CN218513491U

CN218513491U - Gas fan and direct methanol fuel cell

Info

Publication number: CN218513491U
Application number: CN202222267488.7U
Authority: CN
Inventors: 刘绍华; 范超颖
Original assignee: Suzhou Ogawa New Energy Co ltd
Current assignee: Suzhou Ogawa New Energy Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-21
Anticipated expiration: 2032-08-26

Abstract

The utility model provides a gas fan and direct methanol fuel cell, including the motor, with the casing of the shell looks fixed connection of motor still include with the output shaft coaxial coupling's of motor wind channel ring cover, the wind channel ring cover round the output shaft rotates the setting, the casing cover is located on the wind channel ring cover, the air intake has been seted up at wind channel ring cover middle part, the wind channel ring cover including the ring cover body, a plurality of even along the wind channel pole of the inboard circumferencial direction spiral distribution of ring cover body, adjacent two form the wind channel between the wind channel pole. Through rotatory wind channel ring cover, provide the wind pressure, wind channel pole along circumferencial direction spiral distribution in the wind channel ring cover for the air-out is more stable, and the air intake is big, and the wind pressure that provides is great, can blow away the water that generates in the galvanic pile, has improved the life of battery.

Description

Gas fan and direct methanol fuel cell

Technical Field

The utility model relates to a gas fan and direct methanol fuel cell.

Background

New energy technologies are increasingly being used in current applications. Fuel cell technology is increasingly being used as one of clean new energy technologies, and a blower is a key component of fuel cells.

In the prior art, the fan includes the casing, install the fan wheel that can rotate in the casing, maintain certain axial clearance between the inner wall of fan wheel and casing, this axial clearance communicates with each other with the gas inlet and the gas outlet that form in the casing, thereby under fan wheel's rotatory effect, gaseous by the entry inhale and through the clearance from the export discharge, but realize breathing in through this kind of clearance and give vent to anger, its air-out is unstable, and the wind pressure is little, can produce water in the methanol fuel cell use, the wind pressure can be too little can make the water that produces stay in the pile, influence the generating capacity of battery, reduce battery life.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a gas fan.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a gas fan, including the motor, with the shell of the shell looks fixed connection of motor, still include with the output shaft coaxial coupling's of motor wind channel ring cover, wind channel ring cover round the output shaft rotates the setting, the shell cover is located wind channel ring covers, the air intake has been seted up at wind channel ring cover middle part, wind channel ring cover is including ring cover body, a plurality of even along wind channel pole that the inboard circumferencial direction spiral of ring cover body distributes, adjacent two form the wind channel between the wind channel pole. Through rotatory wind channel ring cover, provide the wind pressure, wind channel pole in the wind channel ring cover distributes along circumferencial direction spiral for the air-out is more stable, and the air intake is big, and the wind pressure that provides is great, can blow away the water that generates in the electric pile, has improved the life of battery.

Preferably, the inner end parts of the plurality of air duct rods protrude from the edge of the air inlet and protrude towards the center of the air duct ring cover.

Preferably, the distance between two adjacent air duct rods gradually decreases from the outer edge of the air duct annular cover to the inside, and the air duct gradually narrows from the outer edge of the air duct annular cover to the inside. The air outlet is more stable, and the air pressure is large.

Preferably, an installation frame is fixed on an output shaft of the motor, and the air duct annular cover is fixed on the installation frame in a covering mode. So that the air duct ring cover and the output shaft rotate coaxially.

Preferably, be provided with on the mounting bracket a plurality of with a plurality of wind channel pole matched with installation pole, the installation has been seted up the mounting groove on the pole, be provided with on the wind channel pole with mounting groove matched with sand grip. Make air duct pole and mounting bracket sealed fixed, prevent that the fan from leaking out, the air-out is more stable.

The to-be-solved technical problem of the utility model is to provide a direct methanol fuel cell.

