CN220233250U

CN220233250U - Integrated bracket and fuel cell

Info

Publication number: CN220233250U
Application number: CN202320640937.XU
Authority: CN
Inventors: 王苁; 陆敏敏; 孙远志; 邬智宇; 王金伟; 宁景霞
Original assignee: Changzhou Yong'anxing Hydrogen Energy Technology Co ltd
Current assignee: Changzhou Yong'anxing Hydrogen Energy Technology Co ltd
Priority date: 2022-03-31
Filing date: 2023-03-28
Publication date: 2023-12-22
Anticipated expiration: 2033-03-28

Abstract

The utility model belongs to the technical field of fuel cells, and discloses an integrated bracket and a fuel cell. The existing fuel cell often dispersedly arranges the hydrogen gas path parts, which results in low integration level of the hydrogen gas path parts and low space utilization rate, and the problems of difficult maintenance and large flow resistance of the pipeline are caused. The integrated support is at least provided with the first support, the second support and the third support in an integrated mode, the first support is used for detachably connecting the hydrogen supply valve group, the second support is used for detachably connecting the main controller, the circulating pump controller and the exhaust and drainage valve group, the third support is used for detachably connecting the circulating pump, the hydrogen path parts can be highly integrated, wiring harnesses and pipelines are reduced, the high-low pressure parts are arranged at intervals, the space utilization rate is improved, the flow resistance is reduced, and the mutual interference of the high-low pressure parts can be avoided.

Description

Integrated bracket and fuel cell

Technical Field

The utility model relates to the technical field of fuel cells, in particular to an integrated bracket and a fuel cell.

Background

The fuel cell is a chemical device for directly converting chemical energy of fuel into electric energy, and is widely applied to the field of automobiles due to the characteristics of high efficiency, environmental protection and long service life. The fuel cell power system comprises a fuel cell stack, an air supply system, a hydrogen supply system, a cooling system, a power distribution management system, a controller and the like. The hydrogen supply system can humidify the input fuel and the like, so that the input fuel is converted into hydrogen-rich gas suitable for running in the fuel cell stack, the temperature, pressure and flow (humidity) of the anode side of the fuel cell stack are ensured, and the utilization rate of the hydrogen is ensured.

The hydrogen supply system or the hydrogen supply device for supplying hydrogen fuel to the hydrogen fuel cell in the prior art has the defects of complex structure, numerous pipelines and lack of coordination and integration among components with different functions, so that the hydrogen supply system or the hydrogen supply device has larger volume and is inconvenient to use. The stop valve, the proportional valve and the ejector in the hydrogen supply system are integrated into a whole, and through arranging the hydrogen inlet hole, the hydrogen outlet hole and the first flow passage on the base, the communication from the hydrogen inlet hole to the stop valve to the proportional valve to the ejector to the first flow passage to the electric pile is completed, and although the partial volume is reduced, the base is provided with holes and processing flow passages, the working procedure is complex, the design is a local integrated design, more pipelines and brackets are needed, and the design is connected with other hydrogen gas circuit components through longer wire harnesses and pipelines, so that the system integrity is influenced, and the maintenance and repair are difficult.

Therefore, there is a need for an integrated support and fuel cell that addresses the above-described issues.

Referring to fig. 1 and 2, a related art hydrogen path component integrated bracket of a fuel cell is provided with a first bracket, a second bracket and a third bracket; the second support comprises a first installation part, a second installation part, a third installation part and a fourth installation part, a plurality of part installation positions are arranged, and the space utilization rate, the mechanical stability and the like of the integrated support are still to be further improved.

Disclosure of Invention

The utility model aims to provide an integrated bracket and a fuel cell, which can integrate hydrogen path parts, improve the integrity of a hydrogen path, save space and facilitate maintenance.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an integrated support, which is at least provided with a first support, a second support and a third support in an integrated way, wherein the first support is used for detachably connecting a hydrogen supply valve group, the second support is used for detachably connecting a main controller, a circulating pump controller and an exhaust and drainage valve group, and the third support is used for detachably connecting a circulating pump.

Preferably, the second bracket comprises a first installation part, a second installation part and a third installation part, the first installation part, the second installation part and the third installation part are sequentially arranged along the first direction, the first installation part, the second installation part and the third installation part are positioned on the same plane, the first installation part is used for detachably connecting the exhaust and drainage valve group, the second installation part is used for detachably connecting the circulating pump controller, and the third installation part is used for detachably connecting the main controller.

Preferably, the first mounting portion and the third mounting portion are each remote from the third bracket along a second direction, the second direction being disposed at an angle to the first direction.

Preferably, the first bracket and the second bracket are arranged in parallel, and the third bracket is arranged at an angle with the first bracket and the second bracket.

Preferably, the integrated bracket further comprises a connecting piece, and the connecting piece is connected with the first bracket, the second bracket and the third bracket.

