CN213459810U

CN213459810U - Temperature control device of fuel cell pack

Info

Publication number: CN213459810U
Application number: CN202022417193.4U
Authority: CN
Inventors: 韩飞; 杨光敏; 姜光远
Original assignee: Changchun Normal University
Current assignee: Changchun Normal University
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-15
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to the technical field of temperature control devices, in particular to a temperature control device of a fuel cell set, which comprises a temperature control cylinder, wherein a vertically arranged first motor is fixedly arranged on the inner wall of the bottom end of the temperature control cylinder, an output shaft of the first motor is concentrically connected with a rotating rod, and the top end of the rotating rod is concentrically connected with a second gear; the upper part of the inner wall of the temperature control cylinder is fixedly provided with a plurality of groups of connecting belts, the bottom ends of the connecting belts are fixedly provided with a placing screen plate which is superposed with the axis line of the temperature control cylinder, and the bottom end of the placing screen plate is rotatably connected with a rotating plate. The utility model can effectively monitor the temperature of the bottom surface and the side surface of the fuel battery pack in real time through the temperature sensor in the using process, thereby facilitating the subsequent heat dissipation work; and the fuel cell stack can be subjected to timely heat dissipation treatment in the using process, so that the temperature is well reduced and controlled, heat accumulation is avoided, and the spontaneous combustion phenomenon is reduced.

Description

Temperature control device of fuel cell pack

Technical Field

The utility model relates to a temperature regulating device technical field especially relates to a fuel cell group's temperature regulating device.

Background

A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. It is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, fuel cells use fuel and oxygen as raw materials; meanwhile, no mechanical transmission part is arranged, so that no noise pollution is caused, and the discharged harmful gas is less. It follows that fuel cells are the most promising power generation technology from the viewpoint of energy conservation and ecological environment conservation.

However, because the fuel cell generates a large amount of heat during the use process, if the fuel cell is not subjected to timely temperature control treatment, the battery pack is easy to generate spontaneous combustion due to excessive heat accumulation during the use process, so that danger is caused, and the safety of lives and properties of users is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a temperature control device of a fuel cell set.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a temperature control device of a fuel cell pack comprises a temperature control cylinder, wherein a vertically arranged first motor is fixedly mounted on the inner wall of the bottom end of the temperature control cylinder, an output shaft of the first motor is concentrically connected with a rotating rod, and the top end of the rotating rod is concentrically connected with a second gear; a plurality of groups of connecting belts are fixedly arranged on the upper part of the inner wall of the temperature control cylinder, a placing screen plate which is superposed with the axis of the temperature control cylinder is fixedly arranged at the bottom end of the connecting belts, a rotating plate is rotatably connected to the bottom end of the placing screen plate, and a first gear which is meshed with a second gear is embedded in the bottom end of the rotating plate; the inner wall of the temperature control cylinder is provided with an annular chute at the equal height position with the rotating plate, and the annular chute is connected with a side heat dissipation mechanism through a guide block in a sliding manner.

Preferably, the side heat dissipation mechanism is located below the connecting band, and the side heat dissipation mechanism includes an L-shaped sliding plate, and a second motor having an output shaft pointing to the horizontal direction is fixedly mounted on one side of a vertical support arm of the L-shaped sliding plate.

Preferably, the rotating fan blades are fixedly mounted at one end of the output shaft of the second motor and on the outer side of the middle of the rotating rod.

Preferably, a connecting rod is fixedly connected between one end of the horizontal support arm of the L-shaped sliding plate and the rotating plate.

Preferably, the top center and the edge of the placing screen plate are both provided with a plurality of temperature sensors, and the lower part of the inner wall of the temperature control cylinder is fixedly provided with a single chip microcomputer electrically connected with the temperature control cylinder.

Preferably, the single chip microcomputer is electrically connected with the first motor and the second motor.

The utility model has the advantages that:

1. during the use process, the temperature sensor can effectively monitor the temperature of the bottom surface and the side surface of the fuel cell pack in real time, so that the subsequent heat dissipation work is facilitated;

2. through the arrangement of the first gear, the second gear, the rotating plate, the connecting rod, the side heat dissipation mechanism, the first motor and the rotating fan blades, the fuel cell pack can be subjected to heat dissipation treatment in time in the using process, so that the temperature is well controlled and reduced, heat accumulation is avoided, and the spontaneous combustion phenomenon is reduced.

Drawings

Fig. 1 is a schematic front sectional view of a temperature control device of a fuel cell stack according to the present invention;

fig. 2 is a schematic top view of a temperature control device of a fuel cell stack according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the temperature control device comprises a temperature control cylinder 1, a temperature sensor 2, a placing screen plate 3, a connecting belt 4, a side heat dissipation mechanism 5, a connecting plate 6, a first motor 7, rotating fan blades 8, a connecting rod 9, a single chip microcomputer 10, an L-shaped sliding plate 11, a second motor 12, a rotating plate 13, a first gear 14, a rotating rod 15 and a second gear 16.

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.