In order to solve the technical problem, the utility model discloses a technical scheme be: a direct methanol fuel cell comprises a main body frame with an assembly space, a galvanic pile assembly arranged in the main body frame, a material supply system and a heat dissipation system, wherein the material supply system comprises a liquid mixing barrel, a methanol pump used for pumping outside methanol solution into the liquid mixing barrel, and a liquid mixing pump used for pumping methanol solution in the liquid mixing barrel into the galvanic pile assembly, and the material supply system further comprises a gas fan.

Preferably, the top end part of the junction between the shell of the motor of the gas fan and the shell is provided with an air port, and the air port is over against a pipeline port of a pipeline communicated with the pile component.

Preferably, the air port is communicated with the air duct.

The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: 1. the utility model provides wind pressure by rotating the wind channel annular cover, the wind channel rods in the wind channel annular cover are spirally distributed along the circumferential direction, so that the wind outlet is more stable, the wind inlet is large, the provided wind pressure is large, the water generated in the electric pile can be blown out, and the service life of the battery is prolonged; 2. the distance between two adjacent air duct rods is gradually reduced from the outer edge of the air duct ring cover to the inside, and the air duct is gradually reduced from the outer edge of the air duct ring cover to the inside. The air outlet is more stable, and the air pressure is large; 3. an output shaft of the motor is fixedly provided with a mounting frame, and an air duct annular cover is covered and fixed on the mounting frame, so that the air duct annular cover and the output shaft rotate coaxially; 4. be provided with a plurality of and a plurality of wind channel pole matched with installation pole on the mounting bracket, seted up the mounting groove on the installation pole, be provided with on the wind channel pole with mounting groove matched with sand grip for the wind channel pole is sealed fixed with the mounting bracket, prevents that the fan from leaking out, and the air-out is more stable.

Drawings

FIG. 1 is a schematic view of an air duct shroud;

FIG. 2 is a schematic plan view of the duct ring cover;

FIG. 3 is a schematic diagram of a direct methanol fuel cell;

FIG. 4 is a schematic cross-sectional view of a direct methanol fuel cell;

wherein 10, the motor; 11. an output shaft; 12. a mounting frame; 20. a housing; 30. an air duct annular cover; 31. an air inlet; 32. a ring cage body; 33. an air duct pole; 34. an air duct; 35. a convex strip; 4. a stack assembly; 5. a liquid mixing barrel; 6. a heat dissipation system.

Detailed Description

As shown in each figure, the air blower comprises a motor 10, a housing 20 fixedly connected with a housing of the motor 10, and further comprises an air duct ring cover 30 coaxially connected with an output shaft 11 of the motor 10, the air duct ring cover 30 is rotatably arranged around the output shaft 11, the housing 20 covers the air duct ring cover 30, an air inlet 31 is formed in the middle of the air duct ring cover 30, the air duct ring cover 30 comprises a ring cover body 32, a plurality of air duct rods 33 uniformly and spirally distributed along the circumferential direction of the inner side of the ring cover body 32, an air duct 34 is formed between every two adjacent air duct rods 33, the distance between every two adjacent air duct rods 33 is gradually reduced from the outer edge of the air duct ring cover 30 to the inside, and the air duct 34 is gradually reduced from the outer edge of the air duct ring cover 30 to the inside, so that the air outlet is more stable and the air pressure is large.

The utility model discloses a rotatory wind channel ring cover provides the wind pressure, and the wind channel pole in the wind channel ring cover distributes along the circumferencial direction spiral for the air-out is more stable, and the air intake is big, and the wind pressure that provides is great, can blow away the water that generates in the electric pile, has improved the life of battery.

As shown in fig. 2, the inner ends of the plurality of air duct bars 33 protrude from the edge of the air inlet 31 toward the center of the air duct ring cover 30.

An installation frame 12 is fixed on an output shaft 11 of the motor 10, and an air duct ring cover 30 is covered and fixed on the installation frame 12, so that the air duct ring cover and the output shaft rotate coaxially.

A plurality of mounting rods matched with the air duct rods 33 are arranged on the mounting frame 12, mounting grooves are formed in the mounting rods, and protruding strips 35 matched with the mounting grooves are arranged on the air duct rods 33. The air duct rod and the mounting frame are sealed and fixed, air leakage of the fan is prevented, and air outlet is more stable.

