Self-gravity infrared system octane number standard fuel automatic sample preparation device

The automatic octane standard fuel sampler using a gravity-based infrared system utilizes a weight detection component and a solenoid valve to control material flow. Combined with a mixing component and infrared detection equipment, it solves the problem of inaccurate material flow control in octane standard fuel samplers, achieving precise sample preparation and stable mixing.

CN223959488UActive Publication Date: 2026-03-03CHONGQING STORAGE BRANCH OF PETROCHINA
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Patent Information

Application Number
CN202520393840.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-03-03
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Existing octane number standard fuel samplers cannot accurately control the material flow rate, resulting in unstable sample mixing accuracy and affecting the accuracy of test results.

Method used

An automatic fuel sampler using a gravity-based infrared system for octane rating standards monitors the weight of materials in the gallon container in real time through a weight detection component. It controls the flow of materials using gravity and a solenoid valve, and combines a mixing component and infrared detection equipment to ensure the stability and accuracy of the mixing process.

Benefits of technology

It achieves smooth material flow and precise sampling, ensuring that the sample quantity meets the preset standard, the mixing process is stable, the fuel quality is reliable, and the accuracy of the test results is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a self-gravity infrared system octane number standard fuel automatic sample matching device, which relates to the technical field of sample matching and comprises a sample matching frame, a supporting plate is arranged on one side of the inner top of the sample matching frame, a plurality of gallon barrels are arranged on the top of the supporting plate, and weight detection components are arranged at the bottoms of the gallon barrels. A plurality of measuring tubes are arranged on the other side of the top of the sample distribution frame, a mixing assembly matched with the measuring tubes is arranged on one side of the inner bottom of the sample distribution frame, and infrared detection devices matched with the mixing assembly are arranged at the two ends of the outer portion of the sample distribution frame. According to the utility model, the weight of materials in the gallon barrel can be monitored in real time, the accuracy of each-time sample preparation is ensured, according to weight data fed back by the weighing sensor, when the materials in the gallon barrel reach a fixed value of blanking, the pinch valve is opened through the controller, the materials are conveyed into the hose, and the materials naturally flow into the hose under the action of self-gravity, so that the sampling accuracy is ensured. And no additional pump or pressurization equipment is needed.
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Description

Technical Field

[0001] This utility model relates to the field of sample preparation technology, and more specifically, to an automatic sampler for octane number standard fuels using a gravity infrared system. Background Technology

[0002] Octane rating standard fuels refer to fuels with known and controllable octane numbers, commonly used to measure and calibrate the anti-knock performance of other fuels. In automotive engines, the octane rating of fuel indicates its anti-knock property, that is, the fuel's ability to prevent spontaneous combustion during engine compression; the higher the octane rating, the stronger the anti-knock property. As a key indicator for measuring the anti-knock performance of gasoline, the octane rating is a conventional value for the anti-knock performance of spark-ignition engine fuels and a crucial unit for evaluating gasoline's anti-knock performance, its importance permeating the entire petroleum industry.

[0003] In the octane rating testing process, a sampler controls the ratio of isooctane and n-heptane to precisely prepare standard fuels of different octane ratings. The accuracy of the sample preparation directly affects the accuracy of the test results, thus playing a crucial role in improving gasoline quality and production efficiency. The automatic sampler needs to precisely control the flow rate of each component. However, the various materials in the octane rating standard fuels differ significantly in their physicochemical properties such as density and viscosity. If the sampler cannot execute a precise adjustment mechanism, the output of certain materials will be unstable, affecting the accuracy of the final sample preparation.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Summary of the Invention

[0005] In response to the problems in related technologies, this utility model proposes an automatic fuel sampler for octane number standard using a gravity infrared system, in order to overcome the aforementioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] The self-gravity infrared system octane standard fuel automatic sampler includes a sample rack, a support plate on one side of the inner top of the sample rack, several gallon containers on the top of the support plate, and a weight detection component at the bottom of the gallon containers; several measuring tubes on the other side of the top of the sample rack, a mixing component that cooperates with the measuring tubes on one side of the inner bottom of the sample rack, and infrared detection devices that cooperate with the mixing component at both ends of the outer side of the sample rack.

