CN214411267U - Integrated end plate device of hydrogen fuel cell engine and integrated end plate - Google Patents
Integrated end plate device of hydrogen fuel cell engine and integrated end plate Download PDFInfo
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- CN214411267U CN214411267U CN202120525201.9U CN202120525201U CN214411267U CN 214411267 U CN214411267 U CN 214411267U CN 202120525201 U CN202120525201 U CN 202120525201U CN 214411267 U CN214411267 U CN 214411267U
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses an integrated end plate device of hydrogen fuel cell engine, including integrated end plate body and built-in integrated water knockout drum, hydrogen runner, oxidant runner and water runner, integrated end plate body front side has set gradually coupling and level sensor, and integrated end plate body downside sets up sensor and drain pipe joint respectively, and integrated end plate body rear side is provided with medium import and hydrogen, oxidant import coupling respectively. The utility model discloses a multi-functional integrated design, the integrated level is high to have anti outside and jolt, automatic drainage, functions such as fault diagnosis, simple structure, suitability are strong, the technical degree of difficulty is low, installation transportation is convenient, manufacturing and maintenance cost are low, are suitable for the scale production.
Description
Technical Field
The utility model belongs to the technical field of fuel cell, concretely relates to an integrated end plate device that is used for hydrogen fuel cell engine module subassembly to and the integrated end plate that forms by a plurality of integrated end plate device series-parallel.
Background
A hydrogen fuel cell is a power generation device that directly converts chemical energy existing in a fuel and an oxidant into electric energy through an electrochemical reaction, and has the advantages of high energy conversion efficiency, high energy density, low vibration noise, zero emission, and the like. Therefore, the hydrogen fuel cell is regarded as a clean and efficient ideal power device in the 21 st century, is an important way for solving the two problems of resource shortage and pollution deterioration, and has wide development and application prospects in the fields of new energy automobiles and green ships.
Because the interface is numerous on the fuel cell module, hydrogen, oxidant and cooling water route have pressure and the temperature sensor that is used for monitoring water, hydrogen, oxidant, through directly linking, need the coupling of a large amount and different length, pipeline (steel pipe and hose etc.), the complicacy is crisscross, and occupation of land space is big, and the risk point is many, leaks gas easily and leaks water, integrates the degree low, and the product is pleasing to the eye not enough.
In patent publication No. CN210224189U, a fuel cell end plate and a fuel cell, a stack is connected with an external medium in a parallel connection mode, so that the assembly quantity of steel pipes is reduced, and the integration level of the system is enhanced. However, this type of assembly is limited to the case where two or more stacks are connected in parallel, and is not suitable for the series connection of the stacks, and the hydrogen cannot be reused.
The end plate and the current collecting plate combination with a current collecting cavity are adopted in the patent No. CN107146904U fuel cell end plate combination, remote end plate combination, inlet end plate combination and galvanic pile, and the fluid through hole of the current collecting plate is removed, so that fluid does not pass through the current collecting plate, and the corrosion of the fluid to the current collecting plate is avoided. But the design is too simple, and the problem of high integration of the system is not fundamentally solved.
Patent No. CN103779586B "a fuel cell end plate" discloses a fuel cell end plate, which is suitable for being disposed at two ends of a fuel cell stack, and includes three parts, namely an outer end plate, a pressure buffer and a pressure dispersion equalizing plate, wherein the pressure buffer is an elastic component and is vertically disposed between the outer end plate and the pressure dispersion equalizing plate. The problems that the local pressure is too large due to uneven stress inside the galvanic pile and the difference of the peripheral appearance size of the galvanic pile is large due to machining errors of parts of the galvanic pile are solved by adjusting the pressure inside the galvanic pile. However, the end plate has a limited function, and is only used as a stack end plate, and cannot play a role in connecting the stack and an external medium.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough of the current utility model, one of the purposes of the utility model is to provide an integrated end plate device for hydrogen fuel cell engine module, have better integrated nature, compact structure.
