JPH0144478Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a refueling device suitable for performing preset refueling of both a fixed amount and a fixed amount at a refueling nozzle or a refueling hose.

In a refueling system, having many switches for setting fixed amount and preset amount for preset refueling at the refueling nozzle makes it difficult to handle the refueling nozzle and the refueling hose during refueling work, making it difficult to operate the refueling nozzle and refueling hose. Since a large number of signal lines must be provided along the hose, breakage of the signal lines is likely to occur. Furthermore, since a large number of switches are provided near the refueling nozzle, there is a risk of operational errors. These problems are even more noticeable in a suspension type oil supply system which requires a switch for raising and lowering the oil supply nozzle in addition to many switches for setting a fixed amount and a fixed amount for preset oil supply.

Therefore, in a conventional oil supply device that has a setting switch for preset lubrication at hand, it is difficult to have a setting switch for both fixed amount and fixed amount, and it is difficult to have a setting switch for either fixed amount or fixed amount preset lubrication. The common method was to provide only one. As for its configuration, for example, in the case of a lubrication device for quantitative preset lubrication, multiple preset quantitative values are sequentially updated in response to the operation of a single quantitative setting switch. It was hot.

Therefore, there is a single setting switch for quantitative value setting that sequentially updates multiple preset quantitative values, and a single setting switch for fixed value setting that sequentially updates and sets multiple preset fixed amount values. A setting switch is provided, and each time the setting switch for setting the fixed value is operated in the case of fixed amount preset lubrication, and the setting switch for setting the fixed amount value in the case of fixed amount preset lubrication is operated, the setting switch is set on the display. A possible fueling device is one in which a fixed amount or fixed amount value is displayed and a desired fixed amount or fixed amount value can be set.

However, in setting operations for such a refueling device, a setting switch for setting a fixed amount value and a setting switch for setting a fixed amount value are provided near the refueling nozzle so as not to impair the operability of the refueling nozzle. When operating the setting switch, there is a risk that the setting switch for setting the quantitative value and the setting switch for setting the fixed amount value may be operated by mistake. If such an erroneous operation occurs, operate the setting switch for setting the regular quantitative value or the setting switch for setting the fixed amount that you are trying to set, and clear the incorrectly set fixed amount or quantitative value once. Another problem was that the quantitative value or fixed amount value had to be updated and set from the beginning.

This idea was made in consideration of the above circumstances, and includes a refueling value setting switch that simultaneously sets the refueling value for fixed amount refueling and fixed amount refueling on the refueling nozzle or refueling hose, and a refueling mode that can be set as fixed refueling or fixed amount refueling. By providing only two switches, the mode designation switch that selects and specifies the mode, it is possible to preset lubrication by setting fixed amount and fixed amount,
Another object of the present invention is to provide a fuel supply device that can easily display these set values in a small space.

In order to achieve the above object, this invention is a refueling device having a fixed amount refueling function and a fixed amount refueling function, which is provided in a refueling nozzle or a refueling hose, and has a device that selects and specifies the mode of fixed amount refueling or fixed amount refueling. The mode designation switch and the refueling nozzle or refueling hose are equipped to set a desired fixed amount refueling or fixed amount refueling preset value from among a plurality of predetermined fixed amount refueling or fixed amount refueling preset values. one preset value setting switch, a refueling mode instruction section that instructs the type of refueling mode of fixed amount lubrication or fixed amount lubrication according to the operation of the mode specifying switch, and one preset value of fixed amount lubrication or one fixed amount lubrication. A plurality of indicators are arranged so as to correspond to any of the preset values, and one preset value for fixed amount lubrication or one preset value for fixed amount lubrication corresponds to the number of operations of the preset value setting switch. a display means comprising a preset value indicating section for simultaneously instructing a preset value, and a preset value of one of a plurality of preset values for fixed amount lubrication or fixed amount lubrication based on operation signals supplied from the mode designation switch and the preset value setting switch. It consists of a control device that sets a preset value for either refueling or fixed amount refueling, and drives the display means to display the preset value, and the control device selects between fixed amount refueling and fixed amount refueling each time the mode designation switch is operated. A refueling mode setting means for switching and setting the refueling mode between fixed amount refueling, a counting means for counting up the number of operations of the preset value setting switch, and a refueling mode set by the refueling mode setting means and the count result of the counting means. a preset value setting means for setting a corresponding one of the preset values for fixed amount lubrication or fixed amount lubrication from among a plurality of preset values for fixed amount lubrication or fixed amount lubrication, based on the preset value set by the lubrication mode setting means; Display control means drives a refueling mode indicating section of the display means in accordance with the refueling mode, and drives a preset value indicating section of the display means in accordance with the count result of the counting means. It is characterized by

