WO2022160525A1 - 电化学制氧机控制系统 - Google Patents

电化学制氧机控制系统 Download PDF

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WO2022160525A1
WO2022160525A1 PCT/CN2021/095513 CN2021095513W WO2022160525A1 WO 2022160525 A1 WO2022160525 A1 WO 2022160525A1 CN 2021095513 W CN2021095513 W CN 2021095513W WO 2022160525 A1 WO2022160525 A1 WO 2022160525A1
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oxygen generator
control
control system
switch
electrochemical
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PCT/CN2021/095513
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English (en)
French (fr)
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吴宇恩
章焱
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中国科学技术大学
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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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • 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
    • 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
    • Y02E60/50—Fuel cells

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  • the present disclosure relates to the technical field of electrochemical control, and in particular, to a control system for an electrochemical oxygen generator.
  • Appropriate oxygen concentration is a necessary condition for human beings to maintain life. In the generation life, we often face the scene of insufficient oxygen concentration, and the oxygen generator can play a role at this time.
  • Traditional oxygen generators mainly have physical and chemical oxygen production methods.
  • Physical methods mainly include low temperature rectification, pressure swing adsorption and membrane separation, and chemical oxygen production mainly includes electrolysis and chemical oxygen production.
  • the cryogenic rectification method consumes high energy, requires large-scale equipment, and is basically used for large-scale industrial oxygen production.
  • the pressure swing adsorption method uses molecular sieves to selectively adsorb nitrogen and oxygen, and requires the use of air compressors, which generally have large volume and noise.
  • the membrane separation method produces low oxygen concentration and has high requirements on the performance of the membrane. While chemical oxygen production relies on consumable agents, electrolysis will generate by-product hydrogen, which poses a safety hazard and consumes additional energy.
  • the above methods of oxygen production have certain drawbacks.
  • the core stack of an electrochemical oxygen generator is an electrolytic cell, which is similar in structure to a fuel cell and consists of an anode, a cathode, and an electrolyte. Under the action of the potential difference, the stack uses electrical energy to transport oxygen molecules from the side with low concentration to the side with high concentration. The enrichment of oxygen is achieved, and the highest concentration of oxygen can be obtained as 99.9%.
  • Electrochemical oxygen generators have their own advantages over traditional physical and chemical oxygen generators. But the problem is to control the electrochemical oxygen generator to work under suitable conditions, the internal components of the stack of the electrochemical oxygen generator may be damaged when working at high temperatures, and the internal components of the stack of the electrochemical oxygen generator control system work at high temperatures It may be damaged.
  • the electrochemical oxygen generator takes the generated gas out through the electrolyte circulation.
  • the gas is separated from the electrolyte in the liquid buffer tank. After separation, it enters the gas buffer tank.
  • the gas may contain water vapor. If there is condensed liquid, it is necessary to wait for the water to return to the liquid buffer tank.
  • Add a liquid level sensor to determine whether there is liquid in the gas buffer tank. If it occurs, turn off the power and wait for the return flow. If the electrochemical oxygen generator overturns, the liquid pump may be idling, or the working system may flow out. It is necessary to turn off the power supply of the stack and alarm in time. Add an acceleration sensor to judge the attitude of the machine, and cut off the power supply of the stack in time if it exceeds the safe range.
  • the present disclosure provides a control system for an electrochemical oxygen generator, so as to alleviate the possibility of damage to the internal components of the electrochemical oxygen generator in the prior art when it works at high temperature, so it is necessary to prevent the high temperature due to insufficient heat dissipation. Timely turn off the power and other technical problems.
  • the present disclosure provides an electrochemical oxygen generator control system, including:
  • a sensor unit configured to monitor the working state of each component of the oxygen generator to obtain various monitoring data
  • the control board is configured to read various monitoring data and analyze it to obtain status data, thereby sending out control signals to control the work of each component of the oxygen generator.
  • the electrochemical oxygen generator control system further includes a Wi-Fi module, configured to receive the status data, and send the status data to the server to store in the database.
  • a Wi-Fi module configured to receive the status data, and send the status data to the server to store in the database.
  • the electrochemical oxygen generator control system further includes a power switch unit, and the power switch unit includes:
  • a power switch configured to control the opening or closing of the power supply of the oxygen generator
  • a relay switch configured to control the opening or closing of power to the auxiliary components of the stack.
  • the power switch unit is configured to receive the switch-off control signal of the receiving switch, and then control the relay switch and the power switch to be disconnected, and receive the switch-off control signal of the receiving switch, and then control the relay switch and the power switch to turn off, so as to Maintain the safe operation of the electrochemical oxygen generator control system.
  • the sensor unit includes:
  • a temperature sensor configured to obtain temperature monitoring data of the oxygen generating stack of the oxygen generator
