WO2015194795A1 - Appareil pour distributeur de carburant permettant d'empêcher le mélange de carburants - Google Patents

Appareil pour distributeur de carburant permettant d'empêcher le mélange de carburants Download PDF

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Publication number
WO2015194795A1
WO2015194795A1 PCT/KR2015/005916 KR2015005916W WO2015194795A1 WO 2015194795 A1 WO2015194795 A1 WO 2015194795A1 KR 2015005916 W KR2015005916 W KR 2015005916W WO 2015194795 A1 WO2015194795 A1 WO 2015194795A1
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WO
WIPO (PCT)
Prior art keywords
voc
fuel
sensor
gas
oil
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PCT/KR2015/005916
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English (en)
Korean (ko)
Inventor
백영주
탁남규
Original Assignee
(주) 다인레벨
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Application filed by (주) 다인레벨 filed Critical (주) 다인레벨
Publication of WO2015194795A1 publication Critical patent/WO2015194795A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles

Definitions

  • the present invention relates to a technology for preventing blending of gasoline in a gasoline vehicle or gasoline in a gasoline vehicle. More particularly, the present invention relates to a vehicle fuel oil using a volatile organic compound (VOC) sensor. After measuring the VOC gas concentration of the tank and distinguishes between gasoline and gasoline, it is related to the oil mixture prevention device of the lubricator which can prevent the mixing by automatically shutting off the solenoid valve when it is different from the oil type of the lubricator.
  • VOC volatile organic compound
  • the outer diameter of the gasoline nozzle is designed to be smaller than the outer diameter of the gasoline nozzle, so that the gasoline nozzle having a large outer diameter is not inserted into the small oil inlet formed in the gasoline fuel tank.
  • domestic production vehicles are 22mm in fuel supply ports for gasoline vehicles, 19mm in gasoline gasoline nozzles, and 32-40mm in gasoline gasoline fuel nozzles, and 25mm in gasoline gasoline nozzles.
  • the lubricator nozzle is smaller than the lubrication port of the diesel vehicle, so it is easy to cause an accident of oil mixing that erroneously petrols the fuel when the diesel vehicle is refueled. In particular, the increase in self-lubrication is increasing such a mixed accident.
  • Vehicle fuel mixing prevention device registered in the Republic of Korea Patent Publication No. 10-1247447 is at least one of the fuel nozzle of the gas tank for oil filling gas, the magnetic pad of the magnetic pad attached to the oil inlet of the diesel passenger car It is to block the supply of gasoline by the change of physical properties detected by the magnetic sensing sensor, including the magnetic sensing sensor whose physical properties change under the influence, and "lubricator oil mixing prevention device” disclosed in Publication No. 10-2011-0131844 It is to prevent mixing by using sensor and contact sensor.
  • Patent Document 1 KR10-1247447 B1
  • Patent Document 2 KR10-2011-0131844 A
  • Patent Document 3 KR10-2011-0083401 A
  • the present invention has been proposed to solve the above problems, and an object of the present invention is to measure the VOC gas concentration of the vehicle fuel oil tank using a volatile organic compound (VOC) sensor, and then If differentiating and different oil type of lubricator, it is to provide a lubrication prevention device of the lubricator which can prevent the mixing by automatically blocking the solenoid valve.
  • VOC volatile organic compound
  • the VOC sensor for detecting the volatile organic compounds inside the fuel oil tank of the vehicle to be refueled installed in the lubricator nozzle;
  • a sensor power supply unit for supplying power to the VOC sensor;
  • a signal detector for detecting a signal sensed by the VOC sensor; Hooking off the lubricator nozzle for lubrication supplies power to the VOC sensor through the sensor power supply, and detects the non-volatile organic matter inside the tank when the spout of the lubricator nozzle is inserted into the feed port of the vehicle fuel tank to be refueled.
  • a mixed oil prevention control unit which receives a signal and calculates a concentration of nonvolatile organic substances detected through signal processing to determine a fuel oil type of the vehicle, and instructs the solenoid controller to shut off the solenoid valve when the mixed oil is determined; And a solenoid controller for blocking the solenoid valve of the oil supply pipe under the control of the mixing control unit.
  • the mixing prevention apparatus further includes an alarm unit that generates an alarm sound according to a control signal when mixing is detected, and the mixing prevention control unit generates an alarm sound by controlling the alarm unit when it is determined that the mixture is mixed.
  • the VOC sensor has a semiconductor VOC sensor chip mounted in an inner space of a housing in which a hole is formed at one side, and a micro mesh network is attached to the hole to allow gas such as volatile organic gas to pass and block gas such as gasoline or liquid.
  • the semiconductor VOC sensor chip reacts with the VOC gas and the gas detection unit causing a change in resistance, and by heating the detected VOC gas to an appropriate temperature It consists of a heater to increase the activation energy of the detection gas, the gas detector is a Pt catalyst is added to the SnO 2 material.
  • the micro mesh network has a mesh diameter of 30 to 100 ⁇ m, and the hydrophobic surface is coated with PPFC on the mesh sheet to improve the waterproof ability of the mesh sheet.
  • a VOC (volatile organic compound) measuring sensor is mounted on the spout at the tip of the lubricator nozzle, and after measuring the VOC gas concentration in the vehicle fuel oil tank, the gasoline and diesel oil types are discriminated to prevent mixing. Irrespective of diameter size, oil type can be accurately determined to prevent mixing. That is, gasoline has a significantly higher VOC generation rate than diesel, so it is possible to classify oil types by simple VOC concentration measurement.
  • the VOC concentration measurement is performed in a short time (within about 0.1 second), and when an oil accident occurs, At the same time, the solenoid valve can be locked quickly to stop the oil supply.
  • the mixing prevention apparatus according to the present invention can be miniaturized and can be mounted at the end of the nozzle, and since the principle of measuring the concentration of VOC gas inside the tank is not required to install an identification device in a vehicle, it can be implemented at low cost.
  • 1 is a schematic diagram showing a lubricator to which the blend prevention apparatus of the present invention is applied;
  • Figure 2 is a schematic diagram showing an lubricator nozzle to which the present invention is applied
  • FIG. 3 is a block diagram showing the mixing control device of the lubricator according to the present invention.
  • FIG. 5 is a cutaway perspective view of the VOC sensor shown in FIG.
  • FIG. 6 is a circuit diagram of the VOC sensor shown in FIG.
  • FIG. 7 illustrates an example of a micro mesh network of the VOC sensor illustrated in FIG. 3;
  • FIG. 8A and 8B are conceptual views illustrating the VOC sensor shown in FIG. 3.
  • FIG. 1 is a schematic view showing a lubricator to which the blending prevention device of the present invention is applied
  • FIG. 2 is a schematic view showing a lubricator nozzle to which the present invention is applied.
  • the lubricator to which the anti-mixing device of the present invention is applied includes a mixing control controller 130, a solenoid valve controller 140, a solenoid valve 142, and a lubricator pump 150, as shown in FIGS. 1 and 2.
  • the lubricator main body 30 and the lubricator nozzle 110 connected to the lubricator main body 30 for lubricating the oil tank 20 of the vehicle are configured by the driver to pay the gas oil or gasoline stored in the gas station underground storage tank 20.
  • the fuel oil tank 10 of the driver vehicle is lubricated by an amount corresponding to the amount of money.
