CN109855707B - Oil gun verification information input system and method based on two-dimensional code - Google Patents
Oil gun verification information input system and method based on two-dimensional code Download PDFInfo
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- CN109855707B CN109855707B CN201910183208.4A CN201910183208A CN109855707B CN 109855707 B CN109855707 B CN 109855707B CN 201910183208 A CN201910183208 A CN 201910183208A CN 109855707 B CN109855707 B CN 109855707B
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Abstract
The invention discloses a system and a method for inputting verification information of a refueling gun based on two-dimensional codes, which relate to the field of refueling machine verification, and can realize the information association between a verification mechanism and the refueling gun to be detected by using the scheme provided by the invention, the refueling gun information of the refueling gun is deployed in a cloud server, so that the effects of one-time input and long-term storage and use are realized, in the verification process, a verification worker can rapidly acquire oil gun information from the cloud server by using the verification handheld terminal and can also rapidly upload verification data to be recorded, the intelligent management terminal can synchronously acquire the verification data from the cloud server and automatically generate verification results, the workload of manual recording is avoided, thereby avoided artifical the inefficiency that types and lead to, the big condition of error rate, this scheme provides powerful technical support for light and accurate examination tanker aircraft, has promoted wisdom measurement ability level again simultaneously.
Description
Technical Field
The invention relates to the field of oil gun verification, in particular to an oil gun verification information input system and method based on two-dimensional codes.
Background
The fuel oil charger is a compulsory verification measuring instrument for gasoline and diesel trade settlement, and the settlement method is that the volume of the oil outlet of the fuel gun opening is multiplied by the unit price, namely the amount of the oil to be added, so that the volume of the oil outlet of the fuel gun opening directly influences the fairness of the trade settlement and simultaneously directly influences the vital interests of two parties in trade. In order to ensure accurate and fair metering, each fuel dispenser needs to be calibrated regularly by a national metrological verification organization, and a gas station needs to perform self-calibration regularly on each fuel dispenser.
At present, when a fuel gun of a fuel dispenser is checked on site, a checker needs to record various fuel gun information of the fuel gun at first, the fuel gun information of each fuel gun contains a lot of contents and must contain fuel station information, fuel dispenser information and fuel gun information, the fuel station information contains the name, address and contact way and the like of a checked unit of the fuel station, the fuel dispenser information contains the manufacturer, specification and model of the fuel dispenser, factory serial number, factory date and the like, and the fuel gun information contains the serial number, instrument identification number, checking medium, last checking date, valid period, three lead seal numbers and the like of the fuel gun. After the calibrating personnel records the oil gun information in the table of the paper original record, calibrating the oil gun of the oiling machine by a volume comparison method to obtain various calibration data and calibration conclusions, and recording the calibration data and the calibration conclusions in the table of the paper original record, specifically: adding a certain amount of oil into a standard metal measuring device by a detected oil gun, reading the scale degree of a glass scale on the standard metal measuring device by a visual measurement method, measuring the oil outlet temperature of the muzzle of the detected oil gun and the internal temperature of the container after oil filling by a thermometer respectively, calculating the corresponding oil filling amount by a manual work through a formula by using the scale degree of the glass scale, the oil outlet temperature of the muzzle and the internal temperature of the container after oil filling, and judging whether the detection is qualified. According to the requirements of verification regulations, 6 data points need to be verified every time the oil gun is normally verified, 1 data point needs to be executed once according to the flow, whether the oil gun to be detected is qualified or not is finally judged after 6 times of verification is completed, if the oil gun to be detected is qualified, a qualified verification label is pasted for use, and if the oil gun to be detected is not qualified, the oil gun to be detected is not used. The table of the paper raw records obtained by the final certifier is shown as the following table:
after returning to the unit, the certifier needs to input the oil gun information, the certification data and the certification conclusion in the paper original record into the computer, then signs the name of the certifier, finally generates a complete qualified certification statement, prints the certification statement and delivers the certification statement to the client for inspection. As can be seen from the above, the conventional verification process at present depends very much on manual operation of a verification worker, which is time-consuming and inefficient, according to actual operation experience, the verification worker needs 3-5 minutes to search oil gun information on a verification site, and needs 3-5 minutes to fill the oil gun information into a paper original record after the oil gun information is searched, the filling of the oil gun information takes 6-10 minutes, and the number of oil guns verified by each technical organization every year is usually thousands, so that the time spent on the filling of the oil gun information is huge, and other information in the verification process needs time. On the other hand, the accuracy of manual operation is difficult to guarantee, errors are easy to occur to cause deviation of verification results, and the accuracy and the fairness of metrological verification are also difficult to guarantee.