[0008] Furthermore, in order to monitor the weight of the material in the gallon container in real time and ensure the accuracy of each sample preparation, the weight data fed back by the weighing sensor is used to open the clamp valve through the controller when the material inside the gallon container reaches the set value for dispensing. The material is then transported into the inside of the hose. The material flows naturally into the hose under its own weight, without the need for an additional pump or pressurization equipment. This not only ensures smooth material flow but also ensures that the sample preparation amount meets the preset standard. The weight detection component includes a connecting plate set at the bottom of the support plate and connected to the gallon container. A dispensing cylinder is set at the bottom of the connecting plate. Several weighing sensors are set at the top of the dispensing cylinder. A placement plate is set at the bottom of the weighing sensors and is fitted around the circumference of the dispensing cylinder. A connecting block is set at the bottom of the dispensing cylinder, and the clamp valve is connected to the bottom of the connecting block. The sample preparation rack has an L-shaped structure, and the bottom of the dispensing cylinder has a conical structure.

[0009] Furthermore, in order to efficiently mix materials of different components evenly by driving the stirring shaft through the drive assembly, and in conjunction with the design of the mixing tank and stirring blades, so as to accurately prepare standard fuels of different octane ratings, and to detect the state of materials in the mixing tank through infrared detection equipment, thereby ensuring the stability of the mixing process and the reliability of fuel quality, the mixing assembly includes a protective shell set on one side of the sample rack, a drive assembly set inside the protective shell, a stirring shaft set on one side of the drive assembly, a mixing tank set outside the stirring shaft, and stirring blades set on the outer circumference of the stirring shaft. The drive assembly includes a drive motor set on one side of the protective shell, a bevel gear one set at the output end of the drive motor, bevel gear two set at both ends on one side of bevel gear one to mesh with it, a bevel gear three set between the two sets of bevel gear two, and the center of bevel gear three connected to one end of the stirring shaft.

[0010] Furthermore, in order to precisely control the material flow in the hose through the solenoid valve, effectively adjust the material flow rate, and ensure that the flow rate of material from the measuring tube to the mixing tank meets the predetermined standard, a hose is installed between the bottom end of the clamp valve and the measuring tube, and between the measuring tube and the mixing tank, and a solenoid valve is installed on the outer circumference of the hose.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. This utility model, by setting a weight detection component, can monitor the weight of the material in the gallon container in real time, ensuring the accuracy of each sample preparation. Through the weight data fed back by the weighing sensor, when the material inside the gallon container reaches the set value for feeding, the controller opens the clamp valve to transport the material into the hose. The material flows naturally into the hose under its own gravity, without the need for additional pumps or pressurization equipment. This not only ensures the smooth flow of the material, but also ensures that the sample preparation amount meets the preset standard.

[0013] This invention, by setting up a mixing component, can drive the stirring shaft through the drive component, and in conjunction with the design of the mixing tank and stirring blades, efficiently mix materials of different components evenly, thereby accurately formulating standard fuels with different octane ratings. Furthermore, the state of the materials in the mixing tank can be detected by an infrared detection device, thus ensuring the stability of the mixing process and the reliability of fuel quality.

[0014] This invention uses a solenoid valve to precisely control the flow of material in the hose, thereby effectively regulating the material flow rate and ensuring that the flow rate of material from the measuring tube to the mixing tank meets the predetermined standard. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the self-gravity infrared system octane number standard fuel automatic sampler according to an embodiment of the present invention;

[0017] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;

[0018] Figure 3 This is a partial cross-sectional view of the self-gravity infrared system octane number standard fuel automatic sampler according to an embodiment of the present invention;

[0019] Figure 4 yes Figure 3 A magnified view of a section at point B in the middle;

[0020] Figure 5 This is a partial cross-sectional view from another angle of the automatic fuel sampler for octane number standard using a gravity infrared system according to an embodiment of the present invention;

[0021] Figure 6 This is a schematic diagram of the mixing component in the automatic fuel mixing device for octane number standard of the gravity infrared system according to an embodiment of the present invention.

