Method, device, system and medium for calculating component weight of large-volume gas cylinder

Abstract

The present application relates to the technical field of metering and weighing, and particularly relates to a method, device, system and medium for calculating the component weight of a large-volume gas cylinder. The method comprises the following steps: first, determining the first preset length ratio of the first pipeline and the second pipeline according to the volume parameters of the first and second receiving gas cylinders, and then combining the geometric characteristics of the pipelines to calculate the total volume of the two pipelines. Subsequently, the controller synchronously controls the opening of the relevant valves, and after the gas is stably transmitted for a preset time, the valves are closed. The first and second scales are used to collect the gas mass change data of the gas source cylinder and the first receiving gas cylinder. Then, the gas change amount of the second receiving gas cylinder is calculated using the law of conservation of mass. Considering the actual influencing factors, the second preset length ratio is optimized according to the gas change amounts of the two receiving gas cylinders, so as to obtain a more actual second preset length ratio. Finally, based on the ratio, the relevant steps are repeated to obtain the component weight of the second receiving gas cylinder.

Description

Technical Field

[0001] This invention relates to the field of metrological weighing technology, and in particular to a method, apparatus, system and medium for calculating the component weight of a large-volume gas cylinder. Background Technology

[0002] Currently, when weighing large-volume gas cylinders (such as 40L cylinders), the Mettler Toledo ICS435 balance is commonly used. This balance has a graduation of 1g and a weighing range of 0-150kg. However, in actual weighing processes, the accuracy and stability of the weighing results are difficult to guarantee due to various factors such as environment and operating techniques. Because large-volume gas cylinders are inherently heavy, the actual error may exceed 5% when performing weighing operations such as adding gas, severely affecting data accuracy and failing to meet high-precision weighing requirements.

[0003] Based on this, the present invention proposes a method for calculating the component weight of large-volume gas cylinders to solve the above-mentioned technical problems. Summary of the Invention

[0004] This invention describes a method for calculating the component weights of large-volume gas cylinders, which can accurately calculate the component weights of large-volume gas cylinders.

[0005] This invention provides a method for calculating the component weight of a large-volume gas cylinder, applied to the controller of a component weight calculation system for large-volume gas cylinders. The component weight calculation system includes a gas source cylinder, a first pipeline, a second pipeline, a first receiving cylinder, a second receiving cylinder, a first balance, a second balance, a gas source switch valve, a first switch valve, a second switch valve, and the controller. The gas source cylinder, the first pipeline, and the first receiving cylinder are connected sequentially. The gas source cylinder, the second pipeline, and the second receiving cylinder are also connected sequentially. The controller is electrically connected to the first balance, the second balance, the gas source switch valve, the first switch valve, and the second switch valve. The gas source cylinder is mounted on the first balance, the first receiving cylinder is mounted on the second balance, the gas source switch valve is located at the outlet of the gas source cylinder, the first switch valve is located at the inlet of the first receiving cylinder, and the second switch valve is located at the inlet of the second receiving cylinder. The volume of the first receiving cylinder is smaller than the volume of the second receiving cylinder. The method includes:

[0006] Step S1: Based on the volumes of the first receiving gas cylinder and the second receiving gas cylinder, determine the first preset length ratio of the first pipeline and the second pipeline;

[0007] Step S2: Determine the total volume of the first pipeline and the second pipeline based on the first preset length ratio;

[0008] Step S3: Control the gas source switch valve, the first switch valve and the second switch valve to open simultaneously. After a preset time, control the gas source switch valve, the first switch valve and the second switch valve to close simultaneously. Use the first balance and the second balance to determine the gas change of the gas source cylinder and the first receiving cylinder at this time.

[0009] Step S4: Based on the total volume, the gas change of the gas source cylinder and the first receiving cylinder, determine the gas change of the second receiving cylinder;

[0010] Step S5: Based on the gas change in the first receiving gas cylinder and the second receiving gas cylinder, determine the second preset length ratio of the first pipeline and the second pipeline;

[0011] Step S6: Based on the second preset length ratio, repeat steps S3 and S4 to calculate the actual component weight of the second receiving gas cylinder.

[0012] Secondly, embodiments of the present invention also provide a component weight calculation device for a large-volume gas cylinder, applied to a controller of a component weight calculation system for a large-volume gas cylinder. The component weight calculation system includes a gas source cylinder, a first pipeline, a second pipeline, a first receiving cylinder, a second receiving cylinder, a first balance, a second balance, a gas source switch valve, a first switch valve, a second switch valve, and the controller. The gas source cylinder, the first pipeline, and the first receiving cylinder are connected sequentially. The gas source cylinder, the second pipeline, and the second receiving cylinder are also connected sequentially. The controller is electrically connected to the first balance, the second balance, the gas source switch valve, the first switch valve, and the second switch valve, respectively. The gas source cylinder is disposed on the first balance, the first receiving cylinder is disposed on the second balance, the gas source switch valve is disposed at the outlet of the gas source cylinder, the first switch valve is disposed at the inlet of the first receiving cylinder, and the second switch valve is disposed at the inlet of the second receiving cylinder. The volume of the first receiving cylinder is smaller than the volume of the second receiving cylinder. The device includes:

[0013] The first data processing unit is configured to perform step S1: determine a first preset length ratio of the first pipeline and the second pipeline based on the volumes of the first receiving gas cylinder and the second receiving gas cylinder;

[0014] The second data processing unit is configured to, in step S2, determine the total volume of the first pipeline and the second pipeline based on the first preset length ratio;

[0015] The third data processing unit is configured to, in step S3, control the gas source switch valve, the first switch valve and the second switch valve to open simultaneously, and after a first preset time, control the gas source switch valve, the first switch valve and the second switch valve to close simultaneously, and use the first balance and the second balance to determine the gas change of the gas source cylinder and the first receiving cylinder at this time.

[0016] The fourth data processing unit is configured to, in step S4, determine the gas change in the second receiving cylinder based on the total volume, the gas source cylinder, and the gas change in the first receiving cylinder.

[0017] The fifth data processing unit is configured to, in step S5, determine a second preset length ratio between the first pipeline and the second pipeline based on the gas change in the first receiving gas cylinder and the second receiving gas cylinder.

[0018] The sixth data processing unit is configured to, in step S6, re-execute steps S3 and S4 based on the second preset length ratio, and calculate the actual component weight of the second receiving gas cylinder.

