CN117190064A - A hydrogenation machine calibration method, device, terminal and storage medium - Google Patents

Abstract

This application relates to a hydrogenation machine calibration method, device, terminal and storage medium, and relates to the technical field of hydrogenation machine calibration. The calibration method includes: connecting the calibration device between the hydrogenation machine and the hydrogen storage device in response to the request, To construct a hydrogen flow channel between the hydrogenation machine, the calibration device and the hydrogen storage device; obtain calibration-related data, and construct a calibration model based on the calibration-related data; and perform the calibration on the hydrogenation machine based on the calibration model. The hydrogenation situation of the hydrogen machine is calibrated and analyzed, and the analysis results are obtained. This application has the effect of avoiding potential safety hazards caused by the hydrogenation machine discharging hydrogen at the hydrogenation station site.

Description

A hydrogenation machine calibration method, device, terminal and storage medium

Technical field

This application relates to the technical field of hydrogenation machine calibration, and in particular to a hydrogenation machine calibration method, device, terminal and storage medium.

Background technique

The promotion of fuel cell vehicles requires the support of ground filling systems, and the popularization of hydrogen refueling stations is imperative. As one of the important components of the hydrogenation station, the hydrogenation machine is responsible for the test filling of hydrogen fuel cell vehicles and the filling and testing of on-board hydrogen storage systems.

The hydrogen filling process involves trade settlement, and in accordance with the requirements of the National Metrology Law, mandatory verification of the hydrogenation machine should be carried out. The national standard "GB/T31138-2022 Compressed Hydrogen Dispenser for Automobiles" stipulates three measurement indicators of the hydrogenation machine, the maximum allowable error is ±1.5%; the measurement repeatability should not exceed 0.5%; the hydrogen filling flow should not be greater than 7.2 kg/min. At the same time, the standard requires that 35MPa and 70MPa hydrogenation machines should be tested at least three times in the two test intervals R(3) and R(4). Therefore, after each calculation test, all hydrogen must be discharged before the next test can be carried out. If In the hydrogenation machine manufacturing and testing factory area, the factory discharge pipeline can be connected to drain or be recycled and reused; however, if the verification is performed on-site at the hydrogenation station, the discharge pipeline of the hydrogenation station cannot be connected, and the on-site discharge It will also cause safety hazards.

Contents of the invention

The purpose of this application is to provide a hydrogenation machine calibration method, device, terminal and storage medium to solve the safety hazard problem caused by on-site leakage when the hydrogenation machine is calibrated on site.

In the first aspect, this application provides a hydrogenation machine calibration method that adopts the following technical solution:

A hydrogenation machine calibration method, including:

In response to the request, connect the verification device between the hydrogenation machine and the hydrogen storage device to construct a hydrogen gas flow channel between the hydrogenation machine, the verification device and the hydrogen storage device;

Obtain calibration-related data and construct a calibration model based on the calibration-related data;

Calibration and analysis of the hydrogenation situation of the hydrogenation machine are performed according to the calibration model to obtain analysis results.

By adopting the above technical solution, the calibration device is installed between the hydrogenation machine and the hydrogen storage device, and a hydrogen gas circulation channel can be formed between the hydrogenation machine, the calibration device and the hydrogen storage device. If the hydrogenation is performed on-site at the hydrogenation station When the machine is being calibrated, the hydrogen that has been calibrated is recovered through the hydrogen storage device, thereby avoiding potential safety hazards caused by on-site release of the hydrogen refueling station; at the same time, a calibration model can be constructed based on the data obtained during the calibration process, thereby facilitating the verification The model performs data analysis on the calibration of the hydrogenation machine.

Optionally, obtaining calibration-related data and constructing a calibration model based on the calibration-related data specifically includes:

Start the hydrogenation machine, and the hydrogenation machine starts supplying gas;

The flow data in the hydrogen flow channel is collected in real time through a high-precision mass flow meter in the calibration device;

Build a first model based on the traffic data and collection time.

By adopting the above technical solution, the flow data in the hydrogen circulation channel is collected in real time through a high-precision mass flow meter, and the first model can be constructed based on the real-time collected flow data and collection time, so as to facilitate the subsequent use of the first model to perform operations on the hydrogenation machine. Test.

