CN115716638A - Device and method for detecting gas-liquid ratio of automobile refueling synchronization - Google Patents
Device and method for detecting gas-liquid ratio of automobile refueling synchronization Download PDFInfo
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- CN115716638A CN115716638A CN202211558603.4A CN202211558603A CN115716638A CN 115716638 A CN115716638 A CN 115716638A CN 202211558603 A CN202211558603 A CN 202211558603A CN 115716638 A CN115716638 A CN 115716638A
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Abstract
The invention provides a device and a method for detecting a gas-liquid ratio in automobile refueling synchronization, which are used for solving the technical problem that the gas-liquid ratio cannot be detected when a gas station refuels an automobile. This gas-liquid is than special check out test set, exempt from petrol container, include: the equipment main body is handheld and is communicated with an air return hole of the oil gun; the setting is in miniaturized gas flowmeter in the equipment main part for measure retrieve extremely the gas flow parameter of oil gas recovery system, be equipped with gas flow channel in the gas flowmeter, air inlet and the gas outlet that is linked together with gas flow channel, the equipment gas outlet passes through silica gel hose and adapter intercommunication, the adapter for the rifle shape, the external diameter is not more than the internal diameter of the oil filler hole of car, closely cooperates with the return-air inlet of nozzle, ensures that all gas of car recovery when refueling passes through the gas flowmeter measurement. The detection equipment and the detection method provided by the invention can synchronously measure the environment-friendly parameters of the oil gun when the automobile is refueled and can accurately determine the gas-liquid ratio.
Description
Technical Field
The invention relates to the technical field of oil-gas detection equipment, in particular to equipment and a method for detecting the synchronous gas-liquid ratio of automobile refueling.
Background
Along with the national protection of resource and environment and the control of the discharge of atmospheric pollutants of the gas station, the oil gas recovery and improvement project of the gas station is popularized and implemented nationwide. At present, the existing oil gas recovery equipment is mainly of a vacuum auxiliary type, the vacuum degree of a gas return pipeline is established in the refueling process, oil gas discharged from a refueling vehicle oil tank is pumped back to a buried oil tank, the recovery amount of the oil gas depends on the vacuum degree of the pipeline, the demand of oil gas recovery depends on the magnitude of the refueling amount, the matching ratio of the oil gas recovery amount and the refueling amount becomes the core index of a gas station recovery system, namely, the gas-liquid ratio is greatly influenced by uncertain factors such as temperature, external environment and tank pressure, the gas-liquid ratio, the leakproofness, liquid resistance and the like form three major indexes of oil gas recovery of a gas station, wherein the gas-liquid ratio index is easy to fluctuate and generate deviation, and the detection demand is large. The oil gas recovery detection equipment of the gas station is basic equipment for detecting three indexes of oil gas recovery, is standard equipment for calibrating and calibrating an oil gas recovery system of the gas station, and is an important guarantee for normal operation of the oil gas recovery of the gas station. Therefore, the detection technology of the oil gas recovery system of the gasoline station is more and more emphasized by people.
However, the oil gas recovery detection equipment used in the existing oil gas recovery system at present belongs to test equipment with a plurality of parameters, has a large volume and heavy equipment, and needs two persons to lift or push; when the gasoline gun is used for detecting gasoline, gasoline is filled into the special gasoline container by the gasoline gun, the volume of the gasoline container is limited, and the gasoline needs to be transferred after the gasoline container is filled, so that the test time and the measurement accumulated volume are limited, the recovery amount of oil gas cannot be accurately determined while the automobile is filled, and the problem of an oil gas recovery online monitoring system cannot be found in time. In addition, current check out test set exists the operation complicacy, needs the filling station to stop the nozzle and open business to the outside, refuels, fortune oil, returns the jar, and not only consuming time is hard, has the potential safety hazard moreover, and the testing process jamming factor is many, easily leads to the inaccurate scheduling problem of detection data.
