CN114740151A - Intelligent calibration detection method and device for carbon dioxide sensor - Google Patents
Intelligent calibration detection method and device for carbon dioxide sensor Download PDFInfo
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
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- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
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Abstract
The application relates to an intelligent calibration detection method and device for a carbon dioxide sensor. The method comprises the following steps: controlling an air pump in the shielding box to output carbon dioxide gas in a first time period, and controlling a standard sensor in the shielding box to detect the concentration of the carbon dioxide to obtain a first standard value; calibrating a sensor to be measured in the shielding box according to the first standard value; if the calibration of the sensor to be detected is successful, controlling the sensor to be detected and the standard sensor to detect the concentration of the carbon dioxide within a second time period to obtain an actual detection value and a second standard value; and if the absolute value of the difference between the actual detection value and the second standard value is less than or equal to the difference threshold value, judging that the sensor to be detected is qualified. The scheme provided by the application can optimize the calibration detection flow and improve the reliability and accuracy of carbon dioxide detection in practical application.
Description
Technical Field
The application relates to the technical field of sensors, in particular to an intelligent calibration detection method and device for a carbon dioxide sensor.
Background
With the continuous development of air conditioning functions, the concentration of carbon dioxide in air can be detected by assembling a carbon dioxide sensor, the current test scheme of the carbon dioxide sensor in the production process is to detect firstly, judge that the carbon dioxide sensor is qualified if the detection is successful, calibrate if the detection is failed, calibrate for the second time if the calibration is successful, judge that the carbon dioxide sensor is unqualified if the calibration is failed, judge that the carbon dioxide sensor is qualified if the second detection is qualified, and judge that the carbon dioxide sensor is unqualified if the second detection is failed.
However, in this method, the carbon dioxide sensor which is successfully detected for the first time is not calibrated, and a situation that the detection is successful but the calibration is failed may occur, in this case, the carbon dioxide sensor needs to be calibrated and confirmed again, but actually the carbon dioxide sensor is judged to be qualified, so that the reliability of the carbon dioxide sensor in actual use is reduced, and the accuracy of the carbon dioxide detection is affected.
Therefore, the application aims to design an intelligent calibration detection method and device for a carbon dioxide sensor, which can optimize a calibration detection process and improve the reliability and accuracy of carbon dioxide detection in practical application.
Disclosure of Invention
In order to solve the problems in the related art, the application provides an intelligent calibration detection method and device for a carbon dioxide sensor, and the intelligent calibration detection method and device for the carbon dioxide sensor can optimize a calibration detection process and improve the reliability and accuracy of carbon dioxide detection in practical application.
The application provides in a first aspect an intelligent calibration and detection method for a carbon dioxide sensor, comprising:
controlling an air pump in a shielding box to output carbon dioxide gas in a first time period, controlling a standard sensor in the shielding box to detect the concentration of the carbon dioxide, and reading the concentration of the carbon dioxide of the standard sensor at the end of the first time period to obtain a first standard value;
calibrating a sensor to be tested in the shielding box according to the first standard value, and judging whether the sensor to be tested is calibrated successfully;
if the calibration of the sensor to be detected is successful, controlling the concentration of the carbon dioxide detected by the sensor to be detected and the standard sensor within a second time period, and reading the concentration of the carbon dioxide of the sensor to be detected and the concentration of the carbon dioxide of the standard sensor at the end of the second time period to obtain an actual detection value and a second standard value;
judging whether the sensor to be detected is qualified or not according to the absolute value of the difference between the actual detection value and the second standard value;
and if the absolute value of the difference between the actual detection value and the second standard value is less than or equal to a difference threshold value, judging that the sensor to be detected is qualified.
In one embodiment, the difference threshold is less than or equal to fifty parts per million.
In an embodiment, the calibrating the sensor to be calibrated in the shielding box according to the first standard value, and determining whether the calibration of the sensor to be calibrated is successful includes:
assigning the first standard value to a sensor to be detected, and judging whether the sensor to be detected displays an output value;
if the sensor to be tested displays an output value, judging whether the output value is equal to the first standard value or not;
and if the output value is equal to the first standard value, judging that the calibration of the sensor to be measured is successful.
In one embodiment, after determining whether the sensor under test displays the output value, the method includes:
and if the sensor to be detected does not display the output value, judging that the calibration of the sensor to be detected fails.
In one embodiment, said determining whether said output value is equal to said first criterion value comprises:
and if the output value is not equal to the first standard value, determining that the calibration of the sensor to be tested fails.
In an embodiment, after determining whether the calibration of the sensor to be tested is successful, the method includes:
and if the calibration of the sensor to be measured fails, judging that the sensor to be measured is unqualified.
