Zero-carbon unit type multi-split multi-supply system
By designing a zero-carbon unit-type multi-generation and multi-supply system, and utilizing a two-stage Carnot cycle device combining photovoltaic power generation and wind power generation, the complex and cumbersome problems of clean energy systems are solved, achieving the satisfaction of various energy needs and zero carbon emissions, and the system has a variety of combined operation modes.
Patent Information
- Application Number
- CN202510972042.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-15
- Publication Date
- 2025-11-21
AI Technical Summary
In existing technologies, clean energy systems are complex and cumbersome, making it difficult to simultaneously meet the diverse needs of new energy vehicle charging, electric vehicle charging, air conditioning energy consumption, domestic hot water supply, purified water supply, and household or industrial heating and drying.
Design a zero-carbon unit-type multi-generation system that combines photovoltaic power generation and wind power generation. Through a two-stage Carnot cycle device and a DC-to-AC converter, it realizes water heating and heat exchange, and provides multiple functions such as steam supply, hot air supply, domestic hot water supply, cooling supply, and heating supply.
This multi-functional energy supply system achieves zero carbon emissions and can meet a variety of energy needs, including car charging, air conditioning, domestic hot water supply, purified water supply, and domestic or industrial heating and drying. The system can be combined and operated in a variety of ways, with up to 513 possible combinations.
Smart Images
Figure CN120991480A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of clean energy system technology, specifically relating to a zero-carbon unit-type multi-generation and multi-supply system. Background Technology
[0002] In recent years, the large-scale use of fossil fuels has led to global warming, a major concern that has exacerbated environmental pollution. Clean energy is seen as a more ideal alternative energy source, with photovoltaic power generation being a prime example. Clean energy can be utilized in various aspects of daily life, such as fast and slow charging of new energy vehicles, electric vehicle charging, cooling, heating, providing domestic hot water, steam, dryers, and supplying purified or distilled water. However, setting up separate energy supply systems for each would be complex and cumbersome. Therefore, it is necessary to provide zero-carbon systems capable of simultaneous multi-generation and multi-supply. Summary of the Invention
[0003] To address the shortcomings of existing technologies, this invention provides a zero-carbon unit-type multi-generation and multi-supply system. This invention can meet multiple requirements for new energy vehicle charging, electric vehicle charging, air conditioning energy consumption, domestic hot water supply, purified water supply, and domestic or industrial heating and drying.
[0004] The technical solution provided by this invention is as follows: A zero-carbon unit-type multi-generation power supply system, comprising at least: A power generation device, wherein the power generation device is a photovoltaic power generation device and / or a wind power generation device; A DC-to-AC converter electrically connected to the power generation device; A first Carnot cycle device includes a cold pipe, a first compressor, a first heat exchanger and a first expansion valve connected in sequence, the first expansion valve being connected to the cold pipe and the first compressor being electrically connected to the DC to AC converter; The second Carnot cycle device includes a heat pipe, a second compressor, a second heat exchanger, and a second expansion valve connected in sequence. The second expansion valve is connected to the heat pipe, and the second compressor is electrically connected to the DC-to-AC converter. The heat pipe is arranged correspondingly to the first heat exchanger for heat exchange. And a multi-supply system, the multi-supply system having a heat exchanger, the heat exchanger and the second heat exchanger being correspondingly arranged to perform heat exchange.
[0005] Based on the above technical solution, water or other media are used in the heat exchanger. The zero-carbon unit-type multi-generation system can generate electricity through photovoltaic power generation and heat the water in the heat exchanger into high-temperature steam through a two-stage Carnot cycle device, thereby realizing multiple functions such as supplying soft water, steam and hot air.
[0006] further: The first heat exchanger includes a first heat exchange unit and a second heat exchange unit connected in parallel; The heat pipe is configured correspondingly to the first heat exchange unit; The second heat exchange unit is equipped with a hot water pipe, and the two ends of the hot water pipe are respectively connected to a cold water inlet three-way valve and a first fluid delivery pump. The first fluid delivery pump is electrically connected to the DC to AC converter and connected to the hot water outlet three-way valve. The cold water inlet three-way valve and the hot water outlet three-way valve are respectively connected to the water supply pipes; The cold water inlet three-way valve is connected to the bottom of the water supply tank, and the hot water outlet three-way valve is connected to the top of the water supply tank. The water supply tank is also connected to the second heat exchange unit through the water supply valve.
