CN111969226B

CN111969226B - Heat recovery device for fuel cell

Info

Publication number: CN111969226B
Application number: CN202010798477.4A
Authority: CN
Inventors: 彭军; 王荣奎
Original assignee: Shanghai Huaentropy Energy Technology Co ltd
Current assignee: Shanghai Huaentropy Energy Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2023-07-04
Anticipated expiration: 2040-08-11
Also published as: CN111969226A

Abstract

The invention relates to the field of fuel cell auxiliary equipment, and particularly discloses a heat recovery device for a fuel cell, which comprises a box body, wherein an air inlet is arranged below the box body, an air outlet is arranged above the box body, a ventilation pipe is connected between the air outlet and the air inlet, and a fan is arranged between the ventilation pipes; the two sides of the box body are provided with water storage chambers, a carrying table is arranged in the box body, and the four corners of the carrying table are provided with height adjusting devices; the height adjusting device comprises two sets of connecting rod mechanisms, and a door sealing device is arranged above the box body. According to the invention, the heat recovery function is realized through air circulation and water circulation, and the fuel cell is easier to access through the height adjusting device and the door sealing device; the device simple structure, heat recovery effect is splendid, and final heat enters into the water that specific heat is high, very easy reutilization.

Description

Heat recovery device for fuel cell

Technical Field

The invention relates to the field of fuel cell auxiliary equipment, in particular to a heat recovery device for a fuel cell.

Background

A fuel cell is a power generation device that directly converts chemical energy present in fuel and oxidant into electrical energy. Fuel and air are fed to the fuel cell separately and electricity is produced wonderfully. It has positive and negative electrodes and electrolyte from the appearance, like a battery, but it is essentially not "electric" but a "power plant"; it directly converts the chemical energy of fuel into electric energy without the middle of combustion process, so it is not limited by carnot cycle. The installation place of the fuel cell is flexible; the fuel cell power station has small occupied area, short construction period and very convenient power station power assembly by a cell stack according to the needs; however, during the use of the fuel cell, a large amount of heat is often generated, and this heat is actually available energy, if not treated, so that not only is the efficiency reduced, but also waste heat has a great influence on the equipment and the environment.

Disclosure of Invention

The present invention is directed to a heat recovery device for a fuel cell, which solves the above-mentioned problems of the related art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the heat recovery device for the fuel cell comprises a box body, wherein an air inlet is arranged below the box body, an air outlet is arranged above the box body, a ventilation pipe is connected between the air outlet and the air inlet, and a fan is arranged between the ventilation pipes; the two sides of the box body are provided with water storage chambers, a carrying table is arranged in the box body, and the four corners of the carrying table are provided with height adjusting devices; the height adjusting device comprises two sets of connecting rod mechanisms, and a door sealing device is arranged above the box body.

As a further scheme of the invention: the water storage chamber is fixedly connected with the side wall of the box body, a water inlet is arranged above the water storage chamber, and water outlets are arranged in three directions, far away from the box body, below the water storage chamber; the fan is placed on the top wall of the water storage chamber, and a part of the ventilation pipe is arranged in the water storage chamber.

As a further scheme of the invention: the connecting rod mechanism comprises a gear seat, the gear seat is fixedly connected to the bottom wall of the box body, the gear seat is provided with gears, the gears are connected with the gear seat in a rotating mode, motors are arranged on the front wall and the rear wall of the box body, an output shaft of each motor is connected to the central shaft of one gear, and the gears are meshed with each other.

As a further scheme of the invention: a first connecting rod is arranged above the gear, the first connecting rod is fixedly connected with the gear, a limiting frame is arranged above the first connecting rod, the top end of the first connecting rod is limited at the bottom end of the limiting frame, and a pin shaft is arranged between the top end of the first connecting rod and the bottom end of the limiting frame; the limiting frame is characterized in that a second connecting rod is arranged above the limiting frame and fixedly connected to the limiting frame, a limiting seat is arranged above the limiting frame, and the limiting seat is fixedly connected with the second connecting rod.

As a further scheme of the invention: a limiting column is arranged on one side, close to the object carrying table, of the limiting seat, the limiting column is fixedly connected with the limiting seat, a limiting hole is formed in the position, corresponding to the limiting column, of the object carrying table, and the limiting hole is matched with the limiting column; a sliding block is arranged on one side, far away from the object carrying table, of the limiting seat, the sliding block is fixedly connected with the limiting seat, a sliding groove is formed in the side wall of the box body at the position corresponding to the sliding block, and the sliding block is slidably connected in the sliding groove; the limiting columns and the object bearing table are mutually fixed through fixing bolts.

