JP2003341800A - Fuel supply system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate troublesome operations such that setting operations are reperformed due to inconsistencies in the kinds of fuels in the results of the determination of the kinds of the fuels, when a customer tries to perform refueling because he/she can obtain the permission of the refueling at his/her self-service refueling. <P>SOLUTION: An SS controller 20 of a fuel supply system 10 controls a screen which is displayed on a monitor 21, and controls a screen which is displayed on a liquid crystal monitor of a setting apparatus 26. The SS controller 20 displays a permission- of-refueling waiting screen on the monitor 21 and the liquid crystal monitor of the setting apparatus 26, when the inconsistencies in the kinds of the fuels are determined by a kind-of-fuel detecting unit which is provided in a weighing apparatus 22. Thus, since an attendant at a service station has only to perform operations for outputting the permission of the refueling when the results of the determination of the kinds of the fuels are consistent with one another, the fuel supply system 10 can reduce the labor of the attendant than a conventional fuel supply system, and can enhance fuel supply efficiency by reducing a load on the attendant at the service station, even in the possession of the function of determining the kinds of the fuels in a self-service system. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel supply system, and more particularly to a fuel supply system having a fuel determination function for determining the type of fuel in a supplied tank in which a liquid supply nozzle is inserted.

[0002]

2. Description of the Related Art In a refueling device installed in a gas station or the like, a refueling nozzle is provided for each type of fuel to be supplied such as gasoline and light oil.

Therefore, in this type of refueling device, a plurality of refueling nozzles for different oil liquids are lined up and hooked on the nozzle hook, and when refueling the fuel tank of a customer's automobile, for example, gasoline should be supplied. However, there is a tendency for an oil type determination function to be provided in order to prevent accidents of oil supply of different oil types, such as accidentally supplying oil using a fuel oil supply nozzle. In addition, in the oil supply device having this oil type determination function, paying attention to the fact that the saturated vapor pressure (vapor concentration) differs between gasoline and light oil, and the vapor (oil vapor) of the residual oil liquid in the fuel tank is refueled before refueling. The vapor concentration is detected by hitting the oil type sensor of the oil type determination device.

Then, based on the detection result, the oil type of the residual oil liquid in the fuel tank is determined, and the oil type of the residual oil liquid in the fuel tank and the oil type of the oil liquid supplied from the oil supply device stored in advance are stored. Only when and match, refueling becomes possible and the refueling pump is started.

As the oil type sensor, for example, a semiconductor type or catalytic combustion type gas sensor for detecting the vapor concentration of vapor is used. The oil type sensor including the semiconductor gas sensor detects a change in resistance value according to a difference in vapor concentration of gasoline, light oil or the like as a change in output voltage.

Further, as the vapor sensor used in the conventional refueling device, an ultrasonic wave transmitting / receiving element is used in addition to the gas sensor of the semiconductor type or the catalytic combustion type, and the sound velocity in the vapor varies depending on the concentration of the oil type. There is a method in which the oil type is determined based on the difference in sound wave propagation time.

Further, as a fuel supply system for supplying fuel such as gasoline and light oil to a fuel tank of a vehicle, there is, for example, a self-service type refueling system in which a customer himself refuels. In this self-service type refueling system, when a customer's vehicle arrives, the customer himself / herself inputs necessary items in accordance with instructions displayed on a touch panel of a setting device installed near the weighing machine.

For example, when the customer stands in front of the setting device, an oil type selection screen for selecting an oil type is displayed on the touch panel screen, and when any one of regular, high-octane oil, and light oil is selected, the lubrication method selection screen is displayed. When the preset oil supply or the full oil supply is selected, the set contents are displayed and the confirmation is performed. In the case of the full oil supply, the oil supply permission waiting screen is displayed. Further, when the preset refueling is selected, the refueling amount or the refueling amount is input, and the refueling permission waiting screen is displayed.

When the customer removes the fueling nozzle from the weighing machine and inserts the fueling nozzle into the fueling port of the fuel tank, the weighing machine detects that the fueling nozzle is removed. Then, the weighing machine is a self-service console (also called SSC) as a refueling permission machine provided in the office of the gas station in order to obtain permission to refuel from the weighing machine.
A refueling request signal is output to.

As a result, the self-service console displays that a refueling request signal is coming from the weighing machine (waiting for refueling permission). Here, when the staff at the gas station confirms the safety and permits the refueling using the self-service console, the refueling permission signal is given to the weighing machine. As a result, the pump of the oil type installed in the weighing machine is activated to allow refueling.

[0011]

However, when the oil type determination function as described above is applied to the self-service type fuel supply system, when the fueling nozzle is removed from the weighing machine, a fueling request signal is output, and this state is reached. At this point, the staff at the gas station can transmit a refueling permission signal to the refueling device. On the other hand, when the fueling nozzle is inserted into the fueling port of the fuel tank, the vapor in the fuel tank is sucked and supplied to the oil type sensor, and the oil type determination is performed.

If the result of the oil type judgment indicates that the oil types are the same, the pump is started and the oil can be supplied. If the result of the oil type determination does not match the oil type, refueling is prohibited and the pump remains stopped.

