CN218513489U

CN218513489U - Hydrogen power system and hydrogen power vehicle

Info

Publication number: CN218513489U
Application number: CN202222287035.0U
Authority: CN
Inventors: 施涛; 陆建文
Original assignee: Beijing Zhongchuang Panye New Energy Technology Co ltd
Current assignee: Beijing Zhongchuang Panye New Energy Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-21
Anticipated expiration: 2032-08-30

Abstract

The utility model provides a hydrogen power system and a hydrogen power vehicle, belonging to the technical field of hydrogen fuel cells, wherein the hydrogen power system comprises a fuel cell, a fan and a solid hydrogen storage device; the box body is internally provided with an installation cavity and an air inlet and an air outlet which are communicated with the installation cavity; the fuel cell is arranged at the air inlet of the box body and is arranged at intervals with the air inlet; the fan is arranged between the shell of the fuel cell and the air inlet and is used for pumping heat generated by the fuel cell into the mounting cavity through the air inlet; the solid hydrogen storage device is arranged at the inner side of the mounting cavity, is positioned between the air inlet and the air outlet, and is provided with a channel for air circulation with the inner wall of the mounting cavity. The heat fan suction that fuel cell produced impels in the installation cavity, makes solid-state hydrogen storage ware put hydrogen, and the box can reduce the heat and to external giving off, improves the utilization ratio to the heat, guarantees the stability of putting hydrogen of solid-state hydrogen ware, improves the stability of fuel cell operation.

Description

Hydrogen power system and hydrogen power vehicle

Technical Field

The utility model relates to a hydrogen fuel cell's technical field, concretely relates to hydrogen driving system and hydrogen motor car.

Background

At present, the hydrogen power system for the small-sized vehicle is arranged in a mode that the heat exhausted by the air-cooled fuel cell is insufficient to heat the solid hydrogen storage device, the heat utilization efficiency is not high, the solid hydrogen storage device is insufficient to discharge hydrogen, the hydrogen supply system is unstable to the hydrogen supply of the fuel cell, the irreversible damage to the performance of the fuel cell is easily caused, and the performance stability of the fuel cell cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to improve the thermal make full use of giving off to fuel cell, need inspiratory heat when satisfying solid-state hydrogen storage ware and put hydrogen, improve the stability of fuel cell performance, the utility model provides a hydrogen driving system and hydrogen motor car.

In a first aspect, the present invention provides a hydrogen power system, comprising:

the box body is internally provided with an installation cavity and is provided with an air inlet and an air outlet which are communicated with the installation cavity;

the fuel cell is arranged at the air inlet of the box body and is arranged at an interval with the air inlet;

the fan is arranged between the shell of the fuel cell and the air inlet and used for pumping heat generated by the fuel cell into the mounting cavity through the air inlet;

the solid hydrogen storage device is arranged on the inner side of the installation cavity, is positioned between the air inlet and the air outlet, and is provided with a channel for air circulation between the air inlet and the inner wall of the installation cavity.

Optionally, the solid-state hydrogen storage device has a circular cross section and is spaced apart from any one of the inner walls of the mounting cavity to form the channel.

Optionally, the air inlet and the air outlet are respectively located at two opposite sides of the installation cavity.

Optionally, a shock pad is arranged at the bottom of the inner side of the installation cavity, and the bottom of the solid-state hydrogen storage device is in contact with the shock pad.

Optionally, a groove is arranged on the shock pad, and the bottom of the solid-state hydrogen storage device is embedded in the groove.

Optionally, an opening is arranged at the top of the box body, so that the solid-state hydrogen storage device can enter and exit the installation cavity; the box body is detachably connected with a fixing ring at an opening, and the top of the solid hydrogen storage device penetrates through the inner side of the fixing ring and extends to the outer side of the installation cavity.

Optionally, the fixing ring has elasticity, and the inner wall of the fixing ring is tightly attached to the outer wall of the solid hydrogen storage device under the action of the elasticity.

Optionally, a grid plate is arranged at the air outlet of the box body; and/or the fans are provided with a plurality of groups and are arranged on the shell of the fuel cell side by side.

