CN212625687U - Hydrogen leakage safety protection system and hydrogen energy emergency power generation vehicle - Google Patents
Hydrogen leakage safety protection system and hydrogen energy emergency power generation vehicle Download PDFInfo
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- CN212625687U CN212625687U CN202021026492.9U CN202021026492U CN212625687U CN 212625687 U CN212625687 U CN 212625687U CN 202021026492 U CN202021026492 U CN 202021026492U CN 212625687 U CN212625687 U CN 212625687U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model discloses a hydrogen leaks safety protection system and emergent electricity generation car of hydrogen energy relates to emergent electricity generation car equipment technical field, and hydrogen leaks safety protection system and includes the initiative protection casing, the inside independent hydrogen that has of initiative protection casing leaks and gathers space and independent hydrogen leakage emission space, hydrogen leaks the emission space and is located hydrogen leakage and gathers space top, hydrogen leakage is gathered and is provided with the ventilation zone between space top and the hydrogen leakage emission space, makes hydrogen leakage gather space and hydrogen leakage emission space and communicates with each other, be provided with on the initiative protection casing and make hydrogen leakage emission space and external communicating ventilation structure. The utility model discloses a hydrogen leaks safety protection system and emergent electricity generation car of hydrogen energy, in the transportation of hydrogen, storage, use, can effectively reduce the problem that causes the fire or explode because of the leakage of hydrogen.
Description
Technical Field
The utility model relates to an emergent power-generating car equipment technical field, in particular to hydrogen leaks safety protection system and emergent power-generating car of hydrogen energy.
Background
In the fields of power interruption, sudden accidents or temporary specific power supply places and the like, the mobile emergency power generation car is an effective power supply mode. At present, a power supply mode based on a mobile emergency power generation car is mainly a power supply mode of a diesel generator set, and the power supply mode is high in noise and easy to cause environmental pollution. In order to solve the defects, various new energy mobile emergency power generation vehicles are produced in recent years.
The fuel cell power generation technology based on hydrogen energy is widely accepted in the global scope as a new generation clean energy, and the emergency power generation vehicle of the system has mature cases in the fields of standby power supply for communication and the like at present.
The safety performance of the new energy system needs to be considered firstly, and hydrogen is flammable, explosive and volatile, so that the leakage of hydrogen is difficult to avoid in the transportation, storage and use processes of hydrogen, and therefore, the active protection after the leakage is very important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydrogen leaks safety protection system and emergent power-generating car of hydrogen energy to in the transportation of hydrogen, storage, use, the leakage of hydrogen causes the problem of fire or explosion easily.
The above object of the present invention is achieved by the following technical solutions:
the hydrogen leakage safety protection system comprises an active protection shell, wherein an independent hydrogen leakage accumulation space and an independent hydrogen leakage discharge space are arranged in the active protection shell, the hydrogen leakage discharge space is positioned above the hydrogen leakage accumulation space, a ventilation area is arranged between the top of the hydrogen leakage accumulation space and the hydrogen leakage discharge space, so that the hydrogen leakage accumulation space is communicated with the hydrogen leakage discharge space, and a ventilation structure for communicating the hydrogen leakage discharge space with the outside is arranged on the active protection shell.
By adopting the technical scheme, the hydrogen fuel cell power generation system of the vehicle-mounted hydrogen system is arranged in the hydrogen leakage accumulation space, and the hydrogen storage system is arranged in the hydrogen leakage discharge space; if hydrogen leaks from the hydrogen fuel cell power generation system, the hydrogen floats upwards in the hydrogen leakage accumulation space, enters the hydrogen leakage discharge space through the vent hole, is discharged out of the carriage from the shutter and cannot be retained in the independent hydrogen leakage accumulation space; if the hydrogen storage system leaks, hydrogen is discharged to the atmosphere through the shutter and cannot be accumulated in the hydrogen storage space; the hydrogen leakage safety protection system can rapidly discharge hydrogen leaked from the vehicle-mounted hydrogen system out of the system, so that potential safety hazards caused by hydrogen leakage are reduced.
