Extended-range hydrogen fuel cell power system

Abstract

The utility model provides a range-extended hydrogen fuel cell power system, which relates to the technical field of hydrogen fuel cells and comprises a system support, an upper mounting plate is arranged at the upper end of the system support, a reactor is arranged on the upper mounting plate, and a converter is arranged at the upper end of the reactor. A hydrogen supply system is also arranged on the upper mounting plate, and the hydrogen supply system is arranged on one side of the reactor; an air path subsystem and a cooling circulation system are arranged on the system bracket; the hydrogen supply system and the air path subsystem are both connected with the reactor; and the cooling circulation system is used for heat dissipation of the reactor. According to the extended range type hydrogen fuel cell power system provided by the utility model, the design is optimized, the ingenious arrangement of the extended range type hydrogen fuel cell power system in the motor home can be realized, and the performance of the extended range type hydrogen fuel cell power system is fully exerted.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen fuel cells, in particular to an extended-range hydrogen fuel cell power system. Background Art

[0002] A fuel cell is a power generation device that converts the chemical energy of a fuel directly into electrical energy. A hydrogen fuel cell system is a power battery system that uses hydrogen to react with oxygen in the air to generate electric current. A fuel cell system is mainly composed of a fuel cell body and auxiliary systems, including a reactant supply system, a heat removal system, a drainage system, an electrical performance control system, and safety devices.

[0003] With the development of fuel cell technology, hydrogen fuel cell system engines have been widely promoted and applied in various vehicles. In addition to having higher energy conversion efficiency than traditional gasoline engines, hydrogen fuel cell system engines also have many advantages, such as simpler structure and manufacturing cost advantages compared with traditional fuel engines; low noise; light weight; longer endurance; environmental protection and no pollution; the heat and electricity generated by electrochemical reactions can be used. The above advantages will have great application prospects in RVs under the technical conditions of overcoming the safety of hydrogen storage system use.

[0004] RVs provide a comfortable environment like home for tourists, and their mature existing configuration allows people to enjoy a happy time during the journey. RVs powered by hydrogen fuel cell systems give full play to the advantages of hydrogen fuel cell systems, making the various functions of RVs leap forward.

[0005] Compared with traditional fuel vehicles, the energy utilization rate of electrochemical reactions is more than 30%, which not only generates electricity, but also makes it possible to utilize heat energy; it produces water vapor and liquid water when working, which is environmentally friendly and comfortable, and has very little noise when working; the most important mileage can also be improved according to the configuration of the hydrogen storage system; the economy of the hydrogen fuel cell system also has obvious advantages; compared with the currently booming pure electric vehicles, the hydrogen fuel cell system as a power vehicle has both the advantages of fuel vehicles and the economic advantages of electric vehicles. It is a power battery system that will develop strongly in the future.

[0006] The fuel cell system has a loose structure and is large in size, which takes up a large amount of vehicle working space and squeezes the interior space of the RV. Utility Model Content

[0007] The utility model aims to provide a range-extended hydrogen fuel cell power system to alleviate the technical problems of the existing fuel cell system being too loose in structure, large in size, and occupying a large amount of vehicle space.

[0008] The utility model provides an extended-range hydrogen fuel cell power system, comprising a system bracket, an upper mounting plate is arranged on the upper end of the system bracket, a reactor is arranged on the upper mounting plate, and a converter is arranged on the upper end of the reactor;

[0009] A hydrogen supply system is also provided on the upper mounting plate, and the hydrogen supply system is provided on one side of the reactor;

[0010] An air path subsystem and a cooling circulation system are arranged on the system support; the hydrogen supply system and the air path subsystem are both connected to the reactor;

[0011] The cooling circulation system is used for heat dissipation of the reactor.

[0012] In an optional embodiment, the hydrogen supply system includes a first air intake pipeline and a second air intake pipeline, and a hydrogen filter, a first valve assembly and a first sensor assembly are sequentially arranged on the first air intake pipeline; one end of the first air intake pipeline is used to be connected to the hydrogen supply device, and the other end is connected to the reactor;

[0013] One end of the second air intake pipeline is connected to the reactor, and the other end is connected to the first air intake pipeline, and the connection between the second air intake pipeline and the first air intake pipeline is located between the first valve assembly and the first sensor assembly; a steam-water separator and a hydrogen circulation pump are arranged on the second air intake pipeline.

