CN117191104A - Automatic calibration method and device for chemical instrument - Google Patents
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Abstract
The embodiment of the specification provides an automatic calibration method and device for a chemical instrument, wherein the method comprises the following steps: responding to a check switch value instruction, and performing a liquid pollution discharge task to determine a first task execution result; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is completed, determining a calibration result. Determining a first task execution result by performing a liquid sewage discharge task in response to the check switch value instruction; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is finished, determining a calibration result, thereby reducing the consumption of human resources.
Description
Technical Field
The embodiment of the specification relates to the technical field of instruments, in particular to an automatic calibration method for a chemical instrument.
Background
pH meters have been widely used and further advanced since the 21 st century with the dramatic development of computer technology and automation technology. The modern chemical online analysis instrument not only adopts a digital circuit and a computer communication technology, but also can realize whole-course automation, and can transmit test data to a computer for processing, analysis and storage in real time, thereby greatly improving the production efficiency and the test precision.
In summary, the development of pH meters has undergone multiple stages from glass electrodes to solid state electrodes, from analog to digital circuits, from manual operation to automation, and so on. With the continuous development and application of technology, the pH meter has become an integral part of the chemical online analysis instrument, and the application range and the testing precision are also continuously expanded and improved.
The disadvantage of the chemical on-line instrument without an automatic calibration function is that: the accuracy and reliability of the instrument may be compromised. Because chemical online instruments need to run continuously for a long time in the industrial production process, the influence of environment, substances and the like can cause the change of the precision and the accuracy of the instruments. If the automatic calibration function is not available, the calibration and adjustment of the instrument need manual intervention, namely the instrument needs to be calibrated regularly to ensure the accuracy and consistency of the instrument data. If the instrument does not have an automatic calibration function, manual intervention and adjustment are needed when manual operation is needed, which consumes a great deal of time and manpower and material resources. Moreover, due to subjectivity and error of manual operation, non-uniformity and inaccuracy of calibration data may be caused, thereby affecting accuracy and reliability of measurement results. Chemical online instruments may suffer from data drift. Because of the deviation and error of the instrument, if calibration is not performed for a long time or is inaccurate, the data measured by the instrument may drift, i.e. the data does not conform to the actual situation. The data drift may cause deviation in control and adjustment in the production process, and at this time, if not found and corrected in time, production accidents or production efficiency reduction may be caused.
Therefore, the automatic calibration function of the chemical online instrument is important for realizing the automation and the intellectualization of the online monitoring, so that the manual intervention and the errors can be greatly reduced, the accuracy and the consistency of the test data are improved, and more reliable guarantee is provided for the industrial production. A better solution is needed.
Disclosure of Invention
In view of this, the present description embodiments provide a method for automatic calibration of a chemical meter. One or more embodiments of the present specification are also directed to an automatic calibration device for a chemical meter, a computing device, a computer-readable storage medium, and a computer program, which address the technical shortcomings of the prior art.
According to a first aspect of embodiments of the present disclosure, there is provided a method for automatically calibrating a chemical meter, including:
responding to a check switch value instruction, and performing a liquid pollution discharge task to determine a first task execution result;
under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of a second task;
under the condition that the execution result of the second task is completed, performing a second calibration task, and determining the execution result of a third task;
and determining a calibration result under the condition that the third task execution result is completed.
In one possible implementation manner, the performing the liquid drainage task to determine the first task execution result in response to the check switch value instruction includes:
closing the first electromagnetic valve in response to a check switch quantity instruction; wherein the first electromagnetic valve is positioned at the inlet of the flow cell;
opening a second electromagnetic valve, and closing the second electromagnetic valve and a third electromagnetic valve after a first set time; the second electromagnetic valve is positioned at the sewage outlet of the flow-through cell, and the third electromagnetic valve is positioned at the outlet of the flow-through cell;
and determining a first task execution result under the condition that the second electromagnetic valve and the third electromagnetic valve are closed.
