JP4432156B2 - Environmental contribution presentation device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an environmental page contribution presentation device that quantitatively presents an effect brought to environmental conservation by use of an electric vehicle.
[0002]
[Prior art]
The exhaust gas problem of automobiles has been highlighted, and electric vehicles have been studied and put into practical use as cleaner means of travel. In an electric vehicle, electricity, which is an energy source, is generated at a power plant or the like, so that the utilization rate of energy is higher and the burden on the environment is less than that of an internal combustion engine vehicle. Therefore, by using an electric vehicle, it is possible to reduce the exhaust gas from the engine vehicle and to preserve the environment.
[0003]
[Problems to be solved by the invention]
However, despite the fact that conventional electric vehicles contribute to environmental conservation as described above, there is no means to show how much exhaust gas has been reduced by running electric vehicles. There is a problem that the user cannot quantitatively know the effect brought about in the maintenance.
In view of the above-described conventional problems, an object of the present invention is to provide an environmental contribution degree presentation device that presents, by visual or audio information, an exhaust gas amount that can be reduced by using an electric vehicle.
[0004]
[Means for Solving the Problems]
For this reason, the invention according to claim 1 is a travel distance detection means for detecting a travel distance of an electric vehicle, and the amount of exhaust gas generated when an electric power company generates the amount of power consumed by the electric vehicle per unit distance travel. As reference data, first and second reference data storage means for storing the amount of exhaust gas when a predetermined internal combustion engine vehicle travels as second reference data, the detected travel distance of the electric vehicle, and the first The exhaust gas reduction amount calculating means for calculating the exhaust gas reduction amount based on the reference data and the second reference data and the presenting means for presenting the exhaust gas reduction amount as visual or audio information are provided.
[0005]
The invention according to claim 2 uses, as third reference data, power consumption amount detecting means for detecting the power consumption amount consumed by the electric vehicle, and the amount of exhaust gas generated by the power company with respect to the unit power consumption amount. Third and fourth reference data storage means for storing, as fourth reference data, the amount of exhaust gas when energy corresponding to the unit power consumption is generated by a predetermined internal combustion engine, and the detected power consumption of the electric vehicle And an exhaust gas reduction amount calculating means for calculating an exhaust gas reduction amount based on the third reference data and the fourth reference data, and a presenting means for presenting the exhaust gas reduction amount as visual or audio information did.
[0006]
According to a third aspect of the present invention, a power generation system is added to an electric vehicle, and the power consumption detection means detects the amount of power generated by the power generation system to be added, and subtracts the corresponding amount of power. It was assumed to be detected as the amount of power consumed by the electric vehicle.
The travel distance or power consumption may be one trip travel.
[0007]
The invention according to claim 5 is characterized in that the charging power amount detecting means for detecting the charging power amount charged in the electric vehicle and the exhaust gas amount discharged by the electric power company when generating the unit power amount are set as the fifth reference data. Fifth and sixth reference data storage means for storing, as sixth reference data, the fifth reference data in the time zone, and an exhaust gas amount when energy corresponding to a unit electric energy is generated by a predetermined internal combustion engine; The exhaust gas reduction amount calculating means for calculating the exhaust gas reduction amount based on the sixth reference data and the detected charging power amount using the fifth reference data in the corresponding time zone from the time information when And presenting means for presenting the exhaust gas reduction amount as visual or audio information.
[0008]
According to a sixth aspect of the invention, the fifth and sixth reference data storage means store the fifth reference data for each electric power company, and the exhaust gas reduction amount calculating means has electric power supply area information of each electric power company. The electric power company that supplies electric power is determined from the vehicle position when charging is performed, and the exhaust gas reduction amount is calculated using the fifth reference data of the determined electric power company.