However, the staff at the gas filling station gives permission to refuel regardless of whether the oil types match. Therefore, if the oil type determination result indicates that the oil type does not match after the oil supply permission signal is output to the weighing machine for which the oil supply request signal has been output, the staff at the gas filling station supplies oil to the fuel tank of the fuel tank. There is a problem that it is necessary to confirm and inform that the oil type of the oil supply nozzle inserted in the mouth does not match the oil type, which requires extra effort and reduces the oil supply efficiency. Then, an object of the present invention is to provide an oil supply device which solved the above-mentioned subject.

[0014]

In order to solve the above problems, the present invention has the following features.

According to the first aspect of the present invention, the fuel supply request signal is output before the fuel is supplied to the supplied tank, and the permission signal is input to supply the fuel to the supplied tank. And a supply permission means for permitting the fuel supply by the fuel supply device,
Display means for displaying the fact that a fuel supply request signal is input from the fuel supply machine, and on the condition that the fuel supply request signal is input from the fuel supply machine, In a fuel supply system including a permitting device that outputs a permitting signal to a designated fuel supply device, a fuel type detecting means for detecting the type of fuel in the supplied tank, and an attempt to supply the fuel to the supplied tank. The fuel supply type signal is input by the determination means for determining whether or not the fuel type and the fuel type detected by the fuel type detection means are matched, and the fuel type is matched by the determination means. Display control means for displaying, on the display means, that the fuel supply device that has output the fuel supply request signal is waiting for fuel supply, when the determination means determines whether or not it is determined. When it is determined whether or not the fuel types match, the clerk may perform an operation of outputting a permission signal to the fuel supply machine, so that the oil type determination is performed after outputting the permission signal as in the conventional case. It is possible to reduce the burden on the staff and improve the fuel supply efficiency as compared with the case of performing it.

Further, in the invention according to claim 2, the display control means applies the display means only when the fuel supply request signal is input and the determination means determines that the fuel types match. The fuel supply unit that has output the fuel supply request signal indicates that the fuel supply unit is waiting for fuel supply, and only when the determination unit determines that the fuel types match, the clerk Since it suffices to perform the operation of outputting the permission signal, the burden on the staff can be reduced and the fuel supply efficiency can be improved, as compared with the conventional case where the oil type determination is performed after the permission signal is output.

Further, according to the invention described in claim 3, when the display control means receives the fuel supply request signal from the fuel supply device, the fuel supply device is determining the kind of fuel. Is displayed on the display unit, and the determining unit causes the display unit to display that the fuel supply unit is waiting for permission to supply fuel, and the permitting unit determines that the determining unit determines that the types are the same. On the other hand, the supply permission signal is output to the fuel supply device by operating the supply permission means, and when the determination means determines that the types of fuel match, the staff member gives the fuel supply permission signal. Since it suffices to perform the operation of outputting the fuel consumption, it becomes possible to reduce the burden on the staff and improve the fuel supply efficiency even if the self-service method has a function of determining the fuel type. Further, even if the operator mistakenly outputs the fuel supply permission signal before the determination result of the fuel type is obtained by the determination means, the operation is not effective, and the fuel supply permission due to the operator's erroneous operation can be canceled.

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing an embodiment of a fuel supply system according to the present invention. As shown in FIG. 1, a fuel supply system 10 of a gas station includes a POS terminal device 14 installed in an office 12 of the gas station and a PIF.
(Picture Interchange Format) 16
, A cashier call 18, an SS controller (permission machine) 20, and a plurality of weighing machines (fuel supply machines) 22 and 24 installed in the refueling area. The weighing machine 22 is a self-service refueling device, and is provided with refueling nozzles for gasoline and light oil. Further, the weighing machine 24 is a self-service type oil supply device for supplying kerosene.

In addition, in the vicinity of the weighing machine 22, a setting device 26 with a depositing / dispensing machine and a monitoring camera 28 are installed.
The surveillance camera 28 is connected to the surveillance camera dividing device 30 installed in the office 12, and an image (see FIG. 6) showing the state of each refueling point is displayed on the SS controller 20.
Is configured to be displayed on the monitor (display means) 21 of.

Further, the POS terminal device 14 and the PIF 16
, Cashier call 18, SS controller 20
The weighing machines 22 and 24 are connected to each other via a communication line 32 so that data communication is possible. The depositor / withdrawer setting device 26 is
It is connected to the POS terminal device 14 via the communication line 34.

The SS controller 20 controls the screen displayed on the monitor 21 and also controls the screen displayed on the liquid crystal monitor 84 (see FIG. 5) of the setting device 26. Then, the SS controller 20 monitors the monitor 21 and the liquid crystal monitor 8 of the setting device 26 when the oil type detection unit 57 (see FIG. 2) determines that the vapors match each other, as described later.
4 executes a control program (display control means) for displaying a liquid supply permission waiting screen (see FIG. 8C). Also,
The SS controller 20 has a supply permission unit that outputs a permission signal to the weighing machine by an operation of a staff member when the oil types match.

In addition, in the vicinity of the weighing machine 22, the fire extinguishing equipment 3
6 is installed. The fire extinguishing equipment 36 is configured to inject a fire extinguishing agent into the weighing machine 22 in response to a control signal from the fire extinguishing equipment starting device 38 when a fire occurs.

The POS terminal device 14 and the SS controller 20 constantly monitor the states of the weighing machines 22 and 24,
A refueling permission request signal and refueling data (settlement method, oil type, refueling amount, refueling amount, metering machine number) are received for each customer and stored in a database (not shown). In addition, the weighing machines 22, 2
4. When there is a refueling permission request signal (supply request signal) from 4, the staff of the gas station checks the image taken by the monitoring camera 28 on the monitor (not shown) of the SS controller 20 and then the refueling permission signal is measured. Output to machines 22 and 24.

