CN205028955U - A shock -absorbing structure , fuel cell device and vehicle for fuel cell - Google Patents

Abstract

The utility model discloses a shock absorbing structure for a fuel cell, a fuel cell device and a vehicle. The shock absorbing structure for a fuel cell includes a bracket and a buffer member, wherein: the bracket is used to form a fixed support for the fuel cell stack, and has all the shock absorbers for buffering the fuel cell stack. The location of the cushioning member. The utility model has obvious damping effect and is beneficial to protect the fuel cell stack.

Description

A shock absorbing structure for fuel cell, fuel cell device and vehicle

technical field

The utility model relates to the technical field of vehicles, in particular to a shock absorbing structure for a fuel cell, a fuel cell device and a vehicle.

Background technique

As a new type of energy conversion device, fuel cell has been recognized by more and more people for its high efficiency, environmental protection, compactness and many other advantages. At present, fuel cells have been successfully applied to vehicles, and the technology is becoming more and more mature. However, in a vehicle environment, vibrations can easily have a very destructive effect on the fuel cell stack.

As shown in Fig. 1, for example: a kind of shock-absorbing structure is disclosed in the existing patent titled "A Power Supply Cabinet for Hydrogen Fuel Cells with Shock-absorbing Function", which is a 10cm The resilient pad 2'. Since there is no fixing device between the elastic pad 2' and the cabinet body 1', the stability is poor and the space taken up is large.

Therefore, it is desirable to have a technical solution to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.

Utility model content

The purpose of the present utility model is to provide a shock absorbing structure for a fuel cell, a fuel cell device and a vehicle to overcome or at least alleviate at least one of the above-mentioned defects in the prior art.

To achieve the above object, the utility model provides a shock absorbing structure for fuel cells, the shock absorbing structure for fuel cells includes a bracket and a buffer member, wherein: the bracket is used to form a fixed support for the fuel cell stack , and has a portion for accommodating the buffer member for buffering the shock received by the fuel cell stack.

Further, the bracket includes a support plate assembly and a support, wherein: the support plate assembly is arranged on the upper part of the support and extends outward in the horizontal direction relative to the support, forming the Describe the location where the buffer member is accommodated.

Further, the support plate assembly includes two support plates, the support is a U-shaped plate, and the two support plates are respectively arranged on the opening periphery of the U-shaped plate, and the two support plates There are at least three locations for accommodating the buffer member distributed between the bottom surface and the U-shaped plate.

Further, the shock absorbing structure for a fuel cell further includes a tank connection plate, the top of the buffer member is in contact with the bottom surface of the support plate assembly of the bracket, and the bottom surface is connected to the fuel cell box through the tank connection plate. fixed connection to the bottom plate.

Further, the support plate assembly includes four support plates, the support is a square barrel structure, and the four support plates are respectively arranged on the periphery of the opening of the square barrel structure, and the four support plates There are at least three locations for accommodating the buffer member distributed on the bottom surface.

Further, the support plate assembly includes an annular support plate, the support is a barrel structure, and the annular support plate is arranged on the periphery of the opening of the barrel structure, and the bottom surface of the annular support plate is distributed at least There are three positions for accommodating the buffer member.

A fuel cell device, including a fuel cell stack and a fuel cell box, the fuel cell device also includes the shock absorbing structure for the fuel cell described in the above embodiment, the fuel cell stack is seated on the The support in the shock absorbing structure of the fuel cell is fixedly connected with the support, and the box connecting plate used in the shock absorbing structure of the fuel cell is fixedly connected with the bottom plate of the fuel cell case.

Further, there is a gap in the vertical direction between the U-shaped plate in the shock absorbing structure for the fuel cell and the bottom plate of the fuel cell case.

Further, the bracket is detachably connected to the fuel cell stack.

The utility model also provides a vehicle, including a fuel cell device, and the fuel cell device is the above-mentioned fuel cell device.

Applying the technical solution provided by the utility model, in the vehicle environment, when the vehicle encounters shaking or vibration, the vibration energy is directly transmitted to the buffer member through the fuel cell box, and the buffer member absorbs a part of the vibration energy, and then transfers it to the bracket , after the rest of the vibration energy is dispersed by the bracket, it is transmitted to the fuel cell stack. At this time, the vibration energy transmitted to the fuel cell stack is energy that has been attenuated many times, and the impact of the vibration energy on the fuel cell stack is reduced. Therefore, the damping effect is obvious, which is beneficial to protect the fuel cell stack. In addition, the support can form a fixed support for the fuel cell stack, so it is beneficial to improve the stability of the fuel cell stack and reduce the impact of vibration on the fuel cell stack.

Description of drawings

Fig. 1 is a structural schematic diagram of a damping structure in the prior art;

Fig. 2 is a structural schematic diagram of a shock absorbing structure for a fuel cell provided by the present invention.

