CN211404642U - A hydrogen fuel cell with a protective structure - Google Patents

Abstract

The utility model discloses a hydrogen fuel cell with a protective structure, belonging to the technical field of fuel cells, comprising a battery body, a casing and a gas collecting cover. The left and right sides of the battery body are provided with through holes, and the through holes A casing is arranged inside, and the outer surface of the casing is evenly provided with a number of ventilation holes. The outer surface of the casing is sleeved with a rubber ring, and the outer surface of the rubber ring is fitted with the inner wall of the through hole. A baffle is arranged in the body, and the outer surface of the baffle is fixedly connected with the inner wall of the shell, and a ventilation pipe is clamped in the baffle, and the shape of the ventilation pipe is U-shaped. In the utility model, by arranging a casing, opening ventilation holes on the outer surface of the casing, and arranging a lime bag in the casing, the water vapor generated inside the battery body can be effectively adsorbed, and the condensation of water vapor inside the battery body can be avoided, and further Avoid conditions that cause corrosion and short circuits inside the fuel cell body.

Description

A hydrogen fuel cell with a protective structure

technical field

The utility model belongs to the technical field of fuel cells, in particular to a hydrogen fuel cell with a protective structure.

Background technique

A fuel cell is a power generation device that directly converts the chemical energy in the fuel and oxidant into electrical energy. The fuel and air are fed into the fuel cell respectively, and electricity is produced miraculously. Electrolyte, etc., like a battery, but in essence it cannot "storage electricity" but a "power plant".

According to the "Hydrogen Fuel Cell with Protective Structure" provided by the Chinese patent (Patent No.: CN201920423554.0), the patent improves the shock resistance of the battery and protects the battery. However, the existing hydrogen fuel cell is in the battery during operation. If the hydrogen content is too high, it will affect the work of the battery, and there will be water vapor condensation inside the battery when it is working. If the water vapor cannot be dissipated for a long time, it is easy to cause corrosion and short circuit inside the fuel cell.

Utility model content

The purpose of the utility model is to propose a hydrogen fuel cell with a protective structure in order to solve the problem that the hydrogen content in the battery is high and the water vapor is not easily dissipated.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A hydrogen fuel cell with a protective structure includes a battery body, a casing and a gas-gathering cover, the left and right sides of the battery body are provided with through holes, the through holes are provided with a casing, and the outer casing of the casing is provided with a casing. The surface is evenly provided with a number of ventilation holes, the outer surface of the casing is sleeved with a rubber ring, and the outer surface of the rubber ring is fitted with the inner wall of the through hole, the casing is provided with a partition, and the outer surface of the partition is The surface is fixedly connected with the inner wall of the casing, a ventilation pipe is clamped in the baffle, and the shape of the ventilation pipe is U-shaped, and both ends of the ventilation pipe pass through the upper surface of the casing, and the ventilation pipe is provided with two fans, and the fans are electrically connected with the external control switch, and the two fans are respectively located on the left and right sides of the partition;

The lower surface of the inner wall of the casing is fixedly connected with a circular tube, and the upper surface of the circular tube is evenly provided with a number of air injection holes, the outer surface of the circular tube is connected with two air ducts, and the two air ducts are symmetrically arranged , and the other end of the air duct is communicated with the end of the ventilation pipe located in the battery body, the upper surface of the inner wall of the battery body is fixedly connected with a gas collecting cover, and the top end of the gas collecting cover is connected with an exhaust pipe, and the exhaust pipe is The other end penetrates the upper surface of the battery body and extends to the outside of the battery body. The front side of the exhaust pipe is provided with an electric valve, and the electric valve is electrically connected with the external control switch.

As a further description of the above technical solution:

The shape of the casing is circular, and the casing is rotatably connected in the through hole.

As a further description of the above technical solution:

The casing is provided with a lime bag, the left and right sides of the casing are provided with feeding holes, and the left and right sides of the casing are provided with cover plates corresponding to the positions of the feeding holes.

As a further description of the above technical solution:

The left and right sides of the inner wall of the battery body are fixedly connected with a sliding sleeve through a fixing block, a sliding rod is sleeved in the sliding sleeve, and a permanent magnet and a clamping block are fixedly connected to the top and bottom ends of the sliding rod respectively. The outer surface of the sliding rod is sleeved with a spring, and the top and bottom ends of the spring are respectively fixedly connected with the lower surface of the permanent magnet and the upper surface of the sliding sleeve.