[0014] In an optional embodiment, the air path subsystem includes a first air pipeline and a second air pipeline, and an air filter, a flow meter, a compressor, an intercooler, a humidifier, and a second sensor assembly are sequentially arranged on the first air pipeline;

[0015] One end of the first air pipeline is connected to the reactor, and the other end is connected to the atmosphere; one end of the second air pipeline is connected to the reactor, and the other end is connected to the humidifier, and the humidifier is provided with an exhaust gas discharge pipe.

[0016] In an optional embodiment, the cooling circulation system includes a first cooling pipeline, a second cooling pipeline and a third cooling pipeline; one end of the first cooling pipeline is connected to a water pump, and the other end is connected to the reactor, and a cooling filter is provided on the first cooling pipeline;

[0017] One end of the second cooling pipeline is connected to the reactor, and the other end of the second cooling pipeline is connected to the electronic thermostat, which is respectively connected to the first branch pipeline and the second branch pipeline, the first branch pipeline is connected to the water pump, and a PTC heater is arranged on the first branch pipeline; the second branch pipeline is used to be connected to the radiator;

[0018] Both ends of the third cooling pipeline are connected to the water pump, and the compressor, the intercooler and the deionizer are arranged in sequence on the third cooling pipeline.

[0019] In an optional embodiment, a first mounting hole is provided at the lower end of the system bracket, and the first mounting hole is used for mounting a caster.

[0020] In an optional embodiment, a second mounting hole is provided at the lower end of the system bracket, and the second mounting hole is used to fix the system bracket.

[0021] In an optional embodiment, the system bracket includes a supporting base plate and an upper mounting plate, and a plurality of supporting blocks are arranged between the upper mounting plate and the supporting base plate.

[0022] In an optional embodiment, a shock-absorbing pad is provided on the lower end surface of the supporting base plate.

[0023] In an optional embodiment, it also includes an electrical and electronic control system, which is used to distribute the current generated by the reactor to different load units.

[0024] The utility model provides an extended-range hydrogen fuel cell power system with an optimized design, which can realize the ingenious arrangement of the extended-range hydrogen fuel cell power system in a motorhome and give full play to the performance of the extended-range hydrogen fuel cell power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the structure of a range-extended hydrogen fuel cell power system provided by an embodiment of the utility model;

[0027] Figure 2 for Figure 1 A schematic diagram of the structure of a hydrogen supply system and a reactor connected to an extended-range hydrogen fuel cell power system is shown;

[0028] Figure 3 for Figure 1 A schematic diagram of the structure of the air path system and the reactor connection of an extended-range hydrogen fuel cell power system is shown;

[0029] Figure 4 for Figure 1A schematic diagram of the structure of a cooling circulation system and a reactor connected to an extended-range hydrogen fuel cell power system is shown;

[0030] Figure 5 for Figure 1 A schematic structural diagram of a system support of an extended-range hydrogen fuel cell power system is shown.

[0031] Icons: 100-system bracket; 101-support base plate; 102-support block; 200-reactor; 300-converter; 400-air path system; 401-compressor; 402-intercooler; 403-first air pipeline; 404-humidifier; 405-exhaust pipe; 406-second sensor assembly; 407-second air pipeline; 500-upper mounting plate; 600-hydrogen supply system; 601-hydrogen filter; 602-first valve assembly; 603-hydrogen circulation pump; 604-first sensor assembly; 605-first air intake pipeline; 606-second air intake pipeline; 700-electrical and electronic control system; 800-cooling circulation system; 801-cooling filter; 802-water pump; 803-PTC heater; 804-first cooling pipeline; 805-electronic thermostat; 806-deionizer. DETAILED DESCRIPTION

[0032] The terms “first”, “second”, “third”, etc. are only used for distinguishing descriptions and do not indicate the order of arrangement, nor can they be understood as indicating or implying relative importance.

[0033] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0034] In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "up", "down", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the products of the present application are usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0035] In the description of this application, unless otherwise clearly specified and limited, the terms "set", "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0036] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings.