[0009]
The invention according to claim 7 includes first reference data creation means, wherein the first reference data creation means includes a charge power amount detection unit for detecting the charge power amount charged in the electric vehicle, and the electric vehicle. The remaining capacity detection unit for detecting the remaining battery capacity, the amount of exhaust gas when the power company generates power as the unit power amount is set as fifth reference data, and the fifth reference data and the seventh reference data in each time zone A first reference data information storage unit that stores the amount of electric power necessary for the electric vehicle to travel a unit distance, fifth reference data in a time zone corresponding to a time for charging the electric vehicle, and charging in the time zone An exhaust gas calculating means for calculating an exhaust gas amount based on the amount of electric power, a total amount of the exhaust gas amount calculated in each time zone, a total amount of charged power charged in each time zone, the remaining battery capacity, In the seventh reference data And it shall include the first reference data modifying means for modifying the first reference data Zui.
[0010]
The invention according to claim 8 includes third reference data creation means, wherein the third reference data creation means includes a charge power amount detection unit for detecting the charge power amount charged in the electric vehicle, and the electric vehicle. A remaining capacity detecting unit for detecting a remaining battery capacity, and a fifth reference data information storage for storing the fifth reference data of each electric power company with the exhaust gas amount when the electric power company generates a unit electric energy as the fifth reference data And the amount of exhaust gas for calculating the amount of exhaust gas based on the fifth reference data and the amount of charging power of the determined power company from the position of the vehicle and the vehicle position when charging is performed Calculation means and third reference data correction means for correcting the third reference data based on the exhaust gas amount, the remaining battery capacity and the charged power amount are included.
[0011]
According to a ninth aspect of the present invention, the exhaust gas reduction amount calculating means calculates an eco point based on the calculated exhaust gas reduction amount, and the presenting means displays predetermined information as visual information corresponding to the eco point. A pattern was selected and presented.
The display pattern can be displayed with a picture representing the growth of the tree.
In addition, a picture representing the state of the tree can also be displayed as a display pattern.
[0012]
【effect】
According to the first aspect of the present invention, the traveling distance of the electric vehicle is detected, and a predetermined internal combustion engine vehicle travels the same traveling distance as the amount of exhaust gas generated when the electric power company generates the amount of power consumed while traveling. The amount of exhaust gas reduction is calculated by comparing with the amount of exhaust gas in the case. Since the exhaust gas reduction amount is presented as visual information or audio information, it is possible to quantitatively know the effects brought about in environmental conservation by using the electric vehicle.
[0013]
According to the second aspect of the present invention, the amount of power consumed while the electric vehicle is running is detected, and the amount of exhaust gas generated by the electric power company and the energy corresponding to the amount of power consumed are generated by a predetermined internal combustion engine. The amount of exhaust gas reduction is calculated by comparing with the amount of exhaust gas in the case of making it. Since the exhaust gas reduction amount is presented as visual information or audio information, it is possible to quantitatively know the effects brought about in environmental conservation by using the electric vehicle as in the first embodiment.
[0014]
In the third aspect of the invention, in the case of an electric vehicle to which a power generation system is added, the amount of power generated by the power generation system is subtracted from the amount of power consumed by the electric vehicle. As a result, it is prevented that the calculation of the exhaust gas reduction amount is erroneously entered.
[0015]
According to the fifth aspect of the present invention, the amount of charge electric power for charging the electric vehicle is detected, and the amount of exhaust gas of the electric power company corresponding to the amount of charge electric power and the discharge when the predetermined internal combustion engine generates energy corresponding to the amount of charge electric power The amount of exhaust gas reduction is calculated by comparing with the amount of gas. Since the exhaust gas reduction amount is presented as visual information or audio information, it is possible to quantitatively know the effects brought about in environmental conservation by using the electric vehicle as in the first or second embodiment.
Moreover, since the calculation of the exhaust gas amount of the electric power company uses the emission amount information for each time zone corresponding to the charging time, the emission reduction amount can be accurately calculated regardless of the charging time.
[0016]
In the invention according to claim 7, the exhaust gas information discharged by the electric power company is stored for each time zone, and the charging power charged in that time zone using the exhaust gas information of the time zone corresponding to the charging time at the time of charging. The amount of exhaust gas is calculated. The first reference data is corrected on the basis of the total amount of exhaust gas calculated in each time zone, the total amount of charged power, the remaining battery capacity, and the amount of power required for traveling a unit distance. As described above, since the exhaust gas state at the time of charging is reflected in the first reference data, the exhaust gas amount can be accurately calculated based on the travel distance of the electric vehicle. Accordingly, when compared with the exhaust gas amount of the internal combustion engine automobile, the exhaust gas reduction amount can be calculated with higher accuracy.
