JPH0534239B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a refueling device that temporarily interrupts refueling of a vehicle by a predetermined operation to enable refueling of another vehicle. The present invention relates to a refueling device capable of restarting refueling of the first vehicle.

Conventional technology In conventional oil supply devices, the oil discharged from the oil supply nozzle is measured by a flow meter, and the flow rate pulses output from the flow pulse transmitter attached to the flow meter are counted by a counter and the amount of oil supplied is displayed. The structure is such that it is displayed in sections. To measure the amount of refueling, when the refueling nozzle is removed from the nozzle hook of the refueling body, the display section (counter section) is reset to zero and the refueling pump is activated. Thereafter, by opening the refueling nozzle, the counter integrally counts the flow rate pulses output from the flow pulse transmitter and displays the result on the display unit as the amount of refueling.

Problems to be Solved by the Invention However, in the conventional refueling device having the above configuration, when the refueling nozzle is removed from the nozzle hook, the display resets to zero and enters a new refueling acceptance state, and then the refueling nozzle is removed from the nozzle. The oil discharged from the refueling nozzle by the valve opening operation of the refueling nozzle is integrated and measured as the refueling amount until it is returned to the position and displayed on the display section. Therefore, when refueling multiple vehicles, in order to clarify the amount of refueling for each vehicle, refueling is completed one by one, and the refueling of the vehicle that is being refueled first is done. It was not possible to interrupt the process and give priority to refueling the next vehicle. Therefore, for example, when the type of oil being refueled is light oil, the current situation is that only one refueling device is installed at each refueling station.
If a vehicle with a large tank capacity, such as a large truck, is being refueled, and a passenger car with a small tank capacity comes to refuel, the passenger car will have to wait a long time until the large truck has finished refueling, and it will be difficult to refuel. The drawback was that it took time.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an oil supply device that eliminates the above-mentioned drawbacks.

Means and Effects for Solving Problems The present invention, as shown in FIG. Instruct to start. Further, the refueling restart operation means 18 instructs to end the measurement of a new and different refueling for which measurement start has been instructed by the refueling interruption operating means 18, and also instructs to restart the measurement of the interrupted refueling in progress. Then, the oil supply amount measurement control means 21
According to the instruction signals from both the operating means 17 and 18, the flow rate pulses outputted from the flow rate pulse transmitter 14 are controlled to be counted and stored as individual oil supply amount data, and display control is performed on the display 20. It is something to do.

Embodiment FIGS. 2 and 3 show a first embodiment of the oil supply device according to the present invention. In Fig. 2, 7 is a refueling device main body, one end of which communicates with an underground tank (not shown), and a refueling nozzle 8 at the other end.
A piping 10 connected to a refueling hose 9 having a refueling hose 9 is provided. A refueling pump 11 and a flow meter 12 are provided in the middle of this piping 10. 13 is a motor that drives the oil supply pump 11; 14 is a flow meter 1;
This is a flow rate pulse transmitter attached to 2. The refueling nozzle 8 is hung on a nozzle hook 15, and the nozzle hook 15 is provided with a nozzle switch 16 that is operated in accordance with whether the refueling nozzle 14 is hooked or disconnected.

Above the nozzle hook 15 on the side surface of the refueling device main body 7, a refueling interrupt switch 17 as a refueling interrupt operation means, a refueling restart switch 18 as a refueling restart operating means, and a refueling amount display switch 19 are arranged. A display 20 for displaying the amount of refueling is provided on the front. Reference numeral 21 denotes a control device which, as shown in FIG.
6, it is connected to the display 20, the flow rate pulse generator 14, the refueling interrupt switch 17, the refueling restart switch 18, the refueling amount display switch 19, and the pump drive circuit 26 of the pump drive motor 13. Then, the control device 21 starts the pump drive motor 13 via the pump drive circuit 26 by removing the refueling nozzle 8 from the nozzle hook 15, and starts the pump drive motor 13 via the pump motor drive circuit 26 by hooking the refueling nozzle 8 to the nozzle hook 15. The pump drive motor 13 is then stopped.

Further, the control device 21 constitutes a refueling amount measurement control means which is one of the constituent means of the present application, and the RAM 23, which is controlled by the CPU 22 as a program memory according to the procedure stored in the RAM 23, contains control device flow rate pulses. A counter area that counts and stores signals output from the transmitter 14.
CONT and CONT are provided.