Therefore, there is a need to provide a novel apparatus and method for detecting a gas-liquid ratio in synchronization with refueling of a vehicle to solve the above problems.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide a device and a method for detecting a gas-liquid ratio in automobile refueling synchronization, which can solve at least one technical problem mentioned above. The specific scheme is as follows:
the invention provides a device and a method for detecting a gas-liquid ratio of automobile refueling synchronization, which are special gas-liquid ratio detection devices and gasoline-free containers, wherein the device for detecting the gas-liquid ratio of the automobile refueling synchronization comprises:
the equipment main body (1) is handheld and is communicated with an oil gas recovery system through an oil gun;
the gas flowmeter (6) is miniaturized, arranged in the equipment main body (1) and used for measuring gas flow parameters of oil gas recovered to the oil gas recovery system, a gas flow channel (9), a gas inlet and a gas outlet communicated with the gas flow channel (9) are arranged in the gas flowmeter (6), and the gas outlet of the gas flow channel (9) is connected with the rubber gas flow channel (8) and is communicated with the gas outlet (12) of the equipment main body (1) through the rubber gas flow channel (8);
the data collector (7) is arranged in the equipment main body (1) and is configured to perform information data interaction with the gas flowmeter (6);
the oil gun adapter (16) is arranged on the upper side of the equipment main body (1) and is hermetically connected with the oil gun;
the gas outlet (12) of the equipment main body (1) is connected with a gas-oil recovery pipeline (15); the other end of the oil gas recovery pipeline (15) is connected with a fuel nozzle adapter (16).
Further preferably, the oil gun adapter (16) is gun-shaped, an inner cavity is arranged to be closely matched with an oil gun barrel, the distance is less than 5mm, the length is less than 37mm, an adapter air inlet (17) is arranged, and the outer diameter is less than 10 mm; the outer diameter of the oil gun adapter (16) is smaller than that of a common automobile oil filling port; and the fuel nozzle adapter (16) is used for measuring the pressure parameter of oil gas in the gas flow passage.
More preferably, the gas flowmeter (6) is designed to be electronically compact, and has a three-dimensional size of 110mm × 60mm × 45mm or less.
Further preferably, the oil gas recovery system of the gas station comprises an oil dispenser, a fuel gun, an oil tank and a connecting pipeline for connecting the oil tank and the oil dispenser;
and a gas flow passage (9) of the gas flowmeter (6), a rubber gas flow passage (8) and a connecting pipeline of the oil-gas recovery system cooperate to form a matching structure so as to measure the instantaneous flow and the accumulated flow when the automobile is refueled.
Further preferably, the fitting structure comprises a sealing auxiliary structure to form a sealed gas passage, and the sealed flexible connection is used as the fitting structure to prevent the gas passage from leaking gas to cause the reduction of the measured value.
Further preferably, the sealing auxiliary structure comprises a seamless sealing rubber strip (3) arranged in the shell cover plate (2), and rubber pads arranged on a switch button (11), an air outlet (12), a zero clearing button (13) and an air inlet (14) of the equipment body (1), and forms a sealing space with the equipment shell.
Further preferably, the data collector (7) is a micro-power consumption and explosion-proof type collector, a display screen (31) is arranged, and the data collector (7) is connected with the battery bin (4), the gas flowmeter (6), the switch button (11) and the zero clearing button (13) through data lines to perform data communication.
Preferably, the data collector (7) comprises a single chip microcomputer, the single chip microcomputer is arranged between the gas flowmeter (6) and the gas flow meter to collect data through a signal line (10), and detected gas flow parameters are displayed.
Preferably, the keyboard (30) is an explosion-proof membrane contact key, is arranged in a concave groove of the equipment main body (1) and is flush with the surface of the equipment main body (1), comprises a number key, a primary key, a secondary key, a decimal key, a moving key and a confirmation key and is used for inputting oiling flow after the automobile is oiled, and the data acquisition unit automatically calculates the gas-liquid ratio, namely the return air volume/oiling amount, and stores or processes data.