Reference signs:

1 bracket 2 cushioning member 3 Cabinet connecting plate 4 Mounting holes 11 support plate 12 U-shaped plate

detailed description

In order to make the purpose, technical solutions and advantages of the utility model more clear, the technical solution in the utility model embodiment will be described in more detail below in conjunction with the accompanying drawings in the utility model embodiment. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some embodiments of the present utility model, but not all embodiments. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. Embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

In describing the present invention, it should be understood that the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal" , "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or It should not be construed as limiting the protection scope of the present invention by implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation.

As shown in Figure 2, the shock absorbing structure for fuel cells provided by this embodiment includes a bracket 1 and a buffer member 2, wherein: the bracket 1 is used to form a fixed support for the fuel cell stack, and the bracket 1 has a buffer member for accommodating 2, the cushioning member 2 is used for cushioning the shock received by the fuel cell stack.

In the vehicle environment, when the vehicle encounters shaking or vibration, the vibration energy is directly transmitted to the buffer member 2 through the fuel cell box, and the buffer member 2 absorbs a part of the vibration energy, and then transfers it to the bracket 1, and the remaining vibration energy is After part of the bracket 1 is dispersed, it is transmitted to the fuel cell stack. At this time, the vibration energy transmitted to the fuel cell stack is the energy that has been attenuated many times. The impact of the vibration energy on the fuel cell stack is reduced, which is beneficial to the protection of the fuel cell heap. In addition, the bracket 1 can form a fixed support for the fuel cell stack, so it is beneficial to improve the stability of the fuel cell stack and reduce the impact of vibration on the fuel cell stack.

The support 1 for the shock absorbing structure of the fuel cell provided in this embodiment includes a support plate assembly and a support, wherein: the support plate assembly is arranged on the upper part of the support, and the support plate assembly is relatively The support extends outward in the horizontal direction, so that the part for accommodating the buffer member 2 is formed between the support plate assembly and the base, so that the part for accommodating the buffer member 2 is roughly L-shaped. cavity. "Outside" is relative to the overall monolithic structure of the support.

There are many structures to realize the bracket 1, for example: the support plate assembly includes two support plates 11, and the two support plates 11 are arranged in parallel on the bottom surface of the fuel cell stack, and the bottom surface of each support plate 11 is respectively provided with a buffer Component 2. The support plate 11 can provide planar support for the fuel cell stack without taking up space. The support is a U-shaped plate 12 , and the two supporting plates 11 are respectively arranged on the periphery of the opening of the U-shaped plate 12 , that is, the U-shaped plate 12 is arranged between the two supporting plates 11 . Preferably, the U-shaped board 12 is integrated with the two supporting boards 11 . At this time, the bracket 1 is roughly in the shape of an upside-down "several". When in use, the U-shaped plate 12 is suspended in the air and does not contact the fuel cell box without external force. That is to say, the U-shaped plate 12 12 has a gap in the vertical direction without being subjected to external force.

At least three positions for accommodating the buffer member 2 are distributed on the bottom surfaces of the two support plates 11 and the U-shaped plate 12 . Preferably, the number of buffer members 2 is four, that is, four parts are required for accommodating buffer members 2 , and a buffer member 2 is provided at both ends of the bottom surface of each support plate 11 . That is to say, at least the four end corners of the fuel cell stack are provided with buffer members 2, which makes the shock energy suffered by the fuel cell stack evenly distributed on the four buffer members 2, and the shock is absorbed by the four buffer members 2. The energy is absorbed, so it will not cause a certain buffer member 2 to be stressed more than other buffer members 2 and be prone to plastic deformation or damage. The number of buffer members 2 can also be more than four, as long as these buffer members 2 are evenly arranged to absorb shock energy evenly.

With this structure, when the vehicle encounters shaking or vibration, such as vertical downward vibration, the buffer member 2 has a downward vibration and undergoes elastic deformation. Since there is a gap between the U-shaped plate 12 and the fuel cell box, The gap allows the bracket 1 connected to the buffer member 2 to move downward together with the buffer member 2, which is beneficial to better buffering. Moreover, when the U-shaped plate 12 abuts against the bottom surface of the fuel cell box, the shock-absorbing structure for the fuel cell is integrally formed with the fuel cell box, which is beneficial to a certain extent for the fuel cell device to move vertically. on the stability.

Of course, the bracket 1 can also be, for example: the support plate assembly includes four support plates, the support is a square barrel structure, and the four support plates are respectively arranged on the opening periphery of the square barrel structure, the At least three positions for accommodating the buffer member 2 are distributed on the bottom surfaces of the four support plates. The support 1 can also be, for example: the support plate assembly includes an annular support plate, the support is a barrel structure, and the annular support plate is arranged on the opening periphery of the barrel structure, the ring support plate There are at least three locations for accommodating the buffer member 2 distributed on the bottom surface.

