阅读说明：本技术 一种氢燃料电池汽车排气装置 (Hydrogen fuel cell automobile exhaust device ) 是由 林宝凤 匡淑美 陈浩华 于 2020-07-27 设计创作，主要内容包括：本发明提供一种氢燃料电池汽车排气装置,包括筒体以及固定在筒体左端中间位置的连接管,所述筒体右端设置左大右小布置的锥形罩,所述筒体环形外侧设置固定环,所述锥形罩左端螺纹连接固定环,所述固定环与筒体左部之间等距固定至少两个固定板,所述筒体内部中间位置转动连接左右布置的主轴,所述主轴左右两端均设置固定盖,且两个固定盖分别设置在筒体内部以及锥形罩内部,所述固定盖环形外端等距固定连接至少四个扇叶,与现有技术相比,本发明具有如下的有益效果：通过扇叶将废气中氢气和水蒸气进行均匀混合,也将废气与外界空气进行混合,降低废气中氢气浓度,防在排出口产生高浓度氢气,提升安全性。(The invention provides a hydrogen fuel cell automobile exhaust device, which comprises a cylinder body and a connecting pipe fixed in the middle of the left end of the cylinder body, wherein the right end of the cylinder body is provided with a conical cover which is arranged in a large left and small right manner, the annular outer side of the cylinder body is provided with a fixing ring, the left end of the conical cover is in threaded connection with the fixing ring, at least two fixing plates are fixed between the fixing ring and the left part of the cylinder body at equal intervals, the middle of the inner part of the cylinder body is rotatably connected with a main shaft which is arranged in a left and right manner, the left end and the right end of the main shaft are respectively provided with a fixing cover, the two fixing covers are respectively arranged in the cylinder body and the conical cover, and the: carry out the homogeneous mixing through hydrogen and vapor in the flabellum with waste gas, also mix waste gas and outside air, reduce hydrogen concentration in the waste gas, prevent to produce high concentration hydrogen at the discharge port, promote the security.)

1. A hydrogen fuel cell automobile exhaust device is characterized in that: including barrel (2) and fix connecting pipe (1) at barrel (2) left end intermediate position, barrel (2) right-hand member sets up big right taper cover (4) of arranging and extends into inside taper cover (4), barrel (2) annular outside sets up solid fixed ring (3), taper cover (4) left end threaded connection solid fixed ring (3) and extends into solid fixed ring (3), the equidistance is fixed two at least fixed plates (5) and fixed plate (5) are in taper cover (4) left end between solid fixed ring (3) and barrel (2) left part, main shaft (9) and main shaft (9) right-hand member that barrel (2) inside intermediate position rotation connection left and right sides was arranged extend into inside taper cover (4), both ends all set up fixed lid (7) and extend into inside fixed lid (7) about main shaft (9), and two fixed lid (7) set up inside barrel (2) and taper cover (4) respectively, the fixed cover (7) is fixedly connected with at least four fan blades (8) at the annular outer end in an equidistant mode, the conical cover (4) is communicated with the cylinder body (2), and the connecting pipe (1) is communicated with the cylinder body (2).

2. The exhaust device for a hydrogen fuel cell vehicle according to claim 1, characterized in that: the utility model discloses a conical cover, including toper cover (4) left end fixed connection straight section of thick bamboo (41), straight section of thick bamboo (41) left end threaded connection fixed ring (3) and extend into fixed ring (3) inside, at least two fixed plates (5) of straight section of thick bamboo (41) left end laminating, toper cover (4) right-hand member fixed connection straight tube (42), straight section of thick bamboo (41) and toper cover (4) intercommunication, toper cover (4) and straight tube (42) intercommunication.

3. The exhaust device for a hydrogen fuel cell vehicle according to claim 2, characterized in that: the straight tube (41), the conical cover (4) and the straight tube (42) are of an integrated structure.

4. The exhaust device for a hydrogen fuel cell vehicle according to claim 2, characterized in that: the annular outer end of the straight pipe (42) is provided with anti-skid grains.

5. The exhaust device for a hydrogen fuel cell vehicle according to claim 1, characterized in that: at least two dust screens (6) are fixed to the equidistance between solid fixed ring (3) and barrel (2) left part, at least two dust screen (6) set up with at least two fixed plates (5) in turn, and fixed plate (5) and dust screen (6) fixed connection.

6. The exhaust device for a hydrogen fuel cell vehicle according to claim 1, characterized in that: the fixed plate (5) is fixedly connected with the reinforcing block at the connecting position of the cylinder body (2).