Preferably, the first bracket, the second bracket, the third bracket and the connecting piece are all provided with lightening holes.

Preferably, the first bracket, the second bracket and the third bracket are provided with mounting holes.

Preferably, the second bracket further comprises a bridge structure, the bridge structure is connected between the second installation part and the third installation part, and a wiring channel is formed among the bridge structure, the second installation part and the third installation part.

Preferably, the first bracket, the first mounting portion and the third mounting portion are each provided with an insulating pad, and the first bracket, the second bracket and the third bracket are each provided with a shock pad.

To this end, the utility model also provides a fuel cell comprising the integrated support as described above.

The utility model has the beneficial effects that:

the integrated bracket disclosed by the utility model integrates the hydrogen gas path parts, has a compact structure and reasonable layout, increases the space utilization rate of the fuel cell system, improves the mechanical stability of the integrated bracket, and can quickly lock the parts needing to be maintained or replaced when the hydrogen gas path parts are failed or need to be replaced because the hydrogen gas path parts are integrated on the bracket, thereby improving the operation efficiency.

Drawings

FIG. 1 is a schematic view of a related art integrated bracket;

FIG. 2 is a front view of a related art integrated bracket;

FIG. 3 is a schematic view of an integrated bracket according to an embodiment of the present utility model;

FIG. 4 is a front view of an integrated bracket according to an embodiment of the present utility model;

FIG. 5 is a bottom view of an integrated bracket according to an embodiment of the present utility model;

fig. 6 is a right side view of an integrated bracket according to an embodiment of the present utility model.

In the figure:

10. a first bracket;

20. a second bracket; 21. a first mounting portion; 22. a second mounting portion; 23. a third mounting portion; 24. bridge structure; 25. a routing channel;

30. a third bracket;

40. a connecting piece;

50. a lightening hole;

60. a mounting hole;

70. a shock pad;

80. reinforcing ribs.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the components can be directly connected or indirectly connected through an intermediate medium, and can be communicated inside two components or the interaction relationship of the two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The existing hydrogen path parts of the fuel cell power system are arranged in a distributed mode or part parts are integrated, and all parts are distributed at all parts of the fuel cell power system and fixed through a bracket, and the arrangement method has the following defects: the arrangement of the components is dispersed, and a large amount of space is occupied, so that the space utilization rate is low; the system is arranged in an oversized span, the flow resistance of a hydrogen path is increased, heat dissipation is not facilitated, and lines are disordered due to overlong connecting wire harnesses among parts; when the hydrogen path fails, the problem part cannot be quickly locked for replacement, and the overhaul efficiency is low; the installation process is complex, and more stations and workers are needed; the required brackets are more, so that the brackets are more in connecting pieces, the waste of materials is easy to cause, and the cost is increased; the components are scattered, so that the logistics transportation amount is large, and the logistics cost is increased.

The hydrogen gas circuit spare part includes: the device comprises a main controller FCU, a hydrogen circulating pump controller, a gas-water separator, a circulating pump, an exhaust valve, a drain valve, a heating valve, a switching valve, a proportional valve, a pressure relief valve, a medium pressure sensor, a low pressure sensor, a temperature sensor and a liquid level sensor. The circulating pump and the circulating pump controller are high-voltage electric devices, and the rest parts are all the high-voltage electric devices. In the embodiment, a switching valve, a proportional valve, a pressure relief valve, a medium pressure sensor and a low pressure sensor are called as a hydrogen supply valve group, wherein the medium pressure sensor is arranged behind a hydrogen cylinder, the other end of the medium pressure sensor is connected with a subsystem hydrogen path switching valve, and the low pressure sensor is arranged at the front end of a fuel cell stack;

the exhaust valve, the drain valve, the heating valve, another low-pressure sensor, the temperature sensor and the liquid level sensor are called a drainage exhaust valve group, wherein the low-pressure sensor is arranged at the rear end of the fuel cell stack, and the exhaust valve and the drain valve are respectively fixed on a hydrogen discharge pipe and a drain pipe of the gas-water separator through bolts; the circulating pump, the gas-water separator, the exhaust and drainage valve group and the hydrogen supply valve group are respectively connected with the main controller through control wiring harnesses, and the gas-water separator is provided with a temperature sensor and a liquid level sensor; the system also includes a gas delivery conduit, a hydrogen conduit for delivering hydrogen to the stack, and a tail gas conduit for delivering tail gas from the stack.

On the basis, the utility model provides an integrated bracket.

