CN-121992424-A - Hydrogen production system

Abstract

The invention provides a hydrogen production system capable of controlling the production amount of hydrogen and oxygen to an appropriate amount. A hydrogen production system is provided with a photovoltaic power generation device, a hydrogen production device that produces hydrogen and oxygen by electrolyzing water using electric power obtained by the photovoltaic power generation device, a hydrogen storage tank that stores the produced hydrogen, an oxygen storage tank that stores the produced oxygen, a hydrogen burner that burns hydrogen and oxygen, and a measurement device that measures the temperature increase efficiency of the hydrogen burner, wherein the temperature increase efficiency is fed back to the hydrogen production device.

Inventors

• Niao Benya
• NAKAYA TETSUYA

Assignees

• 丰田自动车株式会社

Dates

Publication Date

20260508

Application Date

20251030

Priority Date

20241106

Claims (2)

1. 1. A hydrogen production system is characterized by comprising: a photovoltaic power generation device; A hydrogen production device that produces hydrogen and oxygen by electrolyzing water with electric power obtained by the photovoltaic power generation device; A hydrogen storage tank that stores the hydrogen produced; an oxygen storage tank that stores the oxygen produced; A hydrogen burner for burning the hydrogen and the oxygen, and A measuring device for measuring the temperature rising efficiency of the hydrogen burner, The hydrogen production system feeds back the temperature increase efficiency to the hydrogen production apparatus.
2. 2. The hydrogen production system according to claim 1, wherein, In the operation of the hydrogen production apparatus, at least one of the outside air temperature and the solar irradiation condition is considered.

Description

Hydrogen production system Technical Field The present invention relates to a hydrogen production system. Background Patent document 1 discloses a photovoltaic power generation system in which, when the generated power of a photovoltaic power generation device is larger than the power consumption of a load, the hydrogen production device is operated by the generated power of the photovoltaic power generation device, and surplus power is stored in a battery, and when the generated power of the photovoltaic power generation device is smaller than the power consumption of the hydrogen production device, the hydrogen production device is operated by the generated power of the photovoltaic power generation device and the discharge power of the battery. The photovoltaic power generation system of patent document 1 includes a storage amount measuring device that measures a storage amount of a storage battery, and a controller that sets power consumption of the hydrogen production device based on a measurement value based on the storage amount measuring device, and operates the hydrogen production device with the power consumption. Patent document 1 Japanese patent application laid-open No. 2020-174436 Disclosure of Invention The hydrogen production apparatus of patent document 1 may excessively produce hydrogen and oxygen. The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a hydrogen production system capable of controlling the production amounts of hydrogen and oxygen to an appropriate amount. A hydrogen production system according to an aspect of the present invention includes a photovoltaic power generation device, a hydrogen production device that produces hydrogen and oxygen by electrolyzing water with electric power obtained by the photovoltaic power generation device, a hydrogen storage tank that stores the produced hydrogen, an oxygen storage tank that stores the produced oxygen, a hydrogen burner that burns the hydrogen and the oxygen, and a measurement device that measures a temperature increase efficiency of the hydrogen burner, wherein the hydrogen production system feeds back the temperature increase efficiency to the hydrogen production device. In the above-described hydrogen production system, at least one of the outside air temperature and the solar irradiation condition may be considered in the operation of the hydrogen production apparatus. Effects of the invention The present invention can provide a hydrogen production system capable of controlling the production amounts of hydrogen and oxygen to an appropriate amount. Drawings Fig. 1 is a block diagram illustrating a hydrogen production system according to embodiment 1. Fig. 2 is a cross-sectional view illustrating a hydrogen burner in the hydrogen production system according to embodiment 1. Fig. 3 is a block diagram illustrating a hydrogen production system according to embodiment 2. Detailed Description The specific configuration of the present embodiment will be described below with reference to the drawings. The following description shows preferred embodiments of the present invention, but the scope of the present invention is not limited to the following embodiments. The structures described in this embodiment are not necessarily all necessary as means for solving the problem. The following description and drawings are omitted and simplified as appropriate for clarity of illustration. In the drawings, the same elements are denoted by the same reference numerals, and repetitive description thereof will be omitted as necessary. < Embodiment 1> The hydrogen production system according to the present embodiment will be described. Fig. 1 is a block diagram illustrating a hydrogen production system 100 according to embodiment 1. As shown in fig. 1, the hydrogen production system 100 includes a photovoltaic power generation device 11, a hydrogen production device 13, a hydrogen tank 21, an oxygen tank 22, a hydrogen burner 23, and a measurement device 24. The hydrogen production system 100 may further include a battery 12, a photovoltaic inverter, an electric power measuring device 15, a stored electric power measuring device 16, and a controller 17. Hereinafter, the photovoltaic inverter will be simply referred to as inverter 14. The photovoltaic power generation device 11 has a function of converting solar energy into electric power. The photovoltaic power generation device 11 supplies the converted electric power to the inverter 14, for example. The hydrogen production device 13 produces hydrogen and oxygen by electrolyzing water with electric power obtained from the photovoltaic power generation device 11. The hydrogen production device 13 can electrolyze water by consuming electric power supplied from the inverter 14. Therefore, the hydrogen production device 13 is a load that consumes the electric power supplied from the inverter 14. As the power consumption of t