JPH0880999A - Oil filling device - Google Patents

Abstract

PURPOSE: To provide an oil filling device wherein a car is prevented from leaving without paying a charge, without providing a separate leaving-prevention device and which is inexpensive and can be easily handled. CONSTITUTION: In an oil filling device equipped with an oil filling system wherein an oil filling pump and a flow meter are provided in a pipe, one end of which is connected to an oil storage tank and the other end of which is connected to an oil filling pipe having on its end an oil filling nozzle, a lock means which holds a connection between the oil filling nozzle and an oil filling port of a car, and a control device 30 for controlling each device, the control means 30 includes an oil-filling start judging means 41 for outputting a lock signal to the lock means and an account-settlement judging means 48 which outputs a release signal to the lock means after calculating an oil-filling charge.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic refueling system which is installed at a self-service refueling station for supplying fuel to an automobile by a customer.

[0002]

2. Description of the Related Art Conventionally, as a refueling device for automatically refueling by inserting a refueling nozzle into a refueling port of a vehicle to be refueled, for example, Japanese Utility Model Laid-Open No. 51-140917 prevents unpaid leaving. Therefore, it is disclosed that when the refueling is started, a vehicle-outgoing prevention device provided on the ground is activated, and when the refueling fee is settled after refueling, the vehicle-outgoing prevention device is released.

[0003]

However, in such a fueling device, it is necessary to separately provide an independent anti-discharging device on the ground, which is disadvantageous in that it requires space and cost.

Therefore, an object of the present invention is to provide an inexpensive and easy-to-handle refueling device that can prevent unpaid leaving without providing a separate leaving prevention device.

[0005]

In order to achieve the above object, an oil supply apparatus of the present invention is a pipe having one end connected to an oil storage tank and the other end connected to an oil supply pipe having an oil supply nozzle at its tip. An oil supply system with an oil supply pump and a flow meter,
In a refueling device including lock means for holding a connection between the refueling nozzle and a refueling port of an automobile, and a control device for controlling the respective devices, the control device outputs a lock signal to the lock means to determine refueling start. Means, and a settlement completion determination means for outputting a release signal to the lock means after the refueling fee has been settled.

The refueling nozzle is provided at the tip of a multi-joint manipulator provided with a motor for connecting a plurality of arms through joints and driving each arm. It is preferable in that the refueling nozzle can be moved to the mouth. It is preferable that the lock means does not move the motor of the multi-joint manipulator, since it can also serve as a vehicle withdrawal prevention device and can be inexpensive. The refueling nozzle may be provided with a refueling start switch and an insertion sensor for detecting insertion of a refueling port in the vicinity thereof, and the refueling start determination means may output a lock signal by a signal from the refueling start switch and the insertion sensor. It is preferable in that the oil is injected after surely inserting the oil supply nozzle into the oil supply port. The refueling pump is stopped by a signal due to the arrival of a set refueling amount of an end switch, a liquid level sensor or a preset key, and when the reimbursement is performed after the refueling pump is stopped, the settlement completion determination means outputs a lock release signal. It is preferable that the multi-joint manipulator returns the refueling nozzle to the standby position by the lock release signal, because the lock is released after the settlement is completed after the refueling is completed. It is preferable that the multi-joint manipulator moves the refueling nozzle from the standby state to the vicinity of the refueling port in response to a signal from a vehicle sensor that detects a car stopped in the refueling area, in order to simplify the refueling operation.

[0007]

In the present invention, since the manipulator is locked while the refueling nozzle is fixed to the refueling port after the end of refueling until the completion of the fare settlement, it is possible to prevent the unpaid vehicle from leaving without providing a separate vehicle warding prevention device. It is possible, cheap and easy to handle.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an embodiment shown in the drawings. FIG. 1 is an external perspective view showing the entire refueling device according to an embodiment of the present invention.

In FIG. 1, the oil supply device 10 of this embodiment is
A ground-based refueling device for refueling using a manipulator, which is a motor-driven multi-joint manipulator 13 provided on a column 12 standing on an island 11, and an indicator provided on the column 12. The operation unit 14 includes an automatic settlement machine, a control device for each unit, and the like, and a refueling nozzle 15 attached to the tip of the manipulator 13 and connected to a refueling system (not shown).

The column 12 is rotatably attached to the island 11 by a joint 16. Also,
The motor-driven multi-joint manipulator 13 has an arm 1 which is rotatably or movably connected in the X-, Y-, or Z-axis directions by joints 17a, 17b, 17c, 17d, respectively.
8a, 18b, 18c, 18d and the like. The refueling nozzle 15 is attached to the tip of the arm 18a and can be freely moved by the motor of the multi-joint manipulator 13 in the XYZ directions. The refueling nozzle 15 is connected to a tip end of a refueling pipe of a refueling system (not shown), and the refueling pipe is connected to an oil storage tank through a pipe in which a flow meter having a refueling pump and a flow rate pulse transmitter is interposed. ing.