In one possible implementation manner, the performing the first calibration task and determining the second task execution result when the first task execution result is completed includes:
opening a fourth electromagnetic valve under the condition that the execution result of the first task is completed; the fourth electromagnetic valve is positioned at the first calibration liquid inlet;
performing a first calibration task based on the calibration liquid flowing in through the first calibration liquid inlet, and closing the fourth electromagnetic valve;
opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time;
and under the condition that the second electromagnetic valve is closed, determining a second task execution result.
In one possible implementation manner, the performing the second calibration task and determining the third task execution result when the second task execution result is completed includes:
opening a fifth electromagnetic valve under the condition that the execution result of the second task is completed; the fifth electromagnetic valve is positioned at the second calibration liquid inlet;
performing a second calibration task based on the calibration liquid flowing in through the second calibration liquid inlet, and closing the fifth electromagnetic valve;
opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time;
and under the condition that the second electromagnetic valve is closed, determining a third task execution result.
In one possible implementation manner, after the calibration result is determined, the method further includes:
opening the first solenoid valve and the third solenoid valve.
In one possible implementation, the first set time is 20 seconds.
In one possible implementation, the second set time is 10 seconds.
According to a second aspect of embodiments of the present specification, there is provided an automatic calibration device for a chemical meter, comprising:
the command receiving module is configured to respond to the check switch value command and perform a liquid pollution discharge task to determine a first task execution result;
the first calibration module is configured to perform a first calibration task and determine a second task execution result when the first task execution result is completed;
the second calibration module is configured to perform a second calibration task and determine a third task execution result when the second task execution result is completed;
and the result determining module is configured to determine a calibration result when the third task execution result is completed.
According to a third aspect of embodiments of the present specification, there is provided a computing device comprising:
a memory and a processor;
the memory is used for storing computer executable instructions, and the processor is used for executing the computer executable instructions, and the computer executable instructions realize the steps of the automatic calibration method of the chemical instrument when being executed by the processor.
According to a fourth aspect of embodiments of the present specification, there is provided a computer readable storage medium storing computer executable instructions which, when executed by a processor, implement the steps of the chemical meter auto calibration method described above.
According to a fifth aspect of embodiments of the present specification, there is provided a computer program, wherein the computer program, when executed in a computer, causes the computer to perform the steps of the above-described automatic calibration method for a chemical meter.
The embodiment of the specification provides an automatic calibration method and device for a chemical instrument, wherein the method comprises the following steps: responding to a check switch value instruction, and performing a liquid pollution discharge task to determine a first task execution result; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is completed, determining a calibration result. Determining a first task execution result by performing a liquid sewage discharge task in response to the check switch value instruction; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is finished, determining the calibration result, reducing the consumption of human resources and improving the efficiency.
Drawings
FIG. 1 is a schematic view of a method for automatically calibrating a chemical meter according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of a method for automatic calibration of a chemical meter according to one embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a system for automatic calibration of a chemical meter according to one embodiment of the present disclosure;
FIG. 4 is a schematic structural view of an automatic calibration device for chemical meters according to an embodiment of the present disclosure;
FIG. 5 is a block diagram of a computing device provided in one embodiment of the present description.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present description. This description may be embodied in many other forms than described herein and similarly generalized by those skilled in the art to whom this disclosure pertains without departing from the spirit of the disclosure and, therefore, this disclosure is not limited by the specific implementations disclosed below.
The terminology used in the one or more embodiments of the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the one or more embodiments of the specification. As used in this specification, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used in one or more embodiments of the present specification refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that, although the terms first, second, etc. may be used in one or more embodiments of this specification to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first may also be referred to as a second, and similarly, a second may also be referred to as a first, without departing from the scope of one or more embodiments of the present description. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
In the present specification, a method for automatically calibrating a chemical meter is provided, and the present specification relates to an automatic calibration device for a chemical meter, a computing device, and a computer-readable storage medium, which are described in detail one by one in the following examples.
