JP2008157420A - Vehicular fuel supply device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular fuel supply device for filling fuel into a fuel tank for a compressed natural gas automobile while allowing customers to easily recognize the degree of contribution to reducing the emission of carbon dioxide. <P>SOLUTION: A dispenser 11 in a gas station 3 counts the amount of compressed natural gas and fills it into the vehicle fuel tank. A station side computer 4 computes the reducing amount of the emission of carbon dioxide in accordance with the filling amount of the compressed natural gas, and a printer 18 outputs slips together with the filling amount and fuel supply information such as billing information. These information is transmitted to a center side computer 2. The center side computer 2 gathers the fuel supply information and the reducing amount of the emission of carbon dioxide by customers each month, and a printer 8 outputs bills. The customers check the reducing amount of the emission of carbon dioxide described on the slips or the bills and recognize degrees of self contribution to reducing the emission of carbon dioxide. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a vehicle fuel supply device that measures and fills fuel such as natural gas and hydrogen gas into a fuel tank of a vehicle that can contribute to reduction of carbon dioxide emissions such as a natural gas vehicle and a fuel cell vehicle. is there.

In recent years, in order to reduce carbon dioxide (CO ₂ ) emissions called global warming gas, natural gas vehicles and fuel cell vehicles that use fuel such as natural gas and hydrogen gas instead of vehicles that use petroleum fuel such as gasoline. At the same time, development of facilities such as fuel stations for supplying fuel to these vehicles is underway.

For example, in Patent Document 1, a vehicle information card recording vehicle information such as a registration number, a customer name, a vehicle number, and a fuel tank inspection record is distributed for each vehicle, and the registration number, customer name, vehicle number, and gas supply amount are distributed. When a center computer and a station computer having a database storing customer information such as billing information are installed in the gas supply company and each gas station, respectively, and the fuel tank of the vehicle is filled with compressed natural gas from the dispenser at the gas station The vehicle information read from the vehicle information card is collated with the customer information in the database, and the gas supply information such as the filling date / time, the filling gas amount, and the charging information is transmitted to the computer on the center side, thereby preventing erroneous fuel filling. In addition to preventing, fuel supply information such as gas filling amount and billing information can be managed and aggregated for each customer and each vehicle as appropriate. It describes a gas supply management system to.
JP 11-51294 A

  On the other hand, an international agreement (“Kyoto Protocol”) for reducing carbon dioxide emissions has been established, and the target for reducing carbon dioxide emissions in each country has been determined. And the spread of vehicles using non-petroleum fuels such as the above-mentioned natural gas vehicles is an important element for achieving the carbon dioxide emission reduction target, and in order to achieve this target, each company and The cooperation of each and every citizen is important.

  However, the “Kyoto Protocol” shows the target values that Japan should achieve and various guidelines for reducing carbon dioxide emissions from government agencies such as the Ministry of the Environment. On the other hand, there are many cases where it is not clear exactly how much contribution has been made at the company level, the establishment level, or the individual level, and it is difficult to obtain a sense of accomplishment or unachievement at the individual level. ing. In order to promote the reduction of carbon dioxide emissions, it is important to raise awareness of cooperation by specifically recognizing the degree of contribution at each level of companies, offices and individuals.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a vehicle fuel supply apparatus that can easily recognize the degree of contribution to carbon dioxide emission reduction.

In order to solve the above-mentioned problem, the invention according to claim 1 is for a vehicle that measures and fills a fuel tank of a vehicle with carbon dioxide emission-reducing fuel and outputs fuel supply information based on the measured filling amount. In the fuel supply device,
A carbon dioxide emission reduction amount is calculated based on the measured filling amount and output together with fuel supply information.
According to a second aspect of the present invention, there is provided a vehicular fuel supply apparatus according to the first aspect, further comprising storage means for storing the filling amount, the customer who has received the filling, and the date of the filling in association with each other. ,
The carbon dioxide emission reduction amount within a predetermined period for each customer is calculated based on the stored contents stored in the storage means, and output together with the fuel supply information.
In the description of claims, the term carbon dioxide emission-reducing fuel refers to compressed natural gas (CNG), liquefied natural gas (LNG), bioethanol, dimethyl ether (DME), hydrogen gas, etc. This means a fuel having a carbon dioxide emission reduction effect with respect to the petroleum fuel, and is used as a concept including hydrogen as a fuel for a fuel cell vehicle.