[0017]
In the invention according to claim 8, the exhaust gas amount information is stored for each electric power company, the electric power company that supplies charging power is determined from the vehicle position at the time of charging, and charging is performed using the exhaust gas information of the electric power company that supplies charging power. Since the amount of exhaust gas relative to the amount of electric power is calculated, the amount of exhaust gas can be accurately calculated without selecting the vehicle position during charging. Since the third reference data is corrected based on the exhaust gas amount, the remaining battery capacity, and the charged power amount, the exhaust gas reduction amount is accurately calculated based on the consumed power amount without depending on the vehicle position during charging. be able to.
In the invention described in claim 6, since the exhaust gas amount calculation of the electric power company is performed using the exhaust gas amount information for each electric power company, the electric power company accurately calculates the exhaust gas reduction amount even when charging in different areas. be able to.
[0018]
In the invention described in claim 9, since the eco point is calculated based on the exhaust gas reduction amount and the display pattern is displayed as visual information in accordance with the eco point, the exhaust gas reduction amount can be known by the display pattern. it can.
As the display pattern, for example, a picture indicating the growth of a tree can be displayed. Alternatively, it can be displayed in the form of a tree. In such a display, it is possible to know the amount of exhaust gas reduction by the growth of trees or the state of trees.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described by way of examples.
As shown in FIG. 1, the hardware device includes a CPU 1, a display unit 2, a RAM 3, a ROM 4, and an interface 5. This apparatus is mounted on an electric vehicle (not shown) and connected to a control system of the electric vehicle by an interface 5. Information such as the travel distance of the vehicle, the ignition state, and the amount of charging power for charging is input to the control system of the electric vehicle, and these information are input to the CPU 1 by the interface 5. The electric vehicle is equipped with a navigation device for detecting the vehicle position, and the vehicle position information is also input to the CPU 1 by the interface 5.
[0020]
The amount of exhaust gas that can be reduced by using electric vehicles includes the amount of gas that is consumed when the electric power company generates the amount of power consumed by running the electric vehicle, and the amount of exhaust gas that is generated when the internal combustion engine vehicle travels the same distance. It can be displayed by the difference between and. By presenting this reduced amount of exhaust gas, the user can quantitatively know the contribution to the environment through the use of electric vehicles. Here, the reduction amount of CO2 will be described as a representative example, but the reduction amount can be quantitatively displayed in comparison with the internal combustion engine automobile in the same manner for NOX contained in the exhaust gas.
[0021]
The ROM 4 stores, as first reference data, the CO2 amount ECl that is discharged when the power plant generates the amount of power required for the electric vehicle to travel a unit distance. In addition, the same ROM 4 stores, as second reference data, the CO2 amount GCl to be discharged when the internal combustion engine automobile to be compared travels a unit distance. The CPU 1 calculates the CO2 reduction amount from the travel distance of the vehicle using the first reference data and the second reference data stored in the ROM 4. The result of the calculation is multiplied by a predetermined coefficient α to calculate an environmental contribution point (hereinafter referred to as “eco point”).
[0022]
The display unit 2 as the presenting means displays a predetermined display pattern corresponding to the eco point. FIG. 2 is an example of a display pattern. The display pattern is a pattern indicating the growth of the tree, and each pattern corresponds to an eco point. When the eco point increases, the right pattern is selected and displayed. As a result, the increase in eco-points is displayed by the growth of the tree, and the degree of contribution to the environment can be known from the growth of the tree.
The ROM 4 stores a program for performing the above processing. This program and hardware constitute an environmental page contribution presentation device.
[0023]
Next, a specific example of the calculation is shown.
An electric vehicle is a vehicle with a power consumption of 0.14 kWh / km, for example, in the 10.15 mode in measuring the exhaust gas concentration.