Referring to fig. 1, fig. 1 is a schematic view of a scenario of an automatic calibration method of a chemical meter according to an embodiment of the present disclosure.
In the application scenario of fig. 1, the computing device 101 may perform a liquid blowdown task in response to the check switch amount instruction to determine the first task execution result 102. The computing device 101 may then perform the first calibration task with the first task execution result 102 being complete, determining the second task execution result 103. Thereafter, the computing device 101 may perform the second calibration task and determine the third task execution result 104 if the second task execution result 103 is complete. Finally, the computing device 101 may determine a calibration result, as indicated by reference numeral 105, based on the flow information 104, in the event that the third task execution result 104 is complete.
The computing device 101 may be hardware or software. When the computing device 101 is hardware, it may be implemented as a distributed cluster of multiple servers or terminal devices, or as a single server or single terminal device. When the computing device 101 is embodied as software, it may be installed in the hardware devices listed above. It may be implemented as a plurality of software or software modules, for example, for providing distributed services, or as a single software or software module. The present invention is not particularly limited herein.
Referring to fig. 2, fig. 2 shows a flowchart of a method for automatically calibrating a chemical meter according to an embodiment of the present disclosure, which specifically includes the following steps.
Step 201: and responding to the check switch quantity instruction, and performing a liquid sewage discharge task to determine a first task execution result.
In one possible implementation, in response to the check switch command, performing the liquid blowdown task to determine a first task execution result includes: closing the first electromagnetic valve in response to a check switch quantity instruction; wherein the first electromagnetic valve is positioned at the inlet of the flow cell; opening the second electromagnetic valve, and closing the second electromagnetic valve and the third electromagnetic valve after the first set time; the second electromagnetic valve is positioned at the sewage outlet of the flow cell, and the third electromagnetic valve is positioned at the outlet of the flow cell; and determining a first task execution result under the condition that the second electromagnetic valve and the third electromagnetic valve are closed.
In practical application, referring to fig. 3, the control system gives a check switch quantity command, and after receiving the check switch quantity command, closes the inlet solenoid valve S3 of the flow cell to isolate the liquid to be tested. And opening a blowdown electromagnetic valve S5 to empty the liquid to be detected in the flow cell. And closing the blowdown electromagnetic valve S5 and the flow cell outlet electromagnetic valve S4 after 20S.
Step 202: and under the condition that the execution result of the first task is completed, performing the first calibration task, and determining the execution result of the second task.
In one possible implementation manner, if the first task execution result is completed, performing the first calibration task, and determining the second task execution result includes: opening the fourth electromagnetic valve under the condition that the execution result of the first task is completed; the fourth electromagnetic valve is positioned at the first calibration liquid inlet; performing a first calibration task based on the calibration liquid flowing in through the first calibration liquid inlet, and closing the fourth electromagnetic valve; opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time; and determining a second task execution result under the condition that the second electromagnetic valve is closed.
In practical application, referring to fig. 3, the inlet solenoid valve S1 of the calibration liquid 1 is opened, the calibration liquid flows into the flow cell under the influence of gravity, the first point calibration (the value is required to be set in advance) is performed inside the on-line instrument, the inlet solenoid valve S1 of the calibration liquid 1 is closed, the blowdown solenoid valve S5 is opened, the calibration liquid 1 is removed, and the blowdown solenoid valve S5 is closed after 10S.
Specifically, the above meter may be a pH meter.
Step 203: and under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task.
In one possible implementation manner, if the second task execution result is completed, performing the second calibration task, and determining the third task execution result includes: opening a fifth electromagnetic valve under the condition that the execution result of the second task is completed; the fifth electromagnetic valve is positioned at the second calibration liquid inlet; performing a second calibration task based on the calibration liquid flowing in through the second calibration liquid inlet, and closing the fifth electromagnetic valve; opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time; and determining a third task execution result under the condition that the second electromagnetic valve is closed.
