A multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage
The modularly designed wind-solar-ethanol-hydrogen-storage multi-energy complementary power supply cabinet solves the problems of high carbon emissions and hydrogen leakage of traditional diesel generators, and realizes efficient and safe clean energy power supply and rapid exhaust, with scalability and reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO SUNHYDRO GRP CO LTD
- Filing Date
- 2025-04-27
- Publication Date
- 2026-05-26
AI Technical Summary
Traditional diesel generators, as independent power sources, cannot reduce carbon emissions in the energy industry chain. They are characterized by high energy consumption and high carbon emissions. Furthermore, if hydrogen leaks inside the existing multi-energy complementary power supply cabinets for wind, solar, alcohol, hydrogen, and energy storage, it is difficult to quickly replace the gas, which can easily lead to accidents.
Design a multi-energy complementary power supply cabinet for wind, solar, methanol-to-hydrogen, and energy storage. The cabinet adopts a modular design and includes a power generation area and an energy storage and distribution area. It is equipped with a micro-wind power generation device, photovoltaic panels, methanol-to-hydrogen generator, solid hydrogen storage cylinder, hydrogen fuel cell stack, etc. It is equipped with a hydrogen detection cabinet and a rapid exhaust system to ensure stable operation and safety of the system.
It achieves efficient, stable and safe power supply, reduces energy loss and improves energy utilization efficiency, can quickly discharge hydrogen leaks to avoid accidents, has scalability and reliability, and meets the needs of clean energy.
Smart Images
Figure CN224289664U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of power supply cabinet technology, and more specifically, it relates to a multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen and storage. Background Technology
[0002] The multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage is based on a modular design, has high scalability and reliability, adopts advanced power technology and control strategies, meets the requirements of high efficiency, stability and safety, and is applied in power supply work.
[0003] Based on existing technology, it has been found that off-grid applications such as drilling and oil testing in oil fields generally do not have access to mains power. Traditional power supply methods use diesel generators, but as independent power sources, traditional diesel generators cannot reduce carbon emissions in the energy industry chain. They are characterized by high energy consumption and high carbon emissions, and cannot reduce emissions of greenhouse gases such as carbon dioxide, thus failing to reduce negative environmental impacts. Furthermore, the western region is rich in fossil energy and renewable energy resources, and the focus of development should be shifted to the clean energy industry, with a focus on building multi-energy complementary clean energy bases. In addition, if hydrogen leaks inside the existing multi-energy complementary power supply cabinets for wind, solar, alcohol, hydrogen, and storage, it is not possible to quickly exchange the gas to avoid accidents. Utility Model Content
[0004] To address the aforementioned technical problems, this utility model provides a multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage. This cabinet solves the problem that traditional diesel generators, as independent power sources, cannot reduce carbon emissions in the energy industry chain, are characterized by high energy consumption and high carbon emissions, and cannot reduce emissions of greenhouse gases such as carbon dioxide, thus failing to reduce negative environmental impacts. Furthermore, existing multi-energy complementary power supply cabinets for wind, solar, alcohol, hydrogen, and energy storage cannot quickly exchange gas if hydrogen leaks inside, thus preventing accidents.
[0005] This utility model discloses a multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage, which is achieved through the following specific technical means:
[0006] A multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage includes a main body;
[0007] The main body is a multi-energy complementary power supply cabinet; the main body has a power generation area and an energy storage and distribution area inside; the top of the main body is connected to a micro-wind power generation device via a mounting bracket; the main body has a mounting frame on its side; the mounting frame has folding frames on both sides; the folding frames are rotatably connected; photovoltaic panels are rotatably mounted between the mounting frames; support legs are rotatably mounted at the bottom of the folding frames; the folding frames are connected to the photovoltaic panels.
