CN216741947U

CN216741947U - Low-pressure pulse supercharger

Info

Publication number: CN216741947U
Application number: CN202220402636.9U
Authority: CN
Inventors: 卢炳印; 王青; 杜树村; 魏宁; 臧会泰; 李新海
Original assignee: Shandong Jianzhu University
Current assignee: Shandong Jianzhu University
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-14
Anticipated expiration: 2032-02-25

Abstract

The utility model provides a low pressure pulse booster, relates to machinery, and includes metal casing, the inside built-in chamber that is equipped with of metal casing, the built-in intracavity is equipped with an elasticity tympanic membrane, elasticity tympanic membrane separates built-in chamber for outer pressure boost chamber and interior regulation chamber, interior regulation chamber intercommunication has intake pipe and venthole, outer pressure boost chamber intercommunication has hydrogen intake pipe and hydrogen outlet duct. The device improves the hydrogen pressurization effect by changing the air pressure to cause the tympanic membrane to generate elastic deformation, thereby effectively avoiding the phenomenon of excessively depending on the hydrogen pump. Meanwhile, according to the actual requirement of the external working condition, the gas flow passing through the low-pressure pulse supercharger can be controlled, and the efficiency and the economical efficiency of the whole system are improved.

Description

Low-pressure pulse supercharger

Technical Field

The utility model relates to the field of machinery, in particular to a low-pressure pulse supercharger.

Background

The main part of the hydrogen fuel cell is the galvanic pile, the most important structure in the galvanic pile is a proton exchange membrane, hydrogen and oxygen react and discharge on the proton exchange membrane, the hydrogen fuel cell is a novel clean energy technology, and has the advantages of low operation temperature, high energy conversion rate, high power density, quick start, strong environmental adaptability and the like, the fuel of the hydrogen fuel cell is hydrogen, and in order to improve the utilization rate of the hydrogen, the excessive hydrogen after reaction on the galvanic pile needs to be recycled to a hydrogen gas circuit for cyclic utilization. At present, a hydrogen circulating pump is mainly adopted to carry out pressurization treatment on excessive hydrogen after reaction of a hydrogen fuel cell, but the problems of no oiling, high cost and the like of the hydrogen circulating pump are difficult to solve.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a low-pressure pulse supercharger, which is characterized in that after air is pressurized by an air compressor of an air path in a galvanic pile system, excessive hydrogen is pressurized by the low-pressure tympanic membrane pulse supercharger, so that the cyclic utilization of the hydrogen is realized.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a low pressure pulse booster, includes metal casing, metal casing inside is equipped with a built-in chamber, the built-in intracavity is equipped with an elasticity tympanic membrane, elasticity tympanic membrane separates built-in chamber for outer pressure boost chamber and interior regulation chamber, interior regulation chamber intercommunication has intake pipe and venthole, outer pressure boost chamber intercommunication has hydrogen intake pipe and hydrogen outlet duct.

Further, the hydrogen inlet pipe is provided with an inlet pipe one-way valve; the hydrogen outlet pipe is provided with an outlet pipe one-way valve.

Furthermore, a cross separation plate is arranged in the built-in cavity, and the built-in cavity is divided by the cross separation plate into a first built-in sub-cavity, a second built-in sub-cavity, a third built-in sub-cavity and a fourth built-in sub-cavity.

Further, outer pressure boost chamber includes first outer pressure boost subchamber, second outer pressure boost subchamber, third outer pressure boost subchamber, fourth outer pressure boost subchamber.

Further, the elastic eardrum divides the first internal sub-cavity into a first external pressurizing sub-cavity and a first internal adjusting sub-cavity; the elastic eardrum divides the second built-in sub-cavity into a second outer pressurizing sub-cavity and a second inner adjusting sub-cavity; the elastic eardrum divides the third built-in sub-cavity into a third outer pressurizing sub-cavity and a third inner adjusting sub-cavity; the elastic eardrum divides the fourth built-in sub-cavity into a fourth outer pressurizing sub-cavity and a fourth inner adjusting sub-cavity.

Further, the metal shell comprises a bottom plate, a side wall is arranged on the outer side of the bottom plate, a top plate is arranged at the top of the side wall, and the bottom plate, the side wall and the top together surround the built-in cavity.