In practical application, the electromagnetic valve S2 at the inlet of the calibration liquid 2 is opened, the calibration liquid flows into the flow cell under the influence of gravity, the second point calibration (the numerical value is required to be set in advance) is carried out in the on-line instrument, the electromagnetic valve S2 at the inlet of the calibration liquid 2 is closed, the sewage electromagnetic valve S5 is opened, the calibration liquid 2 is discharged, and the sewage electromagnetic valve S5 is closed after 10S.
Step 204: and under the condition that the execution result of the third task is completed, determining a calibration result.
In one possible implementation, after determining the calibration result, the method further includes: the first solenoid valve and the third solenoid valve are opened.
In practical application, after calibration is completed, the flow cell inlet solenoid valve S3 is opened, and the flow cell outlet solenoid valve S4 is opened.
Referring to fig. 3, the two calibration liquid storage tanks are provided with an air-facing device, and CaO and the like are filled in the air-facing device to remove moisture and carbon dioxide in the air.
Further, the control system may be based on PLC system control or DCS system control, which is not limited in this specification.
The embodiment of the specification provides an automatic calibration method and device for a chemical instrument, wherein the method comprises the following steps: responding to a check switch value instruction, and performing a liquid pollution discharge task to determine a first task execution result; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is completed, determining a calibration result. Determining a first task execution result by performing a liquid sewage discharge task in response to the check switch value instruction; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is finished, determining the calibration result, reducing the consumption of human resources and improving the efficiency.
Corresponding to the method embodiment, the present disclosure further provides an embodiment of an automatic calibration device for a chemical meter, and fig. 4 shows a schematic structural diagram of the automatic calibration device for a chemical meter according to one embodiment of the present disclosure. As shown in fig. 4, the apparatus includes:
an instruction receiving module 401 configured to perform a liquid sewage task to determine a first task execution result in response to the check switch value instruction;
the first calibration module 402 is configured to perform a first calibration task and determine a second task execution result if the first task execution result is complete;
the second calibration module 403 is configured to perform a second calibration task and determine a third task execution result if the second task execution result is completed;
the result determining module 404 is configured to determine a calibration result if the third task execution result is complete.
In one possible implementation, the instruction receiving module 401 is further configured to:
closing the first electromagnetic valve in response to a check switch quantity instruction; wherein the first electromagnetic valve is positioned at the inlet of the flow cell;
opening the second electromagnetic valve, and closing the second electromagnetic valve and the third electromagnetic valve after the first set time; the second electromagnetic valve is positioned at the sewage outlet of the flow cell, and the third electromagnetic valve is positioned at the outlet of the flow cell;
and determining a first task execution result under the condition that the second electromagnetic valve and the third electromagnetic valve are closed.
In one possible implementation, the first calibration module 402 is further configured to:
opening the fourth electromagnetic valve under the condition that the execution result of the first task is completed; the fourth electromagnetic valve is positioned at the first calibration liquid inlet;
performing a first calibration task based on the calibration liquid flowing in through the first calibration liquid inlet, and closing the fourth electromagnetic valve;
opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time;
and determining a second task execution result under the condition that the second electromagnetic valve is closed.
In one possible implementation, the second calibration module 403 is further configured to:
opening a fifth electromagnetic valve under the condition that the execution result of the second task is completed; the fifth electromagnetic valve is positioned at the second calibration liquid inlet;
performing a second calibration task based on the calibration liquid flowing in through the second calibration liquid inlet, and closing the fifth electromagnetic valve;
opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time;
and determining a third task execution result under the condition that the second electromagnetic valve is closed.
In one possible implementation, the result determination module 404 is further configured to:
the first solenoid valve and the third solenoid valve are opened.
In one possible implementation, the first set time is 20 seconds.
In one possible implementation, the second set time is 10 seconds.