Disclosure of Invention
The invention provides a system and a method for inputting verification information of an oil gun based on a two-dimensional code aiming at the problems and the technical requirements, so that the automation degree of the verification process of the oil gun is improved, and the verification efficiency and accuracy are improved.
The technical scheme of the invention is as follows:
the utility model provides a nozzle verification information entry system based on two-dimensional code, is including examining the nozzle, and this system includes: the system comprises a cloud server, an intelligent management terminal, a verification handheld terminal, an automatic verification device and a printer; the intelligent management terminal is terminal equipment used by a refueling gun verification mechanism, refueling gun verification management software is installed in the intelligent management terminal, the intelligent management terminal is connected with a cloud server through a network, and the intelligent management terminal is also connected with a printer; the verification handheld terminal is a handheld mobile device used by a refueling gun verification worker on a verification site, comprises a processor, and a display screen, a bar code scanning module and a network communication transmission module which are respectively connected with the processor, and also provides an external communication interface; the verification handheld terminal is connected with the cloud server through the network communication transmission module by using a network;
the automatic calibrating device is standard equipment used by a fuel gun calibrating mechanism and used for calibrating a tested fuel gun, and comprises a standard metal measuring device and a data collector, wherein a gun muzzle temperature sensor used for detecting the muzzle temperature of the tested fuel gun is arranged on a filler neck of the standard metal measuring device, and an in-device temperature sensor used for detecting the temperature in the standard metal measuring device is arranged in the standard metal measuring device; the data collector comprises a processor, a magnetostrictive liquid level meter and an environment temperature and humidity sensor, wherein the magnetostrictive liquid level meter and the environment temperature and humidity sensor are connected with the processor; the processor of the data acquisition unit also provides an external communication interface, and the verification handheld terminal is connected with the data acquisition unit in the automatic verification device through the communication interface.
The further technical scheme is that the network communication transmission module in the verification handheld terminal comprises a communication module with the model number of Air800 and an SIM card connected with the communication module, and the verification handheld terminal comprising the Air800 communication module supports the GPRS communication function and the GNSS positioning function.
A method for inputting verification information of a fuel gun based on two-dimensional codes is applied to the system and comprises the following steps:
for each oil gun, before the oil gun is subjected to primary verification, the intelligent management terminal records oil gun information of the oil gun into a cloud server, and the cloud server stores the oil gun information of each oil gun;
in a verification site, an oil filling port of the automatic verification device is connected with an oil outlet of a detected oil gun, and a verification handheld terminal is connected with a data acquisition unit in the automatic verification device through a communication interface;
the automatic calibrating device automatically calibrates the detected oil gun, the calibrating handheld terminal synchronously acquires the measurement data acquired by the automatic calibrating device in the calibrating process, and generates calibrating data of the detected oil gun according to the measurement data;
the verification handheld terminal scans the two-dimensional code label of the detected oil gun to determine the identification information of the detected oil gun and sends verification data and the identification information to the cloud server;
the cloud server is used for positioning to the detected oil gun according to the identification information and correspondingly storing the verification data and the oil gun information of the detected oil gun;
the intelligent management terminal acquires oil gun information and verification data of the detected oil gun from the cloud server and generates a verification result of the detected oil gun according to the oil gun information and the verification data, the intelligent management terminal prints the verification result through a printer and uploads the verification result to the cloud server, and the cloud server correspondingly stores the verification result and the oil gun information and the verification data of the detected oil gun.
The further technical scheme is that the method also comprises the following steps:
for each oil gun, the intelligent management terminal records oil gun information of the oil gun into the cloud server, and simultaneously generates a two-dimensional code label of the oil gun according to identification information of the oil gun, wherein the identification information is used for uniquely identifying one oil gun;
the intelligent management terminal prints the two-dimensional code label through the printer, and the two-dimensional code label is used for pasting on the nozzle, and the two-dimensional code label adopts the preparation of water droplet glue form to form.
