.4U 2023-01-05 2023-01-05 A single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell vehicles Active CN219317215U (en)

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