CN218123464U

CN218123464U - Solid hydrogen source of portable fuel cell

Info

Publication number: CN218123464U
Application number: CN202221975715.5U
Authority: CN
Inventors: 叶建华; 郝雷; 李志念; 蒋利军; 王磊; 罗熳; 闫智健
Original assignee: Youyan Guangdong New Material Technology Research Institute; GRIMN Engineering Technology Research Institute Co Ltd
Current assignee: Youyan Guangdong New Material Technology Research Institute; GRIMN Engineering Technology Research Institute Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-23
Anticipated expiration: 2032-07-28

Abstract

The embodiment of the utility model discloses a portable fuel cell solid hydrogen source, including power generation chamber, energy supply chamber, the battery spare that is located in the power generation chamber, and the hydrogen storage spare that is located in the energy supply chamber, arrange heat supply chamber way in the energy supply chamber, the air inlet end of heat supply chamber way with the power generation chamber is linked together, the air outlet end of heat supply chamber way communicates with the outside, the hydrogen storage spare passes each heat supply chamber way; the power generation cavity is provided with a blowing piece, the blowing piece is adjacent to the battery piece, and the blowing piece can blow air out from the battery piece to the heat supply cavity. Adopt the utility model discloses, have the stable hydrogen supply of assurance, improve energy utilization efficiency's advantage.

Description

Solid hydrogen source of portable fuel cell

Technical Field

The utility model relates to a hydrogen energy technical field especially relates to a solid-state hydrogen source of portable fuel cell.

Background

At present, a proton exchange membrane fuel cell can be generally divided into a power generation module for supplying power to equipment and facilities, and a hydrogen supply module for supplying energy to the power generation module, wherein a normal temperature type solid hydrogen source device based on a hydrogen storage material has the advantages of high hydrogen storage density, high safety at low pressure, high hydrogen supply purity, stable hydrogen supply rate and the like, so that the device is often included in an energy supply module to supply energy to the power generation module.

However, the hydrogen storage material absorbs heat during the hydrogen desorption process, so that the temperature of the hydrogen storage material is reduced due to the heat absorption caused by the hydrogen desorption without external heat supply, the hydrogen desorption speed and the hydrogen desorption pressure of the hydrogen storage device are reduced accordingly, the hydrogen supply stability is affected, and the overall energy utilization efficiency of the fuel cell is greatly reduced.

Disclosure of Invention

The embodiment of the utility model provides a technical problem that will solve provides a solid-state hydrogen source of portable fuel cell, can guarantee to stabilize the hydrogen supply, improves energy utilization efficiency.

In order to solve the technical problem, an embodiment of the present invention provides a portable solid hydrogen source for fuel cells, which includes a power generation cavity, an energy supply cavity, a battery piece located in the power generation cavity, and a hydrogen storage piece located in the energy supply cavity, wherein a heat supply cavity is arranged in the energy supply cavity, an air inlet end of the heat supply cavity is communicated with the power generation cavity, an air outlet end of the heat supply cavity is communicated with the outside, and the hydrogen storage piece passes through each heat supply cavity;

the power generation cavity is provided with a blowing piece, the blowing piece is adjacent to the battery piece, and the blowing piece can blow air out from the battery piece to the heat supply cavity.

Preferably, the blowing piece comprises air inlet fans arranged at intervals, the positions of the air inlet fans correspond to the positions of the air inlet ends of the heat supply cavities, one ends of the air inlet fans are communicated with the outside, and the other ends of the air inlet fans are adjacent to the battery piece.

Preferably, heat supply chamber says including baffle and the guide plate of interconnection, baffle interval arrangement cover in the energy supply intracavity, the guide plate with the baffle is the contained angle setting each other, hydrogen storage member passes the baffle.

Preferably, the partition plates are connected through connecting rods, spacing holes are arranged at intervals on the partition plates, and the hydrogen storage pieces penetrate through the spacing holes.

Preferably, the energy supply cavity is detachably connected with an air outlet grille, the air outlet grille and the blowing piece are arranged oppositely, and the air outlet end of the heat supply cavity is communicated with the outside through the air outlet grille.

Preferably, the solid-state hydrogen source of portable fuel cell still includes the control chamber, the control chamber is located the upper portion in energy supply chamber, the air feed end that stores up the hydrogen spare is located the control intracavity, just be equipped with gas pipeline in the control intracavity, the air feed end that stores up the hydrogen spare pass through gas pipeline with the battery spare is linked together.