In one embodiment, the determining whether the sensor under test is qualified includes:
and if the absolute value of the difference between the actual detection value and the second standard value is larger than the difference threshold value, determining that the sensor to be detected is unqualified.
In one embodiment, before controlling the gas pump in the shielding box to output carbon dioxide gas for the first time period, the method includes:
and controlling the shielding box to be electrified so as to start each mechanism in the shielding box to operate.
In an embodiment, after the sensor under test is successfully calibrated, the method includes:
and controlling the shielding box to be powered off and then powered on so as to empty data stored in the sensor to be tested and the standard sensor, and starting each mechanism in the shielding box to operate again.
The second aspect of the present application provides a device for intelligently calibrating and detecting a carbon dioxide sensor, which is used for executing the method for intelligently calibrating and detecting a carbon dioxide sensor according to any one of the above claims, and comprises: the device comprises a shielding box, a standard sensor, a sensor to be detected, an interface board, a communication adapter board and an air pump;
the standard sensor, the interface board, the communication adapter board and the air pump are all arranged in the shielding box;
the interface board is electrically connected with the communication adapter board, the sensor to be detected is arranged at the bottom of the shielding box, and a core wire of the sensor to be detected is connected with the interface board.
The technical scheme provided by the application can comprise the following beneficial effects:
according to the method, the standard sensor is used for measuring the concentration of the carbon dioxide in the shielding box to obtain a first standard value, the first standard value is assigned to the sensor to be measured for calibration, the standard sensor and the sensor to be measured which is calibrated successfully are used for measuring the concentration of the carbon dioxide in the shielding box to obtain a second standard value and an actual detection value, the absolute value of the difference between the actual detection value and the second standard value is smaller than or equal to a difference threshold value, and the sensor to be measured is judged to be qualified. This application has all carried out demarcation and detection to each carbon dioxide sensor, just judges this oxidation carbon sensor for qualified when the demarcation with detect all satisfy the requirement, compares the mode that detects earlier under the traditional mode and then the demarcation detects, and this application can avoid detecting the carbon dioxide sensor that succeeds for the first time and lead to directly being judged qualified because of not maring the flow, reliability and precision that carbon dioxide detected when improving practical application.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
FIG. 1 is a schematic flow chart diagram illustrating an intelligent calibration detection method for a carbon dioxide sensor according to an embodiment of the present application;
FIG. 2 is another schematic flow chart diagram illustrating a method for intelligently calibrating and detecting a carbon dioxide sensor according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an intelligent calibration and detection device for a carbon dioxide sensor according to an embodiment of the present application.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, 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 herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
With the continuous development of air conditioning functions, the concentration of carbon dioxide in air can be detected by assembling a carbon dioxide sensor, the current test scheme of the carbon dioxide sensor in the production process is to detect firstly, judge that the carbon dioxide sensor is qualified if the detection is successful, calibrate if the detection is failed, calibrate for the second time if the calibration is successful, judge that the carbon dioxide sensor is unqualified if the calibration is failed, judge that the carbon dioxide sensor is qualified if the second detection is qualified, and judge that the carbon dioxide sensor is unqualified if the second detection is failed.
However, the carbon dioxide sensor which is successfully detected for the first time is not calibrated in the method, and the situation that the detection is successful but the calibration is failed may occur, in this situation, the carbon dioxide sensor needs to be calibrated and confirmed again, but actually the carbon dioxide sensor is judged to be qualified, so that the reliability of the carbon dioxide sensor in actual use is reduced, and the accuracy of the carbon dioxide detection is affected.
In order to solve the above problems, embodiments of the present application provide an intelligent calibration detection method and apparatus for a carbon dioxide sensor, which can optimize a calibration detection flow, and improve reliability and accuracy of carbon dioxide detection in practical application.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Example one
Fig. 1 is a schematic flow chart of an intelligent calibration detection method for a carbon dioxide sensor according to an embodiment of the present application.
Referring to fig. 1, an embodiment of the intelligent calibration and detection method for a carbon dioxide sensor in the embodiment of the present application includes:
101. controlling an air pump in the shielding box to output carbon dioxide gas in a first time period, controlling a standard sensor in the shielding box to detect the concentration of the carbon dioxide, and reading the concentration of the carbon dioxide of the standard sensor at the end of the first time period to obtain a first standard value;
the first time period may be 60 seconds, the air pump in the shielding box is controlled to output carbon dioxide gas within 60 seconds, the carbon dioxide concentration detected by the standard sensor is detected in real time, and the carbon dioxide concentration detected by the standard sensor is read at the end of 60 seconds to obtain a first standard value, so that the reading at the end of 60 seconds is taken as the first standard value because the reading of the standard sensor tends to be stable within 60 seconds, and the reading at the end of 60 seconds is a relatively stable standard value.
