Cogeneration control module based on fuel cell

Abstract

The utility model discloses a cogeneration control module based on a fuel cell, which comprises a cabinet body, cabinet doors are rotatably connected to two sides of the cabinet body, the fuel cell is arranged in the cabinet body, a hydrogen storage tank is arranged at the bottom of the fuel cell, the fuel cell is communicated with the hydrogen storage tank through a hydrogen supply pipeline, and the hydrogen supply pipeline is communicated with the cabinet door. A water drainage pipe is arranged on the other side of the fuel cell, the water drainage pipe is communicated with the heat exchanger, the top of the fuel cell is electrically connected with a DC-DC converter, the DC-DC converter is electrically connected with a converter, and the converter is electrically connected with a contactor. The utility model relates to the technical field of thermoelectric co-connection equipment, and solves the problems that in the prior art, the utilization rate of electric energy and heat energy generated by a fuel cell is low, the energy utilization efficiency is influenced, the application range of thermoelectric co-connection equipment of the fuel cell is greatly influenced, and the service life of the thermoelectric co-connection equipment is prolonged. And application and popularization of thermoelectric co-connection equipment in the fields of families, industry, business and the like are not facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of heat and power cogeneration equipment, in particular to a control module for heat and power cogeneration based on a fuel cell. Background Art

[0002] As energy demand continues to increase, the supply of traditional fossil energy can no longer meet the growing energy demand. In order to solve this problem, the combined heat and power system, as an efficient and environmentally friendly way of energy utilization, has gradually attracted attention. The combined heat and power system combines the production and utilization of heat and electricity, which can improve energy utilization efficiency, reduce energy waste, and also help reduce greenhouse gas emissions.

[0003] In the prior art, the utilization rate of the electrical energy and thermal energy generated by fuel cells is low, which affects the energy utilization efficiency and greatly affects the application scope of the fuel cell's heat and power cogeneration equipment, which is not conducive to the application and promotion of heat and power cogeneration equipment in household, industrial and commercial fields. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a control module for cogeneration based on a fuel cell, which solves the problem in the prior art that the utilization rate of the electric energy and thermal energy generated by the fuel cell is low, which affects the energy utilization efficiency, greatly affects the application scope of the cogeneration equipment of the fuel cell, and is not conducive to the application and promotion of the cogeneration equipment in the fields of households, industry and commerce.

[0005] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a control module for combined heat and power generation based on a fuel cell, comprising a cabinet, cabinet doors are rotatably connected on both sides of the cabinet, a fuel cell is arranged inside the cabinet, a hydrogen storage tank is arranged at the bottom of the fuel cell, the fuel cell is connected to the hydrogen storage tank through a hydrogen supply pipeline, a drain pipe is arranged on the other side of the fuel cell, the drain pipe is connected to a heat exchanger, a DC-DC converter is electrically connected to the top of the fuel cell, the DC-DC converter is electrically connected to an inverter, the inverter is electrically connected to a contactor, the contactor is electrically connected to an AC output port, the DC-DC converter is electrically connected to an energy storage battery, the DC-DC converter is electrically connected to a low-voltage DC transformer, the DC-DC converter is electrically connected to a DC output port, a touch screen is installed on the cabinet door, a PLC controller is installed inside the cabinet, and the DC-DC converter, the inverter, the touch screen and the low-voltage DC transformer are all electrically connected to the PLC controller.

[0006] Preferably, the fuel cell is provided with an air intake pipe at the top of the drain pipe, an air filter is installed on one side of the cabinet, the air filter is connected to a turbocharger, the output end of the turbocharger is connected to the air intake pipe, and the turbocharger is electrically connected to the inverter.

[0007] Preferably, a cooling fan is equidistantly installed on one side of the cabinet away from the heat exchanger, the cooling fan is electrically connected to the low-voltage DC transformer, a filter is arranged on the outside of the cooling fan, and cooling holes are equidistantly arranged on one side of the cabinet away from the cooling fan.

[0008] Preferably, a fire monitoring detector is installed inside the cabinet, and the fire monitoring detector is electrically connected to the PLC controller. A photoelectric smoke sensor is installed on the top of the cabinet, and the photoelectric smoke sensor is electrically connected to the fire monitoring detector.