In addition, since this invention has the above-mentioned configuration, the quantitative value and fixed amount value for preset lubrication can be set by simply operating two switches, the mode designation switch and the preset value setting switch provided on the refueling nozzle or the refueling hose. Since the settings can be made, it is possible to reduce the number of switches and signal lines in the refueling nozzle compared to the conventional method. Also,
Since the preset value instruction section and the refueling mode instruction section selectively instruct the preset value for fixed amount refueling or fixed amount refueling, space saving and simple display of the display section are possible.

An embodiment of this invention will be described below with reference to the drawings, taking a suspended oil supply device as an example.

FIG. 1 is a schematic diagram of the entire refueling system. In the figure, 10 is an underground tank, and 11 is a pipe. One end of the pipe 11 communicates with the underground tank 10, and the other end is located at a high point in the refueling station. A refueling nozzle 14 is installed at the tip via a delivery unit 13 provided at 12.
It communicates with a refueling hose 15 provided with. A pump 17 driven by a pump drive motor 16 and a flow meter 18 for measuring the amount of oil supplied are installed in the middle of the pipe 11. A flow pulse generator 19 is provided which proportionally emits flow pulses.

In addition, the refueling hose 15 near the refueling nozzle 14 is provided with the delivery unit 1 as described later.
3 to move the refueling nozzle 14 to either a standby position A where it does not interfere with vehicle entry/exit or a refueling position B suitable for refueling. Lifting switch 20 for raising and lowering, and oiling value setting switch 21a for simultaneously setting the preset fixed amount oiling amount and fixed amount oiling amount.
A mode designation switch 21b is provided for selecting and specifying a fixed amount refueling mode or a fixed amount refueling mode as the refueling mode.

On the other hand, 22 is a display installed in an easily visible place in the gas station, and the display 22 includes a fuel supply amount display 2.
2a, refueling amount display 22b, refueling unit price display 2
2c, and a preset amount display 22d that displays respective set values for fixed amount refueling and fixed amount refueling. This preset amount display 22d is
As shown in FIGS. 3a and 3b, it has a display section 22e that displays respective set values for fixed amount refueling and fixed amount refueling on a display panel. On the upper side of the display panel in this display section 22e, the set value 10 for fixed lubrication,
Numbers representing 20, 30, 40, and 50 are written in a horizontal line, and below them are the set values for fixed-price refueling.
Numbers representing 1000 yen, 2000 yen, 3000 yen, 4000 yen, and 5000 yen are written in a horizontal row. There are indicator lamps 22 in a total of 5 locations between these upper and lower numbers.
f are arranged respectively. These five indicating lamps 22f constitute a first indicating means for simultaneously indicating the upper and lower numbers by being selectively lit, and for example, as shown in FIGS. 3a and 3b, When the third one from the left is lit, the set value 30 and 3000 yen are specified at the same time. In this case, the total of five indicator lamps 22f correspond to the preset value indicator in the claims,
Each indicator lamp 22f corresponds to an indicator in the claims. In addition, there are upper and lower indicator lamps 2 to the left of the numbers in the upper row and to the left of the numbers in the lower row.
2g is placed. This upper and lower indicator lamp 22
g constitutes a second indicating means that selectively indicates the numbers in the upper row and the numbers in the lower row by being selectively lit; When the lower one lights up, the set value for fixed amount refueling is instructed, and as shown in FIG. Therefore, the state shown in FIG. 3A displays the set value of 30 for fixed amount refueling, and the state shown in FIG. 3B displays the set value of 3000 yen for fixed amount refueling.

