JPH0659918B2 - Refueling device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention comprises a connector for connecting a ground wire between a lorry and an oil tank, that is, a depot control device, and also for connecting an information transmission line. Refueling device.

[Prior Art] As is well known, when various kinds of oil are supplied to a lory at an oil tank station or when the oil is supplied from the lory to an underground tank at the gas station, sparks due to static electricity may ignite gasoline, so It cannot refuel unless it is grounded. For this reason, the ground connector is grounded between the control device of the depot and the control device of the depot, and when it is detected that the control device is grounded, refueling is possible. On the other hand, a lorry equipped with a control device having a transmission circuit, a refueling data memory, a refueling control memory, etc. is used, and when refueling a lorry equipped with such a control device, a refueling operation is performed. A separate connector must be connected between the Lori control unit and the depot control unit.

By the way, as is clear from the above description, it is not possible to refuel unless the ground connection is made, so you will not forget the ground connection, but you can refuel even if the control device is not connected, so there is a risk of forgetting the connection. Yes, if the fuel is supplied without connecting the two control devices, the fuel may be erroneously supplied. Moreover, in the conventional device, between the control device of the depot and the loli,
In addition to grounding with a connector for grounding, it is necessary to wire a signal wire with another connector, which is a troublesome operation for wire connection.

As another conventional technique, there is JP-A-59-199498.
In the gazette, a multi-core cable is connected to the collation device for a lorry vehicle, and a socket connected to the collation device for a stand and a ground provided in a gas station,
A configuration for connecting a multi-core cable is described. However, in this conventional technique, since the specific configuration regarding the connector is not shown, the connection between the Lori control device and the depot control device is not forgotten, and the ground connection can be performed by one connection operation. It is not possible to immediately recall a refueling device that can.

[Problems to be solved] The present invention has been proposed in view of the above-mentioned problems of the conventional technology, and does not forget to wire the control device of the Lori and the control device of the depot, and it is possible to perform the connection operation once. It is an object of the present invention to provide an oil supply device that can also be grounded.

[Means for Solving the Problems] In the oil supply device of the present invention, a signal transmission means between the control device (50) provided in the depot and the control device (40) provided in the lorry (5) is connected to the ground connector (20). The ground connector (20) is integrally assembled, and includes a connecting portion (21) formed of a disk-shaped ground plate and a connected portion (22) formed of a cup-shaped combined body. (21) is a mounting piece (2
The first signal transmission means (3) is electrically and tightly fixed to a proper position of the body of the lorry (5) via the 3), and is connected to the control device (40) of the lorry at the central portion of the connecting portion (21). Two
7) is attached, a plurality of protrusions (30) for positioning and grounding are concentrically provided on the front surface of the connecting portion (21), and the connected portion (22) forming a pair with the connecting portion (21) is ,
A second signal transmission means (33) which is paired with the first signal transmission means (27) and which is connected to a control device (50) provided in the depot is provided at a substantially central position thereof, A ground wire (35) extends from the control device (50) provided in the depot, and the ground wire (35) is connected to the connected portion (2).
By the spring (36) provided in 2), the ground contact (3
7) electrically connected to the earth contact (37)
Is provided radially outward of the second signal transmitting means (33), and the plurality of magnets (31) for connecting the connecting portion (21) and the connected portion (22) also include the second signal transmitting means (33). ), The ground contact (37).
Are arranged so as to be coupled with the grounding protrusions (30).

In practicing the present invention, each lory hatch is preferably provided with a high precision oil level gauge and these oil level gauges are preferably coupled to the depot controller via the controller of the lory.

[Operation] According to the oil supply device of the present invention having the above configuration,
When the ground connection and the signal transmission means are connected, if the earth contact (37) of the connected part (22) is operated so as to be connected to the protrusion (30), the connected part (22) is connected by the magnet (31). 21) It is connected and held. Therefore, the lorry body (24) is mounted on the rack via the mounting piece (23) through the grounding protrusion (30), the ground contact (37), the spring (36) and the ground wire (35). ) Is connected to ground. At the same time, the first and second signal transmission means (2) are also provided between the control device (40) of the truck and the control device (50) of the rack.
7, 33) and contactlessly connected.

Further, in the present invention, since the signal transmitting means is integrally incorporated in the ground connector, the ground connector is operated to ground the lory and the depot control device to the ground, and at the same time, the lory control device and the depot control device are connected. Signal transmission means therebetween are also coupled. Therefore, the connection of the signal transmission means is not forgotten. Further, since a plurality of connections, that is, the ground connection and the signal transmission means can be connected by one connecting operation of the connector, the connecting operation can be simplified.

Further, in the present invention, each hatch of the Lori is provided with a high-precision oil level gauge, and if these oil level gauges are connected to the depot control device via the Lori control device, the flow meter can be checked. It can be performed by the liquid level gauge. Further, since it is possible to detect that the oil remains in the hatch, it is possible to prevent an accident such as an overflow at the time of constant quantity fueling. Furthermore, since the remaining amount in the hatch is accurately known, it is possible to measure and sell from Lori. In addition to transmitting the data such as the type of oil loaded on the equipment of the lorry and the property, the information of the lorry (vehicle number, driver, etc.) can be transmitted to the control device side.

