CN218530142U

CN218530142U - Air filter of hydrogen fuel cell

Info

Publication number: CN218530142U
Application number: CN202222633491.6U
Authority: CN
Inventors: 张诗野; 杨志勇
Original assignee: Fujian Snowman Hydrogen Technology Co ltd
Current assignee: Fujian Snowman Hydrogen Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-28
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to the technical field of air filters, in particular to an air filter of a hydrogen fuel cell, which comprises an upper shell, a lower shell and a filter element assembly, wherein the filter element assembly is positioned between the upper shell and the lower shell and respectively seals the opening of the upper shell and the opening of the lower shell; the filter element assembly is just positioned at the opening of the upper shell and the opening of the lower shell, so that the pipe diameters of an air inlet and an air outlet can be increased, the air input can be increased, and the flow resistance and pressure loss can be reduced on the premise of not changing the original size; the filter element component is respectively detachably connected with the upper shell and the lower shell, so that the filter element component can be conveniently dismounted and mounted.

Description

Air filter of hydrogen fuel cell

Technical Field

The utility model relates to an air cleaner technical field, in particular to hydrogen fuel cell's air cleaner.

Background

The existing air filter of the hydrogen fuel cell has two characteristics: 1. the air intake flow is limited by a single pipe diameter, and the air intake amount is limited; 2. single function, large volume and high space occupancy rate. Aiming at the two characteristics, the following solutions are mainly available in the market at present: firstly, the air input is improved by increasing the pipe diameter and reducing the resistance of the filter element; the second scheme is that the air filter is more compact in structure, larger in filter element filtering area and more convenient to arrange by optimizing the structural arrangement of the design; however, in the first scheme, the pipe diameter is increased, so that the overall pipeline layout is difficult, and the installation space is occupied; however, the solution is to increase the resistance of the filter element of the air filter, which reduces the air intake amount.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: the air filter of the hydrogen fuel cell can increase the pipe diameter of the air inlet and outlet, increase the air input and reduce the flow resistance pressure loss on the premise of not changing the original volume.

In order to solve the technical problem, the utility model discloses a technical scheme be:

the utility model provides a hydrogen fuel cell's air cleaner, includes casing, lower casing and filter element group spare, the filter element group spare is located between casing and the lower casing and seals the opening of last casing and the opening of casing down respectively, the slope of filter element group spare is placed under in the casing, filter element group spare respectively with last casing and casing releasable connection down, a side intercommunication of going up the casing has last trachea, a side intercommunication of casing has trachea down.

Furthermore, a branch air pipe is communicated with the other side surface of the lower shell.

Furthermore, a flow guide net is arranged at the joint of the upper shell and the upper air pipe.

Furthermore, a plurality of criss-cross first ribs are respectively arranged on the upper shell and the lower shell, and the first ribs form a net structure.

Furthermore, the upper air pipe is provided with a temperature and pressure integrated sensor and a gas flowmeter, and the temperature and pressure integrated sensor and the gas flowmeter are arranged oppositely.

Furthermore, go up the casing and be equipped with a plurality of second rib, a plurality of on the casing respectively with the lateral wall of the junction of filter element group spare down the second rib equidistant setting and be parallel to each other.

The beneficial effects of the utility model reside in that:

the filter element assembly is arranged between the upper shell and the lower shell and respectively seals the opening of the upper shell and the opening of the lower shell, and the filter element assembly is obliquely arranged in the lower shell, so that the filtering area can be increased, the heights of the upper shell and the lower shell can be reduced, and the space is reasonably utilized; the filter element assembly is just positioned at the opening of the upper shell and the opening of the lower shell, so that the pipe diameters of an air inlet and an air outlet can be increased, the air input can be increased, and the flow resistance and pressure loss can be reduced on the premise of not changing the original size; the filter element component is respectively detachably connected with the upper shell and the lower shell, so that the filter element component can be conveniently dismounted and mounted.