Reference numeral 23 denotes a control device installed in a non-hazardous location within the gas station, such as an office, and has a circuit configuration as shown in FIG. In the figure, 24 is a microprocessor, 25 is an interface, and 26 is a microprocessor.
is program memory, 27 is data memory, 28
29 is a magnet switch drive circuit, 30 is a display drive circuit, and 31 is a hose lifting mechanism provided in the delivery unit 13.

Then, the microprocessor 24 first reads the operation signal for the lift switch 20 via the interface 25 as a lift control means, according to the control contents stored in the program memory 26.
Refueling nozzle 1 by driving and controlling the hose lifting mechanism 31
4, and in conjunction with the operation of the lift switch 20 and the drive and stop of the hose lift mechanism 31, the pump drive motor 16 is driven and stopped, and the refueling amount display 22a and the refueling amount display 2 of the display 22 are operated.
2b is reset to zero, etc., and secondly, as a measuring means, the flow pulses outputted from the flow rate pulse transmitter 19 via the interface 25 are counted to calculate the refueling amount Q and the refueling amount, and the calculated values are calculated. The display drive circuit 30 is driven through the interface 25 to display the information on the fuel amount display 22a and the fuel amount display 22b of the display 22, respectively.

Furthermore, thirdly, the microprocessor 24 performs three types of lubrication functions: normal lubrication, preset lubrication, and integer stop lubrication according to the control contents stored in the program memory 26.

Therefore, these three types of refueling operations will be explained below according to the flowcharts shown in FIGS. 4 to 9.

(1) For normal refueling First, starting with the refueling nozzle 14 in the standby position A, the lifting motor (not shown) in the delivery unit 13 is energized downward by operating the lifting switch 20 (step SP1). (Step SP2), it is detected that the refueling nozzle 14 has descended to the refueling position B (Step SP3), and the elevating motor is deenergized (Step SP4).

After the refueling nozzle 14 is lowered to the refueling position B in this way, the pump motor 16 is energized in step SP5, and the preset refueling flag FLG1 is reset to "0" in step SP6.
The FLG2 is reset to "0" and the preset amount I is initialized (I=0), and the display 22 is reset in step SP7. In this reset, the upper one of the two indicator lamps 22g shown in FIG. 3 is turned on to set the indicator 22 to the initial state of quantitative refueling display.

Next, at steps SP8, SP9 and SP10 of stage ST1 (see Fig. 5), it is confirmed that the refueling value setting switch 21a and the mode specifying switch 21b are not operated and that refueling has not started. When the start of refueling is detected in step SP10, normal refueling is performed in step SP12 after a determination is made in step SP11. At step SP10, the start of refueling is detected by the flow pulse from the flow pulse oscillator 19.

After normal refueling, the pump motor 16 is deenergized (step SP14) by operating the lift switch 20 (step SP13), and then the lift motor is energized upward (step SP15), and the refueling nozzle 1
4 has been raised to the standby position A (step SP16), and the elevating motor is deenergized (step SP17).

(2) In the case of preset lubrication There are two types of preset lubrication: fixed amount preset lubrication and fixed amount preset lubrication. Therefore, the individual refueling of both of them and the relationship between the two will be explained below.

