CN117200467A - Hybrid energy system and control method thereof - Google Patents

Abstract

The application discloses a hybrid energy system and a control method thereof; the hybrid energy system comprises a photovoltaic assembly, an energy storage assembly, an air supply assembly and a fuel energy assembly; the photovoltaic module is used for converting solar energy into electric energy; the energy storage input end of the energy storage component is connected with the output end of the photovoltaic component and is used for receiving electric energy; the energy storage output end of the energy storage component is used for connecting and supplying power to the system load; the air supply input end of the air supply assembly is connected with the energy storage output end and is used for receiving electric energy to produce air; the fuel energy input end of the fuel energy component is connected with the gas supply output end and is used for receiving raw gas, the fuel energy output end of the fuel energy component is connected with the energy storage input end and is used for charging the energy storage component, and the fuel energy output end is used for connecting and supplying power to the system load. And the electric energy of the photovoltaic module is stored in the energy storage module, unstable electric energy is converted into stable electric energy, the stable electric energy is supplied to the system load and/or the air supply module, and the stability of the electric energy of the system is improved.

Description

Hybrid energy system and control method thereof

Technical Field

The application relates to the technical field of energy, in particular to a hybrid energy system and a control method thereof.

Background

With the development of the energy field, a single energy supply mode has corresponding system operation limitation, and cannot meet the increasing demands of human life and industrial production.

Disclosure of Invention

The application provides a hybrid energy system and a control method thereof, which are used for realizing low-cost and green operation of an energy supply system.

In order to solve the technical problems, a first aspect of the present application provides a hybrid energy system, which comprises a photovoltaic module, an energy storage module, an air supply module and a fuel energy module; the photovoltaic module comprises a solar power generation device and is used for converting solar energy into electric energy; the energy storage component is used for storing and releasing electric energy; the energy storage component comprises an energy storage input end and an energy storage output end, wherein the energy storage input end is connected with the output end of the photovoltaic component and is used for receiving electric energy; the energy storage output end is used for connecting a system load and supplying power to the system load; the air supply assembly is used for preparing air; the air supply assembly comprises an air supply input end and an air supply output end, and the air supply input end is connected with the energy storage output end and is used for receiving electric energy to produce air; the fuel energy component is used for receiving raw material gas and converting the raw material gas into electric energy; the fuel energy assembly comprises a fuel energy input end and a fuel energy output end, wherein the fuel energy input end is connected with the air supply output end and used for receiving the raw material gas, the fuel energy output end is connected with the energy storage input end and used for charging the energy storage assembly, and the fuel energy output end is also used for connecting a system load and supplying power to the system load.

Through photovoltaic module, energy storage subassembly, air feed subassembly, the energy-fired subassembly cooperation jointly forms hybrid energy system, energy storage subassembly, air feed subassembly, the input/output of energy-fired subassembly carries out above-mentioned setting, the electric energy storage that photovoltaic module produced is in energy storage subassembly, the electric energy that energy storage subassembly stored is used for supplying power to system load and/or air feed subassembly, air feed subassembly produces the raw materials gas under the electric energy effect, the energy-fired subassembly burns the raw materials gas and produces the electric energy, the electric energy that energy-fired subassembly produced is used for supplying power to system load and/or energy storage subassembly. The system load uses electric energy from the energy storage component or the combustion energy component, the electric energy of the energy storage component is from the photovoltaic component, the generation of the electric energy of the combustion energy component can be traced from the photovoltaic component, the photovoltaic component can generate electric energy by utilizing the energy, the cost is lower, and the whole system can operate in low cost and green. The electric energy generated by the photovoltaic module also has instability; through the electric energy storage that produces photovoltaic module at energy storage subassembly, with unstable electric energy conversion to stable electric energy, supply system load and/or air feed assembly again, improve the stability of system's electric energy supply system load, do benefit to the life of extension system load.

In an embodiment, the energy storage component comprises a first energy storage input end, a second energy storage input end and a third energy storage input end, wherein the first energy storage input end is connected with the photovoltaic component, the second energy storage input end is connected with the fuel energy component, and the third energy storage input end is used for being connected with a power grid. The energy storage assembly comprises an electric energy source photovoltaic assembly, a fuel energy assembly and a power grid, which are complementary with each other, so that stable and stable energy supply is realized, and the cost is lower.

In an embodiment, the energy storage component includes a first energy storage output end, a second energy storage output end and a third energy storage output end, the first energy storage output end is connected with the air supply input end, the second energy storage output end is used for being connected with the system load, and the third energy storage output end is used for being connected with an external load. The energy storage component distributes the electric energy to at least one of the air supply component, the system load and the external load, so that the stability of the electric energy used by the air supply component, the system load and the external load is maintained.

In an embodiment, the air supply assembly comprises a first air supply input end and a second air supply input end, wherein the first air supply input end is connected with the energy storage output end, and the second air supply input end is used for being connected with a power grid; the air supply assembly comprises a first air supply output end and a second air supply output end, wherein the first air supply output end is connected with the fuel energy input end, and the second air supply output end is used for being connected with the air storage tank. The electric energy of the air supply assembly is derived from the energy storage assembly and the power grid, the electric energy source of the energy storage assembly is referred to, the electric energy source of the energy storage assembly and the valley period cost are lower, the air generation is realized at lower cost, the cost of generating electric energy by the combustion energy assembly using the air generated by the air supply assembly as raw air is reduced, and the cost of the air stored in the air storage tank is reduced.

In one embodiment, the gas supply assembly comprises a water storage tank, an electrolytic tank connected with the water storage tank, a gas-liquid separator connected with the electrolytic tank, and a transition tank connected with the gas-liquid separator, wherein the transition tank is used for storing gas generated by electrolysis, and the transition tank is connected with the fuel energy input end. The gas supply assembly electrolyzes water to produce oxygen and hydrogen, and can be used as raw material gas for combustion of the combustion energy assembly to produce electric energy, so that the circulation of energy in the system is realized.

In one embodiment, the fuel energy assembly comprises a first fuel energy input end and a second fuel energy input end, wherein the first fuel energy input end is connected with the gas supply output end, and the second fuel energy input end is used for being connected with a gas filling device; the fuel energy assembly comprises a first fuel energy output end, a second fuel energy output end and a third fuel energy output end, wherein the first fuel energy output end is used for being connected with the system load, the second fuel energy output end is connected with the energy storage input end, and the third fuel energy output end is used for being connected with an external load. The input/output end of the fuel energy component is provided with the above arrangement, so that the diversity and applicability of the system function are increased.

In an embodiment, the energy system further comprises a control system, wherein the control system is respectively connected with the energy storage component, the air supply component and the fuel energy component and is used for regulating and controlling the input and/or output of the energy storage component, the air supply component and the fuel energy component, so that the automatic operation of the hybrid energy system is realized, and the energy is distributed more reasonably.

