JP2003081399A - Unloading system by tank lorry - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an unloading system which is inexpensive and simple to operate and can prevent misoperation. SOLUTION: The unloading system for unloading a liquid from a tank lorry to a tank has a portable communication unit 4 with a function of transmitting/ receiving data regarding the unloading and a control section 5 for controlling the unloading to the tank based on the data transmitted/received by the unit 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unloading system for a driver of a tank truck (hereinafter referred to as "lorry") to unload liquid alone.

[0002]

2. Description of the Related Art As such an unloading system, a system as shown in FIG. 3 is conventionally known. In this system, data related to unloading such as liquid level, oil type, tank number, etc. from the digital oil level indicator indicating power supply unit 1 in the gas station is connected to this digital oil level indicator indicating power supply unit 1 via a communication cable. The oil level gauge communication unit 2 is wirelessly transmitted to the lorry vehicle. An antenna 3 for receiving tank information transmitted from the gas station is installed on the roof of the driver's seat of the lorry vehicle, and the data received by this antenna 3 is transmitted via the communication cable to the lorry vehicle. It is transmitted to the lorry vehicle communication unit 4 installed on the tank side, and is further transmitted to the computer 5 as a control unit via a communication cable.

The computer 5 is adapted to automatically control the opening and closing of a refueling valve (not shown) based on the received data, which enables the driver to unload the cargo independently. ing.

[0004]

However, this conventional unloading system has the following problems.

(1) It is necessary to mount the communication unit 4 for the truck and the antenna 3 on the outside of the truck, resulting in an installation cost.

(2) The antenna 3 is installed on the roof of the driver's seat of the lorry vehicle and the communication unit 4 for the lorry vehicle is installed on the tank side of the lorry vehicle. In the case of a trailer type lorry vehicle, the driver's seat side and the tank side are installed. Since it is sometimes disconnected, it is a very troublesome work such as making the communication cable a connector type and pulling out the cable each time. In addition, it is not actually installed because it is very expensive to install the communication unit 4 for trucks on the tank side of all trailers. It is necessary to select the tank side where No. 4 is installed, which is very troublesome in management. On the other hand, in order to install the communication unit 4 for a truck on all trucks, the cost at the time of introduction will be large.

(3) Since the communication unit 4 for a lorry vehicle is installed outside the lorry vehicle, it is always exposed to wind and rain, and its durability is very poor.

(4) The power supply of the communication unit 4 for the lorry vehicle must be supplied from the battery of the lorry vehicle,
Problems such as battery exhaustion of a lorry car occur.

(5) In order to check the radio wave sensitivity by transmitting and receiving between the lorry vehicle communication unit 4 and the oil level gauge communication unit 2, it is necessary to introduce a dedicated measuring device, but the operation is cumbersome and very expensive. Therefore, it has not been actually introduced, and at present, work is performed in a state where the radio waves are unstable, and malfunctions are likely to occur.

Therefore, an object of the present invention is to provide an unloading system which is inexpensive, easy to operate, and capable of preventing malfunction.

[0011]

In order to solve the above problems, an unloading system according to the present invention is necessary for transmitting and receiving data relating to unloading in an unloading system for unloading liquid from a tank truck to a tank. It has a portable communication unit having various functions and a control unit for controlling the unloading of the tank based on the data transmitted and received by the communication unit.

In the present invention, the communication unit may be mounted in a storage box installed at an unloading place at the time of unloading and supplied with power from the storage box. In this case, When mounted in the storage box, a lighting switch provided in the storage box may be automatically operated to turn on the lighting.

Further, in the present invention, the communication unit may have a display section showing whether or not the reception state of the data relating to unloading is good or bad.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the examples shown in the drawings.

FIG. 1 is a system configuration diagram of an unloading system in a gas station of the present invention. In the figure, the configuration of the gas station is the same as that of the conventional system, and is related to the unloading of the liquid level, oil type, tank number, etc. from the digital oil level indicator indicating power supply unit 1 of the tank in the gas station. The data is,
From the oil level gauge communication unit 2 connected to the digital oil level indicator indicating power supply section 1 by a communication cable, the data is wirelessly transmitted to the vehicle. The data transmitted from the gas station is passed through the antenna 3 and the communication unit 4 for the lorry vehicle,
It is transmitted to the computer 5 as a control unit installed in the truck. The computer 5 is configured to automatically control the opening / closing of a refueling valve (not shown) based on the received tank information, which enables the driver to unload the cargo independently. .

In the present invention, the antenna 3 is integral with or separate from the communication unit 4 for the vehicle for a truck, and the communication unit 4 for the vehicle is a portable and portable type. The lorry vehicle communication unit 4 having the antenna 3 is mounted in a storage box 6 installed at a gas station and is supplied with power from the storage box 5 at the time of unloading. At this time, the antenna 3 is installed on the roof of the storage box 6 or the like. On the other hand, during the movement without unloading, the communication unit 4 for the truck is stored together with the antenna 3 in the driver's seat of the truck.

In addition, the communication unit 4 for the lorry vehicle includes
A radio wave condition confirmation lamp 4a as a display section showing the quality of reception of the tank information from the liquid level gauge communication unit 2, a display window 4b for displaying the remaining amount of the underground tank, and the remaining amount of the underground tank showing a full state. The liquid level upper limit lamp 4c shown is provided.

