JPS6216400A - Lubricating device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a refueling device for transferring liquid fuel such as kerosene, and particularly to a device suitable as a mobile refueling device that is placed on a vehicle loading platform and delivered.

Conventionally, in mobile refueling equipment in particular, vibrations during movement can cause loosening of pipe connections and malfunction of valves, pumps, etc., and the provision of long refueling hoses that can be moved to arbitrary locations. Since it is necessary to extend the refueling nozzle up to the maximum length, there is a risk that the hose may break or crack, causing liquid leakage. Therefore, with this type of equipment, it is necessary to periodically check it to prevent liquid leaks and other serious problems such as fires, but it takes a long time to thoroughly inspect each pipe. This would impose a burden on users and service personnel.

The present invention has been made to address these problems, and is configured so that simulation operation for diagnosis can be executed at will.
This has been improved so that the device can be checked quickly and easily.

Hereinafter, a specific example thereof will be explained based on the drawings.

1 is an automobile, 2 is an oil tank placed on the loading platform 3 of the automobile 1, and 4 is a main body of a refueling device installed in the oil tank. A measured amount of oil is supplied to the oil supply container 7 at the oil supply nozzle 6 via the oil supply nozzle 6.

The oil supply device main body 4 includes a pump 8 that pumps oil from the tank 2, a drive circuit 18 for the pump 8, a measuring device 9 that measures the amount of oil supplied, and a flow rate signal output at each constant flow rate based on the amount measured by the measuring device 9. A flow rate transmitter 10, a control valve 11 that faces the oil supply path and adjusts the oil supply flow rate by adjusting its valve opening degree, a valve driving means 12 that includes a motor and the like and drives the control valve 11, and an opening/closing member for the control valve 11. Valve opening/closing detection means 1 consisting of a microswitch etc. that is operated ON-OFF
3, and a control section 14 that sends and receives signals to and from each of the above sections and controls the refueling operation.

The control unit 14 includes an operation board 15 that performs operations such as turning the power ON/OFF, preset manual power, and monetary amount, etc., a display 16 that displays the refueling amount, preset amount, monetary amount, etc., and provides control operations in accordance with the program. A control board 17 is provided. This control board 17 consists of a microcomputer equipped with a CPtJ, a system controller, a clock generator 3-ROM, a RAM, and an input/output device.
It operates by a program registered in .

FIG. 3 is an enlarged view of the operation board 15 described above, including the power switch 20 and the operation switch 21 for starting and stopping refueling.
, a mode switch 22 for selecting and setting the refueling mode and the display mode on the V display 16, and a set key 23 for setting the preset amount, amount, etc. C・°・1
At the input switch 20, the power is turned on and the operation switch 2 is turned on.
1 is turned on, the pump 8 is driven, the control valve 11 is opened, and the oil supply standby state is entered. In this state, refueling is started by opening the nozzle valve of the refueling nozzle 6.
This is performed in the setting mode of the mode switch 22 at the time when 1 is turned on.

The mode switch 22 has the following settings: (a) Normal lubrication: lubrication mode that starts when the nozzle valve is opened in ``Refueling'' 6 and stops lubrication when the nozzle valve is opened; , a refueling mode in which refueling is automatically stopped by the control valve 11 according to the preset amount set in advance by the cent key 23; (c) integer value refueling is started by opening two nozzle valves, and then the nozzle valves are closed; The line is an integer value between 11 and less than 21 than the amount of oil supplied when the
A refueling mode in which refueling is automatically stopped by the control valve 11 when the nozzle valve is restarted; (d) Amount set refueling 2 Nozzle valve opening - Starts from 2, and the amount of refueling corresponds to the amount set in the set key 23. A refueling mode in which refueling is automatically stopped by the control valve 11 in accordance with
1) Display the product multiplied by
(g) Detection: A plurality of simulation run operations set according to respective conditions such as the open/close state and time of the control valve 11 are set in the mode and registered in the storage means of the control unit 14. 23 and display necessary data such as flow rate and time on the display 16. The setting work for the set key 23 is to select the corresponding key for each person from θ to
This is done by pressing 9 the required number of times.

The simulation operations executed in the inspection mode (G) set by the mode switch 22 include the following.

CKI: The control valve 11 is opened and the pump 8 is driven into a standby state, and the flow rate generated during a certain period of time T is displayed on the display 16.

CK2: The control valve 12 is closed, the pump 8 is driven, and the flow rate generated during a certain period of time T2 is displayed on the display 16.

CK3: The control valve 11 is opened and the pump 8 is driven into a standby state, and the flow rate is measured and displayed on the display 16 for a certain period of time T when the /X' valve is opened and the oil supply state is entered.