[0007] Based on the above technical solution, the water supplied by the water supply tank can also be heated by the heat exchange unit in the first Carnot cycle device, thereby providing domestic hot water.
[0008] Further: The first heat exchanger also includes a third heat exchange unit; The zero-carbon unit-type multi-generation and multi-supply system also includes a heating load, a second fluid transfer pump and a third heat exchanger connected in sequence. The third heat exchanger is connected to the heating load. The third heat exchange unit and the third heat exchanger are arranged accordingly to perform heat exchange. The second fluid delivery pump is electrically connected to the DC-to-AC converter.
[0009] Based on the above technical solution, the heat exchange unit in the first Carnot cycle device can also provide a heat source for the heating load, thereby generating heat.
[0010] Further: The zero-carbon unit-type multi-generation and multi-supply system also includes a cooling load, a third fluid transfer pump and a fourth heat exchanger connected in sequence, and the fourth heat exchanger is also connected to the cooling load; The cold pipe and the fourth heat exchanger are respectively installed to perform refrigeration; The third fluid delivery pump is electrically connected to the DC-to-AC converter.
[0011] Based on the above technical solution, the cooling load can also be provided with a cold source through the cold pipe in the first Carnot cycle device, thereby achieving refrigeration.
[0012] Furthermore, the DC-to-AC converter is also electrically connected to an electric vehicle charging device.
[0013] Based on the above technical solutions, photovoltaic power generation can also be used to power electric vehicle charging equipment.
[0014] Furthermore, the DC-to-AC converter is also electrically connected to a fast charging pile for new energy vehicles.
[0015] Based on the above technical solutions, photovoltaic power generation can also be used to power fast charging piles for new energy vehicles.
[0016] Furthermore, the DC-to-AC converter is also electrically connected to a slow charging pile for new energy vehicles.
[0017] Based on the above technical solutions, photovoltaic power generation can also be used to power slow charging piles for new energy vehicles.
[0018] Furthermore, the DC-to-AC converter is also electrically connected to an energy storage device.
[0019] Based on the above technical solutions, photovoltaic power generation can also be used to power energy storage devices.
[0020] Specifically: The multi-supply system includes at least a pure water supply tank, a water pump, a heat exchanger, valves, and a steam supply pipeline that are connected in sequence. The water pump is electrically connected to the DC-to-AC converter.
[0021] Based on the above technical solution, steam can be provided by a multi-supply system through photovoltaic power generation.
[0022] Further: The multi-supply system also includes a hot air dryer; The hot air dryer includes a fan and a hot chamber connected in sequence. A high-temperature pipe is installed in the hot chamber. One end of the high-temperature pipe is connected to the heat exchanger, and the other end of the high-temperature pipe is connected to a soft water collection tank. The wind turbine is electrically connected to the DC-to-AC converter.
[0023] Based on the above technical solutions, photovoltaic power generation can be used, and multiple supply systems can also provide soft water and hot air for drying.
[0024] The beneficial effects of this invention are as follows: 1) Achieve zero-carbon technology; 2) It can meet the energy needs of individual units, including car charging, air conditioning, domestic hot water supply, and purified water supply. Steam supply can also meet the heating and drying requirements of households or industries. 3) From single energy supply to zero-carbon unit nine-unit combined power supply, it can realize any functional combination of the nine units, and its combined operation can reach up to 513 types. Attached Figure Description
[0025] Figure 1 This is a system diagram of the zero-carbon unit-type multi-generation and multi-supply system provided by the present invention.