As a further scheme of the invention: the door sealing device comprises a box cover, a hinge is arranged between the box cover and the box body, and a handle is arranged at the center above the box cover.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the heat recovery function is realized through air circulation and water circulation, and the fuel cell is easier to access through the height adjusting device and the door sealing device; the device simple structure, heat recovery effect is splendid, and final heat enters into the water that specific heat is high, very easy reutilization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic view of a heat recovery device for a fuel cell.

Fig. 2 is a schematic plan view of a heat recovery device for a fuel cell.

Fig. 3 is a schematic view showing the highest position structure of the height adjusting means in the heat recovery device for a fuel cell.

Fig. 4 is a schematic view of the structure during the operation of the height adjusting device in the heat recovery device for a fuel cell.

Fig. 5 is a schematic plan view of a stopper seat in a heat recovery device for a fuel cell.

In the figure: the device comprises a 1-box body, a 101-air inlet, a 102-air outlet, a 2-water storage chamber, a 201-water outlet, a 202-water inlet, a 3-supporting pad, a 4-ventilation pipe, a 5-fan, a 6-box cover, 7-hinges, 8-handles, 9-gear seats, 10-gears, 11-first connecting rods, 12-limiting frames, 13-pin shafts, 14-second connecting rods, 15-limiting seats, 16-sliding blocks, 17-carrying platforms, 18-limiting columns, 19-fixing bolts and 20-motors.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Example 1

Referring to fig. 1-5, in an embodiment of the present invention, a heat recovery device for a fuel cell includes a box 1, an air inlet 101 is provided below the box 1, an air outlet 102 is provided above the box 1, a ventilation pipe 4 is connected between the air outlet 102 and the air inlet 101, and a fan 5 is provided between the ventilation pipes 4; the two sides of the box body 1 are provided with water storage chambers 22, the water storage chambers 22 are fixedly connected with the side walls of the box body 1, water inlets 202 are arranged above the water storage chambers 22, and water outlets 201 are arranged below the water storage chambers 22 in three directions away from the box body 1; the fan 5 is placed on the top wall of the water storage chamber 22, and a part of the ventilation pipe 4 is arranged in the water storage chamber 22; a carrying table 17 is arranged in the box body 1, and height adjusting devices are arranged at four corners of the carrying table 17;

further, the height adjusting device comprises two sets of link mechanisms, each link mechanism comprises a gear seat 9, the gear seats 9 are fixedly connected to the bottom wall of the box body 1, the gear seats 9 are provided with gears 10, the gears 10 are rotationally connected with the gear seats 9, motors 20 are arranged on the front wall and the rear wall of the box body 1, an output shaft of each motor 20 is connected to the central shaft of one gear 10, and the two gears 10 are meshed with each other; a first connecting rod 11 is arranged above the gear 10, the first connecting rod 11 is fixedly connected with the gear 10, a limiting frame 12 is arranged above the first connecting rod 11, the top end of the first connecting rod 11 is limited at the bottom end of the limiting frame 12, and a pin shaft 13 is arranged between the top end of the first connecting rod 11 and the bottom end of the limiting frame 12; a second connecting rod 14 is arranged above the limiting frame 12, the second connecting rod 14 is fixedly connected to the limiting frame 12, a limiting seat 15 is arranged above the limiting frame 12, and the limiting seat 15 is fixedly connected with the second connecting rod 14; a limiting post 18 is arranged on one side of the limiting seat 15, which is close to the object carrying table 17, the limiting post 18 is fixedly connected with the limiting seat 15, a limiting hole is formed in the position, corresponding to the limiting post 18, of the object carrying table 17, and the limiting hole is matched with the limiting post 18; a sliding block 16 is arranged on one side of the limiting seat 15 away from the object carrying table 17, the sliding block 16 is fixedly connected with the limiting seat 15, a sliding groove is formed in the side wall of the box body 1 at a position corresponding to the sliding block 16, and the sliding block 16 is slidably connected in the sliding groove; the limiting posts 18 and the carrying table 17 are mutually fixed through fixing bolts 19.

