KR100953833B1 - Oil supplying apparatus - Google Patents

Abstract

The present invention is to provide a refueling device that can cope with various abnormalities to ensure the safety of oil supply, and to prevent soil contamination initiated by oil leakage, and for this purpose, In the oil supply device consisting of a meter installed on the island as if covering the drip tray, a sensor for detecting an abnormality is installed in the meter or the drip tray, and is provided with a notifier that operates by receiving an abnormal detection signal of the sensor.

Lubrication device

Description

Oil supply device

The present invention relates to a fuel supply device for supplying fuel oil to an automobile.

In particular, the present invention relates to a refueling apparatus capable of preventing soil contamination by oil leakage while providing a sensor for detecting various abnormalities and ensuring the safety of oil supply by the movement of the sensor.

The oil supply device is provided so as to cover the hole formed in the island.

These holes are made of concrete, steel, resin or soil, which allow oil feed pipes to be laid in the holes, which are connected to the equipment of the oil feeder on Ireland.

The oil (leak) leaked from the oil supply device is configured to be collected in a hole.

However, since a conventional oil supply device recovers oil leaked into concrete holes, oil accumulated in the holes may penetrate into the ground and contaminate soil.

In addition, if the oil is accumulated in the hole, it is not noticed or leaked until a certain amount of oil is accumulated, and there is a risk of oil spilling out of the hole and causing soil pollution.

Here, the prior art which branches and connects the oil supply pipe arrange | positioned underground is also proposed (refer patent document 1).

However, even in the related art (Patent Document 1), the leaked oil is not notified until a certain amount of oil is accumulated in the hole, and there is a risk that the oil overflows from the hole.

[Patent Document 1] Japanese Patent Application Laid-Open No. 2001-74165

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to provide an oil supply apparatus that can prevent soil contamination caused by oil leakage while ensuring safety of oil supply.

The present invention relates to an oil supply device (1) comprising an oil sump (4) installed in a hole (3) formed in an island (2), and a meter (5) installed on an island (2) so as to cover the sump (4). Sensors 32, 33, 38, 40, 51, and 35 for abnormal detection sensors are provided in the meter 5 and the oil tray 4, and a notifier 28 which operates by receiving an abnormal detection signal from the sensor is provided. .

In the present invention, the drip tray 4 is formed in a double shell, and the inner space of the drip shell 4 in a double shell is connected to a blow 49 with a switching valve 48 interposed therebetween. In the case of the double shell of the oil sump 4, it is preferable to have an oil sump damage sensor 38 for detecting the pressure of the internal space (claim 2).

Again, the sump 4 has a fixing part (flange portion 4F) to be fixed to the island 2, and arranges the meter 5 as if it covers the sump 4, and the housing of the meter 5 ( 8) (e.g., by anchor bolts 55) is preferably configured to be fixed to the island 2 (claim 3).

According to the present invention, the sensors provided in the meter (5) are the impact sensor (53), the cover opening sensors (32, 33) and the blow sensor (51), the sensor provided in the drip tray (4) is a drip tray Preferably, the damage sensor 38 and the liquid oil sensor 40 are used.

According to this invention, it has the following outstanding effect.

1. Since safety is checked by various sensors, it is possible to prevent oil from scattering (scattering and scattering) in the soil around the oil supply device while ensuring the safety of oil supply.

2. A sensor for abnormality detection is provided in the meter and the drip tray, and a notifier that operates in response to the sensor's abnormality detection signal is provided, so that it is possible to cope with various abnormalities of the oil supply device. Prevention of scattering is surely performed.

3. If the oil supply system is stopped by receiving the abnormality detection signal of the sensor, the oil supply system is secured and it is possible to prevent the oil from spilling into the soil around the oil supply system.

4. By the shock sensor installed in the meter, it is possible to detect a large vibration such as an earthquake or a collision of a vehicle and to act on the meter, and to secure safe refueling and preventing oil leakage to the soil.

5. Since the cover opening sensors 32 and 33 can detect that the cover is suddenly opened during maintenance inspection, it is possible to prevent lubrication while the cover is open.