As a further description of the above technical solutions:

An electromagnet is adsorbed on the upper surface of the permanent magnet, and the electromagnet is electrically connected with the external control switch, and the upper surface of the electromagnet is fixedly connected with the inner wall of the battery body through a fixing plate.

As a further description of the above technical solution:

The upper surface of the casing is provided with two clamping grooves, and the two clamping grooves are respectively symmetrical to the left and right sides of the casing, and the positions of the clamping grooves correspond to the positions of the clamping blocks.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

1. In the present utility model, by arranging a casing, opening ventilation holes on the outer surface of the casing, and arranging a lime bag in the casing, the water vapor generated inside the battery body can be effectively absorbed, and the condensation of water vapor inside the battery body can be avoided. , so as to avoid corrosion and short circuit inside the fuel cell body.

2. In the present utility model, by arranging ventilation pipes, fans, air ducts and round pipes, the fan can suck in the cold air outside the battery body and transport it into the round pipes through the air ducts, so as to effectively dilute the air inside the battery body. At the same time, it can reduce the temperature inside the battery body to avoid affecting the operation of the battery body.

3. In the present utility model, by setting the gas-gathering hood and the exhaust pipe, the weight of the hydrogen gas is relatively light, so when air is introduced into the battery body, the hydrogen gas will move upward, and at the same time, under the action of the gas-gathering hood, it can be easily removed. The battery body is effectively discharged through the exhaust hood, thereby effectively reducing the hydrogen content in the battery body.

Description of drawings

1 is a schematic structural diagram of a hydrogen fuel cell with a protective structure proposed by the utility model;

FIG. 2 is a schematic cross-sectional structure diagram of a hydrogen fuel cell with a protective structure proposed by the utility model;

3 is a schematic cross-sectional structural schematic diagram of a front view of a casing in a hydrogen fuel cell with a protective structure proposed by the utility model;

FIG. 4 is an enlarged schematic structural diagram of a hydrogen fuel cell A with a protective structure proposed by the present invention.

illustration:

1. Battery body; 2. Exhaust pipe; 3. Electric valve; 4. Housing; 5. Gas collecting cover; 6. Rubber ring; 7. Electromagnet; 8. Permanent magnet; 9. Spring; 10. Sliding sleeve ;11, sliding rod; 12, clamping block; 13, card slot; 14, through hole; 15, air duct; 16, air jet hole; 17, round pipe; 18, ventilation pipe; 19, fan; 20, partition plate; 21. Feeding hole; 22. Cover plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present invention provides a technical solution: a hydrogen fuel cell with a protective structure, comprising a battery body 1, a casing 4 and a gas collecting cover 5, the left and right sides of the battery body 1 are Both are provided with through holes 14, and the through holes 14 are provided with a casing 4, and the outer surface of the casing 4 is evenly provided with a number of ventilation holes, the outer surface of the casing 4 is sleeved with a rubber ring 6, and the rubber The outer surface of the ring 6 is in contact with the inner wall of the through hole 14. By arranging the rubber ring 6, the rubber ring 6 can seal the gap between the casing 4 and the through hole 14 to prevent dust from entering the interior of the battery body 1 through the gap. The housing 4 is provided with a partition 20, and the outer surface of the partition 20 is fixedly connected with the inner wall of the housing 4. By setting the partition 20, the partition 20 can separate the two lime bales in the housing 4. To avoid that the lime bag on the outside is affected by the water vapor in the battery body 1 and cannot be switched for use, the separator 20 is clamped with a ventilation pipe 18, and the shape of the ventilation pipe 18 is U-shaped, and the two ends of the ventilation pipe 18 They all run through the upper surface of the casing 4. By setting the ventilation pipe 18, the ventilation pipe 18 can introduce and transport the outside air into the battery body 1. The ventilation pipe 18 is provided with two fans 19, and the fans 19 are connected to the outside. The control switch is electrically connected, and the two fans 19 are located on the left and right sides of the partition plate 20 respectively. By arranging the two fans 19, with the cooperation of the two fans 19, the external cold air can be more effectively delivered to the battery body 1, so as to effectively ventilate and cool the battery body 1;