  • an acceleration sensor configured to obtain attitude monitoring data of the oxygen generator
  • an air pressure sensor configured to obtain air pressure monitoring data of the oxygen generator
  • an oxygen sensor configured to obtain oxygen concentration monitoring data from the oxygen generator
  • the liquid level sensor is configured to obtain liquid level monitoring data of the internal liquid of the oxygen generator.
  • control board capable of analyzing the received monitoring data to obtain status data and outputting it, is configured to issue a switch-off control signal when the status data is not within the set range, and the status data is within the set range.
  • a switch closing control signal is sent from the inside.
  • the oxygen generator includes:
  • a fan configured to dissipate heat from the oxygen generator
  • the liquid pump is configured to supply electrolyte to the oxygen generator.
  • control board can control the pressure of the electrolyte supplied by the liquid pump through a closed-loop control PID algorithm.
  • a closed-loop control PID algorithm controls the rotational speed of the liquid pump.
  • control board transmits the status data to the Wi-Fi module through the serial port.
  • FIG. 1 is a schematic diagram of the TRD structure and principle of an electrochemical oxygen generator control system according to an embodiment of the disclosure.
  • the present disclosure provides an electrochemical oxygen generator control system designed to control the electrochemical oxygen generator to work in a safe working state. By adding pressure sensors on both sides of the membrane, the system adjusts the pressure on the liquid side by adjusting the speed of the liquid pump of the oxygen generator to ensure normal operation.
  • the system can upload the current working status to the server through the Wi-Fi module, and monitor the working status of the oxygen concentrator in real time through the web page.
  • the control system for an electrochemical oxygen generator includes: a control board, which is powered by a power source and capable of monitoring the received monitoring data. performing analysis to obtain status data and outputting it, configured to issue a switch open control signal when the status data is not within a set range, and the status data to issue a switch close control signal within a set range; a sensor unit, is configured to monitor the operation of the oxygen generator to obtain the monitoring data, and transmit the monitoring data to the control board; the Wi-Fi module is configured to receive the status data and send the status data to the control panel; Store the database in the server; the power switch unit is configured to receive and receive the switch disconnection control signal, thereby controlling the disconnection of the power supply of the oxygen generator stack and the power supply of the auxiliary components of the stack, and to receive and receive the switch off control signal , and then control the power supply of the oxygen generator stack and the power supply of the auxiliary components of the stack to be turned
  • the oxygen generator in the control system of the electrochemical oxygen generator, includes:
  • a fan configured to dissipate heat to the oxygen generator
  • the liquid pump is configured to supply the electrolyte to the oxygen generator.
  • control board can control the supply of electrolyte to the liquid pump through a closed-loop control PID algorithm.
  • the closed-loop control PID algorithm controls the rotation speed of the liquid pump.
  • control board transmits the status data to the Wi-Fi module through a serial port.
  • the control board adopts the PC Uno development board.
  • the sensor unit includes: a temperature sensor configured to obtain temperature monitoring data of the oxygen production stack of the oxygen generator; an acceleration sensor configured to obtain the oxygen production attitude monitoring data of the oxygen generator; an air pressure sensor, configured to obtain the air pressure monitoring data of the oxygen generator; an oxygen sensor, configured to obtain the oxygen concentration monitoring data of the oxygen generator; a liquid level sensor, configured with In order to obtain the liquid level monitoring data of the internal liquid of the oxygen generator.
  • the power switch unit includes: a power switch configured to control opening or closing of the power supply of the oxygen generator; a relay switch configured to control the power supply of the auxiliary components of the stack opening or closing.
  • the electrochemical oxygen generator control system is powered on and started by the control board, and each sensor instance is initialized according to the existing configuration (set corresponding pins), and the initialization is completed and enters the normal state.
  • the control system will enter an abnormal state. In the abnormal state, the stack work is first cut off, and then the sensor data is detected more frequently until the sensor data returns to normal, and the abnormal state is exited. In order to ensure the pressure balance on both sides of the stack membrane, the control system will adjust the power supply voltage to the liquid pump according to the data of the pressure sensors on both sides of the membrane and the PID control algorithm at every set time.
  • the closed-loop control algorithm used in this control system is the PID algorithm.
  • the measured gas side pressure is a given value
  • the liquid side pressure is the actual value
  • the difference between the two is recorded as a deviation.
  • the proportion (P), integral (I) and differential (D) of the deviation are multiplied by the corresponding coefficients and summed to form the control amount, and the controlled object (the voltage of the liquid pump) is controlled.
  • the present disclosure provides an electrochemical oxygen generator control system, which can realize real-time adjustment of the voltage of the pump to achieve pressure balance, ensure the normal operation of the oxygen generator, and realize multi-state data analysis. And shut down the stack in time to ensure the safe operation of all oxygen generator components; upload data to the server for viewing, which is convenient for users to check the status; and can realize the stack work under suitable conditions to play its silent and efficient oxygen production function .

