JP3395545B2 - Refueling device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil supply device for supplying fuel oil such as kerosene to a plastic tank.

[0002]

2. Description of the Related Art An oil supply device for supplying fuel oil such as kerosene to a plastic tank has been proposed by the applicant of the present invention.
No. 0 is known. In this product, the lever is lowered to insert the oil supply nozzle into the plastic tank, the preset button of the keypad is pressed to set the oil supply amount, and the oil is discharged from the oil supply nozzle when the start button is pressed. In this way, when the start button is pressed, oil is supplied, so there is a risk that oil will be discharged to the outside of the plastic tank if oil is supplied without lowering the lever or if the lever moves up during oiling and the oil supply nozzle comes off. . In order to eliminate this inconvenience, a detection switch for detecting the lowering of the refueling nozzle is provided so that refueling can be performed only when the refueling nozzle is lowered, and the refueling end button provided on the keypad is pressed to execute the refueling end process. Then,
When the lever is raised and the detection switch opens, refueling ends, so you may forget to press the refueling end button, and the refueling end process will not be performed forever, and the next customer will not be able to start refueling or do not start it. There is the inconvenience of refueling at and adding to the refueling of the previous customer.

[0003]

Therefore, according to the present invention, even if the user does not press the refueling end button and finishes refueling, the refueling start operation of the next customer cannot be performed or the refueling is added to the refueling of the previous customer. An object of the present invention is to provide a refueling device without inconvenience.

[0004]

To achieve the above object, the present invention provides a fueling nozzle provided at the tip of a fueling pipe, in which a pump, a flow meter and a flow control valve are provided in the middle of the fueling pipe. An oil refueling device provided with an elevating mechanism, a detecting switch for detecting the descent of the oil supply nozzle in the elevating mechanism, and a control device for receiving a signal from a keypad and outputting a drive signal to the pump and the flow control valve. The key pad is provided with a start button for instructing the start of refueling and a refueling end button for instructing the end of refueling, and the control device is configured such that the controller detects a descent detection signal from the detection switch and a refueling start signal from the start button. Receiving means for executing refueling start processing, refueling end means for executing refueling end processing in response to the rising detection signal from the detection switch and the refueling end signal from the refueling end button, and the detection Since there is an ascent detection signal from the switch and an automatic lubrication end means that executes refueling end processing unless a refueling end signal is input from the refueling end button within a fixed time after the rise detection signal is input, press the refueling end button. Even if you forget to finish refueling, refueling end processing is automatically executed.

A POS is connected to the control device, and the control device is made movable by a permission signal from the POS. The refueling start process of the refueling start means is performed by a valve opening signal to a flow control valve and a pump. With the output of the start signal of, the refueling end processing of the refueling end means and the automatic refueling end means
Since the POS is instructed to issue the refueling slip and manage the refueling data, the POS automatically issues the refueling slip and manages the refueling data.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. As shown in FIG. 1, the refueling device of the present invention comprises a main body case 1, a display meter case 2 attached to one of the main body case 1 in a protruding state, and a bottom portion of the protruding portion of the display meter case 2. A nozzle case 3 provided in
It is composed of a mounting table 4 of a plastic tank 18 which is an oil receiving container provided below the nozzle case 3.

An oil supply pipe 7 connected to a pipe 6 from an oil storage tank (not shown) is provided in the main body case 1. The oil supply pipe 7 has a pump 9 driven by a motor 8 and a flow rate pulse transmitter. A flow meter 11 provided with 10 and a flow control valve 12
Is installed. The oil supply pipe 7 is introduced into the nozzle case 3 and connected to the oil supply nozzle 13. The refueling nozzle 13 is moved up and down by an elevating mechanism 14,
The manual lever 15 is provided on the side surface of the nozzle case 3. Then, the manual lever 15 is rotated to rotate the refueling nozzle 1.
A detection switch 16 is provided to detect that 3 is lowered. The indicator case 2 attached to one side of the main body case 1 is provided with a refueling amount indicator 17, a keypad 20, and a controller 30.
0 is connected to the POS 40.

As shown in FIG. 2, a keypad 20 provided in the indicator case 2 has preset buttons 21a, 21b, 21c for setting the amount of refueling, a start button 22 for instructing the start of refueling, and a refueling. A refueling end button 23 for instructing to end refueling, an emergency stop button 24 for stopping refueling in an emergency,
A display 25 is provided to display the number of refueled containers and the preset amount.