CONT is a counter that counts the flow rate measurement signal measured during normal refueling. Also, CONT
is a counting unit that counts the flow rate measurement signal measured during interrupt refueling in which one refueling in progress is interrupted and another refueling is performed.

When interrupting the refueling operation during normal refueling and performing this interrupt refueling, the CPU 22 interrupts the counting of the refueling amount by CONT in response to the refueling interrupt command signal output by closing the refueling interrupt switch 17. Initialize CONT and switch to count the amount of refueling from the refueling operation after the interruption. In addition, when continuing the interrupted refueling after the interrupt refueling is completed, the interrupted CONT is specified again by the refueling restart command signal outputted by closing the refueling restart switch 18, and the refueling amount of the restarted refueling operation is set as above. Continuing the interrupted refueling amount
Use CONT to count. Further, the control device 21 receives an operation signal from the oil supply amount display switch 19 and causes the display 20 to display the previous interrupt oil supply amount during normal refueling or the interrupted oil supply amount that is to be displayed during interrupt refueling on the display 20 for a predetermined time.

Here, the configuration of the control device 21 constituting the oil supply amount measurement control means will be described in more detail with reference to FIGS. 4 and 5. In the standby state, the control device 21 monitors whether the refueling nozzle 8 is removed from the nozzle hook 15 of the refueling device main body 7, that is, whether a nozzle removal signal is input from the nozzle switch 16 (step 30). . The nozzle switch 16 operates to the closed state, initializes the display 20, and when a nozzle removal signal is input, the display is reset to zero (step 31). Then, the pump drive circuit 26 is activated by the operation of the nozzle switch 16.
The pump drive motor 13 is activated via the pump (step 32). Next, the counter area CONT in the RAM 23 is designated and initialized to enable refueling (step 33). Then, when the refueling worker inserts the refueling nozzle 8 into the refueling port of the tank of the vehicle and opens the refueling nozzle 8, the refueling of light oil via the piping 10 and the refueling hose 9 is started. Furthermore, each time a flow rate pulse outputted from the flow rate pulse transmitter 14 attached to the flow meter 12 is input, the counter area CONT is performed and counted, and the counting result is displayed as the amount of oil supplied on the display 20 to perform the oil supply process. (Step 34). At the same time, it is checked whether a refueling interrupt signal and a nozzle return signal are input from the refueling interrupt switch 17 and the nozzle switch 16, respectively (step 36). When refueling is completed and the refueling operator returns the refueling nozzle 8 to the nozzle hook and the nozzle switch 16 is opened, the input of the nozzle return signal is confirmed in step 36, and the pump drive circuit 26
The pump drive motor 13 is stopped via the .
(Step 37) In the normal refueling work described above, CONT
For example, if a small vehicle with a small tank capacity arrives at a refueling station while a large vehicle is being refueled, it will take a considerable amount of time to fully refuel the large vehicle. For this reason, refueling of large vehicles will be temporarily suspended and priority will be given to refueling of small vehicles.
Interrupt lubrication performed in this case will be explained.
A refueling worker temporarily closes the refueling nozzle 14 to interrupt refueling the large vehicle, and then closes the refueling interruption switch 17 of the refueling device main body 7.

When the refueling interrupt command signal is supplied by closing the refueling interrupt switch 17 (step 35), the input of the refueling interrupt command signal is confirmed at any time even when a large vehicle is being refueled at step 35, so this is detected. Then, the control device 21 initializes the display 20 and resets the display to zero (step 38), and also specifies the counter area CONT.
Switch from CONT to CONT and initialize it (step 39). Note that the amount of refueling counted in the counter area CONT until the interruption remains stored in CONT.

Next, the refueling worker inserts the refueling nozzle 8 into the tank refueling port (not shown) of the small vehicle and opens the valve to start refueling. Then, this flow rate pulse is counted in the counter area CONT, and the counting result is displayed on the display 20 as the amount of fuel supplied to the small vehicle. In this way, the refueling amount of the interrupt refueling to the small vehicle is counted by CONT and refueling processing is performed (step 39). At the same time, it is checked whether the refueling restart switch 18 has been operated and a refueling restart command signal has been input (step 41), and the interrupt refueling work for the small vehicle is completed.
When the refueling operator closes the refueling nozzle 8 and closes the refueling restart switch 18, he confirms that the refueling restart command signal is supplied by closing the refueling restart switch 18, and then specifies the counter area CONT. CONT the counter area that counts the amount of refueling.
Then switch to CONT (step 42). Note that the amount of refueling for the small vehicle counted in the counter area CONT remains stored in CONT.

