Photoelectric hydrogen production combined heating, cooling and hot water supply device

Abstract

The present invention relates to a photoelectric hydrogen production combined heating, cooling and hot water supply device, which includes a photoelectric and photothermal component, an inverter and grid connection controller, a hydrogen generator, a hydrogen storage tank, a heat exchanger, a hot water tank, a makeup water tank, an energy storage tank, a cross-season heat storage pool, an outdoor exchanger, an indoor exchanger, a system controller, a solar circulation pump, a hot water supply pump, a refrigeration pump, a heat pump, and a heating or cooling circulation pump. The feature is that a photoelectric and photothermal group and a refrigeration system are used together to heat the heat storage working medium in the cross-season heat storage pool, ensuring all-weather solar heating, and a set of solar energy device can produce multiple products such as hydrogen, heat, cold, and hot water while generating electricity. The present invention realizes green zero-carbonization for building heating or cooling in people's production and life, and has a lower operating cost for the building heating or cooling system compared with products with single functions, and is a very practical solar energy utilization device.

Description

Technical Field

[0001] The present invention relates to a photoelectric hydrogen production combined heating, cooling and hot water supply device, belonging to the technical field of solar energy application. It is a photoelectric hydrogen production combined heating, cooling and hot water supply device, which can be widely applied to buildings in urban and rural areas and hydrogen-consuming industries. Background Art

[0002] At present, there is no such photoelectric hydrogen production combined heating, cooling and hot water supply device in this form. The existing solar energy utilization devices mainly have three methods: First, solar power generation; Second, solar heating; Third, solar cookers; With the large market demand, the solar energy industry has developed rapidly, and there are also a small number of trial-produced and demonstration products for solar cooling, solar energy and solar hydrogen production devices. At present, there is no such set of solar energy device that can simultaneously produce electricity, hydrogen, heat (heat for heating, simply referred to as heat, the same below), cold and hot water. It is very necessary to develop a photoelectric hydrogen production combined heating, cooling and hot water supply device, and the market prospect is broad. Summary of the Invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a photoelectric hydrogen production combined heating, cooling and hot water supply device, which can produce hydrogen, heat, cold and hot water while generating electricity, realizing a set of solar energy device to supply multiple products such as electricity and heat, achieving zero energy consumption for building energy use in urban and rural areas, and having low operation costs. It can realize people's green zero-carbon production and life, and is a very practical photoelectric hydrogen production combined heating, cooling and hot water supply device.

[0004] The technical solution adopted by the present invention is as follows: An optoelectronic hydrogen production combined heating, cooling and hot water supply device of the present invention includes an optoelectronic and photothermal component, an inverter and grid connection controller, a hydrogen production machine, a hydrogen storage tank, a heat exchanger, a hot water tank, a makeup water tank, an energy storage tank, a cross-season heat storage pool, an outdoor exchanger, an indoor exchanger, a system controller, a solar circulation pump, a hot water supply pump, a refrigeration pump, a heat pump, a heating or cooling circulation pump. It is characterized in that one side of the heat exchanger is connected to the solar circulation pump and the solar circulation pipe, and the other side is connected to a heating current limiting valve, a heat pump, a heating exchanger and a solar heating valve, forming a solar heating system. And a heating heat extractor and a heat storage heating valve are connected at both ends of the solar heating valve, so as to utilize the heat energy in the cross-season heat storage pool for heating on rainy and snowy days. A heating exchanger is provided inside the hot water tank, and a hot water outlet pipe of the hot water tank is provided outside. And it is connected by a hot water supply pump, a heat storage input pipe, a heat using valve, a heat using pipe, a heating heat exchange exchanger, a heat using return pipe or by a hot water supply pump, a heat storage input pipe, a heat storage valve, a heat storage exchanger, a heat storage return pipe to form a heating heat using circulation system to heat the heat storage cold liquid in the energy storage tank or the heat storage working medium in the cross-season heat storage pool. A heating heat exchanger and a refrigeration exchanger are provided inside the energy storage tank. The outer ends of the heating heat exchanger and the refrigeration exchanger are respectively connected to the heat using pipe, the heat using return pipe and the refrigeration pipe network. And the heating or cooling circulation pipe is connected to the heating or cooling circulation pump, the heating or cooling circulation pipe, and the indoor exchanger to form a building heating or cooling circulation system. A heat storage exchanger, a refrigeration first-stage radiator, a heating heat extractor and a heat storage working medium are provided inside the cross-season heat storage pool, and the heat storage working medium is liquid or solid. The outdoor exchanger is connected to the refrigeration pipe network, a refrigeration current limiting valve, a refrigeration exchanger, a refrigeration pump, and a refrigeration first-stage radiator to form a refrigeration system. And a blower of the outdoor exchanger is provided on one side of the outdoor exchanger. The outdoor exchanger is the second-stage radiator in the refrigeration system. The power consumption of the refrigeration pump is from the alternating current wire outside the inverter and grid connection controller. The hydrogen production machine is directly supplied with the direct current generated by the photovoltaic panels through a direct current wire. The tops of the hot water tank and the energy storage tank are on the same horizontal line, and the overflow pipes are connected as a whole. The inverter and grid connection controller invert the direct current generated by the photovoltaic panels except for hydrogen production into alternating current and supply it to all the electrical equipment in the system for use, and the excess electricity is directly output to the grid. The optoelectronic and photothermal component is composed of photovoltaic panels, a concentrator and a solar heating circulation pipe. And the solar heating circulation pipe is arranged on the back of the photovoltaic panels, and the concentrator is arranged on both sides of the photovoltaic panels. The working medium circulating in the refrigeration pump and the heat pump is a substance that can evaporate at low temperature, such as carbon dioxide and refrigerant. And a refrigeration current limiting valve or a heating current limiting valve is provided in the circulation pipe network to form a pressure difference at both ends of the inlet and outlet of the refrigeration pump and the heat pump, so as to realize refrigeration or heating.