FIG. 2 is a block diagram showing the structure of the weighing machine 22. As shown in FIG. 2, the weighing machine 22 has an oil supply conduit 41, one end of which is inserted into an underground tank (not shown) and the other end of which extends into the apparatus. Is a refueling pump 42 for pumping the oil liquid stored in the underground tank,
A pump motor 43 that drives the refueling pump 42 and a refueling flow meter 44 that measures the flow rate of the oil liquid sent by the refueling pump 42 are provided. The refueling flow meter 44
Has a flow rate pulse oscillator 45 that outputs a flow rate pulse proportional to the flow rate of the oil liquid flowing through the oil supply conduit 41.

A refueling hose 47 connected to the other end of the refueling conduit 41 is drawn out from the side surface of the apparatus main body 46.
A refueling nozzle 48 is attached to the tip of the refueling hose 47. The refueling nozzle 48 is a nozzle body 48a.
Has a built-in valve mechanism that opens by rotating the nozzle lever 48b, and has a discharge pipe 49 at the tip side that is inserted into an oil supply port (both not shown) of a fuel tank (supply target tank).

When refueling the vehicle, the refueling nozzle 48 is used.
The oil type to be described later is performed in a state where the discharge pipe 49 of No. 1 is inserted into the oil supply port (not shown) of the fuel tank, and the oil type of the fuel tank matches the oil type of the underground tank (oil type of the oil supply nozzle). If the oil supply pump 42 is driven, the oil supply nozzle 42 is driven.
It becomes possible to refuel by No. 8. That is, the oil liquid pumped up by the oil supply pump 42 is discharged from the discharge pipe 49 to the fuel tank by the valve opening operation of the nozzle lever 48 b only when the oil types match.

Further, on the side surface of the apparatus main body 46, a nozzle hook 50 for detachably supporting the oil supply nozzle 48, and a nozzle switch 5l for detecting whether or not the oil supply operation is being performed by attaching or detaching the oil supply nozzle 48 to or from the nozzle hook 50. And are provided. The nozzle switch 51 is turned off when the refueling nozzle 48 is hooked on the nozzle hook 50, and the refueling nozzle 4
When 8 is removed from the nozzle hook 50, it turns on.

The control device 60 activates the pump motor 43 when the nozzle switch 51 is turned on, and stops the pump motor 43 when the nozzle switch 51 is turned off. Further, on the front surface of the apparatus main body 46, a display device 52 for displaying the amount of oil supply and the like is provided.

Here, a vapor suction tube 54 for sucking the vapor of the oil liquid remaining in the fuel tank is juxtaposed halfway in the refueling hose 47. Further, one end of the vapor suction tube 54 extends to the vicinity of the tip of the discharge pipe 49 and communicates with a vapor suction pipe 55 integrally provided with the discharge pipe 49. A vapor suction port 55a, which is inserted into a fuel supply port (both not shown) of the fuel tank together with the discharge pipe 49, is opened at the tip of the vapor suction pipe 55.

In the middle of the vapor suction tube 54,
An intake / exhaust pump 56, an oil type detection unit 57 as a vapor determination means, a flow meter 59, and a temperature sensitive element 62 for measuring the temperature of the vapor are provided.

The temperature of the vapor introduced through the vapor suction pipe 55 of the oil supply nozzle 48 and the vapor suction tube 54 is measured by the temperature sensing element 62, and the suction amount is measured by the flow meter 59. Then, the control device 60 controls the temperature sensing element 6
The temperature measurement value from 2 and the flow rate measurement value from the flow meter 59 are input, and the intake / exhaust pump 56 is controlled so that the flow rate measurement value of the flow meter 59 becomes a set value.

The other end of the vapor suction tube 54 is connected to an oil type detection unit 57 as an oil type determination means, and the vapor suction tube 58 is connected to the other end of the vapor suction tube 54. A vapor flow meter 59 for measuring the amount of vapor suctioned via 54 is disposed, and the end of the vapor suction pipe line 58 is connected to an intake / exhaust pump 56.

As will be described later, the oil type detection unit 57 has a structure using a contact combustion type gas sensor as an infrared light source, and the infrared intensity is increased by increasing the temperature of the burning portion of the contact combustion type sensor depending on the concentration of vapor. Is determined to measure the infrared absorption which varies depending on the oil type of the vapor, and the oil type is determined.

The intake / exhaust pump 56 sucks the vapor in the fuel tank at the time of determining the type of oil provided inside the apparatus main body 46, and after the determination of the type of oil, the vapor suction tube 54.
The vapor remaining in the chamber is exhausted.

The control device 60 controls the oil supply pump 4 based on various signals output from the oil supply flow meter 44, the nozzle switch 51, the oil type detection unit 57, and the vapor flow meter 59.
2. Drive control of the intake / exhaust pump 56 and the display 52.

The memory 61 of the control device 60 stores various control programs executed by the control device 60. For example, when the nozzle switch 4l is turned on, the intake / exhaust pump 56 is operated to perform an intake operation for vapor suction. Mouth 55a
The vapor suction program for sucking the vapor in the fuel tank, the oil type determination program for determining the oil type based on the oil type detection signal detected by the oil type detection unit 17, and the oil type determination result are the same. A refueling permission program for starting the refueling pump 42 by an operation of outputting a refueling permission signal by a staff member at a gas station at a certain time is stored.