The utility model discloses further set up to: the top of the hydrogen leak accumulation space is disposed obliquely toward the vent region.
Through adopting above-mentioned technical scheme, when hydrogen leaked to gather the interior come-up of space, can assemble to vent along independent casing top inclined plane for hydrogen gathers speed, shortens hydrogen exhaust time.
The utility model discloses further set up to: and a guide structure for guiding hydrogen to the ventilation structure is arranged on the inner top surface of the hydrogen leakage discharge space.
Through adopting above-mentioned technical scheme, hydrogen can be followed the guide structure surface and towards carriage ventilation structure department gathering, discharges rapidly through the ventilation structure and goes in the atmosphere, avoids hydrogen to stay.
The utility model discloses further set up to: the ventilation zone is positioned adjacent to the ventilation structure.
Through adopting above-mentioned technical scheme, the carriage that can directly discharge through the ventilation structure from the hydrogen that discharges in the hydrogen leakage accumulation space is outside, accelerates the discharge of hydrogen leakage accumulation space leakage hydrogen.
The above object of the present invention is achieved by the following technical solution:
a hydrogen energy emergency power generation vehicle comprises a compartment, a hydrogen storage system and a hydrogen fuel cell power generation system, wherein the compartment is an active protection shell; a hydrogen leakage accumulation space and a hydrogen leakage discharge space are arranged in the carriage, and the hydrogen storage system is arranged in the hydrogen leakage discharge space; the hydrogen fuel cell power generation system is installed in the hydrogen leakage accumulation space.
Through adopting above-mentioned technical scheme, the hydrogen guide initiative of following the carriage structure to hydrogen storage system, hydrogen fuel cell power generation system leakage is discharged to play the guard action, make the carriage effectively provide safe guarantor's electric service, guarantee on-vehicle hydrogen system's safety.
The utility model discloses further set up to: the height of the hydrogen leakage discharge space from the ground is not less than 3 m.
Through adopting above-mentioned technical scheme, hydrogen leakage discharge space is greater than 3 meters apart from ground height, and hydrogen storage system installs in hydrogen leakage discharge space, can effectively avoid because of the danger that the vehicle collision produced of going on a journey.
The utility model discloses further set up to: the top of the carriage is provided with a pressure relief opening, and a sealing cover is embedded in the pressure relief opening; the hydrogen storage system is communicated with a pressure relief pipeline, a safety valve is mounted on the pressure relief pipeline, and the output end of the pressure relief pipeline is located in the pressure relief opening.
By adopting the technical scheme, the sealing cover is embedded on the pressure relief opening to prevent rain in daily life; when in pressure relief, redundant pressure is directly released through the pressure relief pipeline, the sealing cover is synchronously flushed by the pressure, and the pressure is discharged out of the vehicle, so that the pressure relief design has no potential safety hazard to personnel and other facilities, and the safety of the hydrogen cylinder is ensured.
The utility model discloses further set up to: and an anti-static dragging zone is arranged at the bottom of the tail of the hydrogen energy emergency power generation vehicle.
By adopting the technical scheme, the anti-static dragging zone enables the carriage to be connected with the ground, so that potential safety hazards caused by static electricity to leaked hydrogen in storage or use are avoided.
The utility model discloses further set up to: an interlayer is arranged in the plate of the carriage body, and a heat-insulating flame-retardant material is filled in the interlayer.
By adopting the technical scheme, on one hand, the heat-insulating and flame-retardant material improves the overall heat-insulating performance of the carriage and reduces the influence of the external environment on the internal temperature of the carriage; on the other hand, the flame retardant property of the carriage is improved, so that greater potential safety hazards are prevented when accidents happen.