The utility model provides a technical scheme that its technical problem adopted is: an integrated end plate device of a hydrogen fuel cell engine comprises a cuboid machining engineering plastic plate integrated end plate body, wherein a built-in integrated water separator, a hydrogen flow channel, an oxidant flow channel and a water flow channel are arranged in the integrated end plate body, the hydrogen flow channel, the oxidant flow channel and the water flow channel are communicated with a first electric pile interface and a second electric pile interface, a pipe joint with an O-shaped ring and a liquid level sensor positioned below the pipe joint are sequentially arranged on the front side of the integrated end plate body, the pipe joint comprises a first electric pile cooling water inlet pipe joint, a first electric pile cooling water outlet pipe joint, a second electric pile cooling water inlet pipe joint and a second electric pile cooling water outlet pipe joint which are arranged in parallel, a pressure sensor, a temperature and pressure integrated sensor and a water outlet pipe joint connected with the built-in integrated water separator are respectively arranged on the lower side of the integrated end plate body, the built-in integrated water separator is connected with a first electric pile hydrogen outlet, and after the hydrogen at the first electric pile outlet is separated, dehydrated and dried, the upper liquid level sensor monitors the water level in the liquid collecting cavity, when the liquid level reaches a certain value, the water discharging electromagnetic valve is powered on and closed, the liquid is discharged out of the device through the water discharging pipe joint, the back side of the integrated end plate body is respectively provided with a medium inlet, a hydrogen outlet pipe joint, an oxidant inlet pipe joint, a galvanic pile dioxide outlet pipe joint, a galvanic pile oxidant outlet pipe joint and a hydrogen inlet pipe joint, the hydrogen inlet comprises a galvanic pile one medium inlet, a galvanic pile one medium outlet, a galvanic pile two medium inlet and a galvanic pile two medium outlet which are arranged in parallel, the hydrogen enters the integrated end plate body from the hydrogen inlet pipe joint, firstly enters the galvanic pile one through a hydrogen flow channel, then enters the galvanic pile two through the outlet of the galvanic pile one medium inlet, is dehydrated and dried by the built-in integrated water separator, then is discharged, and the oxidant enters the integrated end plate body from the oxidant inlet pipe joint, the cooling water inlet and outlet respectively enter the first galvanic pile and the second galvanic pile through the shunting oxidant flow passage, and respectively enter and exit the integrated end plate body and the first galvanic pile and the second galvanic pile through the second galvanic pile cooling water inlet pipe joint, the second galvanic pile cooling water outlet pipe joint, the first galvanic pile cooling water inlet pipe joint, the first galvanic pile cooling water outlet pipe joint.
The integrated end plate device of the hydrogen fuel cell engine is characterized in that a plurality of temperature and pressure integrated sensors are respectively arranged at the positions of a hydrogen inlet pipe joint, a galvanic pile dioxide outlet pipe joint and an oxidant inlet pipe joint.
The integrated end plate device of the hydrogen fuel cell engine is characterized in that a liquid level sensor is arranged at a hydrogen outlet of a galvanic pile.
The integrated end plate device of the hydrogen fuel cell engine is provided with a plurality of pressure sensors and pressure sensors which are respectively arranged at a hydrogen inlet pipe joint and a hydrogen outlet pipe joint.
The second purpose of the utility model is to provide an integrated end plate of hydrogen fuel cell engine, form by the connection of a plurality of above-mentioned integrated end plate devices, the hydrogen of two adjacent integrated end plate devices is imported and exported and is established ties, and the oxidant is imported and exported parallelly connected to carry out series connection with a plurality of galvanic piles.
The utility model has the advantages that:
1, the utility model discloses a multi-functional integration formula design through the mode that hydrogen was established ties in each galvanic pile, has improved the hydrogen utilization ratio, reduces the emission, saves the cost.
2, the utility model provides an all couplings are all sealed from taking O type circle, prevent the leakage risk.