Preferably, the gas pipeline is connected with a pressure reducing valve, a gas inlet pressure gauge and a gas inlet stop valve are arranged at the communication position of the gas pipeline and the gas supply end, a gas outlet pressure gauge and a gas outlet stop valve are arranged at the communication position of the gas pipeline and the battery piece, and the gas inlet pressure gauge, the gas inlet stop valve, the gas outlet pressure gauge, the gas outlet stop valve and the pressure reducing valve are all exposed in the control cavity.

Preferably, the control cavity is also exposed with a monitoring display, and the monitoring display is connected with the air inlet fan, the air inlet pressure gauge, the air outlet pressure gauge and the pressure reducing valve.

Preferably, the hydrogen storage piece is a metal hydride hydrogen storage tank, and the battery piece is an air-cooled fuel cell stack.

Preferably, the portable fuel cell solid hydrogen source further comprises a fixing frame, and the power generation cavity, the energy supply cavity and the control cavity are all arranged in the fixing frame.

Implement the embodiment of the utility model provides a, following beneficial effect has:

the embodiment of the utility model provides a pass through it has the heat supply chamber way to arrange in the energy supply intracavity, separates the energy supply chamber for a plurality of heat supply regions through the heat supply chamber way to make things convenient for heat conduction, store up hydrogen spare and pass each heat supply chamber way makes each heat supply chamber way can store up each difference heat supply of hydrogen spare, guarantees to store up each temperature of hydrogen spare even, and then guarantees to store up the hydrogen stability of hydrogen spare, improves energy utilization efficiency.

Wherein, the air inlet end of heat supply chamber way with the electricity generation chamber is linked together, and the air-out end and the outside intercommunication of heat supply chamber way correspond, the electricity generation chamber is equipped with the piece of blowing, the piece of blowing be adjacent to battery spare, and blow the piece and can via battery spare court the air-out of air inlet end of heat supply chamber way makes the piece of blowing not only can provide the radiating effect for battery spare, can also blow the waste heat of battery spare during operation to the heat supply chamber way in to store up hydrogen piece and heat to arrange to the outside at last to reduce and store up the required extra heat source of hydrogen piece, reduce cost.

Drawings

FIG. 1 is a block diagram of a solid-state hydrogen source for a portable fuel cell in accordance with an embodiment of the present invention;

fig. 2 is an internal structural view of a solid hydrogen source for a portable fuel cell in accordance with an embodiment of the present invention;

fig. 3 is a cross-sectional view of a solid-state hydrogen source for a portable fuel cell in accordance with an embodiment of the present invention;

fig. 4 is a cross-sectional view of another angle of the solid-state hydrogen source of the portable fuel cell according to the embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

With reference to fig. 1 to 4, an embodiment of the present invention provides a solid hydrogen source for portable fuel cell, which includes a power generation chamber 1, an energy supply chamber 2, a battery component 3 located in the power generation chamber 1, and a hydrogen storage component 4 located in the energy supply chamber 2.

The embodiment of the utility model provides a pass through arrange in the energy supply chamber 2 and have heat supply chamber way 21, separate energy supply chamber 2 for a plurality of heat supply regions through heat supply chamber way 21 to convenient heat conduction, store up hydrogen 4 and pass each heat supply chamber way 21 makes each heat supply chamber way 21 can store up each part heat supply respectively of hydrogen 4, and it is even to guarantee to store up 4 each temperatures of hydrogen, and then guarantees to store up the hydrogen stability of hydrogen 4, improves energy utilization efficiency.

Wherein, the air inlet end of heat supply chamber way 21 with electricity generation chamber 1 is linked together, and the air-out end and the outside intercommunication of heat supply chamber way 21 correspond, electricity generation chamber 1 is equipped with and blows a 11, it is adjacent to blow a 11 battery spare 3, and blow a 11 and can via battery spare 3 court the air-out of air inlet end of heat supply chamber way 21 makes and blows a 11 and not only can provide the heat dissipation effect for battery spare 3, can also blow the waste heat of battery spare 3 during operation to heat in the heat supply chamber way 21 to store hydrogen 4 and arrange to the outside at last to reduce and store the required additional heat source of hydrogen 4, reduce cost.