The operation unit 14 is provided in a case 14a attached to the upper end of the column 12, and has a display 19 for displaying the amount of refueling and operation data, and a preset for inputting operation data such as a set amount of refueling. A key 20, a card reader 21 for reading a prepaid card, an emergency stop switch 22, a money inserting machine 23 and a change ejecting part 24 that constitute an automatic settlement machine, and a slip issuing machine 2 for issuing receipts and the like.
5, and a control device 30 for controlling each part described later, and the like.

The refueling nozzle 15 is provided with a switch operation section 31 at hand, which is provided with a refueling switch 31a for starting refueling, an end switch 31b for stopping refueling, and other emergency stop switch and insertion lock switch. Has been. In addition, in the nozzle portion of the refueling nozzle 15,
An insertion sensor 32 for detecting that a nozzle portion has been inserted into a fuel filling port of a vehicle by detecting light and darkness, and a liquid level sensor 33 for detecting a liquid level of a tank of a vehicle for fueling are provided, and the fueling nozzle 15 is A force sensor or the like for detecting an unexpected force applied to the refueling nozzle 15 is provided in a portion attached to the arm 18a. Further, a vehicle sensor 34 that detects a stopped vehicle is provided on the side surface of the island 11 on the fueling area side.

FIG. 2 is a block diagram for explaining the control device for the oil supply system according to the embodiment of the present invention. The parts corresponding to those in FIG. 1 are designated by the same reference numerals.

In the figure, the control device 30 judges the start of refueling based on the signals from the refueling switch 31a and the insertion sensor 32, and outputs a lock signal and a pump ON signal to the manipulator 13, and a refueling start judging means 41, and the end. Refueling end judging means for judging refueling end based on a signal from the switch 31b, the liquid level sensor 33, and a setting section 43 for judging whether the refueling amount set by the preset key 20 has been reached and outputting a pump OFF signal. 42, a storage unit 44 for storing the operation trajectory of the manipulator 13, a counting unit 45 for counting the pulses given from the flow rate pulse transmitter 54 provided in the flow meter and outputting the counting result, and a unit price for setting the refueling unit price. Based on the counting result of the setting unit 46 and the counting unit 45 and the unit price set by the unit price setting unit 46, the refueling amount and the refueling amount are calculated. The arithmetic unit 47, the oil supply after the end cash-on machine lubrication Amounts calculated cash in the calculating portion 47 23
Whether the prepaid card has been settled by the card reader 21 or not, and a settlement completed determination means 48 for outputting a settlement completed signal and a manipulator motor group 52.
Drive unit 49 for driving the oil supply pump motor 53, drive unit 51 for driving the display 19, and the like.

FIG. 3 is a flow chart for explaining the operation of the oil supply system according to the embodiment of the present invention.

First, before refueling, the manipulator 13 is in a constant standby position. Next, when the vehicle to be refueled stops at a predetermined position in the refueling area in front of the island 11 and the vehicle sensor 34 detects the vehicle (ST1), the drive unit 4 is driven.
The manipulator motor group 52 is driven by 9 and the manipulator 13 moves from the standby position to move the refueling nozzle 15 to the vicinity of the refueling port of the automobile (ST2). Then, the customer manually moves the fueling nozzle 15 to insert the nozzle into the fueling port of the automobile. The locus of the manipulator 13 associated with the movement of the refueling nozzle 15 is stored in the storage unit 44. Then, the customer sets the required amount of refueling with the preset key 20 of the operation unit 14 as necessary. Next, the refueling switch 31a for starting refueling provided on the switch operating portion 31 near the refueling nozzle 15 is turned on, and the insertion sensor 3
When 2 detects that the refueling nozzle 15 is inserted into the refueling port (ST3, ST4), an ON signal is output from the refueling start determination means 41, and the counting unit 45 is reset to zero to start counting, and the driving unit. 49 causes the manipulator motor group 52 to be immobile and the refueling nozzle 15 to be locked,
The refueling pump motor 53 is turned on by the drive unit 50,
The valve opens and refueling starts (ST5). During refueling, the refueling amount is calculated by the calculating unit 47 based on the unit price set by the unit price setting unit 46 and the refueling amount counted by the counting unit 45, and the refueling amount and refueling amount are displayed by the drive unit 51 on the display unit 19. Is displayed in. Next, whether the end switch 31b is turned on,
The liquid level sensor 33 detects the liquid level, or the setting unit 4
When 3 outputs a signal in which the set oil supply amount set by the preset key 20 and the oil supply amount counted by the counting unit 45 match, the oil supply end determination means 42 outputs an OFF signal of oil supply end, and the oil supply is completed. (ST6). Then, the calculation unit 47
When the amount of refueling calculated in step 3 is entered into the cash dispenser 23 constituting the automatic settlement machine, or a prepaid card is inserted into the card reader 21, and the settlement completion determination means 48 determines that the settlement has been completed (ST7). The fixed state of the manipulator motor group 52 is released, the locked state of the refueling nozzle 15 is released, the movement locus of the manipulator 13 stored in the storage unit 44 is read, and the original standby position driven by the drive unit 49 is read. Return to (ST8). As a result, the refueling nozzle 15 is removed from the refueling port, and the vehicle can freely exit.