[0008] The energy storage and power distribution area is equipped with a battery mounting rack, a water-cooled control cabinet, and an electrical control cabinet; the water-cooled control cabinet is located behind the battery mounting rack; the electrical control cabinet is located to the left of the battery mounting rack and the water-cooled control cabinet; the battery mounting rack is equipped with a power battery;
[0009] The power generation area is equipped with a methanol-to-hydrogen generator, a solid hydrogen storage cylinder, a split-type air source heat pump, and a hydrogen fuel cell stack. The solid hydrogen storage cylinder is located to the left of the methanol-to-hydrogen generator. The split-type air source heat pump is located behind the methanol-to-hydrogen generator. The hydrogen fuel cell stack is located behind the solid hydrogen storage cylinder and to the left of the split-type air source heat pump.
[0010] Furthermore, the main body is equipped with a partition; the main body adopts a container design; cabinet doors are installed on the main body via hinges; the split-type air source heat pump can be externally connected to the main body; the photovoltaic panel is connected to the power battery via a quick-connect plug on the side of the main body.
[0011] Furthermore, the water-cooled control cabinet is equipped with a water supply pump, a circulation pump, and a heat exchanger; the inlet pipe of the water supply pump is connected to an external water tank; the outlet pipe of the water supply pump is connected to the inlet pipe of the circulation pump; the outlet pipe of the circulation pump is connected to the inlet pipe of the power battery; the outlet pipe of the power battery is connected to the inlet pipe of the hydrogen fuel cell stack; the outlet pipe of the hydrogen fuel cell stack is connected to the inlet pipe of the heat exchanger; the outlet pipe of the heat exchanger is connected to the inlet pipe of the split-type air source heat pump; and the outlet pipe of the air source heat pump is connected to the inlet pipe of the circulation pump.
[0012] Furthermore, the solid hydrogen storage cylinder is equipped with a fixed base at its bottom; the solid hydrogen storage cylinder is connected to a hydrogen fuel cell stack via a pipe; the solid hydrogen storage cylinder is connected to a methanol-to-hydrogen generator via a pipe; the hydrogen fuel cell stack is connected to the methanol-to-hydrogen generator via a pipe; and the solid hydrogen storage cylinder is connected to a split-type air source heat pump.
[0013] Furthermore, the hydrogen fuel cell stack is provided with a connecting pipe; the connecting pipe is connected to the main body and is located outside the main body.
[0014] Furthermore, the capacity of the power battery is adjusted according to the actual number of prefabricated houses and the capacity of the photovoltaic system on site; the power battery and the micro-wind power generation device are both connected to the 380V AC bus, and the current input and output are handled by the electrical control cabinet.
[0015] Furthermore, mounting components are provided on the front and rear sides of the main body; the mounting components are located inside the power generation area; an air intake fan is installed inside the rear mounting component; an air exhaust fan is installed inside the front mounting component; a hydrogen detection cabinet is installed on the front mounting component; and a hydrogen leak detector is installed inside the hydrogen detection cabinet.
[0016] Compared with the prior art, the present invention has the following beneficial effects:
[0017] 1. This device features high scalability and reliability, employing advanced power technology and control strategies to meet the requirements of high efficiency, stability, and safety. The cabinet is divided into two parts: a power generation area and an energy storage and distribution area. The power generation area contains 1-2 5kW methanol-hydrogen generator sets and a 20kW solid-state hydrogen storage fuel cell generator set, with external micro-wind power generation devices and photovoltaic panels. Each unit is equipped with gas and heat dissipation ducts. The energy storage area includes a centralized energy storage box, a fuel cell power generation water cooling system, and a transformer distribution box, and is equipped with a constant temperature and fire safety system. The entire system is modularly designed, with the energy storage battery capacity adjusted according to the actual number of modular buildings and the photovoltaic system capacity. This device ensures stable operation under various operating conditions, avoiding power outages or voltage fluctuations, maximizing energy utilization efficiency, minimizing energy loss, improving economic benefits, and considering future development. Sufficient expansion space is reserved to easily add or remove power supplies or loads; one output pipeline of the methanol-to-hydrogen generator can directly supply hydrogen to the hydrogen fuel stack for power generation, and the other pipeline connects to a solid hydrogen storage tank via a hydrogen booster pump to recover and pressurize hydrogen that could not be used for power generation due to system shutdown and supply it to the solid hydrogen storage tank; when the power generation system is short of methanol feedstock or the hydrogen production system fails, the solid hydrogen storage tank releases hydrogen to the hydrogen fuel stack to provide emergency power output, and the split-type air source heat pump provides hot water for domestic and work use as needed, while the hot water can provide heat to the solid hydrogen storage tank and release the stored hydrogen.