To sum up, the utility model discloses following beneficial effect has:
1. the leakage hydrogen is guided structurally by arranging the independent hydrogen leakage accumulation space and the independent hydrogen leakage discharge space, so that the leakage hydrogen is quickly circulated and discharged in the hydrogen leakage accumulation space and the hydrogen leakage discharge space, a protection effect is achieved, and the safety of a vehicle-mounted hydrogen system is guaranteed;
2. the pressure relief port is arranged on the carriage, the pressure relief pipeline is arranged in the hydrogen storage system, and redundant pressure is directly released through the pressure relief pipeline, so that the safety of the hydrogen storage system is ensured from the pressure relief angle, and the safety of the vehicle-mounted hydrogen system is ensured;
3. through carrying out the improvement in the aspect of explosion-proof antistatic fire-retardant to the emergent electricity generation car of hydrogen energy for the emergent electricity generation car of hydrogen energy factor of safety aspect effectively reduces the possibility that takes place the hydrogen explosion, has ensured the safety of emergent electricity generation car, is favorable to accelerating the positive development that the hydrogen energy was used.
Drawings
FIG. 1 is a front view of a vehicle compartment in the embodiment;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a plan view of the vehicle compartment in the embodiment;
FIG. 5 is a schematic structural view of a pressure relief opening in the embodiment.
In the figure, 1, a vehicle compartment; 11. a separate housing; 12. a partition plate; 13. a vent hole; 14. a pressure relief port; 15. a compartment door; 2. a hydrogen gas cylinder; 3. a pressure relief duct; 4. a hydrogen leakage accumulation space; 5. a hydrogen leakage discharge space; 51. a guide structure; 6. a ventilation structure; 7. and (7) sealing the cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The safety of the hydrogen energy emergency power generation vehicle mainly refers to the safety of a vehicle-mounted hydrogen system, and the vehicle-mounted hydrogen system comprises a hydrogen storage system, a hydrogen fuel cell power generation system and the like. In order to provide safe electricity protection service, the utility model discloses carry out explosion-proof anti-static design from aspects such as the carriage structure of the emergent electricity generation car of hydrogen energy source, use material. The specific implementation mode is as follows:
a hydrogen energy emergency power generation vehicle is shown in figures 1 to 3 and comprises a carriage 1, wherein a hydrogen fuel cell power generation system installation area, other equipment installation areas, an operation channel and a hydrogen storage system installation area are divided in the carriage 1, and the hydrogen fuel cell power generation system installation area is separated by an independent shell 11 to form an independent hydrogen leakage accumulation space 4 which is completely isolated from the other equipment installation areas and the operation channel; the hydrogen storage system installation area divides the inside of the vehicle compartment 1 into the separate hydrogen leakage discharge space 5 by a horizontally arranged partition 12, and the hydrogen leakage discharge space 5 is located above the hydrogen leakage accumulation space 4, other equipment installation areas, and operation passages.
A hydrogen fuel cell power generation system of the vehicle-mounted hydrogen system is installed in the hydrogen leakage accumulation space 4, and a hydrogen storage system is installed in the hydrogen leakage discharge space 5.
The top end of the independent shell 11 is abutted against the partition plate 12, the top end of the independent shell and the partition plate are provided with a plurality of vent holes 13 in a penetrating way, and the vent holes 13 form a vent area so that the hydrogen leakage accumulation space 4 is communicated with the hydrogen leakage discharge space 5; the compartment 1 is also provided with a ventilation structure 6 for communicating the hydrogen leakage discharge space 5 with the external environment, and the ventilation structure 6 is selected as a louver in the present embodiment.
Thus, if there is hydrogen leakage in the hydrogen fuel cell power generation system, the hydrogen floats up in the hydrogen leakage accumulation space 4, enters the hydrogen leakage discharge space 5 through the vent hole 13, and is finally discharged out of the vehicle cabin 1 through the shutter without staying in the independent hydrogen leakage accumulation space 4; if the hydrogen storage system leaks, hydrogen is discharged to the atmosphere through the shutter and does not accumulate in the hydrogen storage space, thereby reducing the possibility of danger.