Drawings

Fig. 1 is a schematic structural view of an air filter of a hydrogen fuel cell according to the present invention;

fig. 2 is a cross-sectional view of an air filter for a hydrogen fuel cell according to the present invention;

fig. 3 is a schematic structural view of an upper case of an air filter of a hydrogen fuel cell according to the present invention;

fig. 4 is a schematic view showing the structure of a lower case of an air filter for a hydrogen fuel cell according to the present invention;

description of reference numerals:

1. an upper housing; 2. a lower housing; 3. a filter element assembly; 4. an upper trachea; 5. a lower trachea; 6. a branch air pipe; 7. a flow guide net; 8. a first rib; 9. a temperature and pressure integrated sensor; 10. a gas flow meter; 11. a second rib.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1, the technical solution provided by the present invention is:

From the above description, the beneficial effects of the present invention are:

the filter element assembly is arranged between the upper shell and the lower shell and respectively seals the opening of the upper shell and the opening of the lower shell, and the filter element assembly is obliquely arranged in the lower shell, so that the filtering area can be increased, the heights of the upper shell and the lower shell can be reduced, and the space is reasonably utilized; the filter element assembly is just positioned at the opening of the upper shell and the opening of the lower shell, so that the pipe diameters of an air inlet and an air outlet can be increased, the air input can be increased, and the flow resistance and pressure loss can be reduced on the premise of not changing the original size; the filter element assembly is detachably connected with the upper shell and the lower shell respectively, so that the filter element assembly can be conveniently disassembled and assembled.

As can be known from the description, the bypass air pipe is communicated with the other side face of the lower shell, so that the air inflow of air is increased, and on the other hand, when the inside of the electric pile works, the gas circulation is kept, namely when hydrogen leakage occurs, the leaked hydrogen can be discharged at the first time, and the leaked hydrogen is prevented from accumulating inside the electric pile to cause potential safety hazards.

As can be seen from the above description, the flow guide net is arranged at the joint of the upper shell and the upper air pipe, so that air at the exhaust end can be uniformly distributed, and the pressure stabilizing effect is achieved.

Furthermore, go up the casing and divide a plurality of vertically and horizontally staggered's first rib respectively with lower casing, a plurality of first rib forms network structure.

From the above description, through setting up first rib, can play gaseous water conservancy diversion and noise cancelling effect, reduce pressure loss and noise, increase overall structure intensity simultaneously.

From the above description, it can be known that the temperature and pressure integrated sensor and the gas flowmeter are arranged, so that the flow rate and the temperature and pressure of the electric pile inlet gas can be conveniently monitored.

As can be seen from the above description, the strength of the entire structure can be enhanced by providing the second beads.

Referring to fig. 1 to 4, a first embodiment of the present invention is:

referring to fig. 1 and 2, an air filter of a hydrogen fuel cell includes an upper housing 1, a lower housing 2 and a filter element assembly 3, the filter element assembly 3 is located between the upper housing 1 and the lower housing 2 and respectively seals an opening of the upper housing 1 and an opening of the lower housing 2, the filter element assembly 3 is obliquely placed in the lower housing 2, the filter element assembly 3 is respectively detachably connected with the upper housing 1 and the lower housing 2, an upper air pipe 4 is communicated with one side surface of the upper housing 1, and a lower air pipe 5 is communicated with one side surface of the lower housing 2.

Filter element group spare 3 is the filter core that can play filtering action among the prior art to the air, can fold by the physics filter layer and the chemical filter layer of laminating each other, connects fixed frame all around, and the upper portion edge realizes through the frame that the casing is sealed from top to bottom. The filter element assembly 3 adopts an inclined arrangement mode, and each layer of the filter layer is also longitudinally and obliquely folded so as to increase the contact filter area. The outer frame is adhered with the periphery of the filter element through hot melt adhesive, so that the integral strength of the filter element assembly 3 is improved, and the sealing purpose is achieved. The filter layer is obliquely folded, so that the filter area is increased, and the effects of noise reduction and noise reduction are achieved.