[0018] 2. A hydrogen detection cabinet is installed in this device. The hydrogen detection cabinet is installed on the side of the mounting component. In the event of a hydrogen leak, the hydrogen concentration can be monitored by the hydrogen detector inside the cabinet, and the signal is transmitted to the hydrogen detection cabinet. The hydrogen detection cabinet then controls the rotation of the intake and exhaust fans, thereby enabling rapid air circulation inside the power generation area and quickly expelling the leaked hydrogen to the outside. At the same time, the hydrogen detection cabinet is equipped with an alarm module that can transmit alarm signals to the backend, so that the leak can be dealt with in a timely manner to avoid accidents. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the device of this utility model.
[0020] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the main body of this utility model.
[0021] Figure 3 This is a side view three-dimensional structural diagram of the main body of this utility model.
[0022] Figure 4This is a schematic diagram of the overall internal three-dimensional structure of this utility model.
[0023] Figure 5 This is a schematic diagram of the internal structure of the water-cooled control cabinet of this utility model.
[0024] Figure 6 This is a schematic diagram of the electrical PID of this utility model.
[0025] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0026] 1. Main body; 101. Cabinet door; 102. Energy storage and power distribution area; 103. Power generation area; 104. Mounting components; 105. Intake fan; 106. Exhaust fan; 107. Hydrogen detection cabinet; 2. Battery mounting rack; 201. Power battery; 3. Water-cooled control cabinet; 4. Electrical control cabinet; 5. Methanol-to-hydrogen generator; 6. Solid hydrogen storage cylinder; 601. Fixed base; 7. Split-type air source heat pump; 8. Hydrogen fuel cell stack; 801. Connecting pipe; 9. Micro-wind power generation device; 10. Mounting frame; 11. Folding frame; 12. Photovoltaic panel; 13. Support legs. Detailed Implementation
[0027] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.
[0028] Example:
[0029] As attached Figure 1 To be continued Figure 6 As shown:
[0030] This utility model provides a multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage, including a main body 1;
[0031] The main body 1 is the multi-energy complementary power supply cabinet body; the main body 1 has a power generation area 103 and an energy storage and distribution area 102 inside; the top of the main body 1 is connected to the micro wind power generation device 9 by a mounting bracket; the connection method here facilitates the installation of the micro wind power generation device 9; the main body 1 has a mounting frame 10 on the side; the mounting frame 10 has folding frames 11 on both sides; the folding frames 11 are rotatably connected; photovoltaic panels 12 are rotatably installed between the mounting frames 10; the bottom of the folding frames 11 is rotatably installed with support feet 13; the folding frames 11 are connected to the photovoltaic panels 12; the micro wind power generation device 9 is equipped with a 5kW small wind turbine generator set, the wind turbine is connected to the 380V AC bus, and the wind turbine generator set is used as an auxiliary power generation energy source. It can be integrated and installed on the ground or in a multi-energy complementary power generation cabinet; the photovoltaic panel 10 is designed to have an installed capacity of 13.44 kW. After being stored, the folding frame 11 is attached to the back of the main body 1. The dimensions are 8m*2m*3m (length*width*height), which reduces the floor space and facilitates transportation. In case of extreme weather, it can be reinforced on the spot or stored and folded. During normal use, the folding frame 11 is extended to a suitable angle and position and locked to the ground support feet 9. After being extended, the floor space is 12m*8m (length*width). The ground needs to be locally hardened. This folding frame 11 is designed to withstand wind speeds of up to level 10.
