CN114653162B - Interactive program relay control method for oxygen production process of oxygen production equipment - Google Patents
Interactive program relay control method for oxygen production process of oxygen production equipment Download PDFInfo
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000001301 oxygen Substances 0.000 title claims abstract description 58
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 230000002452 interceptive effect Effects 0.000 title claims abstract description 10
- 230000003993 interaction Effects 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims description 51
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 46
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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Abstract
Description
技术领域Technical field
本发明涉及自动控制技术领域，具体是制氧设备产氧工艺的交互式程序中继控制方法。The invention relates to the technical field of automatic control, specifically to an interactive program relay control method for the oxygen production process of oxygen production equipment.
背景技术Background technique
变压吸附式制氧设备实际运行中可能遇到多种情形：1，海拔变化导致按原有预设的进气、排气、平衡运行时间无法达到原有制氧效果；2，分子筛效率的下降造成按原有预设的进气、排气、平衡运行时间无法达到原有制氧效果；3，空气压缩机效率的下降造成按原有预设的进气、排气、平衡运行时间无法达到原有制氧效果。Pressure swing adsorption oxygen generation equipment may encounter various situations in actual operation: 1. Altitude changes cause the original oxygen generation effect to be unable to be achieved according to the original preset air intake, exhaust, and balance operating times; 2. Changes in molecular sieve efficiency The decrease causes the original oxygen production effect to be unable to be achieved according to the original preset air intake, exhaust, and balance operating times; 3. The decrease in air compressor efficiency causes the original preset air intake, exhaust, and balance operation times to be unable to achieve the original oxygen production effect. Reach the original oxygen production effect.
为修正变压吸附是制氧设备的产氧效果，须对按原有预设的进气、排气、平衡运行时间进行调整。按照现有的技术，必须对PLC或控制器进行程序修改，这需要专业的PLC编程人员操作，进入控制程序的底层，寻找到对应指令，对运行时间进行数位进制换算后，逐条调整。In order to correct the oxygen production effect of pressure swing adsorption oxygen generating equipment, the original preset air intake, exhaust, and balance operating times must be adjusted. According to the existing technology, the program of the PLC or controller must be modified, which requires professional PLC programmers to enter the bottom layer of the control program, find the corresponding instructions, convert the running time into a digital system, and then adjust it one by one.
这种方式无法满足运行管理人员和维修维保人员对设备的及时调整，从而影响产氧效果的及时校正。尤其是紧急救援用的制氧设备，现有技术导致工艺步骤的固化也使得制氧系统在更换环境时，例如从平原到高原，无法快速调整工艺步骤适应环境。This method cannot meet the needs of operation managers and maintenance personnel to make timely adjustments to the equipment, thus affecting the timely correction of the oxygen production effect. Especially for oxygen generation equipment used in emergency rescue, the existing technology leads to the solidification of process steps and makes it impossible for the oxygen generation system to quickly adjust the process steps to adapt to the environment when the environment is changed, such as from plains to plateaus.
发明内容Contents of the invention
本发明的目的在于提供制氧设备产氧工艺的交互式程序中继控制方法，以解决上述背景技术中提出的问题。The purpose of the present invention is to provide an interactive program relay control method for the oxygen production process of oxygen production equipment, so as to solve the problems raised in the above background technology.