The damping structure for the fuel cell provided in this embodiment further includes a case connecting plate 3 through which the buffer member 2 is fixedly connected to the bottom plate of the fuel cell case. At this time, the shock-absorbing structure for the fuel cell is connected with the fuel cell box as a whole. When the external environment vibrates the interior of the fuel cell box, it also plays a role in damping the fuel cell stack, so that the fuel cell stack can Maintaining the best performance, effectively prolonging the service life of the fuel cell stack.

The space enclosed by the tank connecting plate 3 used in the shock absorbing structure of the fuel cell provided in this embodiment just allows the bottom surface of the U-shaped plate 12 to be accommodated therein. That is to say, when the U-shaped plate 12 abuts against the bottom surface of the fuel cell box, the space surrounded by the box connection plate 3 can limit the left, right, front and rear of the U-shaped plate 12, further improving its stability in the vibration process. sex.

The support 1 for the damping structure of the fuel cell provided in this embodiment is provided with a mounting hole 4 for fixedly connecting the fuel cell stack, and the fuel cell stack can be fixed to the support 1 through the mounting hole 4 by a bolt member. The method of adopting bolt components is convenient for disassembly and installation.

The utility model also provides a fuel cell device, the fuel cell device includes a fuel cell stack and a fuel cell box, and the fuel cell stack is accommodated in the fuel cell box. The fuel cell device also includes the shock absorbing structure for fuel cells described in the above embodiments, the fuel cell stack is seated on the support 1 in the shock absorbing structure for fuel cells, and is connected with The bracket 1 is fixedly connected. The box connection plate 3 in the shock absorbing structure for the fuel cell is fixedly connected to the bottom plate of the fuel cell box. In addition, the bracket 1 is detachably connected to the fuel cell stack, for example, through the installation hole 4 on the bracket 1, and the fuel cell stack is fixedly connected by bolt members, which is convenient for disassembly and installation. Other parts of the fuel cell device are all prior art, and will not be further described here.

The utility model also provides a vehicle, including a fuel cell device, and the fuel cell device is the fuel cell device described in the above embodiment. The other parts of the vehicle are all prior art and will not be described here.

Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solution of the present utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features; and These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. A damping structure for a fuel cell, characterized in that it comprises a bracket (1) and a buffer member (2), wherein: the bracket (1) is used to form a fixed support for the fuel cell stack, and has a capacity The position of the buffer member (2) for buffering the shock received by the fuel cell stack is placed. 2. The damping structure for fuel cells according to claim 1, characterized in that, the support (1) comprises a support plate assembly and a support, wherein: the support plate assembly is arranged on the upper part of the support And relative to the support, it extends outward in the horizontal direction, and forms the part for accommodating the buffer member (2) with the base. 3. The damping structure for fuel cells according to claim 2, characterized in that, the support plate assembly comprises two support plates (11), the support is a U-shaped plate (12), and the The two support plates (11) are respectively arranged on the opening periphery of the U-shaped plate (12), and the bottom surfaces of the two support plates (11) and the U-shaped plate (12) are distributed with at least three The part for accommodating the buffer member (2). 4. The damping structure for a fuel cell according to any one of claims 1 to 3, characterized in that it further comprises a box connection plate (3), the top of the buffer member (2) is in contact with the The bottom surface of the supporting plate assembly of the bracket (1) contacts, and the bottom surface is fixedly connected with the bottom plate of the fuel cell box through the box connection plate (3). 5. The damping structure for a fuel cell according to claim 2, wherein the support plate assembly includes four support plates, the support is a square barrel structure, and the four support plates are respectively Arranged on the periphery of the opening of the square barrel structure, at least three positions for accommodating the buffer member (2) are distributed on the bottom surfaces of the four support plates. 6. The damping structure for a fuel cell according to claim 2, wherein the support plate assembly comprises an annular support plate, the support is a barrel structure, and the annular support plate is arranged on On the periphery of the opening of the drum structure and the bottom surface of the annular support plate, there are at least three positions for accommodating the buffer member (2). 7. A fuel cell device, comprising a fuel cell stack and a fuel cell case, characterized in that it also includes the shock absorbing structure for a fuel cell according to any one of claims 1 to 6, the fuel cell stack sit on the support (1) in the shock absorbing structure for fuel cells, and be fixedly connected with the support (1), the box connection plate (3) in the shock absorbing structure for fuel cells ) is fixedly connected to the bottom plate of the fuel cell box. 8. The fuel cell device according to claim 7, characterized in that there is a vertical gap between the U-shaped plate (12) in the shock absorbing structure for the fuel cell and the bottom plate of the fuel cell case . 9. The fuel cell device according to claim 7 or 8, characterized in that the bracket (1) is detachably connected to the fuel cell stack. 10. A vehicle comprising a fuel cell device, characterized in that the fuel cell device is the fuel cell device according to claim 7, 8 or 9.