The further technical scheme is that verification data of the detected oil filling gun is generated according to the measurement data, and the verification data comprises the following steps:
the method comprises the steps that a handheld terminal is verified to scan a two-dimensional code of a lead seal structure to obtain lead seal data, wherein the lead seal structure comprises but is not limited to an encoder lead seal, a flow measurement converter lead seal and a main board lead seal;
and the verification handheld terminal generates verification data of the detected fuel gun according to the measurement data and the lead seal data.
The further technical scheme is that the method also comprises the following steps:
the verification handheld terminal acquires oil gun information of the detected oil gun from the cloud server according to the identification information of the detected oil gun and displays the oil gun information;
the verification handheld terminal modifies the oil gun information of the detected oil gun and uploads the modified oil gun information to the cloud server;
and the cloud server updates the stored oil gun information of the detected oil gun into the modified oil gun information.
The beneficial technical effects of the invention are as follows:
the invention discloses a system and a method for inputting verification information of a fuel gun based on two-dimensional codes, which can realize the information association between a verification mechanism and the detected fuel gun by using the scheme provided by the invention, the fuel gun information of the fuel gun is deployed in a cloud server to realize the effects of one-time input and long-term storage and use, in the verification process, a verification worker can rapidly acquire oil gun information from the cloud server by using the verification handheld terminal and can also rapidly upload verification data to be recorded, the intelligent management terminal can synchronously acquire the verification data from the cloud server and automatically generate verification results, the workload of manual recording is avoided, thereby avoided artifical the inefficiency that types and lead to, the big condition of error rate, this scheme provides powerful technical support for light and accurate examination tanker aircraft, has promoted wisdom measurement ability level again simultaneously.
Drawings
FIG. 1 is a system block diagram of a fueling gun verification information entry system of the present invention.
FIG. 2 is an information flow diagram of the fueling gun verification information entry method of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
The invention discloses a method for inputting verification information of a fuel nozzle based on two-dimensional codes, which is applied to a system shown in figure 1, and the system comprises a cloud server 1, an intelligent management terminal 2, a verification handheld terminal 3, an automatic verification device 4 and a printer 5. The cloud server 1 is used for providing background management service. The intelligent management terminal 2 is a terminal device used by a fuel gun verification mechanism, the intelligent management terminal 2 has a network communication function and is connected with the cloud server 1 through a network, fuel gun verification management software is installed in the intelligent management terminal 2 and is used for providing functions of information entry, two-dimensional code generation, cloud data downloading, automatic record generation, certificates and the like. The intelligent management terminal 2 is further connected with a printer 5, and the printer 5 is used for printing the two-dimensional code, the record and the certificate generated by the intelligent management terminal 2.
The handheld terminal 3 of examination is the handheld mobile device that the oil gun verification personnel used at the verification scene, the handheld terminal 3 of examination includes the treater and the display screen that links to each other with the treater respectively, bar code scanning module and network communication transmission module, examination handheld terminal 3 adopts the model to be STM32F407VGT 6's treater in this application, the treater passes through parallel communication interface connection display screen, pass through RS232 communication interface connection bar code scanning module, pass through another RS232 communication interface connection network communication transmission module. The display screen in this application adopts the liquid crystal display that the model is JMT035QVTHN-01, the bar code scanning module adopts the model to be the module of GM65, network communication transmission module includes that the model is Air 800's communication module and the SIM card that links to each other, Air800 communication module provides GPRS communication function and GNSS locate function for examining and determine handheld terminal 3, the cooperation supports the SIM card of 4G communication and can realize 4G network communication function, make it can pass through network and internet access cloud end server 1 to examine and determine handheld terminal 3. In addition, the processor of the verification handheld terminal 3 provides an RS2323 communication interface for external communication. In addition, the verification handheld terminal 3 also comprises other necessary modules, such as a data storage module connected with a processor, and the data storage module with the model number of AT45DB321D is adopted in the application, so that the verification handheld terminal 3 has a basic data storage function; for example, a key module connected with the processor enables the verification of the handheld terminal 3 to realize human-computer interaction; for example, the verification handheld terminal 3 may communicate with the outside in a USB manner through a USB interface connected to the OTG interface of the processor, and a 3.7V lithium battery pack is further built in the verification handheld terminal 3. The detailed circuit structure of the handheld terminal 3 can be verified by referring to the patent with application number 2018211820281 previously filed by the applicant, and the detailed description of the present application is omitted.