为实现上述目的，本发明提供如下技术方案：制氧设备产氧工艺的交互式程序中继控制方法，所述制氧设备包括：第一吸附塔、第二吸附塔、除尘过滤器、氧气缓冲装置、PLC控制器和计算机，所述第一吸附塔和第二吸附塔的顶端均通过密封管道连接有单向阀，两个所述单向阀的分别远离第一吸附塔和第二吸附塔的一端均通过密封管道与除尘过滤器连接，所述第一吸附塔顶端的密封管道连接有平衡气动阀，所述平衡气动阀远离第一吸附塔的一端通过密封管道与第二吸附塔连接，所述除尘过滤器远离单向阀的一端通过密封管道与氧气缓冲装置连接，所述氧气缓冲装置远离除尘过滤器的一端通过密封管道连接有电动阀，所述第一吸附塔远离单向阀的一端通过密封管道连接有第一进气气动阀，所述第一进气气动阀远离第一吸附塔的一端通过密封管道分别连接有调压阀和第二进气气动阀连接，所述第一进气气动阀靠近第一吸附塔的一端通过密封管道连接有第一排氮气动阀，所述第二吸附塔远离单向阀的一端通过密封管道与第二进气气动阀连接，所述第二进气气动阀靠近第二吸附塔的一端通过密封管道连接有消声器，所述第一排氮气动阀远离第一进气气动阀的一端通过密封管道与消声器连接，所述PLC控制器分别与平衡气动阀、第二排氮气动阀、第一排氮气动阀、第一进气气动阀和第二进气气动阀的控制端信号连接，所述PLC控制器上设置信号连接器，所述PLC控制器与信号连接器之间信号连接，所述PLC控制器与信号连接器之间的信号线路上设置中继器，所述信号连接器与计算机的信号输出端信号连接；所述交互式程序中继控制方法包括：In order to achieve the above object, the present invention provides the following technical solution: an interactive program relay control method for the oxygen production process of oxygen production equipment. The oxygen production equipment includes: a first adsorption tower, a second adsorption tower, a dust filter, and an oxygen buffer. device, PLC controller and computer, the tops of the first adsorption tower and the second adsorption tower are connected with one-way valves through sealed pipelines, and the two one-way valves are far away from the first adsorption tower and the second adsorption tower respectively. One end of the first adsorption tower is connected to the dust filter through a sealed pipe. The sealed pipe at the top of the first adsorption tower is connected to a balanced pneumatic valve. The end of the balanced pneumatic valve away from the first adsorption tower is connected to the second adsorption tower through a sealed pipe. One end of the dust filter away from the one-way valve is connected to an oxygen buffer device through a sealed pipe. One end of the oxygen buffer device away from the dust filter is connected to an electric valve through a sealed pipe. The first adsorption tower is away from the one-way valve. One end is connected to a first air inlet pneumatic valve through a sealed pipe, and one end of the first air inlet pneumatic valve away from the first adsorption tower is connected to a pressure regulating valve and a second air inlet pneumatic valve through a sealed pipe. The end of the air inlet pneumatic valve close to the first adsorption tower is connected to the first nitrogen discharge pneumatic valve through a sealed pipe, and the end of the second adsorption tower away from the one-way valve is connected to the second air inlet pneumatic valve through a sealed pipe. The end of the second air inlet pneumatic valve close to the second adsorption tower is connected to a muffler through a sealed pipe. The end of the first nitrogen discharge pneumatic valve away from the first air inlet pneumatic valve is connected to the muffler through a sealed pipe. The PLC controller is respectively connected with the muffler. The control end signals of the balance pneumatic valve, the second nitrogen row pneumatic valve, the first nitrogen pneumatic valve, the first air intake pneumatic valve and the second air intake pneumatic valve are connected. A signal connector is provided on the PLC controller. There is a signal connection between the PLC controller and the signal connector, a repeater is provided on the signal line between the PLC controller and the signal connector, and the signal connector is signally connected to the signal output end of the computer; the interactive Program relay control methods include:
S100，将工艺步骤可控制程序拆分为三个部分；S100, split the controllable program of process steps into three parts;
S200，通过转化命令将控制步骤转化并存入断电保持型寄存器中；S200, convert the control steps through the conversion command and store them in the power-off holding register;
S300，建立人工交互界面，输入控制命令；S300, establish a manual interaction interface and input control commands;
S400，建立步骤实施层与界面层的信号连接。S400: Establish a signal connection between the step implementation layer and the interface layer.