[0019] Thirdly, embodiments of this specification also provide a component weight calculation system, characterized in that it includes a gas source cylinder, a first pipeline, a second pipeline, a first receiving cylinder, a second receiving cylinder, a first balance, a second balance, a gas source switch valve, a first switch valve, a second switch valve, and a controller. The gas source cylinder, the first pipeline, and the first receiving cylinder are connected in sequence, as are the gas source cylinder, the second pipeline, and the second receiving cylinder. The controller is electrically connected to the first balance, the second balance, the gas source switch valve, the first switch valve, and the second switch valve. The gas source cylinder is disposed on the first balance, the first receiving cylinder is disposed on the second balance, the gas source switch valve is disposed at the outlet of the gas source cylinder, the first switch valve is disposed at the inlet of the first receiving cylinder, and the second switch valve is disposed at the inlet of the second receiving cylinder. The volume of the first receiving cylinder is smaller than the volume of the second receiving cylinder. The controller is used to execute the method described in any embodiment of this specification.

[0020] Fourthly, embodiments of this specification also provide an electronic device, including a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, it implements the method described in any embodiment of this specification.

[0021] Fifthly, embodiments of this specification also provide a computer-readable storage medium having a computer program stored thereon, which, when executed in a computer, causes the computer to perform the methods described in any embodiment of this specification.

[0022] According to the method for calculating the component weight of a large-volume gas cylinder provided by the present invention, firstly, based on the volume parameters of the first and second receiving gas cylinders, a first preset length ratio between the first and second pipelines is determined. Then, based on this ratio and combined with the pipeline's geometric characteristics, the total volume of the first and second pipelines is further calculated. Next, the controller synchronously controls the opening of the gas source switch valve, the first switch valve, and the second switch valve, allowing the gas to flow stably in the pipeline system. After a preset time is reached, the valves are quickly closed. At this time, relying on the first and second balances electrically connected to the controller, the gas mass change of the gas source cylinder and the first receiving gas cylinder is collected and recorded in real time. Then, based on the acquired total pipeline volume, gas source cylinder, and first receiving gas cylinder gas change data, combined with the law of conservation of mass, the gas change of the second receiving gas cylinder is calculated. Since the first preset length ratio only considers the influence of volume parameters on the pipe length ratio, and in actual experimental environments, the pipe length ratio is also affected by various factors such as gas flow rate, temperature, and pipe inner wall roughness, it is necessary to further calculate a second preset length ratio of the first and second pipes that better reflects the actual situation based on the gas changes in the first and second receiving gas cylinders. Finally, based on the newly determined second preset length ratio, the gas filling and discharging and data acquisition calculation steps (steps S3 and S4) are re-executed to obtain the true and reliable component weight data of the second receiving gas cylinder. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 A flowchart illustrating a method for calculating the component weights of a large-volume gas cylinder according to one embodiment is shown.

[0025] Figure 2 A schematic diagram of the structure of a component weight calculation system according to one embodiment is shown;

[0026] Figure 3 A partial schematic diagram of the structure of a component weight calculation system according to one embodiment is shown;

[0027] Figure 4 This is a structural diagram of the component weight calculation system device provided in an embodiment of the present invention.

[0028] Figure label:

[0029] 1-Gas source cylinder;

[0030] 2-First receiving gas cylinder;

[0031] 3-Second receiving gas cylinder;

[0032] 4-Controller;

[0033] 5-The second day was flat;

[0034] 6-First Day of Balance;

[0035] 7-First pipeline;

[0036] 8-Second pipeline;

[0037] 9-Quantitative tube;

[0038] 10 - Shut-off valve. Detailed Implementation

[0039] The solution provided by the present invention will now be described with reference to the accompanying drawings.

[0040] Figure 1 A flowchart illustrating a method for calculating the component weights of a large-volume gas cylinder according to one embodiment is shown. It will be understood that this method can be executed by any device, equipment, platform, or cluster of devices with computing and processing capabilities. A method for calculating the component weight of a large-volume gas cylinder is applied to the controller 4 of a component weight calculation system for large-volume gas cylinders. The component weight calculation system includes a gas source cylinder 1, a first pipeline 7, a second pipeline 8, a first receiving cylinder 2, a second receiving cylinder 3, a first balance 6, a second balance 5, a gas source switch valve, a first switch valve, a second switch valve, and a controller 4. The gas source cylinder 1, the first pipeline 7, and the first receiving cylinder 2 are connected sequentially. The gas source cylinder 1, the second pipeline 8, and the second receiving cylinder 3 are also connected sequentially. The controller 4 is electrically connected to the first balance 6, the second balance 5, the gas source switch valve, the first switch valve, and the second switch valve. The gas source cylinder 1 is mounted on the first balance 6, the first receiving cylinder 2 is mounted on the second balance 5, the gas source switch valve is located at the outlet of the gas source cylinder 1, the first switch valve is located at the inlet of the first receiving cylinder 2, and the second switch valve is located at the inlet of the second receiving cylinder 3. The volume of the first receiving cylinder 2 is smaller than the volume of the second receiving cylinder 3. Figure 1 As shown, the method includes:

[0041] Step S1: Based on the volumes of the first receiving gas cylinder 2 and the second receiving gas cylinder 3, determine the first preset length ratio of the first pipeline 7 and the second pipeline 8;

[0042] Step S2: Determine the total volume of the first pipe 7 and the second pipe 8 based on the first preset length ratio;

[0043] Step S3: Control the gas source switch valve, the first switch valve and the second switch valve to open simultaneously. After a preset time, control the gas source switch valve, the first switch valve and the second switch valve to close simultaneously. Then, use the first day balance 6 and the second day balance 5 to determine the gas change of the gas source cylinder 1 and the first receiving cylinder 2 at this time.

[0044] Step S4: Based on the total volume, the gas change of the gas source cylinder 1 and the first receiving cylinder 2, determine the gas change of the second receiving cylinder 3.

[0045] Step S5: Based on the gas change of the first receiving gas cylinder 2 and the second receiving gas cylinder 3, determine the second preset length ratio of the first pipeline 7 and the second pipeline 8.

[0046] Step S6: Based on the second preset length ratio, repeat steps S3 and S4 to calculate the actual component weight of the second receiving gas cylinder 3.