[0026] Appendix Figure 1 The structures represented by each label are listed below: 1. Power generation unit; 2. DC to AC converter; 31. Cooling pipe; 32. First compressor; 33. First heat exchanger; 34. First expansion valve; 35. First heat exchange unit; 36. Second heat exchange unit; 37. Third heat exchange unit; 38. First fluid transfer pump; 39. Water supply tank; 41. Heat pipe; 42. Second compressor; 43. Second heat exchanger; 44. Second expansion valve; 51. Heat exchanger; 52. Pure water supply tank; 53. Water pump; 54. Valve; 55. Steam supply pipe; 56. Fan; 57. High temperature pipe; 58. Soft water collection tank; 61. Heating load; 62. Second fluid transfer pump; 63. Third heat exchanger; 71. Cooling load; 72. Third fluid transfer pump; 73. Fourth heat exchanger; 8. Electric vehicle charging equipment; 9. Fast charging pile for new energy vehicles; 10. Slow charging pile for new energy vehicles; 11. Energy storage device. Detailed Implementation
[0027] The principles and features of the present invention are described below. The embodiments given are only for explaining the present invention and are not intended to limit the scope of the present invention.
[0028] Example 1 like Figure 1 As shown, the zero-carbon unit-type multi-generation power supply system includes: a power generation unit 1, a DC-to-AC converter 2 electrically connected to the power generation unit 1, a first Carnot cycle device, a second Carnot cycle device, and a multi-generation power supply system.
[0029] The first Carnot cycle device includes a cold pipe 31, a first compressor 32, a first heat exchanger 33 and a first expansion valve 34 connected in sequence. The first expansion valve 34 is connected to the cold pipe 31, and the first compressor 32 is electrically connected to a DC to AC converter 2.
[0030] The second Carnot cycle device includes a heat pipe 41, a second compressor 42, a second heat exchanger 43, and a second expansion valve 44 connected in sequence. The second expansion valve 44 is connected to the heat pipe 41. The second compressor 42 is electrically connected to a DC-to-AC converter 2. The heat pipe 41 is correspondingly arranged with the first heat exchanger 33 for heat exchange. For example, a shell-and-tube heat exchanger can be used, with the first heat exchanger 33 corresponding to the tube side and the heat pipe 41 corresponding to the shell side.
[0031] The multi-supply system has a heat exchanger 51, and a second heat exchanger 43 is correspondingly arranged to perform heat exchange. For example, a shell-and-tube heat exchanger can be used, with the second heat exchanger 43 corresponding to the tube side and the heat exchanger 51 corresponding to the shell side.
[0032] In one embodiment, the multi-supply system includes at least a purified water supply tank 52, a water pump 53, a heat exchanger 51, a valve 54, and a steam supply pipe 55, which are connected in sequence. The water pump 53 is electrically connected to a DC-to-AC converter 2. A steam trap may be installed between the purified water supply tank and the water pump.
[0033] The working fluid used in the first Carnot cycle unit can be HBR22 from Hubei Green Refrigeration High-Tech Holding Group Co., Ltd. The working fluid used in the second Carnot cycle unit can be HBR22-1 from Hubei Green Refrigeration High-Tech Holding Group Co., Ltd. The first heat exchanger 33 in the first Carnot cycle unit heats the heat pipe 41 of the second Carnot cycle unit, allowing the outlet temperature of the heat pipe 41 to reach above 45 degrees Celsius. Then, after passing through the second compressor 42, the temperature can reach as high as 110 degrees Celsius, further heating the water in the heat exchanger 51 to obtain steam.
[0034] In another embodiment, the multi-supply system further includes a hot air dryer, which comprises a fan 56 and a hot chamber connected in sequence. A high-temperature pipe 57 is installed inside the hot chamber, with one end of the high-temperature pipe 57 connected to a heat exchanger 51 and the other end connected to a soft water collection tank 58. The fan 56 is electrically connected to a DC-to-AC converter 2. Steam enters the high-temperature pipe 57 and exchanges heat with the air supplied by the fan, condensing into soft water. The air supplied by the fan is heated, enabling hot air drying.
[0035] In one embodiment, the power generation device 1 employs a separate photovoltaic power generation device. In another embodiment, the power generation device 1 employs a separate wind power generation device. In yet another embodiment, the power generation device 1 employs a combination of a photovoltaic power generation device and a wind power generation device.