The automatic calibrating device 4 is a standard device used by a fuel gun calibrating mechanism for calibrating a fuel gun to be calibrated, the automatic calibrating device 4 comprises a standard metal measuring device and a data collector, and the structure of the standard metal measuring device can refer to a patent with the application number of 201620588989.7 previously applied by the applicant, which is not described in detail in the present application. A muzzle temperature sensor used for detecting the muzzle temperature of the detected oil filling gun is arranged on the oil filling neck of the standard metal measuring device, an intra-device temperature sensor used for detecting the intra-device temperature of the standard metal measuring device is arranged in the standard metal measuring device, the muzzle temperature sensor and the intra-device temperature sensor both adopt PT100 (platinum resistor), and each temperature sensor adopts a four-wire wiring mode. The data acquisition unit comprises a processor, a magnetostrictive liquid level meter and an environment temperature and humidity sensor, the magnetostrictive liquid level meter and the environment temperature and humidity sensor are connected with the processor, the magnetostrictive liquid level meter extends into the standard metal measuring device through a measuring neck of the standard metal measuring device, and the data acquisition unit is further connected with the muzzle temperature sensor and the temperature sensor in the device respectively, so that the data acquisition unit can acquire data of the muzzle temperature sensor, the temperature sensor in the device, the magnetostrictive liquid level meter and the environment temperature and humidity sensor. The processor of the data collector of the automatic calibrating device 4 also provides an external communication interface, and the data collector of the calibrating handheld terminal 3 and the data collector of the automatic calibrating device 4 are connected through the communication interface.
Based on the system disclosed by the application, the flow of the method for inputting the verification information of the fuel nozzle disclosed by the application comprises the following steps, and the information flow chart refers to fig. 2:
step S01, for each oil gun in the domain of the oil gun verification mechanism, before the oil gun is primarily verified, the intelligent management terminal 2 records the oil gun information of the oil gun into oil gun verification management software, so that the oil gun information is uploaded to the cloud server 2, and the corresponding cloud server 2 stores the oil gun information of each oil gun. The oil gun information includes, but is not limited to, information of a gas station where the oil gun is located, information of a fuel dispenser to which the oil gun belongs, and oil gun information, the information of the gas station where the oil gun is located includes, but is not limited to, name, geographical location information, and contact information of the gas station, the information of the fuel dispenser to which the oil gun belongs includes, but is not limited to, manufacturer, specification model, factory number, and factory date of the fuel dispenser, and the oil gun information includes, but is not limited to, serial number, instrument identification number, oil gun number, certification medium, last certification date, expiration date, encoder lead seal number, motherboard lead seal number, and flow measurement converter lead seal number of the oil gun.
Meanwhile, the intelligent management terminal 2 generates the two-dimensional code label of the oil gun according to the identification information of the oil gun, so that the corresponding association of the two-dimensional code label and the oil gun is realized, the identification information can be information which is randomly used for uniquely identifying the oil gun, a conventional method is that an appliance identification number or a serial number of the oil gun is selected as the identification information of the oil gun to generate the two-dimensional code label, and then the two-dimensional code label is printed out through a printer 5 and is used for being pasted on a proper position of the oil gun. The two-dimensional code label is made in a water-drop glue mode, is waterproof and oil-proof, and is not easy to wear.
And step S02, inserting the detected oil gun into the automatic detection device 4 to realize the connection between the oil filling port of the automatic detection device 4 and the oil outlet of the detected oil gun at the oil filling machine detection site. And then the verification handheld terminal 3 is directly connected with a data acquisition unit in the automatic verification device 4 through a communication interface in a physical connection mode. At the moment, the verification handheld terminal 3 scans the two-dimensional code label of the detected oil gun to directly determine the identification information of the detected oil gun, and the specific content of the identification information obtained by scanning the code by the verification handheld terminal 3 is determined by the information used for generating the two-dimensional code label. For example, in the conventional practice of the above example, if the two-dimensional code tag is generated by using the appliance identification number or serial number of the fueling gun, the identification information obtained by scanning the code is the appliance identification number or serial number of the fueling gun to be tested. After the identification information of the detected oil gun is determined, the verification handheld terminal 3 can jump to a verification interface, acquire the oil gun information of the detected oil gun from the cloud server 1 through the identification information, and then display the identification information of the detected oil gun and the oil gun information on a display screen, so that verification personnel can check the oil gun and check the oil gun conveniently.