  • Lubricator is equipped with a button and a display unit for selecting the oil type and payment amount when oiling, and divided into a gasoline nozzle for oiling gasoline and a gasoline oiling nozzle for oiling gas, each oiler nozzle (110)
  • the hook of the main body 30 is in the 'hook on' state, and when the lubricator nozzle 110 is lifted for lubrication, the hook is configured to be 'hook off'.
  • the VOC measuring sensor 120 is mounted on the lubricator nozzle 110 according to the present invention, it is possible to secure immediate responsiveness when it is attached to the outside of the nozzle. If the VOC sensor of the present invention is manufactured in a small size within 10 mm 2 and mounted on a part connected to an oil intake prevention inlet, it is possible to secure high responsiveness and reliability since it is supplied by sucking air in the tank.
  • the lubricator is the same as a conventional lubricator except that the mixing prevention apparatus according to the present invention is installed, further description thereof will be omitted.
  • Figure 3 is a block diagram showing the mixing control device of the lubricator according to the present invention
  • Figure 4 is a flow chart illustrating an operation procedure of the mixing control device of the lubricator according to the present invention.
  • the mixing control device of the lubricator includes a VOC sensor 120 installed in the lubricator nozzle 110 to detect volatile organic compounds (VOC) in an oil tank of a vehicle to be refueled.
  • the sensor power supply unit 132 for supplying power to the VOC sensor 120, the signal detector 134 for detecting a signal detected from the VOC sensor 120, and when mixed oil is detected, generates an alarm sound according to a control signal.
  • the alarm unit 138 hooks off the lubricator nozzle 110 for fueling, it supplies power to the VOC sensor 120 through the sensor power supply 132 and the fuel tank 10 of the vehicle to which the spout 112 of the lubricator nozzle is to be refueled.
  • the present invention is equipped with a VOC (volatile organic compound) measuring sensor 120 in the spout 112 of the end of the lubricator nozzle, by measuring the concentration of VOC gas in the vehicle fuel oil tank 10 to determine the gasoline and diesel oil type to be.
  • VOC volatile organic compound
  • Gasoline has a much higher VOC generation compared to diesel, so it is possible to classify oil types by simply measuring the concentration of VOC.
  • diesel vehicle VOC emissions are 0.2543kg
  • the gasoline vehicle's VOC emissions are 5.2792kg, about 20 times.
  • the VOC generation of gasoline vehicles is high, so it is possible to classify oil types by simply measuring the concentration of VOC.
  • the present invention since the VOC concentration can be measured in a short time (within about 0.1 second), it is possible to quickly stop refueling in the event of mixed oil accident by determining the oil type.
  • the mixed oil prevention apparatus of the present invention when the hook is lifted off the lubricator nozzle 110 to turn on the VOC sensor 120 to detect the VOC gas of the vehicle fuel oil tank 10
  • determine the type of fuel oil of the vehicle determines the type of the corresponding gasoline nozzle, and if the gasoline nozzle is a gasoline nozzle for refueling gasoline, the gasoline nozzle is normally refueled to complete the oiling, and the gasoline nozzle 110 If it is not a gasoline nozzle, it is determined as mixed oil, and blocks the solenoid valve 142 through the solenoid controller 140, and generates a mixed oil alarm through the alarm unit 138 (S101 to S111).
  • the lubricator nozzle 110 determines whether the type of fuel oil of the vehicle is diesel. If the oil type of the lubricator nozzle 110 is determined, if the lubricator nozzle is a lubricator nozzle for lubricating the diesel oil, if the lubricator nozzle is lubricated normally to complete the lubrication, the lubricator nozzle is a diesel nozzle Otherwise, it is determined that the mixture is mixed with the solenoid valve 142 through the solenoid controller 140, and generates a mixed alarm through the alarm unit 138 (S112 ⁇ S115).
  • the present invention measures the VOC concentration of the fuel tank vehicle 10 in the VOC measuring sensor 120, and after determining the gasoline, diesel oil type by the concentration of VOC measured in the anti-mixing controller 130, the corresponding nozzle 110 If the oil type of) and the oil type of the refueling vehicle tank 10 are different (at the time of mixing accident), the solenoid valve 142 of the nozzle oil supply pipe is blocked to block the oil injection, and the mixing oil alarm is displayed.
  • FIG. 5 is a cutaway perspective view of the VOC sensor shown in FIG. 3
  • FIG. 6 is a circuit diagram of the VOC sensor shown in FIG. 3
  • FIG. 7 is a diagram illustrating an example of a mesh of the VOC sensor shown in FIG. 3
  • FIG. 8A and 8B are conceptual views illustrating the VOC sensor shown in FIG. 3.
  • the VOC sensor 120 used in the mixing prevention apparatus includes a semiconductor VOC sensor chip 122 in an inner space including a bottom case 128 and an upper case 26 having holes formed therein.
  • a micro mesh network 124 is installed in a hole of the upper case to pass a gas such as volatile organic gas and block a gas such as gasoline or a case. Is applied to detect the VOC gas.
  • a VOC sensor structure is just one example, and various modifications are possible.
  • the semiconductor sensor chip 122 heats the gas detection unit 122a that reacts with the VOC gas to change resistance, and heats the detected VOC gas to an appropriate temperature.
  • the VOC measuring sensor 120 is a semiconductor gas sensor using SnO 2 , and can be miniaturized within 10 mm 2 as a principle of measuring a resistance value of VOC gas changed by adsorption.
  • Semiconductor gas sensors generally use MOS semiconductors and are classified into P-MOS and N-MOS sensors according to their electrical conduction characteristics.They react to reducing gases and change their resistance according to the presence or absence of gas and Use the characteristics that make a difference.
  • the sensor resistance decreases and the electrical conductivity increases according to the reducing gas.
  • the sensor resistance increases and the electrical conductivity decreases.
  • the gas After gas adsorption (if gas is detected), the gas desorbs oxygen adsorbed on the sensor surface as shown in FIG. 8B and lowers the potential barrier inside the sensor. If this is expressed as a chemical reaction formula (2).
  • the heating of the sensor Heating is necessary for rapid oxygen desorption, it is heated to about 250 ⁇ 300 °C.
  • Gas concentration detected by the sensor is output as the resistance component of the sensor, the relationship between the electrical resistance and gas concentration can be represented by the following equation (3).
  • Rs represents the electrical resistance of the sensor
  • A is a constant
  • C is a gas concentration
  • a is a curve slope of resistance.
  • the material of the VOC sensor semiconductor chip 122 is SnO 2 , which is less sintered than other materials, thereby ensuring stable performance even at a high temperature for a long time.
  • VOC sensor measurement results at a distance of 30 cm away from the fuel oil the gasoline is measured at a concentration of 1,000 ppm or more, diesel is less than 100ppm it was confirmed that the type of gasoline and diesel can be determined by the VOC concentration.
  • the VOC sensor 120 is a sensor for classifying gasoline and diesel oil species by measuring the VOC concentration, the size is small within 10mm 2 , in order to prevent sensor malfunction due to oil shown in FIG.
  • the micro mesh network makes holes through the gas less than a few tens of micrometers by the MEMS process, and the PPFC coating on the hydrophobic surface to improve the waterproofing ability. That is, since the micro waterproof mesh sheet according to the present invention has only micro holes having a size of several micrometers in the form of a flat plate array, the waterproof ability is determined by the diameter of the micro holes, so that the size of the micro holes may be very small to improve the waterproof ability.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