Next, when the refueling worker inserts the refueling nozzle 8 into the refueling port of the tank of the large vehicle where refueling was interrupted and opens the refueling nozzle 8 to start refueling, the processes described in steps 34, 35, and 36 are repeated. conduct. Therefore, the refueling amount for the large vehicle that has been restarted will be determined by the counter area where counting of the refueling amount was interrupted during the refueling.
It is added to CONT, which counts the total amount of refueling for large vehicles. When the refueling work for the large vehicle is completed, the refueling worker closes the refueling nozzle 8 and returns the refueling nozzle 8 to the nozzle hook 15. When the refueling nozzle 8 is returned to the nozzle hook 15, the nozzle switch 16 is opened and the nozzle switch 1 is opened.
6 is opened, the return of the refueling nozzle 8 is detected (step 36), and the rotation of the pump drive motor 13 is stopped. (Step 37) Next, the process for displaying the amount of refueling will be explained. The control device 21 is configured to execute the process shown in FIG. 4 and also execute the display control process shown in FIG. 5 by timer interrupt processing.

The control device 21 determines whether a signal indicating that the refueling amount display switch 19 has been operated is input at a predetermined time interval (step 43), or whether a display call flag (not shown) in the RAM 23 is set (step 43).
46), and controls the display on the display 20. More specifically, the control device 21 first checks whether the refueling amount display switch 19 is closed and a signal is input at predetermined time intervals (step 1).
43), when the signal is being input, it is further confirmed whether or not actual refueling is currently in progress (step 44).
Note that whether or not actual refueling is in progress is determined, for example, by checking whether the count value of a pulse interval counter that measures the output interval (not shown) of flow rate pulses output from the flow rate pulse transmitter 14 is greater than or equal to a predetermined value. . When the count value of the pulse interval counter is equal to or greater than a predetermined value and it is determined that refueling is not in progress, the display call flag in the RAM described above is set (step 45).

Next, check whether the display call flag is set or not (step 46),
If it has not been set, in step 53 it is determined whether the current state is a normal lubrication state or an interrupt lubrication state, and the counter area configured in the RAM 23 corresponding to the current lubrication state, that is, CONT or CONT.
The data is read out and displayed on the display 20. On the other hand, when the display call flag is set or confirmed to be set in step 46, the following display control is performed.

First, when it is confirmed that the refueling amount display switch 19 is closed in this process, the current refueling work status is determined (step 48) in the same manner as in step 53 described above, and the current refueling work status is reversed. Counter area CONI in refueling working condition or
The CONT data is read out and displayed on the display 20 (step 49).

After incrementing the display count timer C by 1 (step 50), the process returns to the process described in FIG. 4 and continues until a predetermined time interval elapses.

On the other hand, if it was confirmed that the refueling amount display switch 19 was operated in the previous process,
As mentioned above, the display count timer is incremented in step 50, so whether or not the display count timer C has reached a preset predetermined value K, that is, the refueling mode opposite to the current refueling state is determined for a predetermined period of time. Check in step 47 if the process has been completed. At this time, if the predetermined time has not passed, that is, if the count value of the display count timer C has not reached K, steps 48, 49, and 50 are performed, but if it is confirmed that the predetermined time has elapsed, When the count value of the display count timer C is K, the display call flag is reset (step 51), and the value of the display count timer C is reset to zero in preparation for the next operation of the refueling amount display switch 19 (step 52). .

Then, in steps 53 and 54 described above, the data in the counter area CONT or CONT corresponding to the current refueling state is read out and displayed on the display 20.

Note that the processing shown in FIG. 5 above takes, for example, 0.5 msec.
Even when the process shown in Fig. 4 is being executed, the refueling amount display switch 1
9, the interrupt processing shown in FIG. 5 can be executed immediately.

As a result, when the refueling amount display switch 19 is operated, the refueling amount of the refueling state opposite to the current refueling state is automatically displayed for a predetermined period of time if the actual refueling is not currently in progress.