On the other hand, the utility model also provides a hydrogen motor car, it includes the hydrogen driving system of any one of above-mentioned embodiment.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a hydrogen driving system, the heat that produces in the fuel cell function process, in the installation cavity of fan suction box, make hot-blast runner between solid-state hydrogen storage ware and installation cavity inner wall in to air exit one side flow, the heat that carries in hot-blast can be transmitted and impel solid-state hydrogen storage ware to put hydrogen in the solid-state hydrogen storage ware, at hot-blast in-process that flows, the box can reduce the heat and give off to the external world, reduce the calorific loss, improve the utilization ratio to the heat, thereby satisfy solid-state hydrogen storage ware and put the absorptive heat of hydrogen, guarantee the stability of putting hydrogen of solid-state hydrogen storage ware, the stability of corresponding improvement fuel cell function.

2. The utility model provides a hydrogen driving system, cross section are the in-process that circular shape solid-state hydrogen storage device can make hot-blast flow in the installation cavity, utilize the coanda effect, make hot-blast outer wall surface along solid-state hydrogen storage device flow, and thermal transmission effect is better, further improves thermal utilization efficiency.

3. The utility model provides a hydrogen power car, through hydrogen driving system's setting, the fuel cell function in-process is more stable, makes the operation of hydrogen power car also more steady reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a hydrogen power system;

FIG. 2 is a cross-sectional view of the connection of the fuel cell, fan, housing and solid state hydrogen storage;

FIG. 3 is a schematic structural view of a flow path of hot air in a channel;

FIG. 4 is a schematic structural view showing a connection relationship of the case, the solid-state hydrogen storage, and the fixing ring;

FIG. 5 is a schematic structural diagram of a grid plate disposed on a box body;

fig. 6 is a schematic structural view showing the connection relationship of the fuel cell, the fan and the case.

Description of reference numerals: 1. a fuel cell; 2. a box body; 3. a solid-state hydrogen storage; 4. a fan; 5. a shock insulation pad; 6. a fixing ring; 7. a positioning ring; 8. connecting the shell; 9. a grid plate; 10. a yielding groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a hydrogen power system, and referring to fig. 1 to 5, the hydrogen power system includes: a box body 2, a fuel cell 1, a solid hydrogen storage device 3 and a fan 4.

Referring to fig. 1 and 2, an installation cavity is formed inside the case 2, an air inlet and an air outlet are formed in the case 2, the fuel cell 1 is installed on one side of the case 2 where the air inlet is formed, and the fan 4 is installed on the outer shell of the fuel cell 1 and connected with the air inlet of the case 2, so that heat generated by the fuel cell 1 is pumped into the installation cavity through the air inlet by the fan 4. The solid hydrogen storage device 3 is arranged in the mounting cavity and is positioned between the air inlet and the air outlet, and the solid hydrogen storage device 3 and the inner wall of the mounting cavity are arranged at intervals to form a channel for air to flow from the air inlet to one side of the air outlet.

In the hydrogen power system, in the operation process, heat generated by the fuel cell 1 is pumped into the mounting cavity by the fan 4 so as to cool the fuel cell 1, hot air enters the mounting cavity through the air inlet and then flows through the channel between the solid hydrogen storage device 3 and the inner wall of the mounting cavity and is exhausted from the air outlet, and in the flowing process of the hot air, the heat is transferred into the solid hydrogen storage device 3 so as to promote the solid hydrogen storage device 3 to release hydrogen. Simultaneously, the setting of box 2 can reduce the outer heat that hot-blast carried and scatter, can make solid-state hydrogen storage device 3 absorb more heat, improves the utilization ratio to the heat, satisfies solid-state hydrogen storage device 3 and puts the hydrogen demand, makes solid-state hydrogen storage device can be more stable put hydrogen, improves solid-state hydrogen storage device 3 to the stability ability of 1 hydrogen supplies of fuel cell and the stability of 1 operation of fuel cell.