7. The exhaust device for a hydrogen fuel cell vehicle according to claim 1, characterized in that: the outer side of the middle ring of the main shaft (9) is rotationally connected with a sleeve (91) through a bearing, the sleeve (91) is positioned in the cylinder body (2), the sleeve (91) is arranged between the two fixed covers (7), the annular inner wall of the right side of the cylinder body (2) is attached to the mounting ring (94), the mounting ring (94) is positioned on the annular outer side of the sleeve (91), at least four reinforcing rods (95) are fixedly connected between the mounting ring (94) and the sleeve (91) at equal intervals, the annular inner wall of the middle part of the mounting ring (94) is fixedly connected with at least two fastening nuts (92) at equal intervals, at least two fastening bolts (93) are equidistantly arranged at the annular outer end of the right side of the cylinder body (2), the fastening bolts (93) are positioned in the conical cover (4), the end, facing the cylinder (2), of the fastening bolt (93) penetrates through the cylinder (2) and the mounting ring (94) and is in threaded connection with the fastening nut (92).

8. The exhaust device for a hydrogen fuel cell vehicle according to claim 1, characterized in that: two threaded holes (96) are symmetrically formed in the left end and the right end of the main shaft (9), bolts are symmetrically arranged at one end, far away from the main shaft (9), of the fixing cover (7) and penetrate through the fixing cover (7) and are in threaded connection with the threaded holes (96).

Technical Field

The invention relates to a hydrogen fuel cell automobile exhaust device, belonging to the technical field of hydrogen fuel cell automobile exhaust.

Background

The biggest difference between a fuel cell automobile and other types of vehicles (a traditional internal combustion engine automobile, a pure electric automobile driven by a storage battery independently and an oil-electricity hybrid electric automobile) is a unique power system, and the oxygen fuel cell automobile with various power system structural forms replaces an engine and a fuel system of the traditional internal combustion engine automobile power system by a fuel cell and an electric motor, wherein a hydrogen fuel cell automobile is one of main fuel cell automobiles, and the main substance discharged by the hydrogen fuel cell automobile is water vapor, so that the zero emission of pollutants is basically close to zero. However, under the current technical conditions, part of incompletely utilized hydrogen is still discharged with the exhaust gas when the hydrogen fuel cell is used.

The low density characteristic of hydrogen makes it easy for hydrogen to accumulate above the exhaust pipe, so that the hydrogen concentration in a local area is sharply increased and there is a risk of knocking. Therefore, hydrogen-fueled vehicles must control the concentration of hydrogen in the exhaust gas, including the bulk concentration and the local zone concentration, below the allowable knock threshold, thereby reducing the risk of knock.

The existing hydrogen fuel cell automobile exhaust device adopts a long straight tube structure, and in the exhaust process, hydrogen is easy to gather at the upper side of the exhaust pipe due to the low density characteristic of the hydrogen, so that during exhaust, high-concentration hydrogen can be gathered in the local area at the upper side of an exhaust port, the detonation probability can be increased, and the safety is poor.

Disclosure of Invention

The invention aims to provide a hydrogen fuel cell automobile exhaust device, aiming at solving the problems that the high-concentration hydrogen is collected in the local area at the upper side of an exhaust outlet, the detonation probability is increased and the safety is poor when the hydrogen fuel cell automobile exhaust device is exhausted in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: an automobile exhaust device with a hydrogen fuel cell comprises a cylinder body and a connecting pipe fixed in the middle of the left end of the cylinder body, the right end of the cylinder body is provided with a conical cover which is arranged in a large left and a small right and extends into the conical cover, the annular outer side of the cylinder body is provided with a fixed ring, the left end of the conical cover is in threaded connection with the fixing ring and extends into the fixing ring, at least two fixing plates are fixed between the fixing ring and the left part of the barrel body at equal intervals, and the fixing plates are positioned at the left end of the conical cover, the middle position in the cylinder body is rotationally connected with a main shaft which is arranged left and right, the right end of the main shaft extends into the conical cover, the left end and the right end of the main shaft are both provided with a fixed cover and extend into the fixed covers, and two fixed lids set up inside the barrel and the conical cover respectively, fixed lid annular outer end equidistance fixed connection four at least flabellums, conical cover and barrel intercommunication, connecting pipe and barrel intercommunication.

Further, the cone cover left end fixed connection straight section of thick bamboo, straight section of thick bamboo left end threaded connection is fixed ring and extends into fixed ring inside, two at least fixed plates of straight section of thick bamboo left end laminating, cone cover right-hand member fixed connection straight tube, straight section of thick bamboo and cone cover intercommunication, cone cover and straight tube intercommunication.