It should be noted that the time of the first duration is not limited herein, and may be adjusted according to actual situations, as long as the reading of the standard sensor is relatively stable.
This standard sensor can select for use the erburg gas sensor, and this sensor has higher stability and good repeatability, can realize carrying out carbon dioxide gas concentration high quality and high accuracy measurement to the environment.
102. Calibrating a sensor to be tested in the shielding box according to the first standard value, and judging whether the sensor to be tested is successfully calibrated;
this mark flow can be accomplished in 10 seconds after first time length, accomplishes in 60 seconds to 70 seconds promptly, utilizes the detected value of high accuracy Edinburgh gas sensor as first standard value, marks the sensor that awaits measuring, can select the sensor that awaits measuring that is close with Edinburgh gas sensor detection ability.
103. If the calibration of the sensor to be tested fails, judging that the sensor to be tested is unqualified;
104. if the calibration of the sensor to be detected is successful, controlling the sensor to be detected and the standard sensor to detect the concentration of the carbon dioxide within the second time period, and reading the concentration of the carbon dioxide of the sensor to be detected and the standard sensor at the end of the second time period to obtain an actual detection value and a second standard value;
the second time duration can also be 60 seconds, namely within 60 seconds after successful calibration, the sensor to be detected and the standard sensor are controlled to detect the concentration of the carbon dioxide, and the concentration of the carbon dioxide detected by the sensor to be detected and the standard sensor is read at the end of the 60 second to obtain an actual detection value and a second standard value, so that the reading at the end of the 60 second is selected as the first standard value, and a relatively stable value can be read.
At the moment, the sensor to be measured and the standard sensor simultaneously measure the concentration of the carbon dioxide in the shielding box, and the reading displayed by the sensor to be measured is the actual measurement to obtain the concentration value of the carbon dioxide, so that the measurement capability of the sensor to be measured is reflected, and the influence of the assignment of the standard sensor is avoided.
It should be noted that the time of the second time period is not limited here, and may be adjusted according to actual situations, as long as the readings of the standard sensor and the sensor to be measured are relatively stable.
105. Judging whether the absolute value of the difference between the actual detection value and the second standard value is less than or equal to a difference threshold value or not according to the absolute value of the difference between the actual detection value and the second standard value;
at this time, the actual detection value of the sensor to be measured is compared with the second standard value, so that the sensor to be measured close to the detection precision of the standard sensor can be screened out.
106. If the absolute value of the difference between the actual detection value and the second standard value is larger than the difference threshold value, judging that the sensor to be detected is unqualified;
the difference threshold value can be set to be fifty parts per million, namely when the difference between the measured value of the sensor to be measured and the measured value of the Edinburgh gas sensor is greater than fifty parts per million, the difference between the detection accuracy of the sensor to be measured and the detection accuracy of the Edinburgh gas sensor is considered to be large, and the sensor to be measured and the Edinburgh gas sensor are judged to be unqualified.
107. And if the absolute value of the difference between the actual detection value and the second standard value is less than or equal to the difference threshold value, judging that the sensor to be detected is qualified.
In this case, that is, the difference between the measurement value of the sensor to be measured and the measurement value of the eburg gas sensor is within fifty parts per million, it is determined that the detection accuracy of the sensor to be measured and the eburg gas sensor is relatively close to each other, and it is determined that the sensor to be measured and the eburg gas sensor are qualified.
It should be noted that the number of the sensors to be measured is not limited here, and may be adjusted as needed, in this embodiment, there are 28 sensors to be measured, that is, at least 28 sensors to be measured may be calibrated and measured at one time, so as to meet the requirement of batch production.
The following advantageous effects can be obtained from the first embodiment:
in this embodiment, the standard sensor is first used to measure the concentration of carbon dioxide in the shielding box to obtain a first standard value, the first standard value is then assigned to the sensor to be measured for calibration, the standard sensor and the sensor to be measured that is successfully calibrated are then used to measure the concentration of carbon dioxide in the shielding box to obtain a second standard value and an actual detection value, and if the absolute value of the difference between the actual detection value and the second standard value is less than or equal to the difference threshold, the sensor to be measured is determined to be qualified. This embodiment has all carried out demarcation and detection to each carbon dioxide sensor, just judges this carbon oxide sensor for qualified when the demarcation with detect all satisfy the requirement, compares the mode that detects earlier under the traditional mode and then the demarcation detects, and this application can avoid detecting the carbon dioxide sensor that succeeds for the first time and lead to directly being judged qualified because of not maring the flow, reliability and precision that carbon dioxide detected when improving practical application.