[0005] The optoelectronic hydrogen production combined heating, cooling and hot water supply device uses the optoelectronic and photothermal group and the refrigeration system to jointly heat the heat storage working medium in the cross-season heat storage pool, and the heat energy is used for the heating season, ensuring all-weather heating by solar energy.

[0006] Furthermore, the system controller performs overall control to enable all electrical devices of the technical device to operate intelligently (connections of all wires and signal lines outside the system controller are omitted in the drawings).

[0007] Furthermore, the makeup water tank replenishes water to the hot water tank, and a makeup water pipe is provided on the makeup water tank.

[0008] Furthermore, the concentrator (omitted and not labeled in the drawings) concentrates the sunlight on both sides of the photovoltaic panel onto the photovoltaic panel, increasing the power generation of the photovoltaic panel and the temperature in the solar heating circulation pipe, and the concentrator performs north-south single-axis tracking.

[0009] Furthermore, most of the heat energy generated in the refrigeration system by the first-stage refrigeration radiator is stored in the seasonal heat storage tank, and the heat energy is used for heating on rainy and snowy days.

[0010] Furthermore, the heat storage exchanger stores the excess heat energy produced by hot water in summer in the seasonal heat storage tank, and the heat energy is used for heating in the heating season, making the all-weather heating of the system more guaranteed.

[0011] Furthermore, the heat storage coolant adopts working fluids such as antifreeze, heat-conducting oil, and blended water.

[0012] Furthermore, the refrigeration pump, heat pump, heating flow-limiting valve, refrigeration flow-limiting valve, outdoor exchanger, heating exchanger, and refrigeration exchanger all adopt general products in the air-conditioning industry to ensure the reliability of the system.

[0013] Furthermore, the solar circulation pump, hot water supply pump, and heating or cooling circulation pump all adopt general products on the market, which can reduce the system cost.

[0014] Furthermore, the heat storage exchanger and the heat exchanger for heating all adopt general products of heat exchangers on the market.

[0015] Furthermore, general products such as indoor exchangers, valves, pipe networks, and pipe fittings in the system all adopt general products on the market, which can reduce the manufacturing difficulty of the system.

[0016] Furthermore, the makeup water pipe is connected to the tap water pipe, and the produced hot water can be directly used for life and production.

[0017] Furthermore, the temperature probe and the liquid level probe provide relevant signals required by the system controller.

[0018] Furthermore, the photovoltaic panel and the concentrator are customized products, and a solar heating circulation pipe is provided on the back of the photovoltaic panel.

[0019] Further, the manufacturing and installation of the photoelectric and photothermal group are customized according to the application site environment.

[0020] Further, the hydrogen generator and hydrogen storage tank adopt general products on the market, which can reduce the manufacturing difficulty of the system, and the hydrogen generator is equipped with a DC voltage stabilization function.

