CN212868503U

CN212868503U - Hydrogen fuel cell drainage device

Info

Publication number: CN212868503U
Application number: CN202020823893.0U
Authority: CN
Inventors: 于舟
Original assignee: Hangzhou Chenxing Agricultural Technology Co ltd
Current assignee: Hangzhou Chenxing Agricultural Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-04-02
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a hydrogen fuel cell technical field just discloses a hydrogen fuel cell drainage device, including hydrogen fuel cell, hydrogen fuel cell includes anodal, negative pole, advances oxygen end and advances hydrogen end, and one side lateral wall of hydrogen fuel cell has the header tank through the connecting pipe intercommunication, one side lateral wall intercommunication of header tank has the drain pipe, the perpendicular slide rail that sets up of inner wall fixedly connected with of header tank, the sliding surface of slide rail is connected with the sliding block that has the floater. This kind of hydrogen fuel cell drainage device, when the header tank takes place to rock outward or the base that the header tank bottom was placed has certain angle of inclination, the rubber buffer is laminated with the drain pipe mouth of pipe mutually by the action of gravity of sliding block all the time, and then has avoided the rubber buffer to leave the drain pipe mouth of pipe and has leaded to the condition of gas leakage.

Description

Hydrogen fuel cell drainage device

Technical Field

The utility model relates to a hydrogen fuel cell technical field specifically is a hydrogen fuel cell drainage device.

Background

A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electrical energy. The basic principle is the reverse reaction of electrolyzed water, hydrogen and oxygen are supplied to the anode and cathode respectively, and after the hydrogen diffuses out through the anode and reacts with the electrolyte, electrons are released to reach the cathode through an external load.

Chinese patent CN208142281U discloses a hydrogen fuel cell hydrogen recovery unit, including positive pole, negative pole, hydrogen entry, oxygen entry and outlet, the outlet is buckled and is connected downwards and the side has the open-ended cavity, the opening top articulated on the cavity have the axis of rotation, the axis of rotation tip is provided with the floater, be provided with the fork arm in the axis of rotation, be equipped with on the fork arm and be used for plugging up open-ended sealing plug, when the floater falls naturally the sealing plug is plugged up the opening, the floater highly be higher than the open-ended height. The hydrogen recovery device for the hydrogen fuel cell can prevent hydrogen from being discharged when water is discharged, so that the utilization rate of the hydrogen is increased, and the structure is simple.

However in this utility model, because when the header tank takes place to rock outside or the base that the header tank bottom was placed has certain angle of inclination, the axis of rotation can receive the effect of self gravity, drives the sealing plug and takes place the rotation of certain angle, makes the sealing plug leave the opening and leads to the condition of gas leakage from this, for this reason, we propose a hydrogen fuel cell hydrogen dehydrating unit and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a hydrogen fuel cell drainage device possesses when the header tank takes place to rock outward or the base that the header tank bottom was placed has certain angle of inclination, and the rubber buffer is laminated with the drain pipe mouth of pipe mutually by the action of gravity of sliding block all the time, and then has avoided the rubber buffer to leave the drain pipe mouth of pipe and has leaded to advantages such as the condition of gas leakage, has solved the problem that the background art provided.

(II) technical scheme

When the above-mentioned base that takes place to rock or the header tank bottom is placed when having certain angle of inclination when realizing the header tank outside, the rubber buffer is laminated with the drain pipe mouth of pipe mutually by the action of gravity of sliding block all the time, and then has avoided the rubber buffer to leave the purpose of the condition of drain pipe mouth of pipe and leading to gas leakage, the utility model provides a following technical scheme:

the utility model provides a hydrogen fuel cell drainage device, includes hydrogen fuel cell, hydrogen fuel cell includes positive pole, negative pole, advances oxygen end and hydrogen end, and one side lateral wall of hydrogen fuel cell has the header tank through the connecting pipe intercommunication, one side lateral wall intercommunication of header tank has the drain pipe, the perpendicular slide rail that sets up of inner wall fixedly connected with of header tank, the sliding surface of slide rail is connected with the sliding block that has the floater, and the sliding block is close to one side lateral wall fixedly connected with of header tank inner wall and the rubber buffer of mouth assorted in the drain pipe.

Preferably, the drain pipe is located the lower part setting of slide rail, the slide rail is the double track of arranging side by side, and the drain pipe is located and sets up between the double track of slide rail.

Preferably, one end of the sliding block, which is close to the sliding rail, is fixedly connected with a T-shaped sliding block, a T-shaped sliding groove matched with the sliding block is formed in the surface of the sliding rail, and the T-shaped sliding block is embedded in the T-shaped sliding groove in a sliding manner.

Preferably, the floating ball is connected with the sliding block through waterproof glue in a bonding mode.

Preferably, the size of rubber buffer is greater than the mouth of pipe internal diameter of drain pipe, and is less than the double track interval of slide rail simultaneously.

Preferably, the connecting pipe is of an L-shaped structure and is arranged at the upper end of the water collecting tank.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of hydrogen fuel cell drainage device, when the header tank takes place to rock outward or the base that the header tank bottom was placed has certain angle of inclination, the rubber buffer is laminated with the drain pipe mouth of pipe mutually by the action of gravity of sliding block all the time, and then has avoided the rubber buffer to leave the drain pipe mouth of pipe and has leaded to the condition of gas leakage.

2. This kind of hydrogen fuel cell drainage device, the one end fixedly connected with T type slider that the sliding block is close to the slide rail, and the surface of slide rail sets up the T type spout that matches with it, and T type slider slip inlays to be located and sets up in the T type spout, avoids taking place to slide between the two and breaks away from.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic view of the local top-view cross-sectional structure of the present invention.