The lower surface of the inner wall of the housing 4 is fixedly connected with a circular pipe 17, and the upper surface of the circular pipe 17 is evenly provided with a number of air jet holes 16. By setting the circular pipe 17 and the air jet holes 16, the circular pipe 17 can collect cold air, The cold air is evenly sprayed inside the casing 4 through a number of air injection holes 16. The outer surface of the circular pipe 17 is connected with two air pipes 15, and the two air pipes 15 are symmetrically arranged on the left and right, and the other side of the air pipe 15 is connected. One end is communicated with the end of the ventilation pipe 18 located in the battery body 1, the upper surface of the inner wall of the battery body 1 is fixedly connected with the gas collecting cover 5, and the top end of the gas collecting cover 5 is connected with the exhaust pipe 2, and the exhaust pipe 2 The other end of the exhaust pipe 2 penetrates the upper surface of the battery body 1 and extends to the outside of the battery body 1 . The front side of the exhaust pipe 2 is provided with an electric valve 3 , and the electric valve 3 is electrically connected to an external control switch.

Specifically, as shown in FIGS. 1-2 , the shape of the casing 4 is circular, and the casing 4 is rotatably connected in the through hole 14 ; by arranging the casing 4 , the casing 4 can be freely placed in the through hole 14 By rotating, the lime bales on both sides of the separator 20 can be placed inside the battery body 1 or outside the battery body 1 respectively, so as to facilitate switching and use and achieve better effects.

Specifically, as shown in FIG. 2 , the casing 4 is provided with a lime bag, the left and right sides of the casing 4 are provided with feeding holes 21 , and the left and right sides of the casing 4 correspond to the positions of the feeding holes 21 . Both are provided with a cover plate 22; by setting the lime bag, the water vapor generated inside the battery body 1 can be effectively adsorbed to avoid the condensation of water vapor inside the battery body 1. By setting the feeding hole 21 and the cover plate 22, workers can open the cover plate by opening the cover plate. 22 and take out the lime bag from the feeding hole 21, which is convenient for adding or taking out the lime bag in the shell 4.

Specifically, as shown in FIG. 2 and FIG. 4 , the left and right sides of the inner wall of the battery body 1 are fixedly connected with a sliding sleeve 10 through a fixing block. The sliding sleeve 10 is sleeved with a sliding rod 11 , and the sliding rod 11 The top and bottom ends are respectively fixedly connected with the permanent magnet 8 and the clamping block 12, the outer surface of the sliding rod 11 is sleeved with the spring 9, and the top and bottom ends of the spring 9 are respectively connected with the lower surface of the permanent magnet 8 and the sliding sleeve. The upper surface of 10 is fixedly connected; by arranging the sliding rod 11, the sliding sleeve 10 and the spring 9, the sliding rod 11 can move in the sliding sleeve 10, so that the stable mobility of the sliding rod 11 is better, and under the action of the spring 9 , the sliding rod 11 can move down stably and drive the clamping block 12 to be stuck in the clamping slot 13 stably.

Specifically, as shown in FIG. 2 and FIG. 4 , an electromagnet 7 is adsorbed on the upper surface of the permanent magnet 8, and the electromagnet 7 is electrically connected with an external control switch. The inner wall of the battery body 1 is fixedly connected; by arranging the electromagnet 7 and the permanent magnet 8, the electromagnet 7 can absorb the permanent magnet 8 when energized, so that the permanent magnet 8 can drive the sliding rod 11 to move upward, so that the block 12 is no longer stuck in the inside the card slot 13.

Specifically, as shown in FIG. 3 , the upper surface of the casing 4 is provided with two card slots 13 , and the two card slots 13 are respectively symmetrical to the left and right sides of the casing 4 , and the position of the card slots 13 is the same as that of the card block. The positions of 12 correspond to each other; by arranging the clamping block 12 and the clamping slot 13 , when the clamping block 12 is stuck in the clamping slot 13 , the housing 4 can be fixed and cannot be rotated.