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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)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

本发明提供一种电化学制氧机控制系统，包括：传感器单元，被配置用于监测制氧机各部件的工作状态得到多种监测数据；以及控制板，被配置用于读取所述多种监测数据并进行分析得到状态数据，由此发出控制信号控制制氧机各部件的工作。还包括Wi-Fi模块，被配置用于接收所述状态数据，并将所述状态数据发给服务器存入数据库。还包括电源开关单元，被配置用于接收所述开关断开控制信号，进而控制制氧电堆电源的继电器开关和电堆辅助部件电源的电源开关进行断开，以及接收所述开关关闭控制信号，进而控制制氧电堆电源的继电器开关和电堆辅助部件电源的电源开关进行关闭，以保持所述电化学制氧机控制系统的安全工作。

Description

电化学制氧机控制系统 技术领域
本公开涉及电化学控制技术领域，尤其涉及一种电化学制氧机控制系统。
背景技术
合适的氧气浓度是人类维持生命的必要条件，在生成生活中我们经常面对氧气浓度不足的场景，制氧机在此时可以发挥作用。传统的制氧机主要有物理和化学两种制氧方式。
物理方法主要有低温精馏法，变压吸附法和膜分离法，化学制氧主要有电解和化学药剂制氧法。低温精馏法耗能高，需要大规模设备，基本用于工业大规模制氧，变压吸附法利用分子筛对氮气氧气的选择性吸附，需要使用空气压缩机，普遍拥有较大体积和噪声。膜分离法产生氧气浓度较低且对膜的性能有较高要求。而化学药剂制氧依赖消耗性的药剂，电解法会产生副产物氢气，存在安全隐患且消耗了额外的能量。以上制氧方法都有一定的缺陷。
电化学制氧机的核心电堆是一种电解池，结构与燃料电池类似，由阳极、阴极、电解质组成。电堆在电位差作用下，利用电能把氧气分子从浓度低的一侧搬运到浓度高的一侧。实现了氧气的富集，最高可得到浓度99.9％的氧气。电化学制氧机相对传统物理和化学制氧机有着自己的优势。但问题是控制电化学制氧机工作在合适的条件下，电化学制氧机的电堆内部部件在高温下工作可能受损，电化学制氧机控制系统的电堆内部部件在高温下工作可能受损，电化学制氧机通过电解液循环将产生的气体带出，气体在液体缓冲罐中与电解液离，分离后进入气体缓冲罐，气体中可能带有水汽，若气体缓冲罐中出现凝结的液体，需要等水回流至液体缓冲罐，加入液位传感器判断气体缓冲罐中是否有液体，若出现需要关闭电源等待回流。电化学制氧机如果倾覆可能导致液泵空转，或者工作体系流出，需要及时关闭电堆电源并报警，加入加速度传感器，判断机器姿态，如果超过安全范围及时切断电堆电源。制氧机的膜两侧气体与液体如果压力差过大会导致气体直接进入液体或者液体渗出，所以需要在散热不足造成高温时及时关闭电源。
发明内容
(一)要解决的技术问题
基于上述问题，本公开提供了一种电化学制氧机控制系统，以缓解现有技术中电化学制氧机的电堆内部部件在高温下工作可能受损，所以需要在散热不足造成高温时及时关闭电源等技术问题。
(二)技术方案
本公开提供一种电化学制氧机控制系统，包括：
传感器单元，被配置用于监测制氧机各部件的工作状态得到多种监测数据；以及
控制板，被配置用于读取多种监测数据并进行分析得到状态数据，由此发出控制信号控制制氧机各部件的工作。
可选地，电化学制氧机控制系统，还包括Wi-Fi模块，被配置用于接收状态数据，并将状态数据发给服务器存入数据库。
可选地，电化学制氧机控制系统，还包括电源开关单元，电源开关单元包括：
电源开关，被配置用于控制制氧电堆电源的断开或闭合；
继电器开关，被配置用于控制电堆辅助部件电源的断开或闭合。
可选地，电源开关单元，被配置用于接受收开关断开控制信号，进而控制继电器开关和电源开关进行断开，以及接受收开关关闭控制信号，进而控制继电器开关和电源开关进行关闭，以保持电化学制氧机控制系统的安全工作。
可选地，传感器单元包括：
温度传感器，被配置用于得到制氧机的制氧电堆的温度监测数据；
加速度传感器，被配置用于得到制氧机的姿态监测数据；
气压传感器，被配置用于得到制氧机的气压监测数据；
氧气传感器，被配置用于得到制氧机的氧气浓度监测数据；
液位传感器，被配置用于得到制氧机的内部液体的液位监测数据。
可选地，控制板，能够对接收到的监测数据进行分析得到状态数据并将其输出，被配置用于在状态数据不在设定范围内发出开关断开控制信号，以及状态数据在设定范围内发出开关闭合控制信号。
可选地，制氧机包括：
风扇，被配置用于给的制氧机散热；
液泵，被配置用于给的制氧机供给电解液。
可选地，控制板能够通过闭环控制PID算法控制液泵供给电解液的压力。
可选地，闭环控制PID算法控制液泵的转速。
可选地，控制板是通过串口将状态数据传给Wi-Fi模块。
(三)有益效果