[0032] The energy storage and power distribution area 102 is equipped with a battery mounting rack 2, a water-cooled control cabinet 3, and an electrical control cabinet 4; the water-cooled control cabinet 3 is located behind the battery mounting rack 2; the electrical control cabinet 4 is located to the left of the battery mounting rack 2 and the water-cooled control cabinet 3; a power battery 201 is installed on the battery mounting rack 2.
[0033] The power generation area 103 is equipped with a methanol-to-hydrogen generator 5, a solid hydrogen storage tank 6, a split-type air source heat pump 7, and a hydrogen fuel cell stack 8. The solid hydrogen storage tank 6 is located to the left of the methanol-to-hydrogen generator 5. The split-type air source heat pump 7 is located behind the methanol-to-hydrogen generator 5. The hydrogen fuel cell stack 8 is located behind the solid hydrogen storage tank 6 and to the left of the split-type air source heat pump 7. The power battery 201 and each power generation device can be separated by the energy storage and distribution area 102 and the power generation area 103. The split-type air source heat pump 7 can provide electricity to the power generation system and provide hot water for domestic and work purposes as needed. At the same time, the hot water can provide heat to the solid hydrogen storage tank 6 to release the stored hydrogen.
[0034] Among them, such as Figure 1 As shown, the main body 1 has a partition inside; the main body 1 adopts a container design; a cabinet door 101 is installed on the main body 1 via hinges; a split-type air source heat pump 7 can be externally connected to the main body 1; the photovoltaic panel 12 is connected to the power battery 201 via a quick-connect plug on the side of the main body 1; the photovoltaic panel 12 is connected to the quick-connect plug of the main body 1 via a cable, and an MPPT controller is connected to the quick-connect plug, thereby inputting the generated electrical energy into the power battery 201 for storage, which is the prior art known in the art.
[0035] Among them, such as Figure 1 As shown, the water-cooled control cabinet 3 is equipped with a water supply pump 301, a circulation pump 302, and a heat exchanger 303. The inlet pipe of the water supply pump 301 is connected to an external water tank; the outlet pipe of the water supply pump 301 is connected to the inlet pipe of the circulation pump 302; the outlet pipe of the circulation pump 302 is connected to the inlet pipe of the power battery 201; the outlet pipe of the power battery 201 is connected to the inlet pipe of the hydrogen fuel cell stack 8; the outlet pipe of the hydrogen fuel cell stack 8 is connected to the inlet pipe of the heat exchanger 303; and the outlet pipe of the heat exchanger 303 is connected to the inlet pipe of the split-type air source heat pump 7. The outlet pipe of the air source heat pump 7 is connected to the inlet pipe of the circulation pump 302. The water supply required for the flow of each pipe can be replenished by the external water tank of the water replenishment pump 301. The water flow can be circulated through the power battery 201, the hydrogen fuel cell stack 8 and the split air source heat pump 7 in sequence by the circulation pump 302. When heat needs to be recovered and reused, the water circulation cooling system recovers the heat generated during the power generation process of the methanol hydrogen fuel cell. The reheated water is preheated by the heat exchanger 303 to reduce the energy consumption of the heat pump.
[0036] Among them, such as Figure 3 As shown, the solid hydrogen storage cylinder 6 has a fixed base 601 at its bottom; the solid hydrogen storage cylinder 6 is connected to the hydrogen fuel cell stack 8 through a pipe; the solid hydrogen storage cylinder 6 is connected to the methanol-to-hydrogen generator 5 through a pipe; the hydrogen fuel cell stack 8 is connected to the methanol-to-hydrogen generator 5 through a pipe; the solid hydrogen storage cylinder 6 is connected to a split-type air source heat pump 7; one output pipe of the methanol-to-hydrogen generator 5 can directly supply hydrogen to the hydrogen fuel cell stack 8 for power generation, and the other output pipe is connected to the solid hydrogen storage cylinder 63 through a hydrogen booster pump to recover and pressurize the hydrogen that the system failed to generate electricity due to shutdown and supply it to the solid hydrogen storage cylinder 6; when the power generation system is short of methanol raw materials or the hydrogen production system fails, the solid hydrogen storage cylinder 6 releases hydrogen to the hydrogen fuel cell stack 8 to provide emergency power output.