A second embodiment of the oil supply device according to the present invention is shown in FIGS. 6 and 7. FIG. 6 has approximately the same configuration as the schematic configuration diagram of the first embodiment shown in FIG.
The configuration of RAM 23 in 1 is different. The RAM 23 includes a counter area CONT that counts the flow rate pulses from the flow rate pulse transmitter 14, a first storage area 27 that stores the amount of oil supplied by normal lubrication, and a second storage area 27 that stores the amount of oil supplied by interrupt lubrication.
A storage area 28 is provided. Moreover, FIG. 7 is almost the same as the flowchart of the first embodiment shown in FIG. 4, and instead of CONT,
This is a flowchart when the second storage areas 27 and 28 are used. Therefore, only the parts different from FIG. 4 will be explained. In FIG. 7, in step 32, when the pump drive motor 13 is started, the counter area CONT is initialized to be ready for oil supply (step 60). Also, step 35
When a refueling interruption command signal is input at step 61, the refueling amount counted by CONT up to that point is stored in the first storage area 27 (step 61). next
CONT and display 20 are initialized (step 62) to enable interrupt lubrication. Then, in step 39, a refueling restart command signal is input, and the amount of refueling counted by interrupt refueling by CONT is stored in the second storage area 28 (step 63). Next, the amount of refueling stored in the first storage area (the amount of refueling at the time of interruption)
preset to CONT (step 64).

Also, when normal refueling is completed and in step 37,
When the rotation of the pump drive motor 13 stops,
The total amount of refueling counted in CONT is stored in the first storage area 27 (step 66).

In the above embodiment, the refueling interrupt switch 1
7. Although the refueling restart switch 18 and the refueling amount display switch 19 are provided on the side of the refueling device main body 7 in the explanation, the present invention is not limited to this. It may be provided. Further, although the refueling interruption switch 17 and the refueling restart switch 18 are configured as separate switches, they may be configured as one switch and the number of operations, etc. is determined to distinguish between the refueling interruption instruction signal and the refueling restart instruction signal. .

Effects of the Invention As described above, according to the oil supply device of the present invention,
For example, even if a small vehicle arrives at a refueling station while a large vehicle with a large tank capacity is being refueled, refueling of the large vehicle can be interrupted and refueling of the small vehicle can be performed, allowing the refueling of the small vehicle to be refueled later. By prioritizing the refueling work on the vehicles, it is possible to prevent inconveniences caused by making small vehicles wait for a long time.In addition, when counting the amount of refueling for two vehicles separately, the first counter area, Since the refueling amount can be stored separately in the second counter area or in the first storage area and the second storage area, it is possible to issue separate slips for each vehicle with one card, for example. It has characteristics.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram for explaining the main parts of an embodiment of the oil supply device according to the present invention, FIG. 2 is a diagram for explaining the main body of the device shown in FIG. 1, and FIG. A schematic configuration diagram of the first embodiment, FIGS. 4 and 5 are flowcharts showing the system configuration of the control device of the apparatus shown in FIG. 3, and FIG. 6 is a diagram for explaining the second embodiment of the present invention. The schematic configuration diagram, FIG. 7, is a flowchart showing the system configuration of the control device shown in FIG. 6. 7...Refueling device main body, 8...Refueling nozzle, 9...
...Refueling hose, 11...Refueling pump, 12...Flow meter, 13...Pump drive motor, 14...Flow rate pulse transmitter, 15...Nozzle hook, 16...Nozzle switch, 17...Refueling interrupt switch, 18
...Refueling restart switch, 19... Refueling amount display switch, 20... Display, 21... Control device, 22
... CPU, 23 ... RAM, 25 ... interface, 26 ... pump drive circuit, 27 ... first storage area, 28 ... second storage area.

Claims (1)

[Claims] 1. A refueling system consisting of a refueling nozzle, a refueling hose, a flow meter, and a flow pulse transmitter attached to the flow meter, and the amount of refueling is transmitted to the refueling system by counting the flow pulses output from the flow pulse transmitter. In a refueling device configured to display on a correspondingly provided display, an instruction is given to interrupt the measurement of refueling currently in progress by the refueling system, and a new measurement of another refueling by the refueling system is started. a refueling interruption operation means that instructs the refueling interruption operation means, and an instruction to end a new and different refueling measurement by the relevant refueling system for which measurement start has been instructed by the refueling interruption operation means;
a refueling restart operating means for instructing the resumption of measurement of the ongoing refueling by the interrupted refueling system; and a flow rate pulse outputted from the flow rate pulse generator in response to instruction signals from both operating means, respectively. A refueling device comprising a refueling amount measurement control means that performs counting control and storage control as refueling amount data, and controls display on the display.