Here, an oil type detection unit 5 for detecting the oil type of the vapor sucked through the vapor suction tube 54.
The internal configuration of 7 will be described.

FIG. 3 is a structural diagram showing the internal structure of the oil type detection unit 57. As shown in FIG. 3, the oil type detection unit 57 includes a contact combustion type sensor 6 as an infrared light emission source.
5 and gas sensors 74 and 75 that receive infrared rays from the contact combustion type sensor 65. Also, the gas sensor 7
Reference numerals 4, 75 denote condenser lenses 66, 67 for receiving infrared rays from the contact combustion type sensor 65, and condenser lenses 66, 67.
A light receiving element for measuring the amount of light via 67 and filters (BPF) 68 and 69 for separating wavelengths, and a filter (B
Infrared receiving elements (infrared receiving portions) 70 and 71 for measuring the exposure amount of the vapor passage 82 via the PFs 68 and 69.

Here, the characteristics of the catalytic combustion type sensor 65 will be described.

The catalytic combustion type sensor 65 has a metal wire coil made of platinum or the like embedded in an oxidation catalyst, and a constant current is applied to the metal wire coil to heat it to a predetermined temperature (about 200 ° C.). When vapor contacts this oxide film, catalytic combustion occurs on the surface of the catalyst and the element temperature rises. Since the electric resistance of the metal wire coil increases as the temperature rises, an electric signal corresponding to the resistance change is output.

That is, when the driver 73 is operated at the frequency set by the oscillator 72, the contact combustion type sensor 6
Electric power is supplied to No. 5, and an electric current flows through the platinum coil to increase the temperature by about 200 ° C. due to Joule heat. As a result, at room temperature, infrared rays corresponding to black body radiation of about 500 K are generated.

This infrared ray is emitted from the contact combustion type sensor 65 toward the condenser lenses 66 and 67, and is filtered by the filter (B
The light is received by the light receiving elements 70 and 71 via the PFs 68 and 69.

The infrared rays received by the condenser lenses 85 and 86 are filtered by a filter (BPF: 1400 cm ⁻¹ ) 8
It reaches the light receiving elements 70, 71 through 7, 88 and is converted into an electric signal. Then, the signals output from the light receiving elements 70 and 71 are amplified by the preamplifiers 76 and 77, respectively, and then divided by the dividers 78 and 79 by the numerical values according to the instruction from the intensity conversion circuit 80, and then sent to the determination circuit 81. Is entered.

When the contact combustion type sensor 65 is used as an infrared light source, the temperature of the burning portion of the contact combustion type sensor 65 rises depending on the concentration of vapor, so that the infrared intensity changes. In this way, in order to determine the oil type by measuring the infrared absorbance that differs depending on the oil type of vapor, by detecting the difference in the component ratio of the oil type as the infrared absorbance,
The oil type can be accurately determined, and a high normality determination rate can be maintained regardless of the use environment.

Further, since the temperature rise due to the heat generated by the catalytic combustion type sensor 65 is high, the infrared intensity becomes high, and the sensitivity at 1400 cm ⁻¹ related to aromatics can be increased. In addition, the infrared temperature intensity is automatically changed by the contact temperature sensor even if the infrared intensity is not changed by cooling or using a chopper. Therefore, the circuit configuration can be simplified.

Further, in the case of measuring gasoline containing a large amount of aromatics and light oil containing a small amount of light by the absorbance of two wavelengths of infrared rays, the concentration of combustible gas (straight line type vapor concentration) is a contact combustion type sensor. Since the temperature at 65 is increased, the infrared intensity can be increased.

Further, since a signal corresponding to the vapor concentration is obtained from the catalytic combustion type sensor 65, the component ratio of the vapor can be measured by comparing with the two sensor signals on the light receiving side, and the gasoline and light oil can be surely increased in high content. It can be distinguished by the normal judgment rate.

FIG. 4 is a diagram showing the configuration of the setting device 26.
As shown in FIG. 4, the setting device 26 includes a touch panel type liquid crystal monitor (LCD) 84 and a magnetic card reader 86.
A bill depositing machine 88, a printer 90, an intercom 92, a speaker 94, and an optical sensor 96 are provided. The liquid crystal monitor 84 displays a display screen for displaying guidance of the customer's input operation and confirming the input data, and also functions as an input device for inputting an area selected by the customer by the operation touch sensor.

The magnetic card reader 86 is a card data reading device for reading card data stored in a magnetic recording type credit card (accounting medium). The banknote deposit machine 88 is, for example, a thousand yen bill, a two thousand yen bill, a five thousand yen bill,
It is a bill identifying device that optically reads a symbol (value data) of a 10,000-yen bill (settlement medium) and collates it with the symbol data of each registered bill to identify the deposited bill.

The printer 90 is a receipt issuing device that issues a receipt (slip) in which the weighing machine number, the amount of refueling, the amount of refueling, the type of oil, the payment method, etc. are described after the end of refueling. Further, the intercom 92 is used when the customer talks with an employee in the office. The speaker 94 is a voice output device that gives voice guidance on an operation method and the like.

When the customer stands in front of the setting device 26, the light sensor 86 reflects the light emitted toward the customer and receives the reflected light to detect the presence of the customer.