Step S03, at this time, the detected fueling gun is used to fill oil into the automatic calibrating device 4, so as to realize the automatic calibration of the detected fueling gun by the automatic calibrating device 4, and the automatic calibrating device 4 can acquire various measurement data including but not limited to the muzzle temperature, the in-device temperature, the liquid level height and the environment temperature and humidity through the data acquisition unit in the calibrating process. The detection hand-held terminal 3 is connected with the data collector in the automatic verification device 4, so that the detection hand-held terminal 3 can synchronously collect the measurement data in the verification process, the detection hand-held terminal 3 is internally provided with a processor, so that the measurement data can be automatically sampled, the indication value error can be automatically calculated according to a pre-configured calculation mode, whether the measurement data is qualified or not is judged, and if the measurement data is not qualified, the flow converter and the like can be adjusted for verification. If the adjustment is executed, the adjusted lead seal data is required to be input in the step, the two-dimensional code of the lead seal structure is scanned by the verification handheld terminal 3 to obtain the lead seal data, the operation is convenient and fast, and the lead seal structure comprises but is not limited to a coder lead seal, a flow measurement converter lead seal and a mainboard lead seal.
Finally, the verification handheld terminal 3 generates verification data of the detected fueling gun according to the measurement data generated in the verification process or the measurement data and the lead seal data, the detection handheld terminal 3 sends the verification data to the cloud server 1, the cloud server is located to the detected fueling gun in the step S02, and then the verification data and the fueling gun information of the detected fueling gun can be correspondingly stored. Meanwhile, the verification data can be inquired on the verification handheld terminal 3, and if the verification handheld terminal 3 has a data storage function, the verification handheld terminal 3 can store the verification data at the same time.
In the verification process, the verification handheld terminal 3 can upload verification data, and if oil gun information needs to be updated in a discovery mode, the oil gun information can be updated synchronously directly through the verification handheld terminal 3 without re-entering in the intelligent management terminal 2, specifically: the verification handheld terminal 3 acquires oil gun information of the detected oil gun from the cloud server 1 according to identification information of the detected oil gun and displays the oil gun information, if the oil gun information needs to be modified, a verification worker directly modifies the oil gun information in the verification handheld terminal 3, then the verification handheld terminal 3 uploads the modified oil gun information to the cloud server 1, the cloud server 1 updates the stored oil gun information of the detected oil gun into the modified oil gun information, and information updating is achieved.
Step S04, after the verification data is uploaded, the intelligent management terminal 2 may download the verification data through the cloud data download function of the fueling gun verification management software, for example, the verification data may be downloaded locally in a date manner, at this time, the fueling gun verification management software may obtain the corresponding fueling gun information from the cloud server 1 and automatically fill in the fueling gun information at the same time, and the fueling gun information does not need to be recorded again. Meanwhile, the intelligent management terminal 2 can automatically calculate verification data, then a verification result of the detected oil gun is generated according to oil gun information and the verification data, the verification result comprises but is not limited to verification original records and verification certificates, the intelligent management terminal 2 can print out the verification result through the printer 5, the verification result is uploaded to the cloud server 1, the cloud server 1 correspondingly stores the verification result and the oil gun information and the verification data of the detected oil gun, a two-dimensional code label of the oil gun provides identification information of the oil gun during verification, the verification result of the oil gun can be obtained by daily use of a mobile phone for the people, and therefore civil metering is more transparent.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiment. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and concept of the present invention are to be considered as included within the scope of the present invention.