In one embodiment, the control system is configured to control the energy storage component to supply power to the air supply component when the electric quantity of the energy storage component is greater than or equal to a first threshold value; and/or the control system is used for controlling the energy storage component to supply power to an external load when the electric quantity of the energy storage component is greater than or equal to a second threshold value, wherein the second threshold value is greater than or equal to the first threshold value; and/or the control system is used for controlling the system load to supply power through a power grid and/or the fuel energy component when the electric quantity of the energy storage component is smaller than a third threshold value, and the third threshold value is smaller than the first threshold value. The control system controls the output direction according to the electric quantity of the energy storage component, controls the electric quantity of the energy storage component to be preferentially supplied to the system load, and the redundant electric energy is supplied to the air supply component and/or the external load, so that the self-sufficiency of the system for supplying power to the system load is preferentially realized, and the diversity of the system functions is realized on the basis.

In one embodiment, the control system is configured to control the energy storage assembly to supply power to the air supply assembly during peak power periods; and/or the control system is used for controlling the energy storage component to supply power to an external load during peak electricity period; and/or the control system is used for controlling the fuel energy assembly to supply power to the external load during peak electricity period. The control system controls the output of the energy storage component according to time, controls the energy storage component to supply power to at least one of the air supply component and the external load in the peak electricity period, and controls the fuel energy component to supply power to the external load in the peak electricity period, so that the power supply system is beneficial to reducing the cost compared with the power supply system which adopts a power grid to supply power to the air supply component or the external load in the peak electricity period.

In one embodiment, the control system is configured to control the fuel energy assembly to supply power to the system load when the power of the energy storage assembly is greater than or equal to a first threshold; and/or the control system is used for controlling the combustion energy assembly to charge the energy storage assembly when the electric quantity of the energy storage assembly is greater than or equal to a first threshold value, so that the stored electric quantity in the energy storage assembly can be increased, and self-sufficiency of the whole system for supplying energy to the system load can be realized.

In an embodiment, the control system is configured to control the energy storage component to charge through the power grid when the electric quantity of the energy storage component is less than a third threshold value, where the third threshold value is less than the first threshold value; and/or the control system is used for controlling the energy storage component to charge through a power grid in a valley period; and/or a control system is used for controlling the air supply assembly to supply power through a power grid during the valley period. By controlling the charging of the energy storage component and/or the air supply component through the power grid during the valley period, the low cost of the electric energy source of the energy storage component and/or the air supply component is maintained, and the low cost operation of the whole system is maintained.

In an embodiment, the hybrid energy system further includes a control system, where the control system is connected to the photovoltaic module, and is configured to obtain time information and position information of the solar power generation device, adjust an orientation and an inclination angle of the solar power generation device based on the position information and the time information, and the position information includes longitude and latitude information, so that solar energy is efficiently utilized, and power generation efficiency of the photovoltaic module is improved.

In one embodiment, the system load includes a motor system of the vehicle, which is beneficial to prolonging the cruising ability of the vehicle.

In order to solve the above technical problems, a second aspect of the present application provides a control method of the hybrid energy system described in any one of the above, including obtaining time information and/or electric quantity information of an energy storage component; regulating at least one of an input of the energy storage component, an output of the energy storage component, an input of the air supply component, and an output of the fuel energy component based on the time information; and/or, based on the electric quantity information of the energy storage component, at least one of the output of the energy storage component, the input of the air supply component and the output of the fuel energy component is regulated and controlled, the whole system can operate efficiently, the input and the output of the energy storage component, the air supply component and the fuel energy component can be synchronously regulated and controlled, and the energy consumption requirement is reasonably matched.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a hybrid energy system according to an embodiment of the present application;

FIG. 2 is a schematic view of the air supply assembly shown in FIG. 1;

FIG. 3 is a schematic view of the air supply assembly and the fuel assembly of FIG. 1;

fig. 4 is a schematic structural diagram of a hybrid energy system according to an embodiment of the present application.

In the accompanying drawings:

the photovoltaic module 11, the energy storage module 12, the energy storage input 121, the first energy storage input 121a, the second energy storage input 121b, the third energy storage input 121c, the energy storage output 122, the first energy storage output 122a, the second energy storage output 122b, the third energy storage output 122c, the air supply module 13, the air supply input 131, the first air supply input 131a, the second air supply input 131b, the air supply output 132, the first air supply output 132a, the second air supply output 132b, the air storage tank 133, the hydrogen storage tank 133a, the oxygen storage tank 133b, the water storage tank 134, the electrolysis tank 135, the gas-liquid separator 136, the hydrogen separator 136a, the oxygen separator 136b, the transition tank 137, the hydrogen transition tank 137a, the oxygen transition tank 137b, the fuel energy module 14, the fuel energy input 141, the first fuel energy input 141a, the second fuel energy input 141b, the fuel energy output 142, the first fuel energy output 142a, the second fuel energy output 142b, the third fuel energy output 142c, the control system 15, the control system 21, the gas-liquid separator 136, the gas separator 136a, the oxygen separator 136b, the external load device 24.

Detailed Description

In order to make the objects, technical solutions and effects of the present application clearer and more specific, embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two), unless otherwise specifically defined.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Amounts, ratios, and other numerical values are presented herein in a range format. It is to be understood that such range format is used for convenience and brevity and should be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range as if each numerical value and sub-range is explicitly recited.

All the steps of the present application may be performed sequentially, randomly, or in parallel, preferably sequentially, unless otherwise specified. For example, the method comprises steps (a) and (b), meaning that the method may comprise steps (a) and (b) performed sequentially, may comprise steps (b) and (a) performed sequentially, and may be performed simultaneously. For example, the method may further comprise step (c), meaning that step (c) may be added to the method in any order, e.g., the method may comprise steps (a), (b) and (c), may also comprise steps (a), (c) and (b), may also comprise steps (c), (a) and (b), etc.

One energy system commonly used in the prior art is a system for combining electrolytic hydrogen production with a hydrogen fuel cell. The system is a simple system, and corresponding system operation limitations exist. In view of this, the embodiment of the application provides a hybrid energy system, and various energy scheduling operation, management collaboration and complementation mutual aid, and the energy supply system is operated in a low-cost and green manner.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a hybrid energy system according to an embodiment of the present application, fig. 2 is a schematic structural diagram of an air supply assembly shown in fig. 1, and fig. 3 is a schematic structural diagram of the air supply assembly and a fuel assembly shown in fig. 1.

The hybrid energy system includes a photovoltaic module 11, an energy storage module 12, an air supply module 13, and a fuel energy module 14.

The photovoltaic module 11 includes a solar power generation device for converting solar energy into electric energy, that is, a device for converting solar energy into electric energy.