Referring to fig. 1-3, a temperature control device of a fuel cell stack comprises a temperature control cylinder 1, wherein a vertically arranged first motor 7 is fixedly installed on the inner wall of the bottom end of the temperature control cylinder 1, an output shaft of the first motor 7 is concentrically connected with a rotating rod 15, and the top end of the rotating rod 15 is concentrically connected with a second gear 16; a plurality of groups of connecting belts 4 are fixedly arranged on the upper part of the inner wall of the temperature control cylinder 1, a placing screen plate 3 which is superposed with the axial lead of the temperature control cylinder 1 is fixedly arranged at the bottom end of the connecting belts 4, a rotating plate 13 is rotatably connected to the bottom end of the placing screen plate 3, and a first gear 14 which is meshed with a second gear 16 is embedded in the bottom end of the rotating plate 13; the inner wall of the temperature control cylinder 1 is provided with an annular chute at the same height as the rotating plate 13, and the annular chute is connected with a side heat dissipation mechanism 5 in a sliding way through a guide block.

Further, the side heat dissipation mechanism 5 is located below the connecting band 4, and the side heat dissipation mechanism 5 includes an L-shaped sliding plate 11, a second motor 12 having an output shaft pointing to the horizontal direction is fixedly mounted on one side of a vertical support arm of the L-shaped sliding plate 11, and rotating blades 8 are fixedly mounted on one end of the output shaft of the second motor 12 and the outer side of the middle portion of the rotating rod 15, so that heat dissipation is performed from the side and the bottom.

Specifically, a connecting rod 9 is fixedly connected between one end of a horizontal support arm of the L-shaped sliding plate 11 and the rotating plate 13, so as to drive the side heat dissipation mechanism 5 to perform circumferential motion, thereby realizing comprehensive side heat dissipation.

Further, the top center and the edge of placing otter board 3 all are equipped with a plurality of temperature sensor 2, and the inner wall lower part fixed mounting of accuse temperature section of thick bamboo 1 rather than electric connection's singlechip 10, singlechip 10 and first motor 7 and second motor 12 electric connection to make the accuse temperature effect obtain better automated control, improve the control by temperature change effect.

The working process is as follows: firstly, a fuel cell pack is placed on a placing screen plate 3, in the using process of the fuel cell pack, if heat accumulation is generated, the temperature of the fuel cell pack rises, at the moment, a temperature sensor 2 senses temperature change, when the temperature rises to a preset temperature line, at the moment, a single chip microcomputer 10 controls a first motor 7 and a second motor 12 to work through electric signals, when the first motor 7 works, a rotating rod 15 rotates, and then a rotating fan blade 8 and a second gear 16 on the outer side of the rotating rod 15 rotate, and when the rotating fan blade 8 on the outer side of the rotating rod 15 rotates, the rotating rod can perform heat dissipation treatment on the fuel cell pack from the lower part of the fuel cell pack;

meanwhile, the second gear 16 drives the first gear 14 to rotate, so that the rotating plate 13 rotates, the connecting rod 9 and the side heat dissipation mechanism 5 are driven to rotate along the annular sliding groove, the side heat dissipation mechanism 5 rotates, the second motor 12 works, the rotating fan blades 8 connected with the second motor rotate, heat dissipation treatment is performed on the fuel cell pack from the side face of the fuel cell pack, after the temperature sensed by the temperature sensor 2 is lower than a preset temperature line, the first motor 7 and the second motor 12 can stop working, and the temperature control effect on the fuel cell pack in the working state is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A temperature control device of a fuel cell stack comprises a temperature control barrel (1) and is characterized in that a vertically arranged first motor (7) is fixedly installed on the inner wall of the bottom end of the temperature control barrel (1), an output shaft of the first motor (7) is concentrically connected with a rotating rod (15), and the top end of the rotating rod (15) is concentrically connected with a second gear (16);

a plurality of groups of connecting belts (4) are fixedly arranged on the upper part of the inner wall of the temperature control cylinder (1), a placing screen plate (3) which is superposed with the axial lead of the temperature control cylinder (1) is fixedly arranged at the bottom end of each connecting belt (4), a rotating plate (13) is rotatably connected at the bottom end of each placing screen plate (3), and a first gear (14) which is meshed with a second gear (16) is embedded at the bottom end of each rotating plate (13);

the inner wall of the temperature control cylinder (1) is provided with an annular chute at the same height as the rotating plate (13), and the annular chute is connected with a side heat dissipation mechanism (5) in a sliding way through a guide block.

2. The temperature control device of a fuel cell stack according to claim 1, wherein the side heat dissipation mechanism (5) is located below the connection belt (4), and the side heat dissipation mechanism (5) comprises an L-shaped sliding plate (11), and a second motor (12) having an output shaft pointing to the horizontal direction is fixedly mounted on one side of a vertical arm of the L-shaped sliding plate (11).

3. The temperature control device of a fuel cell stack according to claim 2, wherein one end of the output shaft of the second motor (12) and the outer side of the middle part of the rotating rod (15) are fixedly provided with rotating fan blades (8).

4. A temperature control device of a fuel cell stack according to claim 2, wherein a connecting rod (9) is fixedly connected between one end of the horizontal arm of the L-shaped sliding plate (11) and the rotating plate (13).

5. The temperature control device of the fuel cell pack according to claim 1, wherein the top center and the edge of the placing screen (3) are provided with a plurality of temperature sensors (2), and the lower part of the inner wall of the temperature control cylinder (1) is fixedly provided with a singlechip (10) electrically connected with the temperature control cylinder.

6. The temperature control device of a fuel cell stack according to claim 5, wherein the single chip microcomputer (10) is electrically connected with the first motor (7) and the second motor (12).