Referring to fig. 1 and 2, a branch air pipe 6 is connected to the other side surface of the lower casing 2, and when the electric pile works, a rear-end compressor provides suction to draw out air in the electric pile, and the air is filtered by the filter element assembly 3 and then circularly enters the electric pile for reuse. On the one hand, the air input of air has been increased in the setting of branch road trachea 6, and on the other hand for inside during operation of galvanic pile, keep gaseous circulation, when hydrogen reveals promptly, can the very first time discharge the hydrogen of revealing, and the hydrogen of avoiding revealing produces the potential safety hazard at the inside siltation of galvanic pile.

Referring to fig. 2 and 3, a flow guide net 7 is arranged at the joint of the upper shell 1 and the upper air pipe 4, and the air at the exhaust end is uniformly distributed by adopting a spiral positioning installation mode and utilizing a net structure, so that a pressure stabilizing effect is achieved.

Go up casing 1 and lower casing 2 and equally divide a plurality of vertically and horizontally staggered's first rib 8, a plurality of respectively first rib 8 forms network structure.

Referring to fig. 2, a temperature and pressure integrated sensor 9 and a gas flowmeter 10 are arranged on the upper gas pipe 4, and the temperature and pressure integrated sensor 9 and the gas flowmeter 10 are arranged opposite to each other.

Referring to fig. 1, 3 and 4, a plurality of second ribs 11 are disposed on the side walls of the joints of the upper casing 1 and the lower casing 2 with the filter element assembly 3, respectively, and the plurality of second ribs 11 are disposed at equal intervals and are parallel to each other.

The hydrogen fuel cell's of this scheme design air cleaner can realize under the condition that does not change original air cleaner volume, increases filter element group spare 3's filter area, reduces the circulation of gas pressure loss, and increase gas flow utilizes branch road trachea 6 simultaneously, keeps pile inside good air permeability, avoids hydrogen to reveal the siltation, causes the potential safety hazard.

To sum up, the utility model provides an air filter of hydrogen fuel cell, the filter element group spare that this scheme set up is located between upper casing and the lower casing and seals the opening of upper casing and the opening of lower casing respectively, and the filter element group spare inclines to be placed in the lower casing, can improve the filter area, and can reduce the height of upper casing and lower casing, rational utilization space; the filter element assembly is just positioned at the opening of the upper shell and the opening of the lower shell, so that the pipe diameters of an air inlet and an air outlet can be increased, the air inflow can be increased, and the flow resistance and pressure loss can be reduced on the premise of not changing the original size; the filter element assembly is detachably connected with the upper shell and the lower shell respectively, so that the filter element assembly can be conveniently disassembled and assembled.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a hydrogen fuel cell's air cleaner, its characterized in that, includes casing, lower casing and filter element group spare, the filter element group spare is located between casing and the lower casing and seals the opening of last casing and the opening of casing down respectively, the slope of filter element group spare is placed under in the casing, filter element group spare respectively with last casing and casing releasable connection down, a side intercommunication of going up the casing has last trachea, a side intercommunication of casing has trachea down.

2. The air filter for a hydrogen fuel cell according to claim 1, wherein a branch air pipe is connected to the other side surface of the lower case.

3. The air filter for a hydrogen fuel cell according to claim 1, wherein a flow guide net is provided at a junction of the upper case and the upper air pipe.

4. The air filter for a hydrogen fuel cell according to claim 1, wherein each of said upper and lower cases has a plurality of first ribs arranged in a crisscross pattern, respectively, and a plurality of said first ribs form a net-like structure.

5. The air filter for a hydrogen fuel cell according to claim 1, wherein a temperature and pressure integrated sensor and a gas flow meter are provided on the upper air pipe, and the temperature and pressure integrated sensor is provided opposite to the gas flow meter.

6. The air filter for a hydrogen fuel cell according to claim 1, wherein a plurality of second ribs are provided on a side wall of a joint of each of the upper and lower housings and the filter element assembly, and the plurality of second ribs are arranged at equal intervals and are parallel to each other.