作为本发明进一步的方案：所述PLC控制器上设置有断电保持型寄存器，所述PLC控制器与断电保持型寄存器的信号输入端设置BIN指令，所述PLC控制器与断电保持型寄存器的信号输出端设置BCD指令，通过断电保持型寄存器进行步骤数、步骤动作、步骤执行时间及人机交互界面输入的控制图形符号的存储，同时通过BIN及BCD指令完成二进制和十进制的转换。As a further solution of the present invention: the PLC controller is provided with a power-off retention type register, the signal input end of the PLC controller and the power-off retention type register is provided with a BIN instruction, the PLC controller and the power-off retention type register The BCD instruction is set at the signal output end of the register. The number of steps, step actions, step execution time and control graphic symbols input by the human-computer interaction interface are stored through the power-off retention register. At the same time, the conversion between binary and decimal is completed through the BIN and BCD instructions. .
作为本发明再进一步的方案：所述步骤S100中，通过修改PLC控制程序，将原本固定式输出工艺步骤控制程序拆分为三部分，分别是步骤数，步骤动作，步骤执行时间，其中步骤数作为逻辑执行顺序，步骤动作作为逻辑执行命令，步骤执行时间作为步骤执行时间限制，将工艺步骤进行拆分后，可通过PLC控制器对任意一控制阀门进行过步骤数、步骤动作和步骤执行时间的分布直接控制，进而可根据实际情况对制氧设备上的任意一阀门输出控制。As a further solution of the present invention: in step S100, by modifying the PLC control program, the original fixed output process step control program is split into three parts, namely the number of steps, step actions, and step execution time, where the number of steps As a logical execution sequence, step actions are used as logical execution commands, and step execution time is used as a step execution time limit. After splitting the process steps, the number of steps, step actions, and step execution time can be calculated for any control valve through the PLC controller. The distribution is directly controlled, and any valve output on the oxygen generating equipment can be controlled according to the actual situation.
作为本发明再进一步的方案：所述步骤S200中，通过中继器及BIN和BCD指令，将每一步动作步骤都将转换为二进制数后储存在PLC的断电保持型寄存器中，步骤执行时间则作为无符号整数储存在PLC的断电保持寄存器中，通过BIN和BCD指令将复杂的编程程序转化为图形编程，并通过人机交互界面进行呈现。As a further solution of the present invention: in the step S200, through the repeater and BIN and BCD instructions, each action step will be converted into a binary number and then stored in the power-off holding register of the PLC. The step execution time It is stored in the power-off holding register of the PLC as an unsigned integer. The complex programming program is converted into graphic programming through BIN and BCD instructions, and presented through the human-computer interaction interface.
作为本发明再进一步的方案：所述步骤S300中，通过PLC控制器和计算机之间的信号连接，建立可视化人机交互界面，其中，人机交互界面的图形符号通过BIN指令转化为二进制，并通过通讯协议写入断电保持型寄存器中，通过建立人机交互界面并对转化后的图形编程进行展示，使工作人员能快速掌握调整制氧机工作的工艺步骤，能很好地提升制氧设备的调试测试效率。As a further solution of the present invention: in step S300, a visual human-computer interaction interface is established through the signal connection between the PLC controller and the computer, in which the graphical symbols of the human-computer interaction interface are converted into binary through BIN instructions, and Through the communication protocol, it is written into the power-off retentive register, and by establishing a human-computer interaction interface and displaying the converted graphical programming, the staff can quickly master the process steps of adjusting the work of the oxygen generator, which can greatly improve the oxygen production. Equipment debugging and testing efficiency.