[0037] Example

[0038] Reference Figure 1-Figure 5 The utility model provides an extended-range hydrogen fuel cell power system, including a system bracket 100, an upper mounting plate 500 is arranged at the upper end of the system bracket 100, a reactor 200 is arranged on the upper mounting plate 500, and a converter 300 is arranged at the upper end of the reactor 200;

[0039] A hydrogen supply system 600 is also provided on the upper mounting plate 500 , and the hydrogen supply system 600 is provided on one side of the reactor 200 ;

[0040] An air circuit system 400 and a cooling circulation system 800 are provided on the system support 100; the hydrogen supply system 600 and the air circuit system 400 are both connected to the reactor 200;

[0041] The cooling circulation system 800 is used for heat dissipation of the reactor 200 .

[0042] In some embodiments, an upper mounting plate 500 is disposed on a system support 100 of an extended-range hydrogen fuel cell power system, a reactor 200 is disposed on the upper mounting plate 500 , and a hydrogen supply system 600 and an air path subsystem 400 provide hydrogen and oxygen for the reactor 200 .

[0043] Generally, the hydrogen supply system 600 is arranged at the front end of the reactor 200, and the hydrogen supply system 600 provides the reactor 200 with controlled reaction hydrogen; the air path system 400 provides the hydrogen fuel cell reactor 200 with oxygen required for the reaction; the cooling circulation system 800 is used for the vehicle's radiator to dissipate heat, and controls the heat generated by the reactor 200 at a certain temperature so that the fuel reaction efficiency can be controlled at the optimal state.

[0044] Reference Figure 2 In an optional embodiment, the hydrogen supply system 600 includes a first air intake pipeline 605 and a second air intake pipeline 606, and a hydrogen filter 601, a first valve assembly 602 and a first sensor assembly 604 are sequentially arranged on the first air intake pipeline 605; one end of the first air intake pipeline 605 is used to be connected to the hydrogen supply device, and the other end is connected to the reactor 200;

[0045] One end of the second air intake pipeline 606 is connected to the reactor 200, and the other end is connected to the first air intake pipeline 605, and the connection between the second air intake pipeline 606 and the first air intake pipeline 605 is located between the first valve assembly 602 and the first sensor assembly 604; a steam-water separator and a hydrogen circulation pump 603 are arranged on the second air intake pipeline 606.

[0046] In some embodiments, the first air inlet pipeline 605 of the hydrogen supply system 600 is provided with a hydrogen filter 601 and a first valve assembly 602 in sequence, wherein the first valve assembly 602 includes a switch valve and a proportional valve, and enters the reactor 200 under the control of the proportional valve, and the first sensor assembly 604 includes a temperature sensor and a pressure sensor; that is, the pressure and temperature of the hydrogen before entering the reactor 200 can be measured.

[0047] The high-humidity residual hydrogen after the reaction of the reactor 200 enters the steam-water separator, which separates water and hydrogen. The separated hydrogen enters the hydrogen circulation pump 603 and enters the reactor 200 to continue the reaction, thereby increasing the utilization rate of the hydrogen.

[0048] The hydrogen separated from the steam-water separator is mixed with the unseparated hydrogen and then enters the reactor 200 .

[0049] Reference Figure 3 In an optional embodiment, the air path subsystem 400 includes a first air pipeline 403 and a second air pipeline 407, and an air filter, a flow meter, a compressor 401, an intercooler 402, a humidifier 404 and a second sensor assembly 406 are sequentially arranged on the first air pipeline 403;

[0050] One end of the first air pipeline 403 is connected to the reactor 200 , and the other end is connected to the atmosphere; one end of the second air pipeline 407 is connected to the reactor 200 , and the other end is connected to the humidifier 404 , and the humidifier 404 is provided with an exhaust gas discharge pipe 405 .

[0051] The air filter provided on the first air pipeline 403 is used for filtering the air, the flow meter is used for measuring the flow of the air, and the compressor 401 is used for compressing the air and allowing the air to enter the first air pipeline 403; the compressed air passes through the intercooler 402, the humidifier and the second sensor assembly 406 in sequence and then enters the reactor 200.

[0052] The intercooler 402 cools the air, and the humidifier increases the humidity of the air. After the temperature and humidity of the air are measured by the second sensor component 406, the air enters the reactor 200; the gas and water vapor after the reaction in the reactor 200 then enter the humidifier 404 and are discharged from the exhaust pipe 405 provided on the humidifier 404.

