A fully automated control and monitoring system for water electrolyzers

Abstract

The utility model relates to the technical field of water electrolysis cells, and in particular to a fully automated control and monitoring system for water electrolysis cells, comprising an electrolysis cell, a power supply cable fixedly connected to the side of the electrolysis cell, a current sensor and a voltage sensor fixedly connected to the surface of the power supply cable, a power source fixedly connected to the side of the power supply cable, a temperature sensor and a liquid level sensor fixedly connected to the outer wall of the electrolysis cell, and an air outlet pipe fixedly connected to the top of the electrolysis cell; through comprehensive intelligent transformation of the electrolysis cell, a variety of sensors with signal output capabilities are introduced, including current sensors, voltage sensors, pressure sensors, liquid level sensors, flow sensors, temperature sensors, etc., and the signals detected by each sensor are input into a PLC control central system, which can not only display the operation status of the equipment in real time, but also realize the basic use of remote control equipment, and achieve the requirement of unattended operation.

Description

Technical Field

[0001] The utility model relates to the technical field of water electrolysis tanks, in particular to a fully automated control and monitoring system for water electrolysis tanks. Background Art

[0002] The water electrolysis cell group currently used does not have the ability of automatic control. The water electrolysis generator is integrated with measuring instruments such as ammeter, voltmeter, and pressure gauge, but it does not have the ability to output signals. The staff needs to observe on-site to understand the operation of the equipment, which is not conducive to reducing labor costs and is difficult to achieve unmanned operation. Therefore, we proposed a fully automatic control and monitoring system for water electrolysis cells. Utility Model Content

[0003] The purpose of the utility model is to provide a fully automated control and monitoring system for a water electrolysis cell, so as to solve the problem that the water electrolysis cell group proposed in the above-mentioned background technology does not have the ability of automated control, the water electrolysis generator is integrated with measuring instruments such as ammeters, voltmeters, and pressure gauges, but does not have the ability to output signals, and the staff needs to observe on-site to understand the operation of the equipment, which is not conducive to reducing labor costs and is difficult to achieve unmanned operation.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A fully automated control and monitoring system for a water electrolyzer comprises an electrolyzer, a power supply cable is fixedly connected to the side of the electrolyzer, a current sensor and a voltage sensor are respectively fixedly connected to the surface of the power supply cable, a power supply is fixedly connected to the side of the power supply cable, a temperature sensor and a liquid level sensor are respectively fixedly connected to the outer wall of the electrolyzer, an air outlet pipe is fixedly connected to the top of the electrolyzer, a pressure sensor and a flow sensor are respectively fixedly connected to the outside of the air outlet pipe, a cutting gun is fixedly connected to the side end of the air outlet pipe, and a PLC control system is fixedly connected to the side of the electrolyzer.

[0006] As a preferred solution of the utility model, a display is fixedly connected to the side of the PLC control system, the input end of the display is electrically connected to the output end of the PLC control system, and the output end of the PLC control system is respectively fixedly connected with an electrolytic switch, a liquid replenishment solenoid valve and a current size adjustment.

[0007] As a preferred solution of the utility model, the electrolytic switch, the liquid replenishing solenoid valve and the input end of the current magnitude adjustment are electrically connected to the output end of the PLC control system respectively.

[0008] As a preferred solution of the present utility model, the output ends of the current sensor, voltage sensor, temperature sensor, pressure sensor, flow sensor and liquid level sensor are electrically connected to the input ends of the PLC control system respectively.

[0009] As a preferred solution of the utility model, the liquid level sensor is fixedly connected to the side of the electrolytic cell, and the temperature sensor is fixedly connected to the top of the electrolytic cell.

[0010] As a preferred solution of the present invention, the shape of the display is rectangular, and the material of the display is glass.

[0011] As a preferred solution of the utility model, the bottom of the cutting gun is conical, and the cutting gun is arranged on the side of the electrolytic cell.