Optionally, the hydrogenation situation of the hydrogenation machine is calibrated and analyzed according to the calibration model to obtain calibration results, which specifically include:

Determine whether the hydrogenation machine has an automatic shutdown function according to the first model;

If the flow data does not fluctuate within a preset time period, the hydrogenation machine is deemed to have an automatic shutdown function;

If the flow data fluctuates within the preset time period, it is determined that the hydrogenation machine does not have an automatic shutdown function.

By adopting the above technical solution, by calling the first model and determining whether the flow data fluctuates within a preset time period, it is convenient for users to know whether the hydrogenation machine has an automatic shutdown function.

Optionally, obtaining calibration-related data and constructing a calibration model based on the calibration-related data specifically includes:

Start the hydrogenation machine, and the hydrogenation machine starts supplying gas;

Shut down the air inlet of the hydrogenation machine and the hydrogen storage device after the first time;

The pressure data in the hydrogen flow channel is collected in real time through the high-precision pressure transmitter of the calibration device;

A second model is constructed based on the pressure data and collection time.

By adopting the above technical solution, after the gas supply of the hydrogenation machine continues for a first time, the hydrogenation machine and the air inlet of the hydrogen storage device are closed, and the pressure data in the hydrogen circulation channel is collected in real time through a high-precision pressure transmitter, and based on The pressure data and collection time collected in real time can be used to construct a second model, which facilitates the subsequent use of the second model to calibrate the hydrogenation machine.

Optionally, the hydrogenation situation of the hydrogenation machine is calibrated and analyzed according to the calibration model to obtain calibration results, which specifically include:

Determine whether the air tightness of the hydrogen gas flow channel meets the standard according to the second model;

If the fluctuation value of the pressure data within the second time is within the first threshold range, it is determined that the air tightness of the hydrogen gas flow channel meets the standard;

If the fluctuation value of the pressure data within the second time is not within the first threshold range, it is determined that the airtightness of the hydrogen gas flow channel does not meet the standard.

By adopting the above technical solution, by calling the second model and judging whether the fluctuation value of the real-time collected pressure data within the second time is within the first threshold range, it is convenient for users to know whether the air tightness of the hydrogen circulation channel meets the standard.

Optionally, also includes:

Collect image data of the hydrogenation machine;

Process the image data to obtain dial parameter data of the hydrogenation machine;

Determine whether the hydrogenation machine is in a stable state of use based on the flow data and the dial parameter data;

If the flow rate data is consistent with the dial parameter data, the hydrogenation machine is deemed to be in a stable state of use;

If the flow rate data is inconsistent with the dial parameter data, it is determined that the hydrogenation machine is not in a stable state of use.

By adopting the above technical solution, the image data of the hydrogenation machine is collected to extract the dial parameter data in the image data, and judge whether the real-time collected flow data is consistent with the dial parameter data, so as to facilitate the user to know whether the hydrogenation machine is in stable use. state.

Optionally, also includes:

Obtain the weighing data of the hydrogen storage device;

Determine whether the flow rate data and/or the dial parameter data are accurate based on the weighing data;

If the flow data and/or the dial parameter data are consistent with the weighing data, the flow data and/or the dial parameter data are deemed to be accurate;

If the flow data and/or the dial parameter data are inconsistent with the weighing data, it is determined that the flow data and/or the dial parameter data are inaccurate.

By adopting the above technical solution, using the weighing data as the benchmark data, and comparing and analyzing the weighing data, flow data and/or dial parameter data, it is convenient for users to verify the flow data and/or dial parameter data.

In the second aspect, this application provides a hydrogenation machine calibration device that adopts the following technical solution:

A hydrogenation machine calibration device, including:

A response module, configured to connect the verification device between the hydrogenation machine and the hydrogen storage device in response to the request, so as to construct a hydrogen gas flow channel between the hydrogenation machine, the verification device and the hydrogen storage device;

A construction module used to obtain calibration-related data and build a calibration model based on the calibration-related data;

The analysis module performs calibration and analysis on the hydrogenation situation of the hydrogenation machine according to the calibration model to obtain analysis results.

By adopting the above technical solution, the calibration device is installed between the hydrogenation machine and the hydrogen storage device, and a hydrogen gas circulation channel can be formed between the hydrogenation machine, the calibration device and the hydrogen storage device. If the hydrogenation is performed on-site at the hydrogenation station When the machine is being calibrated, the hydrogen that has been calibrated is recovered through the hydrogen storage device, thereby avoiding potential safety hazards caused by on-site release of the hydrogen refueling station; at the same time, a calibration model can be constructed based on the data obtained during the calibration process, thereby facilitating the verification The model performs data analysis on the calibration of the hydrogenation machine.