Example two
In practical application, on the basis of the first embodiment, the calibration process of the sensor to be measured is described in detail in this embodiment.
Fig. 2 is another schematic flow chart of the intelligent calibration detection method for a carbon dioxide sensor according to the embodiment of the present application.
Referring to fig. 2, an embodiment of the intelligent calibration and detection method for the carbon dioxide sensor in the embodiment of the present application includes:
201. assigning the first standard value to the sensor to be detected, and judging whether the sensor to be detected displays an output value;
the process is to judge whether the input and output functions of the sensor to be measured are normal.
202. And if the sensor to be measured does not display the output value, determining that the calibration of the sensor to be measured fails.
In this case, it is considered that the sensor to be measured cannot respond to the input assignment, that is, the input/output function is abnormal, and subsequent calibration cannot be performed, so that it is determined that the calibration of the sensor to be measured fails.
203. If the sensor to be detected displays the output value, judging whether the output value is equal to the first standard value or not;
at this time, the input and output functions of the sensor to be tested are considered to be normal, and subsequent calibration can be carried out.
204. And if the output value is not equal to the first standard value, judging that the calibration of the sensor to be measured fails.
In this case, it is considered that there is a deviation in the response of the sensor to be measured to the standard sensor input assignment, that is, there is a deviation between the input and the output of the sensor to be measured, and therefore it is determined that the calibration of the sensor to be measured fails.
205. And if the output value is equal to the first standard value, judging that the calibration of the sensor to be measured is successful.
At the moment, the response of the sensor to be measured to the input assignment of the standard sensor is considered to have no deviation, namely, the input and the output of the sensor to be measured have no deviation, so that the sensor to be measured is judged to be calibrated successfully.
The following advantageous effects can be obtained from the second embodiment:
in the embodiment, the sensor to be measured is calibrated by using the detection value of the standard sensor, and the sensor to be measured with normal input and output functions and no error between input and output can be screened out.
EXAMPLE III
In practical application, on the basis of the above embodiments, in order to ensure the detection environments of the sensor to be detected and the standard sensor, it is further necessary to perform control of powering on and powering off the shielding box.
Before the air pump in the shielding box is controlled to output carbon dioxide gas within the first time period, the shielding box is controlled to be electrified so as to start all mechanisms in the shielding box to operate, the shielding box is controlled to be powered off and then electrified after the sensor to be tested is successfully calibrated so as to empty the data stored in the sensor to be tested and the standard sensor, and all the mechanisms in the shielding box are started to operate again so that the measured value of the standard sensor within the second time period is not influenced by the measured value within the first time period, and the measured value of the sensor to be tested within the second time period is not influenced by the calibrated data.
The power-off time can be 10 seconds, namely after 60 seconds of the first time length, calibration is carried out in 60 seconds to 70 seconds, power-off is carried out for 10 seconds after the calibration is finished, and then 60 seconds of the second time length are measured.
The following beneficial effects can be obtained from the third embodiment:
in the embodiment, the power is switched on before the first time length is measured, and the power is switched off and then the power is switched on after the calibration is completed, so that the detection environments of the sensor to be detected and the standard sensor in the first time length and the second time length are guaranteed.
Example four
Corresponding to the embodiment of the application function implementation method, the application also provides an intelligent calibration detection device of the carbon dioxide sensor and a corresponding embodiment.
Fig. 3 is a schematic structural diagram of an intelligent calibration and detection device for a carbon dioxide sensor according to an embodiment of the present application.
Referring to fig. 3, the intelligent calibration and detection device for the carbon dioxide sensor is used for executing the intelligent calibration and detection method for the carbon dioxide sensor, and comprises a shielding box 1, a standard sensor 2, a sensor to be detected, an interface board 3, a communication adapter board 4 and an air pump 5;
the standard sensor 2, the interface board 3, the communication adapter plate 4 and the air pump 5 are all arranged in the shielding box 1, the interface board 3 is electrically connected with the communication adapter plate 4, the sensor to be detected is arranged at the bottom of the shielding box 1, and a core wire of the sensor to be detected is connected with the interface board 3, so that the communication adapter plate 4 can be connected with the sensor to be detected through the interface board 3.