(2)-a Quantitative preset lubrication By operating the lubrication value setting switch 21a, step SP of the stage ST1 (see Fig. 5) described above is entered.
8 to the flow shown in FIG. Then, first at step SP18, the preset register (I) is set.
Update the value of Its preset register (I)
Let A(I) be the preset amount corresponding to the value of
The corresponding set oil supply amount is shown in FIG. 10a.
In the figure, A(O) is the case where preset lubrication is not performed, that is, the case of normal lubrication as described above.
The amount of refueling that automatically stops at that time is the amount that will fill the tank. The oil supply amount corresponding to the preset amount A(I) is stored in the data memory 27 in advance. (I) of this preset amount A(I) is set at step SP18 according to the number of times the oil supply value setting switch 21a is operated.
The count will be counted up sequentially. And (I)
Since (I) is set from "0" to "5", step SP1 is executed until (I) reaches "6".
Move from step 9 to step SP20, and set the flag here.
Set FLG1 to "1". On the other hand, when (I) reaches "6", (I) is set to "0" at step SP21.
shall be.

Step 22, which continues from the former step SP20,
At steps 23 and 24, preset settings for quantitative lubrication are performed. In other words, when FLG2 is "0", step SP22 enters step SP23, where the oil supply amount P corresponding to A(I) is set, and then, in step SP24, the oil supply amount P is set according to the content of (I). Turn on the indicator lamp 22f. This indicator lamp 22
From the left side of Figure 3, f is (I) = 1, 2, 3, 4,
Correspond in the order of 5. Note that when FLG2 is "1", step SP25 is entered from step SP22. This step SP25 is a step for setting the oil supply amount P in the case of fixed amount preset oil supply, which will be described later.

On the other hand, step SP2 from step SP21
For 6, 27, 28, 29, set (I) to “0”
A preset setting is made to perform the above-mentioned normal lubrication. That is, when FLG2 is "0", step SP26 enters step SP27 to set A(O), and when FLG2 is "1", step SP26 enters step SP28 to set B(O). Let's do it. After setting A(O) and B(O), the previous step is executed in step SP29.
Similar to SP7, the display 22 is reset. In other words, the two indicator lamps 22 shown in FIG.
Turn off the upper part of g, and turn off all lamps 2.
Turn off 2F.

In this way, in the case of fixed amount preset lubrication,
The oil supply amount is set and displayed by setting FLG1 to ``1'' and FLG2 to ``0'', and then the flow moves from step SP11 to step SP33 in FIG. 4, where preset oil supply is carried out.

(2)-b For fixed amount preset lubrication In this case, set FLG1 to "1" and FLG2 to "1".
A fixed amount of preset oil supply is set and displayed. In the case of the above-described fixed amount preset lubrication, FLG2 is "0", so it is necessary to change the FLG.

Changes in FLG2 are made using the mode setting switch 21b. This FLG2 is “0” in the initial state.
(step SP6), and is set to the constant lubrication state, and each time the mode designation switch 21b is operated, the flow shown in FIG. 7 is entered from the previously mentioned step SP9, and the flow changes from "0" to "1" , also "1"
is changed from "0" to "0". In other words, when FLG2 is "1", the steps start from step SP31.
Enter SP32, set FLG2 to "0", then turn off the fixed amount setting lamp, that is, the lower indicator lamp 22g in FIG. 3 (step SP33), and turn off the fixed amount setting lamp, that is, the upper indicator lamp 2 in FIG.
Turn on 2g (step SP34). on the other hand,
When FLG2 is "0", enter step SP35 from step SP31, set FLG2 to "1",
Then, contrary to the previous case, the fixed amount setting lamp is turned off (step SP36) and the fixed amount setting lamp is turned on (step SP37). When the contents of FLG2 are changed in this way, step SP34,
37, the program enters step SP19 in FIG. 6 mentioned earlier.

