CN114774953A - Hydrogen production reaction equipment with programmable control of hydrogen production rate - Google Patents
Hydrogen production reaction equipment with programmable control of hydrogen production rate Download PDFInfo
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- CN114774953A CN114774953A CN202210406495.2A CN202210406495A CN114774953A CN 114774953 A CN114774953 A CN 114774953A CN 202210406495 A CN202210406495 A CN 202210406495A CN 114774953 A CN114774953 A CN 114774953A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 82
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 82
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 54
- 230000001105 regulatory effect Effects 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 23
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/023—Measuring, analysing or testing during electrolytic production
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Analytical Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses hydrogen production reaction equipment with a programmable control hydrogen production rate, which comprises an electrolytic bath, a first electrode and a second electrode which are arranged on the electrolytic bath, a hydrogen outlet pipe and an oxygen outlet pipe which are arranged on the upper part of the electrolytic bath, a gas flow monitor which is arranged on the hydrogen outlet pipe, a liquid inlet pipe and a liquid outlet pipe which are arranged on the side part of the electrolytic bath, a current regulating circuit which is connected with the first electrode and the second electrode, a DC-DC (direct current) -DC conversion device and a rectifying circuit which are connected with the current regulating circuit, an ammeter which is arranged on a connecting line of the first electrode and the current regulating circuit, and a PLC (programmable logic controller) which is connected with the ammeter and the gas flow monitor, wherein the liquid inlet pipe is positioned above the liquid outlet pipe, and the PLC is connected with the current regulating circuit. The PLC controller of the hydrogen production reaction equipment can automatically control the current of the hydrogen production electrode in a programmable mode by acquiring and analyzing the data of the gas flow monitor and the ammeter, so that the high-precision adjustment of the hydrogen production rate is realized.
Description
Technical Field
The invention belongs to the technical field of hydrogen production equipment, and particularly relates to hydrogen production reaction equipment with a programmable hydrogen production rate control function.
Background
The hydrogen energy industry is a strategic industry system for constructing a low-carbon clean energy system, responding to environmental challenges and ensuring energy safety, and hydrogen has the dual property of communicating energy and substances and is an important link for extending electric energy to various industry fields and deeply replacing fossil energy for utilization. The hydrogen has the dual properties of energy and substance communication, is an important link for extending electric energy to various industry fields to replace fossil fuels, and does not discharge atmospheric pollutants and greenhouse gases in the using process. Therefore, the development of the hydrogen energy industry has great strategic significance.
In the hydrogen energy industry, hydrogen is produced by using a water electrolysis method, hydrogen is separated out by electrolyzing water and then is input into a hydrogen storage tank through a hydrogen outlet pipe to be stored, in the actual hydrogen production process, if the hydrogen production rate is too slow, the production efficiency is very low and cannot meet the use requirement, but if the hydrogen production rate is too fast, the gas flow and the pressure can be increased and even exceed the bearing capacity of a matched conveying pipeline and the storage tank, so that potential safety hazards are caused.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides hydrogen production reaction equipment which adopts a programmable PLC to automatically control the current of a hydrogen production electrode so as to adjust the hydrogen production rate and has high control precision.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a hydrogen production reaction device with a programmable control hydrogen production rate comprises an electrolytic bath, a first electrode and a second electrode which are arranged on the electrolytic bath, a hydrogen outlet pipe and an oxygen outlet pipe which are arranged on the upper part of the electrolytic bath, a gas flow monitor which is arranged on the hydrogen outlet pipe, a liquid inlet pipe and a liquid outlet pipe which are arranged on the side part of the electrolytic bath, a current regulating circuit connected to both the first electrode and the second electrode, a DC-DC direct current conversion device connected to the current regulating circuit, a rectifying circuit connected with the DC-DC conversion device, an ammeter arranged on a connecting line of the first electrode and the current regulating circuit, and a PLC controller connected with the ammeter and the gas flow monitor, the liquid inlet pipe is positioned above the liquid outlet pipe, and the PLC is connected with the current regulating circuit.