FIG. 5 is a block diagram showing the configuration of the setting device 26. As shown in FIG. 5, the control circuit 100 of the setting device 26 includes a liquid crystal monitor 84, a magnetic card reader 86, a bill depositing machine 88, a printer 90, an intercom 92, a speaker 94, an optical sensor 96, a storage unit 102, and a LAN. It is connected to the board 104 via a communication cable.

Further, the control circuit 100 includes the control device 60.
Is also connected. In addition, the control circuit 100 calculates the amount of refueling by integrating the flow rate pulses output from the flowmeter 44 via the control device 60, and also calculates the charge according to the amount of refueling.

The above-mentioned communication line 34 is connected to the LAN board 104, and the control circuit 100 is communicatively connected to the POS terminal device 14 and the SS controller 20 via the LAN board 104.

In the storage unit 102, a control program for controlling the pump motor 43 of the weighing machine 22, a control program for setting a settlement method, a refueling method, an oil type, etc.,
A control program for calculating a charge according to the amount of refueling and performing a settlement process according to a settlement method is stored.

FIG. 6 shows the monitor 21 of the SS controller 20.
It is a figure which shows the example of a display of the management menu screen displayed on FIG. As shown in FIG. 6, the management menu screen 110
Shows, for example, the case of a gas station where four weighing machines 22 are installed. Management menu screen 110
Is set with refueling points on both sides of each of the four weighing machines 22, and management menus 111 to 1 for each refueling point are set.
18 and a management menu 119 of the kerosene weighing machine 24 are displayed.

Furthermore, in the lower column of the management menu screen 110, a cancel button 120, a camera button 121, and a stop button 12 are displayed.
2, permission button 123, and settlement button 124 are displayed.

Since the monitor 21 is of a touch panel type, when a staff member at the gas station touches the management menu screen 110, the operation screen corresponding to the contacted coordinate position is switched.

Here, the operation procedure of the fuel supply system 10 configured as described above will be described with reference to FIG.

As shown in FIG. 7, in the operation procedure 1,
Since the customer has not arrived at the weighing machine 22, the standby state is entered, and the standby screen 132 is displayed at the display position of the corresponding refueling point on the management menu screen 110 on the monitor 21 (see FIG. 8A).

When the customer arrives at the weighing machine 22 and inputs the refueling method (preset refueling or full refueling), oil type, settlement method, etc., and the refueling nozzle 48 is removed from the nozzle hook 50, the operation procedure 2 is executed. Transition. In the operation procedure 2, the oil type is being detected, and as described above, the vapor in the fuel tank is sucked to detect the oil type and determine the oil type by the oil type detection unit 57, and the management menu on the monitor 21 and the liquid crystal monitor 84 is displayed. The oil type detection screen 133 is displayed at the corresponding refueling point on the screen 110 (see FIG. 8B).

When the oil supply nozzle 48 different from the set oil type is removed from the nozzle hook 50, the operation procedure 2
Transition to a. In the operation procedure 2a, it is determined that the refueling nozzle 48 removed from the nozzle hook 50 is different from the set oil type, and, for example, "Check the oil type".
Such a voice message 126 is uttered from the speaker 94.

Further, in the operation procedure 2, the pattern is switched to three patterns depending on whether the oil type determination result indicates that the oil type matches, the oil type cannot be detected, or the oil type does not match.

When the oil types are the same, the refueling nozzle 48 of the same oil type as the set oil type is removed from the nozzle hook 50, so the operation procedure 3 is entered. In the operation procedure 3, the refueling permission waiting state is entered, and the management menu screen 110 of the monitor 21 is displayed.
A refueling permission waiting screen 134 is displayed at the corresponding refueling point (see FIG. 8C).

If the oil type cannot be detected, the oil type detection unit 57 cannot sufficiently detect the oil type, so that the operation procedure 3a is started. In the operation procedure 3a, the oil type detection impossible screen 140 is displayed at the corresponding refueling point on the management menu screen 110 of the monitor 21 (see FIG. 9A). After this, the customer confirms the oil type. Then, the refueling start waiting screen 141 is displayed at the corresponding refueling point on the management menu screen 110 of the monitor 21 (see FIG. 9B).

If the result of the oil type determination does not match the oil type, the operation procedure 3b is entered. In the operation procedure 3a, the oil type abnormality screen 142 is displayed at the corresponding refueling point on the management menu screen 110 of the monitor 21 (see FIG. 10A). After this, the customer returns the refueling nozzle 48 to the nozzle hook 50. Then, the management menu screen 1 of the monitor 21
The standby screen 143 is displayed at the corresponding 10 refueling points (see FIG. 10B). After that, the customer starts over from the setting operation.

When the refueling permission is transmitted from the SS controller 20 in the above operation procedures 3 and 3a, a voice message 128 such as "Please pull the nozzle lever. Oil comes out" is uttered from the speaker 94. With this,
A refueling start waiting screen 135 is displayed at the corresponding refueling point on the management menu screen 110 of the monitor 21 (FIG. 8).
(See (D)).

In the next operation procedure 4, the customer sets the fueling nozzle 4
When the nozzle lever 48a of No. 8 is pulled to open the valve, the oil liquid is supplied to the fuel tank. Then, a refueling screen 136 is displayed at the corresponding refueling point on the management menu screen 110 of the monitor 21 (see FIG. 8E).

When full tank refueling or preset refueling is completed, a refueling stop screen 137 is displayed at the corresponding refueling point on the management menu screen 110 of the monitor 21 (FIG. 8).
(See (F)).