In the case of this fixed amount refueling, step SP19 is entered with FLG2 being "1". Therefore, compared to the case of fixed amount lubrication described above, step SP2
2 to step SP25, and then step SP
The difference is that the process moves from step SP26 to step SP28. The step SP25 is the preset register (I).
A preset amount B(I) corresponding to the value of is set.
The set oil supply amount for B(I) is shown in FIG. 10b. In the figure, B(O) indicates the case where preset oiling is not performed.
In other words, in the case of the above-mentioned normal refueling, the amount at which the tank automatically stops is the amount at which the tank is full. The amount of oil to be supplied corresponding to the preset amount B(I) is stored in advance in the data memory 27. On the other hand, step
At SP28, B(O) is set as described above.

In this way, in the case of fixed price preset lubrication,
The oil supply amount is set and displayed by setting FLG1 to "1" and FLG2 to "1", and then the flow moves from step SP11 to step SP33 in FIG. 4, where preset oil supply is carried out.

(2)-c Relationship between fixed amount and fixed amount preset lubrication During refueling work, it is possible to change from fixed amount preset lubrication to fixed amount preset lubrication, and vice versa.

Discrimination between these two types of refueling is performed by the flag FLG2, and when it is "0", it is a fixed amount preset refueling, and when it is "1", it is a fixed amount preset refueling. These changes are made at any time by operating the mode designation switch 21b, as described above. Therefore, for example, if the mode designation switch 21b is operated once during preset lubrication of a fixed amount of 30 yen as shown in FIG. It turns out.

When there is such a change in the refueling mode, a preset amount setting process during refueling is performed at stage ST2 as shown in FIG.

In other words, when changing from fixed amount preset lubrication to fixed amount preset lubrication, the step
Step SP46 is entered from SP45, and vice versa, step SP47 is entered when there is a change.
In these steps SP46 and SP47, the refueling amount P currently in progress is compared with the preset amounts A(I) and B(I) of the current change settings, and if the former amount is smaller, steps SP48 and SP49 are performed. The indicator lamp 22 corresponding to the preset amount A(I), B(I)
If the latter amount is small, integer stop refueling, which will be described later, is performed at step SP50.

(3) In the case of integral stop lubrication This corresponds to step SP50 mentioned above.
It operates when the current refueling amount P is larger than the preset amounts A(I) and B(I) of the current change settings, and the refueling is performed when the current refueling amount is set to an integer value. automatically stop.

Next, the circuit within the control device 23 will be described as a block with reference to FIG.

The flow rate pulse from the flow rate pulse transmitter 19 is input to the refueling amount calculation circuit 32 and the refueling status determination circuit 33, and the refueling amount calculation circuit 32 presets the refueling amount data obtained by calculating the flow rate pulse to the refueling control circuit 3.
4 and is output to the integer oil supply control circuit 35. The refueling determining circuit 33 determines whether refueling is in progress or before the start of refueling based on the presence or absence of a flow rate pulse, and inputs the result to the preset setting control circuit 36. The preset setting control circuit 36 sets the preset amount according to the operation of the refueling value setting switch 21a and mode designation switch 21b before refueling starts, and outputs the preset data to the preset refueling control circuit 34. On the other hand, when refueling, the refueling value setting switch 21a
A change signal for the preset lubrication mode by the mode designation switch 21b is output to the integer lubrication control circuit 35. As a result, the preset feed control circuit 34 and the integer feed control circuit 35 control the pump motor drive control means 37 to perform the preset feed and integer stop feed described above. Note that 38 is a data table of preset amounts for fixed amount and fixed amount.

By the way, in this embodiment, by pressing the oil supply value setting switch 21a and the mode specifying switch 21b at hand, it is possible to set preset amounts of fixed amount and fixed amount, and to change from fixed amount preset lubrication to fixed amount preset lubrication. Since the reverse change is possible, it is extremely advantageous to be able to respond appropriately to changes in the refueling situation.