[0047] In this embodiment, firstly, based on the volume parameters of the first receiving gas cylinder 2 and the second receiving gas cylinder 3, a first preset length ratio between the first pipeline 7 and the second pipeline 8 is determined. Then, based on this ratio and combined with the pipeline's geometric characteristics, the total volume of the first pipeline 7 and the second pipeline 8 is further calculated. Next, the controller 4 synchronously controls the opening of the gas source switch valve, the first switch valve, and the second switch valve, allowing the gas to flow stably in the pipeline system. After a preset time is reached, the valves are quickly closed. At this time, relying on the first balance 6 and the second balance 5 electrically connected to the controller 4, the gas mass change of the gas source cylinder 1 and the first receiving gas cylinder 2 is collected and recorded in real time. Then, based on the acquired total pipeline volume, the gas change data of the gas source cylinder 1 and the first receiving gas cylinder 2, and combined with the law of conservation of mass, the gas change of the second receiving gas cylinder 3 is calculated. Since the first preset length ratio only considers the influence of volume parameters on the pipe length ratio, and in actual experimental environments, the pipe length ratio is also affected by various factors such as gas flow rate, temperature, and pipe inner wall roughness, it is necessary to further calculate a second preset length ratio of the first pipe 7 and the second pipe 8 based on the gas changes in the first and second receiving gas cylinders 3 to obtain a more realistic second preset length ratio. Finally, based on the newly determined second preset length ratio, the gas filling and discharging and data acquisition calculation steps (steps S3 and S4) are re-executed to obtain the true and reliable component weight data of the second receiving gas cylinder 3.

[0048] like Figure 2As shown, in this embodiment, the component weight calculation system includes a gas source cylinder 1, a first pipeline 7, a second pipeline 8, a first receiving gas cylinder 2, a second receiving gas cylinder 3, a first level 6, a second level 5, a gas source switch valve (not shown), a first switch valve (not shown), a second switch valve (not shown), and a controller 4. In this system, the gas source cylinder 1 is sequentially connected to the first receiving gas cylinder 2 via the first pipeline 7, and simultaneously connected to the second receiving gas cylinder 3 via the second pipeline 8. The controller 4, as the core control unit, establishes electrical connections with the first level 6, the second level 5, the gas source switch valve, the first switch valve, and the second switch valve, respectively, to achieve control and data interaction of each component of the system. Specifically, the gas source cylinder 1 is placed on the first level 6 for real-time monitoring of its gas mass changes; the first receiving gas cylinder 2 is placed on the second level 5 for accurate measurement of the received gas weight. The gas source switch valve is installed at the outlet of the gas source cylinder 1, and the first switch valve and the second switch valve are respectively located at the inlets of the first receiving gas cylinder 2 and the second receiving gas cylinder 3 to control the gas flow.

[0049] In one embodiment of the present invention, step S2 includes:

[0050] Step S21: Evacuate the gas source cylinder 1, the first receiving cylinder 2, and the second receiving cylinder 3;

[0051] Step S22: Open the first switch valve and fill the first receiving gas cylinder 2 with nitrogen gas;

[0052] Step S23: When the pressure in the first receiving gas cylinder 2 reaches the preset pressure, stop filling with nitrogen and close the first switch valve;

[0053] Step S24: Close the second switch valve and the gas source switch valve, open the first switch valve, and after the second preset time, close the first switch valve to purge the gas in the first pipeline 7 and the second pipeline 8, and use the second day's balance 5 to measure the first weight of the first receiving gas cylinder 2.

[0054] Step S25: Open the first switch valve, record the pressure in the first pipeline 7 and the second pipeline 8 after the third preset time, close the first switch valve, empty the gas in the first pipeline 7 and the second pipeline 8, and use the second day balance 5 to measure the second weight of the first receiving gas cylinder 2.

[0055] Step S26: Determine the weight difference based on the first weight and the second weight;

[0056] Step S28: Determine the total volume of the first pipe 7 and the second pipe 8 based on the weight difference and the pressure in the first pipe 7 and the second pipe 8.

[0057] In this embodiment, step S2 is specifically detailed as follows: Vacuuming is performed on the gas source cylinder 1, the first receiving cylinder 2, and the second receiving cylinder 3 to ensure that the inside of each cylinder is in a near-vacuum, pure state, laying the foundation for subsequent accurate gas filling and measurement. The first valve is opened to begin filling the first receiving cylinder 2 with nitrogen. During this process, close monitoring of the gas filling is necessary to ensure that the gas enters the cylinder stably and uniformly. When the pressure inside the first receiving gas cylinder 2 reaches the preset pressure value, the nitrogen filling operation is immediately stopped, and the first switch valve, the second switch valve, and the gas source switch valve are quickly closed. The first switch valve is then opened to allow the nitrogen from the first receiving gas cylinder 2 to flow into the first pipeline 7 and the second pipeline 8. After a second preset time, the first switch valve is closed to purge the gas from the first pipeline 7 and the second pipeline 8, and the first weight of the first receiving gas cylinder 2 is measured using the second day's balance 5. The first switch valve is then opened to allow the refilled nitrogen from the first receiving gas cylinder 2 to flow into the first pipeline 7 and the second pipeline 8. After a third preset time, the pressure in the first pipeline 7 and the second pipeline 8 is recorded. The first switch valve is then closed to purge the gas from the first pipeline 7 and the second pipeline 8, and the second weight of the first receiving gas cylinder 2 is measured using the second day's balance 5. Based on the calculated weight difference and the pressure in the first pipeline 7 and the second pipeline 8, the total volume of the first pipeline 7 and the second pipeline 8 is finally determined.

[0058] In one embodiment of the present invention, after determining the weight difference based on the first weight and the second weight, the method further includes:

[0059] Repeat steps S21 to S26 to obtain multiple weight differences;

[0060] The average weight difference is obtained by averaging the multiple weight differences.

[0061] The final total volume of the first pipe 7 and the second pipe 8 is determined based on the average weight difference.

[0062] In this embodiment, after obtaining the difference between the first weight and the second weight (i.e., the weight difference), to further improve the accuracy and reliability of the measurement results, an optimization strategy of averaging multiple measurements is adopted: First, steps S21 to S26 are executed repeatedly, and multiple weight differences are obtained by repeatedly performing operations such as vacuuming, nitrogen filling, pressure adjustment, gas venting, and weight measurement; then, the multiple weight differences are statistically analyzed, and the average weight difference is obtained by arithmetic average calculation; finally, based on the average weight difference, combined with the gas state equation and related physical parameters, the final total volume of the first pipeline 7 and the second pipeline 8 is accurately calculated, thereby reducing the impact of single measurement error on the results and achieving high-precision measurement of the total pipeline volume.