Further, the current regulation circuit comprises a digital potentiometer chip U1 with the model of MAX5435, a power amplifier chip U2 with the model of LM1875 connected with the W pin of the digital potentiometer chip U1, a resistor R1 with one end connected with the VIN-pin of the power amplifier chip U2 and the other end grounded, and a resistor R2 with one end connected with the VOUT pin of the power amplifier chip U2 and the other end connected with the VIN-pin of the power amplifier chip U2, wherein the H pin of the digital potentiometer chip U1 is connected with the DC-DC conversion device, the SDA pin, the SCL pin and the A0 pin of the digital potentiometer chip U1 are all connected with the PLC controller, the GND pin and the L pin of the digital potentiometer chip U1 are both grounded, the VDD pin of the digital potentiometer chip U1 is connected with a power supply VIN, and the + pin of the power amplifier chip U2 is connected with the W pin of the digital potentiometer chip U1, the V + pin of the digital potentiometer chip U1 is connected with a power supply Vs, the V-pin of the digital potentiometer chip U1 is grounded, the VOUT pin of the power amplifier chip U2 is connected with the first electrode, and the second electrode is grounded.
Further, the rectification circuit comprises a transformer T1 with one end connected with an external 220V alternating current power supply, and a bridge stack QL1 connected with the other end of the transformer T1, wherein an AC + pin and an AC-pin of the bridge stack QL1 are both connected with the transformer T1, and a DC + pin and a DC-pin of the bridge stack QL1 are both connected with the DC-DC conversion device.
Further, the DC-DC conversion device includes a first DC-DC conversion circuit and a second DC-DC conversion circuit, wherein the first DC-DC conversion circuit is connected to the current regulation circuit and the PLC controller, respectively, and the second DC-DC conversion circuit is connected to the current regulation circuit and the PLC controller, respectively.
Further, the first DC-DC conversion circuit includes a power conversion chip U3 of type LM7805, a capacitor C1 and a capacitor C2, one end of which is connected to the VIN pin of the power conversion chip U3 and the other end of which is grounded, and a capacitor C3 and a capacitor C4, one end of which is connected to the VOUT pin of the power conversion chip U3 and the other end of which is grounded.
Further, the second DC-DC conversion circuit includes a power conversion chip U4 of model LM7824, a capacitor C5 and a capacitor C6, one end of which is connected to the VIN pin of the power conversion chip U4 and the other end of which is grounded, and a capacitor C7 and a capacitor C8, one end of which is connected to the VOUT pin of the power conversion chip U4 and the other end of which is grounded.
Furthermore, a barometer connected with the PLC controller is arranged on the hydrogen outlet pipe.
Furthermore, a first valve is arranged on the liquid inlet pipe, and a second valve is arranged on the liquid outlet pipe.
Further, the first valve and the second valve are both connected with the PLC.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention relates to a hydrogen production reaction device, which is characterized in that a current regulating circuit is connected with a first electrode and a second electrode to form a circuit loop, then a PLC controller is used for collecting data on a gas flow monitor and an ammeter and calculating the current hydrogen production rate, the PLC controller is used for regulating and controlling the current of the current regulating circuit, so that the hydrogen production rate of the first electrode and the second electrode is changed, in the current regulating circuit, the high-precision regulation of the current is realized by adopting a digital potentiometer chip, meanwhile, a 220V external alternating current power supply is converted into a direct current power supply by arranging a rectifying circuit, and the stable voltage which is suitable for the current regulating circuit and the PLC controller is output by a DC-DC conversion device.
(2) The current regulating circuit realizes high-precision control of current by adopting a digital potentiometer chip with the model of MAX5435, the rectifying circuit converts alternating current into direct current power by adopting a bridge rectifier QL1, the first DC-DC conversion circuit outputs stable 5V voltage by adopting a power conversion chip with the model of LM7805, and the second DC-DC conversion circuit outputs stable 24V voltage by adopting a power conversion chip with the model of LM7824, so that stable power input is provided for the current regulating circuit and a PLC (programmable logic controller).
(3) The PLC controller of the invention improves the measurement precision of the current hydrogen production rate by acquiring and analyzing the data of the barometer arranged on the hydrogen outlet pipe, and in addition, the automatic input of the electrolyte and the automatic discharge of the waste liquid are realized by the arrangement of the first valve and the second valve and the control of the PLC controller, thereby enhancing the degree of automatic control.
Drawings
FIG. 1 is a schematic diagram of the overall control of a hydrogen production reaction apparatus according to the present invention.
Fig. 2 is a schematic diagram of a current regulating circuit of the present invention.
Fig. 3 is a schematic diagram of a rectifier circuit of the present invention.
Fig. 4 is a schematic diagram of the DC-DC converter according to the present invention.
Fig. 5 is a schematic diagram of a first DC-DC conversion circuit of the present invention.