When the refueling is completed, the operation procedure 5 starts. In operation procedure 5, "Close the refueling cap."
Such a voice message 130 is uttered from the speaker 94. Then, the customer applies the refueling nozzle 48 to the nozzle 50.
Then, the refueling end screen 138 is displayed at the corresponding refueling point on the management menu screen 110 of the monitor 21 (see FIG. 8G).

If the customer removes the refueling nozzle 48 from the nozzle hook 50 while the refueling end screen 138 is displayed, the current setting data 13 is displayed on the refueling end screen 138.
9 is displayed (see FIG. 8 (H)).

Here, the control processing executed by the control device 60 of the weighing machine 22 will be described with reference to the flowchart of FIG.

As shown in FIG. 11, step S11
In (hereinafter, “step” is omitted), it is confirmed that the oil type is selected by the setting device 26. In the next S12, the nozzle switch 51 is turned on so that the refueling nozzle 48
Is removed from the nozzle hook 50.

Next, in S13, the refueling request signal is set to S
Output to the S controller 20. In the next step S14, it is checked whether or not the oil type detection unit 57 has performed the oil type determination. If the oil type determination result is not obtained in S14, the process proceeds to S15, and it is checked whether or not a predetermined time set in advance has elapsed.

When the oil type determination result is obtained in S14, the process proceeds to S16, and it is checked whether or not the oil types match. In S16, when the oil type of the fueling nozzle 48 inserted in the fueling port of the fuel tank matches the oil type detected from the vapor of the fuel tank, the process proceeds to S17, and the oil type matching signal is sent to the SS controller 20 and Setting device 2
Send to 6.

Further, in S16, if the oil type of the fuel nozzle 48 inserted into the fuel inlet of the fuel tank and the oil type detected from the vapor of the fuel tank do not match, S18
Then, the different oil type signal is transmitted to the SS controller 20 and the setting device 26. After this, the process returns to S11 described above.

In S15, when the predetermined time has elapsed while the oil type determination is not obtained, the process proceeds to S19, and an oil type error signal is transmitted to the SS controller 20 and the setting device 26.

In the next step S20, it is checked whether the refueling permission signal is input from the SS controller 20.
In S20, when the refueling permission signal is not input from the SS controller 20, the process proceeds to S21 and the refueling nozzle 4
8 is returned to the nozzle hook 50 to check whether the nozzle switch 51 is turned off. In S21,
When the nozzle switch 51 is on, the refueling nozzle 48 has not been returned to the nozzle hook 50, so the process returns to S20.

In step S21, when the nozzle switch 51 is off, the refueling nozzle 48 causes the nozzle hook 5 to move.
Since the value has been returned to 0, the process proceeds to the refueling end process of S29 described later.

In step S22, the pump motor 43 is actuated and the pump 42 is activated by the input of the refueling permission signal. This makes it possible to refuel the fuel tank. The customer then uses the nozzle lever 48 of the refueling nozzle 48.
When the valve is opened by pulling a, the oil liquid is supplied to the fuel tank.

In the next S23, it is checked whether or not the flow rate pulse from the flow rate pulse oscillator 45 of the flow meter 44 is input. In S23, when the flow rate pulse is input from the flow rate pulse oscillator 45, the process proceeds to S24,
The refueling signal is transmitted to the SS controller 20 and the setting device 26.

Subsequently, in S25, the integrated flow rate is calculated based on the integrated value of the flow rate pulse, and in S26, the integrated flow rate is set to SS.
It is transmitted to the controller 20 and the setting device 26, and is displayed on the display device 52.

In S23, the flow pulse oscillator 4
If there is no flow rate pulse input from 5, the process proceeds to S27, and it is checked whether the refueling nozzle 48 is returned to the nozzle hook 50 and the nozzle switch 51 is turned off.
When the nozzle switch 51 is turned on in S27,
Since the refueling nozzle 48 has not been returned to the nozzle hook 50, the process returns to S23.

Further, in S21, the nozzle switch 5
When 1 is off, the refueling nozzle 48 has been returned to the nozzle hook 50, so it is determined that refueling has ended, and the process proceeds to S28, in which the pump motor 43 is stopped. Then, S29
Then, the refueling end signal is transmitted to the SS controller 20 and the setting device 26.

Here, the control processing executed by the SS controller 20 will be described with reference to the flowchart shown in FIG.

As shown in FIG. 12, the SS controller 20 checks in S31 whether a refueling request signal is input from the weighing machine 22. In S31, if the refueling request signal is not input from the weighing machine 22, S32
Then, the standby screen 132 (see FIG. 8A) is displayed on the monitor 21.

When the refueling request signal is input from the weighing machine 22 in S31, the process proceeds to S33, and the monitor 21 displays the oil type detection screen 133 (see FIG. 8B).

Subsequently, in S34, it is checked whether or not the oil type coincidence signal is input. In S34, if the oil type of the fueling nozzle 48 inserted into the fueling port of the fuel tank and the oil type detected from the vapor of the fuel tank match, the oil type matching signal is input, so the process proceeds to S35. ,
A refueling permission waiting screen 134 (see FIG. 8C) is displayed on the monitor 21.

If the oil type coincidence signal is not input in S34, the process proceeds to S36 to check whether the oil type inconsistency signal is input. In S36, if the oil type of the fueling nozzle 48 inserted into the fueling port of the fuel tank and the oil type detected from the vapor of the fuel tank do not match, the oil type mismatch signal is input, so the process proceeds to S37. , The oil type abnormality screen 142 (see FIG. 10A) is displayed on the monitor 21. After this, this processing is ended.