从上述技术方案可以看出，本公开一种电化学制氧机控制系统至少具有以下有益效果其中之一或其中一部分：
(1)实现实时调整泵的电压达到压力平衡，保证制氧机正常工作；
(2)实现多状态数据分析并及时关闭电堆，保证各制氧机部件安全运行；
(3)能够将数据上传至服务器以供查看，方便使用者查看状态；以及
(4)可实现电堆工作在合适的条件下发挥其静音高效的产氧功能。
附图说明
图1为本公开实施例电化学制氧机控制系统的TRD结构和原理示意图。
具体实施方式
本公开提供了一种电化学制氧机控制系统，所述电化学制氧机控制系统旨在控制电化学制氧机在安全的工作状态下工作。本系统通过在膜两侧加入压力传感器，通过调节制氧机液泵转速调整液体侧压力，保证正常工作。本系统可以将当前的工作状态通过Wi-Fi模块上传至服务器，通过网页端可以实时监控制氧机工作状态。
为使本公开的目的、技术方案和优点更加清楚明白，以下结合具体实施例，并参照附图，对本公开进一步详细说明。
在本公开实施例中，提供一种电化学制氧机控制系统，如图1所示，所述电化学制氧机控制系统，包括：控制板，通过电源供电，能够对接收到的监测数据进行分析得到状态数据并将其输出，被配置用于在所述状态数据不在设定范围内发出开关断开控制信号，以及所述状态数据在设定范围内发出开关闭合控制信号；传感器单元，被配置用于监测制氧机工作得到所述监测数据，并将所述监测数据传送给所述控制板；Wi-Fi模块，被配置用于接收所述状态数据，并将所述状态数据发给服务器存入数据库；电源开关单元，被配置用于接受收所述开关断开控制信号，进而控制制氧电堆电源和电堆辅助部件电源进行断开，以及接受收所述开关关闭控制信号，进而控制制氧电堆电源和电堆辅助部件电源进行关闭，以保持所述电化学制氧机控制系统的安全工作。
在本公开实施例中，所述的电化学制氧机控制系统，所述制氧机包括：
风扇，被配置用于给所述的制氧机散热；
液泵，被配置用于给所述的制氧机供给电解液。
进一步地，所述控制板能够通过闭环控制PID算法控制所述液泵的供电解液。
进一步地，所述闭环控制PID算法控制为所述液泵的转速。
在本公开实施例中，所述控制板是通过串口将所述状态数据传给Wi-Fi模块。
在本公开实施例中，所述控制板采用Arduino Uno开发板。在本公开实施例中，所述传感器单元包括：温度传感器，被配置用于得到所述制氧机的所述制氧电堆的温度监测数据；加速度传感器，被配置用于得到所述制氧机的姿态监测数据；气压传感器，被配置用于得到所述制氧机的气压监测数据；氧气传感器，被配置用于得到所述制氧机的氧气浓度监测数据；液位传感器，被配置用于得到所述制氧机的内部液体的液位监测数据。
在本公开实施例中，所述电源开关单元包括：电源开关，被配置用于控制所述制氧电堆电源的断开或闭合；继电器开关，被配置用于控制所述电堆辅助部件电源的断开或闭合。
具体地，在本公开实施例中，如图1所示，所述的电化学制氧机控制系统通过控制板通电启动，根据已有配置初始化各个传感器实例(设置相应针脚)，初始化完成进入正常工作，正常工作状态可以通过按钮启动电堆供电，也可以切换到根据氧气含量自动开启模式，每隔一段设定时间读取各个传感器读数，分析是否超出安全范围，并将数据通过串口发给Wi-Fi模块，Wi-Fi模块接受数据后通过内建的HTTP客户端将数据发给服务器，服务器将收到数据存入数据库，若网页端访问则调出数据发给网页。若各个传感器数据正常则进入下一个等待即下一个检测周期，若出现异常则控制系统进入异常状态。异常状态首先切断电堆工作，然后更频繁的检测传感器数据，直到传感器数据恢复正常，退出异常状态。为保证电堆膜两侧压力平衡，每隔设定时间，本控制系统会根据膜两侧压力传感器数据根据PID控制算法调整给液泵供电电压，
本控制系统使用的闭环控制算法为PID算法，测得气体侧压强值为给定值，液体侧压强为实际值，两者的差记为偏差。将偏差的比例(P)、积分(I)和微分(D)分别乘上相应系数并求和构成控制量，对受控对象(液泵的电压)进行控制。
至此，已经结合附图对本公开实施例进行了详细描述。需要说明的是，在附图或说明书正文中，未绘示或描述的实现方式，均为所属技术领域中普通技术人员所知的形式，并未进行详细说明。此外，上述对各元件和方法的定义并不仅限于实施例中提到的各种具体结构、形状或方式，本领域普通技术人员可对其进行简单地更改或替换。
依据以上描述，本领域技术人员应当对本公开一种电化学制氧机控制系统有了清楚的认识。
综上所述，本公开提供了一种电化学制氧机控制系统，该电化学制氧机控制系统能够实现实时调整泵的电压达到压力平衡，保证制氧机正常工作；实现多状态数据分析并及时关闭电堆，保证各制氧机部件安全运行；能够将数据上传至服务器以供查看，方便使用者查看状态；以及可实现电堆工作在合适的条件下发挥其静音高效的产氧功能。
以上所述本公开的具体实施方式，并不构成对本公开保护范围的限定。任何根据本公开的技术构思所作出的各种其他相应的改变与变形，均应包含在本公开权利要求的保护范围内。