6. The breakage of the oil pan bulkhead is initially detected by forming a bulkhead of the oil pan into a double shell and applying a negative pressure to the inner space of the double bark to provide an oil pan breaking sensor that detects the related negative pressure. Thus, oil leaked in the sump can be prevented from leaking underground.

7. With the liquid oil sensor, it is possible to detect that oil has leaked from each device of the oil supply system and collected in the oil sump.

8. It is possible to detect the leakage of oil, etc. from each equipment of the oil supply unit by the liquid oil sensor at the beginning, so that it is possible to respond immediately when various liquids are leaked.

Therefore, at least the capacity of the drip tray does not overflow liquid such as oil from the drip tray.

9. Since the blower for vapor recovery can be used as a negative pressure in the inner space of the double shell of the oil sump, the cost increase can be suppressed without increasing the number of parts.

Embodiments of the present invention will be described below with reference to the accompanying drawings.

First, a first embodiment of the present invention will be described with reference to FIGS. 1 to 8.

1 is a front view of an oil supply device 1 according to an embodiment of the present invention.

In FIG. 1, the structure of the inside of the island 2 and the ground is shown by the cross section.

In FIG. 1, the oil supply apparatus 1 is comprised by the sump 4 and the meter 5 provided in the hole 3 of the island 2. As shown in FIG. The meter 5 is installed on the island 2 as if it covered the drip tray 4.

The oil metering system 6 and 7 of two oil types are integrated in the meter 5.

The mechanism of the oil supply system 6 and 7 is accommodated in the lower part of the housing 8 of the meter 5.

In the upper portion of the housing 8, a data input / output device 9 and a fuel supply amount / value indicator 10 are provided.

The piping of the oil supply system 6, 7 is arrange | positioned even to the top (top part) of the meter 5.

Oil supply hoses 11 and 12 are connected to the oil supply system 6 and 7 pipes, and oil supply nozzles 13 and 14 are provided at the ends of the oil supply hoses 11 and 12.

The oil supply nozzles 13 and 14 span the nozzle racks 15 and 16, and the nozzle racks 15 and 16 are provided with nozzle switches 17 and 18.

The oil supply pipes 19 and 20 of each of the oil supply systems 6 and 7 are submerged pumps 23 provided in the oil storage tanks 21 and 22 in the ground through the inside of the oil receiver 4. (24). These submersible pumps 23 and 24 are also connected to other oil supply apparatuses not shown through piping.

The oil return system 25 is shared by the oil supply system 6 and 7, and the vapor return tube 25 communicates with the upper part of the oil storage tank 22 through the inside of the oil receiver 4.

The oil supply system (6) (7) is equipped with an electric wire (26), which is connected to the inside of the island (2) without passing through the oil sump (in the form of bypassing the oil sump (4)). It is connected to a distribution panel in the roof of a building (not shown).

The data input / output device 9 includes a keyboard 27 for inputting oil supply amount, oil type (type of oil), etc., a notifier 28 for notifying abnormality in each sensor, which will be described later, and an indicator 29. It is.

In addition, an abnormality may be displayed on the oil supply amount / money amount indicator 10 without using the indicator 24.

The lower cover 30 and the upper cover 31 of the housing 8 are configured to be openable and close, the cover opening sensor 32 which detects that the lower cover 30 is opened, and that the upper cover 31 is opened. The cover opening sensor 33 which detects is provided.

As shown in FIG. 2, a hole 3 is formed in the island 2, and a drip tray 4 is attached to the hole 3.

The oil supply pipes 19 and 20 and the vapor recovery pipe 25 penetrate the holes formed in the drip tray 4. Each of the oil supply pipes 19 and 20 and the vapor recovery pipe 25 is sealed (sealed) with a leakproof cover 34 at a proper position passing through the partition wall of the oil sump 4.

Dispensing valves 35 and 36 are attached to the oil supply pipes 19 and 20, and scattering prevention covers 37 are provided around the distribution valves 35 and 36.