[0022] In the picture:

[0023] 1. Sample rack; 2. Support plate; 3. Gallon container; 4. Weight detection assembly; 401. Connecting plate; 402. Feeding cylinder; 403. Weighing sensor; 404. Placement plate; 405. Connecting block; 406. Pinch valve; 5. Measuring tube; 6. Mixing assembly; 601. Protective shell; 602. Drive assembly; 6021. Drive motor; 6022. Bevel gear one; 6023. Bevel gear three; 6024. Bevel gear two; 603. Stirring shaft; 604. Mixing tank; 605. Stirring blades; 7. Infrared detection equipment; 8. Hoses; 9. Solenoid valve; 10. Controller. Detailed Implementation

[0024] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0025] According to an embodiment of the present invention, an automatic fuel sampler for octane number standard using a gravity infrared system is provided.

[0026] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figures 1-6 As shown, the self-gravity infrared system octane standard fuel automatic sampler according to an embodiment of the present invention includes a sample rack 1, a support plate 2 is provided on one side of the inner top of the sample rack 1, a plurality of gallon containers 3 are provided on the top of the support plate 2, and a weight detection component 4 is provided on the bottom of the gallon containers 3; a plurality of measuring tubes 5 are provided on the other side of the top of the sample rack 1, a mixing component 6 that cooperates with the measuring tubes 5 is provided on one side of the inner bottom of the sample rack 1, and infrared detection devices 7 that cooperate with the mixing component 6 are provided at both ends of the outer side of the sample rack 1.

[0027] With the above solution, this utility model can monitor the weight of the material in the gallon bucket 3 in real time by setting the weight detection component 4, ensuring the accuracy of each sample preparation, and delivering the material into the hose 8. The material flows naturally into the hose 8 under its own gravity, without the need for additional pumps or pressurizing equipment, thus ensuring not only the smooth flow of the material, but also that the sample preparation amount meets the preset standard.

[0028] In one embodiment, the weight detection component 4 includes a connecting plate 401 disposed at the bottom of the support plate 2 and connected to the gallon barrel 3. A discharge cylinder 402 is disposed at the bottom of the connecting plate 401. A plurality of weighing sensors 403 are disposed on the outer top of the discharge cylinder 402. A placement plate 404 is disposed at the bottom end of each weighing sensor 403. The placement plate 404 is sleeved on the outer circumference of the discharge cylinder 402. A connecting block 405 is disposed at the bottom end of the discharge cylinder 402. A clamping valve 405 is connected to the bottom end of the connecting block 405. 6. The sample rack 1 has an L-shaped structure, and the bottom of the feeding cylinder 402 has a conical structure, which enables real-time monitoring of the weight of the material in the gallon bucket 3, ensuring the accuracy of each sample. The weight data fed back by the weighing sensor 403 is used to control the material in the gallon bucket 3 to open the clamp valve 406 when the material inside the gallon bucket 3 reaches the feeding value, so as to transport the material into the hose 8. The material flows into the hose 8 naturally under its own weight, without the need for an additional pump or pressurizing equipment. This not only ensures the smooth flow of the material, but also ensures that the sample quantity meets the preset standard.

[0029] Specifically, the working principle of the weight detection component 4 includes: several weighing sensors 403 are installed on the top of the feeding cylinder 402. The weighing sensors 403 monitor the weight of the material in the feeding cylinder 402 in real time and feed the monitored weight data back to the controller 10. When the weight detected by the weighing sensors 403 reaches the preset feeding value, the controller 10 will automatically control the clamp valve 406 to open according to the data fed back by the weighing sensors 403, and transport the material to the hose 8 to complete the precise feeding process, ensuring that the sample quantity of the material meets the preset standard. The whole process relies on the action of gravity, so that the material flows naturally, reducing the use of external mechanical power and improving the efficiency and stability of the system.