If the oil type inconsistency signal is not input in S36, the process proceeds to S38, and it is determined whether the oil type detection unit 57 cannot determine the oil type within a predetermined time and the oil type detection inability signal is input. Check. In S38, when the oil type detection impossible signal is input, S3
9, the oil type detection impossible screen 140 (see FIG. 9A) is displayed on the monitor 21.

At the next step S40, it is checked whether or not the refueling permission button 123 has been turned on. In S40, when the staff member of the gas station turns on the refueling permission button 123, the process proceeds to S41, and a refueling permission signal is output to the weighing machine 22.

Subsequently, in S42, a refueling start waiting screen (see FIG. 8D) is displayed on the monitor 21. In the next S43, it is checked whether or not the signal during refueling (flow rate pulse) is input. In S43, when the refueling signal (flow rate pulse) is input, the process proceeds to S44, and the monitor 21 displays the refueling screen 136 that displays the integrated flow rate.

In the next S45, it is checked whether or not the integrated flow rate is increasing. When the integrated flow rate is increasing in S45, refueling is continuing, so S46
Go to and reset the clock. Then, in S47, it is checked whether or not the refueling end signal is input. S4
In S7, until the refueling end signal is input, S44
~ The process of S47 is repeated.

When the refueling end signal is input in S47, the process proceeds to S48 and the standby screen (FIG. 8 (G)).
Is displayed on the monitor 21.

When the integrated flow rate is not increased in S45, refueling is stopped, so S49
Proceed to and start timing. Then, in S50, it is checked whether or not a predetermined time has elapsed since the refueling was stopped. S
At 50, when the predetermined time has elapsed since the refueling stop, the process proceeds to S51, and the refueling stop screen (see FIG. 8F).
Is displayed on the monitor 21. After that, the process returns to S45, and the processes after S45 are executed.

In S50, if the predetermined time has not elapsed since the refueling was stopped, the program proceeds to S52, in which it is checked whether the refueling end signal has been input. If the refueling end signal is not input in S52, the above S43 is performed.
Returning to step S43, the processing from S43 onward is repeated.

When the refueling end signal is input in S52, the process proceeds to S53, the time is reset, the process proceeds to S48, and the standby screen (see FIG. 8G) is displayed on the monitor 21. Let

As described above, in this embodiment, when the oil supply request signal is input in S33, the oil type detection screen 13 is displayed in S34.
3 (see FIG. 8B) is displayed on the monitor 21, and S4
When the clerk at the gas filling station turns on the refueling permission button 123 at 0, the gas filling start waiting screen (see FIG. 8D) is displayed on the monitor 21 at S42. Notify the customer that permission has been obtained. As a result, the customer opens the nozzle lever 48a of the refueling nozzle 48 to start refueling.

Therefore, when the oil type determination results match,
Since the staff at the gas station only needs to perform the operation to output the refueling permission (fuel supply permission signal), it is better than the method to output the refueling permission when the refueling nozzle is removed from the nozzle hook and the nozzle switch is turned off. Even when it has a function of determining the type of fuel by the self-service method, it is possible to reduce the burden on the staff at the gas station and improve the fuel supply efficiency.

Further, even if the staff at the gas station performs the operation of outputting the fueling permission signal before the oil type determination result is obtained, it is not effective, and the fuel supply permission due to the erroneous operation of the staff at the gas station can be canceled.

In the above embodiment, the case where the oil liquid such as gasoline or light oil is supplied to the fuel tank of the vehicle has been described as an example. However, the present invention is not limited to this, and fuel other than the oil liquid (for example, in a fuel cell vehicle is used. It is needless to say that the present invention can be applied to a system that supplies consumed hydrogen or gas consumed as fuel in LPG cars, CNG cars, and the like).

Further, in the above embodiment, the case where the customer sets the oil type before refueling is given as an example, but the present invention is not limited to this, and the nozzle switch is turned off when the customer removes the refueling nozzle from the nozzle hook. The oil type of the refueling nozzle may be automatically set as the set oil type.

In the above embodiment, the case where the vapor concentration in the fuel tank is detected to determine the oil type has been described as an example, but the invention is not limited to this. For example, the oil supply nozzle is provided at the oil supply port of the fuel tank. It is also possible to provide a bar code reader for reading the oil type indication by a bar code or the like.

As described above, according to the first aspect of the invention, the fuel supply request signal is output and the permission signal is input before the fuel is supplied to the supply tank. A fuel supply device that enables fuel to be supplied to the supply tank, a supply permission means for permitting fuel supply by the fuel supply device, and a fuel supply request signal input from the fuel supply device to that effect. And a permitting device that outputs a permission signal to the fuel supply device designated by the supply permitting means, provided that the fuel supply request signal is input from the fuel supply device. In the fuel supply system consisting of, the fuel type detection means for detecting the type of fuel in the supplied tank, the type of fuel to be supplied to the supplied tank, and the type of fuel detected by the fuel type detection means. When the fuel supply request signal is input and the determination means determines whether the fuel types match, the fuel supply request is displayed on the display means. Since the fuel supply device that has output the signal is provided with display control means for displaying that the fuel supply is waiting for fuel supply, when the determination means determines whether or not the types of fuel match, the clerk concerned Since it suffices to perform an operation of outputting the permission signal to the fuel supply machine, it is possible to reduce the burden on the staff and improve the fuel supply efficiency as compared with the conventional case where the oil type determination is performed after the permission signal is output. It will be possible.