Further, the straight tube, the conical cover and the straight tube are of an integrated structure.

Furthermore, the annular outer end of the straight pipe is provided with anti-skid grains.

Further, at least two dust screens are fixed to the equidistance between solid fixed ring and the barrel left part, at least two the dust screen sets up with two at least fixed plates in turn, and fixed plate and dust screen fixed connection.

Furthermore, the reinforcing block is fixedly connected with the connecting position of the fixing plate and the cylinder body.

Further, the main shaft middle part annular outside is passed through the bearing and is rotated connecting sleeve and sleeve inside being in the barrel, the sleeve is installed between two fixed lids, barrel right side annular inner wall laminating collar and collar are in the sleeve annular outside, four at least stiffeners of equidistance fixed connection between collar and the sleeve, two at least fastening nut of collar middle part annular inner wall equidistance fixed connection, inside barrel right side annular outer end equidistance set up two at least fastening bolt and fastening bolt is in the cone cover, fastening bolt passed barrel and collar and with fastening nut threaded connection towards barrel one end.

Furthermore, two threaded holes are symmetrically formed in the left end and the right end of the main shaft, bolts are symmetrically arranged at one end, far away from the main shaft, of the fixing cover, penetrate through the fixing cover and are in threaded connection with the threaded holes.

The invention has the beneficial effects that: the invention relates to a hydrogen fuel cell automobile exhaust device.

1. The flabellum that can fix the lid outer end through the air current drive right part of the production of traveling rotates, thereby it is rotatory to drive the main shaft, and then the flabellum that drives the fixed lid outer end of left part rotates, the rotatory flabellum of left part can carry out the homogeneous mixing with hydrogen and vapor in the waste gas, thereby reduce holistic hydrogen concentration, the rotatory flabellum of right part can mix waste gas and the external air that flows into the conical cover, further reduce hydrogen concentration in the waste gas, prevent to produce high concentration hydrogen at the discharge port, promote the security.

2. Through fastening bolt and fastening nut, realize the quick assembly disassembly of collar, be convenient for maintain and change, also can provide the installation carrier for the main shaft through collar and sleeve, make simultaneously through the stiffener and produce the air current space that flows between collar and the sleeve to increase the mechanical strength between collar and the sleeve through the stiffener.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an exhaust device of a hydrogen fuel cell vehicle according to the present invention;

FIG. 2 is a side view of a hydrogen fuel cell vehicle exhaust of the present invention;

FIG. 3 is a cross-sectional view of a hydrogen fuel cell vehicle exhaust system in accordance with the present invention;

FIG. 4 is a schematic view of the main shaft of the exhaust device of a hydrogen fuel cell vehicle according to the present invention.

In the figure: 1-connecting pipe, 2-barrel, 3-fixing ring, 4-conical cover, 5-fixing plate, 6-dustproof net, 7-fixing cover, 8-fan blade, 9-main shaft, 41-straight barrel, 42-straight barrel, 91-sleeve, 92-fastening nut, 93-fastening bolt, 94-mounting ring, 95-reinforcing rod and 96-threaded hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a hydrogen fuel cell automobile exhaust device comprises a cylinder body 2 and a connecting pipe 1 fixed in the middle of the left end of the cylinder body 2, wherein the right end of the cylinder body 2 is provided with a conical cover 4 which is arranged in a large left and a small right and extends into the conical cover 4, the annular outer side of the cylinder body 2 is provided with a fixing ring 3, the left end of the conical cover 4 is in threaded connection with the fixing ring 3 and extends into the fixing ring 3, at least two fixing plates 5 are fixed between the fixing ring 3 and the left part of the cylinder body 2 at equal intervals, the fixing plates 5 are arranged at the left end of the conical cover 4, the fixing ring 3 and the cylinder body 2 are fastened and installed through the fixing plates 5, a plurality of air inlet openings are also generated between the fixing ring 3 and the cylinder body 2, the middle of the inside of the cylinder body 2 is rotatably connected with a main shaft 9 which is arranged in a left and a right direction, the right end of the main shaft 9 extends into the conical, the annular outer end of the fixed cover 7 is fixedly connected with at least four fan blades 8 at equal intervals, the conical cover 4 is communicated with the cylinder body 2, and the connecting pipe 1 is communicated with the cylinder body 2.