[0037] Among them, such as Figure 3 As shown, a connecting pipe 801 is provided on the hydrogen fuel cell stack 8; the connecting pipe 801 is connected to the main body 1, and the connecting pipe 801 is located outside the main body 1.
[0038] Among them, such as Figure 3 As shown, the capacity of the power battery 201 is adjusted according to the actual number of prefabricated houses and the capacity of the photovoltaic system on site; the power battery 201 and the micro wind power generation device 9 are both connected to the 380V AC bus, and the current input and output are handled by the electrical control cabinet 4.
[0039] Among them, such as Figure 3As shown, mounting components 104 are provided on the front and rear sides of the main body 1; the mounting components 104 are located inside the power generation area 103; an intake fan 105 is installed inside the rear mounting component 104; an exhaust fan 106 is installed inside the front mounting component 104; a hydrogen detection cabinet 107 is installed on the front mounting component 104; a hydrogen leak detector is installed inside the hydrogen detection cabinet 107; the mounting components 104 are used to fix the intake fan 105 and the exhaust fan 106, and the hydrogen leak detector installed inside the hydrogen detection cabinet 107 can monitor the hydrogen concentration inside the power generation area 103. If a leak is detected, the intake fan 105 and the exhaust fan 106 can be rotated through the hydrogen detection cabinet 107, so that the air inside the power generation area 103 can circulate quickly, and the hydrogen can be quickly discharged to the outside, avoiding accidents.
[0040] The specific usage and function of this embodiment are as follows:
[0041] In this utility model, the main body 1 is internally divided into two parts: a power generation area 103 and an energy storage and distribution area 102. The power generation area 103 houses a split-type air-source heat pump 7 and a methanol-hydrogen generator, and externally is equipped with a micro-wind power generation device 9 and foldable photovoltaic panels 10. Each unit is equipped with gas and heat dissipation ducts. The energy storage area includes a centralized energy storage box, a water-cooled control cabinet 3, and a transformer distribution box, and is equipped with a constant temperature and fire safety system. The entire system is designed modularly to improve energy utilization efficiency, reduce energy loss, and increase economic benefits. In the event of a hydrogen leak, the hydrogen detector inside the hydrogen detection cabinet 107 can monitor the hydrogen concentration and transmit the signal to the hydrogen detection cabinet 107. The hydrogen detection cabinet 107 then controls the rotation of the intake fan 105 and the exhaust fan 106, thereby enabling rapid air circulation inside the power generation area 103 and quickly expelling the leaked hydrogen to the outside. At the same time, the hydrogen detection cabinet 107 is equipped with an alarm module that can transmit alarm signals to the back-end system, allowing for timely handling of the leak and preventing accidents.
