CN216663250U

CN216663250U - Photovoltaic hydrogen production assembly

Info

Publication number: CN216663250U
Application number: CN202123339801.5U
Authority: CN
Inventors: 尹泽; 刘祥瑞; 郭欣雨; 陈柱
Original assignee: Nanjing Gcl New Energy Power Technology Research Institute Co ltd
Current assignee: Nanjing Gcl New Energy Power Technology Research Institute Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-03
Anticipated expiration: 2031-12-28

Abstract

The utility model belongs to the technical field of hydrogen production equipment, and particularly relates to a photovoltaic hydrogen production assembly which comprises a plurality of photovoltaic plates, wherein the photovoltaic plates are mutually spliced and fixed, electrolytic boxes are respectively arranged on the photovoltaic plates, and a plurality of groups of cell groups are respectively arranged in the photovoltaic plates. The photovoltaic panel and the electrolytic tanks are directly connected to supply power, so that modules such as an inverter and a transformer are not needed, the liquid feeding pipes penetrate through the electrolytic tanks and then are connected with the electrolyte storage tank, the liquid can be simultaneously fed to the electrolytic tanks, the gas conveying pipes penetrate through the electrolytic tanks and then are connected with the gas-liquid separation module, oxygen and hydrogen generated in the electrolytic tanks can be respectively conveyed into the oxygen storage tank and the hydrogen storage tank, and therefore, each electrolytic tank is not required to be provided with the gas-liquid separation module, the electrolyte storage tank, the oxygen storage tank and the hydrogen storage tank, the whole process is simple, and the power consumption is low.

Description

Photovoltaic hydrogen production assembly

Technical Field

The utility model relates to the technical field of hydrogen production equipment, in particular to a photovoltaic hydrogen production assembly.

Background

The photovoltaic power generation hydrogen production mainly utilizes direct current generated by a photovoltaic power generation system to directly supply hydrogen production to a hydrogen production station, electrolytic tanks in the hydrogen production station are main modules, each electrolytic tank is provided with a pressurizing module, a gas-liquid separation module, an electrolyte storage tank, an oxygen storage tank and a hydrogen storage tank at present during hydrogen production, the whole process is excessively tedious, and the electrolyte pressurizing module and the gas-liquid separation module can consume electric quantity during working, so that energy waste can be caused, and therefore a photovoltaic hydrogen production assembly is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a photovoltaic hydrogen production assembly, which solves the problems in the background art.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a photovoltaic hydrogen production assembly comprises a plurality of photovoltaic plates, wherein the photovoltaic plates are spliced and fixed with each other, electrolytic tanks are arranged on the photovoltaic plates, a plurality of groups of cell groups are arranged in the photovoltaic plates and are connected in parallel through two current-conducting plates, each cell group is formed by connecting a plurality of cell elements in series through a conducting wire, one end of one current-conducting plate is provided with a negative contact, the other end of the other current-conducting plate is provided with a positive contact, the negative contact is provided with a negative wire, the positive contact is provided with a positive wire, one ends of the negative wire and the positive wire are connected with the corresponding electrolytic tanks, one side of the photovoltaic plate is provided with an electrolyte storage tank, the water outlet end of the electrolyte storage tank is provided with a liquid-sending pipe which sequentially penetrates through the plurality of electrolytic tanks, and the part of the liquid-sending pipe, which is positioned in the plurality of electrolytic tanks, is provided with a liquid outlet hole, one side of electrolyte holding vessel is provided with oxygen storage tank, hydrogen storage tank and gas-liquid separation module, the last installation intercommunication of oxygen storage tank has the delivery of oxygen pipe, the last installation intercommunication of hydrogen storage tank has the delivery of hydrogen pipe, the delivery of oxygen pipe all is connected with the end of giving vent to anger of gas-liquid separation module with the delivery of hydrogen pipe, the inlet end of gas-liquid separation module is connected with the gas-supply pipe, the gas-supply pipe runs through a plurality of electrolysis case in proper order, the inlet port has been seted up to the part that the gas-supply pipe is located a plurality of electrolysis incasement.

Furthermore, a water valve is installed at one end, located at the electrolyte storage tank, of the liquid sending pipe.

Furthermore, one end of the oxygen delivery pipe located at the oxygen storage tank and one end of the hydrogen delivery pipe located at the hydrogen storage tank are both provided with a one-way valve.