In the third aspect, this application provides a terminal that adopts the following technical solution:

A terminal includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor. When the processor loads the computer program, it executes the method of the first aspect.

By adopting the above technical solution, the method of the first aspect generates a computer program and stores it in the storage to be loaded and executed by the processor, so that the user can establish contact with the device through the terminal and query various contents processed by the device. .

In the fourth aspect, this application provides a computer-readable storage medium that adopts the following technical solution:

A computer-readable storage medium. A computer program is stored in the computer-readable storage medium. When the computer program is loaded by a processor, the method of the first aspect is executed.

By adopting the above technical solution, the method of the first aspect is generated into a computer program and stored in a computer-readable storage medium. After the computer-readable storage medium is loaded into any computer, any computer can execute the method of the first aspect. .

Description of the drawings

Figure 1 is a method flow chart of steps S100-S300 in the embodiment of the present application;

Figure 2 is a schematic diagram of the connection between the hydrogenation machine, the calibration device and the hydrogen storage device in the embodiment of the present application;

Figure 3 is a method flow chart of steps S210-S230 in the embodiment of the present application;

Figure 4 is a graph of flow data and collection time in the embodiment of the present application;

Figure 5 is a method flow chart of steps S240-S270 in the embodiment of the present application;

Figure 6 is a graph of pressure data and collection time in the embodiment of the present application;

Figure 7 is a method flow chart of steps S310-S330 in the embodiment of the present application;

Figure 8 is a method flow chart of steps S340-S360 in the embodiment of the present application;

Figure 9 is a method flow chart of steps S410-S450 in the embodiment of the present application;

Figure 10 is a method flow chart of steps S510-S540 in the embodiment of the present application;

Figure 11 is a module frame diagram of the hydrogenation machine calibration device of the present application;

Figure 12 is a module frame diagram of the control system of the hydrogenation machine calibration device in the embodiment of the present application;

In the figure, 1. Response module; 2. Building module; 3. Analysis module.

Detailed ways

The present application will be further described in detail below with reference to Figures 1 to 12.

A hydrogenation machine calibration method, with reference to Figure 1 and Figure 2, the method specifically includes the following steps:

S100: In response to the request, connect the verification device between the hydrogenation machine and the hydrogen storage device to build a hydrogen gas flow channel between the hydrogenation machine, the verification device and the hydrogen storage device.

Among them, in one embodiment of the present application, according to the user's calibration needs, the calibration device is installed between the hydrogenation machine and the hydrogen storage device, so that the hydrogenation machine, calibration device and hydrogen storage device can be configured to transport hydrogen. hydrogen gas flow channel.

Among them, the hydrogen in the hydrogenation machine passes through the calibration device and the hydrogen storage device, and is finally added to the fuel cell vehicle-mounted hydrogen storage bottle; and the calibration device is equipped with a high-precision mass flow meter and a high-precision pressure transmitter.

S200: Obtain calibration-related data and build a calibration model based on the calibration-related data.

Among them, in one embodiment of the present application, referring to Figures 3 and 4, step S200 specifically includes the following steps: S210: Start the hydrogenation machine, and the hydrogenation machine starts supplying gas;

S220: Collect the flow data in the hydrogen flow channel in real time through the high-precision mass flow meter in the calibration device;

S230: Build the first model based on the traffic data and collection time.

Among them, by starting the hydrogenation machine, the hydrogenation machine starts to supply gas, and the hydrogen finally flows to the hydrogen storage device through the hydrogen circulation channel, and then the flow data in the hydrogen circulation channel is collected through the high-precision mass flow meter in the calibration device, and A curve graph of flow rate and time is constructed based on the collected flow data and collection time. Specifically, the curve graph is constructed with time as the horizontal axis and flow rate as the vertical axis.

Among them, in one embodiment of the present application, referring to Figures 5 and 6, step S200 specifically includes the following steps: S240: Start the hydrogenation machine, and the hydrogenation machine starts supplying gas;

S250: Shut down the air inlet of the hydrogenation machine and hydrogen storage device after the first time;

S260: Collect the pressure data in the hydrogen flow channel in real time through the high-precision pressure transmitter of the calibration device;

S270: Build a second model based on the pressure data and collection time.

Among them, the first time in this embodiment is set to 3 seconds. Of course, the set value of the first time can also be adjusted according to the actual verification situation.