Compared with the prior art, the scheme of the invention at least has the following beneficial effects:
the invention provides a method and equipment for detecting a gas-liquid ratio of automobile refueling synchronization, wherein a special detection system of an automobile refueling synchronization refueling gun is designed, and an existing closed parameter tester, a liquid resistance parameter tester, a gas-liquid ratio parameter tester, a temperature parameter tester, a humidity parameter tester and the like have the defects of being non-specific in function, large in size and not suitable for a narrow space formed by an automobile and a refueling machine; in the existing equipment detection process, a gasoline container of more than 60L is specially configured to simulate the refueling process of a refueling gun, and the invention is a gasoline container-free and automobile refueling synchronous test scheme and adopts a method of matching detection of a handheld detection host machine and a gun-shaped adapter; the invention has specially designed and developed the smallest waist wheel type gas flowmeter in China, as the core part of the apparatus, the miniaturized waist wheel, gear, bearing coefficient are designed according to the low pressure, small flow oil gas characteristic, the volume, weight of the apparatus are reduced to one tenth of the oil gas recovery detection apparatus, the return line length and bore are shortened to one third, have solved the car and oiler and formed the narrow and small space problem, the adapter length, bore, seal and according to the oil gun shape and size, position of the return port and the limit calculation of the gun shape, verify and adjust repeatedly, solve the oil-gas separation measured problem of the car refueling process, make the car refuel the synchronous measurement become possible; before an automobile is refueled, the adapter is sleeved according to the shape of the refueling gun, the gun-shaped adapter and a matched body of the refueling gun can be inserted into an automobile oil tank port, and the adapter is connected with the equipment main body; when an automobile is refueled, relevant flow parameters of oil gas recovered by a refueling gun are measured while gasoline is refueled; after the automobile is refueled, the gasoline volume displayed by the refueling machine is read out, the refueling volume is input through an equipment keyboard and a display screen, and the environment-friendly parameter of the refueling gun, namely the gas-liquid ratio, is calculated and displayed, so that the synchronous measurement method for refueling the automobile is realized. After the measurement is finished, the adapter of the oil filling gun is directly disassembled.
In addition, a gas flow passage passing through the gas flowmeter and a connecting pipeline of the oil gas recovery system cooperate and form a matching structure for measuring instantaneous flow and accumulated flow when the automobile is refueled. And when the automobile is refueled, the recovered oil gas is measured, and the gas outlet of the gas flow passage, the gas flowmeter communicated with the rubber gas flow passage and the connecting gas inlet pipeline form a closed flow path so as to be used as an auxiliary matching structure.
In addition, a data acquisition unit with keyboard input is additionally arranged, the data acquisition unit is a micro-power consumption and explosion-proof type acquisition unit, a display screen and a key keyboard are arranged, and the data acquisition unit is connected with the battery bin, the flowmeter, the switch button and the zero clearing button through data lines to carry out data communication. After the automobile is refueled, the refueling volume is input through the keyboard, whether the gas-liquid ratio of the refueling gun has a problem or not is judged in time, and then the problems of blocking, leakage and the like of the gas are effectively avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention patent, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic plan view of a gas-liquid ratio detecting device for a vehicle refueling synchronous system according to an embodiment of the invention;
FIG. 2 is a block diagram showing a schematic structure of an oil gas recovery system of a fueling station in an application example of the apparatus for detecting a gas-liquid ratio in synchronization with fueling of a vehicle according to the embodiment of the present invention;
FIG. 3 is a schematic view showing a fuel nozzle of the apparatus for detecting gas-liquid ratio in synchronization with refueling of a vehicle according to the embodiment of the present invention;
FIG. 4 is a diagram showing the practical application of a fuel nozzle of the matching structure of the device for detecting the gas-liquid ratio in the vehicle fuel filling synchronization according to the embodiment of the invention;
FIG. 5 is a photograph showing a sample of a fuel nozzle of the apparatus for detecting gas-liquid ratio in synchronization with refueling of an automobile;
FIG. 6 is a sample photograph showing the apparatus for detecting gas-liquid ratio in the process of refueling the automobile according to the present invention.