Claims
1. A multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage, characterized in that: Includes the main body (1); The main body (1) is a multi-energy complementary power supply cabinet body; the main body (1) is provided with a power generation area (103) and an energy storage and distribution area (102); the top of the main body (1) is connected to the micro wind power generation device (9) by a mounting bracket; the main body (1) is provided with a mounting frame (10) on the side; the mounting frame (10) is provided with folding frames (11) on both sides; the folding frames (11) are rotatably connected; photovoltaic panels (12) are rotatably installed between the mounting frames (10); the bottom of the folding frames (11) is rotatably installed with support feet (13); the folding frames (11) are connected to the photovoltaic panels (12); The energy storage and power distribution area (102) is equipped with a battery mounting rack (2), a water-cooled control cabinet (3) and an electrical control cabinet (4); the water-cooled control cabinet (3) is located behind the battery mounting rack (2); the electrical control cabinet (4) is located to the left of the battery mounting rack (2) and the water-cooled control cabinet (3); a power battery (201) is installed on the battery mounting rack (2). The power generation area (103) is equipped with a methanol-to-hydrogen generator (5), a solid hydrogen storage cylinder (6), a split-type air source heat pump (7), and a hydrogen fuel cell stack (8); the solid hydrogen storage cylinder (6) is located to the left of the methanol-to-hydrogen generator (5); the split-type air source heat pump (7) is located behind the methanol-to-hydrogen generator (5); the hydrogen fuel cell stack (8) is located behind the solid hydrogen storage cylinder (6) and to the left of the split-type air source heat pump (7).
2. The wind-solar-hydrogen storage multi-energy complementary power supply cabinet according to claim 1, characterized in that: The main body (1) is equipped with a partition; the main body (1) adopts a container design; the main body (1) is equipped with a cabinet door (101) by hinges; the split-type air source heat pump (7) can be connected to the outside of the main body (1); the photovoltaic panel (12) is connected to the power battery (201) through a quick plug on the side of the main body (1).
3. The wind-solar-hydrogen storage multi-energy complementary power supply cabinet according to claim 2, characterized in that: The water-cooled control cabinet (3) is equipped with a water replenishment pump (301), a circulation pump (302), and a heat exchanger (303). The water inlet pipe of the water replenishment pump (301) is connected to an external water tank. The water outlet pipe of the water replenishment pump (301) is connected to the water inlet pipe of the circulation pump (302). The water outlet pipe of the circulation pump (302) is connected to the water inlet pipe of the power battery (201). The water outlet pipe of the power battery (201) is connected to the water inlet pipe of the hydrogen fuel cell stack (8). The water outlet pipe of the hydrogen fuel cell stack (8) is connected to the water inlet pipe of the heat exchanger (303). The water outlet pipe of the heat exchanger (303) is connected to the water inlet pipe of the split-type air source heat pump (7). The water outlet pipe of the air source heat pump (7) is connected to the water inlet pipe of the circulation pump (302).
4. The wind-solar-hydrogen storage multi-energy complementary power supply cabinet according to claim 1, characterized in that: The solid hydrogen storage cylinder (6) is provided with a fixed base (601) at the bottom; the solid hydrogen storage cylinder (6) is connected to the hydrogen fuel cell stack (8) through a pipe; the solid hydrogen storage cylinder (6) is connected to the methanol-to-hydrogen generator (5) through a pipe; the hydrogen fuel cell stack (8) is connected to the methanol-to-hydrogen generator (5) through a pipe; the solid hydrogen storage cylinder (6) is connected to a split-type air source heat pump (7).
5. A multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage according to claim 1, characterized in that: The hydrogen fuel cell stack (8) is provided with a connecting pipe (801); the connecting pipe (801) is connected to the main body (1), and the connecting pipe (801) is located outside the main body (1).
6. A multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage according to claim 2, characterized in that: The capacity of the power battery (201) is adjusted according to the actual number of photovoltaic system units on site; the power battery (201) and the micro wind power generation device (9) are both connected to the 380V AC bus and the current is connected and sent out through the electrical control cabinet (4).
7. A multi-energy complementary power supply cabinet for wind, solar, alcohol, hydrogen, and energy storage according to claim 1, characterized in that: The main body (1) has mounting parts (104) on both the front and rear sides; the mounting parts (104) are located inside the power generation area (103); an intake fan (105) is installed inside the rear mounting part (104); an exhaust fan (106) is installed inside the front mounting part (104); a hydrogen detection cabinet (107) is installed on the front mounting part (104); and a hydrogen leak detector is installed inside the hydrogen detection cabinet (107).