The working principle of the embodiment of the invention is as follows: the motor 20 drives the gear 10 to rotate, the gear 10 drives the first connecting rod 11 to rotate, the first connecting rod 11 drives the limiting frame 12 to rotate through the pin shaft 13, the limiting seat 15 is limited in a sliding groove on the box body 1 through the sliding block 16, the first connecting rod 11, the limiting frame 12 and the limiting seat 15 form a crank sliding block mechanism, so that lifting of the limiting seat 15 is realized, the limiting seat 15 drives the carrying table 17 to move up and down through the limiting column 18, the fuel cell is placed above the carrying table 17, when the fuel cell generates heat, the fan 5 establishes air circulation in the box body 1, the water storage chamber 22 can be externally connected with a water pump, then water circulation is established, and at the moment, extra heat emitted by the fuel cell is recovered.

Example 2

Referring to fig. 1, unlike embodiment 1, in the embodiment of the present invention, a door sealing device is disposed above the case 1, the door sealing device includes a case cover 6, a hinge 7 is disposed between the case cover 6 and the case 1, and a handle 8 is disposed in the center above the case cover 6.

The working principle of the embodiment of the invention is as follows: unlike embodiment 1, this embodiment adds a door sealing device to make the access of the fuel cell more convenient, and in addition, the door sealing device is not a completely closed structure, and gas can enter and exit the case 1 through the door sealing device, so as to play a role in balancing the gas pressure in the case 1.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. The heat recovery device for the fuel cell is characterized by comprising a box body (1), wherein an air inlet (101) is formed below the box body (1), an air outlet (102) is formed above the box body (1), a ventilation pipe (4) is connected between the air outlet (102) and the air inlet (101), and a fan (5) is arranged between the ventilation pipes (4); the two sides of the box body (1) are provided with water storage chambers (22), the box body (1) is internally provided with a carrying table (17), and the four corners of the carrying table (17) are provided with height adjusting devices; the height adjusting device comprises two sets of connecting rod mechanisms, and a door sealing device is arranged above the box body (1);

the water storage chamber (22) is fixedly connected with the side wall of the box body (1), a water inlet (202) is arranged above the water storage chamber (22), and water outlets (201) are arranged in three directions, far away from the box body (1), below the water storage chamber (22); the fan (5) is arranged on the top wall of the water storage chamber (22), and a part of the ventilation pipe (4) is arranged in the water storage chamber (22);

the connecting rod mechanism comprises a gear seat (9), the gear seat (9) is fixedly connected to the bottom wall of the box body (1), the gear seat (9) is provided with a gear (10), the gear (10) is rotationally connected with the gear seat (9), motors (20) are arranged on the front wall and the rear wall of the box body (1), an output shaft of each motor (20) is connected to the central shaft of one gear (10), and the two gears (10) are meshed with each other;

a first connecting rod (11) is arranged above the gear (10), the first connecting rod (11) is fixedly connected with the gear (10), a limiting frame (12) is arranged above the first connecting rod (11), the top end of the first connecting rod (11) is limited at the bottom end of the limiting frame (12), and a pin shaft (13) is arranged between the top end of the first connecting rod (11) and the bottom end of the limiting frame (12); a second connecting rod (14) is arranged above the limiting frame (12), the second connecting rod (14) is fixedly connected to the limiting frame (12), a limiting seat (15) is arranged above the limiting frame (12), and the limiting seat (15) is fixedly connected with the second connecting rod (14);

a limiting column (18) is arranged on one side, close to the carrying table (17), of the limiting seat (15), the limiting column (18) is fixedly connected with the limiting seat (15), a limiting hole is formed in the position, corresponding to the limiting column (18), of the carrying table (17), and the limiting hole is matched with the limiting column (18); a sliding block (16) is arranged on one side, far away from the carrying table (17), of the limiting seat (15), the sliding block (16) is fixedly connected with the limiting seat (15), a sliding groove is formed in the side wall of the box body (1) at the position corresponding to the sliding block (16), and the sliding block (16) is slidably connected in the sliding groove; the limiting columns (18) and the carrying table (17) are mutually fixed through fixing bolts (19).

2. The heat recovery device for a fuel cell according to claim 1, wherein the door closing device comprises a case cover (6), a hinge (7) is provided between the case cover (6) and the case body (1), and a handle (8) is provided at the center above the case cover (6).