1-device body, 2-shell cover plate, 3-sealing rubber strip, 4-battery chamber, 5-power line, 6-flow meter, 7-data acquisition unit, 8-rubber gas flow channel, 9-gas flow channel, 10-signal line, 11-switch button, 12-air outlet, 13-zero button, 14-air inlet, 15-oil gas recovery pipeline, 16-adapter, 17-adapter air inlet, 18-oil gun, 30-keyboard, 31-display screen, 50-oil gas recovery system, 52-oil filling machine, 53-oil tank and 54-connecting pipeline
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
It should be understood that although the terms first, second, third, etc. may be used to describe embodiments of the present invention, they should not be limited to these terms.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrases "comprising one of \8230;" does not exclude the presence of additional like elements in an article or device comprising the element.
FIG. 1 is a schematic plan view of a gas-liquid ratio detection device for vehicle fueling synchronization according to an embodiment of the present invention.
The device and the method for detecting the gas-liquid ratio of the automobile refueling synchronization are used for detecting oil gas refueled by a refueling gun of an oil gas recovery system, namely detecting the oil gas in the process of recovering the oil gas from a refueling tank during refueling. Specifically, when the oil tank is filled with oil, whether oil gas is recovered and whether the ratio of the oil gas recovery amount to the oil filling amount is within a specified ratio range (for example, 1.
As shown in FIG. 1, the device for detecting the gas-liquid ratio in the automobile refueling synchronization comprises: the equipment main body 1 is handheld, is communicated with the oil gas recovery system 50 through the oil gun 18, and the equipment main body 1 is internally provided with a gas flow meter 6, and for miniaturization, the gas flow meter 6 is used for measuring gas flow parameters of oil gas recovered to the oil gas recovery system.
Specifically, a gas flow passage 9, a gas inlet and a gas outlet communicated with the gas flow passage 9 are arranged in the gas flowmeter 6, the gas flow passage 9 is connected with the rubber gas flow passage 8 through the gas outlet and is communicated with a gas outlet 12 of the equipment main body 1 through the rubber gas flow passage 8, and the gas outlet 12 of the equipment main body 1 is used for being connected with an oil gas recovery pipeline 15.
Preferably, the gas meter 6 is an electronic waist wheel meter.
In a specific embodiment, the gas outlet 12 penetrates through the equipment housing 1, and is provided as a threaded bidirectional pagoda head, a sealing rubber pad is additionally arranged, a nut is arranged inside the bidirectional pagoda head, the gas outlet 12 is locked, and the internal pagoda head is connected with the rubber gas flow passage 8, preferably in a sealing connection.
Specifically, the gas outlet 12 communicates with the fueling gun 18 of the oil gas recovery system 50 and is used for recovering oil gas passing through the gas flow passage into the oil tank.
Further, the fueling gun 18 may be equipped with a fueling gun adapter 16 in a gun shape, the fueling gun adapter 16 is provided with an air inlet 17, the air inlet 17 is communicated with an oil gas recovery pipeline 15, and the oil gas recovery pipeline 15 may be long or short, adjusted according to the site requirements of a gas station, and hermetically connected with the air outlet 12 of the equipment main body 1.
In the present embodiment, the hermetic connection includes a gas flow passage, but the present invention is not limited thereto, and the above description is only an alternative example, and is not to be construed as limiting the present invention.
FIG. 2 is a block diagram showing the structure of an oil-gas recovery system in an application example of the device for detecting the gas-liquid ratio in the automobile refueling synchronization.