Referring to fig. 3, in the present embodiment, the box 2 is a casing with a rectangular cross section, and the air inlet and the air outlet are respectively provided at two opposite sides of the box 2. The cross section of the solid hydrogen storage device 3 is circular, and the solid hydrogen storage device 3 is positioned at the center of the rectangular box body 2, so that a gap is formed between the solid hydrogen storage device 3 and any one inner wall of the mounting cavity.

So set up, can make and form two symmetrical passageways between the inner wall of solid-state hydrogen storage ware 3 and installation cavity, make hot-blast both sides from solid-state hydrogen storage ware 3 flow, make each position of solid-state hydrogen storage ware 3 be heated evenly. Meanwhile, under the coanda effect, hot air can flow along the outer wall of the cylindrical solid hydrogen storage device 3, so that the solid hydrogen storage device 3 has better contact effect with the hot air, the heat transfer effect is better, and the utilization efficiency of heat is further improved.

As an alternative embodiment, the cross section of the solid-state hydrogen storage device 3 may also be elliptical or irregular, so as to ensure that the solid-state hydrogen storage device 3 has a convex arc-shaped structure at a position close to the flow channel, and the hot air can flow along the outer wall of the solid-state hydrogen storage device 3 by utilizing the coanda effect. The cross section of the box body 2 can also be round or oval, and the shape of the box body is adjusted adaptively according to the shape of the solid hydrogen storage device 3.

Further, the bottom of the installation cavity is provided with a shock insulation pad 5, the bottom of the solid-state hydrogen storage device 3 is placed on the shock insulation pad 5, and the shock is absorbed through the shock insulation pad 5, so that the shock transmitted to the solid-state hydrogen storage device 3 is reduced.

Specifically, referring to fig. 2, the vibration-isolating pad 5 is made of a flexible material, such as rubber or polyurethane material having good elasticity. The shock insulation pad 5 is provided with a groove which is suitable for the bottom of the solid hydrogen storage device 3 to be embedded so as to position the bottom of the solid hydrogen storage device 3, the solid hydrogen storage device 3 can be positioned to the center of the box body 2, and a gap is ensured between the solid hydrogen storage device 3 and the inner wall of the installation cavity.

Further, the top of the box body 2 is provided with an opening, and the opening at the top can be used for the solid hydrogen storage device 3 to pass through, so that the solid hydrogen storage device 3 can be conveniently installed. The box 2 is provided with the solid fixed ring 6 of detachable at the opening part, and solid hydrogen storage device 3 passes solid fixed ring 6 and extends to the box 2 outside to be connected with fuel cell 1, and solid hydrogen storage device 3 fixes in solid fixed ring 6, utilizes solid fixed ring 6 fixed solid hydrogen storage device 3's top position, makes solid hydrogen storage device 3 stable as for in the box 2.

Specifically, referring to fig. 3 and 4, the outer wall of the fixing ring 6 is in the same shape as the top of the box 2, the fixing ring 6 is fixedly connected to one end of the fixing ring 7, the opening of the top of the box 2 is matched with the outer wall of the fixing ring 7, the fixing ring 7 is inserted into the opening to fix the fixing ring 6, and the fixing ring 6 abuts against the top of the box 2 and is fixed on the box 2 through screws. Moreover, the inner diameter of the fixing ring 6 is smaller than the diameter of the solid hydrogen storage device 3, the fixing ring 6 has elasticity, the fixing ring 6 can be made of rubber or polyurethane material, the inner wall of the fixing ring 6 is tightly attached to the outer wall of the solid hydrogen storage device 3 under the elastic action, and the solid hydrogen storage device 3 is fixed in position through friction force.

Referring to fig. 4, the inner wall of the fixing ring 6 is further provided with a plurality of abdicating grooves 10, the abdicating grooves 10 are formed along the axial direction of the fixing ring 6, and the abdicating grooves 10 can enable the inner wall of the fixing ring 6 to be more easily extruded and deformed, so that the fixing hydrogen storage device can be conveniently inserted into the fixing ring 6. Moreover, the avoiding groove 10 is not communicated with the inside of the box body 2, and hot air in the box body 2 is prevented from being scattered from a gap between the fixing ring 6 and the solid hydrogen storage device 3.