As shown in fig. 3, the present embodiment discloses an integrated bracket, which at least includes a first bracket 10, a second bracket 20 and a third bracket 30, wherein the first bracket 10 is used for detachably connecting a hydrogen supply valve group, the second bracket 20 is used for detachably connecting a main controller, a circulating pump controller and an exhaust and drainage valve group, and the third bracket 30 is used for detachably connecting a circulating pump. The bracket can integrate the hydrogen path parts, reduces the space occupied by the hydrogen path parts and increases the space utilization rate; the length of the wire harness and the pipeline can be reduced, the response speed of the engine system is increased, the heat dissipation of the system is facilitated, and the flow resistance of the hydrogen pipeline is reduced; the problem piece can be positioned quickly during maintenance, so that maintenance efficiency is improved; the integral layout fixes the relative positions of the whole parts, is convenient for molding designs such as pipelines and circuits, is convenient to install, has simple process, is more attractive and reliable in connection between the pipelines, is favorable for platform design, and has strong universality. Optionally, in other embodiments, the integrated bracket may further include more brackets, such as a fourth bracket, a fifth bracket, and so on, which are not described herein.

Further, the first mounting portion 21, the second mounting portion 22 and the third mounting portion 23 are sequentially arranged along the first direction on the second bracket 20, and the first mounting portion 21, the second mounting portion 22 and the third mounting portion 23 are located on the same plane, the first mounting portion 21 is detachably connected with the exhaust and drain valve set, the second mounting portion 22 is detachably connected with the circulating pump controller, and the third mounting portion 23 is detachably connected with the main controller. In this embodiment, a transition portion is provided between the mounting portion and the mounting portion, and is used to prevent interference between the components.

Further, as shown in fig. 4, in the second direction, the first mounting portion 21 and the third mounting portion 23 are both away from the third bracket 30 by the second mounting portion 22, and the first direction is perpendicular to the second direction. The first mounting portion 21 is flush with the third bracket 30 in the second direction in such a way that the system is integrated to a higher degree and the bracket has as small an external dimension as possible to save space. The second installation department 22 is used for detachable connection circulating pump controller, and third support 30 is used for detachable connection circulating pump, and circulating pump controller and circulating pump are high-voltage electric devices, and other spare parts are low-voltage electric devices, and first installation department 21 and third installation department 23 are all kept away from third support 30 relative to second installation department 22, can separate high-low voltage electric devices, avoid high-low voltage electric devices to interfere each other.

Further, as shown in fig. 5, the first support 10 and the second support 20 are arranged in parallel, the parallel distance is larger than the height of the parts of the hydrogen supply valve group, the third support 30 is perpendicular to the first support 10 and the second support 20, the first support 10, the second support 20 and the third support 30 can be mutually supported by the arrangement mode, the structure is stable, the third support 30 is perpendicular to the first support 10 and the second support 20, the arrangement direction of the circulating pump can be fixed, and the overall height of the supports can be reduced. The hydrogen supply valve group, the exhaust and drainage valve group and the circulating pump are all parts with larger volume and larger weight, and strong mechanical performance is needed, and the circulating pump controller and the main controller are lighter in weight and are arranged at the far end.

Further, as shown in fig. 5 and 6, the bracket further includes a connection member 40, and the connection member 40 is disposed between the first bracket 10, the third bracket 30 and the first mounting portion 21, and is perpendicular to the first bracket 10, the third bracket 30 and the first mounting portion 21. In this embodiment, the short side of the connecting member 40 is disposed on one symmetry axis of the third bracket 30, does not exceed the edge of the third bracket 30, and the long side extends downward, and the length does not exceed the length of the first bracket 10 and the first mounting portion 21, the first bracket 10 abuts against the connecting member 40, and the right-angle long side of the connecting member 40 abuts against the first mounting portion 21, and abuts against the first bracket 10 and the first mounting portion 21, respectively. A reinforcing rib 80 is further provided between the first mounting portion 21 and the third bracket 30 to increase stability of the bracket.

Further, the above-mentioned first bracket 10, second bracket 20, third bracket 30 and connecting member 40 are provided with weight-reducing holes 50 while securing mechanical strength. In particular, in the present embodiment, this arrangement can significantly reduce the weight of the integrated bracket, save resources, and since the third bracket 30 is used to mount the circulation pump, the lightening holes 50 on the third bracket 30 can also facilitate the circulation of air around the circulation pump, and can have a certain heat dissipation effect on the circulation pump.

Further, the first, second and third brackets 10, 20 and 30 are provided with mounting holes 60. In the present embodiment, the mounting hole 60 is a through hole, and the hydrogen path component is provided to be mounted by a bolt and a nut. The number and size of the mounting holes 60 can be specifically set according to the mounting requirements of the hydrogen path components, and the present embodiment is not particularly limited.

Alternatively, in another embodiment, the mounting holes 60 are designed to be open, and the hydrogen circuit components are provided with connection posts that enable the hydrogen circuit components to be mounted to the bracket.