The energy storage component 12 is used for storing and releasing electric energy, i.e. the energy storage component 12 can be charged and discharged; alternatively, energy storage assembly 12 comprises a lithium battery. The energy storage assembly 12 includes an energy storage input 121 and an energy storage output 122. The energy storage input end 121 is connected with the output end of the photovoltaic module 11 and is used for receiving electric energy of the photovoltaic module 11. The energy storage output 122 is used to connect the system load 21 and to supply power to the system load 21. Wherein energy storage assembly 12 refers to a device capable of receiving and storing electrical energy, as well as releasing electrical energy; the energy storage input 121 refers to a port of the energy storage assembly 12 that receives electrical energy; the energy storage output 122 refers to a port through which the energy storage assembly 12 outputs electrical energy. The system load 21 refers to a load that consumes the electric power of the hybrid energy system.

The gas supply assembly 13 is used for producing gas. The air supply assembly 13 includes an air supply input 131 and an air supply output 132. The air supply input 131 is connected to the energy storage output 122 of the energy storage component 12, and is used for receiving electric energy, so that the air supply component 13 performs air making under the action of the electric energy. Wherein the gas supply assembly 13 refers to a device capable of receiving electric power and preparing gas under the action of the electric power; the air supply input 131 refers to a port through which the air supply assembly 13 receives electric power; the gas supply output 132 refers to an output port of the gas prepared by the gas supply assembly 13.

The fuel assembly 14 is configured to receive a feed gas and convert the feed gas into electrical energy. The fuel assembly 14 includes a fuel input 141 and a fuel output 142. The fuel energy input end 141 is connected to the gas supply output end 132 of the gas supply assembly 13, and is used for receiving the raw gas, and the gas prepared by the gas supply assembly 13 is used as the raw gas of the fuel energy assembly 14. The fuel energy output 142 is coupled to the energy storage input 121 of the energy storage assembly 12 for outputting electrical energy to the energy storage assembly 12. The fuel output 142 is also used to connect the system load 21 and to power the system load 21. Wherein the combustion energy assembly 14 refers to a device that generates electrical energy by burning a gas; the fuel energy input 141 refers to a port that receives feed gas; the fuel output 142 refers to a port through which electric power is output.

The photovoltaic module 11, the energy storage module 12, the air supply module 13 and the fuel energy module 14 are matched together to form the hybrid energy system, the energy storage module 12, the air supply module 13 and the input/output end of the fuel energy module 14 are arranged in the above way, electric energy generated by the photovoltaic module 11 is stored in the energy storage module 12, the electric energy stored by the energy storage module 12 is used for supplying power to the system load 21 and/or the air supply module 13, namely, the electric energy stored by the energy storage module 12 is distributed to the system load 21 and/or the air supply module 13, the air supply module 13 generates raw gas under the action of the electric energy, the fuel energy module 14 burns the raw gas to generate electric energy, and the electric energy generated by the fuel energy module 14 is used for supplying power to the system load 21 and/or the energy storage module 12. The electric energy used by the system load 21 is derived from the energy storage component 12 or the fuel energy component 14, the electric energy of the energy storage component 12 is derived from the photovoltaic component 11, the electric energy of the fuel energy component 14 is generated from the photovoltaic component 11 in a traceable way, the photovoltaic component 11 utilizes solar energy to generate electric energy, the cost is low, the utilization rate of renewable energy sources is improved, compared with fossil fuel power generation, the environmental pollution is reduced, and the low-cost and green operation of the whole system is realized.

The photovoltaic module 11 generates electricity by using solar energy, and is affected by day-night alternation, weather, seasons, geographical positions, altitude and other factors, the solar energy has instability, and the electric energy generated by the photovoltaic module 11 also has instability. By storing the electric energy generated by the photovoltaic module 11 in the energy storage module 12, the unstable electric energy is converted into stable electric energy, and then the stable electric energy is supplied to the system load 21 and/or the air supply module 13, so that the stability of the system electric energy supplied to the system load 21 and/or the air supply module 13 is improved, and the service life of the system load 21 and/or the air supply module 13 is prolonged.

The application can supply the electric energy generated by the combustion energy assembly 14 to the energy storage assembly 12, and the energy storage assembly 12 redistributes part of the electric energy, so that the electric energy circulates in the system, and the self-sufficiency and low-cost operation are realized.

In one embodiment, the energy storage assembly 12 includes a first energy storage input 121a, a second energy storage input 121b, and a third energy storage input 121c, in other words, the energy storage input 121 includes the first energy storage input 121a, the second energy storage input 121b, and the third energy storage input 121c. The first energy storage input end 121a is connected to the photovoltaic module 11 and is configured to receive electric energy generated by the photovoltaic module 11. The second energy storage input 121b is connected to the combustion assembly 14 for receiving electrical energy generated by the combustion assembly 14. The third energy storage input 121c is used for connecting to the power grid 22; alternatively, the energy storage assembly 12 is charged with low electricity from the grid 22 (i.e., during the valley period of the grid 22), at a lower cost. The photovoltaic module 11, the fuel energy module 14 and the power grid 22 which are the electric energy sources of the energy storage module 12 complement each other, so that stable and stable energy supply is realized, and the cost is lower.

In one embodiment, the energy storage assembly 12 includes a first energy storage output 122a, a second energy storage output 122b, and a third energy storage output 122c, in other words, the energy storage output 122 includes a first energy storage output 122a, a second energy storage output 122b, and a third energy storage output 122c. The first energy storage output 122a is connected to the air supply input 131 of the air supply assembly 13 for supplying power to the air supply assembly 13. The second energy storage output 122b is used for being connected with the system load 21 to supply power to the system load 21. The third energy storage output 122c is used for connecting the external load 23 to supply the external load 23 with the surplus electric energy consumed by the energy storage component 12 except the system load 21, so as to increase the diversity and applicability of the system functions. The energy storage component 12 distributes the electric energy generated by the solar energy to at least one of the air supply component 13, the system load 21 and the external load 23, so that the stability of the electric energy used by the air supply component 13, the system load 21 and the external load 23 is maintained. The energy generated by solar energy is supplied to the external load 23 via the energy storage assembly 12 with energy and economic value. Alternatively, the external load 23 sends a request to the system, which, after consenting to the request, supplies the external load 23 with excess electrical energy consumed by the energy storage assembly 12 to the system load 21. Wherein the external load 23 refers to a load consuming the electric energy of the hybrid energy system, which is different from the system load 21; by way of example, the external load 23 may be the power grid 22, i.e., the energy storage assembly 12 supplies power to the power grid 22.