According to the invention described in claim 2,
Only when the display control means receives the fuel supply request signal and the determining means determines that the fuel types match, the fuel supply device that outputs the fuel supply request signal to the display means supplies the fuel. In order to display that it is waiting, the clerk only needs to perform an operation of outputting a permission signal to the fuel supply device when the determination means determines that the fuel types match. As compared with the case where the oil type determination is performed after outputting the permission signal as described above, the burden on the staff can be reduced and the fuel supply efficiency can be improved.

According to the invention described in claim 3,
When the fuel supply request signal is input from the fuel supply unit, the display control unit causes the display unit to display that the fuel supply unit is determining the type of fuel, and the determination unit causes the fuel supply unit to determine. Indicates that the fuel supply is waiting for permission of fuel supply, and the permitting machine operates the supply permitting means on the fuel supply machine for which the determining means determines that the types match. Since the supply permission signal is output to the fuel cell, since it is sufficient for the clerk to perform the operation of outputting the fuel supply permission signal when the determination means determines that the fuel types match, the self-service method Even with the function of determining the type, it is possible to reduce the burden on the staff and improve the fuel supply efficiency. Further, even if the operator mistakenly outputs the fuel supply permission signal before the determination result of the fuel type is obtained by the determination means, the operation is not effective, and the fuel supply permission due to the operator's erroneous operation can be canceled.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of a fuel supply system according to the present invention.

FIG. 2 is a schematic configuration diagram of a weighing machine.

FIG. 3 is a vertical sectional view showing an internal configuration of an oil type detection unit.

FIG. 4 is a diagram showing a configuration of a setting device 26.

5 is a block diagram showing a configuration of a setting device 26. FIG.

FIG. 6 is a diagram showing a display example of a management menu screen displayed on the monitor 21 of the SS controller 20.

FIG. 7 is a diagram for explaining an operation procedure of the fuel supply system 10.

FIG. 8 is a diagram showing a transition of a display screen in the case of normal refueling.

FIG. 9 is a diagram showing a transition of a display screen when oil type cannot be detected.

FIG. 10 is a diagram showing a transition of a display screen when an oil type is abnormal.

FIG. 11 is a flowchart for explaining a control process executed by the control device 60 of the weighing machine 22.

FIG. 12 is a flowchart illustrating a control process executed by the SS controller 20.

[Explanation of symbols]

10 Fuel supply system 14 POS terminal 20 SS controller 21 monitor 22,24 Weighing machine 26 Setting device 28 surveillance cameras 30 Surveillance camera dividing device 32, 34 communication lines 42 Refueling pump 43 Pump mode 44 Refueling flow meter 45 Flow rate pulse oscillator 47 Refueling hose 48 refueling nozzle 49 Discharge pipe 50 nozzles 5l nozzle switch 54 Vapor suction tube 55 Vapor suction pipe 56 Intake and exhaust pump 57 Oil type detection unit 59 Flowmeter 60 control device 62 Temperature sensor 65 Contact combustion sensor 74,75 Gas sensor 84 LCD monitor 86 magnetic card reader 88 banknote deposit machine 90 printer 92 Intercom 94 speakers 96 optical sensor 100 control circuit 102 storage 110 Management menu screen 132 Standby screen 133 Oil type detection screen 134 Refueling permission waiting screen 135 Refueling start waiting screen 136 Refueling screen 137 Refueling stop screen 138 Refueling end screen 139 Setting data 140 Oil type undetectable screen 141 Refueling start waiting screen 142 Oil type error screen 143 Standby screen

Claims (3)

[Claims] 1. A fuel supply device capable of supplying fuel to a supplied tank by outputting a fuel supply request signal prior to supplying fuel to the supplied tank and inputting a permission signal. And a supply permission unit for permitting the fuel supply by the fuel supply unit, and a display unit for displaying a fuel supply request signal when the fuel supply unit inputs the fuel supply request signal,
On the condition that a fuel supply request signal is input from the fuel supply machine, a permitting machine that outputs a permitting signal to the fuel supply machine designated by the supply permitting means, and a fuel supply system comprising: Whether or not the fuel type detecting means for detecting the fuel type of the supply tank and the type of fuel to be supplied to the supplied tank and the fuel type detected by the fuel type detecting means are collated with each other. When the fuel supply request signal is input, and it is determined by the determining means whether or not the fuel types match,
A fuel supply system, comprising: display control means for displaying on the display means that the fuel supply device that has output the fuel supply request signal is waiting for fuel supply. 2. The display control means displays the fuel supply request signal to the display means only when the fuel supply request signal is input and the determining means determines that the fuel types match. 2. The fuel supply system according to claim 1, wherein the output fuel supply device displays that the fuel supply device is waiting for fuel supply. 3. The display control means, when a fuel supply request signal is input from the fuel supplier, displays on the indicator that the fuel supplier is determining the type of fuel. At the same time, the determination means displays on the display means that the fuel supply machine is waiting for permission of fuel supply, and the permitted machine is the fuel supply machine determined by the determination means to be of the same type. 3. The fuel supply system according to claim 2, wherein a supply permission signal is output to the fuel supply machine by operating the supply permission means.