Claims (10)

  1. 一种电化学制氧机控制系统，包括：
    传感器单元，被配置用于监测制氧机各部件的工作状态得到多种监测数据；以及
    控制板，被配置用于读取所述多种监测数据并进行分析得到状态数据，由此发出控制信号控制制氧机各部件的工作。
  2. 根据权利要求1所述的电化学制氧机控制系统，还包括Wi-Fi模块，被配置用于接收所述状态数据，并将所述状态数据发给服务器存入数据库。
  3. 根据权利要求1所述的电化学制氧机控制系统，还包括电源开关单元，所述电源开关单元包括：
    电源开关，被配置用于控制所述制氧电堆电源的断开或闭合；
    继电器开关，被配置用于控制所述电堆辅助部件电源的断开或闭合。
  4. 根据权利要求2所述的电化学制氧机控制系统，其中，所述电源开关单元，被配置用于接受收所述开关断开控制信号，进而控制所述继电器开关和所述电源开关进行断开，以及接受收所述开关关闭控制信号，进而控制所述继电器开关和所述电源开关进行关闭，以保持所述电化学制氧机控制系统的安全工作。
  5. 根据权利要求1所述的电化学制氧机控制系统，其中，所述传感器单元包括：
    温度传感器，被配置用于得到所述制氧机的所述制氧电堆的温度监测数据；
    加速度传感器，被配置用于得到所述制氧机的姿态监测数据；
    气压传感器，被配置用于得到所述制氧机的气压监测数据；
    氧气传感器，被配置用于得到所述制氧机的氧气浓度监测数据；
    液位传感器，被配置用于得到所述制氧机的内部液体的液位监测数据。
  6. 根据权利要求1所述的电化学制氧机控制系统，其中，所述控制板，能够对接收到的监测数据进行分析得到状态数据并将其输出，被配置用于在所述状态数据不在设定范围内发出开关断开控制信号，以及所述状态数据在设定范围内发出开关闭合控制信号。
  7. 根据权利要求1所述的电化学制氧机控制系统，其中，所述制氧机包括：
    风扇，被配置用于给所述的制氧机散热；
    液泵，被配置用于给所述的制氧机供给电解液。
  8. 根据权利要求7所述的电化学制氧机控制系统，其中，所述控制板能够通过闭环控制PID算法控制所述液泵供给电解液的压力。
  9. 根据权利要求8所述的电化学制氧机控制系统，其中，所述闭环控制PID算法控制所 述液泵的转速。
  10. 根据权利要求1所述的电化学制氧机控制系统，其中，所述控制板是通过串口将所述状态数据传给Wi-Fi模块。
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