In the figure: 1. a hydrogen fuel cell; 2. a positive electrode; 3. a negative electrode; 4. an oxygen inlet end; 5. a hydrogen inlet end; 6. a connecting pipe; 7. a water collection tank; 8. a drain pipe; 9. a slide rail; 10. a slider; 11. a floating ball; 12. a T-shaped slider; 13. and a rubber plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, a hydrogen fuel cell drainage device includes a hydrogen fuel cell 1, the hydrogen fuel cell 1 includes an anode 2, a cathode 3, an oxygen inlet 4 and a hydrogen inlet 5, and a side wall of the hydrogen fuel cell 1 is communicated with a water collection tank 7 through a connection pipe 6, the connection pipe 6 is in an L-shaped structure, the connection pipe 6 is disposed at an upper end of the water collection tank 7, so that hydrogen remaining in the water collection tank 7 can rise along the connection pipe 6 to recover the hydrogen, the side wall of the water collection tank 7 is communicated with a drainage pipe 8, the drainage pipe 8 is disposed at a lower portion of a slide rail 9, a gravity of a sliding block 10 is greater than a friction force between a rubber plug 13 and an inner wall of the water collection tank 7, so that the drainage pipe 8 can be blocked by the rubber plug 13 when the sliding block 10 slides to the lower portion of the slide rail 9 under the action of its own gravity, thereby closing of the, the drain pipe 8 is arranged between the double tracks of the slide rails 9, the inner wall of the water collecting tank 7 is fixedly connected with the slide rails 9 which are vertically arranged, the surface of the slide rails 9 is connected with a sliding block 10 with a floating ball 11 in a sliding way, the buoyancy force borne by the floating ball 11 when the floating ball 11 is completely immersed in water is larger than the sum of the gravity of the sliding block 10 and the friction force of a rubber plug 13 and the inner wall of the water collecting tank 7, when the water level rises to the floating ball 11, the sliding block 10 and the rubber plug 13 move upwards under the buoyancy effect of the floating ball 11, so that the drain pipe 8 is opened, the floating ball 11 is connected with the sliding block 10 through waterproof glue in an adhesive way, one end of the sliding block 10 close to the slide rails 9 is fixedly connected with a T-shaped slide block 12, the surface of the slide rails 9 is provided with a T-shaped slide groove matched with the T-shaped slide block 12, the T-shaped, the size of the rubber stopper 13 is larger than the inner diameter of the pipe opening of the drain pipe 8 and is smaller than the distance between the double rails of the slide rail 9.

The working principle is as follows: firstly, when an operator needs to discharge water in the hydrogen fuel cell 1, firstly, when the water level in the water collecting tank 7 is positioned below the floating ball 11, at this time, because the gravity of the sliding block 10 is greater than the friction force between the rubber plug 13 and the inner wall of the water collecting tank 7, the sliding block 10 slides to the lower part of the sliding rail 9 under the action of the self gravity, the drain pipe 8 is blocked by the rubber plug 13, and then the closing of the drain pipe 8 is realized, when the water level in the water collecting tank 7 is higher than the height of the floating ball 11, because the buoyancy force received when the floating ball 11 is completely immersed in the water is greater than the sum of the gravity of the sliding block 10 and the friction force between the rubber plug 13 and the inner wall of the water collecting tank 7, the sliding block 10 and the rubber plug 13 move upwards under the buoyancy action of the floating ball 11, and then the opening of the drain pipe 8 is realized, and when the water collecting tank 7 shakes or the base placed at, thereby avoiding the situation that the rubber plug 13 leaves the opening of the drain pipe 8 and causes gas leakage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydrogen fuel cell drainage device comprises a hydrogen fuel cell (1), wherein the hydrogen fuel cell (1) comprises an anode (2), a cathode (3), an oxygen inlet end (4) and a hydrogen inlet end (5), the side wall of one side of the hydrogen fuel cell (1) is communicated with a water collecting tank (7) through a connecting pipe (6), and the side wall of one side of the water collecting tank (7) is communicated with a drainage pipe (8);

the method is characterized in that:

the inner wall fixedly connected with of header tank (7) slide rail (9) of perpendicular setting, the surperficial sliding connection of slide rail (9) has sliding block (10) that have floater (11), and sliding block (10) be close to one side lateral wall fixedly connected with of header tank (7) inner wall and drain pipe (8) interior orifice assorted rubber buffer (13).

2. A hydrogen fuel cell drain device according to claim 1, characterized in that: the drain pipe (8) is arranged at the lower part of the slide rail (9), the slide rail (9) is a double-rail arranged in parallel, and the drain pipe (8) is arranged between the double-rails of the slide rail (9).

3. A hydrogen fuel cell drain device according to claim 1, characterized in that: one end fixedly connected with T type slider (12) that slider (10) are close to slide rail (9), and the surface of slide rail (9) sets up the T type spout that matches with it, T type slider (12) slip inlays and locates and set up in the T type spout.

4. A hydrogen fuel cell drain device according to claim 1, characterized in that: the floating ball (11) is connected with the sliding block (10) through waterproof glue in a bonding mode.

5. A hydrogen fuel cell drain device according to claim 2, characterized in that: the size of rubber buffer (13) is greater than the mouth of pipe internal diameter of drain pipe (8), and is less than the double track interval of slide rail (9) simultaneously.

6. A hydrogen fuel cell drain device according to claim 1, characterized in that: the connecting pipe (6) is of an L-shaped structure, and the connecting pipe (6) is arranged at the upper end of the water collecting tank (7).