CN218731074U

CN218731074U - Combined heat and power system of fuel cell

Info

Publication number: CN218731074U
Application number: CN202221891875.1U
Authority: CN
Inventors: 李新明; 徐洲; 张松
Original assignee: Beijing Sinohytec Co Ltd
Current assignee: Beijing Sinohytec Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-03-24
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to a fuel cell technical field specifically discloses a fuel cell's cogeneration system, and this system includes box, fuel cell module, heat dissipation module and contravariant module, the box divides fuel cell cabin and contravariant energy storage cabin, the fuel cell cabin is located the box front portion, contravariant energy storage cabin is located the box rear portion, the fuel cell cabin separates through the baffle with contravariant energy storage cabin, and wherein fuel cell cabin bottom is fuel cell module, top for heat dissipation module, and contravariant module is located contravariant energy storage cabin. The whole combined heat and power system adopts a subdivision and layered design, integrates an engine, inverter equipment and heat dissipation and heat exchange equipment into a module, realizes that hydrogen energy is converted into direct current, and direct current inversion is industrial alternating current power and heat exchange equipment heat exchange, and reduces the maintenance difficulty of the system while improving the energy utilization rate.

Description

Combined heat and power system of fuel cell

Technical Field

The utility model relates to a fuel cell technical field, concretely relates to fuel cell's cogeneration system.

Background

Hydrogen fuel cell engines, as the core components of hydrogen fuel cell vehicles, have been widely used in the automotive industry. Since the products of hydrogen and oxygen combination are only water, electricity and waste heat, they are considered as alternative energy sources to fossil energy and are highly regarded by the world. Under the guidance of double-carbon target directions in China, hydrogen energy becomes a new carrier of an energy supply system with the advantages of high compression ratio, less energy attenuation, wide source, convenience for large-scale storage, cleanness, no pollution and the like, and is powerful assistance for realizing energy upgrading and transformation.

The renewable energy sources such as photovoltaic energy, wind power and the like have large fluctuation caused by environmental influence, the problems of 'light abandoning' and 'wind abandoning' always exist in an energy system, hydrogen energy is used as ideal clean energy and becomes an important carrier for solving energy crisis and environmental problems, and in the future development process, the solar energy and the wind energy with large fluctuation are used for generating electricity, and hydrogen is produced by using electrolyzed water, so that the flexibility of a power grid can be improved, a green industrial chain is prolonged, and zero carbon emission in the true sense is realized.

The existing uninterruptible power supply equipment mostly adopts the forms of standby battery equipment, diesel power generation equipment and the like. The energy supply brings additional environmental problems and more energy loss, and the requirement on the supply of a power grid is more in the peak period of power utilization, so that the conditions of feed, power failure or unstable voltage are easily caused. The existing standby power supply equipment has the condition of long-term stored electric energy loss, and has the disadvantages of high environmental noise, much pollution emission and low energy utilization rate during the power supply operation of the equipment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a fuel cell's cogeneration system, through getting up engine, contravariant equipment and heat-radiating equipment integration and forming cogeneration system, improve energy utilization and rate, reduce carbon and discharge.

In order to achieve the technical effect, the utility model discloses take following technical scheme:

a co-generation system for a fuel cell, comprising:

the box body is divided into a fuel cell cabin and an inversion energy storage cabin, the fuel cell cabin is positioned at the front part of the box body, the inversion energy storage cabin is positioned at the rear part of the box body, and the fuel cell cabin and the inversion energy storage cabin are separated by a partition plate;

a fuel cell module located at the fuel cell compartment bottom;

a heat dissipation module located at the top of the fuel cell compartment;

the inversion module is positioned in the inversion energy storage cabin.

Furthermore, a forced draft fan and a hydrogen concentration sensor are arranged in the fuel cell cabin and used for reducing the temperature in the cabin body and monitoring the hydrogen concentration in the fuel cell cabin.

Further, the fuel cell module includes: an engine, an air filter, an air flow meter, a hot water heat exchanger, a hydrogen pressure reducing device, a distribution box, a controller, an insulation resistance detector, a pipeline and a bracket, a wire harness and a metal bracket,

wherein, each part of the fuel cell module is integrated on the metal bracket and is connected with the box body through the foot fixing holes arranged at four corners, thereby facilitating the maintenance and assembly of each part in the module.

Further, the heat dissipation module includes: a radiator, an auxiliary dispersion circulating water pump, an expansion water tank, an auxiliary dispersion water tank, a fan controller, a temperature sensor, a particle filter, a pipeline and a bracket, a wire harness, a metal bracket, a distribution box and a deionization tank,

each part of the heat dissipation module is integrated on the metal bracket, the heat dissipation module is connected with the box body through the foundation fixing holes arranged at the four corners, and the foundation fixing holes arranged at the four corners are connected with the box body through bolts, so that heat can be conveniently discharged outwards.