In an embodiment, the air supply assembly 13 includes a first air supply input 131a, a second air supply input 131b, in other words, the air supply input 131 of the air supply assembly 13 includes the first air supply input 131a and the second air supply input 131b. The first air supply input end 131a is connected with the energy storage output end 122 of the energy storage component 12, specifically, is connected with the first energy storage output end 122a, so that the air supply component 13 receives electric energy. The second air supply input 131b is used for connecting to the power grid 22; alternatively, the low electricity of the electric network 22 (i.e., the valley period of the electric network 22) is used to supply electricity to the air supply assembly 13, and the air supply assembly 13 generates air at a lower cost. The electric energy of the air supply assembly 13 is derived from the energy storage assembly 12 and the power grid 22, and the electric energy source of the energy storage assembly 12 is referred to above, so that the electric energy source and the valley period cost of the energy storage assembly 12 are lower, the air generation is realized at lower cost, the cost of generating electric energy by the fuel energy assembly 14 using the air generated by the air supply assembly 13 as raw air is reduced, and the cost of storing the air by the air storage tank 133 is reduced.

In an embodiment, the air supply assembly 13 includes a first air supply output 132a, a second air supply output 132b, in other words, the air supply output 132 of the air supply assembly 13 includes the first air supply output 132a, the second air supply output 132b. The first gas supply output 132a is connected to the fuel input 141 of the fuel assembly 14 for delivering the gas generated by the gas supply assembly 13 as feed gas to the fuel assembly 14. The second gas supply output 132b is adapted to be connected to a gas reservoir 133 for storing gas that is not consumed by the fuel assembly 14.

In one embodiment, referring to fig. 2 and 3, the gas supply assembly 13 includes a water storage tank 134, an electrolytic cell 135 coupled to the water storage tank 134, a gas-liquid separator 136 coupled to the electrolytic cell 135, and a transition tank 137 coupled to the gas-liquid separator 136. The transition tank 137 is used to store gas generated by the electrolysis of water. The transition tank 137 is connected to the fuel input 141 of the fuel assembly 14 to allow the gas generated by the gas supply assembly 13 to enter the fuel assembly 14. The gas supply assembly 13 electrolyzes water to produce hydrogen and oxygen, and the hydrogen is combusted in the fuel assembly 14 to produce electrical energy.

The port of the transition tank 137 that outputs the gas serves as the first gas supply output 132a of the gas supply assembly 13. The gas storage tank 133 is connected to a gas-liquid separator 136 for storing gas that does not enter the fuel assembly 14 through the transition tank 137.

Alternatively, the gas-liquid separator 136 includes a hydrogen separator 136a and an oxygen separator 136b, the transition tank 137 includes a hydrogen transition tank 137a and an oxygen transition tank 137b, the hydrogen transition tank 137a is connected to the hydrogen separator 136a, and the oxygen transition tank 137b is connected to the oxygen separator 136 b. Optionally, the hydrogen transition tank 137a is connected to the fuel input 141 of the fuel assembly 14, and the hydrogen in the fuel assembly 14 combusts with air to generate electrical energy. Optionally, both the hydrogen transition tank 137a and the oxygen transition tank 137b are connected to the fuel input 141 of the fuel assembly 14, and the hydrogen and oxygen in the fuel assembly 14 burn to generate electrical energy. It is understood that the efficiency of generating electricity by combustion of hydrogen and oxygen is better than that of generating electricity by combustion of hydrogen and air.

The gas tanks 133 include a hydrogen gas tank 133a and an oxygen gas tank 133b. The hydrogen tank 133a is connected to the hydrogen separator 136a for storing hydrogen that does not enter the fuel assembly 14 through the hydrogen transition tank 137 a. The oxygen reservoir 133b is coupled to the oxygen separator 136b for storing oxygen that does not enter the fuel assembly 14 through the oxygen transition tank 137b.

It should be noted that, the air supply assembly 13 may supply hydrogen to the fuel energy assembly 14, and the fuel energy assembly 14 generates electric energy by combusting the hydrogen with air; the oxygen generated by the electrolysis of water by the air supply assembly 13 is stored using the oxygen storage tank 133b, and at this time, the oxygen transfer tank 137b may be omitted.

In one embodiment, the output gas port of the gas storage tank 133 is connected to the fuel input port 141 of the fuel assembly 14, so that when the gas supply assembly 13 is not performing electrolysis of water, raw gas (the raw gas may be hydrogen or hydrogen and oxygen) is still supplied to the fuel assembly 14 to generate electric energy, thereby increasing the diversity of supplying electric energy to the system load 21 and reducing the system operation limitation.

In one embodiment, the outlet of the gas tank 133 is connected to an external gas recovery device to sell excess gas (sell hydrogen and/or oxygen) generated by the electrolysis of water by the gas supply assembly 13. In other embodiments, gas tanks 133 may be sold directly (hydrogen gas tanks 133a and/or oxygen gas tanks 133b are sold).

In one embodiment, the air reservoir 133 is the same tank as the transition tank 137, reducing the size of the system footprint.

With continued reference to fig. 1, in one embodiment, the fuel assembly 14 includes a first fuel input 141a and a second fuel input 141b, in other words, the fuel input 141 of the fuel assembly 14 includes a first fuel input 141a and a second fuel input 141b. The first fuel energy input 141a is connected to the first gas supply output 132a for receiving the raw gas generated by the gas supply assembly 13. The second fuel energy input end 141b is used for connecting the gas filling device 24, so that when the gas supply assembly 13 is insufficient in gas production, the gas filling device 24 is used for providing raw gas, and then the fuel energy assembly 14 is enabled to burn the raw gas to generate electric energy, so that the diversity of providing electric energy for the system load 21 is increased, the system operation limit is reduced, and the system is low in cost and green in operation. Wherein the gas entrainment device 24 may be a hydrogen and/or oxygen entrainment device; the air-entraining device 24 refers to an external dedicated gas-generating factory or an external dedicated gas-selling large storage station or the like. The fuel assembly 14 combusts hydrogen to produce electrical energy.

It should be noted that, in other embodiments, the second fuel input end 141b may be omitted, the air storage tank 133 has an air inlet, and the air inlet is connected to the air filling device 24, so that when the air supply assembly 13 generates insufficient air, the air filling device 24 provides the raw material gas, and the fuel assembly 14 burns to generate electric energy.

In one embodiment, the fuel energy assembly 14 includes a first fuel energy output 142a, a second fuel energy output 142b, and a third fuel energy output 142c, in other words, the fuel energy output 142 of the fuel energy assembly 14 includes a first fuel energy output 142a, a second fuel energy output 142b, and a third fuel energy output 142c. The first fuel output 142a is configured to be coupled to the system load 21 for providing electrical power to the system load 21. The second fuel energy output 142b is connected to the energy storage input 121 of the energy storage assembly 12 for storing electrical energy to the energy storage assembly 12 that is not used by the system load 21. The third fuel output 142c is used for connecting the external load 23, which increases the variety and applicability of the system functions.

