JP3036615B2 - Tank lorry - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hatch provided with a detector for detecting an oil type identification piece attached to a loading arm of an oil depot and a liquid level gauge. The present invention relates to a tank lorry having a control device that outputs an operation signal to an alarm in response to the above signal.

[0002]

2. Description of the Related Art As is well known, a tank lorry has a plurality of hatches, and each hatch is usually loaded with a different type of oil. For this purpose, which hatch is to be loaded with which oil is controlled by a computer at an oil depot, for example, based on an oil distribution slip, a tank lorry driver is to deliver the oil to each refueling station. 6
See 1-20022).

In order to improve work efficiency, there is also known a technique in which a control device is mounted on a tank lorry and connected to a control device on the oil tank station side (Japanese Patent Laid-Open No. 1-226591).
Reference). In this way, the oil tank and tank truck
When used as a single system, operations such as issuing a slip can be omitted, which is effective. However, this known technique cannot be applied when the oil tank station side and the lorry side are independent systems, for example, when the two control devices cannot be connected due to incompatibility.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to accurately input the oil type and the oil amount to the on-vehicle control device even if the data of the control device at the oil depot cannot be input to the on-vehicle control device. To provide a tank lorry that can.

[0005]

According to the present invention, each hatch is provided with a detector and a liquid level gauge for detecting an oil type identification piece attached to a loading arm of an oil depot. And a tank lorry having a control device that receives a signal from the liquid level and outputs an operation signal to an alarm, wherein the control device includes a liquid level rise determination unit that receives a signal from a liquid level gauge and a liquid level rise determination unit. A load judging means for outputting an operation signal to the annunciator when there is no signal from the detector at the time of the signal input, and an oil type from the detector and an oil from the liquid level gauge based on the signals of both the liquid level gauge and the detector. Load data storage means for storing the amount for each hatch, the control device detects whether there is a signal from the detector when the liquid level rise determination means detects the rise of the liquid level, When there is no signal Determines that loading is performed without connecting the oil type identification piece to the detector, sends an activation signal to the alarm, connects the oil type identification piece to the detector, and refuels. Function.

[0006]

[Explanation of the operation and effect] The type of oil to be supplied from the loading arm in the oil tank is defined. Therefore,
An oil type identification piece is provided on the loading arm in advance, and connected to the tank lorry detector when refueling. The oil is supplied from the loading arm.If the oil type is different, the liquid level gauge detects the rise in the liquid level, but the detector that detects the oil type does not output a signal. And inform them of misfueling. If the oil type is correct, both the liquid level gauge and the detector output signals, so the oil type and oil amount are stored in the load data storage means for each hatch.

As described above, according to the present invention, simply by providing an oil type identification piece for identifying the oil type on the loading arm of the oil depot, processing can be performed by the control device on the tank lorry side, and the invention can be applied to all oil depots. Therefore, the work in the oil depot can be performed rationally.

The oil type and oil amount data stored in the control device of the tank lorry according to the present invention is, for example, as described in Japanese Unexamined Patent Publication No. 2-72093, in the case of oil blending at the time of unloading at a filling station. Can be used for prevention. Therefore, according to the present invention, it can be suitably used both when loading and unloading the tank truck.

Therefore, it is preferable that the storage of the cargo data storage means can be output to the outside via the connector.

[0010]

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

FIG. 1 shows a plan view of an oil tank station A for loading a tank lorry according to the present invention. An office O is provided at an entrance G, and various oils (for example, Known loading arms L1, L2, L3, L4 for supplying high-octane gasoline, regular gasoline, light oil, kerosene, etc.
Is used). Each of the loading arms L1 to L4 is provided with an oil type identification piece 1.

FIG. 2 shows a tank truck T embodying the present invention. In the illustrated example, the tank lorry T has three hatches H1, H2, and H3. At the top of each hatch, hatch openings O1, O2, O3, detectors S1, S2, S3, which will be described later, and a level gauge W1, W2 and W3 are provided. At the bottom of each hatch is a bottom valve V
1, V2 and V3 are provided, and their respective handles P
1, P2, P3 are provided at the top of the hatch, and each handle is provided with a bottom valve open detector A1, A2, A3, respectively. Each of the bottom valves V1 to V3 is connected to a common unloading pipe 10, and the unloading pipe 10 can be connected to an unloading hose (not shown) via the main valve 12. An oil type detector 11 is provided downstream of the main valve 12. The oil type detector 11 is, for example, a known technology for detecting the length of a wire in an unloading hose (for example, Japanese Patent Laid-Open No. 2-720).
No. 93) can be used.

A control unit 13 to be described later is provided in the cab C of the tank truck T, and an alarm K is provided on the ceiling.

FIG. 2 shows that the hatch H3 is being loaded. Therefore, the hatch opening O3 is open, and the drop pipe D provided at the tip of the loading arm L is inserted into the hatch H3. Have been. The oil type identification piece 1 provided on the loading arm L is connected to the detector S3 of the hatch H3.