[0021] Further, the inverter and grid connection controller adopt general products on the market.

[0022] The beneficial effects achieved by the present invention with the above structure are as follows: The present solution is a photoelectric hydrogen production combined heating, cooling and hot water supply device, which realizes that a set of solar energy device can produce multiple products such as hydrogen, heat, cold and hot water while generating electricity. Seasonal energy storage ensures all-weather heating with solar energy. Conventional energy is not used for heating or cooling, realizing green zero-carbonization of building heating or cooling. Compared with single-function products, the operation cost of the building heating or cooling system is low. It is a very practical photoelectric hydrogen production combined heating, cooling and hot water supply device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a main structural schematic diagram of a photoelectric hydrogen production combined heating, cooling and hot water supply device of the present invention.

[0024] Wherein, 1. Photoelectric and photothermal module, 2. Inverter and grid connection controller, 3. Hydrogen generator, 4. Hydrogen storage tank, 5. Heat exchanger, 6. Hot water tank, 7. Make-up water tank, 8. Energy storage tank, 9. Seasonal heat storage pool, 10. Outdoor exchanger, 11. Indoor exchanger, 12. System controller, 13. Solar circulation pump, 14. Hot water supply pump, 15. Refrigeration pump, 16. Heat pump for heating, 17. Heating or cooling circulation pump, 18. Photovoltaic panel, 19. Heat exchange for heating, 20. Heat storage exchanger, 21. Refrigeration exchanger, 22. Refrigeration primary radiator, 23. Heating heat extractor, 24. Outdoor exchanger fan, 25. Heating flow-limiting valve, 26. Refrigeration flow-limiting valve, 27. Heat using valve, 28. Heat storage valve, 29. Solar heat using valve, 30. Heat storage heat using valve, 31. Solar heat circulation pipe, 32. DC wire, 33. AC wire, 34. Hydrogen outlet pipe, 35. Hydrogen output pipe, 36. Make-up water pipe, 37. Hot water outlet pipe of hot water tank, 38. Heat storage input pipe, 39. Hot water using valve, 40. Heating or cooling circulation pipe, 41. Hot water using pipe, 42. Overflow pipe, 43. Heat using pipe, 44. Heat using return pipe, 45. Heat exchanger for heating, 46. Heat storage return pipe, 47. Refrigeration pipe network, 48. Heat storage cold liquid, 49. Heat storage working medium, 50. Exhaust pipe, 51. Temperature probe, 52. Liquid level probe, 53. Photoelectric and photothermal group, 54. Signal line and wire, 55. Building.

[0025] The accompanying drawings are used to provide a further understanding of the present invention and form a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. Detailed implementation manners

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] As Figure 1 shown, a photoelectric hydrogen production combined heating, cooling and hot water supply device of the present invention includes a photoelectric and photothermal component 1, an inverter and grid-connected controller 2, a hydrogen production machine 3, a hydrogen storage tank 4, a heat exchanger 5, a hot water tank 6, a makeup water tank 7, an energy storage tank 8, a cross-season heat storage pool 9, an outdoor exchanger 10, an indoor exchanger 11, a system controller 12, a solar circulation pump 13, a hot water supply pump 14, a refrigeration pump 15, a heat pump 16, a heating or cooling circulation pump 17, etc.