In one embodiment, the fuel energy output 142 of the fuel energy assembly 14 further includes a fourth fuel energy output, which is connected to the input of the gas supply assembly 13, so that the gas supply assembly 13 generates more raw gas to store, and the fuel energy assembly 14 can be used to supply power to the system load 21 in case of insufficient energy of the energy storage assembly 12.

In one embodiment, the hybrid energy system further includes an inverter (not shown), where the inverter is disposed between the output of the photovoltaic module 11 and the energy storage input 121 of the energy storage module 12, between the energy storage output 122 of the energy storage module 12 and the air supply input 131 of the air supply module 13, between the energy storage output 122 of the energy storage module 12 and the system load 21, and between the combustion energy output 142 of the combustion energy module 14 and the system load 21. An inverter refers to a device that converts the voltage of electric energy of one body into a desired voltage of another body. For example, an inverter disposed between the output of the photovoltaic module 11 and the energy storage input 121 of the energy storage module 12 refers to converting the voltage of the electrical energy generated by the photovoltaic module 11 into the voltage required by the energy storage module 12; alternatively, the inverter is DC/DC, which means converting a fixed direct voltage into a variable direct voltage.

Through carrying out the above-mentioned design with the input/output end of photovoltaic module 11, energy storage subassembly 12, air feed subassembly 13, combustion energy subassembly 14 for whole hybrid energy system mutually cooperates, complementary mutually, realizes steady energy supply, and low-cost, green operation. The interaction among the energy storage assembly 12, the air supply assembly 13 and the fuel energy assembly 14 realizes the self-sufficiency of the electric energy supplied by the system to the system load 21. The input ends of the energy storage component 12 and the air supply component 13 are connected with the power grid 22, and the energy is supplied to the system by using the valley period of the power grid 22, so that the low-cost operation of the system is realized. The output ends of the energy storage component 12 and the fuel energy component 14 are also connected with an external load 23, and redundant electric energy of the system is supplied to the external load 23 for use, so that the diversity and the applicability of the system function are improved.

In the embodiment of the application, the hybrid energy system further comprises a control system 15, wherein the control system 15 is respectively connected with the energy storage component 12, the air supply component 13 and the fuel energy component 14, and the control system 15 is used for regulating and controlling the input and/or output of the energy storage component 12, the air supply component 13 and the fuel energy component 14, so that the automatic operation of the hybrid energy system is realized, and the energy is distributed more reasonably.

In one embodiment, the control system 15 is configured to control the energy storage component 12 to supply power to the air supply component 13 when the electric quantity of the energy storage component 12 is greater than or equal to a first threshold value; and/or the control system 15 is configured to control the energy storage component 12 to supply power to the external load 23 when the electric quantity of the energy storage component 12 is greater than or equal to a second threshold value, where the second threshold value is greater than or equal to the first threshold value; and/or, when the electric quantity of the energy storage component 12 used by the control system 15 is smaller than the third threshold value, the control system load 21 supplies power through the power grid 22 and/or the fuel energy component 14, and the third threshold value is smaller than the first threshold value.

Optionally, the third threshold is selected from 5% -20%. Illustratively, the third threshold is 20%. Still further exemplary, the third threshold is 10%. Still further exemplary, the third threshold is 5%.

The first threshold may be determined according to a usage rule of the system load 21, when the electric quantity of the energy storage component 12 is greater than or equal to the first threshold, the electric quantity stored in the energy storage component 12 meets a usage requirement of the system load 21, at this time, electric energy which meets the usage requirement of the system load 21 with the energy storage component 12 is supplied to the air supply component 13 to generate raw material gas, the electric energy of the energy storage component 12 is consumed, so that the energy storage component 12 is in an unfilled state for a long time, and a part of storage space is reserved for a long time to store the electric energy generated by the photovoltaic component 11, so that the electric energy generated by the photovoltaic component 11 can be stored in the energy storage component 12, renewable energy solar energy is fully utilized, and the solar energy utilization rate is improved. The raw material gas generated by the gas supply assembly 13 is stored and can be used by the fuel energy assembly 14 or sold. When the electric quantity of the energy storage component 12 is larger than or equal to a first threshold value, the energy storage component 12 is controlled to supply power to the air supply component 13, so that the energy storage component 12 is in a charging and/or discharging state for a long time, the electric energy recycling in the system is promoted, the self-sufficiency is preferentially realized, and even economic benefits are generated.

The control system 15 controls the output direction according to the electric quantity of the energy storage component 12, and controls the electric quantity of the energy storage component 12 to be supplied to the system load 21 preferentially. When the electric quantity of the energy storage component 12 is larger than or equal to a first threshold value, the control system 15 controls the electric energy of the energy storage component 12 to be supplied to the air supply component 13; the electric quantity of the energy storage component 12 is larger than or equal to a second threshold value, and when the second threshold value is equal to the first threshold value, the control system 15 controls the electric energy of the energy storage component 12 to be supplied to the external load 23; that is, when the electric quantity of the energy storage component 12 is greater than or equal to the first threshold, the use requirement of the system load 21 is met, the electric energy of the energy storage component 12 is supplied to the air supply component 13 and/or the external load 23, so as to realize that the electric quantity of the energy storage component 12 is preferentially supplied to the system load 21, and then supplied to the air supply component 13 and/or the external load 23, the energy storage component 12 is in a charging and/or discharging state for a long time, the solar energy utilization rate is improved, the electric energy in the system is promoted to be recycled, and even economic benefits are generated.

When the electric quantity of the energy storage component 12 is larger than or equal to a second threshold value and the second threshold value is larger than the first threshold value, the control system 15 controls the electric energy of the energy storage component 12 to be supplied to the external load 23, the electric energy of the energy storage component 12 preferentially meets the requirement of the air supply component 13 inside the system, redundant electric energy exists to be supplied to the external load 23, the self-sufficiency of the power supply of the system to the system load 21 is preferentially realized, and on the basis, the diversity of the system functions is realized. When the electric quantity of the energy storage component 12 is smaller than a third threshold value and the third threshold value is smaller than the first threshold value, the control system 15 controls the system load 21 to supply power through the power grid 22 and/or the fuel energy component 14, so that the energy storage component 12 is protected, the frequency of full discharge of the energy storage component 12 is reduced, the service life of the energy storage component 12 is prolonged, and the service life of the whole system is prolonged.

In one embodiment, the control system 15 is configured to control the energy storage component 12 to supply power to the system load 21 based on the instruction of the system load 21 when the power of the energy storage component 12 is less than the third threshold. The electric energy when the electric quantity of the energy storage component 12 is smaller than the third threshold value can be used as emergency electric energy, and the system can still supply power to the system load 21 under the conditions that the power grid 22 has a power failure and the function of the fuel energy component 14 is insufficient, so that the use requirement of the system load 21 is met.