Among them, by starting the hydrogenation machine, the hydrogenation machine starts to supply gas, and the hydrogen finally flows to the hydrogen storage device through the hydrogen circulation channel, and the hydrogenation machine is shut down after the hydrogenation machine supplies gas for 3 seconds, and the hydrogen storage device is closed. The air inlet is used to seal both ends of the hydrogen flow channel, and then the pressure data in the hydrogen flow channel is collected through the high-precision pressure transmitter of the calibration device, and the pressure and time are constructed based on the collected pressure data and collection time. Curve chart; Specifically, the curve chart is constructed with time as the horizontal axis and pressure as the vertical axis.

S300: Calibrate and analyze the hydrogenation situation of the hydrogenation machine according to the calibration model, and obtain the analysis results.

Among them, in one embodiment of the present application, referring to Figure 4 and Figure 7, step S300 specifically includes the following steps:

S310: Determine whether the hydrogenation machine has an automatic shutdown function based on the first model;

S320: If the flow data does not fluctuate within the preset time period, the hydrogenation machine is deemed to have the automatic shutdown function;

S330: If the flow data fluctuates within the preset time period, it is determined that the hydrogenation machine does not have the automatic shutdown function.

Among them, the automatic shutdown function in this embodiment refers to the 3s shutdown function of the hydrogenation machine. Of course, according to the actual verification situation, the automatic shutdown function can also be set to the shutdown ns function of the hydrogenation machine. This application does not do this. limit.

Among them, the preset time period in this embodiment can be set to 3 seconds to correspond to the 3-second shutdown function of the hydrogenation machine, thereby making it easier to determine whether the hydrogenation machine has the 3-second shutdown function.

Among them, by analyzing the curve graph constructed in step S230, if the flow data monitored on the high-precision mass flow meter does not fluctuate (do not increase) within 3 seconds, it can be determined that the hydrogenation machine has the shutdown function for 3 seconds; conversely, if If the flow data monitored on the precision mass flow meter fluctuates (increases) within 3 seconds, it can be determined that the hydrogenation machine does not have the 3-second shutdown function; thus, based on the constructed curve, it can be easily determined whether the hydrogenation machine has the 3-second shutdown function.

Among them, in this embodiment, the minimum flow rate monitored by the high-precision mass flowmeter in practical applications is 0.2kg/min.

Among them, in one embodiment of the present application, referring to Figures 6 and 8, step S300 specifically includes the following steps: S340: Determine whether the air tightness of the hydrogen flow channel meets the standard according to the second model;

S350: If the fluctuation value of the pressure data within the second time is within the first threshold range, it is determined that the air tightness of the hydrogen gas flow channel meets the standard;

S360: If the fluctuation value of the pressure data within the second time period is not within the first threshold range, it is determined that the air tightness of the hydrogen gas circulation channel does not meet the standard.

Among them, the second time in this embodiment is set to 30s, and the first threshold range in this embodiment is set to 0-0.05MPa.

Among them, by analyzing the curve graph constructed in step S270, if the fluctuation value of the pressure data monitored on the high-precision pressure transmitter within 30s is within 0-0.05MPa (mainly refers to a drop of 0-0.05MPa), then it can be It is determined that the air tightness of the hydrogen circulation channel meets the standards, and then it can also be determined that the air tightness between the hydrogenation machine and the calibration device and between the calibration device and the hydrogen storage device meets the standards. It can also be recognized that the air tightness between the hydrogenation machine and the calibration device meets the standards. The connection between the calibration device and the hydrogen storage device is reliable; conversely, if the fluctuation value of the pressure data monitored on the high-precision pressure transmitter within 30s is not within 0-0.05MPa (mainly refers to a decrease of 0-0.05MPa) , it can be determined that the air tightness of the hydrogen circulation channel does not meet the label, and then it can also be determined that the air tightness between the hydrogenation machine and the calibration device and between the calibration device and the hydrogen storage device does not meet the standards, so it can also be determined that the hydrogenation The connection between the machine and the calibration device and between the calibration device and the hydrogen storage device are unreliable.

Among them, in one embodiment of the present application, referring to Figure 9, the hydrogenation machine calibration method may also include the following steps: S410: Collect image data of the hydrogenation machine;

S420: Process the image data to obtain the dial parameter data of the hydrogenation machine;

S430: Determine whether the hydrogenation machine is in stable use based on flow data and dial parameter data;

S440: If the flow data is consistent with the dial parameter data, the hydrogenation machine is deemed to be in stable use;

S450: If the flow data is inconsistent with the dial parameter data, it is determined that the hydrogenation machine is not in stable use.