2A and 2B show the mounting state of the communication unit for a truck on the storage box. FIG. 2A shows the state before mounting and FIG. 2B shows the state after mounting. As shown in the figure, in the storage box 6, the communication unit seat 6 for the truck is provided.
a is provided, and a lighting switch 6b of a gas station is provided on the communication unit seat 6a for the vehicle for a truck. In this configuration, the illumination switch 6b is turned off in a state before the lowry vehicle communication unit 4 is attached. When the communication unit 4 for the vehicle for a truck is attached, at the same time, as shown in FIG. 2B, the bottom surface of the communication unit 4 for the vehicle for a truck presses the illumination switch 6b to turn it on, and the illumination of the gas station is turned on. Light.

In the unloading system having the above-mentioned configuration, the data relating to unloading includes the liquid level from the liquid level gauge, the oil type, the tank number, etc., but the form of control based on these data is used. For example, when the data includes the liquid level, the computer 5 as the control unit
Based on the received information on the liquid level, control is performed so that refueling of the tank is continued when the signal does not indicate fullness, and refueling of the tank is stopped when the signal indicates fullness. Further, when the information on the oil type and the tank number is included, when the predetermined oil type or the tank number does not match, the control for stopping the fuel supply to the tank is performed.

In the above-described embodiments, the lorry vehicle communication unit 4 receives power from the storage box 6, but the lorry vehicle communication unit 4 itself may have a built-in battery, or the lorry vehicle. It may be connected to the battery installed in the vehicle, and can be simply attached to the side of the lorry vehicle for use only when unloading.

[0021]

The present invention has the following effects.

(1) Since the communication unit for the lorry vehicle is made portable so that the installation work on the lorry vehicle is unnecessary, the burden on the customer is greatly reduced.

(2) Since the communication unit for trucks has an antenna, installation work for the antenna is unnecessary,
The burden on customers has been greatly reduced.

(3) Since it is not necessary to fix the communication unit and the antenna for the lorry vehicle to the lorry vehicle, even when the lorry vehicle is mounted on the trailer type lorry vehicle, when the driver's seat side and the tank side are separated, the communication cable is connected / disconnected. There is no need for any troublesome work such as performing.

(4) When connecting the driver's seat side and the tank side, the tank side is not limited and can be connected to all of them, which makes management very easy.

(5) The communication unit for a lorry vehicle can be stored in an indoor space such as the driver's seat, is less affected by weather conditions, etc. as compared with the case where it is always installed outside the lorry vehicle, and its durability is greatly improved. Improved.

(6) It is not necessary to equip all lorry vehicles with a communication unit for lorry vehicles. Normally, the lorry vehicle communication unit is stored in oil tanks and offices of transport companies, etc. The unit can be reused, and the cost at the time of introduction has been greatly reduced.

(7) Since the power source of the storage box installed at the gas station is used as the power source of the communication unit for the lorry vehicle, there is no load on the battery of the lorry vehicle,
The problems such as battery rise were solved.

(8) Since the communication unit for the truck is set in the storage box installed at the gas station, the lighting at the gas station is automatically turned on, so that the unloading work at night can be performed safely and smoothly. It became possible to do it.

(9) The radio sensitivity in transmission / reception between the communication unit for a lorry vehicle and the communication unit for a liquid level gauge is always used in a good state, and malfunctions and the like are eliminated, so that safety is further improved.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of an unloading system of the present invention.

2A and 2B show a mounting state of a lorry vehicle communication unit in a storage box, wherein FIG. 2A shows a state before mounting and FIG. 2B shows a state after mounting.

FIG. 3 is a system configuration diagram of a conventional unloading system.

[Explanation of symbols]

1 Digital oil level indicator power supply 2 Communication unit for oil level gauge 3 antennas 4 Communication unit for lorry vehicles (communication unit) 4a Signal status confirmation lamp (display) 4b display window 4c Liquid level upper limit lamp 5 Computer (control unit) 6 storage boxes 6a Communication unit seat for lorry vehicles 6b lighting switch

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B67D 5/60 B67D 5/60 Z (72) Inventor Shinsuke Maeshiba 4-33, Hakataekimae, Hakata-ku, Fukuoka No. 32 F-term in Showa Machine Industry Co., Ltd. (reference) 3E083 AA02 AA13 AB08 AB20 AC19 AC28 AJ10 AK01 AK10

Claims (4)

[Claims] 1. In an unloading system for unloading liquid from a tank truck to a tank, a portable communication unit having a function necessary for transmitting and receiving data relating to unloading, and data transmitted and received by the communication unit. An unloading system having a control unit for controlling unloading based on a tank. 2. The unloading system according to claim 1, wherein the communication unit is mounted in a storage box installed at an unloading place at the time of unloading and is supplied with power from the storage box. 3. The communication unit automatically actuates a lighting switch provided in the storage box when mounted in a storage box installed at an unloading place,
The unloading system according to claim 2, wherein the lighting is turned on. 4. The communication unit has a display section showing whether or not the reception state of data relating to unloading is good or bad.
The unloading system according to 2 or 3.