[0012] As a preferred solution of the utility model, the shape of the air outlet pipe is L-shaped, and the material of the air outlet pipe is plastic.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, through the comprehensive intelligent transformation of the electrolytic cell, a variety of sensors with signal output capabilities are introduced, including current sensors, voltage sensors, pressure sensors, liquid level sensors, flow sensors, temperature sensors, etc. The signals detected by each sensor are input into the PLC control central system, which can not only display the operation status of the equipment in real time, but also realize the basic use of remote control equipment, realizing the unattended requirement.

[0015] 2. In the utility model, by setting up a PLC control system, an electrolytic switch, a display, a rehydration solenoid valve and a current size adjustment for coordinated use, a signal is transmitted to the PLC control central system, and the PLC integrates the signal into the display. The display can display the electrolytic current, voltage, internal pressure, electrolytic temperature, electrolyte level and gas production flow rate of the electrolytic cell in real time. If the value exceeds a preset range, an alarm will be issued; at the same time, the PLC can control the on and off of the electrolytic switch of the electrolytic cell, the switch of automatic rehydration, and remote adjustment of the electrolytic current, thereby improving the practicality of the entire system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is the system control block diagram of the utility model;

[0018] Figure 3 This is the control diagram of the PLC control system of the utility model;

[0019] Figure 4 This is a control schematic diagram of the display of the utility model.

[0020] In the figure: 1. Current sensor; 2. Temperature sensor; 3. Pressure sensor; 4. Flow sensor; 5. Liquid level sensor; 6. Cutting gun; 7. Electrolytic cell; 8. Power supply cable; 9. Voltage sensor; 10. Power supply; 11. Air outlet pipe; 12. PLC control system; 13. Display; 14. Electrolytic switch; 15. Liquid replenishing solenoid valve; 16. Current size adjustment. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0023] A fully automated control and monitoring system for a water electrolyzer comprises an electrolyzer 7, a power supply cable 8 is fixedly connected to the side of the electrolyzer 7, a current sensor 1 and a voltage sensor 9 are respectively fixedly connected to the surface of the power supply cable 8, a power supply 10 is fixedly connected to the side of the power supply cable 8, a temperature sensor 2 and a liquid level sensor 5 are respectively fixedly connected to the outer wall of the electrolyzer 7, an air outlet pipe 11 is fixedly connected to the top of the electrolyzer 7, a pressure sensor 3 and a flow sensor 4 are respectively fixedly connected to the outside of the air outlet pipe 11, a cutting gun 6 is fixedly connected to the side end of the air outlet pipe 11, and a PLC control system 12 is fixedly connected to the side of the electrolyzer 7.

[0024] In this embodiment, Figure 2 and Figure 4 As shown, a display 13 is fixedly connected to the side of the PLC control system 12, and the input end of the display 13 is electrically connected to the output end of the PLC control system 12. The output end of the PLC control system 12 is respectively fixedly connected with an electrolytic switch 14, a liquid replenishing solenoid valve 15 and a current size adjustment 16. The input ends of the electrolytic switch 14, the liquid replenishing solenoid valve 15 and the current size adjustment 16 are respectively electrically connected to the output end of the PLC control system 12, and the output ends of the current sensor 1, the voltage sensor 9, the temperature sensor 2, the pressure sensor 3, the flow sensor 4 and the liquid level sensor 5 are respectively electrically connected to the input end of the PLC control system 12.

[0025] Among them, the signal is transmitted to the PLC control central system, and the PLC integrates the signal into the display 13. The display 13 can display the electrolysis current, voltage, internal pressure, electrolysis temperature, electrolyte level and gas production flow rate of the electrolytic cell 7 in real time. If the value exceeds the preset range, an alarm will be issued; at the same time, the PLC control system 12 can control the on and off of the electrolysis switch 14 of the electrolytic cell 7, the switch of automatic liquid replenishment, and remote adjustment of the size of the electrolysis current, thereby improving the practicality of the entire system.

[0026] In this embodiment, Figure 1 and Figure 3 As shown, the liquid level sensor 5 is fixedly connected to the side of the electrolytic cell 7, the temperature sensor 2 is fixedly connected to the top of the electrolytic cell 7, the display 13 is rectangular in shape, the display 13 is made of glass, the bottom of the cutting gun 6 is conical, the cutting gun 6 is arranged on the side of the electrolytic cell 7, and the shape of the air outlet pipe 11 is L-shaped, and the material of the air outlet pipe 11 is plastic.