Furthermore, a split double-folded flap cabin door is arranged at the lower part of the fuel cell cabin and is used for assembling, overhauling and protecting each part in the cabin;

a hydraulic support rod small door is arranged on one side of the distribution box of the heat dissipation module and used for fuse replacement and maintenance of the distribution box;

and the inversion energy storage cabin is provided with three doors for protecting and overhauling the box body.

Further, the fuel cell module with be provided with the slope baffle between the heat dissipation module, the lowest department of slope baffle is provided with water drainage pipe, water drainage pipe extends to the bottom half, required pencil and pipeline parallel arrangement are at the box inner wall between each module in the box.

The beneficial effects of the utility model include at least:

1. the utility model provides a combined heat and power system for fuel cell, which integrates the engine, the direct current-to-alternating current inversion equipment and the heat dissipation and heat exchange equipment into a module, realizes the conversion of hydrogen energy into direct current, the inversion of direct current into industrial alternating current power and the heat exchange of heat exchange equipment, and reduces carbon emission while fully improving the utilization rate of energy; 2. the utility model provides a combined heat and power system of fuel cell, through integrated design, adopt subdivision, layer arrangement, to a great extent improve the standardization of this system and the integrated level of product, each module is through designing the opening, is favorable to the accurate counter point maintenance of product, has improved the rate of utilization of system, practices thrift the cost; 3. the utility model provides a pair of fuel cell's cogeneration system, subdivision and the layering that this system took are arranged and can be simplified the pipeline trend, reduce the maintenance degree of difficulty, and can improve the security of system.

Drawings

Fig. 1 is a front view of a cogeneration system for a fuel cell according to the present invention;

fig. 2 is a left side view of a co-generation system of a fuel cell according to the present invention;

fig. 3 is a heat dissipation block diagram of a cogeneration system for a fuel cell according to the present invention;

fig. 4 is a fuel cell module diagram of a cogeneration system of a fuel cell according to the present invention;

fig. 5 is a schematic diagram of an inversion module of a cogeneration system of a fuel cell according to the present invention.

Description of reference numerals:

1. a box body; 1.1, opening a double-folded page cabin door; 1.2, a hydraulic support rod small door; 2. a fuel cell module; 2.1, fuel cell engine; 2.2, an air filter; 2.3, an air flow meter; 2.4, a hot water heat exchanger; 2.5, a hydrogen pressure reducing device; 2.6, a distribution box; 2.7, a controller; 2.8, an insulation resistance detector; 2.9, pipelines and supports; 2.10, a wire harness; 2.11, a metal bracket; 3. a heat dissipation module; 3.1, a fuel cell radiator; 3.2, an auxiliary radiator; 3.3, a scattered circulating water pump is assisted; 3.4, a fuel cell expansion water tank; 3.5, a water dispersing auxiliary tank; 3.7, a temperature sensor; 3.8, a particle filter; 3.9, pipelines and brackets; 3.10, wiring harness; 3.11, a metal bracket; 3.12, a distribution box; 3.13, a deionization tank; 4. an inversion module; 5. a partition plate; 6. a forced draft fan; 7. a hydrogen concentration sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will be made in conjunction with the embodiments and drawings of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "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 simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention in which the terms "plurality" or "plurality" mean two or more unless otherwise specified.

As shown in fig. 1 to 5, the present invention provides a cogeneration system for a fuel cell, comprising:

the box body 1 comprises a fuel cell cabin and an inversion energy storage cabin, wherein the fuel cell cabin is positioned at the front part of the box body, and the inversion energy storage cabin is positioned at the rear part of the box body;

a fuel cell module 2, the fuel cell module 2 being located at the fuel cell compartment bottom;

the heat dissipation module 3 is positioned at the top of the fuel cell cabin;

and the inversion module 4 is positioned in the inversion energy storage cabin.

The fuel cell cabin is separated from the inversion energy storage cabin through the partition plate 5, so that hydrogen safety accidents caused by hydrogen flowing to the inversion cabin in the fuel cell cabin are avoided.

The fuel cell module 2, the heat dissipation module 3 and the inversion module 4 are connected through a wire harness and a pipeline, and the wire harness and the pipeline required among the modules are arranged on the inner wall of the box body in parallel.

Wherein, be provided with the slope baffle between fuel cell module 2 and the radiating module 3, can effectively avoid the top rainwater to get into the fuel cell cabin body in a large number, the lowest department of slope baffle is provided with water drainage pipe, and water drainage pipe extends to the bottom half.