The dial parameter data in this embodiment refers to the hydrogenation amount data displayed on the hydrogenation machine.

Among them, the image information of the hydrogenation machine is collected through a high-definition camera, and the video stream is intercepted to extract a frame of image, and the hydrogenation amount data of the hydrogenation machine is obtained from the extracted frame of image, and the Compare and analyze the flow data monitored by the high-precision mass flow meter with the hydrogenation volume data displayed on the hydrogenation machine. If the flow data monitored by the high-precision mass flow meter is consistent with the hydrogenation volume data displayed on the hydrogenation machine, it can be determined that the hydrogenation volume is being added. The hydrogen machine is in a stable state of use; conversely, if the flow data monitored on the high-precision mass flow meter is inconsistent with the hydrogenation volume data displayed on the hydrogenation machine, it can be determined that the hydrogenation machine is not in a stable state of use.

Among them, in one embodiment of the present application, the video stream is intercepted on the collected image information to extract a frame of image, which may specifically include the following steps:

Intercept the video stream of the hydrogenation machine according to the video stream interception program to obtain video stream data, and the video stream data includes the video stream information of each frame of image;

Screen the video stream information of each frame of image according to the image screening program to obtain qualified image information;

Analyze qualified image information according to the image analysis program to obtain an analysis result, and the analysis result includes at least one one-frame image.

Therefore, according to the above steps, a relatively high-definition image can be intercepted from the video stream of the hydrogenation machine, and then the hydrogenation amount data of the hydrogenation machine can be extracted from the relatively high-definition image.

Among them, by judging whether the hydrogenation machine is in a stable state of use, it can be monitored whether the staff of the hydrogenation station has adjusted the hydrogenation machine or whether the hydrogen gas circulation channel has leaked, so that the hydrogenation machine can hydrogenate the fuel cell vehicle. At this time, the hydrogenation volume data displayed on the hydrogenation machine is inconsistent with the monitored hydrogenation flow data (mainly means that the hydrogenation volume data displayed on the hydrogenation machine is higher than the monitored hydrogenation flow data), causing losses to consumers.

Among them, in one embodiment of the present application, referring to Figure 10, the hydrogenation machine calibration method may also include the following steps:

S510: Obtain the weighing data of the hydrogen storage device;

S520: Determine whether the flow data and/or dial parameter data are accurate based on the weighing data;

S530: If the flow data and/or dial parameter data are consistent with the weighing data, the flow data and/or dial parameter data are deemed to be accurate;

S540: If the flow data and/or dial parameter data are inconsistent with the weighing data, it is deemed that the flow data and/or dial parameter data are inaccurate.

Among them, the weighing data in this embodiment is the actual hydrogenation amount data, and the weighing data in this embodiment is only used as relevant evidence when the calibration device data is questioned.

Among them, the hydrogen gas in the hydrogen storage device is weighed by the weighing device provided on the hydrogen storage device to obtain the actual hydrogenation amount data, and the obtained actual hydrogenation amount data, monitored flow data and/or refueling amount data are compared. Compare and analyze the hydrogenation volume data displayed on the hydrogen machine. If the monitored flow data and/or the displayed hydrogenation volume data are consistent with the actual hydrogenation volume data, the monitored flow data and/or the displayed hydrogenation volume data can be determined. The data is accurate; on the contrary, if the monitored flow data and/or the displayed hydrogenation volume data are inconsistent with the actual hydrogenation volume data, it can be determined that the monitored flow data and/or the displayed hydrogenation volume data are inaccurate.

Among them, the accuracy level of the weighing device in this embodiment is not lower than level II. GB/T31138-2022 stipulates that the accuracy is not lower than level II. The calibration graduation value is not higher than 2g. The maximum range is based on the amount of air added. , determine the total mass of hydrogen storage bottles, pipelines, brackets, etc.

Among them, by comparing and analyzing the monitored flow data and/or the displayed hydrogenation volume data based on the actual hydrogenation volume data, it can be further determined whether the hydrogenation machine has been adjusted or whether the hydrogen gas circulation channel is leaking.