As shown in the block diagram of FIG. 3, the control device 30 is provided with a refueling control means 31, a refueling end means 32, and an automatic refueling end means 33. And the control device 3
0 becomes the movable state by the refueling permission signal from the POS 40,
The refueling control means 31 controls the motor 8 for driving the pump 9 and the flow rate control valve 12, counts the flow rate pulse from the flow rate pulse transmitter 10 of the flow meter 11, displays it on the refueling amount display meter 17, and finishes refueling. The means 32 and the automatic refueling ending means 33 are
The POS 40 is instructed to end the refueling process. Then, based on this instruction, the POS 40 issues a refueling slip and manages refueling data.

Next, the refueling operation will be described with reference to the flow charts of FIGS. For example, in order to refuel the three plastic tanks 18 by 20 liters each, the POS 40 in the office is operated to input a refueling permission signal to the control device 30 of the refueling device (ST1 in FIG. 4). Become.
Then, when the plastic tank 18 is placed on the stand 4 and the manual lever 15 is turned to the front, the refueling nozzle 13 is lowered by the elevating mechanism 14, and the refueling nozzle 13 is moved to the poly tank 18.
It is completely inserted into the oil filler port of. And the refueling nozzle 13
Is detected, the detection switch 16 is closed, and a descending detection signal is transmitted to the control device 30.

After the plastic tank 18 is set in this manner, the preset button 21c of the keypad 20 is pressed to
Input a setting signal of 20 liters (ST2 in FIG. 4), press the start button 22 and input a refueling start signal (FIG. 4).
ST3). At this time, since the lowering detection signal has already been input from the detection switch 16 (ST4 in FIG. 4), the refueling control means 31 resets the previous display of the refueling amount displayed on the refueling amount indicator 17 to zero (FIG. 4). ST5), and outputs a drive signal to the flow control valve 12 and the motor 8 (ST in FIG. 4).
6), the flow control valve 12 is opened, the motor 8 is started, the pump 9 is driven, and refueling is started. Then, the number of cans 1 and the set amount of 20 liters are displayed on the display 25 of the keypad 20.

The flow pulse from the flow pulse transmitter 10 of the flow meter 11 is calculated by the refueling control means 31 and displayed on the refueling amount indicator 17. And the refueling amount is the set amount 2
When it reaches 0 liter (ST7 in FIG. 4), the flow control valve 12
Is closed, the motor 8 is stopped (ST8 in FIG. 4), and the refueling of the plastic tank 18 is completed.

Next, when the manual lever 15 is returned, the oil supply nozzle 13 rises and comes out of the oil supply port. And table 4
Lower the plastic tank 18 and place another plastic tank on the stand 4.
, The manual lever 15 is rotated again to insert the refueling nozzle 13 into the refueling port, and the preset button 21c is pressed to set the refueling amount (ST9 in FIG. 4).
Press to input the refueling start signal (Fig. 4, ST1
0). The refueling control device 30 to which these signals are input,
Since the down detection signal has already been input from the detection switch 16 (ST11 in FIG. 4), the flow rate control valve 12 is opened again, the motor 8 is started, and steps ST6 and thereafter are executed. The second refueling is added to the first refueling amount without the refueling amount display meter 17 being zeroed, and the number of cans 2 is displayed on the indicator 25 of the keypad 20.

In this way, the refueling of the three plastic tanks is completed (ST8 in FIG. 4), and the refueling end button 23 is pressed to input the refueling end signal to the control device 30 (STEP in FIG. 4).
12), the refueling ending means 32 executes the refueling ending process to end the control (ST13 in FIG. 4). That is, the POS 40 is instructed to issue a refueling slip and manage refueling data. Then, based on this instruction, the POS 40 issues a refueling slip and manages refueling data.

Although normal refueling is completed in this way, when a certain time, for example, 5 minutes has elapsed after the manual lever 15 was returned (ST14 in FIG. 4), the automatic refueling ending means 33 was completed.
Considers that the refueling end button 23 is forgotten to be pressed and the refueling is finished, and executes the refueling end process (ST13 in FIG. 4).
As a result, even if the user forgets to press the refueling end button and finishes refueling, there is no inconvenience that the refueling start operation of the next customer cannot be performed or the refueling is added to the refueling of the previous customer.