[0063] In this embodiment, the 8L (first receiving gas cylinder 2), 20L first receiving gas cylinder 2 (gas source cylinder 1), and 40L (first receiving gas cylinder 2) are first connected to the gas distribution equipment. Next, the vacuum valve is opened, and the air in the pipeline is completely evacuated using a vacuum pump. The vacuum valve is then closed to ensure a relatively pure environment within the pipeline, reducing interference from external air in subsequent experiments. Subsequently, the valve of the 8L gas cylinder is opened, and nitrogen is simultaneously introduced into the 8L gas cylinder via the nitrogen valve. When the pressure inside the cylinder reaches 10MPa (this pressure value can be adjusted flexibly according to actual measurement needs; the key is to ensure sufficient gas for measurement), the nitrogen valve and the 8L gas source valve are promptly closed to precisely control the gas volume and pressure within the cylinder. After filling, the pressure in the pipeline is released through the vent valve, restoring the pipeline to its initial state. At this point, the 8L gas cylinder is weighed using a high-precision weighing device, and its weight is recorded as 8511.20g. Afterward, the 8L gas cylinder is reconnected to the gas distribution equipment, and the pipeline evacuation process is repeated. The pressure in the system was increased to 1 kg by controlling the 8L gas source switch valve, and then the 8L gas source switch valve was closed to release the pressure in the pipeline again. The 8L gas cylinder was weighed again and the weight was recorded as 8510.91g. The weight difference between the two weighings was calculated as 8511.2 - 8510.91 = 0.29g. Based on the ideal gas law, the corresponding volume V = 0.232L was calculated accurately. To improve the accuracy and reliability of the measurement results, multiple measurements and calculations were performed under different pipeline pressure conditions following the above procedure. Finally, all measurement results were statistically analyzed, and the average value was found to be 0.2315L.

[0064] In one embodiment of the present invention, the total volume is determined by the following formula:

[0065] V = mRT MP

[0066] In the formula, V is the total volume, m is the weight difference, M is the molar mass, R is the universal gas constant, T is the thermodynamic temperature of the gas, and P is the pressure in the first pipe 7 and the second pipe 8.

[0067] In one embodiment of the present invention, step S1 includes:

[0068] Based on the volumes of the first receiving gas cylinder 2 and the second receiving gas cylinder 3, a first flow rate ratio between the first receiving gas cylinder 2 and the second receiving gas cylinder 3 is determined.

[0069] Based on the first flow rate ratio, a first preset length ratio between the first pipeline 7 and the second pipeline 8 is determined.

[0070] In this embodiment, when the lengths of the first pipeline 7 and the second pipeline 8 are equal, a first flow rate ratio between the first receiving gas cylinder 2 and the second receiving gas cylinder 3 is calculated based on their volume parameters. This ratio reflects the flow rate difference characteristics of gas flowing into gas cylinders of different volumes under the same pipeline length conditions. Then, based on the aforementioned first flow rate ratio, a first preset length ratio that the first pipeline 7 and the second pipeline 8 should satisfy under the condition that the flow rates of the first receiving gas cylinder 2 and the second receiving gas cylinder 3 are the same is determined, thereby providing key parameter basis for subsequent precise control of gas distribution and pipeline design.

[0071] In this embodiment, the gas source switching valves (covering brands such as Sanan, Huqiwei, GCE, and Rodales) and the panel valves on the gas distribution equipment (Swagelok brand) all have a uniform nominal diameter of 4mm. The gas distribution equipment uses 1 / 4-inch stainless steel internally polished tubing with an inner diameter accurate to 6.35mm; the pneumatic valves have an inner diameter of 2.5mm. Both the first pipeline 7 and the second pipeline 8 use stainless steel internally polished tubing of the same manufacturer and model, with an inner diameter of 1.755mm. This size constitutes the minimum inner diameter constraint in the entire gas passage. Based on the characteristics of the external pipelines, it is assumed that the friction coefficient and inner diameter of the two pipelines are completely identical. When simultaneously filling 40L and 8L gas cylinders, to ensure that the pressure rise rate of both is consistent (i.e., the derivative of pressure with respect to time, dP / dt, is equal), and assuming that the temperature remains constant during the filling process, [further details are needed]. According to the ideal gas law PV=nRT, since pressure P is directly proportional to the amount of gas n, we can derive dn / dt=(P / (RT))*dv / dt. Given that the volume v of the gas cylinder is a fixed value during filling, the pressure change rate dP / dt directly depends on the change rate of the amount of gas n dn / dt. Simultaneously, the gas flow rate Q can be further converted to mass flow rate for analysis. Theoretical analysis shows that larger-volume gas cylinders require higher gas flow rates to achieve the same pressure change rate as smaller-volume cylinders. Taking a 40L cylinder and an 8L cylinder as examples, the relationship Q8 / V8=Q40 / V40 must be satisfied. From this, we derive the required flow rate ratio Q8 / Q40=V8 / V40=8 / 40=1 / 5, meaning the gas flow rate required for the 40L cylinder should be 5 times that of the 8L cylinder to ensure the same pressure increase rate. Given that the two pipelines are connected to the same gas source and have the same target pressure difference, calculations using relevant fluid mechanics formulas show that the length ratio of the two pipelines needs to be 25:1. Specifically, if the pipeline length corresponding to a 40L gas cylinder is set to 1 meter, then the pipeline length corresponding to an 8L gas cylinder should be 25 meters to achieve precise inflation control.

[0072] In one embodiment of the present invention, step S5 includes:

[0073] Based on the gas change in the first receiving gas cylinder 2 and the second receiving gas cylinder 3, a second flow ratio between the first receiving gas cylinder 2 and the second receiving gas cylinder 3 is determined.

[0074] Based on the second flow ratio, a second preset length ratio between the first pipeline 7 and the second pipeline 8 is determined.