La présente invention concerne un appareil pour un distributeur de carburant permettant d'empêcher le mélange de carburants qui mesure la concentration de gaz de composés organiques volatils (COV) d'un réservoir de carburant d'un véhicule au moyen d'un capteur de COV, fait la distinction entre le diesel et l'essence, coupe automatiquement une électrovanne si le véhicule comprend un type de carburant différent dans le distributeur de carburant et permet ainsi d'empêcher le mélange de carburants. L'appareil selon la présente invention comprend : un capteur de COV installé dans une buse d'un distributeur de carburant permettant de détecter des composés organiques volatils dans un réservoir de carburant d'un véhicule alimenté en carburant ; une unité d'alimentation de capteur permettant d'alimenter le capteur de COV ; une unité de détection de signal permettant de détecter un signal détecté par le capteur de COV ; une unité de commande de prévention de mélange de carburants permettant d'alimenter le capteur de COV au moyen de l'unité d'alimentation de capteur lorsque la buse du distributeur de carburant est décrochée pour effectuer l'alimentation, de recevoir un signal de détection des composés organiques non volatils à l'intérieur du réservoir et de calculer la concentration de composés organiques non volatils détectés au moyen d'un traitement de signal de manière à distinguer le type de carburant du véhicule lorsque le bec de la buse du distributeur de carburant est inséré dans l'admission d'alimentation en carburant du réservoir de carburant du véhicule alimenté en carburant, et d'ordonner à un dispositif de commande de solénoïde de couper une électrovanne s'il est déterminé que ledit carburant est un carburant mélangé ; et un dispositif de commande de solénoïde permettant de couper une électrovanne d'un tuyau d'alimentation en carburant en fonction de la commande de l'unité de commande de prévention de mélange de carburants.
PCT/KR2015/005916 2014-06-18 2015-06-12 Appareil pour distributeur de carburant permettant d'empêcher le mélange de carburants WO2015194795A1 (fr)