Fig. 6 is a schematic diagram of a second DC-DC conversion circuit of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
the device comprises an electrolytic cell 1, a first electrode 2, a second electrode 3, an ammeter 4, a hydrogen outlet pipe 5, an oxygen outlet pipe 6, a liquid inlet pipe 7, a liquid outlet pipe 8, a barometer 9, a gas flow monitor 10, a first valve 11, a second valve 12, an electrolyte tank 13, a waste liquid tank 14, a PLC 15, a current regulating circuit 16, a direct current conversion device 17-DC-DC, a rectification circuit 18, a hydrogen storage tank 19, a first DC-DC conversion circuit 1701, and a second DC-DC conversion circuit 1702.
Detailed Description
The present invention is further illustrated by the following figures and examples, which include, but are not limited to, the following examples.
Examples
As shown in fig. 1 and fig. 6, the present embodiment provides a hydrogen production reaction apparatus with a programmable hydrogen production rate control, comprising an electrolytic tank 1, a first electrode 2, a second electrode 3, a hydrogen outlet pipe 5, an oxygen outlet pipe 6, a gas flow monitor 10, a liquid inlet pipe 7, a liquid outlet pipe 8, a current regulating circuit 16, a DC-DC direct current conversion device 17, a rectification circuit 18, an ammeter 4, and a PLC controller 15, wherein the electrolytic tank 1 is a basic apparatus for producing hydrogen, and provides a hydrogen production reaction space for an electrolyte and the first electrode 2 and the second electrode 3, the first electrode 2 is used as a hydrogen production positive electrode, the second electrode 3 is used as a hydrogen production negative electrode, the hydrogen outlet pipe 5 is used for outputting produced hydrogen, a hydrogen storage tank 19 is provided on the hydrogen outlet pipe 5 for storing hydrogen, the oxygen outlet pipe 6 is used for outputting produced oxygen, and according to actual production conditions, the oxygen is discharged to the air or collected and stored, the gas flow monitor 10 is used for monitoring the flow of hydrogen, the rate of hydrogen generation is calculated through flow data, the liquid inlet pipe 7 is an input pipe of electrolyte, the liquid inlet pipe 7 is connected with an electrolyte tank 13, the liquid outlet pipe 8 is a waste liquid discharge pipe generated by electrolytic reaction, the liquid outlet pipe 8 is provided with a waste liquid tank 14, the current regulating circuit 16 is used for regulating electrode current, the DC-DC conversion device 17 is used for converting DC voltage to obtain the voltage required by the current regulating circuit 16 and the PLC 15, the rectifying circuit 18 is used for converting 220V AC into DC power, and the ammeter 4 is used for measuring the current of a loop formed by the electrode and the current regulating circuit 16.
In this embodiment, the PLC controller 15 is used as a control core of the whole hydrogen production reaction apparatus, and the PLC is an acronym of Programmable logic controller in english, and is called a Programmable logic controller in chinese, and the PLC controller 15 of this embodiment performs corresponding regulation control by being programmed in advance and combining data collected from the ammeter 4 and the gas flow rate monitor 10.
In this embodiment, the current adjusting circuit 16 includes a digital potentiometer chip U1 with a model of MAX5435, a power amplifier chip U2 with a model of LM1875 connected to a W pin of the digital potentiometer chip U1, a resistor R1 with one end connected to a VIN-pin of the power amplifier chip U2 and the other end grounded, and a resistor R2 with one end connected to a VOUT pin of the power amplifier chip U2 and the other end connected to a VIN-pin of the power amplifier chip U2, wherein a H pin of the digital potentiometer chip U1 is connected to the DC-DC converter 17, an SDA pin, an SCL pin and an a0 of the digital potentiometer chip U1 are connected to the PLC controller 15, a GND pin and an L pin of the digital potentiometer chip U1 are grounded, a VDD pin of the digital potentiometer chip U1 is connected to a power source VCC, a VIN + pin of the power amplifier chip U2 is connected to a W pin of the digital potentiometer chip U1, and a V + pin of the digital potentiometer chip U1 is connected to a power source Vs, the V-pin of the digital potentiometer chip U1 is grounded, the VOUT pin of the power amplifier chip U2 is connected with the first electrode 2, and the second electrode 3 is grounded. In this embodiment, a power source VCC and a power source Vs are both connected to the DC-DC conversion device 17, where the power source VCC is a +5V power input, and the power source Vs is a +24V power input.
Current regulation circuit 16 is through adopting the digital potentiometer chip that the model is MAX5435 in this embodiment, the high accuracy control to the electric current has been realized, MAX5435 is a high sensitivity's digital resistance adjustment chip of a section, compare in traditional adjustable resistance, automatic control not only can be realized to the digital potentiometer chip, and it is higher to adjust the precision, and simultaneously, the power signal of output is carried out the operational amplification to the digital potentiometer chip through setting up the power amplifier chip that the model is LM1875, the current regulation ability has been strengthened.