[0075] In this embodiment, since the first preset length ratio is the ideal length ratio, the actual pipe length ratio deviates due to factors such as the degree of pipe bending, the inconsistency between the actual pipe friction and the actual pipe inner diameter, temperature changes during the inflation process, and the pressure drop of the gas source during inflation. Therefore, the optimal length ratio needs to be confirmed through relevant experiments. Thus, a second preset length ratio also needs to be determined. Nitrogen is simultaneously injected into the 8L and 40L gas cylinders. When the pressure inside the cylinders reaches a specific value, the first and second switch valves are closed. Subsequently, the gas flow rate in the two cylinders is determined by weighing the weight changes of the 8L and 40L cylinders, and the appropriate pipe length ratio is calculated according to relevant formulas. Before the experiment, the cylinders that have been vacuumed are accurately weighed. The 20L aluminum alloy cylinder weighs 19800.5g and is weighed using an Intec SIWADCP-1-35-S balance, which has a weighing range of 0-35000g and a graduation of 0.5g. After filling the 20L cylinder with nitrogen at approximately 15MPa, its weight was measured again to be 23550.5g. The 8L cylinder, after being evacuated, weighed 7501.52g and was weighed using a Mettler Toledo MSI2002TS / 02 balance (graduation 0.01g, range 0-12200g). The 8L, 20L, and 40L cylinders were connected to the system. The evacuation valve was opened, and the air in the pipeline was completely evacuated using a vacuum pump, then the evacuation valve was closed. Next, the valves of the 8L and 40L cylinders were opened, and the first and second switching valves were closed. Then, the valve of the 20L cylinder was opened. The first and second switching valves were simultaneously opened via controller 4. When the balance reading for the 8L cylinder changed by 200g, the first and second switching valves were quickly closed simultaneously, followed by closing the valves of the 8L, 40L, and 20L cylinders. Next, the first and second valves were opened again, and the pressure in the pipeline was recorded as 78.3 kg / cm². Then, the pressure in the pipeline was released, and the 8L gas cylinder was weighed again, which was 7702.33g, with a weight difference of 200.81g; the 20L gas cylinder was weighed, which was 22301.0g, with a weight difference of 1249.5g.

[0076] The weight of the gas in the pipeline is calculated using the ideal gas law PV = nRT. The calculation yields 78.3 × 0.2315 = m × 22.4 ÷ 28, solving for m gives m = 22.658 g. Therefore, the weight change of the 40L cylinder is 1249.5 - 22.658 - 200.81 = 1026.032 g. The flow rate ratio between the 40L and 8L cylinders is 1026.032 ÷ 200.81 = 5.1094, i.e., Q40 / Q8 = 5.1094. If the pipeline length corresponding to the 40L cylinder is fixed at 1 meter, the flow rate ratio can be adjusted by changing the pipeline length corresponding to the 8L cylinder to meet the requirement of Q40 / Q8 = 5. The calculated pipeline length L corresponding to the 8L cylinder should be 23.94 meters.

[0077] After adjusting the length of the 8L pipe to 23.94 meters, multiple experiments were conducted, and the experimental data are shown in Table 1.

[0078] Table 1

[0079]

[0080] The 40L pipe is 1 meter long and the 8L pipe is 23.94 meters long. The resulting flow ratio meets the requirements.

[0081] In this embodiment, during actual production, the volume of a 40L gas cylinder may deviate by up to +5%. When filling the cylinder using this method, because the volume is not five times the original volume, the original balance will be disrupted, leading to inconsistent pressure change rates ΔP and resulting in deviations in the results. The actual volume tolerance of large-capacity gas cylinders is within +5%; for example, the maximum volume of a 40L cylinder is 42L. A double-ended valve (EF) container with an actual volume of 8L is used, with one end of the valve connected to a 25-meter pipeline. Figure 3As shown, the other end of the valve is connected to multiple sets of 40ml metering tubes 9 with a shut-off valve 10. By switching multiple valves (EHI, etc.) to connect the 40ml metering tubes 9 to the container, and the 8L container and metering tubes 9 as a single unit, the volume ratio of the 8L and 40L gas cylinders can be adjusted to 5 or close to 5. The 40ml is determined as follows: the allowable flow rate is five times that of the 8L, with a maximum deviation of 0.5%. 8L x 100.5% = 8.04L, 40L x 0.5% = 40.2L. The intermediate value between 40L and 40.2L is 40.1L. When using 40ml metering tubes 9, 8.04L x 5 = 40.2L, 8L x 5 = 40L. The maximum deviation is 40.1 / 40.2 = 0.997512, 40.1 / 40 = 1.0025, which is ±0.25%, less than the 0.5% deviation requirement. If other deviation requirements exist, the metering tube 9 requirements can be modified. The actual volume of the 40L steel cylinder was measured to be 40.93L. 40.93 / 5 = 8.18L. 8.18 / 0.04 = 4.65. An 8L container, a 5-segment metering tube, and a valve were selected. After vacuuming, the weight was 8150.70g. The 20L aluminum alloy cylinder, after vacuuming, weighed 19800.5g. After filling with 15MPa nitrogen, the weight was 23567.0g. The three cylinders were connected to the system. The evacuation valve was opened to evacuate the air from the pipeline. The evacuation valve was then closed. The 8L and 40L gas source valves were opened, and the first and second valves were closed. The 20L cylinder valve was opened. The first and second pneumatic valves were opened simultaneously via controller 4. When the change in weight reached 200g, the first and second pneumatic valves were closed simultaneously. The 8L, 40L, and 20L gas source valves were closed, and the first and second pneumatic valves were opened. The pressure in the pipeline was recorded as 77.2kg / cm2. The pressure in the pipeline was then released. The 8L cylinder weighed 8358.52g. The weight difference was 207.82g.

[0082] The 20L gas cylinder weighs 22300.5g, with a weight difference of 1266.5g. Using pv=nRT, the weight of the gas in the pipeline is calculated as: 77.2*0.2315=m*22.4 / 28, where m=22.34g. Therefore, the weight change for the 40L cylinder is 1036.34g.

[0083] The flow rate ratio between the 40L gas cylinder and the 8L container and metering tube 9 is 1036.34 / 207.82 = 4.9867.

[0084] Multiple experiments were conducted, and the experimental data are shown in Table 2.

[0085] Table 2

[0086]

[0087] Based on these data sets (4.9867+4.9865+4.9924+4.9938+4.9931) / 5 = 4.9905, when the 8L filling volume is Ag, the 40L filling volume is 4.9905Ag. The pipe length suitable for any cylinder volume ratio can be found using the above method, and the weight difference of the larger volume can be determined by weighing the difference in weight of the smaller volume. The results show that the 8L and 40L cylinders can simultaneously reach the same pressure using this method. The weight difference of the 40L cylinder can be obtained by weighing the difference in weight of the 8L cylinder. This method can be used for filling single-component liquids or gases into cylinders of different volumes.

[0088] The system was used to configure multi-component standard gases, and its feasibility was verified through experiments.

[0089] Experiment: Gas cylinders with actual volumes of 8L and 40L were used. After filling both cylinders with a certain amount of nitrogen, the weight change was measured. Then, a certain amount of nitrogen was added again at the original pressure, and the weight change was measured again. The proportion of weight change in the two cylinders was observed to be consistent.