Furthermore, the middle part of the bottom plate is provided with a central hole, a single-hole turntable is rotationally connected in the central hole, air holes are formed in the single-hole turntable, and four air outlet holes matched with the air holes are formed in the bottom plate.

Further, the single-hole turntable comprises a turntable, a rotating shaft is mounted on the turntable, and the rotating shaft is rotatably connected in the central hole.

The utility model has the beneficial effects that: the device improves the hydrogen pressurization effect by changing the air pressure to cause the tympanic membrane to generate elastic deformation, thereby effectively avoiding the phenomenon of excessively depending on the hydrogen pump. Meanwhile, according to the actual requirement of the external working condition, the gas flow passing through the low-pressure pulse supercharger can be controlled, and the efficiency and the economical efficiency of the whole system are improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a schematic structural view of a single-hole turntable;

in the figure: 1 metal shell, 11 bottom plates, 111 air outlet holes, 12 side walls, 13 top plates, 14 air inlet pipes, 15 cross partition plates, 151 center holes,

2 an elastic tympanic membrane,

31 hydrogen inlet pipe, 311 inlet pipe one-way valve, 32 hydrogen outlet pipe, 321 outlet pipe one-way valve,

4 single-hole turnplate, 41 turnplate, 42 rotating shaft, 43 air holes,

the S21 first built-in sub-cavity, the S22 second built-in sub-cavity, the S23 third built-in sub-cavity and the S24 fourth built-in sub-cavity are respectively arranged on the S1 outer pressurizing cavity, the S2 inner adjusting cavity.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a low-pressure pulse supercharger comprises a metal shell 1, wherein a built-in cavity is arranged in the metal shell, an elastic drum membrane 2 is arranged in the built-in cavity, and the elastic drum membrane divides the built-in cavity into an outer supercharging cavity S1 and an inner regulation cavity S2. The inner adjusting cavity is communicated with an air inlet pipe 14 and an air outlet hole 111, and the outer pressurizing cavity is communicated with a hydrogen inlet pipe 31 and a hydrogen outlet pipe 32.

Further, the hydrogen inlet pipe 31 is provided with an inlet pipe check valve 311; the hydrogen outlet pipe 32 is provided with an outlet pipe check valve 321.

In at least one embodiment, a cross separation plate 15 is arranged in the built-in cavity, and the cross separation plate 15 separates the built-in cavity into a first built-in sub-cavity S21, a second built-in sub-cavity S22, a third built-in sub-cavity S23 and a fourth built-in sub-cavity S24.

Further, the elastic eardrum divides the first built-in sub-cavity into a first outer pressurizing sub-cavity and a first inner adjusting sub-cavity; the elastic eardrum divides the second built-in sub-cavity into a second outer pressurizing sub-cavity and a second inner adjusting sub-cavity; the elastic eardrum divides the third built-in sub-cavity into a third outer pressurizing sub-cavity and a third inner adjusting sub-cavity; the elastic eardrum divides the fourth built-in sub-cavity into a fourth outer pressurizing sub-cavity and a fourth inner adjusting sub-cavity.

The scheme refines, outer pressure boost chamber includes that first outer pressure boost is sub-chamber, the sub-chamber of the outer pressure boost of second, the sub-chamber of the outer pressure boost of third, the sub-chamber of the outer pressure boost of fourth.

In at least one embodiment, the metal shell comprises a bottom plate 11, a side wall 12 is arranged on the outer side of the bottom plate, a top plate 13 is arranged on the top of the side wall, and the bottom plate, the side wall and the top together surround the built-in cavity.

In cooperation with the above, the middle of the bottom plate is provided with a central hole 151, and the central hole is rotatably connected with a single-hole turntable 4. The single-hole turntable is provided with air holes 43, and the bottom plate 11 is provided with four air outlet holes 111 matched with the air holes. And the four air outlets respectively correspond to the first internal adjustment sub-cavity, the second internal adjustment sub-cavity, the third internal adjustment sub-cavity and the fourth internal adjustment sub-cavity.

The scheme refines, the haplopore carousel includes carousel 41, install pivot 42 on the carousel, the pivot is rotated and is connected in the centre bore.