By providing the shatterproof cover 37 around the distribution valves 35 and 36, for example, an automobile collides with the meter 5 and the distribution valves 35 and 36 are cut off. Even if it is possible to prevent the scattering of oil to a minimum.

Drip tray 4 is formed of a closed double shell. That is, the partition of the oil sump 4 is comprised by the double shell. And an oil drip break sensor 38 is provided in order to detect the pressure of the space formed between the double shells of the drip tray 4. The operation of the drip tray break sensor 38 will be described later with reference to FIG. 8.

A recess 39 is formed at the bottom of the sump 4, and the bottom of the sump 4 is inclined to descend toward the recess 39.

The groove 39 has a liquid oil sensor 40. The liquid oil sensor 40 is configured in the form of detecting that water and oil are accumulated.

As described above, the partition wall of the oil sump 4 is formed of a double shell, and an oil drop damage sensor 38 for detecting the pressure of the space in the double shell is provided.

And by the operation similarly demonstrated with reference to FIG. 8, it is possible to detect the damage in the partition of the oil sump 4 directly.

As a result, oil leaks from the drip tray 4 to prevent soil contamination.

Here, as described later with reference to FIG. 8, since a negative pressure is applied to the inner space of the double shell of the oil pan and the negative pressure is detected by the oil pan breaking sensor 38, a constant pressure is applied to the inner space of the double wall of the pan. In comparison with the case of acting, the oil-spray damage can be detected reliably.

In addition, since the bottom of the sump 4 is inclined toward the recess 39, and the recess 39 is equipped with a liquid oil sensor 40, when oil leaks from the oil supply device and falls into the sump 4, The leaked oil accumulates in the groove 39 and is immediately detected by the liquid oil sensor 40.

As a result, oil leakage from the oil supply device is detected early, and soil contamination due to leakage of oil is prevented.

When the liquid oil sensor 40 detects the accumulation of liquid in the recess 39, the leaked liquid (leaked oil or water) is immediately recovered from the bottom surface of the sump 4.

Therefore, even if the capacity of the drip tray 4 is small, the small drip tray 4 is not filled with the leaked liquid, but it is detected that the liquid leaked in the drip tray 4 accumulates, and the leaked liquid is collect | recovered. That is, the oil sump 4 according to the illustrated embodiment does not need to increase its capacity unlike the conventional oil sump.

The holding valves 41 and 42 of each of the lubrication systems 6 and 7 provided in the lower part of the housing 8 of the meter 5 are distributed through the piping 43 and 44 to the distribution valves 35 and 36. Is connected to.

The holding valves 41 and 42 are connected to the oil supply hoses 11 and 12 (see FIG. 1) with the flowmeters 45 and 46 interposed therebetween.

The vapor recovery pipe 47 communicating with the oil supply nozzles 13 and 14 is connected to the suction side of the blower 49 with the switching valve 48 interposed therebetween. The discharge port side of the blower 49 is connected to the vapor recovery pipe 25 in the drip tray 4.

Moreover, the switching valve 48 is connected to the space formed between the partitions which consisted of the double shell of the oil sump 4 via the negative pressure pipe 50. As shown in FIG.

Moreover, it is preferable that all the holding valves 41 and 42 are comprised by connecting a manual switching valve and an electromagnetic switching valve in series.

The vapor recovery pipe 47 is provided with a recovery sensor 51 and detects whether or not flammable vapors (oil tankers) are recovered normally.

The distribution board 52 is connected with each electric apparatus in the meter 5, and the electric wire 26 of the distribution board 52 is wired so that it may pass through the island 2 other than the drip tray 4. As shown in FIG.

The housing 8 of the meter 5 is equipped with an impact sensor 53.

For example, the impact sensor 53 detects that a severe vibration is applied to the meter 5 when a vehicle collides with an earthquake or the like.

The guide plate 54 is provided in the lower part of the oil supply apparatus arrange | positioned in the flowmeters 45 and 46 and the housing 8.

The guide plate 54 guides the leaked oil to fall into the drip tray 4 when the oil leaks from the flow meters 45 and 46, thereby preventing the oil from falling out or spilling out of the drip tray 4. give.