  According to the vehicle fuel supply device of the invention, since the carbon dioxide emission reduction amount is output together with the fuel supply information, the contribution degree to the carbon dioxide emission reduction can be easily and specifically recognized, and cooperation for environmental protection. Can raise awareness.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, a vehicle fuel supply device 1 according to the present embodiment is for filling compressed natural gas into a fuel tank of a compressed natural gas vehicle, and is a center installed in a gas supply company or the like. Side computer 2 and a station side computer 4 installed in each gas station 3, and the center side computer 2 and the plurality of station side computers 4 are connected to each other via a communication line 5 such as a public line or a dedicated line. It is connected.

  The center side computer 2 has a database 6 (storage means) that stores customer information such as a registration number, a customer name, a company name corresponding to the customer name, a vehicle number, a gas supply amount, a gas supply date and time, and billing information. ing. These pieces of customer information are appropriately updated by accumulating and storing transmission data (gas supply information (fuel supply information) including carbon dioxide reduction amount) from the station-side computer 4 of each gas station 3. Then, for example, the customer information is appropriately aggregated for each predetermined period, for each customer, for each vehicle, for each company, or for each customer, for each vehicle, for each company within the predetermined period, and output from the display 7 or the printer 8. Can do. The center side computer 2 is connected to the communication line 5 via a conversion device 9 such as a modem or a converter. As the center-side computer 2, a commercially available personal computer can be used by installing software for executing necessary processing such as a customer management database program.

  Each gas station 3 includes a station-side computer 4, a gas accumulator 10 for accumulating and storing compressed natural gas, a plurality of dispensers 11 connected to the gas accumulator 10, a controller 12 for the dispenser 11, and each vehicle. And a card reader 14 for reading vehicle information from the vehicle information card 13 distributed to the vehicle.

  The station-side computer 4 is connected to the communication line 5 via the conversion device 9 and is connected to a plurality of dispensers 11 and a card reader 14 via a local area network 15 or the like. The station-side computer 4 collates the database 16 for managing the customer information described above, a control program for controlling the plurality of dispensers 11, the vehicle information read by the card reader 14 and the customer information on the database 16. And a verification program. Examples of the vehicle information recorded on the vehicle information card 13 include a customer registration number, a customer name, a vehicle number, and an inspection record. The database 16 of the station side computer 4 is appropriately updated with the transmission data of customer information from the center side computer 2. As the station-side computer 4, a commercially available personal computer can be used by installing software for executing necessary processes such as a database program, a control program, and a collation program.

  The dispenser 11 connects the connection nozzle (not shown) of the gas filling hose to the connection receptacle (not shown) of the fuel tank of the natural gas vehicle, and operates the control device 12 to switch the control valve (not shown). The fuel tank is filled (supplied) with the compressed natural gas from the gas pressure accumulator 10 by opening. Then, the filling amount of the compressed natural gas is measured and transmitted to the station side computer 4. The filling amount (gas supply amount) of the natural compressed gas filled in the fuel tank is measured by a flow meter (not shown) in the dispenser 11, and the controller 12 determines the dispenser based on the filling amount, the filling pressure, and the like. 11 is completed to complete the filling.

  After the completion of filling, the station side computer 4 displays the gas filling date and time, gas supply amount, billing information, vehicle number, customer name and other gas supply information and a carbon dioxide emission reduction amount described later on the display 17, and carbon dioxide. The gas supply information including the emission reduction amount is output from the printer 18 as a slip. Then, the gas supply information is transmitted to the center side computer 2, and the center side computer 2 stores the gas supply information in an internal database.

  Next, the display and management function of the carbon dioxide emission reduction amount of the vehicle fuel supply device 1 will be described. The station-side computer 4 calculates a carbon dioxide emission reduction amount based on the amount of fuel charged into the vehicle by the dispenser 11, that is, the amount of fuel used by the vehicle, and outputs it together with the gas supply information. 2 to send. Here, the carbon dioxide emission reduction amount is, for example, a coefficient or a calculation table set in advance based on a comparison with the amount of carbon dioxide emitted when an oil fuel vehicle such as gasoline is used instead of a compressed natural gas vehicle. It can be obtained by calculating in advance from this coefficient or calculation table and the amount of compressed natural gas that is stored in an internal storage unit.

  Processing executed by the control device 12 of the dispenser 11, the station side computer 4, and the center side computer 2 will be described with reference to the flowcharts of FIGS. First, processing executed by the control device 12 of the dispenser 11 and the station side computer 4 will be described with reference to FIG. When the vehicle information is read from the vehicle information card 13 by the card reader in step S1, the station side computer 4 determines whether or not it is a regular customer from the vehicle information. Allow gas filling to 12. Next, when the process proceeds to step S2 and the gas filling start button provided on the dispenser 11 of the control device 12 is operated, the control device 12 is permitted on the condition that gas filling is permitted from the station side computer 4. In step S3, the switching control valve is opened to start filling the fuel tank, and in step S4, the filling amount (gas supply amount) is measured.