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KR1020140074349A KR101579428B1 (ko) 2014-06-18 2014-06-18 주유기의 혼유 방지 장치
KR10-2014-0074349 2014-06-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020109673A1 (fr) 2018-11-29 2020-06-04 Didier Jost Dispositif de distribution pour empêcher un mélange de liquides, système d'approvisionnement, système de stockage et procédé d'approvisionnement mettant en œuvre un tel dispositif de distribution

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102033000B1 (ko) 2019-06-04 2019-10-16 드래곤모터스 주식회사 유종 선택 공급장치 및 그 제어방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06263197A (ja) * 1993-03-08 1994-09-20 Tominaga Oil Pump Mfg Co Ltd 地下タンクの混油検知装置
JPH0815920B2 (ja) * 1992-07-29 1996-02-21 株式会社富永製作所 給油装置
JPH08164999A (ja) * 1994-12-16 1996-06-25 Tokico Ltd 給油装置
KR101247447B1 (ko) * 2011-07-07 2013-03-25 정은성 차량 연료의 혼유 방지장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110083401A (ko) 2010-01-14 2011-07-20 전명관 혼유방지 및 유증기 포집 기능을 갖는 주유기
KR20110131844A (ko) 2010-05-31 2011-12-07 김영구 주유기의 혼유방지장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0815920B2 (ja) * 1992-07-29 1996-02-21 株式会社富永製作所 給油装置
JPH06263197A (ja) * 1993-03-08 1994-09-20 Tominaga Oil Pump Mfg Co Ltd 地下タンクの混油検知装置
JPH08164999A (ja) * 1994-12-16 1996-06-25 Tokico Ltd 給油装置
KR101247447B1 (ko) * 2011-07-07 2013-03-25 정은성 차량 연료의 혼유 방지장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020109673A1 (fr) 2018-11-29 2020-06-04 Didier Jost Dispositif de distribution pour empêcher un mélange de liquides, système d'approvisionnement, système de stockage et procédé d'approvisionnement mettant en œuvre un tel dispositif de distribution
US11447387B2 (en) 2018-11-29 2022-09-20 Aryballe Dispensing device for preventing mixing of liquids, supply system, storage system and supply method implementing such a dispensing device

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