作为本发明再进一步的方案：所述步骤S400中，通过PLC控制器与平衡气动阀、第二排氮气动阀、第一排氮气动阀、第一进气气动阀和第二进气气动阀的控制端信号连接，建立执行层与人机交互界面的直接联系，同时，通过通讯完成位建立PLC底层程序对人机交互界面的主动数据探查机制，通过建立执行程序与人机交互界面的主动数据探查机制，缩减修改程序的时间。As a further solution of the present invention: in the step S400, through the PLC controller and the balance pneumatic valve, the second nitrogen row pneumatic valve, the first nitrogen row pneumatic valve, the first air intake pneumatic valve and the second air intake pneumatic valve The control end signal connection establishes a direct connection between the execution layer and the human-computer interaction interface. At the same time, the active data exploration mechanism of the PLC underlying program on the human-computer interaction interface is established through the communication completion bit. By establishing an active data exploration mechanism between the execution program and the human-computer interaction interface, Data exploration mechanism reduces the time of modifying programs.
与现有技术相比，本发明的有益效果是：本发明中，通过第一吸附塔、第二吸附塔、除尘过滤器和氧气缓冲装置等进行制氧，通过PLC控制器与多个控制阀建立直接连接，和将工艺步骤进行拆分，并通过人机交互界面及转换指令，可通过图形输入快速更改制氧设备工艺步骤中任意一步的阀门输出控制，对阀门的步骤数、步骤动作及步骤执行时间进行拆分控制，通过转化指令，将复杂的PLC或控制器编程转化为图形编程呈现在人机交互界面上，使技术、调试和维保人员都能快速掌握调整制氧机工作的工艺步骤，能很好地提升制氧设备的调试测试效率，以及能降低后期制氧设备的工艺步骤程序修改成本，同时降低了技术、调试和维保人员调整设备程序的门槛，本技术令现有制氧系统更具场景适应性、环境友好性，功能性更多样化，工艺流程修改更便捷。Compared with the prior art, the beneficial effects of the present invention are: in the present invention, oxygen is produced through the first adsorption tower, the second adsorption tower, the dust filter, the oxygen buffer device, etc., and the PLC controller and multiple control valves are used to generate oxygen. Establish a direct connection, split the process steps, and through the human-computer interaction interface and conversion instructions, you can quickly change the valve output control of any step in the process steps of the oxygen production equipment through graphical input, and control the number of steps, step actions and The step execution time is split and controlled. By converting instructions, complex PLC or controller programming is converted into graphical programming and presented on the human-computer interaction interface, so that technical, debugging and maintenance personnel can quickly master the adjustment of the oxygen concentrator. The process steps can greatly improve the efficiency of debugging and testing of oxygen-generating equipment, and can reduce the cost of modifying the process steps and procedures of oxygen-generating equipment in the later stage. At the same time, it also lowers the threshold for technical, debugging and maintenance personnel to adjust equipment procedures. This technology makes it possible to The oxygen generation system is more scene adaptable, environmentally friendly, has more diversified functions, and makes it easier to modify the process flow.
附图说明Description of the drawings
图1为本发明的流程结构示意图；Figure 1 is a schematic flow structure diagram of the present invention;
图2为本发明中制氧设备的结构示意图。Figure 2 is a schematic structural diagram of the oxygen generating equipment in the present invention.
图中：1、第一吸附塔；2、第二吸附塔；3、除尘过滤器；4、氧气缓冲装置；5、单向阀；6、电动阀；7、消声器；8、第一进气气动阀；9、调压阀；10、PLC控制器；11、信号连接器；12、计算机；13、第一排氮气动阀；14、第二进气气动阀；15、第二排氮气动阀；16、平衡气动阀。In the picture: 1. First adsorption tower; 2. Second adsorption tower; 3. Dust filter; 4. Oxygen buffer device; 5. One-way valve; 6. Electric valve; 7. Muffler; 8. First air inlet Pneumatic valve; 9. Pressure regulating valve; 10. PLC controller; 11. Signal connector; 12. Computer; 13. First row of nitrogen pneumatic valve; 14. Second row of nitrogen pneumatic valve; 15. Second row of nitrogen pneumatic valve Valve; 16. Balanced pneumatic valve.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.