Among them, when the monitored flow data is inconsistent with the actual hydrogenation volume data (mainly means that the monitored flow data is higher than the actual hydrogenation volume data), there may be a leak in the hydrogen circulation channel.

Among them, if the displayed hydrogenation amount data is inconsistent with the actual hydrogenation amount data (mainly because the displayed hydrogenation amount data is higher than the actual hydrogenation amount data), it may be that the hydrogenation machine has been adjusted or the hydrogen circulation channel has malfunctioned. leaked.

The implementation principle of the embodiment of this application is: construct a hydrogen circulation channel between the hydrogenation machine, the calibration device and the hydrogen storage device, collect calibration-related data, build a calibration model based on the collected calibration-related data, and then use the constructed calibration model to The hydrogenation situation of the hydrogenation machine is calibrated and analyzed to obtain the analysis results; thus it is convenient to perform data analysis on the calibration situation of the hydrogenation machine based on the calibration model.

The embodiment of the present application discloses a hydrogenation machine calibration device. Referring to Figure 11, the device specifically includes a response module 1, a building module 2 and an analysis module 3; wherein, the response module 1 can be used to connect the calibration device to a device in response to a request. Between the hydrogenation machine and the hydrogen storage device, a hydrogen gas circulation channel is constructed between the hydrogenation machine, the calibration device and the hydrogen storage device; the building module 2 can be used to obtain calibration-related data, and build a calibration model based on the calibration-related data; The analysis module 3 can be used to perform verification and analysis on the hydrogenation situation of the hydrogenation machine according to the verification model and obtain analysis results.

Among them, in one embodiment of the present application, when the hydrogenation machine calibration device of this embodiment is specifically used, the hydrogenation machine calibration method of the above embodiment is used. Therefore, the specific application content of the hydrogenation machine calibration device is here No longer.

Among them, in one embodiment of the present application, the data verified by the hydrogenation machine verification device will be uploaded to the cloud for storage, and the user can retrieve the required data from the cloud through RS485 or Modbus.

Among them, in one embodiment of the present application, the logical structure table of the hydrogenation machine calibration device is as follows:

Table 1: ca_info calibration certificate information table

Table 2: p_log calibration data table

Table 3: r_log calibration data modification record table

Among them, in one embodiment of the present application, the calibration device is controlled by the control system of the calibration device during specific application. The control system of the calibration device in this embodiment can adopt the Linux system. Of course, according to the actual use requirements, it can also Other operating systems can be used, and this application does not limit this; specifically, the control system of the calibration device includes a front-end interface module, a data storage module, a camera module, an image and text recognition module, a flow meter reading module, a pressure reading module and data Compute module.

Among them, each module in this embodiment communicates through RS485 or Modbus protocol.

In this embodiment, referring to Figure 12, the front-end interface module is used for users to operate and display control data, for example, processed parameter data, and the front-end interface module can be a fixed terminal or a mobile terminal, and the fixed terminal can be a desktop Computers and mobile terminals can be laptops or mobile phones; the data storage module is used to store control data and information about inspection units and verification units. The data storage module in this embodiment uses the myspl database; the camera module is used to collect data from the hydrogenation machine. Image data. The camera module in this embodiment can use a Hikvision network camera; the image text recognition module is used to identify the image data collected by the camera module to obtain the reading data displayed on the display screen of the hydrogenation machine. In this embodiment The image text recognition module can use Baidu Computing Box; the flow meter reading module is used to collect hydrogen flow data in the hydrogen flow channel in real time; the pressure reading module is used to collect the pressure data in the hydrogen flow channel in real time; the data calculation module is used to collect the Organize the data and calculate the test results.

Among them, in this embodiment, the front-end interface module is provided with multiple function buttons, including start function, stop function, data query function, start flow meter reading function, terminate flow meter reading function, start picture reading function, Terminate picture reading function, single indication error function, interval function, acquisition function, clear function, record function, modification function, calibration calculation function and calibration certificate information entry function; specifically, the startup function refers to opening the calculation box camera and serial port , the stop function refers to closing the calculation box camera and serial port, the data query function refers to querying historical calibration records, the starting flow meter reading function refers to the total accumulated data of the flow meter at the beginning, and the termination flow meter reading function refers to the total flow meter reading at the end. Accumulated data, the start picture reading function refers to the hydrogenation machine reading at the beginning, the end picture reading function refers to the hydrogenation machine reading at the end, the single indication error function refers to the data error this time, and the interval function refers to the selected hydrogenation. Machine calibration is distinguished by R1 or R2. The collection function refers to reading the current flow meter flow rate and taking pictures. The clearing function refers to invalidating the collected data when uncontrollable factors occur on site. The recording function refers to recording the collected data in The case cannot be deleted. The modification function refers to manually modifying the image reading when the image recognition is wrong. The calibration calculation function means that when the calibration data of interval R1 and R2 meet more than or equal to 3 pieces of data at the same time, calibration calculation can be performed and the calibration result can be calculated. The calibration certificate information entry function refers to entering the certificate information of this calibration.

