JPH1035797A - Rori's misload prevention device - Google Patents

Abstract

(57) [Summary] [Problem] Without requiring a large-scale explosion-proof structure,
To determine the type of fuel oil supplied by the loading arm. SOLUTION: A hatch 28 of oil tank chambers 25, 26, 27,
Identification piece reading means 37, 38, and 39 for outputting oil type data of the oil type identification piece 11 of the loading arm 1 as a radio signal are provided near 29 and 30.
A control device 48 is provided which receives the radio signals from 7, 38, and 39 and compares it with the hatch oil type registered in advance and outputs the comparison result as a radio signal. Is transmitted wirelessly to the control device 13 of the oil depot.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing erroneous loading of fuel oil in each oil tank chamber of a lorry to be loaded by a loading arm.

[0002]

2. Description of the Related Art A lorry tank for delivering fuel oil to a gas station or the like is divided into a plurality of oil tank chambers by partitions, so that fuel oil of different oil types can be mounted in each oil tank chamber. This is a vehicle that carries a specified amount of fuel oil determined for each loading arm at an oil depot and transports it to a target location.

[0003] For this reason, when refueling the lorries in the oil depot, the fuel oil of a different oil type from the desired oil type is supplied to the respective oil tank chambers of the lorry, and the occurrence of overflow is prevented. Therefore, for example,
As shown in JP-A-7-172493, an identification piece indicating the type of oil to be supplied by the loading arm is provided on the loading arm, and a level gauge is provided in each oil tank chamber and an identification type is read near the hatch. Piece reading means is provided, and the signals of the liquid level gauge and the identification piece reading means are output to the lorry connector. At the time of unloading, connect the plug of the cable connected to the control unit at the refueling station to the connector, and a signal indicating the consistency between the oil type of the unloaded underground tank and the oil type from the lorry and the amount of refueling , While controlling the unloading.

[0004]

However, since the cable is provided in the explosion-proof area, the lorry side and the control unit of the oil depot have an interface having an intrinsically safe explosion-proof function and an explosion-proof structure. However, there is a problem that a complicated cable connector is required and the structure is complicated. SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and an object of the present invention is to provide a lorry erroneous loading prevention device that can eliminate the need for a signal transmission cable.

[0005]

According to the present invention, there is provided an oil tank disposed near a hatch of an oil tank chamber and provided near a tip of a loading arm connected to an oil supply means. Identification piece reading means for outputting the oil type data of the identification piece as a radio signal; and a comparison result comparing the oil type to be loaded on the hatch, which is arranged in the driver's seat, receives the radio signal, and is registered in advance in the hatch. And a control unit for outputting a signal as a wireless signal.

[0006]

According to the present invention, since the determination result of the match or mismatch of the oil types is transmitted wirelessly, a cable for connecting the oil tank and the lorry is not required, and explosion-proof measures are simplified.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention. FIG. 1 shows a lorry to which an apparatus for preventing misloading of the present invention is applied, and an outline of an oil tank for refueling the lorry. In the drawing, reference numeral 1 denotes a loading arm and a flow meter 2, A riser pipe 5 which receives supply of a specific fuel oil from an oil feed pump 4 via a control valve 3
A dropper pipe 10 is rotatably attached to a tip end of the trolley via a joint 6 and is swingably attached by a joint 9 via extension pipes 7 and 8 so as to be inserted into a predetermined hatch of a lorry described later. ing.

In the figure, reference numeral 11 denotes an identification piece 11, and an identification piece 11 indicating the type of fuel oil supplied by the dropper pipe 10 is fixed to the loading arm 1 with a string 12 or the like.

Reference numeral 13 denotes a control device provided in the oil tank, which receives a radio signal from a control device 48 of the lorry 20 to be described later via the antenna 14 and starts refueling when the oil types match. Further, the pump 4 and the valve 3 are operated so as to end the refueling when the refueling amount reaches a predetermined amount, and further, if the oil types do not match, control is performed so that refueling is impossible.