FIG. 3 shows a block diagram of the control device 13,
As described above, the hatch H1 has the oil type detector S1 and the liquid level gauge W1, the hatch H2 has the oil type detector S2 and the liquid level gauge W2, and the hatch H3 has the oil type detector S3 and the liquid level gauge. W3 is provided. And detector S
1 is input to the cargo judging means 14a and the data sending means 15a, and the output signal from the liquid level gauge W1 is a liquid quantity for calculating the liquid quantity from the signals of the liquid level rise judging means 16a and the liquid level gauge W1. It is input to the calculating means 17a. If there is no signal from the oil type detector S1 and there is a signal from the liquid level rise determining unit 16a, the cargo judgment unit 14a
Is determined to be loaded without being connected to the oil type detector S1 and output to the alarm K. Data sending means 15
a, when the refueling is completed and the oil type identification piece 1 is removed from the oil type detector S1, the oil type signal from the oil type detector S1 and the liquid amount signal from the liquid amount calculating means 17a are stored in the cargo data storage means. 18
Output to Then, the cargo data storage means 18 stores the oil type and the liquid amount from the data sending means 15a for each hatch.

The load determining means, the data sending means, the rising determining means and the liquid amount calculating means are provided with hatches H2 and H3.
Are provided in the same manner as the hatch H1. The suffix b is shown for the hatch H2, and the suffix c is shown for the hatch H3.

FIG. 4 shows the storage contents of the cargo data storage means 18, in which the oil type and oil amount for each hatch are stored.

The load data storage means 18 is connected to the connector 1
The external monitor can be connected to an IC card reader / writer via the terminal 9.

In practicing the present invention, the control device 13 functions suitably also when unloading to a gas station. That is, in FIG. 3, the signals from the bottom valve open detectors A1, A2, A3 provided in each hatch
The unloading judging means 20 sends and receives a signal to and from the cargo data storage means 18. Also, a signal from an oil type detector 11 provided at the main valve 12 and detecting the oil type of the underground tank is input.

Therefore, when the type of oil is different, the unloading judging means 20 outputs a signal to the alarm K and closes the main valve 12.

Next, the operation of loading at the oil depot will be described with reference to FIG.

Assume that the hatch H3 is loaded as shown in FIG. The worker inserts the drop pipe D into the hatch H3, connects the oil type identification piece 1 to the detector S3, and starts the refueling operation. When the rise determining means 16c of the control device 13 detects a rise in the liquid level (step S1), the cargo determining means 14c detects whether or not there is a signal from the oil type detector S3. It is determined that loading is being performed without connecting the piece 1 to the oil type detector S3 (NO in step S2), and an operation signal is sent to the alarm K to notify (step S3).

Therefore, the operator knows that the operation is wrong, and inserts the oil type identification piece 1 of the loading arm L. Then, the notification signal stops. When the oil type identification piece is connected to the oil type detector and refueled (YES in step S2), the refueling operation, that is, the loading operation is continued, and the predetermined loading operation is completed (step S2). S
4) The worker pulls out the oil type identification piece 1. Then detector S3
The oil type and the oil amount from the liquid amount calculating unit 17c are output from the data sending unit 15c, and the oil type and the oil amount are stored in the cargo data storage unit 18 for each hatch (step S5), and the operation is completed. .

As described above, according to the present invention, the oil type and the oil amount for each hatch are stored by the control device on the tank lorry simply by providing the oil type identification piece on each loading arm of the oil tank station. The tank lorry of the present invention can be loaded at virtually any oil depot.

It is to be noted that the tank lorry of the present invention can be suitably operated even when unloading to a gas station.

[0026]

As described above, according to the present invention, the following excellent effects can be obtained. (A) The correct loading operation can be performed only by attaching the oil type identification piece to the loading arm of the oil depot. (B) There is no need to match the control device of the oil tank station with the control device of the tank lorry, and there is no need to specify the oil tank station where the tank lorry can be loaded. (C) When loading without attaching the oil type identification piece, the alarm is activated, so the operator can understand immediately.

Therefore, the tank truck can be used for general purpose.

[Brief description of the drawings]

FIG. 1 is a plan view of an oil tank to which the present invention is applied.

FIG. 2 is a side view for explaining a tank lorry embodying the present invention.

FIG. 3 is a block diagram illustrating a control device of the present invention.

FIG. 4 is a diagram showing an example of cargo data.

FIG. 5 is a flowchart illustrating the operation of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Oil type identification piece S1, S2, S3 ... Oil type detector W1, W2, W3 ... Level gauge 14a, 14b, 14c ... Cargo judgment means 18 ... Cargo data storage means K: alarm H1, H2, H3: hatch T: tank lorry 13: controller

Continuation of the front page (56) References JP-A-62-208397 (JP, A) JP-A-4-97100 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B67D 5 / 32

Claims (1)

(57) [Claims] 1. A detector and a liquid level gauge for detecting an oil type identification piece attached to a loading arm of an oil depot are provided on each hatch, and receive a signal from the detector and a liquid level to notify the hatch. In a tank lorry having a control device that outputs an operation signal to a detector, the control device is configured to receive a signal from a liquid level gauge, a liquid level rise determination unit, and a signal from a detector when a signal is input from the liquid level rise determination unit. A load determining means for outputting an operation signal to the alarm when there is no load data storage for storing an oil type from the detector and an oil amount from the level gauge for each hatch using both signals of the level gauge and the detector; The control device has a means for determining whether or not there is a signal from the detector when the liquid level rise determining means detects a rise in the liquid level. Do not connect to detector A tank lorry characterized by having a function to continue loading operation if it judges that loading is in progress and sends an operation signal to the alarm, and connects the oil type identification piece to the detector to refuel.