The embodiment of the specification provides an automatic calibration method and device for a chemical instrument, wherein the device comprises the following steps: responding to a check switch value instruction, and performing a liquid pollution discharge task to determine a first task execution result; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is completed, determining a calibration result. Determining a first task execution result by performing a liquid sewage discharge task in response to the check switch value instruction; under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of the second task; under the condition that the execution result of the second task is completed, performing the second calibration task, and determining the execution result of the third task; and under the condition that the execution result of the third task is finished, determining the calibration result, reducing the consumption of human resources and improving the efficiency.
The above is a schematic scheme of an automatic calibration device for a chemical meter in this embodiment. It should be noted that, the technical solution of the automatic calibration device for chemical meters and the technical solution of the automatic calibration method for chemical meters belong to the same concept, and the details of the technical solution of the automatic calibration device for chemical meters, which are not described in detail, can be referred to the description of the technical solution of the automatic calibration method for chemical meters.
Fig. 5 illustrates a block diagram of a computing device 500 provided in accordance with one embodiment of the present description. The components of the computing device 500 include, but are not limited to, a memory 510 and a processor 520. Processor 520 is coupled to memory 510 via bus 530 and database 550 is used to hold data.
Computing device 500 also includes access device 540, access device 540 enabling computing device 500 to communicate via one or more networks 560. Examples of such networks include public switched telephone networks (PSTN, public Switched TelepHone Network), local area networks (LAN, local Area Network), wide area networks (WAN, wide Area Network), personal area networks (PAN, personal Area Network), or combinations of communication networks such as the internet. The access device 540 may include one or more of any type of network interface, wired or wireless (e.g., network interface card (NIC, network interface controller)), such as an IEEE802.11 wireless local area network (WLAN, wireless Local Area Network) wireless interface, a worldwide interoperability for microwave access (Wi-MAX, worldwide Interoperability for Microwave Access) interface, an ethernet interface, a universal serial bus (USB, universal Serial Bus) interface, a cellular network interface, a bluetooth interface, near field communication (NFC, near Field Communication).
In one embodiment of the present description, the above-described components of computing device 500, as well as other components not shown in FIG. 5, may also be connected to each other, such as by a bus. It should be understood that the block diagram of the computing device shown in FIG. 5 is for exemplary purposes only and is not intended to limit the scope of the present description. Those skilled in the art may add or replace other components as desired.
Computing device 500 may be any type of stationary or mobile computing device, including a mobile computer or mobile computing device (e.g., tablet, personal digital assistant, laptop, notebook, netbook, etc.), mobile phone (e.g., smart phone), wearable computing device (e.g., smart watch, smart glasses, etc.), or other type of mobile device, or a stationary computing device such as a desktop computer or personal computer (PC, personal Computer). Computing device 500 may also be a mobile or stationary server.
The processor 520 is configured to execute computer-executable instructions that, when executed by the processor, implement the steps of the method for automatically calibrating a chemical meter described above. The foregoing is a schematic illustration of a computing device of this embodiment. It should be noted that, the technical solution of the computing device and the technical solution of the automatic calibration method of the chemical instrument belong to the same concept, and details of the technical solution of the computing device, which are not described in detail, can be referred to the description of the technical solution of the automatic calibration method of the chemical instrument.
An embodiment of the present disclosure also provides a computer-readable storage medium storing computer-executable instructions that, when executed by a processor, implement the steps of the method for automatically calibrating a chemical meter described above.
The above is an exemplary version of a computer-readable storage medium of the present embodiment. It should be noted that, the technical solution of the storage medium and the technical solution of the automatic calibration method of the chemical instrument belong to the same concept, and details of the technical solution of the storage medium which are not described in detail can be referred to the description of the technical solution of the automatic calibration method of the chemical instrument.
An embodiment of the present disclosure further provides a computer program, where the computer program when executed in a computer causes the computer to perform the steps of the method for automatic calibration of a chemical meter.