[0053] The humidifier 404 can increase the humidity of the air before entering the reactor 200 and the humidity of the gas exhausted from the reactor 200 .

[0054] Reference Figure 4 In an optional embodiment, the cooling circulation system 800 includes a first cooling pipeline 804, a second cooling pipeline and a third cooling pipeline; one end of the first cooling pipeline 804 is connected to the water pump 802, and the other end is connected to the reactor 200, and a cooling filter 801 is provided on the first cooling pipeline 804;

[0055] One end of the second cooling pipeline is connected to the reactor 200, and the other end of the second cooling pipeline is connected to the electronic thermostat 805, and the electronic thermostat 805 is connected to the first branch pipeline and the second branch pipeline respectively, the first branch pipeline is connected to the water pump 802, and a PTC heater 803 is arranged on the first branch pipeline; the second branch pipeline is used to connect to the radiator;

[0056] Both ends of the third cooling pipeline are connected to the water pump 802 , and the compressor 401 , the intercooler 402 and the deionizer 806 are sequentially arranged on the third cooling pipeline.

[0057] The first cooling pipeline 804 of the cooling circulation system 800 is connected to the water pump 802, and the water pump 802 supplies the coolant into the first cooling pipeline 804, so that the coolant enters the reactor 200, and the coolant takes away the heat generated in the reactor 200; the coolant passing through the reactor 200 enters the electronic thermostat 805; the electronic thermostat 805 is respectively connected to the first branch pipeline and the second branch pipeline, part of the coolant passing through the electronic thermostat 805 enters the first branch pipeline, and part of the coolant enters the second branch pipeline, the first branch pipeline is connected to the water pump 802, and part of the coolant returns to the water pump 802, and a PTC heater 803 is arranged on the first branch pipeline, and the PTC heater 803 heats the coolant when needed.

[0058] The second branch pipeline is connected to the radiator to reduce the temperature of the coolant; one end of the third cooling pipeline is connected to the inlet of the water pump 802, and the other end is connected to the outlet of the water pump 802. The third cooling pipeline passes through the controller of the compressor 401, the compressor 401, the intercooler 402 and the deionizer 806 in sequence and returns to the water pump 802; an exhaust hole is generally provided on the second cooling pipeline, and the exhaust hole is connected to the water tank through a pipeline, and the gas enters the water tank from the exhaust hole and is discharged from the water tank.

[0059] In an optional embodiment, a first mounting hole is provided at the lower end of the system bracket 100, and the first mounting hole is used to install a caster.

[0060] In an optional implementation, a second mounting hole is provided at the lower end of the system bracket 100 , and the second mounting hole is used to fix the system bracket 100 .

[0061] In an optional implementation, the system bracket 100 includes a support base plate 101 and an upper mounting plate 500 , and a plurality of support blocks 102 are disposed between the upper mounting plate 500 and the support base plate 101 .

[0062] In an optional embodiment, a shock-absorbing pad is provided on the lower end surface of the supporting base plate 101 .

[0063] In order to facilitate the movement of an extended-range hydrogen fuel cell power system, a first mounting hole is provided at the lower end of the system bracket 100, and the first mounting hole can be used to assemble casters, thereby facilitating the movement of the entire extended-range hydrogen fuel cell power system.

[0064] A second mounting hole is provided on the system bracket 100, and the second mounting hole is used to fix the entire extended-range hydrogen fuel cell power system on the RV, so that the extended-range hydrogen fuel cell power system is firmly fixed on the RV.

[0065] A support block 102 is disposed between the support base plate 101 of the system bracket 100 and the upper mounting plate 500 , and the support block 102 maintains a fixed distance between the support base plate 101 and the upper mounting plate 500 .

[0066] The system bracket 100 has functions of adapting to the external environment, such as supporting and fixing, vibration reduction, noise reduction, rust prevention, easy maintenance, safety, etc.

[0067] In an optional embodiment, an electrical and electronic control system 700 is further included, and the electrical and electronic control system 700 is used to distribute the current generated by the reactor 200 to different load units.