Further, referring to fig. 5, the box body 2 is further provided with a grid plate 9 at the air outlet, so that under the premise of ensuring ventilation, external sundries are not easy to enter the installation cavity through the air outlet. The grid plate 9 can be fixed on the box body 2 by means of screws, riveting or inserting and the like, can be fixed on the outer wall of the box body 2, and can also be fixed on the inner wall of the box body 2.

Further, referring to fig. 6, the end of the case 2 having the air inlet is fixedly provided with a connecting shell 8, the connecting shell 8 is communicated with the installation cavity through the air inlet, one side of the connecting shell 8 away from the case 2 is open and fixed on the outer shell of the fuel cell 1, and the fan 4 is disposed inside the connecting shell 8. So set up, can fix the relative position of fan 4 and air intake, reduce giving off of heat in fan 4 department to play the guard action to inside fan 4.

In addition, the number of the fans 4 is not limited, and the fans 4 may be adaptively set according to the size of the fans 4 and the size of the fuel cell 1, in this embodiment, three sets of the fans 4 are provided, the three sets of the fans 4 are arranged side by side on the outer shell of the fuel cell 1, and the three sets of the fans 4 are all located inside the connecting housing 8.

Example 2

The embodiment also provides a hydrogen-powered vehicle, which is provided with the hydrogen power system, and the hydrogen power system is used for providing energy for the movement of the hydrogen-powered vehicle. The hydrogen power system has the advantages of high heat utilization efficiency and continuous and stable hydrogen supply, the fuel cell 1 is stable in operation and not easy to damage, and stable energy supply is provided for the operation of the hydrogen power vehicle.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A hydrogen power system, comprising:

the box body (2) is internally provided with an installation cavity and is provided with an air inlet and an air outlet which are communicated with the installation cavity;

the fuel cell (1) is arranged at the air inlet of the box body (2) and is arranged at intervals with the air inlet;

the fan (4) is arranged between the shell of the fuel cell (1) and the air inlet and is used for pumping heat generated by the fuel cell (1) into the installation cavity through the air inlet;

and the solid hydrogen storage device (3) is arranged on the inner side of the mounting cavity, is positioned between the air inlet and the air outlet, and is provided with a channel for air circulation with the inner wall of the mounting cavity.

2. The hydrogen power system according to claim 1, wherein the solid-state hydrogen storage device (3) has a circular cross-section and is spaced apart from any one of the inner walls of the installation cavity to form the passage.

3. The hydrogen powertrain of claim 2, wherein the intake vent and the exhaust vent are located on opposite sides of the mounting cavity.

4. The hydrogen power system according to claim 2, characterized in that a shock absorbing pad is provided at the bottom inside the installation cavity, and the bottom of the solid-state hydrogen storage device (3) is in contact with the shock absorbing pad.

5. The hydrogen power system according to claim 4, characterized in that the shock pad is provided with a groove in which the bottom of the solid-state hydrogen storage device (3) is embedded.

6. The hydrogen power system according to claim 2, wherein the top of the tank (2) is provided with an opening for the solid-state hydrogen storage (3) to enter and exit the installation cavity; the box body (2) is detachably connected with a fixing ring (6) at an opening, and the top of the solid hydrogen storage device (3) penetrates through the inner side of the fixing ring (6) and extends to the outer side of the installation cavity.

7. The hydrogen power system according to claim 6, wherein the fixing ring (6) has elasticity, and the inner wall of the fixing ring (6) is tightly attached to the outer wall of the solid-state hydrogen storage device (3) under the action of the elasticity.

8. The hydrogen power system according to claim 7, characterized in that the inner wall of the fixing ring (6) is provided with a plurality of spaced-apart relief grooves (10).

9. The hydrogen power system according to any of the claims 1-8, characterized in that the box (2) is provided with a grid plate (9) at the air outlet

And/or the fans (4) are provided with a plurality of groups and are arranged on the shell of the fuel cell (1) side by side.

10. A hydrogen-powered vehicle characterized by comprising the hydrogen power system according to any one of claims 1 to 9.