Working principle: During use, if it is necessary to reduce the hydrogen content in the battery body 1 and cool the battery body 1, control the two fans 19 to work, and the fan 19 located outside the battery body 1 flows air into the ventilation pipe 18, and the air is The fan 19 inside the battery body 1 blows out, and is transported into the circular pipe 17 through the air duct 15. Finally, the air is evenly sprayed into the battery body 1 through a number of air injection holes 16. The hydrogen is affected and will move upward, while controlling the electric valve 3 Open, the hydrogen can be discharged from the inside of the battery body 1 through the exhaust pipe 2, and the water vapor generated inside the battery body 1 can be adsorbed by the lime bag through the ventilation holes to improve the dryness inside the battery body 1. If the adsorption effect of the lime bag decreases, The worker energizes the electromagnet 7, the electromagnet 7 attracts the permanent magnet 8, and at the same time the permanent magnet 8 drives the block 12 to move upward, the block 12 cannot be stuck in the card slot 13, and the worker rotates the shell 4 to give way to the lime bag on the outside Entering the battery body 1, the lime bag inside the battery body 1 moves to the outside of the casing 4, so that the drying effect in the casing 4 is restored again, and the lime bag moved to the outside can be naturally air-dried for repeated use, or Open the cover 22 to directly replace the lime bag.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A hydrogen fuel cell with a protection structure comprises a cell body (1), a shell (4) and a gas gathering cover (5), and is characterized in that through holes (14) are formed in the left side surface and the right side surface of the cell body (1), the shell (4) is arranged in the through holes (14), a plurality of vent holes are uniformly formed in the outer surface of the shell (4), a rubber ring (6) is sleeved on the outer surface of the shell (4), the outer surface of the rubber ring (6) is attached to the inner wall of the through holes (14), a partition plate (20) is arranged in the shell (4), the outer surface of the partition plate (20) is fixedly connected with the inner wall of the shell (4), a ventilation pipe (18) is clamped in the partition plate (20), the ventilation pipe (18) is U-shaped, two ends of the ventilation pipe (18) penetrate through the upper surface of the shell (4), and two fans (19) are arranged in the ventilation pipe (18), the fans (19) are electrically connected with the external control switch, and the two fans (19) are respectively positioned at the left side and the right side of the partition board (20);

the lower fixed surface of casing (4) inner wall is connected with pipe (17), and a plurality of fumarole (16) have evenly been seted up to the upper surface of pipe (17), the surface intercommunication of pipe (17) has two air ducts (15), and two air ducts (15) bilateral symmetry set up, and the other end of air duct (15) and the one end intercommunication that scavenge pipe (18) are located battery body (1), the last fixed surface of battery body (1) inner wall is connected with and gathers gas cover (5), and just gathers the top intercommunication of gas cover (5) and have blast pipe (2), and the other end of blast pipe (2) runs through the upper surface of battery body (1) and extends to the outside of battery body (1), the front of blast pipe (2) is provided with electric valve (3), and electric valve (3) and external control switch electric connection.

2. The hydrogen fuel cell with the protective structure according to claim 1, wherein the housing (4) is circular in shape, and the housing (4) is rotatably attached in the through-hole (14).

3. The hydrogen fuel cell with the protection structure according to claim 1, wherein a lime bag is arranged in the housing (4), feed holes (21) are formed in the left side and the right side of the housing (4), and cover plates (22) are arranged on the left side and the right side of the housing (4) corresponding to the positions of the feed holes (21).

4. The hydrogen fuel cell with the protection structure according to claim 1, wherein the left and right side surfaces of the inner wall of the cell body (1) are fixedly connected with sliding sleeves (10) through fixing blocks, sliding rods (11) are sleeved in the sliding sleeves (10), the top ends and the bottom ends of the sliding rods (11) are respectively and fixedly connected with permanent magnets (8) and clamping blocks (12), springs (9) are sleeved on the outer surfaces of the sliding rods (11), and the top ends and the bottom ends of the springs (9) are respectively and fixedly connected with the lower surfaces of the permanent magnets (8) and the upper surfaces of the sliding sleeves (10).

5. The hydrogen fuel cell with the protection structure according to claim 4, wherein the electromagnet (7) is adsorbed on the upper surface of the permanent magnet (8), the electromagnet (7) is electrically connected with an external control switch, and the upper surface of the electromagnet (7) is fixedly connected with the inner wall of the cell body (1) through a fixing plate.

6. The hydrogen fuel cell with the protection structure according to claim 4, wherein the upper surface of the housing (4) is provided with two clamping grooves (13), the two clamping grooves (13) are respectively symmetrical to the left side and the right side of the housing (4), and the positions of the clamping grooves (13) correspond to the positions of the clamping blocks (12).

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