[0027] Among them, through the comprehensive intelligent transformation of the electrolytic cell 7, a variety of sensors with signal output capabilities were introduced, including current sensor 1, voltage sensor 9, pressure sensor 3, liquid level sensor 5, flow sensor 4, temperature sensor 2, etc. The signals detected by each sensor are input into the PLC control central system, which can not only display the operation status of the equipment in real time, but also realize the basic use of remote control equipment, realizing the unmanned requirement.

[0028] Working process of the utility model: when the fully automatic control and monitoring system of the water electrolysis cell designed by the present invention is working, the current sensor 1, the voltage sensor 9, the temperature sensor 2, the liquid level sensor 5, the pressure sensor 3, the flow sensor 4, etc. collect signals on the electrolysis cell 7, and transmit the signals to the PLC control central system. The PLC integrates the signals into the display 13, and the display 13 can display the electrolysis current, voltage, internal pressure, electrolysis temperature, electrolyte level and gas production flow rate of the electrolysis cell 7 in real time. If the value exceeds the preset range, an alarm will be issued; at the same time, the PLC can control the on and off of the electrolysis switch 14 of the electrolysis cell 7, the switch of automatic liquid replenishment, and the remote adjustment of the electrolysis current, so that the whole system can not only display the operation status of the equipment in real time when in use, but also realize the basic use of remote control equipment, realizing the requirement of unattended operation.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully automated control and monitoring system for a water electrolyzer, comprising an electrolyzer (7), characterized in that: A power supply cable (8) is fixedly connected to the side of the electrolytic cell (7), a current sensor (1) and a voltage sensor (9) are fixedly connected to the surface of the power supply cable (8), a power supply (10) is fixedly connected to the side of the power supply cable (8), a temperature sensor (2) and a liquid level sensor (5) are fixedly connected to the outer wall of the electrolytic cell (7), an air outlet pipe (11) is fixedly connected to the top of the electrolytic cell (7), a pressure sensor (3) and a flow sensor (4) are fixedly connected to the outside of the air outlet pipe (11), a cutting gun (6) is fixedly connected to the side end of the air outlet pipe (11), and a PLC control system (12) is fixedly connected to the side of the electrolytic cell (7).

2. A fully automated control and monitoring system for a water electrolyzer according to claim 1, characterized in that: A display (13) is fixedly connected to the side of the PLC control system (12); an input end of the display (13) is electrically connected to an output end of the PLC control system (12); and an electrolytic switch (14), a liquid replenishing solenoid valve (15) and a current magnitude regulator (16) are respectively fixedly connected to the output end of the PLC control system (12).

3. A fully automated control and monitoring system for a water electrolyzer according to claim 2, characterized in that: The input ends of the electrolytic switch (14), the liquid replenishing electromagnetic valve (15) and the current magnitude adjustment (16) are electrically connected to the output ends of the PLC control system (12) respectively.

4. A fully automated control and monitoring system for a water electrolyzer according to claim 1, characterized in that: The output ends of the current sensor (1), the voltage sensor (9), the temperature sensor (2), the pressure sensor (3), the flow sensor (4) and the liquid level sensor (5) are respectively electrically connected to the input ends of the PLC control system (12).

5. The fully automated control and monitoring system for a water electrolyzer according to claim 1, characterized in that: The liquid level sensor (5) is fixedly connected to the side of the electrolytic tank (7), and the temperature sensor (2) is fixedly connected to the top of the electrolytic tank (7).

6. A fully automated control and monitoring system for a water electrolyzer according to claim 2, characterized in that: The display (13) is in the shape of a rectangle and is made of glass.

7. A fully automated control and monitoring system for a water electrolyzer according to claim 1, characterized in that: The bottom of the cutting gun (6) is conical, and the cutting gun (6) is arranged on the side of the electrolytic cell (7).

8. The fully automated control and monitoring system for a water electrolyzer according to claim 1, characterized in that: The shape of the air outlet pipe (11) is L-shaped, and the material of the air outlet pipe (11) is plastic.

Images