And 3, the water separator is arranged inside the integrated end plate in a built-in mode, and the integration degree is high.
4, the utility model discloses an insulating good, corrosion-resistant strong, the hardness high, high temperature resistant, the engineering plastics that the water absorption rate is low, the mechanical properties and the stability of existing metal sheet can solve the easy potential corrosion's of metal drawback again.
5, the utility model discloses can realize integrating of fuel cell system of many galvanic piles.
Drawings
Fig. 1 is a schematic structural view in the main view direction of the present invention;
fig. 2 is a schematic structural view in a top view direction of the present invention;
fig. 3 is a schematic structural view in the bottom view direction of the present invention;
FIG. 4 is a schematic diagram of the system of the present invention;
fig. 5 is a schematic diagram of an integrated end plate assembly system for a hydrogen fuel cell engine (n stack integration).
The figures are numbered: 1-cooling water inlet pipe joint of the second galvanic pile, 2-cooling water outlet pipe joint of the second galvanic pile, 3-cooling water inlet pipe joint of the first galvanic pile, 4-cooling water outlet pipe joint of the first galvanic pile, 5-pressure sensor, 6-temperature and pressure integrated sensor, 7-liquid level sensor, 8-built-in integrated water separator, 9-temperature and pressure integrated sensor, 10-temperature and pressure integrated sensor, 11-pressure sensor, 12-hydrogen outlet pipe joint, 13-oxidant inlet pipe joint, 14-galvanic pile dioxide outlet pipe joint, 15-drain pipe joint, 16-galvanic pile-oxidant outlet pipe joint, 17-hydrogen inlet pipe joint, 18-galvanic pile-medium inlet, 19-galvanic pile-medium outlet, 20-galvanic pile-two-medium inlet, 21-galvanic pile-two-medium outlet, 22-integrated end plate body.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings and examples.
Referring to fig. 1, 2 and 3, the utility model discloses an integrated end plate device of hydrogen fuel cell engine, including the integrated end plate body 22 of cuboid machining engineering plastic slab, there is built-in integrated water knockout drum 8 in the integrated end plate body 22, be used for being connected together external medium and pile, and be used for with pile 1 and pile 2 interface communicating hydrogen runner, oxidant runner and water runner, hydrogen, oxidant and water route communicate with pile one respectively, pile two's interface through the runner, integrated end plate body 22 front side has set gradually the coupling of taking O type circle and the level sensor 7 that is located the coupling below, the coupling include parallel arrangement pile one cooling water inlet pipe joint 3, pile one cooling water outlet pipe joint 4, pile two cooling water inlet pipe joint 1 and pile two cooling water inlet pipe joint 2, integrated end plate body 22 downside is provided with pressure sensor respectively, The device comprises a temperature and pressure integrated sensor and a drain pipe joint 15 connected with the built-in integrated water separator 8, wherein the temperature and pressure integrated sensor 6, the temperature and pressure integrated sensor 9 and the temperature and pressure integrated sensor 10 are respectively arranged at the positions of a hydrogen inlet pipe joint 17, a galvanic pile dioxide outlet pipe joint 14 and an oxidant inlet pipe joint 13. The liquid level sensor 7 is arranged at a hydrogen outlet of the galvanic pile, the pressure sensor 5 and the pressure sensor 11 are respectively arranged at a hydrogen inlet pipe joint 17 and a hydrogen outlet pipe joint 12, the built-in integrated water separator 8 is connected at the hydrogen outlet of the galvanic pile, after the hydrogen at the outlet of the galvanic pile is subjected to gas-water separation and dehydration, the liquid level sensor 7 on the liquid level sensor monitors the water level in a liquid collecting cavity, when the liquid level reaches a certain value, the water discharge electromagnetic valve is powered on and closed, the water is discharged out of the device through a water discharge pipe joint 15, the rear side of the integrated end plate