Further, the liquid sending pipe is arranged below the inside of the electrolytic tank, and the gas conveying pipe is arranged above the inside of the electrolytic tank.

(III) advantageous effects

Compared with the prior art, the utility model provides a photovoltaic hydrogen production assembly, which has the following beneficial effects:

the utility model optimizes the connection mode of cell elements in the existing photovoltaic panel, the connection mode of the cell elements in the photovoltaic panel is that a plurality of cell elements are connected in series to form a small cell group, then the plurality of cell groups are connected in parallel to form a photovoltaic panel with high current and low voltage, the photovoltaic panel is directly connected with an electrolytic tank, so that modules such as an inverter, a transformer and the like are not needed, a liquid feeding pipe penetrates through a plurality of electrolytic tanks and then is connected with an electrolyte storage tank, so that liquid can be simultaneously fed to the plurality of electrolytic tanks, a gas conveying pipe penetrates through the plurality of electrolytic tanks and then is connected with a gas-liquid separation module, the gas-liquid separation module can respectively convey oxygen and hydrogen generated in the plurality of electrolytic tanks to an oxygen storage tank and a hydrogen storage tank through an oxygen feeding pipe and a hydrogen feeding pipe, so that each electrolytic tank is not required to be provided with a gas-liquid separation module, an electrolyte storage tank and a gas-liquid separation module, The oxygen storage tank and the hydrogen storage tank are simple in whole process and low in power consumption.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the parallel connection of cell stacks according to the present invention;

FIG. 3 is a schematic sectional view of an electrolytic tank of the present invention.

In the figure: 1. a photovoltaic panel; 2. an electrolytic tank; 3. a battery piece group; 4. a conductive plate; 5. a negative electrode contact; 6. a positive electrode contact; 7. a negative electrode line; 8. a positive line; 9. an electrolyte storage tank; 10. a liquid delivery pipe; 11. an oxygen storage tank; 12. a hydrogen storage tank; 13. a gas-liquid separation module; 14. an oxygen supply pipe; 15. a hydrogen delivery pipe; 16. a gas delivery pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-3, a photovoltaic hydrogen production assembly according to an embodiment of the present invention includes a plurality of photovoltaic panels 1, the photovoltaic panels 1 are fixed to each other, an electrolytic tank 2 is mounted on each photovoltaic panel 1, a plurality of cell groups 3 are disposed in each photovoltaic panel 1, the cell groups 3 are connected in parallel by two conductive plates 4, each cell group 3 is formed by connecting a plurality of cell elements in series by a conductive wire, one end of one conductive plate 4 is mounted with a negative electrode contact 5, one end of the other conductive plate 4 is mounted with a positive electrode contact 6, the negative electrode contact 5 is mounted with a negative electrode wire 7, the positive electrode contact 6 is mounted with a positive electrode wire 8, one ends of the negative electrode wire 7 and the positive electrode wire 8 are connected to the corresponding electrolytic tank 2, one side of the photovoltaic panel 1 is provided with an electrolyte storage tank 9, a water outlet end of the electrolyte storage tank 9 is mounted with a liquid delivery pipe 10, the liquid feeding pipe 10 penetrates through the plurality of electrolytic tanks 2 in sequence, liquid outlet holes are formed in the parts, located in the plurality of electrolytic tanks 2, of the liquid feeding pipe 10, an oxygen storage tank 11, a hydrogen storage tank 12 and a gas-liquid separation module 13 are arranged on one side of an electrolyte storage tank 9, an oxygen feeding pipe 14 is installed and communicated on the oxygen storage tank 11, a hydrogen feeding pipe 15 is installed and communicated on the hydrogen storage tank 12, the oxygen feeding pipe 14 and the hydrogen feeding pipe 15 are both connected with the gas outlet end of the gas-liquid separation module 13, the gas inlet end of the gas-liquid separation module 13 is connected with a gas conveying pipe 16, the gas conveying pipe 16 penetrates through the plurality of electrolytic tanks 2 in sequence, gas inlet holes are formed in the parts, located in the plurality of electrolytic tanks 2, of the gas conveying pipe 16, during hydrogen production, voltage generated by the photovoltaic panel 1 is directly connected with the corresponding electrolytic tanks 2 through the negative electrode wires 7 and the positive electrode wires 8, water in the electrolytic tanks 2 can be electrolyzed into hydrogen and oxygen, and hydrogen and oxygen generated in the plurality of electrolytic tanks 2 can enter the gas conveying pipe 16, then, oxygen, hydrogen and water are separated by the gas-liquid separation module 13, and are respectively conveyed to the oxygen storage tank 11 and the hydrogen storage tank 12 through the oxygen conveying pipe 14 and the hydrogen conveying pipe 15 to be stored, and electrolyte can be supplemented to the plurality of electrolytic tanks 2 through the liquid conveying pipe 10, wherein the gas-liquid separation module 13 needs to be externally connected with a power supply.