As can be seen from fig. 2, the oil and gas recovery system 50 includes a fuel dispenser 52, a fuel tank 53, and a connecting pipe 54 connecting the fuel tank 53 and the fuel dispenser 52, but is not limited thereto, and in other embodiments, other components or accessories may be included, and the above description is given by way of example only.
Referring to fig. 1 and 3, a battery compartment 4 and a data collector 7 are also provided in the apparatus main body 1, wherein the battery compartment 4 is used for supplying power to the apparatus; the data collector 7 can interact information data with the gas flowmeter 6, the keyboard 30 and the display screen 31.
Alternatively, the flow sensor of the gas flow meter is an electronic type sensor for miniaturization, for measuring instantaneous flow and cumulative flow of gas in the gas flow passage 9, and the gas flow meter is set to have a volume of not more than 110mm × 60mm × 45mm, so as to constitute a hand-held, portable type device operable with one hand.
In the present embodiment, the gas flow passage 9 of the gas flow meter 6, the fuel gun adapter 16 and the detection port of the fuel gun 18 of the oil and gas recovery system, a part of the piping connecting the piping 54, and the oil tank 53 cooperate and form a fitting structure (see fig. 4 in particular) for measuring the volume of the oil and gas recovered by the oil tank of the oil and gas recovery system 50 by the vacuum pump.
It should be noted that the formation and matching structure of the closed gas channel is described as a preferred example, and the invention is not limited thereto.
The gas flow channel, the gas outlet of the gas flow channel, the flow sensor communicated with the gas flow channel, the gas inlet, a part of pipeline of the connecting pipeline and the oil filling gun adapter are used as matching structures, and parameters in the gas flow channel of the gas flowmeter can be accurately determined through the matching structures.
The gas volume in the gas flow channel of the gas flowmeter is determined through the matching structure, the matching structure further comprises a closed auxiliary structure, the closed auxiliary structure specifically comprises a shell cover plate internally provided with a seamless sealing rubber strip 3, and the switch button 11, the gas outlet 12, the zero clearing button 13 and the gas inlet 14 are all provided with rubber pads to form a closed space with the shell. The related flow parameters of the oil gas recovery process can be accurately determined, and the safety, convenience and rapidness of the synchronous measurement of automobile refueling can be ensured.
Furthermore, the device for detecting the gas-liquid ratio of the automobile refueling synchronization also comprises a membrane keyboard 30, wherein the membrane keyboard 30 comprises numbers, letters, a confirmation key, a moving key, a return key and a function key and is in data communication with the data acquisition unit 7 through a data line.
Specifically, the device body 1 of the device for detecting the gas-liquid ratio in the automobile refueling synchronization is a handheld, movable and explosion-proof terminal.
In the present embodiment, the apparatus main body 1 is further provided with a liquid crystal display 31, the liquid crystal display 31 is a man-machine interface for detecting the oil-gas recovery at the time of refueling, and the liquid crystal display 31 is used for collecting and displaying flow parameters, keyboard input numerical values, and the like related to the oil-gas recovery, and after the refueling amount is input, parameters such as a gas-liquid ratio, a gas-liquid ratio (a relationship between the ratio of the oil-gas recovery amount and the refueling amount and a predetermined ratio, for example, a predetermined ratio of 1.
Specifically, when the automobile is refueled, the gas flow meter 6 is used for detecting the flow of gas entering the oil gas recovery system through the gas flow channel in the refueling process, the recovery amount of oil gas in the refueling process can be obtained, and the gas-liquid ratio in the current refueling process can be determined according to the refueling amount recorded in the refueling process so as to determine whether the oil gas recovery is normal or not.