body 22 is respectively provided with a medium inlet, a hydrogen outlet pipe joint 12, an oxidant inlet pipe joint 13, a galvanic pile dioxide outlet pipe joint 14, a galvanic pile-oxidant outlet pipe joint 16 and a hydrogen inlet pipe joint 17 which are arranged above the medium inlet and are arranged in parallel, and the medium inlet comprises a galvanic pile-medium inlet 18, a galvanic pile-hydrogen outlet pipe joint 16 and a hydrogen inlet pipe joint 17 which are arranged in parallel, Hydrogen enters the integrated end plate from a hydrogen inlet pipe joint 17, firstly enters the first galvanic pile through a hydrogen flow channel, then enters the second galvanic pile through the outlet of the first galvanic pile, is dehydrated and dried by a built-in integrated water separator 8 and then is discharged, oxidant enters the integrated end plate flow channel from an oxidant inlet pipe joint 13 and respectively enters the first galvanic pile and the second galvanic pile through a shunt oxidant flow channel, and a cooling water inlet and a cooling water outlet respectively enter the integrated end plate through a cooling water inlet pipe joint 1 of the second galvanic pile, a cooling water outlet pipe joint 2 of the second galvanic pile, a cooling water inlet pipe joint 3 of the first galvanic pile, a cooling water outlet pipe joint 4 of the first galvanic pile, and enter and exit the integrated end plate as well as the first galvanic pile and the second galvanic pile.
Referring to fig. 4, the technical principle of the present invention is explained as follows in conjunction with the structure of the present invention:
hydrogen gas circuit: the hydrogen paths are connected in series. Hydrogen (gas source) enters a hydrogen flow channel of the integrated end plate body 22 from a hydrogen inlet pipe joint 17 and then enters a hydrogen inlet of the first galvanic pile, an outlet of the hydrogen (gas source) is connected with a built-in integrated water separator 8 to dehydrate and dry the residual hydrogen and then enters a hydrogen inlet of the second galvanic pile, and an outlet of the hydrogen (gas source) is discharged out of a module of the integrated end plate body 22 through a hydrogen outlet pipe joint 12.
Oxidant route: the oxidant paths are connected in parallel. The oxidant enters the integrated end plate body 22 from the oxidant inlet pipe joint 13, then enters the first galvanic pile and the second galvanic pile respectively through the split flow channels, then passes through the galvanic pile dioxide outlet pipe joint 14 and the galvanic pile-oxidant outlet pipe joint 16, and is combined into a path outside the integrated end plate body 22 to be discharged.
Water path: the cooling water path adopts an independent connection mode. There are 4 condenser tube connectors on the integrated end plate body 22: and the galvanic pile second cooling water inlet pipe joint 1, the galvanic pile second cooling water outlet pipe joint 2, the galvanic pile first cooling water inlet pipe joint 3 and the galvanic pile first cooling water outlet pipe joint 4 are respectively used for connecting cooling water paths of the galvanic pile first and the galvanic pile second. And the pipe joints are respectively provided with a temperature and pressure integrated sensor for detecting the working state of the cooling water of the galvanic pile.
The utility model discloses an engineering plastics is chooseed for use to integrated end plate, has advantages such as sufficient intensity, insulating good, corrosion resisting capability is strong, through setting up integrated form water knockout drum in inside, has functions such as water diversion, drainage, running state detection, and simple structure, suitability are strong, the technical degree of difficulty is low, installation transportation is convenient, manufacturing and maintenance cost are low, are suitable for large-scale production.
The utility model discloses the device can not only realize the runner integration and pressure, the temperature state monitoring of hydrogen, oxidant, water, effectively increases fuel cell module's integrated level, still through the mode of series connection galvanic pile, with hydrogen utilization ratio maximize.