Specifically, firstly, the connecting pipe 1 is communicated with the exhaust gas path of the hydrogen fuel cell vehicle, in the running process of the hydrogen fuel cell vehicle, the outside air can generate air flow, the air flow enters the conical cover 4 through the opening formed between the fixing ring 3 and the cylinder 2, and the fan blade 8 at the outer end of the right fixing cover 7 is driven to rotate through the air flow, so as to drive the main shaft 9 to rotate, further drive the fan blade 8 at the outer end of the left fixing cover 7 to rotate, meanwhile, the exhaust gas generated by the hydrogen fuel cell vehicle is conveyed into the cylinder 2 through the connecting pipe 1, at the moment, the fan blade 8 at the left rotating part can uniformly mix the hydrogen and the water vapor in the exhaust gas, so as to reduce the whole hydrogen concentration, then the mixed exhaust gas is conveyed into the conical cover 4, the fan blade 8 at the right rotating part can mix the exhaust gas with the outside air flowing into the conical cover 4, so as, prevent the generation of high-concentration hydrogen at the discharge port and improve the safety.

As an embodiment of the present invention: 4 left end fixed connection straight section of thick bamboo 41 of toper cover, straight 41 left end threaded connection fixed ring 3 and extend into fixed ring 3 inside, two at least fixed plates 5 of straight 41 left ends laminating, 4 right-hand member fixed connection straight tubes 42 of toper cover, straight 41 and 4 intercommunications of toper cover, toper cover 4 and straight tube 42 intercommunication, specifically, through straight 41, with toper cover 4 and fixed ring 3's threaded connection, realize the quick assembly disassembly of toper cover 4, be convenient for maintain 2 inside barrels, also conveniently change and maintain toper cover 4, and discharge exhaust through straight tube 42.

As an embodiment of the present invention: the straight tube 41, the conical cover 4, and the straight tube 42 are of an integrated structure, and in particular, are conveniently produced by an integrally molded structure.

As an embodiment of the present invention: anti-skidding line is seted up to straight tube 42 annular outer end, specifically, through anti-skidding line, increases coefficient of friction, can rotate straight tube 42, and then drives conical cover 4 and straight section of thick bamboo 41 and rotate, the straight section of thick bamboo 41 of being convenient for and the dismouting of solid fixed ring 3.

As an embodiment of the present invention: at least two dust screens 6 are fixed to the equidistance between solid fixed ring 3 and the 2 left parts of barrel, and at least two dust screens 6 set up with at least two fixed plates 5 in turn, and fixed plate 5 and dust screen 6 fixed connection, specifically, through dust screen 6, prevent that dust in the outside air from getting into in the cone cover 4.

As an embodiment of the present invention: the fixed plate 5 and the barrel 2 are fixedly connected with the reinforcing block at the connecting position, and particularly, the connecting strength of the fixed plate 5 and the barrel 2 is increased through the reinforcing block.

As an embodiment of the present invention: the middle annular outer side of the main shaft 9 is rotatably connected with a sleeve 91 through a bearing, the sleeve 91 is positioned inside the cylinder body 2, the sleeve 91 is arranged between two fixed covers 7, the right annular inner wall of the cylinder body 2 is attached with a mounting ring 94, the mounting ring 94 is positioned outside the annular outer side of the sleeve 91, at least four reinforcing rods 95 are fixedly connected between the mounting ring 94 and the sleeve 91 at equal intervals, at least two fastening nuts 92 are fixedly connected at equal intervals on the middle annular inner wall of the mounting ring 94, at least two fastening bolts 93 are arranged at equal intervals on the right annular outer end of the cylinder body 2, the fastening bolts 93 are positioned inside the conical cover 4, one end, facing the cylinder body 2, of each fastening bolt 93 penetrates through the cylinder body 2 and the mounting ring 94 and is in threaded connection with the fastening nuts 92, the mounting ring 94 can be mounted on the annular inner wall of the cylinder body 2, and the mounting ring 94 can, the main shaft 9 can be provided with a mounting carrier through the mounting ring 94 and the sleeve 91, the air flow space is generated between the mounting ring 94 and the sleeve 91 through the reinforcing rod 95, and the mechanical strength between the mounting ring 94 and the sleeve 91 is increased through the reinforcing rod 95.

As an embodiment of the present invention: two screw holes 96 are all symmetrically formed in the left end and the right end of the main shaft 9, the fixing cover 7 is away from one end of the main shaft 9, symmetrically arranged bolts penetrate through the fixing cover 7 and are in threaded connection with the screw holes 96, specifically, the bolts are rotated, and then the bolts are detached from the screw holes 96, the limitation on the fixing cover 7 is removed, the fixing cover 7 can be taken out of the main shaft 9, the fixing cover 7 and the fan blades 8 can be quickly disassembled and assembled, and maintenance and replacement are facilitated.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.