In the present embodiment, the rectifying circuit 18 converts the ac power into the dc power by using a transformer T1 and a bridge q l1, wherein the transformer T1 is a 220V ac transformer commonly used in the industry, and the bridge QL1 is a power device whose interior is mainly a bridge circuit composed of four diodes to convert the input ac voltage into the output dc voltage.
In the present embodiment, the DC-DC conversion device 17 includes a first DC-DC conversion circuit 1701 and a second DC-DC conversion circuit 1702, wherein the first DC-DC conversion circuit 1701 outputs a stable 5V voltage by using a power conversion chip of a model LM7805, and the second DC-DC conversion circuit 1702 outputs a stable 24V voltage by using a power conversion chip of a model LM7824, thereby providing a stable power input to the current regulation circuit 16 and the PLC controller 15.
In this embodiment, the barometer 9 is arranged on the hydrogen outlet pipe 5, the PLC controller 15 collects and analyzes the air pressure measured by the barometer 9, and on the basis of the gas flow monitor 10, reference data is added, and the measurement accuracy of the current hydrogen production rate is improved through the operation and analysis of the PLC controller 15.
In this embodiment, be provided with first valve 11 on the feed liquor pipe 7, be provided with second valve 12 on the drain pipe 8, the switching and the regulation of first valve 11 and second valve 12, the accessible manual regulation is realized, also can be connected first valve 11 and second valve 12 with PLC controller 15, carry out the regulation and control to first valve 11 and second valve 12 through actual need, thereby realized the automatic input to electrolyte and the automatic discharge of waste liquid, strengthened the degree of automated control.
When the invention is used, the current regulating circuit 16 is connected with the first electrode 2 and the second electrode 3 to form a circuit loop, then the PLC 15 collects the data of the gas flow monitor 10 and the ammeter 4 and calculates the current hydrogen production rate, the current of the current regulating circuit 16 is regulated and controlled by the PLC 15, thereby changing the hydrogen production rate of the first electrode 2 and the second electrode 3, in the current regulating circuit 16, high-precision regulation of the current is realized by adopting a digital potentiometer chip, meanwhile, a rectifying circuit 18 is arranged to convert a 220V external alternating current power supply into a direct current power supply, and a DC-DC conversion device 17 outputs a stable voltage suitable for the current regulation circuit 16 and the PLC 15. In this embodiment, the connection between the PLC controller 15 and the current adjusting circuit 16, the DC-DC converter 17, the gas flow monitor 10, the ammeter 4, the barometer 9, the first valve 11, and the second valve 12 belongs to the prior art, and may be implemented by conventional hardware design, and the specific circuit configuration thereof is not described in this embodiment again.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all changes that can be made by applying the principles of the present invention and performing non-inventive work on the basis of the principles shall fall within the scope of the present invention.
Claims (9)
1. A hydrogen production reaction device with a programmable hydrogen production rate control, which is characterized in that: including electrolysis trough (1), set up in first electrode (2) and second electrode (3) on electrolysis trough (1), set up in hydrogen outlet duct (5) and oxygen outlet duct (6) on electrolysis trough (1) upper portion, set up in gas flow monitor (10) on hydrogen outlet duct (5), set up in feed liquor pipe (7) and drain pipe (8) of electrolysis trough (1) lateral part, with first electrode (2) with current regulation circuit (16) that second electrode (3) homogeneous phase is connected, with DC-DC direct current conversion device (17) that current regulation circuit (16) are connected, with rectifier circuit (18) that DC-DC direct current conversion device (17) are connected, first electrode (2) with ammeter (4) that set up on the connecting line of current regulation circuit (16), and with ammeter (4) with PLC controller (15) that gas flow monitor (10) homogeneous phase is connected ) The liquid inlet pipe (7) is positioned above the liquid outlet pipe (8), and the PLC controller (15) is connected with the current regulating circuit (16).