In the case of the embodiment shown in the installation of the guide plate 54, the oil sump 4 is capable of recovering oil leaking reliably and effectively without increasing the size as in the conventional oil sump.

The following describes the installation of the oil supply unit.

As shown in FIG. 3, the oil supply pipes 19 and 20 and the vapor recovery pipe 25 are disposed in the hole 3 formed in the island 2. And the wire 26 is wired to the island 2.

4 and 5, the base 66 for attaching the oil sump distribution valve to the hole 3 is fixed to the island 2 by the anchor bolt 55. As shown in FIG. Next, the flange portion 4F (fixed part) of the oil sump 4 is fixed to the attachment base 66 by the attachment bolt 67.

Next, the leak prevention cover 34 seals around the oil supply pipes 19 and 20 and the vapor recovery pipe 25 which penetrate the partition walls of the oil sump 4.

Dispensing valves 35 and 36 are attached to the oil supply pipes 19 and 20 to cover the periphery of the distribution valves 35 and 36 with the scattering prevention cover 37.

Next, the plate member 56 is firmly fixed to the island 2 by the anchor bolt 55. The distribution valves 35 and 36 are fixed to the plate member 56 through a bracket.

As shown in FIG. 2, the meter 5 is disposed on the island 2 so as to cover the drip tray 4, and the housing 8 of the meter 5 is anchored to the island 2 with an anchor bolt 55 (FIG. 2). The holding valves 41 and 42 and the distribution valves 35 and 36 of the meter 5 are then connected by pipes 43 and 44 and the oil drip sensor 38 is connected to the drip tray 4. In addition, the space in the double shell constituting the partition wall of the oil sump 4 and the switching valve 48 are connected by the negative pressure pipe 50, and the electric wire 26 is connected to the distribution board 52.

Next, the control of the oil supply device 1 described with reference to FIGS. 1 to 5 will be described.

As shown in FIG. 6, each device 53, 32, 33, 38, 40, 17 in the oil supply device 1 is shown.

The signals of (18) (45), (46) and (51) are input to the oil supply control device (57).

In addition, a signal is output from the oil supply control device 57 to each of the devices 23, 24, 41, 42, 49, 48, 9 and 10.

Next, control of the oil supply apparatus 1 is demonstrated based on FIG. 7, FIG.

Here, the oil supply control device 57 may be connected to a POS installed in an office or the like not shown. Of course, even when the POS is not installed, the oil supply control device 57 may be installed in an office or the like.

7 is a flowchart for notifying abnormality and stopping the oil supply of the oil supply apparatus 1. The oil supply control device 57 checks the signals from the impact sensor 53, the cover open sensors 32 and 33, and the liquid oil sensor 40 at all times (ST1, ST2, ST3 in Fig. 7).

When the abnormal signal is input, that is, when the shock sensor 53 detects vibration caused by an earthquake or a collision of a vehicle (ST1 is YES), the cover 30 or 33 is opened for maintenance. When the sensor 32 or 33 detects (ST2 is YES), or when the liquid oil sensor 40 detects that water or oil is accumulated in the drip tray 4 (ST3 is YES), the notifier 28 and The indicator 29 is operated to close the holding valves 41 and 42 to stop the oil supply function (ST4).

In such an abnormal state (for example, when any of ST1 to ST3 is YES), the notifier 28 and the indicator 29 are operated to notify the staff of the gas station or the oil supply worker of the abnormality, and the oil supply apparatus 1 Since it stops, the safety of oil supply is ensured and oil is scattered from the oil supply device 1, and soil contamination is prevented.

In addition, the operation of the oil supply device 1 (not shown) connected to the submersible pumps 23 and 24 is only performed to stop the operation of the oil supply device 1 by blocking the holding valves 41 and 42. As a result, the work of the entire oil station is not adversely affected.

8 shows the oil supply process by this oil supply apparatus 1 by a flowchart.

When the oil supply nozzle 13 is removed from the nozzle hanger 15, the ON signal is input to the oil supply control device 57 at the nozzle switch 17 (ST11 is YES). And the indication of the oil supply amount of the first time displayed on the oil supply amount.