请参阅图1～2，本发明实施例中，制氧设备产氧工艺的交互式程序中继控制方法，制氧设备包括：第一吸附塔1、第二吸附塔2、除尘过滤器3、氧气缓冲装置4、PLC控制器10和计算机12，第一吸附塔1和第二吸附塔2的顶端均通过密封管道连接有单向阀5，两个单向阀5的分别远离第一吸附塔1和第二吸附塔2的一端均通过密封管道与除尘过滤器3连接，第一吸附塔1顶端的密封管道连接有平衡气动阀16，平衡气动阀16远离第一吸附塔1的一端通过密封管道与第二吸附塔2连接，除尘过滤器3远离单向阀5的一端通过密封管道与氧气缓冲装置4连接，氧气缓冲装置4远离除尘过滤器3的一端通过密封管道连接有电动阀6，第一吸附塔1远离单向阀5的一端通过密封管道连接有第一进气气动阀8，第一进气气动阀8远离第一吸附塔1的一端通过密封管道分别连接有调压阀9和第二进气气动阀14连接，第一进气气动阀8靠近第一吸附塔1的一端通过密封管道连接有第一排氮气动阀13，第二吸附塔2远离单向阀5的一端通过密封管道与第二进气气动阀14连接，第二进气气动阀14靠近第二吸附塔2的一端通过密封管道连接有消声器7，第一排氮气动阀13远离第一进气气动阀8的一端通过密封管道与消声器7连接，PLC控制器10分别与平衡气动阀16、第二排氮气动阀15、第一排氮气动阀13、第一进气气动阀8和第二进气气动阀14的控制端信号连接，PLC控制器10上设置信号连接器11，PLC控制器10与信号连接器11之间信号连接，PLC控制器10与信号连接器11之间的信号线路上设置中继器，信号连接器11与计算机12的信号输出端信号连接；交互式程序中继控制方法包括：Please refer to Figures 1 to 2. In the embodiment of the present invention, an interactive program relay control method for the oxygen production process of the oxygen production equipment includes: a first adsorption tower 1, a second adsorption tower 2, a dust filter 3, The oxygen buffer device 4, PLC controller 10 and computer 12, the tops of the first adsorption tower 1 and the second adsorption tower 2 are all connected with one-way valves 5 through sealed pipelines, and the two one-way valves 5 are respectively away from the first adsorption tower. 1 and one end of the second adsorption tower 2 are connected to the dust filter 3 through a sealed pipe. The sealed pipe at the top of the first adsorption tower 1 is connected to a balance pneumatic valve 16. The end of the balance pneumatic valve 16 away from the first adsorption tower 1 is sealed The pipeline is connected to the second adsorption tower 2. The end of the dust filter 3 away from the one-way valve 5 is connected to the oxygen buffer device 4 through a sealed pipe. The end of the oxygen buffer device 4 away from the dust filter 3 is connected to an electric valve 6 through a sealed pipe. The end of the first adsorption tower 1 away from the one-way valve 5 is connected to a first air inlet pneumatic valve 8 through a sealed pipe, and the end of the first air inlet pneumatic valve 8 away from the first adsorption tower 1 is connected to a pressure regulating valve 9 through a sealed pipe. It is connected to the second air inlet pneumatic valve 14. The end of the first air inlet pneumatic valve 8 close to the first adsorption tower 1 is connected to the first nitrogen discharge pneumatic valve 13 through a sealed pipeline. The end of the second adsorption tower 2 away from the one-way valve 5 It is connected to the second air inlet pneumatic valve 14 through a sealed pipe. One end of the second air inlet pneumatic valve 14 close to the second adsorption tower 2 is connected to a muffler 7 through a sealed pipe. The first nitrogen discharge pneumatic valve 13 is far away from the first air inlet pneumatic valve. One end of 8 is connected to the muffler 7 through a sealed pipe, and the PLC controller 10 is respectively connected to the balance pneumatic valve 16, the second row nitrogen pneumatic valve 15, the first row nitrogen pneumatic valve 13, the first air intake pneumatic valve 8 and the second air intake pneumatic valve 16. The control end of the pneumatic valve 14 is connected with a signal. A signal connector 11 is provided on the PLC controller 10. A signal connection is made between the PLC controller 10 and the signal connector 11. A signal line between the PLC controller 10 and the signal connector 11 is provided. Repeater, the signal connector 11 is connected to the signal output end of the computer 12; the interactive program relay control method includes:
S100，将工艺步骤可控制程序拆分为三个部分；S100, split the controllable program of process steps into three parts;
S200，通过转化命令将控制步骤转化并存入断电保持型寄存器中；S200, convert the control steps through the conversion command and store them in the power-off holding register;
S300，建立人工交互界面，输入控制命令；S300, establish a manual interaction interface and input control commands;
S400，建立步骤实施层与界面层的信号连接。S400: Establish a signal connection between the step implementation layer and the interface layer.