[0009] Preferably, temperature sensors are equidistantly installed inside the cabinet, and the temperature sensors are electrically connected to the PLC controller.

[0010] The utility model provides a control module for combined heat and power supply based on fuel cells. It has the following beneficial effects: the control module for combined heat and power supply based on fuel cells, through the cooperation between the cabinet, cabinet door, fuel cell, hydrogen storage tank, hydrogen supply pipeline, DC-DC converter, converter, contactor, AC output port, energy storage battery, DC output port, PLC controller, touch screen, drain pipe, low-voltage DC transformer and heat exchanger, fully utilizes the electric energy and thermal energy generated by the fuel cell, so that the electric energy is output in the form of 220V AC and high-voltage DC, and at the same time, the energy storage battery is used to perform intelligent regulation according to the actual operation of the fuel cell to ensure stable power supply to external equipment and store excess electric energy, and the heat generated by the electrochemical reaction is replaced by the heat exchanger and transported to other equipment for heating, which can improve the utilization efficiency of the combined heat and power equipment for energy, and output it in various forms to reduce energy waste, which is conducive to the application and promotion of the combined heat and power equipment of fuel cells in the fields of home, industry and commerce.

[0011] Through the coordination among the fuel cell, DC-DC converter, inverter, intake pipe, turbocharger and air filter, the air is filtered by the air filter and the air pressure is increased by the turbocharger, so that the fuel cell can obtain a purer and moderately pressurized air supply, thereby optimizing its operating efficiency. This ensures the stable operation of the fuel cell under various environmental and climatic conditions and increases the service life of the fuel cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 Another schematic diagram of the utility model structure;

[0014] Figure 3 for Figure 1 A partial enlarged view of the middle A area;

[0015] Figure 4 for Figure 1 A partial enlarged view of the middle B area;

[0016] Figure 5 It is a schematic diagram of the principle of the utility model.

[0017] In the figure: 1. Cabinet; 2. Cabinet door; 3. Fuel cell; 4. Hydrogen storage tank; 5. Hydrogen supply pipeline; 6. DC-DC converter; 7. Inverter; 8. Contactor; 9. AC output port; 10. Energy storage battery; 11. DC output port; 12. PLC controller; 13. Touch screen; 14. Intake pipe; 15. Turbocharger; 16. Air filter; 17. Drain pipe; 18. Low-voltage DC transformer; 19. Cooling fan; 20. Filter; 21. Heat dissipation hole; 22. Fire monitoring detector; 23. Photoelectric smoke sensor; 24. Temperature sensor; 25. Heat exchanger. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the prior art, the utilization rate of the electrical energy and thermal energy generated by fuel cells is low, which affects the energy utilization efficiency and greatly affects the application scope of the fuel cell's heat and power cogeneration equipment, which is not conducive to the application and promotion of heat and power cogeneration equipment in household, industrial and commercial fields.

[0020] In view of this, the utility model provides a control module for combined heat and power supply based on fuel cells, which makes full use of the electric energy and thermal energy generated by the fuel cell through the coordination among the cabinet, cabinet door, fuel cell, hydrogen storage tank, hydrogen supply pipeline, DC-DC converter, inverter, contactor, AC output port, energy storage battery, DC output port, PLC controller, touch screen, drain pipe, low-voltage DC transformer and heat exchanger, so that the electric energy and thermal energy generated by the fuel cell are output in the form of 220V AC and high-voltage DC. At the same time, the energy storage battery is used to intelligently control the actual operation of the fuel cell to ensure stable power supply to external equipment and store excess electric energy. The heat generated by the electrochemical reaction is replaced by the heat exchanger and transported to other equipment for heating, thereby improving the energy utilization efficiency of the combined heat and power equipment, and outputting it in various forms, reducing the waste of energy, and making it easier to apply and promote the combined heat and power equipment of fuel cells in the fields of households, industries and commerce.