  Next, the control device 12 determines the filling status in steps S5, S6, and S7, and fills a predetermined amount (step S5), a predetermined pressure (step S6), or operates the filling stop button of the control device 12 (step By one of S7), it progresses to step S8, a switching control valve is closed, and filling is complete | finished.

  When the filling amount (gas supply amount) is transmitted from the control device 12 to the station side computer 4 after the completion of filling, the station side computer 4 calculates the carbon dioxide reduction amount based on the filling amount (gas supply amount) in step S9. In step S10, a slip in which the carbon dioxide reduction amount is printed together with the gas supply information is issued from the printer 18, and the gas supply information including the carbon dioxide reduction amount is transmitted to the center side computer 2 in step S11.

  If the vehicle information card is not read in step S1 and the totalizing button of the control device 12 is operated in step S12, the station side computer 4 transmits the total data of customer information to the center side computer 2 in step S13. The request is transmitted, the total data from the center side computer 2 is received in step 14, the total data received in step S 15 is displayed on the display 17, and is output by the printer 19.

  The center side computer 2 executes the process shown in FIG. 3 in response to a transmission request for aggregated data of customer information (step S13 in FIG. 2) by the station side computer 4. As shown in FIG. 3, when there is a request for transmission of aggregate data of customer information in step S1, each customer, every vehicle, and each company is based on the customer information stored in the database of the center side computer 2 in steps S2 to S4. In step S5, the total data is transmitted to the station side computer 4 that has requested transmission. If there is no request for transmission of customer data total data in step S1, gas supply information (gas filling date, gas supply amount, billing information, vehicle number, customer number) from the station side computer 4 of each gas station 3 in step S6. If the gas supply information (received data) is received, the received data is added to the database 6 as new customer information and stored in step S7.

  FIG. 4 shows an invoice 20 of fuel costs for one month for a customer as an example of total data. The bill 20 shows the fuel supply amount for each vehicle, the fuel unit price, the fuel cost, and the total of these, and in addition, the carbon dioxide emission reduction amount calculated based on the monthly fuel supply amount (see FIG. 4) (see double underlined portion in 4).

  In this way, by displaying the carbon dioxide emission reduction amount together with customer information on individual slips issued at the time of fuel filling at the gas station and monthly fuel bills issued for each customer, Each time the customer can specifically recognize the contribution to the reduction of carbon dioxide emissions, it is possible to raise the awareness of cooperation for environmental protection.

  In the above-described embodiment, the compressed natural gas supply device is described. However, the present invention is not limited to this, and the present invention is not limited to this, and can reduce carbon dioxide emissions such as liquefied natural gas, hydrogen gas, bioethanol, and DME (dimethyl ether). The present invention can be similarly applied to other carbon dioxide emission reduction fuel supply devices that can contribute.

  Further, in the above embodiment, the transmission timing of the gas supply information from the station side computer 4 to the center side computer 2 is performed every time gas filling to each vehicle is completed, but the transmission timing is not limited to this. For example, it may be executed periodically at predetermined timings such as the closing timing of a gas station (on time), every day, or at a predetermined time, or may be executed by an arbitrary transmission operation. .

It is explanatory drawing which shows the fuel supply apparatus for vehicles which concerns on one Embodiment of this invention. It is a flowchart which shows the process performed by the control apparatus of a dispenser, and a station side computer. It is a flowchart which shows the process performed by the center side computer with respect to the transmission request | requirement of total data. It is a figure which shows the bill of the fuel cost for one month with respect to a customer.

Explanation of symbols

1 vehicle fuel supply device, 6 database (storage means)

Claims (2)

In a vehicle fuel supply device that measures and fills a fuel tank of a vehicle with carbon dioxide emission-reducing fuel, and outputs fuel supply information based on the measured filling amount,
A vehicle fuel supply device that calculates a carbon dioxide emission reduction amount based on a measured filling amount and outputs the same together with fuel supply information. Storage means for storing the filling amount, the customer who has received the filling, and the date of the filling in association with each other;
2. The vehicle fuel supply device according to claim 1, wherein a carbon dioxide emission reduction amount within a predetermined period for each customer is calculated based on the storage content stored in the storage means and is output together with fuel supply information. .

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