其中，PLC控制器10上设置有断电保持型寄存器，PLC控制器10与断电保持型寄存器的信号输入端设置BIN指令，PLC控制器10与断电保持型寄存器的信号输出端设置BCD指令，通过断电保持型寄存器进行步骤数、步骤动作、步骤执行时间及人机交互界面输入的控制图形符号的存储，同时通过BIN及BCD指令完成二进制和十进制的转换。Among them, the PLC controller 10 is provided with a power-off retentive register, the signal input end of the PLC controller 10 and the power-off retentive register is set with a BIN instruction, and the signal output end of the PLC controller 10 and the power-off retentive register is set with a BCD instruction. , the number of steps, step actions, step execution time and control graphic symbols input by the human-computer interaction interface are stored through power-off retention registers, and binary and decimal conversion is completed through BIN and BCD instructions.
步骤S100中，通过修改PLC控制程序，将原本固定式输出工艺步骤控制程序拆分为三部分，分别是步骤数，步骤动作，步骤执行时间，其中步骤数作为逻辑执行顺序，步骤动作作为逻辑执行命令，步骤执行时间作为步骤执行时间限制，将工艺步骤进行拆分后，可通过PLC控制器10对任意一控制阀门进行过步骤数、步骤动作和步骤执行时间的分布直接控制，进而可根据实际情况对制氧设备上的任意一阀门输出控制。In step S100, by modifying the PLC control program, the original fixed output process step control program is split into three parts, namely the number of steps, step actions, and step execution time, where the number of steps is used as the logical execution sequence, and the step actions are used as the logical execution. command, the step execution time is used as the step execution time limit. After the process steps are split, the distribution of the number of steps, step actions and step execution time can be directly controlled on any control valve through the PLC controller 10, and then the distribution of the step number, step action and step execution time can be directly controlled according to the actual situation. The situation controls the output of any valve on the oxygen generating equipment.
步骤S200中，通过中继器及BIN和BCD指令，将每一步动作步骤都将转换为二进制数后储存在PLC的断电保持型寄存器中，步骤执行时间则作为无符号整数储存在PLC的断电保持寄存器中，通过BIN和BCD指令将复杂的编程程序转化为图形编程，并通过人机交互界面进行呈现。In step S200, through the repeater and BIN and BCD instructions, each action step is converted into a binary number and stored in the power-off holding register of the PLC. The step execution time is stored in the power-off holding register of the PLC as an unsigned integer. In the electrical holding register, the complex programming program is converted into graphical programming through BIN and BCD instructions, and presented through the human-computer interaction interface.