[Embodiment] An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows a location where a lorry is refueled by using the refueling device embodying the present invention. The entire depot has the code 1
A rack shown by is formed, a plurality of refueling devices 2a to 2c are provided in the rack, and a control device 50 for controlling these refueling devices 2 is provided in the rack 1. The control device incorporates a hatch number identifying means, an oil type identifying means, and the like, and has display portions 3a to 3c above the rack 1. The refueling device 2a supplies high octane gasoline, the refueling device 2b supplies regular gasoline, and the refueling device 2c supplies light oil, respectively.

The lorry 5 has a tank 7, and the tank 7 is divided into a plurality of hatches 8a to 8d. And each hatch 8a
8d is provided with a highly accurate liquid level sensor 41, and a signal from this liquid level sensor 41 is input to the control device 40 mounted on the lorry. Each hatch 8a-8b is also provided with an oil type sensor 42 so that it can determine whether or not the type of oil to be supplied is correct. The control device 40 of the lorry 5 includes a transmission / reception circuit,
Ram with built-in memory etc. and having both read and write functions with vehicle number stored in ROM
The shipping data is stored in M). The controller 40 of Lori has a keyboard 43, a display device 44, a printer 45, etc., as is well known.

A hatch sensor 60 is provided on each loading arm 6 of the fuel supply device 2. This hatch sensor 6
0 is for detecting the number of the hatch in which the loading arm 6 is inserted and determining whether or not the hatch can be refueled from the loading arm. Therefore, the control device 50 has a hatch number identification means, a storage means, a determination means, an output means, etc. built therein to determine whether or not the oil type is correct, and if the oil type is incorrect, a notification output thereof is output. , An alarm is issued, and if it is correct, a refueling permission signal is issued.

As described above, the filling device 50 provided in the rack 1 has a storage unit that stores refueling data, a determination unit that determines whether the oil type is correct, and the like.
It is equipped with a transceiver circuit. The start switch SW is provided on the loading arm 6, and these switch signals are input to the control device 50. In addition to these signals, the signal of the flow meter 12 is also input to the control device 50, and the output thereof controls the valve 13 provided in the oil supply pipe in addition to the above-described oil type determination signal and displays the corresponding display. The refueling amount and the like are displayed on the total 3a to 3c.

A control device 9 is provided in the office O remote from the rack 1, and the control device 50 of the rack is connected to the control device 9 via a line L. The control device in the office O includes an input button 14 for inputting shipping data, a printer 16 for printing a shipping electronic bill, a daily report, a monthly report, etc., and a display 1.
It has 5 mag.

2 and 3 show one embodiment of the ground connector, and FIG. 4 shows another embodiment of the ground connector. An embodiment of a ground connector will be described with reference to these drawings.

The earth connector 20 shown in FIG. 2 and FIG. 3 is one in which a wireless point type signal line connector is integrally incorporated, and has a coupling portion 21 formed of a disc-shaped earth plate and a cup-shaped combined body. It is composed of a connected portion 22 composed of. In the connecting portion 21, a mounting piece 23 is electrically and closely fixed to a suitable position of the body 24 of the lorry via the mounting piece 23. A first signal transmitting means (for example, a coupling coil) 27 is attached to the central portion of the connecting portion 21, and the first signal transmitting means 27 is connected to a control device 40 of the Lori via a line 28. On the front surface of the connecting portion 21, a plurality of grounding projections 30 also serving as positioning are concentrically provided. As described above, the first signal transmitting means 27 is substantially flush with the surface of the ground plate 21.

The connected portion 22 formed of a cup-shaped combined body is connected to the connecting portion 21.
A second signal transmitting means 33 (for example, a coupling coil) which forms a pair with the first signal transmitting means 27 is provided at a substantially central position of the second signal transmitting means 33.
Is the control device 5 provided on the rack by the line 34.
It is linked to 0. Further, the control device 50 provided on the rack
(Two wires in the illustrated example) extend from the ground wire 35, and these ground wires 35 are electrically coupled to a ground contact 37 by a spring 36 provided in the connected portion 22.
The ground contact 37 is provided radially outward of the second signal transmission means 33. Similarly, a plurality of connecting means, that is, magnets 31 are also provided. Then, these ground contacts 37 are adapted to be coupled to the grounding projections 30, 30. Therefore, when the ground contacts 37, 37 of the connected portion 22 are operated so as to be connected to the protrusions 30, 30, the connected portion 22 is connected and held to the connecting portion 21 by the magnets 31, 31. Therefore, the body 24 of the lorry is grounded by being connected to the control device 50 provided in the rack from the mounting piece 23 via the grounding projection 30, the grounding contact 37 spring 36 and the grounding wire 35.
At the same time, the first and second signal transmitting means 27 are also provided between the control device 40 of the truck and the control device 50 of the rack.
Contactlessly connected via 33.