[0068] The utility model provides an extended-range hydrogen fuel cell power system with an optimized design, which can realize the ingenious arrangement of the extended-range hydrogen fuel cell power system in a motorhome and give full play to the performance of the extended-range hydrogen fuel cell power system.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An extended-range hydrogen fuel cell power system, characterized in that: It comprises a system support (100), an upper mounting plate (500) is arranged at the upper end of the system support (100), a reactor (200) is arranged on the upper mounting plate (500), and a converter (300) is arranged at the upper end of the reactor (200); A hydrogen supply system (600) is also provided on the upper mounting plate (500), and the hydrogen supply system (600) is provided on one side of the reactor (200); An air path subsystem (400) and a cooling circulation system (800) are arranged on the system support (100); the hydrogen supply system (600) and the air path subsystem (400) are both connected to the reactor (200); The cooling circulation system (800) is used for heat dissipation of the reactor (200).

2. The extended-range hydrogen fuel cell power system according to claim 1, characterized in that: The hydrogen supply system (600) comprises a first air intake pipeline (605) and a second air intake pipeline (606), and a hydrogen filter (601), a first valve assembly (602) and a first sensor assembly (604) are sequentially arranged on the first air intake pipeline (605); one end of the first air intake pipeline (605) is used to be connected to the hydrogen supply device, and the other end is connected to the reactor (200); One end of the second air intake pipeline (606) is connected to the reactor (200), and the other end is connected to the first air intake pipeline (605), and the connection between the second air intake pipeline (606) and the first air intake pipeline (605) is located between the first valve component (602) and the first sensor component (604); a steam-water separator and a hydrogen circulation pump (603) are arranged on the second air intake pipeline (606).

3. The extended-range hydrogen fuel cell power system according to claim 2, characterized in that: The air path subsystem (400) comprises a first air pipeline (403) and a second air pipeline (407), and an air filter, a flow meter, a compressor (401), an intercooler (402), a humidifier (404) and a second sensor assembly (406) are sequentially arranged on the first air pipeline (403); One end of the first air pipeline (403) is connected to the reactor (200), and the other end is connected to the atmosphere; one end of the second air pipeline (407) is connected to the reactor (200), and the other end is connected to the humidifier (404), and an exhaust gas discharge pipe (405) is provided on the humidifier (404).

4. The extended-range hydrogen fuel cell power system according to claim 3, characterized in that: The cooling circulation system (800) comprises a first cooling pipeline (804), a second cooling pipeline and a third cooling pipeline; one end of the first cooling pipeline (804) is connected to a water pump (802), and the other end is connected to the reactor (200); a cooling filter (801) is provided on the first cooling pipeline (804); One end of the second cooling pipeline is connected to the reactor (200), and the other end of the second cooling pipeline is connected to an electronic thermostat (805), the electronic thermostat (805) is connected to a first branch pipeline and a second branch pipeline respectively, the first branch pipeline is connected to the water pump (802), and a PTC heater (803) is arranged on the first branch pipeline; the second branch pipeline is used to be connected to a radiator; Both ends of the third cooling pipeline are connected to the water pump (802), and the compressor (401), the intercooler (402) and the deionizer (806) are arranged in sequence on the third cooling pipeline.

5. The extended-range hydrogen fuel cell power system according to claim 1, characterized in that: A first mounting hole is provided at the lower end of the system bracket (100), and the first mounting hole is used for mounting a caster.

6. The extended-range hydrogen fuel cell power system according to claim 1, characterized in that: A second mounting hole is provided at the lower end of the system bracket (100), and the second mounting hole is used to fix the system bracket (100).

7. The extended-range hydrogen fuel cell power system according to claim 1, characterized in that: The system bracket (100) comprises a supporting base plate (101) and an upper mounting plate (500), and a plurality of supporting blocks (102) are arranged between the upper mounting plate (500) and the supporting base plate (101).

8. The extended-range hydrogen fuel cell power system according to claim 7, characterized in that: A shock-absorbing pad is arranged on the lower end surface of the supporting bottom plate (101).

9. An extended-range hydrogen fuel cell power system according to any one of claims 1 to 8, characterized in that: Also included is an electrical and electronic control system (700), wherein the electrical and electronic control system (700) is used to distribute the current generated by the reactor (200) to different load units.

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