Furthermore, the top of the independent shell 11 is obliquely arranged towards the vent hole 13, and when the hydrogen floats upwards in the hydrogen leakage accumulation space 4, the hydrogen can be converged to the vent hole 13 along the inclined surface at the top of the independent shell 11, so that the hydrogen accumulation speed is accelerated, and the hydrogen discharge time is shortened; correspondingly, the inner top surface of the hydrogen leakage discharge space 5 is provided with a guide structure 51 for guiding hydrogen to the ventilation structure 6; in this embodiment, the ventilation structures 6 are disposed on two sides of the carriage 1, the guiding structure 51 is an arc structure with a low middle and two high sides, and hydrogen can be gathered towards two sides of the carriage 1 along the arc curved surface and is rapidly discharged to the atmosphere through the ventilation structures 6 on two sides of the carriage 1, so that hydrogen accumulation is avoided.
Further, the vent hole 13 is located close to the ventilation structure 6, so that the hydrogen gas discharged from the hydrogen leakage accumulation space 4 can be discharged directly through the ventilation structure 6 outside the vehicle compartment 1, and the discharge of the hydrogen leakage from the hydrogen leakage accumulation space 4 is accelerated.
The carriage 1, the hydrogen leakage accumulation space 4 and the hydrogen leakage discharge space 5 form a hydrogen leakage safety protection system, and the hydrogen leaked from the hydrogen storage system and the hydrogen fuel cell power generation system is guided and actively discharged from the carriage 1, so that a protection effect is achieved, the carriage 1 effectively provides a safety electricity-protecting service, and the safety of a vehicle-mounted hydrogen system is guaranteed.
In this embodiment, the car 1 serves as an active protection housing of the hydrogen leakage safety protection system, but the active protection housing of the hydrogen leakage safety protection system is not limited to the car 1, and may be any similar box such as a container.
The height of the hydrogen leakage discharge space 5 from the ground is more than 3 meters, and the hydrogen storage system is arranged in the hydrogen leakage discharge space 5, namely arranged at the top of the carriage 1, so that the danger caused by the collision of vehicles in a trip can be effectively avoided.
The hydrogen storage system mainly comprises a hydrogen cylinder 2 and a hydrogen pipeline, the emergency power generation vehicle generally works outdoors, when the emergency power generation vehicle is used in summer with high temperature, the temperature in the carriage 1, particularly the top of the carriage 1, can rise along with the rise of the outdoor environment temperature, so that the temperature of the hydrogen cylinder 2 also rises, the internal pressure of the hydrogen cylinder 2 increases, and certain potential safety hazards exist.
Referring to fig. 4 and 5, a pressure relief pipeline 3 is communicated with the hydrogen pipeline, and a safety valve is installed on the pressure relief pipeline 3; a pressure relief opening 14 is additionally arranged at the top of the carriage 1, a plastic sealing cover 7 is embedded in the pressure relief opening 14, and the output end of the pressure relief pipeline 3 extends into the pressure relief opening 14 and corresponds to the sealing cover 7.
If the pressure of the hydrogen cylinder 2 is higher than the set value of the pressure valve due to high temperature, the pressure valve is opened, redundant pressure can be directly released through the pressure relief pipeline 3, the sealing cover 7 can be opened by the pressure during pressure relief, and due to the pressure relief design of upwards discharging the outside of the vehicle, potential safety hazards to personnel and other facilities do not exist, and the safety of the hydrogen cylinder 2 is ensured. Here, the safety of the system is guaranteed in terms of pressure relief of the hydrogen storage system.
The explosion-proof design of the hydrogen energy emergency power generation vehicle is mainly embodied from the selection of explosion-proof accessories, for example, an explosion-proof lamp is selected as an illumination system of the emergency power generation vehicle, and an explosion-proof device is used as a travel switch of a carriage door 15.
The anti-static design of the hydrogen energy emergency power generation vehicle comprises the steps that an anti-static dragging zone is arranged at the bottom of the tail of the emergency power generation vehicle, so that a carriage 1 is connected with the ground; the carriage door 15 and the equipment door are both connected with the shell by adopting ground wires; the floor mat of the internal passage of the carriage 1 is made of antistatic silica gel material; the tail of the carriage 1 is provided with an anti-static metal ball which can remove static electricity carried by a human body before going.