CK4: Open and close the control valve 11, and display the time required for opening and closing the valve on the display 16.

Therefore, various inspections can be performed based on the data given to the display 16 in each of the operations CKI to CKI4 below. That is,
If the flow rate determined by the CKI is larger than the base fermentation value, there is a suspicion that there is a leak in the pipe line including the 7th valve or the hose 5. If the flow rate given at CK2 is larger than the reference value, there is a suspicion that there is a liquid leak in the control valve 11 or in the pipeline connected to the control valve 11. If the flow rate given at CK3 falls below the reference value, there is a suspicion that the pump performance has decreased or that the valves and pipes are clogged with dirt.

When the time t given at CK4 exceeds the reference value,
There is a suspicion that the control valve 11 is malfunctioning.

FIG. 4 is a t70-chart showing a part of the program registered in the ROM in the control board 17, and mainly shows the program operation in the inspection mode.

Instruct the inspection mode with the mode switch 22, and press the corresponding key of the set key 23 with the inspection items CK1 to CK4.
By inputting the number 1 to 4 and pressing the operation switch 21, the inspection mode operation is started. When this operation switch 21 is pressed, the start of operation is detected (1)
When it recognizes that the inspection item input with the set key 23 is CKI (2), it outputs a drive command to the valve drive means 12 to open the control w1 valve 11 (3), and detects the opening and closing of the valve. When the valve opening is detected by the signal from the means 13 (4), the pump 8 is turned on and the timer is set for a certain period of time.
At the same time, the display on the display 16 is cleared to 0, and the flow rate is displayed (5).

When the internal timer detects the passage of T1 (6), it turns on the pump 8, closes the control valve 11, and outputs an alarm notifying the end of the operation (7). On the other hand, the inspection item is C
When recognizing that it is K2 (8), the control valve 11 is closed (9) via the valve driving means 12, and the valve rJf! When the valve closure is confirmed by the idle detection means 13 (10), the pump 8 is turned on, and a timer is set for a certain period of time T2.
Clear the display 16 to O to display the flow rate (11)
. After this, when the timer detects the passage of T2 (12), the pump 8 is activated and an alarm indicating the end of the operation is output. When we recognize that the check item ■ is CK3 (14),
While opening the control valve 11 and turning on the pump 8,
(15) Set the fixed time T4 as a timer cell. Check the opening of the control valve 11 and the progress of T4 (16) (1
7) Then, alarm output (19) notifies L inspection preparation OK. The timer one hour T4 set here is the time required for the pump 8 to be in steady operation. 7
When the start of refueling is detected by the flow rate signal from the flow rate transmitter 10, the flow rate signal from the flow rate transmitter 10 is set for a certain period of time T (20), and after T3 has elapsed (21), the measured flow rate is set in a certain unit (1/ minutes) and display (22) L,
At the same time as the pump 8 is turned off, an alarm indicating the end of the operation is output (23). When it is recognized that the inspection items are C and K 4 (24), the control valve 11 is opened (25), and its closing is confirmed (26), and then the control valve 11 is opened. At the same time, time counting is started based on the internal clock (27). When the valve opening/closing detection means 13 detects opening (28), the time count is stopped and
The time I counted. Display. After that, when there is a start input from the operation switch 21 (30), the control valve 1
1 to close the valve and start time counting (31)L,
When it detects that the valve is closed (32), it stops the time count, displays the counted time tc, and outputs an alarm indicating the end of the operation (33). If the inspection item specified by the set key 23 does not correspond to any of CKI to CKI4, an alarm is output (34) to request re-designation.

The present invention is configured as described above, and it is possible to perform a simulation operation of driving the pump under predetermined conditions as necessary, and to diagnose the presence of liquid leakage, etc., without disassembling the device itself. Even if you do not check each time, you can easily check whether there is an abnormality by running a simulation, and if you run simulations under various conditions, you can quickly find the cause of the abnormality. Additionally, inspections can be carried out more frequently, contributing to improved safety.

[Brief explanation of the drawing]

Fig. 1 is an external view showing an embodiment of the present invention Fig. 2 is an explanation of the configuration of the embodiment Fig. 3 is an enlarged view of the main part of the embodiment Fig. 4 is a flowchart diagram showing the main part of the program of the embodiment Permission application: Artificial Muke Seiko Co., Ltd., Figure 1, Figure 2, Figure 3

Claims (1)

[Claims] A fuel supply device characterized by being capable of diagnosing the presence or absence of liquid leakage by executing a simulation operation of driving a pump under predetermined conditions as necessary.