Among them, in one embodiment of this application, the camera module mainly reads the video stream information collected by the camera and extracts a frame of image from the video stream information for subsequent processing; the front-end interface module accesses the camera module through the API and enters To the controller layer, the controller layer calls the service layer for business processing and returns the business data.

Among them, in one embodiment of this application, the image and text recognition module mainly performs calculation and processing on a frame of image extracted by the camera module and returns the data; the front-end interface module accesses the image and text recognition module through the API and enters the controller layer. The controller The service layer calls the service layer for business processing and returns business data.

Among them, in one embodiment of the present application, the flow meter reading module mainly reads the cumulative data of the flow meter, reads the current flow data and reads the current temperature data; the front-end interface module accesses the flow meter reading module through the API and enters the controller layer, the controller layer calls the service service layer for business processing and returns business data.

Among them, the control system of the calibration device has the following advantages when used:

1. Unify data sources, systematically analyze and design, coordinate various data sources, and ensure data consistency and validity;

2. By auditing and restricting the data input into the database, the integrity of the database can be improved, and it can prevent legitimate users from adding unsemantic data to the database when using the database;

3. By setting up authentication and authorization mechanisms, the security of the database can be improved to prevent illegal users from using the database or legitimate users from illegally using the database to cause data leakage, alteration or destruction;

4. The design of the database structure takes into account the needs of development and transplantation, and has good scalability, scalability and moderate redundancy;

5. Standardizing the design of the database can reduce exceptions and errors during database insertion, deletion, modification and other operations, and reduce data redundancy.

An embodiment of the present application discloses a terminal, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor. When the processor loads the computer program, it executes the hydrogenation machine calibration method of the above embodiment.

Among them, in one embodiment of the present application, the terminal can be a desktop computer, a laptop computer, a cloud server, etc., and the terminal includes but is not limited to a processor and a memory. For example, the terminal can also include input and output devices, network access devices, and bus etc.

Among them, in one embodiment of the present application, the processor can be a central processing unit (CPU). Of course, depending on the actual usage, other general-purpose processors, digital signal processors (DSP), and application-specific integrated circuits (ASICs) can also be used. ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc., the general processor can be a microprocessor or any conventional processor, etc., this application No restrictions.

In one embodiment of the present application, the memory can be an internal storage unit of the terminal, such as a hard disk or memory of the terminal, or an external storage device of the terminal, such as a plug-in hard disk or smart storage device equipped on the terminal. card (SMC), secure digital card (SD) or flash memory card (FC), etc., and the memory can also be a combination of the internal storage unit of the terminal and an external storage device; the memory is used to store computer programs and other programs required by the terminal. Data, the memory can also be used to temporarily store data that has been output or will be output, and this application does not limit this.

Through the settings of this terminal, the hydrogenation machine calibration method of the above embodiment is stored in the memory of the terminal, and is loaded and executed on the processor of the terminal, so that the user can establish contact with the device through the terminal and query the device processing Good content.

An embodiment of the present application discloses a computer-readable storage medium, and a computer program is stored in the computer-readable storage medium. When the computer program is loaded by the processor, the hydrogenation machine calibration method of the above embodiment is executed.

Among them, in one embodiment of the present application, the computer program can be stored in a computer-readable storage medium. The computer program includes computer program code. The computer program code can be in the form of source code, object code, executable file or some intermediate file. Computer-readable storage media include any entity or device that can carry computer program code, recording media, USB flash drives, mobile hard drives, magnetic disks, optical disks, computer memory, read-only memory (ROM), random access memory ( RAM), electrical carrier signals, telecommunications signals, software distribution media, etc. It should be noted that computer-readable storage media include but are not limited to the above components.

Through the arrangement of the computer-readable storage medium, the hydrogenation machine calibration method of the above embodiment is stored in the computer-readable storage medium, and is loaded and executed on the processor. The computer-readable storage medium is loaded into any computer. Afterwards, any computer can execute the hydrogenation machine calibration method of the above embodiment.