2. A hydrogen production reaction apparatus with programmable control of hydrogen production rate according to claim 1, characterized in that: the current regulating circuit (16) comprises a digital potentiometer chip U1 with the model of MAX5435, a power amplifier chip U2 with the model of LM1875 connected with a W pin of the digital potentiometer chip U1, a resistor R1 with one end connected with a VIN-pin of the power amplifier chip U2 and the other end grounded, and a resistor R2 with one end connected with a VOUT pin of the power amplifier chip U2 and the other end connected with a VIN-pin of the power amplifier chip U2, wherein an H pin of the digital potentiometer chip U1 is connected with the DC-DC conversion device (17), an SDA pin, an SCL pin and an A0 pin of the digital potentiometer chip U1 are all connected with the PLC (15), a GND pin and an L pin of the digital potentiometer chip U1 are both grounded, a VIN pin of the digital potentiometer chip U1 is connected with a VCC, a + pin of the power amplifier chip U2 is connected with a W pin of the digital potentiometer chip U1, the V + pin of the digital potentiometer chip U1 is connected with a power supply Vs, the V-pin of the digital potentiometer chip U1 is grounded, the VOUT pin of the power amplifier chip U2 is connected with the first electrode (2), and the second electrode (3) is grounded.
3. A hydrogen production reaction apparatus with programmable control of hydrogen production rate according to claim 2, characterized in that: the rectifying circuit (18) comprises a transformer T1 with one end connected with an external 220V alternating current power supply and a bridge stack QL1 connected with the other end of the transformer T1, wherein an AC + pin and an AC-pin of the bridge stack QL1 are both connected with the transformer T1, and a DC + pin and a DC-pin of the bridge stack QL1 are both connected with the DC-DC conversion device (17).
4. A hydrogen production reaction apparatus with a programmable hydrogen production rate control as claimed in claim 3, characterized in that: the DC-DC direct current conversion device (17) includes a first DC-DC conversion circuit (1701) and a second DC-DC conversion circuit (1702), wherein the first DC-DC conversion circuit (1701) is connected to the current regulation circuit (16) and the PLC controller (15), respectively, and the second DC-DC conversion circuit (1702) is connected to the current regulation circuit (16) and the PLC controller (15), respectively.
5. A hydrogen production reaction apparatus with a programmable hydrogen production rate control as claimed in claim 4, characterized in that: the first DC-DC conversion circuit (1701) comprises a power conversion chip U3 with the model number LM7805, a capacitor C1 and a capacitor C2, wherein one end of the capacitor C1 is connected with the VIN pin of the power conversion chip U3, the other end of the capacitor C2 is grounded, one end of the capacitor C3 and the other end of the capacitor C4 are connected with the VOUT pin of the power conversion chip U3, and the other end of the capacitor C4 is grounded.
6. A hydrogen production reaction apparatus with a programmable hydrogen production rate control as claimed in claim 4, characterized in that: the second DC-DC conversion circuit (1702) comprises a power conversion chip U4 with the model of LM7824, a capacitor C5 and a capacitor C6, wherein one end of the capacitor C5 is connected with the VIN pin of the power conversion chip U4, the other end of the capacitor C6 is grounded, one end of the capacitor C7 and one end of the capacitor C8 are connected with the VOUT pin of the power conversion chip U4, and the other end of the capacitor C7 and the other end of the capacitor C8 are grounded.
7. A hydrogen production reaction apparatus with programmable control of hydrogen production rate according to claim 1, characterized in that: and the hydrogen outlet pipe (5) is provided with a barometer (9) connected with the PLC (15).
8. A hydrogen production reaction apparatus with a programmable control of hydrogen production rate according to claim 1, characterized in that: the liquid inlet pipe (7) is provided with a first valve (11), and the liquid outlet pipe (8) is provided with a second valve (12).
9. A hydrogen production reaction apparatus with programmable control of hydrogen production rate according to claim 8, characterized in that: the first valve (11) and the second valve (12) are both connected with the PLC (15).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115976571A (en) * | 2022-12-09 | 2023-04-18 | 北京奇稳新能源科技有限公司 | Hydrogen production control system with demand side response |
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| CN102656742A (en) * | 2009-12-24 | 2012-09-05 | 丰田自动车株式会社 | Air battery system |
| CN110570893A (en) * | 2018-06-05 | 2019-12-13 | 记忆科技(深圳)有限公司 | Flash automatic screening system and screening method for realizing voltage bias |
| WO2021196564A1 (en) * | 2020-04-03 | 2021-10-07 | 中国华能集团清洁能源技术研究院有限公司 | Wide-power hydrogen production system and method by electrolysis of water |
| CN113897618A (en) * | 2020-06-22 | 2022-01-07 | 现代自动车株式会社 | Water electrolysis system |
| CN113215593A (en) * | 2021-03-16 | 2021-08-06 | 宝武清洁能源有限公司 | Green hydrogen preparation system of hybrid electrolysis water |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115976571A (en) * | 2022-12-09 | 2023-04-18 | 北京奇稳新能源科技有限公司 | Hydrogen production control system with demand side response |
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