In the refueling device 10 having the above-described structure, the manipulator 13 moves the refueling nozzle 15 so that the manipulator 13 can refuel easily with almost no manual labor, and is suitable for self-service automatic refueling. In addition, a lock signal is output from the refueling start determination means 41 in response to a signal from the refueling switch 31a to start refueling, the manipulator motor group 52 is made immobile, the manipulator 13 is locked, and the settlement completion determination means 48 determines that settlement has been completed. Then, the manipulator motor group 52 is made movable to release the locked state of the manipulator 13, and the refueling nozzle 15 provided at the tip of the manipulator 13 cannot be removed unless the refueling fee is settled. Therefore, since the locking means is configured by immobilizing the manipulator motor group 52 that holds the connection between the fueling nozzle 15 and the fueling port of the automobile, it is not necessary to provide a separate separate leaving prevention device, which is inexpensive. And easy to handle. In addition, the refueling nozzle 15 is inserted into the refueling port of the automobile and the manipulator 1
When the vehicle 3 is in the locked state and the user attempts to exit the vehicle without adjusting the refueling charge, the force applied to the refueling nozzle 15 is detected by the force sensor, and an alarm buzzer or the like is activated to issue an alarm.

In the above-described embodiment, the manipulator 13 is described as an example in which the arms 18a, 18b, 18c and 18d are connected by the joints 17a, 17b, 17c and 17d, respectively, but the present invention is not limited to this. It can be applied to a multi-joint manipulator provided with a motor that connects arms by joints and drives each arm.

Although the preferred embodiment of the present invention has been described, it goes without saying that various improvements and modifications can be made without departing from the spirit of the present invention.

[0020]

As described above, in the refueling device of the present invention, the manipulator is locked while the refueling nozzle is fixed to the refueling port after the end of refueling until the completion of the charge adjustment, so that a separate shunting prevention device is provided. Without leaving the car without paying the fee, it is cheap and easy to handle.

[Brief description of drawings]

FIG. 1 is an external perspective view showing an entire oil supply device according to an embodiment of the present invention.

FIG. 2 is a block diagram illustrating a control device for an oil supply device according to an embodiment of the present invention.

FIG. 3 is a flowchart illustrating an operation of the oil supply apparatus according to the embodiment of the present invention.

[Explanation of symbols]

 10 Refueling device 11 Island 12 Strut 13 Manipulator 14 Manipulator 14 Refueling nozzle 16 Joints 17a, 17b, 17c, 17d Joints 18a, 18b, 18c, 18d Arms 19 Display 20 Preset key 21 Card reader 22 Emergency stop switch 23 Money throwing machine 24 Change Discharge Unit 25 Voucher Issuing Machine 30 Control Device 31a Refueling Switch 31b End Switch 32 Insertion Sensor 33 Liquid Level Sensor 34 Vehicle Sensor 41 Refueling Start Judgment Means 42 Refueling End Judgment Means 43 Setting Part 44 Storage Part 45 Counting Part 46 Unit Price Setting Part 47 Computational Section 48 Settled Judgment Means 49, 50, 51 Drive Section 52 Manipulator Motor Group 53 Oil Pump Motor 54 Flow Rate Pulse Transmitter

Claims (6)

[Claims] 1. An oil supply system in which one end is connected to an oil storage tank and the other end is connected to an oil supply pipe having an oil supply nozzle at its tip and an oil supply pump and a flow meter are interposed in the pipe, and the oil supply nozzle and an automobile. Locking means for holding the connection with the fuel filler,
In a refueling device including a control device that controls each of the devices, the control device outputs a refueling start determination means that outputs a lock signal to the lock means, and a release signal to the lock means after the refueling charge has been settled. A refueling device, characterized in that it is provided with a settlement completion determining means. 2. The refueling device according to claim 1, wherein the refueling nozzle is provided at a tip portion of a multi-joint manipulator provided with a motor that drives a plurality of arms by connecting the plurality of arms through joints. 3. The oil supply device according to claim 2, wherein the lock means immobilizes a motor of the articulated manipulator. 4. The refueling nozzle is provided with a refueling start switch and an insertion sensor for detecting insertion of a refueling port in the vicinity of the refueling nozzle, and the refueling start determination means receives a lock signal as a signal from the refueling start switch and the insertion sensor. The oil supply device according to claim 1, 2 or 3, which is output. 5. The refueling pump is stopped by a signal due to the arrival of a set refueling amount of an end switch, a liquid level sensor or a preset key, and when the reimbursement is performed after the refueling pump is stopped, the settlement completion judging means is locked. 5. The oil supply device according to claim 2, 3 or 4, wherein a release signal is output, and the multi-joint manipulator returns the oil supply nozzle to the standby position by the lock release signal. 6. The articulated manipulator according to claim 2, 3, 4 or 5, wherein the refueling nozzle moves from a standby state to a vicinity of a refueling port in response to a signal from a vehicle sensor that detects a car stopped in a refueling area. Refueling device.