[0090] A 20L aluminum alloy gas cylinder, after being vacuumed, weighs 19800.0g. Nitrogen gas at a pressure exceeding 15MPa is then added, and the weight is measured at 23566.5g (using an Intec SIWADCP-1-35-S balance with a weighing range of 0-35000g and a graduation of 0.5g). An 8L gas cylinder, also vacuumed, weighs 7501.5g (using a Teller Toledo MSI2002TS / 02 balance with a graduation of 0.01g and a range of 0-12200g). The three cylinders are connected to the system. The evacuation valve is opened to remove air from the pipeline. The evacuation valve is then closed. Open the 8L and 40L gas source valves, close the first and second valves, open the 20L gas cylinder valve, and simultaneously open the first and second valves via controller 4. When the change in weight reaches 100g, simultaneously close the first and second valves, close the 8L, 40L, and 20L gas source valves, record the pressure on the first pipeline 7 and the second pipeline 8 as P = 1.01 MPa, open the first and second valves, record the pressure inside the pipeline as 94.5 kg / cm², release the pressure inside the pipeline, and weigh the 8L cylinder as 7601.83g. The weight difference is 100.33g. The 20L gas cylinder weighs 22,936.5g, with a weight difference of 630.0g. Using pv=nRT, the weight of the gas in the pipeline is calculated as 94.5*0.2315=m*22.4 / 28, where m=27.346g. Therefore, the weight difference for the 40L cylinder is 630.0-27.346-100.33=502.324g. At this point, the pressure in the 20L cylinder decreases. Nitrogen is added at a pressure of 15MPa or higher, and the cylinder weighs 23,560.5g. Both the 8L and 40L cylinders have pressure. The three cylinders are connected to the equipment. The evacuation valve is opened to extract the air from the pipeline. The evacuation valve is then closed. The pressure in the pipeline is increased by controlling the 20L gas source valve. The pressure is increased to P = 1.01 MPa. The first and second switch valves are closed. The 8L and 40L gas source switch valves are opened, as is the 20L gas source switch valve. Simultaneously, the first and second switch valves are opened via controller 4. When the change in balance weight reaches 250g, the first and second switch valves are closed simultaneously. The 8L, 40L, and 20L gas source switch valves are closed. The pressure in the first pipeline 7 and the second pipeline 8 is recorded as 3.15 MPa. The first and second switch valves are opened, and the pressure inside the pipeline is recorded as 100.5 kg / cm². The gas inside the pipeline is emptied. The weight of the 8L cylinder and the metering tube 9 is 7817.05g, with a weight difference of 215.22g. The weight of the 20L cylinder is 22240.5g, with a weight difference of 1320.0g. The weight of the gas inside the pipeline is calculated to be 29.08g. Therefore, the weight difference for the 40L cylinder is 1075.7g.

[0091] Multiple experiments were conducted, and the experimental data are shown in Table 3.

[0092] Table 3

[0093]

[0094] The data shows that the flow rates were almost identical in both tests, with an error of 0.2%, which meets the deviation requirements. Under the same pressure inside the bottle, the amount of gas refilled also conforms to the flow rate variation pattern. This method can be used to simultaneously prepare 8L and 40L standard gases, and the concentration of the substance in the 8L volume can be determined by weighing the difference in weight, thus yielding the concentration of the substance in the 40L volume.

[0095] like Figure 2 As shown, this embodiment of the invention also provides a system for calculating the component weight of a large-volume gas cylinder, including a gas source cylinder 1, a first pipeline 7, a second pipeline 8, a first receiving gas cylinder 2, a second receiving gas cylinder 3, a first level 6, a second level 5, a gas source switch valve, a first switch valve, a second switch valve, and a controller 4. The gas source cylinder 1, the first pipeline 7, and the first receiving gas cylinder 2 are connected in sequence, and the gas source cylinder 1, the second pipeline 8, and the second receiving gas cylinder 3 are connected in sequence. The controller 4 is electrically connected to the first level 6, the second level 5, the gas source switch valve, the first switch valve, and the second switch valve, respectively. The gas source cylinder 1 is disposed on the first level 6, the first receiving gas cylinder 2 is disposed on the second level 5, the gas source switch valve is disposed at the outlet of the gas source cylinder 1, the first switch valve is disposed at the inlet of the first receiving gas cylinder 2, and the second switch valve is disposed at the inlet of the second receiving gas cylinder 3. The volume of the first receiving gas cylinder 2 is smaller than the volume of the second receiving gas cylinder 3. The controller 4 is used to execute the method described in any embodiment of this specification.

[0096] According to another embodiment, the present invention provides a device for calculating the component weights of a large-volume gas cylinder. Figure 4A schematic block diagram of a device for calculating the component weights of a large-volume gas cylinder according to one embodiment is shown. It will be understood that this device can be implemented by any apparatus, device, platform, or cluster of devices with computing and processing capabilities. The component weight calculation device for large-volume gas cylinders is applied to the controller 4 of the component weight calculation system for large-volume gas cylinders. The component weight calculation system includes a gas source cylinder 1, a first pipeline 7, a second pipeline 8, a first receiving gas cylinder 2, a second receiving gas cylinder 3, a first balance 6, a second balance 5, a gas source switch valve, a first switch valve, a second switch valve, and a controller 4. The gas source cylinder 1, the first pipeline 7, and the first receiving gas cylinder 2 are connected sequentially. The gas source cylinder 1, the second pipeline 8, and the second receiving gas cylinder 3 are also connected sequentially. The controller 4 is electrically connected to the first balance 6, the second balance 5, the gas source switch valve, the first switch valve, and the second switch valve. The gas source cylinder 1 is mounted on the first balance 6, the first receiving gas cylinder 2 is mounted on the second balance 5, the gas source switch valve is located at the outlet of the gas source cylinder 1, the first switch valve is located at the inlet of the first receiving gas cylinder 2, and the second switch valve is located at the inlet of the second receiving gas cylinder 3. The volume of the first receiving gas cylinder 2 is smaller than the volume of the second receiving gas cylinder 3. Figure 4 As shown, the device includes: a first data processing unit 200, a second data processing unit 202, a third data processing unit 204, a fourth data processing unit 206, and a fifth data processing unit 208. The main functions of each component are as follows:

[0097] The first data processing unit is configured to, in step S1, determine a first preset length ratio of the first pipeline 7 and the second pipeline 8 based on the volumes of the first receiving gas cylinder 2 and the second receiving gas cylinder 3.