Further, the second bracket 20 further includes a bridge structure 24, the bridge structure 24 is connected between the second mounting portion 22 and the third mounting portion 23, and a routing channel 25 is formed between the bridge structure 24, the second mounting portion 22 and the third mounting portion 23. Specifically, in this embodiment, the bridge structure 24 is configured to connect the second installation portion 22 and the third installation portion 23, so that mechanical stability between the second installation portion 22 and the third installation portion 23 can be improved, and the formed routing channel 25 can integrate cables of each component, so as to avoid cable sagging.

Further, the first bracket 10, the first mounting portion 21 and the third mounting portion 23 are each provided with an insulating pad, and the first bracket 10, the second bracket 20 and the third bracket 30 are each provided with a shock pad 70. Specifically, in this embodiment, insulation pads are arranged between the first bracket 10 and each part of the hydrogen supply valve set, and insulation pads are arranged between the second bracket 20 and each part of the main controller and the exhaust and drain valve set, so as to ensure the insulation requirements of low-voltage parts; in this example, when the component is mounted, the component is first mounted on the stud, then the shock pad 70 is mounted on the stud on which the component is mounted, then the stud is passed through the mounting hole 60 on the bracket, and finally the nut is used to lock, thereby mounting the component on the bracket, and at this time, the shock pad 70 is mounted between the component and the bracket, and plays a role in shock absorption. The shock pad 70 can reduce mutual friction and vibration between parts and the bracket, can significantly reduce noise during running of the vehicle, and can reduce abrasion of the parts.

Alternatively, in another embodiment, the mounting holes 60 are designed to be open. During installation, the shock pad 70 is fixed on the part through the bolt, the groove is formed in the middle of the shock pad 70, the groove can be matched with the opening of the mounting hole 60 for use, the part is installed on the support, noise in the running process of the vehicle can be obviously reduced, and the abrasion effect of the part can be reduced.

Further, the stent is made of a high strength, high toughness metallic material, such as: casting aluminum.

Further, the bracket is integrally formed, for example: casting. The integrated into one piece can promote the manufacturing accuracy and the uniformity of support, and convenient transportation, it is convenient to use, can be whole with fuel cell system assembly installation after hydrogen path spare part equipment is accomplished, has improved assembly efficiency and installation accuracy.

The embodiment also provides a fuel cell, which comprises the integrated bracket.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The integrated support is characterized in that the integrated support is at least provided with a first support (10), a second support (20) and a third support (30) in an integrated mode, the first support (10) is used for detachably connecting a hydrogen supply valve group, the second support (20) is used for detachably connecting a main controller, a circulating pump controller and an exhaust and drainage valve group, and the third support (30) is used for detachably connecting a circulating pump.

2. The integrated bracket according to claim 1, wherein the second bracket (20) comprises a first mounting portion (21), a second mounting portion (22) and a third mounting portion (23), the first mounting portion (21), the second mounting portion (22) and the third mounting portion (23) are sequentially arranged along a first direction, the first mounting portion (21), the second mounting portion (22) and the third mounting portion (23) are located on the same plane, the first mounting portion (21) is used for detachably connecting an exhaust and drain valve group, the second mounting portion (22) is used for detachably connecting a circulation pump controller, and the third mounting portion (23) is used for detachably connecting a main controller.

3. The integrated bracket according to claim 2, characterized in that in a second direction, the first mounting portion (21) and the third mounting portion (23) are each remote from the third bracket (30) by the second mounting portion (22), the second direction being arranged at an angle to the first direction.

4. The integrated bracket according to claim 1, wherein the first bracket (10) and the second bracket (20) are arranged in parallel, and the third bracket (30) is arranged at an angle with respect to the first bracket (10) and the second bracket (20).

5. The integrated bracket according to claim 1, further comprising a connector (40), the connector (40) being connected to the first bracket (10), the second bracket (20) and the third bracket (30).

6. The integrated bracket according to claim 5, characterized in that the first bracket (10), the second bracket (20), the third bracket (30) and the connecting piece (40) are each provided with a lightening hole (50).

7. The integrated bracket according to claim 1, wherein the first bracket (10), the second bracket (20) and the third bracket (30) are each provided with mounting holes (60) for mounting hydrogen circuit components.

8. The integrated bracket according to claim 2, wherein the second bracket (20) further comprises a bridge structure (24), the bridge structure (24) being connected between the second mounting portion (22) and the third mounting portion (23), a routing channel (25) being formed between the bridge structure (24), the second mounting portion (22) and the third mounting portion (23).

9. The integrated bracket according to claim 2, characterized in that the first bracket (10), the first mounting portion (21) and the third mounting portion (23) are each provided with an insulating pad, and the first bracket (10), the second bracket (20) and the third bracket (30) are each provided with a shock pad (70).

10. A fuel cell comprising an integrated support according to any one of claims 1 to 9.