[0021] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0022] Depend on Figure 1-5 It can be seen that a control module for combined heat and power generation based on a fuel cell includes a cabinet 1, cabinet doors 2 are rotatably connected on both sides of the cabinet 1, a fuel cell 3 is arranged inside the cabinet 1, a hydrogen storage tank 4 is arranged at the bottom of the fuel cell 3, the fuel cell 3 is connected to the hydrogen storage tank 4 through a hydrogen supply pipeline 5, a drain pipe 17 is arranged on the other side of the fuel cell 3, the drain pipe 17 is connected to a heat exchanger 25, a DC-DC converter 6 is electrically connected to the top of the fuel cell 3, the DC-DC converter 6 is electrically connected to an inverter 7, the inverter 7 is electrically connected to a contactor 8, the contactor 8 is electrically connected to an AC output port 9, the DC-DC converter 6 is electrically connected to an energy storage battery 10, the DC-DC converter 6 is electrically connected to a low-voltage DC transformer 18, the DC-DC converter 6 is electrically connected to a DC output port 11, a touch screen 13 is installed on the cabinet door 2, a PLC controller 12 is installed inside the cabinet 1, and the DC-DC converter 6, the inverter 7, the touch screen 13 and the low-voltage DC transformer 18 are all electrically connected to the PLC controller 12;

[0023] In the specific implementation process, it is worth pointing out that the cabinet 1 and the cabinet door 2 are the external shell structure of the fuel cell thermal power co-generation device. Through the cooperation between the fuel cell 3, the hydrogen storage tank 4, the hydrogen supply pipeline 5 and the DC-DC converter 6, the hydrogen is transmitted to the fuel cell 3 through the hydrogen supply system composed of the hydrogen storage tank 4 and the hydrogen supply pipeline 5. The fuel cell 3 converts chemical energy into electrical energy and generates high-voltage direct current for output through the DC-DC converter 6. Through the cooperation between the fuel cell 3, the drain pipe 17 and the heat exchanger 25, the hydrogen ions and cations in the fuel cell 3 undergo electrochemical reactions. The drain pipe 17 transports the water carrying heat to the heat exchanger 25 for heat exchange. The heat exchanger 25 transports the heat to other equipment to improve the utilization efficiency of the heat generated by the electrochemical reaction of the fuel cell 3. Through the cooperation between the fuel cell 3, the hydrogen storage tank 4, the hydrogen supply pipeline 5, the DC-DC converter 6, the inverter 7, the contactor 8 and the AC output port 9, the inverter 7 converts the high-voltage direct current output by the DC-DC converter 6 to generate 220V 50HZ AC power is output through the AC output port 9, and can be on-off controlled by the contactor 8 at the same time, so as to realize the output and on-off control of 220V AC power for use by external 220V AC power-consuming electrical equipment. Through the cooperation among the fuel cell 3, the hydrogen storage tank 4, the hydrogen supply pipeline 5, the DC-DC converter 6 and the low-voltage DC transformer 18, the low-voltage DC transformer 18 converts the high-voltage DC power into low-voltage DC power to realize the self-power supply of the internal electrical parts of the fuel cell thermal power co-generation equipment. Through the cooperation among the fuel cell 3, the hydrogen storage tank 4, the hydrogen supply pipeline 5, the DC-DC converter 6 and the DC output port 11, the output of high-voltage DC power is realized for use by external DC power equipment. Through the cooperation among the fuel cell 3, the hydrogen storage tank 4, the hydrogen supply pipeline 5, the DC-DC converter 6 and the energy storage battery 10, the DC-DC converter 6 inputs part of the high-voltage DC power into the energy storage battery 10 for energy storage. The energy storage system 10 can be intelligently controlled according to the actual operation of the fuel cell 3. When the output high-voltage electricity of the fuel cell 3 is insufficient, the energy storage battery 10 can quickly release the stored electric energy to supplement the insufficient output of the fuel cell and ensure stable power supply to external equipment. At the same time, when the output high-voltage electricity of the fuel cell 3 is excessive, the energy storage battery 10 can absorb the excess electric energy to avoid energy waste, and can also play a role in starting the electrical components of the thermoelectric co-generation equipment. Through the cooperation between the DC-DC converter 6, the inverter 7, the PLC controller 12, the touch screen 13 and the low-voltage DC transformer 18, the PLC controller 12 monitors and controls the thermoelectric co-generation equipment according to the pre-settings, adjusts the PLC controller 12 through the touch screen 13, and displays the relevant data of the thermoelectric co-generation equipment operation. At the same time, the relevant data of the equipment can be transmitted to the monitoring network in real time, which is convenient for the staff to monitor the operation status of the thermoelectric co-generation equipment.Through the coordination among the cabinet 1, the cabinet door 2, the fuel cell 3, the hydrogen storage tank 4, the hydrogen supply pipeline 5, the DC-DC converter 6, the converter 7, the contactor 8, the AC output port 9, the energy storage battery 10, the DC output port 11, the PLC controller 12, the touch screen 13, the drain pipe 17, the low-voltage DC transformer 18 and the heat exchanger 25, the electric energy and thermal energy generated by the fuel cell 3 are fully utilized, so that the electric energy is output in the form of 220V AC and high-voltage DC, and at the same time, the energy storage battery 10 is used to perform intelligent regulation according to the actual operation of the fuel cell 3 to ensure external The invention provides a stable power supply for the equipment and stores the excess electric energy. The heat generated by the electrochemical reaction is replaced by the heat exchanger 25 and transmitted to other equipment for heating, thereby improving the utilization efficiency of the heat and power equipment and outputting the energy in various forms, reducing the waste of energy, and facilitating the application and promotion of the fuel cell heat and power equipment in the fields of home, industry and commerce. The specific models of the DC-DC converter 6, the inverter 7, the contactor 8, the PLC controller 12, the touch screen 13 and the low-voltage DC transformer 18 are not limited, and the specific models of the DC-DC converter 6, the inverter 7, the contactor 8, the PLC controller 12, the touch screen 13 and the low-voltage DC transformer 18 can meet the use requirements.