In one embodiment, the control system 15 is configured to control the energy storage assembly 12 to supply power to the air supply assembly 13 during peak power periods; and/or control system 15 is used to control energy storage assembly 12 to supply power to external load 23 during peak power periods; and/or the control system is used to control the power of the fuel assembly 14 to the external load 23 during peak power. The power supply of the power grid 22 is divided into high-price power and low-price power, the peak period corresponds to the high-price power, and the valley period corresponds to the low-price power.

The control system 15 controls the output of the energy storage component 12 according to time, the control system 15 controls the energy storage component 12 to supply power to at least one of the air supply component 13 and the external load 23 in the peak electricity period, and controls the fuel energy component 14 to supply power to the external load 23 in the peak electricity period, and the power grid 22 is adopted to supply power to the air supply component 13 or the external load 23 relative to the peak electricity period, so that the cost is reduced.

In one embodiment, the control system 15 is configured to control the fuel assembly 14 to supply power to the system load 21 when the electric quantity of the energy storage assembly 12 is greater than or equal to a first threshold value; and/or the control system 15 is configured to control the fuel assembly 14 to supply power to the energy storage assembly 12 when the electric quantity of the energy storage assembly 12 is greater than or equal to the first threshold value.

When the electric quantity of the energy storage component 12 is greater than or equal to the first threshold value, the control system 15 controls the energy storage component 12 to supply power to the air supply component 13, the air supply component 13 electrolyzes water to produce raw material gas under the action of electric energy, the fuel energy component 14 uses the raw material gas to generate electric energy, and the control system 15 controls the electric energy generated by the fuel energy component 14 to supply power to the system load 21 and/or the energy storage component 12. The fuel energy component 14 supplies power to the system load 21, so that the power supply amount of the energy storage component 12 to the system load 21 can be reduced, and the storage electric quantity in the energy storage component 12 can be increased; the fuel assembly 14 supplies power to the energy storage assembly 12, which increases the amount of power stored in the energy storage assembly 12, facilitating the self-sufficiency of the overall system to power the system load 21.

In one embodiment, the control system 15 is configured to control the energy storage component 12 to be charged through the power grid 22 when the electric quantity of the energy storage component 12 is less than a third threshold value, where the third threshold value is less than the first threshold value; and/or control system 15 is used to control charging of energy storage assembly 12 via grid 22 during the valley period; and/or the control system 15 is used to control the supply assembly 13 to supply power through the grid 22 during the valley period.

When the electric quantity of the energy storage component 12 is smaller than the third threshold value, the energy storage component 12 is charged through the power grid 22, and energy supplementing of the system is achieved. By controlling the charging of energy storage assembly 12 via grid 22 during the valley period, the low cost of the source of energy for energy storage assembly 12 is maintained, and the overall system is maintained in low cost operation. By controlling the power supplied to the gas supply assembly 13 through the power grid 22 during the valley period, more raw gas can be generated and stored by utilizing the electric energy during the valley period, so that the peak period fuel energy assembly 14 can use the part of raw gas to generate at least one of the electric energy to supply the system load 21, the energy storage assembly 12 and the external load 23, thereby being beneficial to reducing the cost.

It should be noted that, the control system 15 controls the input/output of the electric energy of the energy storage component 12, the input of the electric energy of the air supply component 13, and the output of the electric energy of the fuel energy component 14, which are not limited to the time information (the time information includes peak period and valley period) or the electric quantity information of the energy storage component 12, and may control the input/output of the electric energy of the energy storage component 12, the input of the electric energy of the air supply component 13, and the output of the electric energy of the fuel energy component 14 by considering the time information and the electric quantity information of the energy storage component 12 at the same time, that is, the control functions of the control system 15 in the above-described various embodiments may be combined arbitrarily, so as to implement the circulation of the electric energy in the system, complement each other, and reduce the cost. Illustratively, when the peak power period and the electric quantity of the energy storage component 12 are greater than or equal to the first threshold value, the energy storage component 12 is controlled to supply power to the air supply component 13; the electric quantity of the energy storage component 12 is larger than or equal to the first threshold value, the use requirement of the system load 21 is met, the energy storage component 12 is supplied to the air supply component 13 in the peak electricity period, the electric energy generated by the photovoltaic component 11 is fully utilized, and the cost is low. Further exemplary, the peak power period and the amount of power of the energy storage assembly 12 are greater than or equal to a first threshold, controlling the energy storage assembly 14 to supply power to the external load 23; the electric quantity of the energy storage component 12 is larger than or equal to the first threshold value, the use requirement of the system load 21 is met, and on the basis that the peak electricity period system meets the power requirement of the system load 21, the fuel energy component 14 generates electric energy by using stored raw gas to supply power to the external load 23, so that the energy storage component has economic value.

In an embodiment, the control system 15 is connected to the photovoltaic module 11, and the control system 15 is configured to obtain time information and position information of a solar power generation device of the photovoltaic module 11, and adjust an orientation and an inclination angle of the solar power generation device based on the time information and the position information, where the position information includes longitude and latitude information.

And determining the position of the solar power generation device by determining longitude and latitude information of the solar power generation device. After the position of the solar power generation device is determined, the orientation and angle of the sunlight at that position at various times within one year 365 is determined. Based on the position and time information of the solar power generation device, the orientation and the inclination angle of the solar power generation device are adjusted, so that the front surface of the solar power generation device faces the sunlight, solar energy is efficiently utilized, and the power generation efficiency of the photovoltaic module 11 is improved.

The photovoltaic module 11, the energy storage module 12, the air supply module 13 and the fuel energy module 14 are controlled through the control system 15, so that the whole system can operate efficiently, the input and the output of the energy storage module 12, the air supply module 13 and the fuel energy module 14 can be synchronously regulated and controlled, and the energy consumption requirements can be reasonably matched.

It should be noted that the hybrid energy system provided by the embodiment of the application is applicable to various fields, such as the building field, the automobile field, and the like. When the hybrid energy system is applied to the automotive field, the system load 21 includes a motor system of the automobile, which is beneficial to prolonging the cruising ability of the automobile.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a hybrid energy system according to an embodiment of the application.

In one embodiment, the hybrid energy system is used in the field of construction. The roof is provided with a photovoltaic module 11 which can freely adjust the orientation and the inclination angle of a solar power generation device of the photovoltaic module 11. Under the regulation and control of the control system 15, the orientation and the inclination angle of the photovoltaic module 11 can be adjusted in real time through the longitude and latitude of the position where the photovoltaic module 11 is located and the local time, so that the utilization efficiency of sunlight is improved. The power generated by the photovoltaic module 11 converts the voltage of the electric energy generated by the photovoltaic module 11 into the voltage required by the energy storage module 12 through the inverter DC/DC, and charges the energy storage module 12.