The target vehicle to be compared with the electric vehicle is a gasoline engine vehicle of the same body size and passenger capacity, and the fuel consumption is 10.2 km / liter in the 10/15 mode.
[0024]
On the other hand, according to the documents of the Environment Agency, CO2 emission per liter of gasoline is 0.64 kg / liter in gasoline engine cars. The CO2 emission amount per 1 kWh of electric power is 0.12 kg / kWh.
Therefore, the amount of CO2 ECl emitted by an electric vehicle per 1 km run is
ECl = 0.14 kWh / km × O. 12kg / kWh = 0.168kg / km
become.
In addition, CO2 emissions GCl per 1km of gasoline engine car is
GCl = 0.64 / 10.2 = 0.0627 kg / km
become.
[0025]
Therefore, the amount of CO2 that can be reduced by using an electric vehicle every 1 km is
GCl-ECl = 0.0627-0.0168 = 0.0459 kg / km
It is.
By using the electric vehicle, the CO2 reduction amount DC when traveling the distance L is calculated by the following equation.
DC = L × (GCl−ECl) (1)
For example, when an electric vehicle travels 30 km, the CO2 reduction amount DC is
DC = 30 × (0.0627−0.0168) = 1.377 kg
It becomes.
[0026]
When the CO2 reduction amount is multiplied by a predetermined coefficient α, an eco point is calculated. For example, if the coefficient α is set to 10 and rounded off to the second decimal place, the eco point EP becomes 13.8 as follows for a CO2 reduction amount of DC of 1.377 kg.
EP = [alpha] * DCl = 10 * 1.377 = 13.8
In this way, when the 30km travel distance is used as an average for 30 days, the cumulative value ΣEP of eco points is
ΣEP = 13.8 × 30 = 414
It becomes.
In accordance with the accumulated value of the eco-points, an increase in eco-points is represented by the growth of the tree by displaying the corresponding tree pattern from FIG.
[0027]
FIG. 3 is a flowchart showing the flow of the above processing.
Processing is started when the ignition switch is turned on. In step 100, the CPU 1 obtains vehicle travel distance information from the control system of the electric vehicle via the interface 5.
In step 101, the CPU 1 determines whether or not the travel distance has reached a predetermined distance L. If not, the process returns to step 100 to acquire travel distance information again. If it is determined that one has been reached, the travel distance L is stored in the RAM 3 in step 102.
In step 103, the CPU 1 acquires the first reference data ECl and the second reference data GCl from the ROM 4.
[0028]
In step 104, the CPU 1 calculates the CO2 reduction amount DC based on the first reference data ECl, the second reference data GCl, and the travel distance L according to the above equation (1).
In step 105, the eco point EP is calculated by approximation by multiplying the CO2 reduction amount DC by the coefficient α.
In step 106, a new eco-point cumulative value ΣEP is calculated from the eco-point EP and the eco-point cumulative value ΣEP stored in the RAM 3. The accumulated value in the RAM 3 is updated with this calculated value.
In step 107, the display unit 2 selects and displays the tree pattern shown in FIG. 2 based on the accumulated eco-point value.
Thereafter, returning to step 100, the above flow is repeated, and the display is updated every predetermined distance L.
[0029]
The present embodiment is configured as described above, and when an electric vehicle travels a predetermined distance L, a gasoline vehicle of the same class as the amount of CO2 emitted when the electric power company generates the amount of power consumed by the traveling travels. The amount of CO2 reduction is calculated by comparing with the amount of CO2 emission. Then, the CO2 reduction amount is converted into points, and eco-points are calculated as environmental contributions. Since the display shows the growth of the tree according to the required eco point, you can know the degree of contribution to the environment from the growth of the tree.
In the present embodiment, a picture indicating the growth of a tree is used as the display pattern. However, for example, as shown in FIG. Display the degree of environmental contribution by coloring the leaves displayed as symbols according to the number of eco points.
In addition to the display as visual information on the screen, the CO2 reduction amount or the eco point can be notified by voice.
[0030]
Next, a modified example will be described.
In the above embodiment, every time the electric vehicle travels a predetermined distance, the CO2 reduction amount is calculated to calculate the eco point. In the modified example, the eco point is calculated every trip.