The flame-retardant design of the hydrogen energy emergency power generation vehicle is mainly characterized in that a carriage 1 is filled with flame-retardant heat-insulation materials, such as rock wool; specifically, an interlayer is arranged in the plate material of the carriage body of the carriage 1, and the interlayer is filled with a flame-retardant heat-insulating material so as to improve the overall flame retardance of the carriage 1.
To sum up, the utility model discloses hydrogen leakage problem has been solved effectively to reduce the possibility that takes place the hydrogen explosion, make the whole aspect of factor of safety improve, guarantee emergency power generation car's safety, with the positive development of accelerating the hydrogen energy and using.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a hydrogen leaks safety protection system which characterized in that: including the initiative protection casing, the inside independent hydrogen that has of initiative protection casing leaks and gathers space (4) and independent hydrogen and leaks discharge space (5), hydrogen leaks and gathers space (5) and is located hydrogen and leaks and gather space (4) top, be provided with the breather area between hydrogen leaks and gathers space (4) top and hydrogen and leaks discharge space (5), make hydrogen leak and gather space (4) and hydrogen leak and discharge space (5) and communicate with each other, be provided with on the initiative protection casing and make hydrogen leak and discharge space (5) and external communicating ventilation structure (6).
2. A hydrogen leak safety protection system according to claim 1, wherein: the top of the hydrogen leakage accumulation space (4) is inclined toward the ventilation zone.
3. A hydrogen leakage safety protection system according to claim 1 or 2, wherein: the inner top surface of the hydrogen leakage discharge space (5) is provided with a guide structure (51) for guiding hydrogen to the ventilation structure (6).
4. A hydrogen leak safety protection system according to claim 1, wherein: the ventilation zone is located close to the ventilation structure (6).
5. The utility model provides a hydrogen energy emergency power generation car which characterized in that: comprising a compartment (1), a hydrogen storage system and a hydrogen fuel cell power generation system, wherein the compartment (1) is an active protection shell according to one of claims 1 to 4; a hydrogen leakage accumulation space (4) and a hydrogen leakage discharge space (5) are arranged in the carriage (1), and the hydrogen storage system is arranged in the hydrogen leakage discharge space (5); the hydrogen fuel cell power generation system is installed in a hydrogen leakage accumulation space (4).
6. The emergency hydrogen energy generation vehicle according to claim 5, wherein: the height of the hydrogen leakage discharge space (5) from the ground is not less than 3 m.
7. The emergency hydrogen energy generation vehicle according to claim 5, wherein: the top of the carriage (1) is provided with a pressure relief opening (14), and a sealing cover (7) is embedded in the pressure relief opening (14); the hydrogen storage system is communicated with a pressure relief pipeline (3), the pressure relief pipeline (3) is provided with a safety valve, and the output end of the pressure relief pipeline (3) is positioned in a pressure relief opening (14).
8. The emergency hydrogen energy generation vehicle according to claim 5, wherein: and an anti-static dragging zone is arranged at the bottom of the tail of the hydrogen energy emergency power generation vehicle.
9. The emergency hydrogen energy generation vehicle according to claim 5, wherein: an interlayer is arranged in the carriage body plate of the carriage (1), and a heat-insulating flame-retardant material is filled in the interlayer.
10. The emergency hydrogen energy generation vehicle according to claim 5, wherein: the lighting system of the hydrogen energy emergency power generation vehicle is selected as an explosion-proof lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026492.9U CN212625687U (en) | 2020-06-06 | 2020-06-06 | Hydrogen leakage safety protection system and hydrogen energy emergency power generation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026492.9U CN212625687U (en) | 2020-06-06 | 2020-06-06 | Hydrogen leakage safety protection system and hydrogen energy emergency power generation vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN212625687U true CN212625687U (en) | 2021-02-26 |
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| CN202021026492.9U Active CN212625687U (en) | 2020-06-06 | 2020-06-06 | Hydrogen leakage safety protection system and hydrogen energy emergency power generation vehicle |
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