步骤S300中，通过PLC控制器10和计算机12之间的信号连接，建立可视化人机交互界面，其中，人机交互界面的图形符号通过BIN指令转化为二进制，并通过通讯协议写入断电保持型寄存器中，通过建立人机交互界面并对转化后的图形编程进行展示，使工作人员能快速掌握调整制氧机工作的工艺步骤，能很好地提升制氧设备的调试测试效率。In step S300, a visual human-computer interaction interface is established through the signal connection between the PLC controller 10 and the computer 12. The graphical symbols of the human-computer interaction interface are converted into binary through BIN instructions and written into the power-off hold through the communication protocol. In the type register, by establishing a human-computer interaction interface and displaying the converted graphical programming, the staff can quickly master the process steps of adjusting the oxygen generator, which can greatly improve the debugging and testing efficiency of the oxygen generator.
步骤S400中，通过PLC控制器10与平衡气动阀16、第二排氮气动阀15、第一排氮气动阀13、第一进气气动阀8和第二进气气动阀14的控制端信号连接，建立执行层与人机交互界面的直接联系，同时，通过通讯完成位建立PLC底层程序对人机交互界面的主动数据探查机制，通过建立执行程序与人机交互界面的主动数据探查机制，缩减修改程序的时间。In step S400, the control end signals of the PLC controller 10 and the balance pneumatic valve 16, the second nitrogen row pneumatic valve 15, the first nitrogen row pneumatic valve 13, the first air intake pneumatic valve 8 and the second air intake pneumatic valve 14 are Connection establishes a direct connection between the execution layer and the human-computer interaction interface. At the same time, through the communication completion bit, an active data exploration mechanism of the PLC underlying program on the human-computer interaction interface is established. By establishing an active data exploration mechanism between the execution program and the human-computer interaction interface, Reduce program modification time.
本发明的工作原理是：在本发明中，通过第一吸附塔1、第二吸附塔2、除尘过滤器3、氧气缓冲装置4等零部件配合使用，进行制氧工作，在制氧装置因外部环境影响无法完整工作，需要更换控制指令时，通过人机交互界面输入图形编程程序，进而通过BIN转换指令，将输入控制程序转化为二进制数后存储到PLC断电保持型寄存器中，进而通过PLC控制器10与平衡气动阀16、第二排氮气动阀15、第一排氮气动阀13、第一进气气动阀8和第二进气气动阀14控制端之间的信号连接，对上述控制阀的步骤数、步骤动作及步骤执行时间进行单独控制，可对任意一阀门进行任意动作步骤执行数、步骤执行动作和执行时间进行单独控制，同时可对多个阀门进行统一控制，进而达到控制制氧设备进行完整制氧工序的目的。The working principle of the present invention is: in the present invention, the first adsorption tower 1, the second adsorption tower 2, the dust filter 3, the oxygen buffer device 4 and other components are used together to perform the oxygen production work. The external environment affects the ability to work completely, and when the control instructions need to be replaced, the graphical programming program is input through the human-computer interaction interface, and then the input control program is converted into binary numbers through BIN conversion instructions and stored in the PLC power-off retention register. The signal connection between the PLC controller 10 and the control end of the balance pneumatic valve 16, the second nitrogen discharge pneumatic valve 15, the first nitrogen discharge pneumatic valve 13, the first air intake pneumatic valve 8 and the second air intake pneumatic valve 14 is for The number of steps, step actions and step execution time of the above-mentioned control valves are individually controlled. The number of steps, step actions and execution time of any action can be independently controlled on any valve. Multiple valves can be controlled in a unified manner at the same time. Achieve the purpose of controlling the oxygen production equipment to carry out the complete oxygen production process.
需要说明的时，本提交文件中设计到的制氧设备及制氧原理为本行业所公知，在此不做特殊说明。If any explanation is needed, the oxygen generation equipment and oxygen generation principles designed in this submitted document are well known in the industry and will not be specially explained here.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed in the present invention, implement the technical solutions of the present invention. Equivalent substitutions or changes of the inventive concept thereof shall be included in the protection scope of the present invention.
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