[0028] One side of the heat exchanger 5 is connected to the solar circulation pump 13 and the solar circulation pipe 31, and the other side is connected to the heating flow-limiting valve 25, the heat pump 16, the heating exchanger 19 and the solar heating valve 29 to form a solar heating system. The heating extractor 23 and the heat storage heating valve 30 are connected to both ends of the solar heating valve 29, so as to utilize the heat energy in the seasonal heat storage tank 9 for heating on rainy or snowy days. The heating exchanger 19 is arranged inside the hot water tank 6, and the hot water outlet pipe 37 of the hot water tank is arranged outside. The hot water supply pump 14, the heat storage input pipe 38, the heat using valve 27, the heat using pipe 43, the heating heat exchanger 45, the heat using return pipe 44 or the hot water supply pump 14, the heat storage input pipe 38, the heat storage valve 28, the heat storage exchanger 20, the heat storage return pipe 46 are connected to form a heating heat circulation system to heat the heat storage coolant 48 in the energy storage tank 8 or the heat storage working medium 49 in the seasonal heat storage tank 9. The heating heat exchanger 45 and the refrigeration exchanger 21 are arranged inside the energy storage tank 8. The outer ends of the heating heat exchanger 45 and the refrigeration exchanger 21 are respectively connected to the heat using pipe 43, the heat using return pipe 44 and the refrigeration pipe network 47. The heating or cooling circulation pipe 40, the heating or cooling circulation pump 17, the heating or cooling circulation pipe 40 and the indoor exchanger 11 are connected to form a building heating or cooling circulation system. The seasonal heat storage tank 9 is internally provided with a heat storage exchanger 20, a refrigeration primary radiator 22, a heating extractor 23 and a heat storage working medium 49, and the heat storage working medium 49 is in a liquid or solid state. The outdoor exchanger 10, the refrigeration pipe network 47, the refrigeration flow-limiting valve 26, the refrigeration exchanger 21, the refrigeration pump 15 and the refrigeration primary radiator 22 are connected to form a refrigeration system. One side of the outdoor exchanger 10 is provided with an outdoor exchanger fan 24. The outdoor exchanger 10 is a secondary radiator in the refrigeration system. The power consumption of the refrigeration pump 15 is supplied by the alternating current wire 33 outside the inverter and grid-connected controller 2. The hydrogen generator 3 is directly supplied with the direct current generated by the photovoltaic panel 18 through the direct current wire 32. The tops of the hot water tank 6 and the energy storage tank 8 are on the same horizontal line, and the overflow pipe 42 is connected as a whole. The inverter and grid-connected controller 2 converts the direct current generated by the photovoltaic panel 18 except for hydrogen production into alternating current and supplies it to all the electrical equipment in the system for use. The surplus electricity is directly output to the grid. The photovoltaic-thermal component 1 is composed of a photovoltaic panel 18, a concentrator and a solar heating circulation pipe 31. The solar heating circulation pipe 31 is arranged on the back of the photovoltaic panel 18, and the concentrator is arranged on both sides of the photovoltaic panel 18. The working medium circulated in the refrigeration pump 15 and the heat pump 16 is a substance that can evaporate at low temperature, such as carbon dioxide and refrigerant. A refrigeration flow-limiting valve 26 or a heating flow-limiting valve 25 is arranged in the circulation pipe network to form a pressure difference between the inlet and outlet ends of the refrigeration pump 15 and the heat pump 16, so as to realize refrigeration or heating.

[0029] The photovoltaic-hydrogen production combined heating, cooling and hot water supply device uses a photovoltaic-thermal group 53 and a refrigeration system to jointly heat the heat storage working medium 49 in the seasonal heat storage tank 9, and the heat energy is used in the heating season, so as to ensure all-weather solar heating.

[0030] The system controller 12 is the overall control, controlling the intelligent operation of all electrical equipment of the technical device (the connection of all wires and signal wires 54 outside the system controller 12 is omitted in the attached drawings).

[0031] The makeup water tank 7 supplies water to the hot water tank 6, and a makeup water pipe 36 is provided on the makeup water tank 7.

[0032] The concentrator (omitted and not marked in the attached drawings) concentrates the sunlight on both sides of the photovoltaic panel 18 onto the photovoltaic panel 18, improving the power generation of the photovoltaic panel 18 and the temperature in the solar heat collection circulation pipe 31, and the concentrator is a north-south single-axis tracking type.

[0033] The first-stage refrigeration radiator 22 stores most of the heat energy generated in the refrigeration system in the seasonal heat storage tank 9, and the heat energy is used for heating on rainy and snowy days.

[0034] The heat storage exchanger 20 stores the excess heat energy generated by producing hot water in summer in the seasonal heat storage tank 9, and the heat energy is used for heating in the heating season, making the all-weather heating of the system more guaranteed.

[0035] The heat storage coolant 48 adopts working media such as antifreeze, heat-conducting oil, and blended water.

[0036] The refrigeration pump 15, the heat pump 16, the heating flow-limiting valve 25, the refrigeration flow-limiting valve 26, the outdoor exchanger 10, the heating exchanger 19, and the refrigeration exchanger 21 all adopt general products in the air-conditioning industry to ensure the reliability of the system.

[0037] The solar circulation pump 13, the hot water supply pump 14, and the heating or cooling circulation pump 17 all adopt general products on the market, which can reduce the system cost.

[0038] The heat storage exchanger 20 and the heat exchanger 45 for heating both adopt general products of heat exchangers on the market.