Reference numeral 20 denotes a lorry characterized by the present invention, in which a tank body 22 mounted on a vehicle 21 is divided into a plurality of oil tank chambers 25, 26, 27 by partition plates 23, 24. Hatches 28, 29, 30, bottom valve 3
1, 32, 33 and liquid level gauges 34, 35, 36 are provided, respectively.

In the vicinity of each of the hatches 28, 29 and 30, identification piece reading means 37, 38 and 39 are provided so that the identification piece 11 attached to the loading arm 1 can be inserted.

These identification piece reading means 37, 38, 39
Is a switch 42 for detecting that the identification piece 11 inserted from the insertion slot 40 has reached a predetermined position as shown in FIG. 2, and oil type data for reading the oil type data recorded on the identification piece 11. A reading unit 43, a radio transmission unit 45 for transmitting oil type data and a pre-registered hatch number as a radio signal from a transmission antenna 44, and a battery 46 for supplying power to these units are provided in a sealed container 47. It is housed and configured as a waterproof structure.

Returning to FIG. 1, reference numeral 48 in the figure denotes a control device disposed in an area where no explosion-proof equipment is required, for example, a driver's seat, and a loading port 49 for loading an IC card described later on a panel surface. Is provided.

FIG. 3 shows an embodiment of the control device 48 described above. In the drawing, reference numeral 50 denotes a receiving means, which is an oil transmitted from the identification piece reading means 37, 38, 39 as a radio signal. Receiving the seed data and the hatch number and storing
Is to be stored. Reference numeral 52 denotes a cargo data reading means which reads the cargo data (FIG. 4) stored in the IC card and reads the first and second comparison means 53 and 54, which will be described later.
Is output to

The first comparing means 53 compares the hatch number and oil type data stored in the storage means 51 with the oil type read from the IC card by the cargo data reading means 52 based on the hatch number. The oil type matching signal is transmitted from the transmitting means 55 when the oil types match, and the signal is also transmitted when the identification piece 11 is pulled out from the identification piece reading means 37, 38, 39. I have.

The second comparing means 54 includes liquid level gauges 34, 35,
36, a liquid level signal from the liquid level gauge of the hatch number;
The loading amount read from the cargo data reading means 52 is compared based on the hatch number, and a supercharging signal is transmitted from the transmitting means 55 when the refueling amount becomes equal to or more than the loading amount.

Reference numeral 60 in the figure denotes a display operation unit provided outside the vehicle, which receives the oil type data of the cargo data from the control device 48 when unloading from the lorry 20 at a gas station, and reads the identification piece described above. The oil type signal from the oil type transmitter of the gas station having the same configuration as the means 37, 38, and 39 is compared with the cargo data, and when the oil types match, the bottom valves 31, 3
It is configured so that valves 2 and 33 can be opened. Reference numeral 61 in the figure indicates a transmitting / receiving antenna of the control device 48.

Next, the operation of the apparatus constructed as described above will be described with reference to FIG.
A description will be given based on the flowchart shown in FIG. In order to deliver fuel oil to the refueling station, submit the IC card attached to the lorry at the oil depot office, and as shown in Fig. 4, the type of oil to be transported and the loading amount, etc., corresponding to the hatch number Is written on the IC card.

This IC card is inserted into the insertion slot 4 of the controller 48.
9 and then a predetermined hatch, for example, hatch number 1
The loading arm 1 is inserted into the hatch 28, and the oil type identification piece 11 attached to the loading arm 1 is
8 is inserted into the identification piece reading means 37, the number of the hatch stored in the identification piece reading means 37, "1" in this embodiment, and the oil type identification piece 1
The antenna 4 is used as a radio signal with the oil type recorded in 1.
Send from 4.

This radio signal is received by the receiving means 5 of the control means 48.
The hatch number “1” received by “0” and transmitted as a wireless signal and the oil type are stored in the storage unit 51 (step a). The first comparing means 53 reads the oil type data of the hatch stored in the IC card based on the hatch number “1” stored in the storage means 51, in this embodiment, “high oct”, Compare with the stored oil type data of the loading arm 1 (step
B) If they match, an oil type matching signal is transmitted from the transmitting means 55 to the control device 13 of the oil depot (step c).
Upon receiving the oil type coincidence signal, the control device 13 starts refueling.