Specifically, if the determined gas-liquid ratio is greater than a specified ratio, it indicates the amount of air entering the oil tank, which may cause the secondary volatilization of gasoline in the oil tank, thereby causing gasoline loss. If the determined gas-liquid ratio is less than a specified ratio, it is an indication that gas and oil are being vented to the atmosphere during refueling, which can lead to air pollution. And if the determined gas-liquid ratio is equal to a specified ratio, or is slightly larger than the specified ratio by a set value, or is slightly smaller than the specified ratio by a set value, indicating that the oil gas recovery is normally recovered in the refueling process.
In this embodiment, the data collector 7 includes a single chip, and the single chip (for example, a motherboard) is provided with a keyboard 30 and a display screen 31 for data communication, and transmits the detected gas flow parameters to the display screen 31. In addition, a temperature sensor is arranged in the single chip microcomputer, for example, the single chip microcomputer interacts with data of the single chip microcomputer through a zero clearing button 13, and the single chip microcomputer is connected with a zero clearing button 31 through a cable.
Specifically, the single chip microcomputer comprises a processor, a time-to-digital converter, a storage circuit, a communication circuit and a power circuit, wherein the processor is electrically connected with the communication circuit, the storage circuit, the power circuit and the time-to-digital converter so as to realize the data interaction or the data communication.
Further, the oil gas flowing through the oil gas recovery line 15 is pumped into the oil tank 53 of the oil gas recovery system 50 by the suction pump.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
The invention provides a method and equipment for detecting a synchronous gas-liquid ratio in automobile refueling, which are special gas-liquid ratio detection equipment and are of a handheld portable structure, a small-sized gas flow and a gun-shaped adapter are adopted to be matched for detecting related flow parameters in an automobile refueling process, and specifically, a gas flow passage is arranged in a gas flowmeter, so that a refueling gun, partial pipelines of connecting pipelines and an oil tank can be flexibly connected to form a matching structure, the whole structure can be optimized, and the related flow parameters in an oil gas recovery process can be accurately detected.
Claims (9)
1. The utility model provides a synchronous gas-liquid ratio check out test set of car refueling which characterized in that, the synchronous gas-liquid ratio check out test set of car refueling includes:
the device comprises a device main body (1), a gas-liquid recovery system and a gas-liquid recovery system, wherein the device main body is handheld and is communicated with a gas-liquid recovery system of a refueling machine in a gas station through a refueling gun;
the gas flowmeter (6) is arranged in the equipment main body (1) and used for measuring gas flow parameters recovered to the oil gas recovery system, a gas flow channel (9), a gas inlet and a gas outlet communicated with the gas flow channel (9) are arranged in the gas flowmeter (6), and the gas outlet of the gas flow channel (9) is connected with the rubber gas flow channel (8) and is communicated with the gas outlet (12) of the equipment main body (1) through the rubber gas flow channel (8);
the data collector (7) is arranged in the equipment main body (1) and is configured to perform information data interaction with the gas flowmeter (6);
the oil gun adapter (16) is arranged on the upper side of the equipment main body (1) and is hermetically connected with the oil gun;
the air outlet (12) of the equipment main body (1) is connected with an oil gas recovery pipeline (15); the other end of the oil gas recovery pipeline (15) is connected with a fuel nozzle adapter (16).
2. The apparatus for detecting gas-liquid ratio in automobile refueling synchronization according to claim 1,
the oil gun adapter (16) is a gun-shaped adapter, an inner cavity of the oil gun adapter is closely matched with an oil gun barrel, the distance is less than 5mm, the length is less than 37mm, an air inlet (17) of the adapter is formed, and the outer diameter is less than 10 mm; the outer diameter of the oil gun adapter (16) is smaller than that of a common automobile oil filling port; the oil filling gun adapter (16) is in sealing fit with the oil filling gun (18) and is used for collecting and assisting in measuring gas in the gas flow channel.
3. The apparatus for detecting gas-liquid ratio in synchronization with refueling of an automobile as set forth in claim 1,
the gas flowmeter (6) is an electronic type miniaturized flowmeter, and the three-dimensional size is less than 110mm multiplied by 60mm multiplied by 45 mm.