[0031]
FIG. 5 is a flowchart showing the flow of calculation.
That is, when the ignition switch is turned on, in step 203, the CPU 1 initializes the travel distance information for the previous driving stored in the RAM 3.
In step 204, CPU 1 obtains travel distance information from the control system of the electric vehicle.
[0032]
In step 205, the ignition state information is input, and in step 206, it is checked whether the ignition switch is turned off. If not turned off, the process returns to step 204, and the travel distance information acquisition is repeated. If the ignition switch is turned off, it is determined that traveling has been completed and the routine proceeds to step 207.
In step 207, the CPU 1 stores and saves the travel distance L acquired so far in the RAM 3. As a result, the travel distance L for one trip is obtained.
[0033]
After that, the process proceeds to step 103 in FIG. 3, and as in the first embodiment, the CPU 1 inputs the first reference data ECl and the second reference data GCl, and the travel distance L according to the above equation (1). The amount of CO2 reduction is calculated. Then, the eco point is calculated from the CO2 reduction amount, added to the accumulated value ΣEP of the eco point, and the tree pattern shown in FIG. 2 is selected and displayed based on the result. In order to ensure the operation of the apparatus even after the ignition switch is turned off, power supply is continued for a predetermined time by, for example, a self-holding circuit.
[0034]
Next, a second embodiment will be described.
In the first embodiment, the eco-point calculation is performed when the electric vehicle has traveled a predetermined distance or a trip distance for each trip. In this embodiment, however, the eco-point is calculated with respect to the amount of power actually consumed by the electric vehicle. The CO2 reduction amount is calculated by comparing the amount of CO2 emitted by the power company with the amount of CO2 emission when energy corresponding to this amount of electricity is generated by a predetermined internal combustion engine.
The CPU 1 inputs power consumption information from the control system of the electric vehicle via the interface 5.
Emission when the energy corresponding to the unit power consumption is generated in a predetermined internal combustion engine using the CO2 amount (kg / kWh) EC2 discharged when the power company generates the unit power consumption in the ROM 4 as the third reference data The CO2 amount GC2 (kg / kWh) is stored as fourth reference data.
[0035]
FIG. 6 is a flowchart showing a flow of calculating the CO2 reduction amount.
That is, when the ignition switch is turned on and started, in step 301, the CPU 1 acquires battery capacity information from the control system of the electric vehicle via the interface 5. This battery capacity is stored in the RAM 3 as Wl.
In step 302, the CPU 1 checks the ignition switch state and determines whether or not the vehicle travel is completed. When the ignition switch is turned off, in step 303, the battery capacity W2 is acquired from the control system of the CPU1 electric vehicle.
[0036]
In step 304, the CPU 1 calculates a change in the capacity of the battery by comparing the battery capacities W2 and W1, and obtains the power consumption amount W consumed for traveling.
In step 305, the CPU 1 acquires the third reference data EC2 and the fourth reference data GC2 stored in the ROM 4.
In step 306, the CPU 1 calculates the CO2 reduction amount DC by the following equation using the power consumption amount W, the third reference data EC2, and the fourth reference data GC2.
DC = W × (GC2-EC2) (2)
The calculated reduction amount DC is stored in the RAM 3.
[0037]
After that, the process proceeds to step 105 in FIG. 3, and the eco-point is calculated and the accumulated eco-point is calculated as in the first embodiment. The display unit 2 selects and displays a pattern indicating the growth of the tree according to the accumulated eco point value.
The present embodiment is configured as described above, and the CO2 reduction amount is calculated with respect to the amount of electric power actually consumed by the electric vehicle. The amount will be calculated.
[0038]
In addition, when an electric vehicle is equipped with a clean power generation system such as sunlight, the amount of power consumed is included in the amount of power consumed.
Instead of step 304 in FIG. 6, the flowchart in FIG. 7 is executed.
In step 801, the CPU l calculates the power consumption Wa consumed by the travel from the battery capacity Wl when the ignition switch is on and the battery capacity W2 when the ignition switch is off.