[0030] In one embodiment, the mixing component 6 includes a protective shell 601 disposed on one side of the sample rack 1. A drive component 602 is disposed inside the protective shell 601. A stirring shaft 603 is disposed on one side of the drive component 602. A mixing tank 604 is disposed outside the stirring shaft 603. Stirring blades 605 are disposed on the outer circumference of the stirring shaft 603. The drive component 602 includes a drive motor 6021 disposed on one side of the protective shell 601. A bevel gear 6022 is disposed at the output end of the drive motor 6021. Two ends of one side of the bevel gear 6022... A bevel gear 6024 meshes with the stirring shaft 603, and a bevel gear 6023 is positioned between the two sets of bevel gears 6024. The center of the bevel gear 6023 is connected to one end of the stirring shaft 603, thereby enabling the stirring shaft 603 to be driven by the drive assembly 602. In conjunction with the design of the mixing tank 604 and the stirring blades 605, materials of different components are efficiently mixed evenly, thereby accurately preparing standard fuels of different octane ratings. The infrared detection device 7 can detect the state of the materials in the mixing tank 604, thereby ensuring the stability of the mixing process and the reliability of the fuel quality.

[0031] Specifically, the working principle of the mixing component 6 includes: the controller 10 starts the drive motor 6021, the output end of the drive motor 6021 drives the first bevel gear 6022 to rotate, the first bevel gear 6022 drives the two sets of second bevel gears 6024 meshing with it to rotate, the two sets of second bevel gears 6024 drive the third bevel gear 6023 to rotate, thereby driving the stirring shaft 603 to rotate, the stirring shaft 603 drives the stirring blades 605 to rotate, and thus driving the materials in the mixing tank 604 to mix, accurately preparing standard fuels of different octane ratings.

[0032] In one embodiment, for the pinch valve 406, a flexible hose 8 is provided between the bottom end of the pinch valve 406 and the measuring tube 5, and between the measuring tube 5 and the mixing tank 604. A solenoid valve 9 is provided on the outer circumference of the flexible hose 8, so that the material flow in the flexible hose 8 can be precisely controlled by the solenoid valve 9, the material flow rate can be effectively adjusted, and the flow rate of the material from the measuring tube 5 to the mixing tank 604 can be ensured to meet the predetermined standard.

[0033] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0034] In practical applications, the materials (including isooctane and n-heptane, etc.) in the gallon container 3 are first conveyed to the hose 8 through the weight detection component 4 (the working principle of the weight detection component 4 is as described above), and then conveyed to the measuring tube 5 (the measuring tube 5 has several graduated grooves on its surface, so that the internal volume of the measuring tube 5 can be accurately calculated). The flow rate inside the hose 8 is precisely controlled by the principle of gravity and the solenoid valve 9. After the material volume inside the measuring tube 5 is calculated, according to the preset mixing standard, the material in each hose 8 is controlled by the solenoid valve 9 to flow into the mixing tank 604. Then, the material in the mixing tank 604 is mixed by the mixing component 6 (the working principle of the mixing component 6 is as described above), and the state of the material in the mixing tank 604 can be detected by the infrared detection device 7, thereby ensuring the stability of the mixing process and the reliability of fuel quality, and accurately preparing standard fuels with different octane ratings.

[0035] Specifically, the infrared detection device 7 detects the material state inside the mixing tank 604 using the principle of infrared spectroscopy analysis. Specifically, it uses an infrared light source to emit infrared light of a specific wavelength. After penetrating the fuel sample, the fuel molecules absorb the infrared light of that specific wavelength according to their different chemical compositions. The infrared detector receives the reflected or transmitted light after passing through the sample and analyzes its absorption spectrum characteristics. Changes in the spectrum can determine the fuel's composition, concentration, and whether it is uniformly mixed. During the mixing process, the infrared absorption spectrum of the fuel continuously changes until the components are completely mixed, at which point the spectrum reaches a stable state, indicating that mixing is complete. Simultaneously, the infrared device can perform component detection at multiple points. If the spectral data at each point are consistent, it indicates that the fuel is uniformly mixed and meets the preset standards. The infrared detection device 7 can monitor the fuel's octane number, concentration, and component ratio in real time and feed this information back to the controller 10. If the octane number does not meet the standard or the component ratio is incorrect, the controller 10 can automatically adjust the feeding ratio or mixing speed of the solenoid valve 9 to ensure accurate preparation of standard fuels with different octane ratings.