The working mode is that air in an air path in the hydrogen fuel cell is pressurized by an air compressor and then enters an inner adjusting cavity S2 of the low-pressure pulse supercharger, meanwhile, excessive hydrogen in the hydrogen path is reacted by a galvanic pile and then enters an outer pressurizing cavity S1 of the low-pressure pulse supercharger through a hydrogen inlet after passing through a gas-water separator, the relative positions of air holes in a single-hole turntable and air outlet holes of four inner adjusting sub-cavities are continuously changed due to continuous rotation of the single-hole turntable, when two holes are overlapped, the air in the inner adjusting sub-cavity is discharged through the air outlet holes, the air pressure in the inner adjusting sub-cavity is minimum, the elastic deformation of an elastic drum membrane is minimum, the volume of the corresponding outer pressurizing sub-cavity is increased, the pressure of the outer pressurizing sub-cavity is reduced, and at the moment, the hydrogen enters the outer pressurizing sub-cavity due to the action of pressure difference; when the relative position of two holes does not coincide, the air discharge volume in the interior regulation subcavity intracavity is zero, the air constantly gets into the interior regulation subcavity by intake pipe 14, lead to the continuous increase of the interior regulation subcavity internal gas pressure, the elastic deformation that the elasticity tympanic membrane takes place, the increase of the interior regulation subcavity volume, the volume of outer pressure boost subcavity reduces, lead to the atmospheric pressure in the outer pressure boost subcavity to rise, the volume of outer pressure boost subcavity reduces, atmospheric pressure can increase, make hydrogen discharge by hydrogen export check valve, thereby realize the pressure boost to hydrogen. The method pressurizes hydrogen through deformation of the tympanic membrane, isolates the hydrogen, and can realize oil-free pressurization of the hydrogen.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

Claims

1. The low-voltage pulse supercharger is characterized by comprising a metal shell, wherein a built-in cavity is arranged in the metal shell, an elastic tympanic membrane is arranged in the built-in cavity and divides the built-in cavity into an outer supercharging cavity and an inner adjusting cavity, the inner adjusting cavity is communicated with an air inlet pipe and an air outlet hole, and the outer supercharging cavity is communicated with a hydrogen inlet pipe and a hydrogen outlet pipe.

2. The low-pressure pulse supercharger of claim 1, wherein the hydrogen gas inlet pipe is provided with an inlet pipe check valve; the hydrogen outlet pipe is provided with an outlet pipe one-way valve.

3. The low-pressure pulse supercharger of claim 1 or 2, wherein a cross separation plate is arranged in the built-in cavity, and the cross separation plate separates the built-in cavity into a first built-in sub-cavity, a second built-in sub-cavity, a third built-in sub-cavity and a fourth built-in sub-cavity.

4. The low-pressure pulse booster of claim 3 wherein the outer booster cavities include a first outer booster cavity, a second outer booster cavity, a third outer booster cavity, and a fourth outer booster cavity.

5. The low-pressure pulse booster of claim 4, wherein the elastic tympanic membrane divides the first inner subchamber into a first outer booster subchamber and a first inner conditioning subchamber; the elastic eardrum divides the second built-in sub-cavity into a second outer pressurizing sub-cavity and a second inner adjusting sub-cavity; the elastic eardrum divides the third built-in sub-cavity into a third outer pressurizing sub-cavity and a third inner adjusting sub-cavity; the elastic eardrum divides the fourth built-in sub-cavity into a fourth outer pressurizing sub-cavity and a fourth inner adjusting sub-cavity.

6. The low pressure pulse booster of claim 1 wherein the metal housing includes a bottom plate with side walls on the outside and a top plate on the top of the side walls, the bottom plate, side walls and top collectively surrounding an internal cavity.

7. The low-voltage pulse booster as claimed in claim 6, wherein the bottom plate has a central hole in the middle, a single-hole rotary plate is rotatably connected in the central hole, the single-hole rotary plate has air holes, and the bottom plate has four air outlets matching with the air holes.

8. The low pressure pulse booster of claim 7 wherein the single bore turntable comprises a turntable having a shaft mounted thereon, the shaft being rotatably connected within the central bore.