4. The apparatus for detecting gas-liquid ratio in automobile refueling synchronization according to claim 3,
the oil gas recovery system of the gas station comprises an oiling machine, an oiling gun, an oil tank and a connecting pipeline for connecting the oil tank and the oiling machine;
and a gas flow passage (9) of the gas flowmeter (6), a rubber gas flow passage (8) and a connecting pipeline of the oil-gas recovery system cooperate to form a matching structure so as to measure the instantaneous flow and the accumulated flow when the automobile is refueled.
5. The apparatus for detecting gas-liquid ratio in synchronization with refueling of an automobile as set forth in claim 4, wherein the fitting structure includes a sealing auxiliary structure to form a sealed gas passage, and a sealing flexible connection is used as the fitting structure to prevent a gas leakage from the gas passage from causing a decrease in the measured value.
6. The apparatus for detecting gas-liquid ratio in synchronization with refueling of an automobile as set forth in claim 5,
the sealing auxiliary structure comprises a shell cover plate (2) and a built-in seamless sealing rubber strip (3), wherein rubber pads are arranged on a switch button (11), an air outlet (12), a zero clearing button (13) and an air inlet (14) of the equipment main body (1), and a sealing space is formed between the sealing auxiliary structure and the equipment shell.
7. The apparatus for detecting gas-liquid ratio in synchronization with refueling of an automobile as set forth in claim 1,
the data acquisition unit (7) is a micro-power consumption and explosion-proof type acquisition unit and is provided with a display screen (31), and the data acquisition unit (7) is connected with the battery bin (4), the gas flow meter (6), the switch button (11), the zero clearing button (13) and the keyboard (30) through data lines to perform data communication.
8. The apparatus for detecting gas-liquid ratio in refueling synchronous vehicle of claim 7,
the data acquisition unit (7) comprises a single chip microcomputer, the single chip microcomputer is arranged between the gas flowmeter (6) and can acquire data through a signal line (10), and detected gas flow parameters are displayed.
9. The apparatus for detecting gas-liquid ratio in synchronization with refueling of an automobile according to claim 7 or 8,
the keyboard (30) is an explosion-proof thin film contact key, is arranged in a concave groove of the equipment main body (1) and is flush with the surface of the equipment main body (1), comprises a numeric key, a primary key, a secondary key, a decimal key, a moving key and a confirmation key and is used for inputting the oiling flow after an automobile is oiled, and the data acquisition unit automatically calculates the gas-liquid ratio, namely the return air volume/the oiling amount and stores or processes the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558603.4A CN115716638A (en) | 2022-12-06 | 2022-12-06 | Device and method for detecting gas-liquid ratio of automobile refueling synchronization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211558603.4A CN115716638A (en) | 2022-12-06 | 2022-12-06 | Device and method for detecting gas-liquid ratio of automobile refueling synchronization |
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| CN115716638A true CN115716638A (en) | 2023-02-28 |
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| CN202211558603.4A Pending CN115716638A (en) | 2022-12-06 | 2022-12-06 | Device and method for detecting gas-liquid ratio of automobile refueling synchronization |
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| CN (1) | CN115716638A (en) |
Cited By (2)
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| CN116654858A (en) * | 2023-07-26 | 2023-08-29 | 中国石油天然气股份有限公司江苏销售分公司 | Oil gas recovery detector |
| CN116777175A (en) * | 2023-07-06 | 2023-09-19 | 车泊喜智能科技(山东)有限公司 | Wisdom adds oil statistics data analysis management cloud platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116777175A (en) * | 2023-07-06 | 2023-09-19 | 车泊喜智能科技(山东)有限公司 | Wisdom adds oil statistics data analysis management cloud platform |
| CN116777175B (en) * | 2023-07-06 | 2024-04-30 | 车泊喜智能科技(山东)有限公司 | Wisdom adds oil statistics data analysis management cloud platform |
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