In step 802, the own vehicle power generation amount GW is acquired from the control system of the electric vehicle via the interface 5.
[0039]
In step 803, the power consumption amount is corrected by subtracting the vehicle power generation amount GW from the power consumption amount Wa. As a result, the amount of power consumption W that is actually generated by the power company is calculated.
Since the power consumption amount W does not include the amount of power generated by the vehicle, the amount of exhaust gas discharged by the power company due to running of the electric vehicle can be accurately calculated. Therefore, even in an electric vehicle equipped with a power generation system, the CO2 reduction amount can be obtained without deterioration in accuracy.
[0040]
Next, a third embodiment will be described.
In the first embodiment, the amount of CO2 discharged when the electric power company generates the amount of power consumed by the electric vehicle and the amount of CO2 discharged when the gasoline engine vehicle travels the same travel distance. Although the CO2 reduction amount is calculated by comparison, in this embodiment, the CO2 reduction amount calculation is performed from the time of charging. Since the amount of CO2 generated when generating electric power at a power company varies with time, CO2 emission information corresponding to the time is used.
[0041]
FIG. 8 is a diagram showing CO2 emission information for each time zone.
Here, the daily power generation is divided into several time zones (Ts to Te) according to the CO2 emission amount, and a reference ID Ni (i = 1, 2, 3,... N) is assigned to each time zone. . The CO2 emission amount HC has a relationship corresponding to the time zone according to the reference ID. The CO2 emission information HC (Ni) is information on the amount of CO2 (kg / kWh) emitted when generating a unit electric energy. The CO2 emission amount information for each time zone shown in FIG. 8 is stored in the ROM 4 as fifth reference data. Further, the exhausted CO2 amount MC (kg / kWh) when energy corresponding to the unit power amount is generated by a predetermined internal combustion engine is stored in the ROM 4 as sixth reference data.
Note that the end time Te (Ni) of the time zone is the same as the start time Ts (Ni + 1) of the next time zone.
[0042]
FIG. 9 shows a flowchart for calculating the reduction amount.
That is, when charging is started, in step 401, the eco point EP obtained in the time zone at the time of the previous charging is initialized.
In step 402, the CPU 1 uses the time information to obtain the reference ID Ni assigned to the time zones Ts (Ni) to Te (Ni) corresponding to the charging time T.
In step 403, the CPU 1 acquires charge amount information from the electric vehicle via the interface 5.
[0043]
In step 404, it is determined whether or not the charging time T has reached the end time Te (Ni) of the time zone. If it is not the end time, the process returns to step 403 to input new charge amount information. If it is determined in step 404 that the end time is reached, the charging power amount WC (Ni) acquired in the time zone Ni is stored in the RAM 3 and the process proceeds to step 405.
In step 405, the CO2 reduction amount DC (Ni) is calculated using the charging power amount WC (Ni).
That is, first, the fifth reference data HC (Ni) and the sixth reference data MC are acquired from the ROM 4 by the reference ID.
The CO2 reduction amount DC (Ni) is calculated as in the following equation.
DC (Ni) = (MC-HC (Ni)) · WC (Ni)
[0044]
In step 406, the eco point EP (Ni) is calculated by multiplying DC (Ni) by the coefficient α.
In step 407, the CPU 1 acquires the eco point EP stored in the RAM 3. The eco point EP is a total value of eco points calculated in each time zone. The CPU 1 calculates a new total value EP from the eco point EP and the eco point EP (Ni) and stores it in the RAM 3.
In step 408, the accumulated value of the eco point EP and the accumulated eco point accumulated billion ΣEP obtained in the past charging is calculated. The calculated value is stored in the RAM 3 as a new cumulative value ΣEP.
[0045]
In step 409, CPU l determines whether charging is continuing. If it continues, the process returns to step 402, and the above process is repeated. If the charging is completed, the process proceeds to step 410.
In step 410, the display unit 2 selects and displays a tree pattern (display pattern) in accordance with ΣEP as in the first embodiment.