The above is an exemplary version of a computer program of the present embodiment. It should be noted that, the technical solution of the computer program and the technical solution of the automatic calibration method of the chemical instrument belong to the same conception, and the details of the technical solution of the computer program which are not described in detail can be referred to the description of the technical solution of the automatic calibration method of the chemical instrument.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The computer instructions include computer program code that may be in source code form, object code form, executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals.
It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of combinations of actions, but it should be understood by those skilled in the art that the embodiments are not limited by the order of actions described, as some steps may be performed in other order or simultaneously according to the embodiments of the present disclosure. Further, those skilled in the art will appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily all required for the embodiments described in the specification.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
The preferred embodiments of the present specification disclosed above are merely used to help clarify the present specification. Alternative embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the teaching of the embodiments. The embodiments were chosen and described in order to best explain the principles of the embodiments and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. This specification is to be limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. An automatic calibration method for a chemical instrument is characterized by comprising the following steps:
responding to a check switch value instruction, and performing a liquid pollution discharge task to determine a first task execution result;
under the condition that the execution result of the first task is completed, performing a first calibration task, and determining the execution result of a second task;
under the condition that the execution result of the second task is completed, performing a second calibration task, and determining the execution result of a third task;
and determining a calibration result under the condition that the third task execution result is completed.
2. The method of claim 1, wherein performing the liquid blowdown task to determine the first task execution result in response to the check switch command comprises:
closing the first electromagnetic valve in response to a check switch quantity instruction; wherein the first electromagnetic valve is positioned at the inlet of the flow cell;
opening a second electromagnetic valve, and closing the second electromagnetic valve and a third electromagnetic valve after a first set time; the second electromagnetic valve is positioned at the sewage outlet of the flow-through cell, and the third electromagnetic valve is positioned at the outlet of the flow-through cell;
and determining a first task execution result under the condition that the second electromagnetic valve and the third electromagnetic valve are closed.
3. The method according to claim 2, wherein performing the first calibration task and determining the second task execution result when the first task execution result is completed, comprises:
opening a fourth electromagnetic valve under the condition that the execution result of the first task is completed; the fourth electromagnetic valve is positioned at the first calibration liquid inlet;
performing a first calibration task based on the calibration liquid flowing in through the first calibration liquid inlet, and closing the fourth electromagnetic valve;
opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time;
and under the condition that the second electromagnetic valve is closed, determining a second task execution result.
4. A method according to claim 3, wherein, in the case that the second task execution result is completed, performing a second calibration task, and determining a third task execution result includes:
opening a fifth electromagnetic valve under the condition that the execution result of the second task is completed; the fifth electromagnetic valve is positioned at the second calibration liquid inlet;
performing a second calibration task based on the calibration liquid flowing in through the second calibration liquid inlet, and closing the fifth electromagnetic valve;
opening the second electromagnetic valve, and closing the second electromagnetic valve after a second set time;
and under the condition that the second electromagnetic valve is closed, determining a third task execution result.
5. The method of claim 4, further comprising, after said determining the calibration result:
opening the first solenoid valve and the third solenoid valve.
6. The method of claim 5, wherein the first set time is 20 seconds.
7. The method of claim 5, wherein the second set time is 10 seconds.
8. An automatic calibration device for a chemical meter, comprising:
the command receiving module is configured to respond to the check switch value command and perform a liquid pollution discharge task to determine a first task execution result;
the first calibration module is configured to perform a first calibration task and determine a second task execution result when the first task execution result is completed;
the second calibration module is configured to perform a second calibration task and determine a third task execution result when the second task execution result is completed;
and the result determining module is configured to determine a calibration result when the third task execution result is completed.
9. A computing device, comprising:
a memory and a processor;
the memory is configured to store computer executable instructions that, when executed by the processor, implement the steps of the method for automatic calibration of a chemical meter of any one of claims 1 to 7.
10. A computer readable storage medium storing computer executable instructions which when executed by a processor perform the steps of the chemical meter auto calibration method of any one of claims 1 to 7.
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