[0024] Furthermore, the fuel cell 3 is provided with an air intake pipe 14 at the top of the drain pipe 17, an air filter 16 is installed on one side of the cabinet 1, the air filter 16 is connected to the turbocharger 15, the output end of the turbocharger 15 is connected to the air intake pipe 14, and the turbocharger 15 is electrically connected to the converter 7;

[0025] In the specific implementation process, it is worth pointing out that, through the cooperation between the fuel cell 3, the DC-DC converter 6, the converter 7, the intake pipe 14, the turbocharger 15 and the air filter 16, the air is filtered by the air filter 16, and the air pressure is increased by the turbocharger 15, so that the fuel cell 3 can obtain a purer air supply with a moderate pressure, thereby optimizing its operating efficiency, ensuring the stable operation of the fuel cell 3 under various environmental and climatic conditions, and improving the service life of the fuel cell 3, wherein the specific model of the turbocharger 15 is not limited, and it only needs to meet the use requirements;

[0026] Furthermore, a cooling fan 19 is equidistantly installed on one side of the cabinet 1 away from the heat exchanger 25, the cooling fan 19 is electrically connected to the low-voltage DC transformer 18, a filter 20 is arranged on the outside of the cooling fan 19, and cooling holes 21 are equidistantly arranged on one side of the cabinet 1 away from the cooling fan 19;

[0027] In the specific implementation process, it is worth pointing out that the heat dissipation system of the thermoelectric co-generation device is formed by the cooperation between the fuel cell 3, the DC-DC converter 6, the low-voltage DC transformer 18, the cooling fan 19, the filter 20 and the heat dissipation hole 21. The low-voltage DC transformer 18 supplies low-voltage DC power to the cooling fan 19. The rotation of the cooling fan 19 accelerates the circulation speed of the air inside and outside the thermoelectric co-generation device, accelerates the conduction of heat to the surrounding environment, and thus improves the heat dissipation efficiency of the thermoelectric co-generation device, and avoids damage to electrical components caused by overheating. The specific model of the cooling fan 19 is not limited, and it only needs to meet the use requirements;

[0028] Furthermore, a fire monitoring detector 22 is installed inside the cabinet 1, and the fire monitoring detector 22 is electrically connected to the PLC controller 12. A photoelectric smoke sensor 23 is installed on the top of the cabinet 1, and the photoelectric smoke sensor 23 is electrically connected to the fire monitoring detector 22;