[0036] In summary, by utilizing the above-mentioned technical solution of this utility model, the present utility model, through the setting of the weight detection component 4, can monitor the weight of the material in the gallon container 3 in real time, ensuring the accuracy of each sample preparation. Based on the weight data fed back by the weighing sensor 403, when the material inside the gallon container 3 reaches the set discharge value, the controller 10 opens the clamp valve 406 to deliver the material into the hose 8. The material flows naturally into the hose 8 under its own gravity, without the need for an additional pump or pressurizing equipment. This not only ensures smooth material flow but also ensures that the sample preparation amount meets the preset standard. The present utility model, through the setting of the mixing... The assembly 6, through the drive assembly 602, drives the stirring shaft 603, and in conjunction with the design of the mixing tank 604 and stirring blades 605, efficiently mixes materials of different components evenly, thereby accurately preparing standard fuels with different octane ratings. The infrared detection device 7 can detect the state of the materials in the mixing tank 604, thus ensuring the stability of the mixing process and the reliability of fuel quality. This utility model uses the solenoid valve 9 to precisely control the flow of materials in the hose 8, thereby effectively regulating the material flow rate and ensuring that the flow rate of materials from the measuring tube 5 to the mixing tank 604 meets the predetermined standard.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. Automatic sample dispenser for octane standard fuels from gravity infrared system, comprising a sample dispenser frame (1), characterized in that, The inner top side of the sample preparation frame (1) is provided with a support plate (2), the top of the support plate (2) is provided with a plurality of gallon barrels (3), the bottom of the gallon barrel (3) is provided with a weight detection assembly (4); The other side of the top of the sample preparation frame (1) is provided with a plurality of burettes (5), the inner bottom side of the sample preparation frame (1) is provided with a mixing assembly (6) matched with the burette (5), and the outer two ends of the sample preparation frame (1) are provided with infrared detection equipment (7) matched with the mixing assembly (6).

2. The self-gravity infrared system octane standard fuel autosampler of claim 1, wherein, The weight detection assembly (4) comprises a connecting plate (401) arranged at the bottom of the support plate (2) and connected with the gallon barrel (3), a discharging cylinder (402) arranged at the bottom of the connecting plate (401), a weighing sensor (403) arranged at the bottom end of the discharging cylinder (402), and a placing plate (404) arranged at the bottom end of the weighing sensor (403).

3. The self-gravity infrared system octane standard fuel autosampler of claim 2, wherein, The bottom end of the discharging cylinder (402) is provided with a connecting block (405), and the connecting block (405) is connected with a pinch valve (406).

4. The self-gravity infrared system octane standard fuel autosampler of claim 3, wherein, The sample preparation frame (1) is of L-shaped structure, and the bottom of the discharging cylinder (402) is of conical structure.

5. The self-gravity infrared system octane standard fuel autosampler of claim 4, wherein, The mixing assembly (6) comprises a protective shell (601) arranged at one side of the outer side of the sample preparation frame (1), a driving assembly (602) arranged in the protective shell (601), a stirring shaft (603) arranged at one side of the driving assembly (602), a mixing tank (604) arranged at the outer side of the stirring shaft (603), and stirring blades (605) arranged at the circumferential outer side of the stirring shaft (603).

6. The self-gravity infrared system octane standard fuel autosampler of claim 5, wherein, The driving assembly (602) comprises a driving motor (6021) arranged at one side of the outer side of the protective shell (601), a bevel gear one (6022) arranged at the output end of the driving motor (6021), a bevel gear two (6024) arranged at both ends of one side of the bevel gear one (6022), a bevel gear three (6023) arranged between the two groups of bevel gear two (6024), and the center position of the bevel gear three (6023) is connected with one end of the stirring shaft (603).

7. The self-gravity infrared system octane standard fuel autosampler of claim 6, wherein, The bottom end of the pinch valve (406) and the burette (5) and the burette (5) and the mixing tank (604) are provided with a hose (8), and the circumferential outer side of the hose (8) is provided with a solenoid valve (9).