[0098] The second data processing unit is configured to, in step S2, determine the total volume of the first pipeline 7 and the second pipeline 8 based on the first preset length ratio;

[0099] The third data processing unit is configured to, in step S3, control the gas source switch valve, the first switch valve and the second switch valve to open simultaneously, and after a first preset time, control the gas source switch valve, the first switch valve and the second switch valve to close simultaneously, and use the first balance 6 and the second balance 5 respectively to determine the gas change of the gas source cylinder 1 and the first receiving cylinder 2 at this time.

[0100] The fourth data processing unit is configured to, in step S4, determine the gas change of the second receiving gas cylinder 3 based on the total volume, the gas source cylinder 1, and the gas change of the first receiving cylinder 2.

[0101] The fifth data processing unit is configured to, in step S5, determine a second preset length ratio between the first pipeline 7 and the second pipeline 8 based on the gas change amount of the first receiving gas cylinder 2 and the second receiving gas cylinder 3.

[0102] The sixth data processing unit is configured to, in step S6, re-execute steps S3 and S4 based on the second preset length ratio, and calculate the actual component weight of the second receiving gas cylinder 3.

[0103] In one embodiment of the present invention, after determining the weight difference based on the first weight and the second weight, the method further includes:

[0104] Repeat steps S21 to S26 to obtain multiple weight differences;

[0105] The average weight difference is obtained by averaging the multiple weight differences.

[0106] The final total volume of the first pipe 7 and the second pipe 8 is determined based on the average weight difference.

[0107] In one embodiment of the present invention, the total volume is determined by the following formula:

[0108] V = mRT MP

[0109] In the formula, V is the total volume, m is the weight difference, M is the molar mass, R is the universal gas constant, T is the thermodynamic temperature of the gas, and P is the pressure in the first pipeline 7 and the second pipeline 8.

[0110] In one embodiment of the present invention, determining the first preset length ratio of the first pipeline 7 and the second pipeline 8 based on the volumes of the first receiving gas cylinder 2 and the second receiving gas cylinder 3 includes:

[0111] Based on the volumes of the first receiving gas cylinder 2 and the second receiving gas cylinder 3, a first flow rate ratio between the first receiving gas cylinder 2 and the second receiving gas cylinder 3 is determined.

[0112] Based on the first flow rate ratio, a first preset length ratio between the first pipeline 7 and the second pipeline 8 is determined.

[0113] In one embodiment of the present invention, determining the second preset length ratio of the first pipeline 7 and the second pipeline 8 based on the gas change in the first receiving gas cylinder 2 and the second receiving gas cylinder 3 includes:

[0114] Based on the gas change in the first receiving gas cylinder 2 and the second receiving gas cylinder 3, a second flow ratio between the first receiving gas cylinder 2 and the second receiving gas cylinder 3 is determined.

[0115] Based on the second flow ratio, a second preset length ratio between the first pipeline 7 and the second pipeline 8 is determined.

[0116] According to another embodiment, a computer-readable storage medium is also provided, on which a computer program is stored, which, when executed in a computer, causes the computer to perform a combination Figure 1 The method described.

[0117] According to another embodiment, an electronic device is also provided, including a memory and a processor, wherein the memory stores executable code, and when the processor executes the executable code, it implements a combination... Figure 1 The method described.

[0118] The various embodiments in this invention are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the apparatus embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0119] Those skilled in the art will recognize that, in one or more of the examples above, the functions described in this invention can be implemented using hardware, software, firmware, or any combination thereof. When implemented in software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or code on a computer-readable medium.

[0120] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made on the basis of the technical solution of the present invention should be included within the scope of protection of the present invention.

Claims

1. A method for calculating the component weight of a large-volume gas cylinder, characterized in that, A controller (4) for a component weight calculation system applied to a large-volume gas cylinder. The component weight calculation system includes a gas source cylinder (1), a first pipeline (7), a second pipeline (8), a first receiving gas cylinder (2), a second receiving gas cylinder (3), a first balance (6), a second balance (5), a gas source switch valve, a first switch valve, a second switch valve, and the controller (4). The gas source cylinder (1), the first pipeline (7), and the first receiving gas cylinder (2) are connected in sequence. The gas source cylinder (1), the second pipeline (8), and the second receiving gas cylinder (3) are connected in sequence. The controller (4) is connected to the first receiving gas cylinder (2), the second pipeline (8), and the second receiving gas cylinder (3) respectively. A first balance (6), a second balance (5), a gas source switch valve, a first switch valve, and a second switch valve are electrically connected. A gas source cylinder (1) is mounted on the first balance (6), a first receiving cylinder (2) is mounted on the second balance (5), the gas source switch valve is located at the outlet of the gas source cylinder (1), the first switch valve is located at the inlet of the first receiving cylinder (2), and the second switch valve is located at the inlet of the second receiving cylinder (3). The volume of the first receiving cylinder (2) is smaller than the volume of the second receiving cylinder (3). The method includes: Step S1: Based on the volumes of the first receiving gas cylinder (2) and the second receiving gas cylinder (3), determine the first preset length ratio of the first pipeline (7) and the second pipeline (8); Step S2: Based on the first preset length ratio, determine the total volume of the first pipeline (7) and the second pipeline (8); Step S3: Control the gas source switch valve, the first switch valve and the second switch valve to open simultaneously. After a first preset time, control the gas source switch valve, the first switch valve and the second switch valve to close simultaneously. Use the first balance (6) and the second balance (5) to determine the gas change of the gas source cylinder (1) and the first receiving cylinder (2) at this time. Step S4: Based on the total volume, the gas change of the gas source cylinder (1) and the first receiving cylinder (2), determine the gas change of the second receiving cylinder (3); Step S5: Based on the gas change in the first receiving gas cylinder (2) and the second receiving gas cylinder (3), determine the second preset length ratio of the first pipeline (7) and the second pipeline (8); Step S6: Based on the second preset length ratio, repeat steps S3 and S4 to calculate the actual component weight of the second receiving gas cylinder (3).