In some embodiments, as shown in fig. 1, a water valve is installed at one end of the liquid sending pipe 10 located at the electrolyte storage tank 9, so as to control the on/off of the liquid sending pipe 10, and thus, the supply of electrolyte to the plurality of electrolytic tanks 2 can be controlled.

As shown in fig. 1, in some embodiments, a check valve is installed at both the end of the oxygen supply pipe 14 located at the oxygen tank 11 and the end of the hydrogen supply pipe 15 located at the hydrogen tank 12 in order to prevent the backflow of gas.

As shown in fig. 3, in some embodiments, the liquid feeding pipe 10 is disposed below the inside of the electrolytic tank 2, and the gas delivery pipe 16 is disposed above the inside of the electrolytic tank 2, so that when the electrolyte in the electrolytic tank 2 is electrolyzed to generate hydrogen gas and oxygen gas, the hydrogen gas and the oxygen gas can enter the gas delivery pipe 16 without entering the liquid feeding pipe 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A photovoltaic hydrogen production assembly comprises a plurality of photovoltaic panels (1) and is characterized in that: the photovoltaic panel comprises a plurality of photovoltaic panels (1), electrolysis tanks (2) are installed on the photovoltaic panels (1), a plurality of groups of cell groups (3) are arranged in the photovoltaic panels (1), the cell groups (3) are connected in parallel through two conductive plates (4), each cell group (3) is formed by connecting a plurality of cell elements in series through a wire, one end of each conductive plate (4) is provided with a negative contact (5), the other end of each conductive plate (4) is provided with a positive contact (6), the negative contact (5) is provided with a negative wire (7), the positive contact (6) is provided with a positive wire (8), one ends of the negative wire (7) and the positive wire (8) are connected with the corresponding electrolysis tanks (2), one side of each photovoltaic panel (1) is provided with an electrolyte storage tank (9), a liquid delivery pipe (10) is arranged and communicated at the water outlet end of the electrolyte storage tank (9), the liquid feeding pipe (10) sequentially penetrates through the plurality of electrolytic tanks (2), liquid outlet holes are arranged on the parts of the liquid feeding pipe (10) positioned in the plurality of electrolytic tanks (2), an oxygen storage tank (11), a hydrogen storage tank (12) and a gas-liquid separation module (13) are arranged on one side of the electrolyte storage tank (9), the oxygen storage tank (11) is provided with an oxygen supply pipe (14) in a communicating way, the hydrogen storage tank (12) is provided with a hydrogen supply pipe (15) in a communicating way, the oxygen supply pipe (14) and the hydrogen supply pipe (15) are both connected with the gas outlet end of the gas-liquid separation module (13), the air inlet end of the gas-liquid separation module (13) is connected with an air conveying pipe (16), the gas transmission pipe (16) penetrates through the electrolytic tanks (2) in sequence, and the part of the gas transmission pipe (16) located in the electrolytic tanks (2) is provided with a gas inlet hole.

2. A photovoltaic hydrogen production assembly according to claim 1, characterized in that: and a water valve is arranged at one end of the liquid sending pipe (10) positioned at the electrolyte storage tank (9).

3. A photovoltaic hydrogen production assembly according to claim 1, characterized in that: one end of the oxygen supply pipe (14) positioned at the oxygen storage tank (11) and one end of the hydrogen supply pipe (15) positioned at the hydrogen storage tank (12) are both provided with one-way valves.

4. A photovoltaic hydrogen production assembly according to claim 1, characterized in that: the liquid sending pipe (10) is arranged below the inside of the electrolytic tank (2), and the gas conveying pipe (16) is arranged above the inside of the electrolytic tank (2).