Claims (6)
1. The utility model provides a nozzle verification information entry system based on two-dimensional code, is including examining the nozzle, its characterized in that, the system includes: the system comprises a cloud server, an intelligent management terminal, a verification handheld terminal, an automatic verification device and a printer; the intelligent management terminal is terminal equipment used by a refueling gun verification mechanism, refueling gun verification management software is installed in the intelligent management terminal, the intelligent management terminal is connected with the cloud server through a network, and the intelligent management terminal is also connected with the printer; the verification handheld terminal is a handheld mobile device used by a refueling gun verification worker on a verification site, and comprises a processor, a display screen, a bar code scanning module and a network communication transmission module which are respectively connected with the processor, and the processor of the verification handheld terminal also provides an external communication interface; the verification handheld terminal is connected with the cloud server through the network communication transmission module by using a network;
the automatic calibrating device is standard equipment used by a fuel gun calibrating mechanism and used for calibrating the fuel gun to be tested, the automatic calibrating device comprises a standard metal measuring device and a data collector, a gun muzzle temperature sensor used for detecting the gun muzzle temperature of the fuel gun to be tested is arranged on a fuel neck of the standard metal measuring device, and an in-device temperature sensor used for detecting the temperature in the standard metal measuring device is arranged in the standard metal measuring device; the data collector comprises a processor, a magnetostrictive liquid level meter and an environment temperature and humidity sensor, wherein the magnetostrictive liquid level meter and the environment temperature and humidity sensor are connected with the processor; the processor of the data acquisition unit is also provided with an external communication interface, and the verification handheld terminal is connected with the data acquisition unit in the automatic verification device through the communication interface;
the system comprises a cloud server, an automatic calibrating device, a handheld calibrating terminal and a plurality of oil gun detection terminals, wherein the cloud server stores oil gun information of each oil gun, the automatic calibrating device automatically calibrates the oil gun to be calibrated, the handheld calibrating terminal synchronously acquires measurement data acquired by the automatic calibrating device in a calibrating process, and calibration data of the oil gun to be calibrated are generated according to the measurement data; the verification handheld terminal scans the two-dimensional code label of the detected oil gun to determine the identification information of the detected oil gun, and sends the verification data and the identification information to the cloud server, and the cloud server is positioned to the detected oil gun according to the identification information and correspondingly stores the verification data and the oil gun information of the detected oil gun.
2. The system of claim 1, wherein the network communication transmission module in the verification handheld terminal comprises a communication module of type Air800 and a SIM card connected with the communication module, and the verification handheld terminal comprising the Air800 communication module supports GPRS communication functions and GNSS positioning functions.
3. A method for inputting verification information of a fuel nozzle based on two-dimensional codes, which is applied to the system as claimed in claim 1 or 2, and is characterized by comprising the following steps:
for each oil gun, before the oil gun is subjected to primary verification, the intelligent management terminal inputs oil gun information of the oil gun into a cloud server, and the cloud server stores the oil gun information of each oil gun;
in a verification site, an oil filling port of the automatic verification device is connected with an oil outlet of a detected oil gun, and a verification handheld terminal is connected with a data acquisition unit in the automatic verification device through a communication interface;
the automatic calibrating device automatically calibrates the detected oil gun, and the calibrating handheld terminal synchronously acquires the measurement data acquired by the automatic calibrating device in the calibrating process and generates calibrating data of the detected oil gun according to the measurement data;
the verification handheld terminal scans the two-dimensional code label of the detected oil gun to determine the identification information of the detected oil gun and sends verification data and the identification information to the cloud server;
the cloud server is positioned to the detected oil gun according to the identification information, and correspondingly stores the verification data and the oil gun information of the detected oil gun;
the intelligent management terminal is followed acquire in the high in the clouds server oil gun information and the verification data of examining the nozzle and according to oil gun information and verification data generate examine the verification result of nozzle, the intelligent management terminal passes through the printer and prints the verification result and will the verification result is uploaded to the high in the clouds server, the high in the clouds server will the verification result with the oil gun information and the verification data of examining the nozzle correspond the storage.
4. The method of claim 3, further comprising:
for each oil gun, the intelligent management terminal records oil gun information of the oil gun into the cloud server, and simultaneously generates a two-dimensional code label of the oil gun according to identification information of the oil gun, wherein the identification information is used for uniquely identifying one oil gun;
the intelligent management terminal prints the two-dimensional code label through the printer, the two-dimensional code label is used for being pasted on the oil gun, and the two-dimensional code label is made in a water-drop glue mode.
5. The method of claim 3, wherein generating certification data for the checked fuel gun from the measurement data comprises:
the verification handheld terminal scans a two-dimensional code of a lead seal structure to obtain lead seal data, wherein the lead seal structure comprises but is not limited to an encoder lead seal, a flow measurement converter lead seal and a main board lead seal;
and the verification handheld terminal generates verification data of the detected fuel gun according to the measurement data and the lead seal data.
6. The method of claim 3, further comprising:
the verification handheld terminal acquires oil gun information of the detected oil gun from the cloud server according to the identification information of the detected oil gun and displays the oil gun information;
the verification handheld terminal modifies the oil gun information of the detected oil gun and uploads the modified oil gun information to the cloud server;
and the cloud server updates the stored oil gun information of the detected oil gun into the modified oil gun information.
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