The examples of this specific implementation mode are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. The same components are represented by the same reference numerals. Therefore: all equivalent changes made based on the structure, shape, and principle of this application should be covered by the protection scope of this application.

Claims (10)

1. A method for testing a hydrogenation machine, comprising:

connecting a verification device between a hydrogenation machine and a hydrogen storage device in response to a request to construct a hydrogen flow channel between the hydrogenation machine, the verification device and the hydrogen storage device;

acquiring verification related data and constructing a verification model according to the verification related data;

and carrying out verification analysis on the hydrogenation condition of the hydrogenation machine according to the verification model to obtain an analysis result.

2. The method according to claim 1, wherein the obtaining the verification-related data and constructing the verification model according to the verification-related data specifically comprises:

starting the hydrogenation machine, and starting to supply air by the hydrogenation machine;

acquiring flow data in the hydrogen flow channel in real time through a high-precision mass flowmeter in the calibrating device;

and constructing a first model according to the flow data and the acquisition time.

3. The method for calibrating a hydrogenation machine according to claim 2, wherein the calibrating analysis is performed on the hydrogenation condition of the hydrogenation machine according to the calibrating model to obtain a calibrating result, and specifically comprises:

judging whether the hydrogenation machine has an automatic shutdown function according to the first model;

if the flow data does not fluctuate within a preset time period, the hydrogenation machine is determined to have an automatic shutdown function;

and if the flow data fluctuates within the preset time period, the hydrogenation machine is judged to have no automatic shutdown function.

4. The method according to claim 1, wherein the obtaining the verification-related data and constructing the verification model according to the verification-related data specifically comprises:

starting the hydrogenation machine, and starting to supply air by the hydrogenation machine;

closing the air inlets of the hydrogenation machine and the hydrogen storage device after the first time;

collecting pressure data in the hydrogen circulation channel in real time through a high-precision pressure transmitter of the calibrating device;

and constructing a second model according to the pressure data and the acquisition time.

5. The method for calibrating a hydrogenation machine according to claim 4, wherein the calibrating analysis is performed on the hydrogenation condition of the hydrogenation machine according to the calibrating model to obtain a calibrating result, and the method specifically comprises the following steps:

judging whether the air tightness of the hydrogen circulation channel meets the standard according to the second model;

if the fluctuation value of the pressure data in the second time is in the first threshold range, the air tightness of the hydrogen circulation channel is confirmed to be in accordance with the standard;

and if the fluctuation value of the pressure data in the second time is not in the first threshold range, judging that the air tightness of the hydrogen flow channel does not accord with the standard.

6. The method of claim 2 or 3, further comprising:

collecting image data of the hydrogenation machine;

processing the image data to obtain dial parameter data of the hydrogenation machine;

judging whether the hydrogenation machine is in a stable use state according to the flow data and the dial parameter data;

if the flow data is consistent with the dial parameter data, the hydrogenation machine is determined to be in a stable use state;

and if the flow data is inconsistent with the dial parameter data, the hydrogenation machine is not in a stable use state.

7. The method of claim 6, further comprising:

acquiring weighing data of the hydrogen storage device;

judging whether the flow data and/or the dial parameter data are accurate or not according to the weighing data;

if the flow data and/or the dial parameter data are consistent with the weighing data, the flow data and/or the dial parameter data are determined to be accurate;

and if the flow data and/or the dial parameter data are inconsistent with the weighing data, determining that the flow data and/or the dial parameter data are inaccurate.

8. A hydrotreater calibration device, comprising:

a response module (1) for connecting a verification device between a hydrogenation machine and a hydrogen storage device in response to a request to construct a hydrogen flow channel between the hydrogenation machine, the verification device and the hydrogen storage device;

the construction module (2) is used for acquiring verification related data and constructing a verification model according to the verification related data;

and the analysis module (3) is used for carrying out verification analysis on the hydrogenation condition of the hydrogenation machine according to the verification model to obtain an analysis result.

9. A terminal comprising a memory, a processor and a computer program stored in the memory and capable of running on the processor, characterized in that the processor performs the method of any of claims 1-7 when the computer program is loaded by the processor.

10. A computer readable storage medium having a computer program stored therein, characterized in that the computer program, when loaded by a processor, performs the method of any of claims 1-7.