2. The method according to claim 1, characterized in that, Step S2 includes: Step S21: Evacuate the gas source cylinder (1), the first receiving cylinder (2) and the second receiving cylinder (3); Step S22: Open the first switch valve and fill the first receiving gas cylinder (2) with nitrogen gas; Step S23: When the pressure inside the first receiving gas cylinder (2) reaches the preset pressure, stop filling with nitrogen and close the first switching valve; Step S24: Close the second switch valve and the gas source switch valve, open the first switch valve, and after a second preset time, close the first switch valve to empty the gas in the first pipeline (7) and the second pipeline (8), and use the second balance (5) to measure the first weight of the first receiving gas cylinder (2). Step S25: Open the first switch valve, record the pressure in the first pipeline (7) and the second pipeline (8) after a third preset time, close the first switch valve, empty the gas in the first pipeline (7) and the second pipeline (8), and use the second balance (5) to measure the second weight of the first receiving gas cylinder (2). Step S26: Determine the weight difference based on the first weight and the second weight; Step S28: Determine the total volume of the first pipeline (7) and the second pipeline (8) based on the weight difference and the pressure in the first pipeline (7) and the second pipeline (8).

3. The method according to claim 2, characterized in that, After determining the weight difference based on the first weight and the second weight, the process further includes: Repeat steps S21 to S26 to obtain multiple weight differences; The average weight difference is obtained by averaging the multiple weight differences. The final total volume of the first pipeline (7) and the second pipeline (8) is determined based on the average weight difference.

4. The method according to claim 2, characterized in that, The total volume is determined by the following formula: V = mRT MP In the formula, V is the total volume, m is the weight difference, M is the molar mass, R is the universal gas constant, T is the thermodynamic temperature of the gas, and P is the pressure in the first pipeline (7) and the second pipeline (8).

5. The method according to claim 1, characterized in that, The step of determining the first preset length ratio of the first pipeline (7) and the second pipeline (8) based on the volumes of the first receiving gas cylinder (2) and the second receiving gas cylinder (3) includes: Based on the volumes of the first receiving gas cylinder (2) and the second receiving gas cylinder (3), a first flow rate ratio between the first receiving gas cylinder (2) and the second receiving gas cylinder (3) is determined; Based on the first flow ratio, a first preset length ratio between the first pipeline (7) and the second pipeline (8) is determined.

6. The method according to claim 1, characterized in that, The determination of the second preset length ratio of the first pipeline (7) and the second pipeline (8) based on the gas change of the first receiving gas cylinder (2) and the second receiving gas cylinder (3) includes: Based on the gas change in the first receiving gas cylinder (2) and the second receiving gas cylinder (3), a second flow ratio between the first receiving gas cylinder (2) and the second receiving gas cylinder (3) is determined; Based on the second flow ratio, a second preset length ratio between the first pipeline (7) and the second pipeline (8) is determined.

7. A component weight calculation device for a large-volume gas cylinder, characterized in that, A controller (4) for a component weight calculation system applied to a large-volume gas cylinder. The component weight calculation system includes a gas source cylinder (1), a first pipeline (7), a second pipeline (8), a first receiving gas cylinder (2), a second receiving gas cylinder (3), a first balance (6), a second balance (5), a gas source switch valve, a first switch valve, a second switch valve, and the controller (4). The gas source cylinder (1), the first pipeline (7), and the first receiving gas cylinder (2) are connected in sequence. The gas source cylinder (1), the second pipeline (8), and the second receiving gas cylinder (3) are connected in sequence. The controller (4) is connected to the first receiving gas cylinder (2), the second pipeline (8), and the second receiving gas cylinder (3) respectively. The device comprises: a first balance (6), a second balance (5), a gas source switch valve, a first switch valve, and a second switch valve electrically connected; a gas source cylinder (1) is mounted on the first balance (6); a first receiving cylinder (2) is mounted on the second balance (5); the gas source switch valve is located at the outlet of the gas source cylinder (1); the first switch valve is located at the inlet of the first receiving cylinder (2); and the second switch valve is located at the inlet of the second receiving cylinder (3). The volume of the first receiving cylinder (2) is smaller than the volume of the second receiving cylinder (3). The first data processing unit is configured to, in step S1, determine a first preset length ratio of the first pipeline (7) and the second pipeline (8) based on the volumes of the first receiving gas cylinder (2) and the second receiving gas cylinder (3); The second data processing unit is configured to, in step S2, determine the total volume of the first pipeline (7) and the second pipeline (8) based on the first preset length ratio; The third data processing unit is configured to, in step S3, control the gas source switch valve, the first switch valve and the second switch valve to open simultaneously, and after a first preset time, control the gas source switch valve, the first switch valve and the second switch valve to close simultaneously, and use the first balance (6) and the second balance (5) to determine the gas change of the gas source cylinder (1) and the first receiving cylinder (2) at this time. The fourth data processing unit is configured to, in step S4, determine the gas change of the second receiving gas cylinder (3) based on the total volume, the gas change of the gas source cylinder (1) and the first receiving cylinder (2); The fifth data processing unit is configured to, in step S5, determine a second preset length ratio of the first pipeline (7) and the second pipeline (8) based on the gas change of the first receiving gas cylinder (2) and the second receiving gas cylinder (3); The sixth data processing unit is configured to, in step S6, re-execute steps S3 and S4 based on the second preset length ratio, and calculate the actual component weight of the second receiving gas cylinder (3).

8. A component weight calculation system, characterized in that, The system includes a gas source cylinder (1), a first pipeline (7), a second pipeline (8), a first receiving gas cylinder (2), a second receiving gas cylinder (3), a first balance (6), a second balance (5), a gas source switch valve, a first switch valve, a second switch valve, and a controller (4). The gas source cylinder (1), the first pipeline (7), and the first receiving gas cylinder (2) are connected in sequence. The gas source cylinder (1), the second pipeline (8), and the second receiving gas cylinder (3) are connected in sequence. The controller (4) is connected to the first balance (6), the second balance (5), the gas source switch valve, and the first receiving gas cylinder (3) respectively. The switching valve and the second switching valve are electrically connected. The gas source cylinder (1) is set on the first balance (6), the first receiving cylinder (2) is set on the second balance (5), the gas source switching valve is set at the outlet of the gas source cylinder (1), the first switching valve is set at the inlet of the first receiving cylinder (2), the second switching valve is set at the inlet of the second receiving cylinder (3), the volume of the first receiving cylinder (2) is smaller than the volume of the second receiving cylinder (3), and the controller (4) is used to perform the method as described in any one of claims 1-6.

9. An electronic device, characterized in that, It includes a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the method as described in any one of claims 1-6.

10. A computer-readable storage medium, characterized in that, It stores a computer program that, when executed in a computer, causes the computer to perform the method described in any one of claims 1-6.

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