The utility model discloses a system development to two galvanic piles also can warp and upgrade on this basis, for example include 3 galvanic piles in the system, under 4 galvanic piles the condition of establishing ties, the schematic diagram is as shown in fig. 5, a plurality of integrated end plate device are connected and are formed, the hydrogen import and export of two adjacent integrated end plate devices are established ties, the oxidant is imported and exported parallelly, integrated end plate device can be used to the condition that 2n (n > 1) galvanic piles were established ties when all connecting galvanic pile one and galvanic pile two, integrated end plate device can be used to the condition that 2n +1 (n > 1) galvanic pile were established ties when all connecting galvanic pile one or galvanic pile two.
On the basis of the volume of the integrated end plate, the volume of the integrated end plate is increased along with the increase of the number of the fuel cell stacks, and the volume energy density of the fuel cell stacks must be increased if the fuel cell stacks are developed to be compact and small.
The above embodiments are merely illustrative of the principles and effects of the present invention, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (5)
1. An integrated end plate device of a hydrogen fuel cell engine, characterized in that: the integrated end plate comprises a cuboid integrated end plate body (22), wherein a built-in integrated water separator (8), a hydrogen flow channel, an oxidant flow channel and a water flow channel are arranged in the integrated end plate body (22), a pipe joint with an O-shaped ring and a liquid level sensor (7) positioned below the pipe joint are sequentially arranged on the front side of the integrated end plate body (22), the pipe joint comprises a galvanic pile first cooling water inlet pipe joint (3), a galvanic pile first cooling water outlet pipe joint (4), a galvanic pile second cooling water inlet pipe joint (1) and a galvanic pile second cooling water outlet pipe joint (2) which are arranged in parallel, a pressure sensor, a temperature and pressure integrated sensor and a water discharge pipe joint (15) connected with the built-in integrated water separator (8) are respectively arranged on the lower side of the integrated end plate body (22), the built-in integrated water separator (8) is connected with a galvanic pile first hydrogen outlet, a medium inlet and a hydrogen outlet pipe joint (12) and a water separation pipe joint (12) positioned above the medium inlet are respectively arranged on the rear side of the integrated end plate body (22), The fuel cell stack oxidant inlet pipe joint comprises an oxidant inlet pipe joint (13), a stack oxidant outlet pipe joint (14), a stack-oxidant outlet pipe joint (16) and a hydrogen inlet pipe joint (17), wherein the medium inlet comprises a stack-medium inlet (18), a stack-medium outlet (19), a stack-medium inlet (20) and a stack-medium outlet (21) which are arranged in parallel.
2. The integrated end plate device of a hydrogen fuel cell engine according to claim 1, wherein a plurality of temperature and pressure integrated sensors are respectively arranged at the hydrogen inlet pipe joint (17), the stack dioxide outlet pipe joint (14) and the oxidant inlet pipe joint (13).
3. A hydrogen fuel cell engine integrated end plate arrangement according to claim 1, characterized in that said level sensor (7) is arranged at a stack-hydrogen outlet.
4. A hydrogen fuel cell engine end plate assembly according to claim 1, wherein said pressure sensors are plural and are respectively disposed at the hydrogen gas inlet pipe joint (17) and the hydrogen gas outlet pipe joint (12).
5. An integrated end plate of a hydrogen fuel cell engine, characterized in that it is formed by connecting a plurality of integrated end plate arrangements according to any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120525201.9U CN214411267U (en) | 2021-03-12 | 2021-03-12 | Integrated end plate device of hydrogen fuel cell engine and integrated end plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120525201.9U CN214411267U (en) | 2021-03-12 | 2021-03-12 | Integrated end plate device of hydrogen fuel cell engine and integrated end plate |
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| CN214411267U true CN214411267U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113948735A (en) * | 2021-10-21 | 2022-01-18 | 上海捷氢科技有限公司 | Fuel cell and fuel cell end plate assembly thereof |
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2021
- 2021-03-12 CN CN202120525201.9U patent/CN214411267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113948735A (en) * | 2021-10-21 | 2022-01-18 | 上海捷氢科技有限公司 | Fuel cell and fuel cell end plate assembly thereof |
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