FIG. 4 shows another embodiment of the connector. This connector is one in which a contact type signal line connector is integrally incorporated, and the plugs 54 and sockets 53 of the first and second signal transmitting means 51 and 52 are in direct contact with each other at the time of connection. The other components are substantially the same as those shown in FIGS. 1 and 2, and therefore the same reference numerals are given and omitted.

Next, the operation will be described mainly with reference to FIG.

A read-only memory is provided in the ROM of the controller 40 of the Lori, and the vehicle number is stored therein. Also each hatch 8a
The liquid level sensor 41 and the oil type sensor 42 provided at 8d are connected. Further, the amount of oil to be loaded and the type of oil for each vehicle number are stored in advance in the control device 50 provided in the rack. The driver of the lorry 5 receives the shipping slip from the office 0 and horizontally attaches the lorry to the rack 1. Then, the connected portion 22 is connected to the connecting portion 21, and the ground connector 20 is connected. Then, the lorry 5 is grounded, and the first and second signal transmission means 27, 33 are simultaneously connected.
Therefore, the vehicle number stored in the control device 40 of the lorry 5 is read at the same time as being grounded, and the shipping data of the vehicle number is transmitted from the rack control device 50 to the lorry filling device 40.

Next, based on the shipping slip, the loading arm 6 is inserted into the hatch of the truck 5 and the hatch sensor 60 is connected. Then, the control device 50 determines whether or not the oil type is correct, and when it is not correct, an alarm is issued, and when it is correct, the refueling permission means issues a permission signal.

Therefore, when the amount of refueling is set and the start switch SW is pressed, refueling is started. The control during refueling is performed by the control device 50 of the rack, and when the preset amount is reached, the control device 50 outputs a signal for closing the valve 13, and the valve 13 is closed. When the hatch becomes full before reaching the preset amount, the control device 40 of Lori outputs a full signal in response to a signal from the liquid level sensor 41 provided in the hatch.
In response to this signal, the rack controller 50 closes the valve 13.

Further, if the oil type detected by the oil type sensor 42 is different from the oil type on the shipping slip, refueling is stopped.

When the refueling work is completed as described above, the hatched sensor 60 is disconnected from the detector and the detector, and the ground connector 20 is also disconnected. Thus, the delivery slip based on the shipping data previously stored by the control device in the office is received and the vehicle is departed.

[Advantages of the Invention] As described above, according to the present invention, the signal transmission means is integrally incorporated in the ground connector that grounds the lorry and the depot control device. When grounded, the signal transmission means is also connected at the same time. Therefore, the connection operation of the signal transmission means is not separately required, and the connection is never forgotten. Further, even when the connection is released, there is no troublesomeness as in the conventional case, and when the earth coupling is released, the coupling of the signal transmission means is also released. Therefore, there is an advantage that the refueling operation at the oil tank place is simple and reliable.

[Brief description of drawings]

The drawings show an embodiment of the present invention, FIG. 1 is a perspective view showing an example of a depot implementing the present invention, FIG. 2 is a sectional view showing one embodiment of a ground connector, and FIG. 3 is in FIG. View II
-II is a side view, FIG. 4 is a sectional view similar to FIG. 2 showing another example of the ground connector, and FIG. 5 is a block diagram showing a control circuit. 20 ... Ground connector, 27,33,51,52 ...
Signal transmission means, 40 ... Lorry filling device, 50 ... Depot control device

Claims (1)

[Claims] Claim: What is claimed is: 1. A signal transmitting means between a control device (50) provided in a depot and a control device (40) provided in a lorry (5) is integrally incorporated in an earth connector (20), and the earth connector (20). ) Includes a connecting portion (21) formed of a disk-shaped ground plate and a connected portion (22) formed of a cup-shaped combined body, and the connecting portion (21) is a mounting piece (23).
First signal transmission means (27) electrically connected and fixed to a proper position of the body of the lorry (5) via the trolley, and connected to the trolley control device (40) at the center of the connecting portion (21). And a plurality of projections (30) for positioning and grounding are concentrically provided on the front surface of the connecting portion (21).
The connected portion (22) which makes a pair with the connecting portion (21) is connected to the control device (50) which is paired with the first signal transmitting means (27) at a substantially central position and which is provided in the depot. A second signal transmission means (33) is provided, which is connected to the ground wire (35) from the control device (50) provided in the depot.
And the ground wire (35) is electrically coupled to the ground contact (37) by the spring (36) provided in the connected portion (22), and the ground contact (37) is connected to the second signal transmission means (33). ), And a plurality of magnets (31) for connecting the connecting portion (21) and the connected portion (22) are also provided radially outward of the second signal transmitting means (33). The oil supply device is characterized in that the ground contact (37) is arranged so as to be coupled with the grounding protrusion (30).