Further, in this embodiment, the initial state is a fixed amount preset refueling state in which the fixed amount setting lamp, that is, the indicator lamp 22g on the upper side in FIG. 3 is lit, but the initial state may be a fixed amount preset refueling state. . In addition, the fixed amount setting lamp is lit during normal refueling, but instead of that lamp, a separate display lamp for normal refueling may be lit, and the low amount setting lamp and fixed amount setting lamp may also be lit. Both may be turned off.

In this embodiment, the present invention has been explained using a suspended refueling system as an example, but it is also possible to provide a setting switch for preset refueling on the refueling nozzle or refueling hose, and display the preset amount on the refueling system itself installed on the ground. Needless to say, the present invention can be easily applied to a ground-mounted refueling system equipped with a refueling device.

As explained above, the refueling device according to this invention sets the quantitative value and fixed amount value for preset refueling by operating only two switches, the refueling value setting switch and the mode specifying switch provided in the refueling nozzle. Therefore, without significantly increasing the number of switches and signals in the refueling nozzle,
Preset lubrication can be performed with both fixed amount and fixed amount settings. Therefore, there is no deterioration in the operability of the refueling hose due to the large number of signal lines, and no operational errors due to the large number of switches. Moreover, since the preset value indicating part for preset lubrication, in which the quantitative value and the fixed price value are displayed side by side, and the lubrication mode indicating part, preset values for fixed quantity lubrication or fixed amount lubrication are selectively indicated, the display part is not occupied. It can be easily displayed in a small space.

[Brief explanation of the drawing]

The drawings show one embodiment of this invention; Figure 1 is a schematic diagram of the entire oil supply system, Figure 2 is a block diagram showing the configuration of the control system, and Figures 3a and b are preset amount displays in different display states. 4 to 8 are flowcharts for explaining the operation, FIG. 9 is a block circuit diagram of the control device, and FIGS. 10a and 10b are for explaining the preset amount. It is a diagram. 14...Refueling nozzle, 15...Refueling hose, 2
1a... Fuel supply value setting switch (preset value setting switch), 21b... Mode specification switch, 22
d...Preset amount indicator (display means), 22e
...display section, 22f...indication lamp (indicator, preset value instruction section), 22g...indication lamp (refueling mode instruction section).

Claims (1)

[Scope of Claim for Utility Model Registration] A refueling device having a fixed-rate refueling function and a fixed-rate refueling function, which includes a mode designation switch provided on a refueling nozzle or a refueling hose to select and specify the mode of fixed-rate refueling or fixed-rate refueling. , a preset provided in the refueling nozzle or the refueling hose for setting and operating a desired preset value for fixed amount refueling or fixed amount refueling from among a plurality of preset preset values for fixed amount refueling or fixed amount refueling; a value setting switch; a lubrication mode instruction section that instructs the type of lubrication mode, fixed-rate lubrication or fixed-rate lubrication, according to the operation of the mode designation switch; A plurality of display devices are arranged to correspond to the number of operations of the preset value setting switch, and the preset display device simultaneously indicates a preset value for fixed amount lubrication or a preset value for fixed amount lubrication corresponding to the number of operations of the preset value setting switch. a display means comprising a value indicating section; and one fixed amount lubrication or fixed amount lubrication from among a plurality of preset values for fixed amount lubrication or fixed amount lubrication based on the operation signals supplied from the mode designation switch and the preset value setting switch. a control device that sets the preset value and drives the display means to display the preset value, and the control device performs fixed amount refueling and fixed amount refueling each time the mode designation switch is operated. A refueling mode setting means for switching and setting the refueling mode; a counting means for counting up the number of operations of the preset value setting switch; and a plurality of refueling mode setting means for counting up the number of operations of the preset value setting switch; a preset value setting means for setting a preset value for one of fixed quantity lubrication or fixed amount lubrication from among the preset values for fixed quantity lubrication or fixed amount lubrication; and display control means for displaying and driving the refueling mode indicating section of the display means, and driving a preset value indicating section of the display means in accordance with the count result of the counting means. Refueling device.