[0036] Example 2 Based on Example 1, such as Figure 1 As shown, the first heat exchanger 33 includes a first heat exchange unit 35 and a second heat exchange unit 36 arranged in parallel; heat pipes 41 are correspondingly arranged with the first heat exchange unit 35; the second heat exchange unit 36 is correspondingly provided with a hot water exchange pipe, the two ends of which are respectively connected to a cold water inlet three-way valve and a first fluid transfer pump 38. The first fluid transfer pump 38 is electrically connected to a DC-to-AC converter 2 and connected to a hot water outlet three-way valve. The first heat exchange unit 35 corresponds to the tube side of the heat exchange structure, and the heat pipes 41 correspond to the shell side.
[0037] The inlet cold water three-way valve and the outlet hot water three-way valve are respectively connected to the water supply pipes. The inlet cold water three-way valve is connected to the bottom of the water supply tank 39, and the outlet hot water three-way valve is connected to the top of the water supply tank 39. The water supply tank 39 is also connected to the second heat exchange unit 36 through the water supply valve. The second heat exchange unit 36 corresponds to the tube side of the heat exchange structure, and the hot water tube corresponds to the shell side.
[0038] The second heat exchange unit 36 heats the water in the hot water pipe, and the temperature can reach above 45 degrees Celsius.
[0039] Example 3 Based on the above embodiments, such as Figure 1 As shown, the first heat exchanger 33 also includes a third heat exchange unit 37. The zero-carbon unit-type multi-generation system also includes a heating load 61, a second fluid transfer pump 62, and a third heat exchanger 63 connected in sequence. The third heat exchanger 63 is connected to the heating load 61, and the third heat exchange unit 37 and the third heat exchanger 63 are correspondingly arranged for heat exchange. The second fluid transfer pump 62 is electrically connected to a DC-to-AC converter 2. For example, a shell-and-tube heat exchanger can be used, with the third heat exchange unit 37 corresponding to the tube side and the third heat exchanger 63 corresponding to the shell side.
[0040] The third heat exchanger 63 can use HBR22 working fluid from Hubei Green Cooling High-Tech Holding Group Co., Ltd. The third heat exchange unit 37 heats the working fluid in the third heat exchanger 63 to a temperature of up to 45 degrees Celsius or higher, for use by the heating load 61.
[0041] The working fluid for the third heat exchanger 63 can be HBR22 from Hubei Green Cooling High-Tech Holding Group Co., Ltd.
[0042] Example 4 Based on the above embodiments, such as Figure 1 As shown, the zero-carbon unit-type multi-generation system also includes a cooling load 71, a third fluid transfer pump 72 and a fourth heat exchanger 73 connected in sequence. The fourth heat exchanger 73 is also connected to the cooling load 71, and the third fluid transfer pump 72 is electrically connected to the DC to AC converter 2.
[0043] The cold pipe 31 and the fourth heat exchanger 73 are arranged correspondingly for refrigeration. For example, a shell-and-tube heat exchanger can be used, with the cold pipe 31 corresponding to the tube side and the fourth heat exchanger 73 corresponding to the shell side.
[0044] The working fluid for the fourth heat exchanger 73 can be HBR22 from Hubei Lvleng High-Tech Holding Group Co., Ltd. The cooling pipe 31 cools the fourth heat exchanger 73 to a temperature as low as approximately 5 degrees Celsius.
[0045] Example 5 Based on the above embodiments, such as Figure 1 As shown, the DC-to-AC converter 2 is also electrically connected to the electric vehicle charging equipment 8.
[0046] Example 6 Based on the above embodiments, such as Figure 1 As shown, the DC-to-AC converter 2 is also electrically connected to the fast charging pile 9 for new energy vehicles.
[0047] Example 7 Based on the above embodiments, such as Figure 1 As shown, the DC-to-AC converter 2 is also electrically connected to the new energy vehicle slow charging pile 10.
[0048] Example 8 Based on the above embodiments, such as Figure 1 As shown, the DC-to-AC converter 2 is also electrically connected to the energy storage device 11.