The direct methanol fuel cell shown in fig. 3-4 comprises a main frame with an assembly space, a stack assembly 4 arranged in the main frame, a material supply system and a heat dissipation system 6, wherein the material supply system comprises a liquid mixing barrel 5, a methanol pump for pumping outside methanol solution into the liquid mixing barrel 5, a liquid mixing pump for pumping methanol solution in the liquid mixing barrel 5 into the stack assembly 4, and the material supply system further comprises the gas fan.

The top end part of the junction of the shell of the motor 10 of the gas fan and the shell 20 is provided with an air port, the air port is over against the pipeline port of the pipeline 7 communicated with the pile component 4, and the air port is communicated with an air channel 34.

In the direct methanol fuel cell, need to react to the input air in the pile, the air is more, the oxygen volume wherein is more, reaction rate is faster and the reaction is more abundant, methyl alcohol can not be wasted, admit air as the passageway through the clearance usually among the prior art, the air intake speed is slow, and the dust in the air can block up the passageway thereby the intake instability, reaction rate is slow to react inadequately, in this scheme, the air gets into the wind channel from the air inlet, outwards from the air inlet, the wind channel widens gradually, make the air can be stable the admission pipe in carry to the pile in, and spiral overall arrangement, make the wind channel longer, the space is great, the air input grow, and the passageway is difficult for blockking up, such fan volume is also less, be applicable to miniature methanol fuel cell, methanol fuel cell can produce water in reaction process simultaneously, and some excessive gas also can be discharged from the fan, the fan is great can blow off steam, can not the wind pressure is detained in the battery, influence the electricity generation.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a gas fan, including motor (10), with casing (20) of motor (10) shell looks fixed connection, its characterized in that: still include with output shaft (11) coaxial coupling's of motor (10) wind channel ring cover (30), wind channel ring cover (30) round output shaft (11) rotate the setting, casing (20) cover is located on wind channel ring cover (30), wind intake (31) have been seted up at wind channel ring cover (30) middle part, wind channel ring cover (30) are including ring cover body (32), a plurality of even along wind channel pole (33) that the circumferencial direction spiral of ring cover body (32) inboard distributes, adjacent two form wind channel (34) between wind channel pole (33).

2. The gas blower of claim 1, wherein: the inner end parts of the air duct rods (33) protrude out of the edge of the air inlet (31) and are arranged in a protruding mode towards the center of the air duct ring cover (30).

3. The gas blower of claim 1, wherein: the distance between two adjacent air duct rods (33) is gradually reduced from the outer edge of the air duct annular cover (30) to the inside, and the air duct (34) is gradually reduced from the outer edge of the air duct annular cover (30) to the inside.

4. The gas blower of claim 1, wherein: an installation frame (12) is fixed on an output shaft (11) of the motor (10), and the air duct ring cover (30) is covered and fixed on the installation frame (12).

5. The gas blower of claim 4, wherein: be provided with a plurality of and a plurality of on mounting bracket (12) wind channel pole (33) matched with installation pole, the mounting groove has been seted up on the installation pole, be provided with on wind channel pole (33) with mounting groove matched with sand grip (35).

6. A direct methanol fuel cell, characterized by: the fuel cell stack assembly comprises a main body frame with an assembly space, a cell stack assembly (4) arranged in the main body frame, a fuel supply system and a heat dissipation system (6), wherein the fuel supply system comprises a liquid mixing barrel (5), a methanol pump for driving outside methanol solution into the liquid mixing barrel (5), and a liquid mixing pump for driving the methanol solution in the liquid mixing barrel (5) into the cell stack assembly (4), and the fuel supply system further comprises a gas fan according to any one of claims 1-5.

7. The direct methanol fuel cell of claim 6 wherein: the top end part of the junction of the shell of the motor (10) of the gas fan and the shell (20) is provided with an air port, and the air port is over against the pipeline port of the pipeline (7) communicated with the pile component (4).

8. The direct methanol fuel cell of claim 7 wherein: the air opening is communicated with the air duct (34).