Specifically, to achieve the heat conducting effect, the blowing part 11 includes air inlet fans 111 arranged at intervals, and the positions of the air inlet fans 111 correspond to the positions of the air inlet ends of the heat supply channels 21, so that the air inlet fans 111 are paired with the heat supply channels 21, thereby ensuring sufficient heat conduction. And one end of the air inlet fan 111 is communicated with the outside, and the other end of the air inlet fan 111 is adjacent to the battery piece 3, so that the outside air can enter the power generation cavity 1 through the air inlet fan 111, and the waste heat generated when the battery piece 3 works is taken away, thereby playing a role in heat dissipation. It should be noted that the air intake fan 111 may be a single air intake fan with adjustable rotation speed.

Further, as one example, the hydrogen storage member 4 may be a metal hydride hydrogen storage tank, and the battery member 3 may be an air-cooled fuel cell stack, which not only needs hydrogen in the metal hydride hydrogen storage tank as an energy source, but also needs sufficient oxygen to ensure the reaction of the fuel cell, so that sufficient air can be blown into the air-cooled fuel cell stack by an air intake fan 111 communicating with the outside, thereby providing sufficient oxygen to ensure the smooth reaction. Meanwhile, the air can take away the waste heat generated by the reaction of the air-cooled fuel cell stack after passing through the air-cooled fuel cell stack to play a role in heat dissipation, and because the air inlet end of the heat supply cavity 21 is communicated with the power generation cavity 1, the air with the waste heat can enter the heat supply cavity 21 to supply heat for the metal hydride hydrogen storage tank with the temperature reduced due to the hydrogen discharge and heat absorption, thereby preventing the hydrogen discharge speed and the hydrogen discharge pressure of the metal hydride hydrogen storage tank from being reduced, ensuring the hydrogen supply stability of the metal hydride hydrogen storage tank, and further ensuring the smooth reaction of the air-cooled fuel cell stack.

Furthermore, the heat supply cavity 21 comprises a partition plate 211 and a guide plate 212 which are interconnected, the guide plate 212 and the partition plate 211 are arranged at an included angle, and the partition plates 211 are arranged at intervals and cover the energy supply cavity 2 to achieve a separation effect, so that the partition plate 211 and the guide plate 212 are matched to guide the air with waste heat; the hydrogen storage member 4 penetrates through the partition plate 211, so that each part of the hydrogen storage member 4 is uniformly heated, and local uneven heat supply is avoided.

Preferably, the partition plates 211 are connected through a connecting rod 213 to provide a supporting function and ensure a stable structure; just baffle 211 interval arrangement has spacing hole 214, hydrogen storage member 4 passes spacing hole 214 makes hydrogen storage member 4 can a plurality of establish in energy supply chamber 2, guarantees the functional effect to be convenient for operating personnel and change hydrogen storage member 4.

Preferably, energy supply chamber 2 is equipped with air-out grid 22, air-out grid 22 with piece 11 for relative setting of blowing, the air-out end via of heat supply chamber way 21 air-out grid 22 and outside intercommunication to the output of control air makes the air that has the waste heat can be detained the certain time in heat supply chamber way 21, guarantees the heating effect to hydrogen storage 4. More preferably, the air outlet grille 22 and the energy supply cavity 2 are detachably connected, so as to facilitate maintenance and replacement.

On the other hand, combine fig. 1-4 again, for avoiding interfering, the solid-state hydrogen source of portable fuel cell still includes control chamber 5, control chamber 5 is located the upper portion in energy supply chamber 2, the air feed end 41 of hydrogen storage 4 is located in control chamber 5 to avoid heat supply chamber 21 to cause bad interference to the air feed of hydrogen storage 4. Further, be equipped with gas pipeline 6 in the control chamber 5, the air feed end 41 of storing hydrogen 4 through gas pipeline 6 with battery spare 3 is linked together, provides the energy supply effect, and simultaneously store hydrogen 4 also can form parallelly connected state through gas pipeline 6 and other hydrogen storage 4, gather hydrogen and export battery spare 3 department again to reduce unnecessary laying of gas pipeline 6.