Wherein, the fuel cell cabin is also provided with a forced draft fan 6 and a hydrogen concentration sensor 7, the former is used for reducing the temperature in the cabin body, and the latter is used for monitoring the hydrogen concentration in the fuel cell cabin.

The fuel cell module 2 further includes: parts such as an engine 2.1, an air filter 2.2, an air flow meter 2.3, a hot water heat exchanger 2.4, a hydrogen pressure reducing device 2.5, a distribution box 2.6, a controller 2.7, an insulation resistance detector 2.8, a pipeline and support 2.9, a wiring harness 2.10, a metal bracket 2.11 and the like;

each part of the fuel cell module 2 is integrated on the metal bracket 2.11 and is connected with the box body through the anchor fixing holes arranged at the four corners, so that the maintenance and the assembly of each part in the module are convenient.

The heat dissipation module 3 includes at least: the device comprises a radiator 3.1, an auxiliary radiator 3.2, an auxiliary dispersion circulating water pump 3.3, an expansion water tank 3.4, an auxiliary dispersion water tank 3.5, a fan controller, a temperature sensor 3.7, a particle filter 3.8, a pipeline and support 3.9, a wiring harness 3.10, a metal bracket 3.11, a distribution box 3.12 and a deionization tank 3.13;

each spare part integration of radiating module 3 is on metal bracket 3.11, and radiating module is connected with box bolted connection through the lower margin fixed orifices that sets up in the four corners, through the lower margin fixed orifices that sets up in the four corners and box bolted connection, and the heat of being convenient for outwards discharges.

The lower part of the fuel cell cabin is provided with a folio double folding cabin door 1.1 which is used for assembling, overhauling and protecting each part in the cabin;

a hydraulic support rod small door 1.2 is arranged on one side of the distribution box of the heat dissipation module 3 and used for fuse replacement and maintenance of the distribution box;

the inversion energy storage cabin is provided with doors on three sides A, B and C respectively and is used for protecting and overhauling the box body.

During the in-service use, the fuel cell module that is located the fuel cell cabin begins to operate, the engine carries out the redox reaction with the hydrogen and the oxygen that transmit incoming and converts the electric energy into direct current, the direct current gets into the contravariant cabin through the circuit transmission, the equipment that reverses of contravariant module changes the direct current into the output of industry alternating current to the outside, the heat dissipation module at fuel cell cabin top simultaneously dispels the heat and exchanges the heat with the heat that the engine produced, can supply the outside to use, the heat supply is supplied heat in the incessant power supply of whole process, can improve the utilization ratio of the energy, the carbon that significantly reduces discharges.

Meanwhile, because the wire harness and the pipelines inside the whole box body are arranged on the inner wall of the box body in parallel, the resistance of each pipeline is reduced during actual operation.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cogeneration system for a fuel cell, said cogeneration system comprising:

a fuel cell module located at the fuel cell compartment bottom;

a heat dissipation module located at the top of the fuel cell compartment;

the inversion module is positioned in the inversion energy storage cabin.

2. The cogeneration system of claim 1, wherein said fuel cell compartment houses a forced draft fan and a hydrogen concentration sensor.

3. The cogeneration system of claim 1, wherein said fuel cell module comprises: the device comprises an engine, an air filter, an air flow meter, a hot water heat exchanger, a hydrogen pressure reducing device, a distribution box, a controller, an insulation resistance detector, a pipeline, a support, a wire harness and a metal bracket.

4. The cogeneration system according to claim 3, wherein said fuel cell module is integrated with said metal bracket, and said fuel cell module is connected to a case through anchor fixing holes provided at four corners.

5. The cogeneration system of claim 4, wherein said heat dissipation module comprises: radiator, auxiliary scattered circulating water pump, expansion tank, auxiliary scattered water tank, fan controller, temperature sensor, particle filter, pipeline and support, pencil, metal bracket, block terminal and deionization jar.

6. The cogeneration system of claim 5, wherein said heat-dissipating module is integrated with said metal bracket, and said heat-dissipating module is connected to the case through anchor fixing holes provided at four corners thereof.

7. The cogeneration system according to claim 6, wherein said fuel cell compartment is provided with a double-folding door at a lower portion thereof, said heat dissipation module is provided with a hydraulic strut door at a side of a distribution box, and said inverter energy storage compartment is provided with a triple-opening door.

8. The cogeneration system of claim 7, wherein an inclined baffle is disposed between said fuel cell module and said heat dissipation module, and a drain line is disposed at the lowest of said inclined baffles and extends to the bottom of the tank.

9. The cogeneration system according to any one of claims 3 to 8, wherein the wiring harnesses and pipes required between the modules in the box body are arranged in parallel on the inner wall of the box body.