[0039] The indoor exchanger 11, valves, pipe networks, pipe fittings, etc. in the system all adopt general products on the market, which can reduce the manufacturing difficulty of the system.

[0040] The makeup water pipe 36 is connected to the tap water pipe, and the produced hot water can be directly used for life and production.

[0041] The temperature probe 51 and the liquid level probe 52 provide the relevant signals required for the system controller.

[0042] The photovoltaic panel 18 and the concentrator are customized products, and a solar heat collection circulation pipe 31 is provided on the back of the photovoltaic panel 18.

[0043] The manufacturing and installation of the photoelectric and photothermal group 54 are customized according to the application site environment.

[0044] The hydrogen generator 4 and the hydrogen storage tank 5 adopt general products on the market, which can reduce the manufacturing difficulty of the system, and the hydrogen generator 5 is equipped with a DC voltage stabilization function.

[0045] The inverter and grid-connected controller 2 adopt general products on the market.

[0046] During specific use, when using the hot water in the photoelectric hydrogen production combined heating, cooling and hot water supply device of the present technology, just open the hot water valve 39. When using the present technology product to produce hydrogen, it can be operated by a qualified operator after training. When heating or cooling the building 55, the present technology product can be operated using the well-known air conditioning operation method.

[0047] It should be noted that in this article, relational terms such as "or" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "etc." or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0049] The above describes the present invention and its embodiments, and this description is not restrictive. What is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural modes and embodiments without creative work without departing from the purpose of the present invention, they shall fall within the protection scope of the present invention.

Claims

1. A photoelectric hydrogen production combined heating, cooling and hot water supply device, comprising a photoelectric and photothermal component, an inverter and grid-connected controller, a hydrogen generator, a hydrogen storage tank, a heat exchanger, a hot water tank, a makeup water tank, an energy storage tank, a seasonal heat storage pool, an outdoor exchanger, an indoor exchanger, a system controller, a solar circulation pump, a hot water supply pump, a refrigeration pump, a heat pump for hydrogen production, a heating or cooling circulation pump, characterized in that One side of the heat exchanger is connected to the solar circulation pump and the solar circulation pipe, and the other side is connected to the heating flow-limiting valve, the heat pump, the heating exchanger, and the solar heating valve, forming a solar heating system. Moreover, a heating heat extractor and a heat storage heating valve are connected to both ends of the solar heating valve. The hot water tank is internally provided with a heating exchanger and externally provided with a hot water outlet pipe of the hot water tank. And it is connected into a heating heat circulation system by a hot water supply pump, a heat storage input pipe, a heat consumption valve, a heat consumption pipe, a heating heat exchanger, and a heat consumption return pipe or by a hot water supply pump, a heat storage input pipe, a heat storage valve, a heat storage exchanger, and a heat storage return pipe to heat the heat storage cold liquid in the energy storage tank or the heat storage working medium in the seasonal heat storage pool. The energy storage tank is internally provided with a heating heat exchanger and a refrigeration exchanger. The outer ends of the heating heat exchanger and the refrigeration exchanger are respectively connected to the heat consumption pipe, the heat consumption return pipe, and the refrigeration pipe network. The outdoor exchanger is connected into a refrigeration system with the refrigeration pipe network, the refrigeration flow-limiting valve, the refrigeration exchanger, the refrigeration pump, and the first-stage refrigeration radiator.

2. The photo - electro - chemical hydrogen production combined heating, cooling and hot water supply device according to claim 1, wherein: The first-stage refrigeration radiator stores most of the heat energy generated in the refrigeration system in the seasonal heat storage pool.

3. The photo-electrochemical hydrogen production combined heating, cooling and hot water supply device according to claim 1, characterized in that: The inverter and grid-connection controller invert the direct current generated by the photovoltaic panels, except for hydrogen production, into alternating current and supply it to all the electrical equipment of the combined supply device for use, and directly output the excess electricity to the grid.

4. The photo-electrochemical hydrogen production combined heating, cooling and hot water supply device according to claim 1, characterized in that: The photovoltaic-thermal group and the refrigeration system are used together to heat the heat storage working medium in the seasonal heat storage pool.

5. The photo-electric hydrogen production combined heating, cooling and hot water supply device according to claim 1, characterized in that: The concentrator concentrates the sunlight on both sides of the photovoltaic panels onto the photovoltaic panels, increasing the power generation of the photovoltaic panels and the temperature in the solar heating circulation pipe.

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