Units control fuel dispensers and gas stations

Project background

Large heavy equipment fleets, industrial sites or remote construction areas require comprehensive fuel control systems. Usually, consumption accounting is not the only challenge, that integrators are faced with. Enterprises’ gas station control and fuel tanker monitoring are in this fuel chain too. It is important to create a complex combination because fuel journey map looks like this:

- Gas station dispenser fills the fuel tanker up;

- Fuel tanker delivers petrol to several different vehicles;

Each act of fuel pouring and dispensing should be controlled.

Challenges

• Automate fuel dispensing;
• Set up detailed vehicle and driver report creation;
• Set flexible daily and absolute fuel limits;
• Eliminate any fuel theft ways, prevent petrol drains and overconsumption.

Solution

The integrator-company specialists implemented comprehensive fuel delivery control at all stages. Galileosky units were installed as a control element on stationary gas dispensers. They were connected to RFID card readers, to a smart lock and a valve for starting and ending fuel pumping. As a result, an authorized employee, who has an active limit on the card can start refueling. In case of any violations or falsifications, fuel dispensing is blocked.

Next, a mobile tanker has two variations with different equipment. First variation is a liquid flow meter, a signal receiving device and a two-circuit valve for accurate filling were installed on the fuel output line. Such valves allow to fill fuel with a high accuracy. This simplifies verification and minimizes document inaccuracies. Thus, when refueling, the petrol flows through the reader, data is analyzed and recorded in the report.

An alternative is the volumetric solution. Instead of the previous counting device, engineers installed a volume meter and a pulse generator from a two-circuit valve. Volumetric data arise more reliable, more accurate and has a longer life period. Moreover, have a better calibration accuracy at low fuel flows and can let through more than seven million liters. For example, for 10 liters of fuel, the error is 20 grams.

In addition to flow meters and identification systems, an FLS was installed. Thus, comparing the readings of the two devices, it is possible to identify the theft of fuel from the tank. To set fuel dispensing limits specialists used Easy Logic technology and created the following algorithm:

1. Galileosky device receives card number from RFID reader
2. At the same time, the exact time is recorded to know the beginning and duration of the fuel pumping process
3. The available limit is checking
4. If the limit is not exhausted, then fuel dispensing is allowed
5. When the limit is reached, unit blocks the valve.

Even in the absence of GSM connection, the unit will continue to control process and, as soon as the  vehicle is back in the network coverage, the device will transfer the accumulated information to the server.