In this embodiment, 28 sensor placing positions 6 are provided at the bottom of the shielding box 1 for placing a sensor to be tested, 28 sensor plugging positions 7 are provided on the interface board 3, the sensor plugging positions 7 correspond to the sensor placing positions 6 one by one, and are used for plugging and unplugging core wires of the sensor to be tested, so that the sensor to be tested is connected with the interface board 3.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
The solution of the present application has been described in detail hereinabove with reference to the drawings. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. Those skilled in the art should also appreciate that acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined, and deleted according to actual needs, and the modules in the device of the embodiment of the present application may be combined, divided, and deleted according to actual needs.
The foregoing description of the embodiments of the present application has been presented for purposes of illustration and description and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. An intelligent calibration detection method for a carbon dioxide sensor is characterized by comprising the following steps:
controlling an air pump in a shielding box to output carbon dioxide gas in a first time period, controlling a standard sensor in the shielding box to detect the concentration of carbon dioxide, and reading the concentration of the carbon dioxide of the standard sensor at the end of the first time period to obtain a first standard value;
calibrating a sensor to be tested in the shielding box according to the first standard value, and judging whether the sensor to be tested is calibrated successfully;
if the calibration of the sensor to be detected is successful, controlling the concentration of the carbon dioxide detected by the sensor to be detected and the standard sensor within a second time period, and reading the concentration of the carbon dioxide of the sensor to be detected and the standard sensor at the end of the second time period to obtain an actual detection value and a second standard value;
judging whether the sensor to be detected is qualified or not according to the absolute value of the difference between the actual detection value and the second standard value;
and if the absolute value of the difference between the actual detection value and the second standard value is less than or equal to a difference threshold value, judging that the sensor to be detected is qualified.
2. The intelligent calibration and detection method for the carbon dioxide sensor according to claim 1, characterized in that:
the difference threshold is less than or equal to fifty parts per million.
3. The method for intelligently calibrating and detecting the carbon dioxide sensor according to claim 1, wherein the calibrating the sensor to be detected in the shielding box according to the first standard value and the judging whether the calibration of the sensor to be detected is successful comprises the following steps:
assigning the first standard value to a sensor to be detected, and judging whether the sensor to be detected displays an output value;
if the sensor to be tested displays an output value, judging whether the output value is equal to the first standard value or not;
and if the output value is equal to the first standard value, judging that the calibration of the sensor to be measured is successful.
4. The intelligent calibration and detection method for the carbon dioxide sensor according to claim 3, wherein after judging whether the sensor to be detected displays the output value, the method comprises the following steps:
and if the sensor to be detected does not display the output value, judging that the calibration of the sensor to be detected fails.
5. The method for intelligently calibrating and detecting the carbon dioxide sensor according to claim 3, wherein after the step of judging whether the output value is equal to the first standard value or not, the method comprises the following steps:
and if the output value is not equal to the first standard value, determining that the calibration of the sensor to be tested fails.
6. The intelligent calibration and detection method for the carbon dioxide sensor according to claim 1, wherein after determining whether the sensor to be tested is calibrated successfully, the method comprises:
and if the calibration of the sensor to be detected fails, judging that the sensor to be detected is unqualified.
7. The intelligent calibration and detection method for the carbon dioxide sensor according to claim 1, wherein after judging whether the sensor to be detected is qualified, the method comprises the following steps:
and if the absolute value of the difference between the actual detection value and the second standard value is larger than the difference threshold value, determining that the sensor to be detected is unqualified.
8. The intelligent calibration detection method for the carbon dioxide sensor as claimed in claim 1, wherein before controlling the gas pump in the shielding box to output carbon dioxide gas for the first time period, the method comprises:
and controlling the shielding box to be electrified so as to start each mechanism in the shielding box to operate.
9. The intelligent calibration and detection method for the carbon dioxide sensor according to claim 1, wherein if the calibration of the sensor to be detected is successful, the method comprises the following steps:
and controlling the shielding box to be powered off and then powered on so as to empty data stored in the sensor to be tested and the standard sensor, and restarting all mechanisms in the shielding box to operate.
10. A carbon dioxide sensor intelligent calibration detection device for executing the carbon dioxide sensor intelligent calibration detection method according to any one of claims 1-9, comprising: the device comprises a shielding box (1), a standard sensor (2), a sensor to be detected, an interface board (3), a communication adapter board (4) and an air pump (5);
the standard sensor (2), the interface board (3), the communication adapter plate (4) and the air pump (5) are all arranged in the shielding box (1);
the interface board (3) is electrically connected with the communication adapter board (4), the sensor to be detected is arranged at the bottom of the shielding box (1), and a core wire of the sensor to be detected is connected with the interface board (3).
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| CN115993426A (en) * | 2022-12-29 | 2023-04-21 | 苏州水云境科技有限公司 | Calibration monitoring method, device, system, equipment and medium |
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