[0029] In the specific implementation process, it is worth pointing out that the fire monitoring system of the heat and power co-generation equipment is formed through the cooperation between the PLC controller 12, the fire monitoring detector 22 and the photoelectric smoke sensor 23. The smoke inside the equipment is sensed by the photoelectric smoke sensor 23, which can achieve accurate and efficient fire warning and monitoring. When a fire occurs, it can be warned in time through the monitoring network, which is convenient for the staff to deal with it quickly and prevent a larger accident. It not only improves the intelligent level of fire prevention and control, but also significantly enhances the timeliness and accuracy of fire response. The specific models of the fire monitoring detector 22 and the photoelectric smoke sensor 23 are not limited, and they can meet the use requirements;

[0030] Furthermore, temperature sensors 24 are installed equidistantly inside the cabinet 1, and the temperature sensors 24 are electrically connected to the PLC controller 12;

[0031] During the specific implementation process, it is worth pointing out that the temperature sensor 24 is used to sense the temperature at multiple locations within the heat and power co-generation equipment, and to display and monitor it in real time through the touch screen 13 and the monitoring network, so that the staff can monitor the operating status of the heat and power co-generation equipment. The specific model of the temperature sensor 24 is not limited, and it only needs to meet the usage requirements.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A control module for combined heat and power generation based on a fuel cell, comprising a cabinet (1), characterized in that: Cabinet doors (2) are rotatably connected to both sides of the cabinet (1), a fuel cell (3) is arranged inside the cabinet (1), a hydrogen storage tank (4) is arranged at the bottom of the fuel cell (3), the fuel cell (3) is connected to the hydrogen storage tank (4) through a hydrogen supply pipeline (5), a drainage pipe (17) is arranged on the other side of the fuel cell (3), the drainage pipe (17) is connected to the heat exchanger (25), the top of the fuel cell (3) is electrically connected to a DC-DC converter (6), the DC-DC converter (6) is electrically connected to an inverter (7), and the inverter (7) is electrically connected to a contactor (8), the contactor (8) is electrically connected to an AC output port (9), the DC-DC converter (6) is electrically connected to an energy storage battery (10), the DC-DC converter (6) is electrically connected to a low-voltage DC transformer (18), the DC-DC converter (6) is electrically connected to a DC output port (11), the cabinet door (2) is equipped with a touch screen (13), a PLC controller (12) is installed inside the cabinet body (1), and the DC-DC converter (6), the converter (7), the touch screen (13) and the low-voltage DC transformer (18) are all electrically connected to the PLC controller (12).

2. A control module for combined heat and power generation based on fuel cells according to claim 1, characterized in that: The fuel cell (3) is provided with an air intake pipe (14) at the top of the drain pipe (17), an air filter (16) is installed on one side of the cabinet (1), the air filter (16) is connected to a turbocharger (15), the output end of the turbocharger (15) is connected to the air intake pipe (14), and the turbocharger (15) is electrically connected to the converter (7).

3. A control module for combined heat and power generation based on fuel cells according to claim 1, characterized in that: A cooling fan (19) is equidistantly installed on a side of the cabinet (1) away from the heat exchanger (25); the cooling fan (19) is electrically connected to a low-voltage DC transformer (18); a filter (20) is arranged on the outside of the cooling fan (19); and cooling holes (21) are equidistantly arranged on a side of the cabinet (1) away from the cooling fan (19).

4. A control module for combined heat and power generation based on fuel cells according to claim 1, characterized in that: A fire monitoring detector (22) is installed inside the cabinet (1), and the fire monitoring detector (22) is electrically connected to the PLC controller (12). A photoelectric smoke sensor (23) is installed on the top of the cabinet (1), and the photoelectric smoke sensor (23) is electrically connected to the fire monitoring detector (22).

5. A control module for combined heat and power generation based on fuel cells according to claim 1, characterized in that: Temperature sensors (24) are installed at equal intervals inside the cabinet (1), and the temperature sensors (24) are electrically connected to the PLC controller (12).

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