When the oil supply to the oil tank chamber 25 with the hatch number “1” is started in this way, the second comparing means 54 reads the liquid level data from the liquid level meter 34 provided in the oil tank chamber 25. The loading amount from the load data reading means 52, in this embodiment, "2KL" is sequentially compared (step d).

When the refueling progresses and the refueling amount is set, "2K
When reaching "L", the control device 13 of the oil tank station stops refueling. When the oil supply to one oil tank chamber 25 is completed and the oil type identification piece 11 is removed from the identification piece reading means 37 and the loading arm 1 is pulled out from the hatch 28, the oil type coincidence signal disappears. It detects that the type identification piece 11 has been removed (step) and outputs an oil type identification piece removal signal (step). The identification piece reading means 37 cuts off the supply of power from the battery 46 due to the detachment of the identification piece 11, thereby preventing the battery from being consumed.

On the other hand, the refueling proceeds without ending the refueling operation even if the set amount is reached due to a malfunction, and when the refueling amount of the oil tank chamber 25 becomes equal to or more than the loading amount "2KL" stored in the IC card (step d) ), The second comparing means 54
A supercharging signal is transmitted by the transmitting means 55 (step
E).

The control device 13 of the oil tank station stops the pump 4 when receiving the supercharging signal, or closes the valve 3 to prevent the fuel oil from overflowing from the oil tank chamber.

If the oil types do not match as a result of the oil type comparison (step b), the first comparing means 53 transmits an oil type mismatch signal from the transmission means 55 (step b).
J). The control device 13 of the oil depot receives this signal and makes refueling impossible. Hereinafter, such an operation is repeated while changing the loading arm for all hatches.

[0026]

As described above, according to the present invention, the oil type data of the oil type identification piece arranged near the hatch of the oil tank chamber and provided near the tip of the loading arm connected to the oil feeding means is obtained. Identification piece reading means for outputting as a radio signal; control means for receiving a radio signal, being arranged in a driver's seat, comparing the oil type to be loaded on a hatch registered in advance, and outputting a comparison result as a radio signal; , It is possible to wirelessly transmit the determination result of misloading prevention,
A cable for connecting the oil tank and the lorry is not required, so that not only can the explosion-proof structure be simplified, but also the work of connecting the cable can be made unnecessary.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an apparatus showing one embodiment of the present invention.

FIG. 2 is a diagram showing an embodiment of an identification piece reading device.

FIG. 3 is a block diagram showing one embodiment of the control device.

FIG. 4 is an IC for storing cargo data mounted on a lorry.
It is a figure which shows one Example of a card typically.

FIG. 5 is a flowchart showing an operation of the above device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 loading arm 11 oil type identification piece 13 oil tank control device 27-29 oil tank room 28-30 hatch 34-36 liquid level gauge 37-39 oil type identification piece reading means 48 control device

Claims (5)

[Claims] 1. An identification piece reading means arranged near a hatch of an oil tank chamber and outputting oil type data of an oil type identification piece provided near a tip of a loading arm connected to an oil feeding means as a radio signal, A control means disposed in a driver's seat, receiving the radio signal, and comparing the oil type to be loaded on the hatch registered in advance with the oil type, and outputting a comparison result as a radio signal; Stack prevention device. 2. The control means receives a signal from a liquid level detection means provided in the oil tank chamber, and outputs a signal as a radio signal when the refueling amount reaches a predetermined amount or more which is registered in advance. The apparatus for preventing erroneous loading of a lorry according to claim 1. 3. The lorry misloading prevention device according to claim 1, wherein data for specifying a hatch is stored in advance in the identification piece reading means, and the identification piece is output as a radio signal by inserting the identification piece. 4. The lorry according to claim 1, wherein said identification piece reading means comprises means for detecting that said identification piece has reached a predetermined position, and a battery housed in a sealed container. Misloading prevention device. 5. The lorry erroneous loading prevention device according to claim 1, wherein said control means comprises means for reading a storage medium storing the loading data.