Preferably, a gas inlet pressure gauge 61 and a gas inlet stop valve 62 are arranged at the communication position between the gas pipeline 6 and the gas supply end 41, the gas inlet pressure gauge 61 is used for detecting the gas inlet pressure in real time, and the gas inlet stop valve 62 is used for cutting off the gas inlet flow of the gas pipeline 6; the gas pipeline 6 with the intercommunication department of battery spare 3 is equipped with the manometer 63 of giving vent to anger and gives vent to anger stop valve 64, and the manometer 63 of giving vent to anger is used for the instantaneous detection gas pressure, and the stop valve 64 of giving vent to anger then is used for cutting off the flow of giving vent to anger of gas pipeline 6, and is equipped with relief pressure valve 65 on the manometer 63 of giving vent to anger for stabilize the hydrogen supply pressure of hydrogen storage 4. The air inlet pressure gauge 61, the air inlet stop valve 62, the air outlet pressure gauge 63, the air outlet stop valve 64 and the pressure reducing valve 65 are all exposed out of the control cavity 5, so that an operator can observe and operate conveniently.

Preferably, the control cavity 5 is also exposed with a monitoring display 7, and the monitoring display 7 is connected with the air inlet fan 111, the air inlet pressure gauge 61 and the air outlet pressure gauge 63, and is used for monitoring the rotating speed of the air blowing piece 11, setting an air pressure alarm threshold value and the like, and timely discharging waste heat generated when the battery piece 3 works.

In addition, the solid hydrogen source of portable fuel cell still includes fixed frame 8, electricity generation chamber 1, energy supply chamber 2 and control chamber 5 all establish in fixed frame 8, guarantee that the structure is firm.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A portable solid hydrogen source of fuel cell is characterized in that the portable solid hydrogen source comprises a power generation cavity, an energy supply cavity, a battery piece located in the power generation cavity and a hydrogen storage piece located in the energy supply cavity, wherein a heat supply cavity channel is arranged in the energy supply cavity, the air inlet end of the heat supply cavity channel is communicated with the power generation cavity, the air outlet end of the heat supply cavity channel is communicated with the outside, and the hydrogen storage piece penetrates through each heat supply cavity channel;

2. The solid hydrogen source of portable fuel cell as claimed in claim 1, wherein the blowing member comprises air intake fans arranged at intervals, the position of the air intake fan corresponds to the position of the air intake end of the heat supply cavity, one end of the air intake fan is communicated with the outside, and the other end of the air intake fan is adjacent to the cell member.

3. The solid-state hydrogen source of portable fuel cell as claimed in claim 1, wherein the heat supply channel comprises a partition and a baffle, the partition is arranged at intervals and covers the energy supply cavity, the baffle and the partition are arranged at an included angle, and the hydrogen storage member passes through the partition.

4. The solid-state hydrogen source for portable fuel cells as claimed in claim 3, wherein the separators are connected with each other by connecting rods, and spacing holes are arranged at intervals on the separators, and the hydrogen storage members pass through the spacing holes.

5. The solid hydrogen source of the portable fuel cell as claimed in claim 1, wherein the energy supply chamber is detachably connected with an air outlet grille, the air outlet grille and the blowing member are oppositely arranged, and an air outlet end of the heat supply chamber is communicated with the outside through the air outlet grille.

6. The solid hydrogen source of portable fuel cell as claimed in claim 2, further comprising a control chamber, wherein the control chamber is located at the upper part of the energy supply chamber, the gas supply end of the hydrogen storage member is located in the control chamber, a gas pipeline is arranged in the control chamber, and the gas supply end of the hydrogen storage member is communicated with the battery member through the gas pipeline.

7. The solid hydrogen source for the portable fuel cell as claimed in claim 6, wherein a gas inlet pressure gauge and a gas inlet stop valve are arranged at the connection between the gas pipeline and the gas supply end, a gas outlet pressure gauge, a gas outlet stop valve and a pressure reducing valve arranged on the gas outlet pressure gauge are arranged at the connection between the gas pipeline and the cell, and the gas inlet pressure gauge, the gas inlet stop valve, the gas outlet pressure gauge, the gas outlet stop valve and the pressure reducing valve are all exposed from the control chamber.

8. The solid state hydrogen source of portable fuel cell of claim 7, wherein the control chamber further exposes a monitor display, and the monitor display is connected with the air inlet fan, the air inlet pressure gauge and the air outlet pressure gauge.

9. The portable fuel cell solid state hydrogen source of claim 1, wherein the hydrogen storage member is a metal hydride hydrogen storage tank and the cell member is an air cooled fuel cell stack.

10. The portable fuel cell solid state hydrogen source of claim 6, further comprising a stationary frame, wherein the power generation chamber, the energy supply chamber, and the control chamber are disposed within the stationary frame.