Next, it is judged whether or not the other oil supply nozzle 14 is in use (ST13).

If the other oil supply nozzle 14 is not in use (ST13 is YES), the switching valve 48 is turned to the negative pressure pipe 50 to drive the blower 49 (ST14).

If the other oil supply nozzle 14 is in use (step ST13 is NO), the process proceeds to step ST17 without executing steps ST15 and ST16 (checking the partition wall of the oil receiver 4) described later.

When the blower 49 is driven in step ST14, if the partition wall of the oil sump 4 is not damaged or the like, since the negative pressure acts on the internal space of the double shell of the oil sump 4 by the blower 49, Within a certain time (t1 of ST15), the oil drip damage sensor 38 detects a negative pressure above a certain level.

In step ST15, after the negative pressure acts on the inner space of the double shell of the oil sump 4 by the blower 49, it is judged whether or not a predetermined time has elapsed, and after a certain time (ST15 is YES), the oil receiving damage sensor 38 detects the pressure of the inner space of the double shell.

When the oil receiving damage sensor 38 detects a negative pressure above a certain level (ST16 is YES), it is determined that there is no abnormality in the partition wall of the oil collecting body 4, and the switching valve 48 is changed to the vapor recovery pipe 47 side and the holding valve The 41 is opened to drive the submersible pump 23 (ST17).

If the oil receiving damage sensor 38 does not detect a certain negative pressure (ST16 is NO), it is determined that an abnormality has occurred in the partition wall of the oil collecting container 4, the blower 49 is stopped, and the notifier 28 and the indicator are stopped. Activate (29) to notify and stop the oil supply function (ST25).

Thus, since the damage of the partition of the drip tray 4 is checked every time oil supply, the partition of the drip tray 4 is damaged, and it can be discovered early that there is a possibility that soil contamination by oil may occur.

Therefore, it is possible to secure the safety of oil supply and to take the contaminated soil at an early time.

Here, the blower 49 not only serves to recover the vapor, but also serves to check the damage of the partition wall of the oil sump 4.

Therefore, there is no need to provide a negative pressure generation source separately, and the increase in cost can be suppressed.

In addition, since oil supply is possible by opening the holding valve 41 after confirming that there is no abnormality, safety of oil supply is assured, and prevention of soil contamination by oil is assured.

When the oil supply nozzle 13 is inserted into the oil supply port of the vehicle to start oil supply, the fuel oil (for example, high octane gasoline) in the oil storage tank 21 is pumped by the submersible pump 23 and the distribution valve 35 The oil is discharged from the oil supply nozzle 13 to the oil supply port of the vehicle via the holding valve 41, the flow meter 45, and the oil supply hose 11.

The vapor discharged from the oil supply port accompanying the oil supply is recovered to the oil storage tank 22 with the vapor recovery pipe 47, the blower 49, and the vapor recovery pipe 25 interposed therebetween.

At that time, it is checked by the recovery sensor 51 whether the vapor is recovered normally.

When the flow rate signal is inputted from the flowmeter 45 (ST18 is YES), the oil supply control device 57 counts the oil supply amount. The amount indicator 10 is displayed (ST19).

During refueling, it is determined whether or not an abnormal signal is input from the recovery sensor 51 (if an abnormality has occurred) (ST20), and if no abnormal signal is input from the recovery sensor 51 (T20 is YES), the oil supply continues. .

When an abnormal signal is input from the recovery sensor 51 (ST20 is NO), the blower 49 is stopped, the notifier 28 and the indicator 29 are operated to be notified, and the holding valve 41 is closed (closed). ), The oil supply function is stopped (ST26).

For this reason, the safety of lubrication workers is secured.

When lubrication is completed and the lubrication nozzle 13 is attached to the nozzle hanger 15, when the OFF signal is input from the nozzle switch 17 (ST21 is NO), the holding valve 41 is closed (ST22).

Then, it is judged whether or not oil is supplied from the other oil supply nozzle (ST23).