At the input, the energy storage module 12 is mainly the input of electrical energy from the photovoltaic module 11, the power grid 22 and the combustion module 14. The power grid 22 may charge the energy storage assembly 12 during low price periods (i.e., valley periods). The energy storage assembly 12 may be further charged by the fuel assembly 14 with the system load 21 being powered and still being in excess, by DC/DC (meaning a device that converts a fixed direct voltage to a variable direct voltage).

For the energy storage assembly 12, at the output, the system load 21 may be powered by DC/DC, followed by DC/AC (means for converting a direct voltage to an alternating voltage); the air supply assembly 13 may be powered by DC/DC.

For the air supply assembly 13, the air supply assembly 13 includes a water storage tank 134, with the water storage tank 134 serving primarily to supply the electrolytic cell 135 with the required electrolytic water. The electrolytic tank 135 is provided with a positive electrode and a negative electrode and a diaphragm thereof, water generates hydrogen at the negative electrode and generates oxygen at the positive electrode under the action of electrolyte electrolysis, and the generated two gases respectively enter the corresponding transition tank 137 and/or the corresponding gas storage tank 133 through the gas-liquid separator 136. The hydrogen is introduced as a feed gas to the fuel assembly 14 and the oxygen may further increase the efficiency of the fuel assembly 14. In addition, the fuel assembly 14 has weak hydrogen production capability by water electrolysis under the condition of insufficient electric power, and the air adding device 24 is arranged, so that the fuel assembly 14 can normally operate and generate electricity through the addition of external hydrogen and/or oxygen.

The overall operation of the system is controlled and regulated primarily by the control system 15. In the daytime, the photovoltaic module 11 is controlled to be in the optimal direction and the optimal inclination angle (the front surface of the photovoltaic module 11 faces the sunlight) according to the longitude and latitude, the moment and other information, so that the photovoltaic module 11 generates electricity to reach the maximum efficiency. The electrical energy generated by the photovoltaic module 11 is stored in the energy storage module 12. The energy storage assembly 12 is preferably powered for use by the system load 21. According to the electric quantity of the energy storage component 12, the surplus electric quantity can be supplied to the external load 23 and/or the air supply component 13 on the basis of meeting the using quantity of the system load 21, so that the energy storage component has economic value and energy value. The electric energy of the energy storage component 12 is utilized to generate hydrogen and oxygen by the air supply component 13, the hydrogen and the oxygen are stored, the stored hydrogen can be further utilized to supply the fuel energy component 14 for generating electricity, and the energy storage component 12 and the system load 21 can be powered. The hydrogen and oxygen generated by the electrolysis of water by the gas supply assembly 13 have economic and energy values. When the electricity price at the power grid side is in the valley period, the energy storage component 12 can be charged, and the air supply component 13 performs water electrolysis to produce hydrogen and store hydrogen. When the energy storage assembly 12 and the combustion energy assembly 14 are not sufficiently powered, the power grid 22 is used to supply power to the system load 21. The system load 21 may be a device that consumes electric power, such as an electric appliance in a building in which the photovoltaic module 11 is installed.

The embodiment of the application also provides a control method of the hybrid energy system, which is used for controlling the operation of the hybrid energy system described in the embodiment. The control method includes obtaining time information and/or power information of the energy storage assembly 12; regulating at least one of an input of the energy storage assembly 12, an output of the energy storage assembly 12, an input of the air supply assembly 13, and an output of the fuel energy assembly 14 based on the time information; and/or regulate at least one of an input of the energy storage assembly 12, an output of the energy storage assembly 12, an input of the air supply assembly 13, an output of the fuel energy assembly 14 based on the electrical quantity information of the energy storage assembly 12. The power information of the energy storage component 12 may reflect the power stored in the energy storage component 12. The time information includes at least one of a peak electric period and a valley electric period.

The control method can execute the functions of the control system 15 in the hybrid energy system described in the above embodiment, and achieve similar effects, and will not be described again. The control method can realize the high-efficiency operation of the whole system, synchronously regulate and control the input and output of the energy storage component 12, the air supply component 13 and the fuel energy component 14, and more reasonably match the energy consumption requirement.

Optionally, based on the valley period, controlling the energy storage assembly 12 to charge through the grid; that is, the input to the energy storage assembly 12 is regulated based on the time information.

Optionally, based on the peak power period, the energy storage assembly 12 is controlled to supply power to the air supply assembly 13 and/or the external load 23; that is, regulating the output of the energy storage assembly 12 based on the time information may also be understood as regulating the input of the air supply assembly 13 based on the time information.

Optionally, based on the valley period, controlling the air supply assembly 13 to supply power through the power grid; that is, the input of the air supply assembly 13 is regulated based on the time information.

Alternatively, based on the peak power period, the fuel assembly 14 is controlled to supply power to the external load 23; that is, the output of the fuel assembly 14 is regulated based on the time information.

Optionally, controlling the energy storage assembly 12 to supply power to the air supply assembly 13 based on the electric quantity of the energy storage assembly 12 being greater than or equal to a first threshold; that is, regulating the output of the energy storage assembly 12 based on the electrical quantity information of the energy storage assembly 12 may also be understood as regulating the input of the air supply assembly 13 based on the electrical quantity information of the energy storage assembly 12.

Optionally, controlling the fuel assembly 14 to supply power to the system load 21 based on the amount of power of the energy storage assembly 12 being greater than or equal to a first threshold; that is, the output of the fuel assembly 14 is regulated based on the electrical quantity information of the energy storage assembly 12.

Optionally, based on the amount of power of the energy storage assembly 12 being greater than or equal to the first threshold, controlling the fuel assembly 14 to charge the energy storage assembly 12; that is, regulating the input to the energy storage assembly 12 based on the electrical energy information of the energy storage assembly 12 may also be understood as regulating the output of the fuel assembly 14 based on the electrical energy information of the energy storage assembly 12.

Optionally, controlling the energy storage assembly 12 to supply power to the external load 23 based on the amount of power of the energy storage assembly 12 being greater than or equal to a second threshold, the second threshold being greater than the first threshold; that is, the output of the energy storage assembly 12 is regulated based on the charge information of the energy storage assembly 12.

Alternatively, based on the charge of the energy storage assembly 12 being less than a third threshold, the third threshold being less than the first threshold, the control system load 21 is powered by the fuel assembly 14; that is, the output of the fuel assembly 14 is regulated based on the electrical quantity information of the energy storage assembly 12.

Optionally, controlling the energy storage assembly 12 to charge through the grid based on the amount of power of the energy storage assembly 12 being less than a third threshold, the third threshold being less than the first threshold; that is, the input to the energy storage assembly 12 is regulated based on the charge information of the energy storage assembly 12.