Normal refueling is performed as described above, but during refueling while the set amount is refueled (see FIG. 4, ST
7) If you want to stop refueling, return the manual lever 15 to open the detection switch 16 and deactivate the descent detection signal (see FIG. 5).
ST15), the flow control valve 12 is closed and the motor 8 is stopped (ST16 in FIG. 5). When the manual lever 15 returns and the refueling nozzle 13 rises in this way, the detection switch 16
Is opened and the refueling is stopped, so that it is possible to avoid a risk when the refueling nozzle 13 comes out of the refueling port. To restart refueling, rotate the manual lever 15 and the detection switch 16
Is closed and a descent detection signal is input (ST17 in FIG. 5), the flow rate control valve 12 is opened again, the motor 8 is started and refueling is started, and step ST6 and subsequent steps in FIG. 4 are executed. Then, in order to end the refueling while the refueling is interrupted, when the refueling end button 24 is pressed and the refueling end signal is input to the control device 30 (ST18 in FIG. 5), the refueling ending means 32 executes the refueling ending process to control. It ends (FIG. 5, ST19). That is, as in the case described above, the POS 40 is instructed to issue the refueling slip and manage the refueling data.

Although normal refueling is completed in this way, when a certain time, for example, 5 minutes has elapsed since the manual lever 15 was returned (ST20 in FIG. 5), the automatic refueling termination means 33 was used.
Determines that the refueling has been completed by forgetting to press the refueling end button 24, and executes the refueling end process (ST19 in FIG. 5).

[0018]

As described above, according to the present invention, a pump, a flow meter and a flow control valve are provided in the middle of an oil supply pipe, and an elevating mechanism is provided at an oil supply nozzle provided at the tip of the oil supply pipe. An oil refueling device provided with a detection switch for detecting the lowering of the refueling nozzle in the elevating mechanism and a control device for outputting a drive signal to the pump and the flow rate control valve in response to a signal from the keypad. Is provided with a start button for instructing the start of refueling and a refueling end button for instructing the end of refueling, and the control device receives the lowering detection signal from the detection switch and the refueling start signal from the start button to perform refueling start processing. Refueling start means for executing the refueling, the refueling end means for executing refueling end processing in response to the rising detection signal from the detection switch and the refueling end signal from the refueling end button, and the rising detection from the detection switch Has a refueling end signal that is not input from the refueling end button within a certain time after the signal and the rise detection signal are input, it has automatic refueling end means, so forget to press the refueling end button and end refueling. However, there is no inconvenience that the refueling start operation of the next customer cannot be performed or the refueling operation is added to the refueling of the previous customer.

[Brief description of drawings]

FIG. 1 is a cross-sectional view illustrating the entire oil supply device of the present invention.

FIG. 2 is a front view of the key pad of the oil supply device of the present invention.

FIG. 3 is a block diagram of control of the oil supply device of the present invention.

FIG. 4 is a flow chart of the oil supply device of the present invention.

FIG. 5 is a flow chart of the oil supply device of the present invention.

[Explanation of symbols]

1 body case 2 Display case 3 nozzle case 4 table 6 piping 7 Refueling pipe 8 motor 9 pumps 10 Flow rate pulse transmitter 11 Flowmeter 12 Flow control valve 13 Refueling nozzle 14 Lifting mechanism 15 Manual lever 16 detection switch 17 Lubrication indicator 20 keypads 21a, 21b, 21c preset buttons 22 Start button 23 Refueling end button 24 Emergency stop button 25 indicator 30 control device 31 Refueling control means 32 Refueling ending means 33 Automatic refueling termination means

Claims (2)

(57) [Claims] 1. A pump, a flow meter, and a flow control valve are provided in the middle of the oil supply pipe, and an elevating mechanism is provided at an oil supply nozzle provided at the tip of the oil supply pipe, and the elevating mechanism detects the descent of the oil supply nozzle. In a refueling device provided with a detection switch for receiving a signal from a keypad and outputting a drive signal to the pump and the flow control valve, the keypad has a start button for instructing the start of refueling, A refueling end button for instructing the end of refueling is provided, and the control device receives refueling start signal from the detection switch and a refueling start signal from the start button, and executes refueling start processing; Check whether the refueling end means that receives refueling end signal from the switch and refueling end signal from refueling end button and executes refueling end processing, and the rise detection signal and rise detection signal from the detection switch are input. A refueling device, comprising: an automatic refueling ending means for executing refueling end processing unless a refueling end signal is input from the refueling end button within a predetermined time. 2. A POS is connected to the control device, the control device is activated by a permission signal from the POS, and the refueling start process of the refueling start means is performed by a valve opening signal to a flow rate control valve and a pump. 2. The refueling device according to claim 1, wherein the refueling ending process of the refueling ending means and the automatic refueling ending means is to instruct the POS to issue a refueling slip and manage refueling data by the output of the start signal.