If oil is being supplied from the other oil supply nozzle (ST23 is YES), the blower 49 and the submersible pump 23 are stopped (ST24).

1 to 8 are examples of the oil supply apparatus using the submersible pumps 23 and 24, but the present invention can also be applied to the oil supply apparatus provided with the pump in the housing 8. As shown in FIG.

Fig. 9 shows a second embodiment of the present invention. In the oil supply apparatus according to the second embodiment, a pump is installed in the housing.

In FIG. 9, the oil supply apparatus which concerns on 2nd Example is shown with the code | symbol 61 by the whole.

The oil supply device 61 is provided with pumps 62 and 63 in the housing 8 and connects the oil supply pipes 19 and 20 and the pumps 62 and 63 to the pipes 64 and 65. . The discharge sides of the pumps 62 and 63 are connected to the flowmeters 45 and 46.

In the case of the second embodiment of FIG. 9, the control in other configuration, effect and oil supply time thereof is the same as in the first embodiment described above with reference to FIGS. 1 to 8.

The illustrated embodiment is illustrative only and adds that the description is not intended to limit the technical scope of the present invention.

1 is a front view showing, in cross section, a portion of an oil supply apparatus according to the first embodiment;

2 is a cross-sectional view of a part of the oil supply apparatus according to the first embodiment.

3 is a cross-sectional view of an island

4 is a cross-sectional view of a state where an oil sump is attached to a hole of an island

5 is a plan view of the oil state attached to the hole of the island

6 is a block diagram showing a controller of the oil supply apparatus according to the first embodiment.

7 is a flowchart showing control for determining an abnormality of the oil supply apparatus.

8 is a flowchart showing control at the time of oil supply

9 is a partial cross-sectional view of the oil supply apparatus according to the second embodiment.

※ Explanation of code for main part of drawing

     1: Lubricator 2: Ireland

     3: hole 4: oil pan

     5: Meter 6, 7: Oil supply system

     8 housing 9 data input and output device

    10: oil supply amount amount indicator 11, 12: oil supply hose

    13, 14: oil supply nozzle 15, 16: nozzle hanger

    17, 18: nozzle switch 19, 20: oil supply pipe

    21, 22: oil storage tank 23, 24: submersible pump

    25: vapor recovery pipe 26: electric wire

    27: Keyboard 28: Notifier

    29: indicator 30, 31: cover

    32, 33: cover open sensor 34: leakproof cover

    35, 36: distribution valve 37: emergency protection cover

    38: oil drip sensor 39: groove

    40: liquid oil sensor 41, 42: holding valve

    43, 44: piping 45, 46: flow meter

    47: vapor return pipe 48: switching valve

    49: blower 50: negative pressure pipe

    51: recovery sensor 52: distribution panel

    53: shock sensor 54: information board

    56: plate member 57: oil supply control device

    61: oil supply device 62, 63: pump

    64, 65: Piping

Claims (3)

In the oil lubrication device composed of the sump (4) installed in the hole formed in the island (2) and the meter (5) installed on the island (2) so as to cover the sump (4), the bottom surface of the sump (4) There is provided a groove portion 39 for collecting the oil leaked in the drip tray (4), and the liquid oil sensor 40 for detecting the oil is installed in the groove portion 39, the liquid oil sensor ( Oil supply device characterized in that it comprises a notifier (28) to activate an alarm when the 40 detects that the groove portion (39) is accumulated. The method of claim 1, The drip tray 4 is formed of a double shell, and the inner space of the drip shell of the drip tray is connected to the blower 49 through a switching valve 48, and the double of the drip tray 4 is provided. Oil supply device characterized in that it is provided with an oil receiving damage sensor (38) which detects the pressure of the inner space when the blower (49) draws air in the inner space of the shell to the outside to form a negative pressure. . The method according to claim 1 or 2, The drip tray 4 has a fixing part for fixing to the island 2, and arranges the meter 5 so as to cover the drip tray 4, and the housing 8 of the meter 5 is islanded. Oil supply device, characterized in that the configuration is fixed to (2).

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