[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A zero-carbon unit-type multi-generation and multi-supply system, characterized in that, At least including: Power generation device (1), wherein the power generation device (1) is a photovoltaic power generation device and / or a wind power generation device; The DC to AC converter (2) is electrically connected to the power generation device (1); The first Carnot cycle device includes a cold pipe (31), a first compressor (32), a first heat exchanger (33) and a first expansion valve (34) connected in sequence. The first expansion valve (34) is connected to the cold pipe (31), and the first compressor (32) is electrically connected to the DC to AC converter (2). The second Carnot cycle device includes a heat pipe (41), a second compressor (42), a second heat exchanger (43), and a second expansion valve (44) connected in sequence. The second expansion valve (44) is connected to the heat pipe (41), and the second compressor (42) is electrically connected to the DC to AC converter (2). The heat pipe (41) is correspondingly arranged with the first heat exchanger (33) for heat exchange. And a multi-supply system, the multi-supply system having a heat exchanger (51), the heat exchanger (51) and the second heat exchanger (43) being arranged accordingly for heat exchange.
2. The zero-carbon unit-type multi-generation and multi-supply system according to claim 1, characterized in that: The first heat exchanger (33) includes a first heat exchange unit (35) and a second heat exchange unit (36) arranged in parallel. The heat pipe (41) is correspondingly arranged with respect to the first heat exchange unit (35); The second heat exchange unit (36) is equipped with a hot water pipe. The two ends of the hot water pipe are respectively connected to the cold water inlet three-way valve and the first fluid delivery pump (38). The first fluid delivery pump (38) is electrically connected to the DC to AC converter (2) and connected to the hot water outlet three-way valve. The cold water inlet three-way valve and the hot water outlet three-way valve are respectively connected to the water supply pipe; The cold water inlet three-way valve is also connected to the bottom of the water supply tank (39), and the hot water outlet three-way valve is also connected to the top of the water supply tank (39). The water supply tank (39) is also connected to the second heat exchange unit (36) through the water supply valve.
3. The zero-carbon unit-type multi-generation and multi-supply system according to claim 2, characterized in that: The first heat exchanger (33) also includes a third heat exchange unit (37); The zero-carbon unit-type multi-generation system also includes a heating load (61), a second fluid transfer pump (62) and a third heat exchanger (63) connected in sequence. The third heat exchanger (63) is connected to the heating load (61). The third heat exchange unit (37) and the third heat exchanger (63) are correspondingly arranged to perform heat exchange. The second fluid delivery pump (62) is electrically connected to the DC to AC converter (2).
4. The zero-carbon unit-type multi-generation and multi-supply system according to claim 1, characterized in that: The zero-carbon unit-type multi-generation system also includes a cooling load (71), a third fluid transfer pump (72) and a fourth heat exchanger (73) connected in sequence, and the fourth heat exchanger (73) is also connected to the cooling load (71). The cold pipe (31) and the fourth heat exchanger (73) are respectively arranged to perform refrigeration; The third fluid delivery pump (72) is electrically connected to the DC to AC converter (2).
5. The zero-carbon unit-type multi-generation and multi-supply system according to claim 1, characterized in that: The DC-to-AC converter (2) is also electrically connected to the electric vehicle charging equipment (8).
6. The zero-carbon unit-type multi-generation and multi-supply system according to claim 1, characterized in that: The DC-to-AC converter (2) is also electrically connected to the fast charging pile (9) for new energy vehicles.
7. The zero-carbon unit-type multi-generation and multi-supply system according to claim 1, characterized in that: The DC-to-AC converter (2) is also electrically connected to the new energy vehicle slow charging pile (10).
8. The zero-carbon unit-type multi-generation and multi-supply system according to claim 1, characterized in that: The DC-to-AC converter (2) is also electrically connected to the energy storage device (11).
9. The zero-carbon unit-type multi-generation and multi-supply system according to any one of claims 1 to 8, characterized in that: The multi-supply system includes at least a pure water supply tank (52), a water pump (53), a heat exchanger (51), a valve (54), and a steam supply pipe (55) arranged in sequence. The water pump (53) is electrically connected to the DC to AC converter (2).
10. The zero-carbon unit-type multi-generation and multi-supply system according to claim 9, characterized in that: The multi-supply system also includes a hot air dryer; The hot air dryer includes a fan (56) and a hot chamber connected in sequence. A high-temperature pipe (57) is provided in the hot chamber. One end of the high-temperature pipe (57) is connected to the heat exchanger (51), and the other end of the high-temperature pipe (57) is connected to the soft water collection tank (58). The fan (56) is electrically connected to the DC to AC converter (2).