Optionally, controlling the energy storage component 12 to charge through the grid based on the valley period and the amount of power of the energy storage component 12 being less than a third threshold; that is, the input of the energy storage assembly 12 is regulated based on the time information while the input of the energy storage assembly 12 is regulated based on the power information of the energy storage assembly 12.

Optionally, controlling the energy storage assembly 12 to supply power to the air supply assembly 13 based on the peak power period and the electric quantity of the energy storage assembly 12 being equal to or greater than a first threshold; that is, adjusting the output of the energy storage assembly 12 based on the time information while adjusting the output of the energy storage assembly 12 based on the power information of the energy storage assembly 12 may also be understood as adjusting the input of the air supply assembly 13 based on the time information while adjusting the input of the air supply assembly 13 based on the power information of the energy storage assembly 12.

Optionally, controlling the fuel assembly 14 to supply power to the external load 23 based on the peak power period and the amount of power of the energy storage assembly 12 being greater than or equal to a first threshold; that is, the output of the fuel assembly 14 is regulated based on the time information while the output of the fuel assembly 14 is regulated based on the electrical quantity information of the energy storage assembly 12.

The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application or directly or indirectly applied to other related technical fields are included in the scope of the present application.

Claims (14)

1. A hybrid energy system, comprising:

the photovoltaic module comprises a solar power generation device and is used for converting solar energy into electric energy;

The energy storage component is used for storing and releasing electric energy; the energy storage component comprises an energy storage input end and an energy storage output end, wherein the energy storage input end is connected with the output end of the photovoltaic component and is used for receiving electric energy; the energy storage output end is used for connecting a system load and supplying power to the system load;

the air supply assembly is used for preparing air; the air supply assembly comprises an air supply input end and an air supply output end, and the air supply input end is connected with the energy storage output end and is used for receiving electric energy to produce air;

the fuel energy assembly is used for receiving the raw material gas and converting the raw material gas into electric energy; the fuel energy assembly comprises a fuel energy input end and a fuel energy output end, wherein the fuel energy input end is connected with the air supply output end and used for receiving the raw material gas, the fuel energy output end is connected with the energy storage input end and used for charging the energy storage assembly, and the fuel energy output end is also used for connecting a system load and supplying power to the system load.

2. The hybrid energy system of claim 1, wherein,

the energy storage assembly comprises a first energy storage input end, a second energy storage input end and a third energy storage input end, wherein the first energy storage input end is connected with the photovoltaic assembly, the second energy storage input end is connected with the fuel assembly, and the third energy storage input end is used for being connected with a power grid.

3. The hybrid energy system of claim 1, wherein,

the energy storage assembly comprises a first energy storage output end, a second energy storage output end and a third energy storage output end, wherein the first energy storage output end is connected with the air supply input end, the second energy storage output end is used for being connected with the system load, and the third energy storage output end is used for being connected with an external load.

4. The hybrid energy system of claim 1, wherein,

the air supply assembly comprises a first air supply input end and a second air supply input end, wherein the first air supply input end is connected with the energy storage output end, and the second air supply input end is used for being connected with a power grid;

the air supply assembly comprises a first air supply output end and a second air supply output end, wherein the first air supply output end is connected with the fuel energy input end, and the second air supply output end is used for being connected with the air storage tank.

5. The hybrid energy system of claim 4, wherein,

the gas supply assembly comprises a water storage tank, an electrolytic tank connected with the water storage tank, a gas-liquid separator connected with the electrolytic tank, and a transition tank connected with the gas-liquid separator, wherein the transition tank is used for storing gas generated by electrolysis, and the transition tank is connected with the fuel energy input end.

6. The hybrid energy system of claim 1, wherein,

the fuel energy assembly comprises a first fuel energy input end and a second fuel energy input end, the first fuel energy input end is connected with the air supply output end, and the second fuel energy input end is used for being connected with an air filling device;

the fuel energy assembly comprises a first fuel energy output end, a second fuel energy output end and a third fuel energy output end, wherein the first fuel energy output end is used for being connected with the system load, the second fuel energy output end is connected with the energy storage input end, and the third fuel energy output end is used for being connected with an external load.

7. The hybrid energy system of claim 1, wherein,

the energy system further comprises a control system which is respectively connected with the energy storage component, the air supply component and the fuel energy component and used for regulating and controlling the input and/or output of the energy storage component, the air supply component and the fuel energy component.

8. The hybrid energy system of claim 7, wherein,

the control system is used for controlling the energy storage component to supply power to the air supply component when the electric quantity of the energy storage component is larger than or equal to a first threshold value; and/or

The control system is used for controlling the energy storage component to supply power to an external load when the electric quantity of the energy storage component is larger than or equal to a second threshold value, and the second threshold value is larger than or equal to the first threshold value; and/or

And the control system is used for controlling the system load to supply power through a power grid and/or the fuel energy component when the electric quantity of the energy storage component is smaller than a third threshold value, and the third threshold value is smaller than the first threshold value.

9. The hybrid energy system of claim 7, wherein,

the control system is used for controlling the energy storage component to supply power to the air supply component in the peak power period; and/or

The control system is used for controlling the energy storage component to supply power to an external load during a peak power period; and/or

The control system is configured to control the combustion assembly to supply power to the external load during peak power.

10. The hybrid energy system of claim 7, wherein,

the control system is used for controlling the fuel energy assembly to supply power to the system load when the electric quantity of the energy storage assembly is larger than or equal to a first threshold value; and/or

And the control system is used for controlling the fuel energy assembly to charge the energy storage assembly when the electric quantity of the energy storage assembly is larger than or equal to a first threshold value.

11. The hybrid energy system of claim 7, wherein,

the control system is used for controlling the energy storage component to charge through a power grid when the electric quantity of the energy storage component is smaller than a third threshold value, and the third threshold value is smaller than the first threshold value; and/or

The control system is used for controlling the energy storage component to charge through a power grid in a valley period; and/or

The control system is used for controlling the air supply assembly to supply power through a power grid during the valley period.

12. The hybrid energy system of claim 1, wherein,

the hybrid energy system further comprises a control system, wherein the control system is connected with the photovoltaic module and used for acquiring time information and position information of the solar power generation device, and the orientation and the inclination angle of the solar power generation device are adjusted based on the position information and the time information, and the position information comprises longitude and latitude information.

13. The hybrid energy system of any of claims 1 to 12, wherein the system load comprises an automotive electric motor system.

14. A control method of the hybrid energy system according to any one of claims 1 to 13, comprising:

Acquiring time information and/or electric quantity information of an energy storage component;

regulating at least one of an input of the energy storage component, an output of the energy storage component, an input of the air supply component, and an output of the fuel energy component based on the time information; and/or regulate at least one of an output of the energy storage assembly, an input of the air supply assembly, and an output of the fuel energy assembly based on the electrical quantity information of the energy storage assembly.