CN111969226A

CN111969226A - Heat recovery device for fuel cell

Info

Publication number: CN111969226A
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: 2020-11-20
Anticipated expiration: 2040-08-11
Also published as: CN111969226B

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; water storage chambers are arranged on two sides of the box body, an object bearing table is arranged in the box body, and height adjusting devices are arranged at four corners of the object bearing table; the height adjusting device comprises two sets of link mechanisms, and a door sealing device is arranged above the box body. The invention realizes the heat recovery function through air circulation and water circulation, and the access of the fuel cell is easier through the height adjusting device and the door sealing device; the device has simple structure and excellent heat recovery effect, and the final heat enters the water with high specific heat capacity, so that the device is extremely easy to be reutilized.

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 a fuel and an oxidant into electrical energy. Fuel and air are separately fed into the fuel cell and electricity is wonderfully produced. It is externally provided with positive and negative electrodes, electrolyte and the like, and is like a storage battery, but actually it cannot store electricity but is a power plant; it directly converts the chemical energy of fuel into electric energy, and does not pass through the combustion process, so that it is not limited by Carnot cycle. The installation site of the fuel cell is flexible; the fuel cell power station has small floor area and short construction period, and the power of the power station can be assembled by cell stacks according to the requirements, so that the fuel cell power station is very convenient; however, fuel cells often generate a large amount of heat during their use, which is also available energy, and if not processed, the heat not only reduces efficiency, but also the 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 to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a heat recovery device for a 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; water storage chambers are arranged on two sides of the box body, an object bearing table is arranged in the box body, and height adjusting devices are arranged at four corners of the object bearing table; the height adjusting device comprises two sets of link 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 formed above the water storage chamber, and water outlets are formed in three directions, far away from the box body, below the water storage chamber; the fan is placed on the top wall of the reservoir chamber, and a portion of the ventilation tube is disposed within the reservoir chamber.

As a further scheme of the invention: link mechanism includes the gear seat, gear seat fixed connection be in on the diapire of box, the gear seat is equipped with the gear, the gear with rotate between the gear seat and be connected, be equipped with the motor on the antetheca of box and the back wall, the output shaft of motor is connected on the center pin of one of them gear, two intermeshing between the gear.

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, the second connecting rod is 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: one side of the limiting seat close to the object bearing platform is provided with a limiting column, the limiting column is fixedly connected with the limiting seat, a limiting hole is formed in the position of the object bearing platform corresponding to the limiting column, and the limiting hole is matched with the limiting column; a sliding block is arranged on one side, away from the object bearing 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, corresponding to the sliding block, and the sliding block is connected in the sliding groove in a sliding mode; the limiting column and the object bearing platform are fixed with each other through a fixing bolt.

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: the invention realizes the heat recovery function through air circulation and water circulation, and the access of the fuel cell is easier through the height adjusting device and the door sealing device; the device has simple structure and excellent heat recovery effect, and the final heat enters the water with high specific heat capacity, so that the device is extremely easy to be reutilized.

Drawings

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

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

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

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

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

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

In the figure: 1-box body, 101-air inlet, 102-air outlet, 2-water storage chamber, 201-water outlet, 202-water inlet, 3-supporting pad, 4-ventilation pipe, 5-blower, 6-box cover, 7-hinge, 8-handle, 9-gear seat, 10-gear, 11-first connecting rod, 12-limiting frame, 13-pin shaft, 14-second connecting rod, 15-limiting seat, 16-sliding block, 17-object bearing platform, 18-limiting column, 19-fixing bolt and 20-motor.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present 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 merely illustrative of the invention and are not intended to limit 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 disposed below the box 1, an air outlet 102 is disposed 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 disposed between the ventilation pipes 4; the water storage chambers 22 are arranged on two sides of the box body 1, the water storage chambers 22 are fixedly connected with the side wall of the box body 1, a water inlet 202 is arranged above the water storage chambers 22, and water outlets 201 are arranged in three directions, far away from the box body 1, below the water storage chambers 22; 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 material bearing table 17 is arranged in the box body 1, and height adjusting devices are arranged at four corners of the material bearing table 17;

further, the height adjusting device comprises two sets of link mechanisms, each link mechanism comprises a gear seat 9, each gear seat 9 is fixedly connected to the bottom wall of the box body 1, each gear seat 9 is provided with a gear 10, the gears 10 are rotatably connected with the gear seats 9, the front wall and the rear wall of the box body 1 are provided with motors 20, the output shafts of the motors 20 are connected to the central shaft of one of the gears 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 object bearing 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 object bearing table 17, and the limiting hole is matched with the limiting column 18; a sliding block 16 is arranged on one side of the limiting seat 15, which is far away from the object bearing 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, which corresponds to the sliding block 16, and the sliding block 16 is connected in the sliding groove in a sliding manner; the limiting column 18 and the object bearing platform 17 are fixed with each other through a fixing bolt 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 the limiting seat 15 is lifted, the limiting seat 15 drives the object bearing table 17 to move up and down through the limiting column 18, the fuel cell is placed above the object bearing table 17, when the fuel cell generates heat, the fan 5 establishes air circulation inside 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 sent by the fuel cell is recovered.

Example 2

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

The working principle of the embodiment of the invention is as follows: different from embodiment 1, this embodiment has add the door sealing device for fuel cell's access is more convenient, in addition, the door sealing device is not totally enclosed structure, and gaseous accessible door sealing device business turn over box 1, thereby plays the effect of balanced box 1 internal gas pressure.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present 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 arranged below the box body (1), an air outlet (102) is arranged 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); water storage chambers (22) are arranged on two sides of the box body (1), an object bearing table (17) is arranged in the box body (1), and height adjusting devices are arranged at four corners of the object bearing table (17); the height adjusting device comprises two sets of link mechanisms, and a door sealing device is arranged above the box body (1).

2. The heat recovery device for the fuel cell according to claim 1, wherein the water storage chamber (22) is fixedly connected with the side wall of the tank body (1), a water inlet (202) is arranged above the water storage chamber (22), and water outlets (201) are arranged below the water storage chamber (22) in three directions away from the tank 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).

3. The heat recovery device for the fuel cell according to claim 2, wherein the link 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 rotatably connected with the gear seat (9), the front wall and the rear wall of the box body (1) are provided with a motor (20), an output shaft of the motor (20) is connected to a central shaft of one of the gears (10), and the two gears (10) are engaged with each other.

4. The heat recovery device for the fuel cell according to claim 3, wherein 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); spacing (12) top is equipped with second connecting rod (14), second connecting rod (14) fixed connection be in on spacing (12), spacing (12) top is equipped with spacing seat (15), spacing seat (15) with fixed connection between second connecting rod (14).

5. The heat recovery device for the fuel cell according to claim 4, wherein a position-limiting post (18) is arranged on one side of the position-limiting seat (15) close to the object-supporting platform (17), the position-limiting post (18) is fixedly connected with the position-limiting seat (15), a position-limiting hole is formed in the position of the object-supporting platform (17) corresponding to the position-limiting post (18), and the position-limiting hole is matched with the position-limiting post (18); a sliding block (16) is arranged on one side, away from the object bearing 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) corresponding to the sliding block (16), and the sliding block (16) is connected in the sliding groove in a sliding mode; the limiting column (18) and the object bearing platform (17) are fixed with each other through a fixing bolt (19).

6. The heat recovery device for the fuel cell according to any one of claims 1 to 5, wherein the door sealing device comprises a cover (6), a hinge (7) is arranged between the cover (6) and the case (1), and a handle (8) is arranged at the upper center of the cover (6).