Also in this embodiment, the same effects as those in the first and second embodiments can be obtained, and the amount of CO2 reduction can be obtained by using the charging power amount during charging and the CO2 emission information in the time zone corresponding to the charging time. Therefore, accurate calculation is possible even when the charging time is different.
[0046]
Next, a fourth embodiment will be described.
In the above embodiment, the CO2 emission amount information for each time zone is stored, and the CO2 reduction amount is calculated using the CO2 emission amount information in accordance with the charging time. However, in this embodiment, according to the vehicle position. Make it possible to select a power company that supplies charging power.
FIG. 10 shows the relationship between a plurality of electric power companies to which reference IDi (i = 1, 2, 3,... N) is assigned and the CO2 amount HC (i) emitted when generating unit electric power for each electric power company. FIG.
[0047]
The CO2 emission information HC (i) for each electric power company is stored in the ROM 4 as the fifth reference data, and the CO2 emission MC when energy corresponding to the unit electric energy is generated by a predetermined internal combustion engine is stored in the ROM 4 as the sixth reference data. It is. The supply area information of the electric power company is also stored in the ROM 4.
The CPU 1 inputs vehicle position information from the electric vehicle via the interface 5.
[0048]
FIG. 11 is a flowchart showing a flow of calculating the CO2 reduction amount.
That is, when charging is started, in step 501, the CPU 1 acquires the charging power amount WC.
In step 502, the CPU 1 determines whether or not the charging is completed based on the charging information from the electric vehicle. If not completed, the process returns to step 501 to acquire a new charge power amount. When the charging is completed, in step 503, the CPU 1 stores the charging power amount WC in the RAM 3 and acquires the vehicle position information.
In step 504, the CPU 1 identifies the power company that supplies the charging power by checking the vehicle position information and the power supply area information of the power company stored in the ROM 4.
[0049]
In step 505, the CPU 1 obtains the fifth reference data HC (i) from the ROM 4 with the specified power company reference ID (i).
In step 506, the CPU 1 obtains the sixth reference data MC from the ROM 4, and calculates the CO2 reduction amount DC according to the following equation using the charging power amount WC and the fifth reference data HC (i).
DC = (MC-HC (i)) · WC
[0050]
Thereafter, the process proceeds to step 105, where the eco point EP is calculated in the same manner as in the first embodiment, and the accumulated value ΣEP of the eco point is calculated from the eco point EP. The display unit 2 selects and displays a tree pattern corresponding to the accumulated value of eco points.
Depending on the embodiment, the CO2 emission information of the electric power company that actually performs the charging is used, so that the CO2 reduction amount can be calculated with higher accuracy than the statistical data regardless of the charging location.
[0051]
Next, a fifth embodiment will be described.
In the first embodiment, the first reference data ECl, which is information on the amount of CO2 emitted per 1 km traveled by the electric vehicle, is a fixed value obtained from the statistical value. In this embodiment, however, the first reference data ECl is corrected according to the situation during charging. It is what you want to do.
In the ROM 4, the generation amount HC (Ni) of CO2 for each time zone shown in FIG. 8 is used as the fifth reference data, and the electric power β (kWh / Km) required for the electric vehicle to travel a unit distance is referred to as the seventh reference data. Store as data.
[0052]
FIG. 12 shows a flowchart for creating the first reference data ECl.
That is, when charging is started, in step 601, the CO2 emission amount ROC obtained in the previous charging is initialized, and in step 602, the charging power amount WC obtained in the previous charging is initialized.
In step 603, the CPU 1 acquires the remaining battery capacity information Y.
In step 604, the first reference data ECl (N) used so far is acquired.
In step 605, the CPU 1 uses the time information to obtain the reference ID (Ni) assigned to the time zones Ts (Ni) to Te (Ni) corresponding to the charging time T.
In step 606, the CPU 1 acquires the charging power amount WC (Ni) from the electric vehicle via the interface 5.
[0053]
In step 607, it is determined whether or not the charging time T has reached the end time Te (Ni) of the time zone. If it is not the end time, the process returns to step 606 to newly input the charge amount information. If it is determined in step 607 that the end time Te (Ni) of the time zone has been reached, the charging power amount WC (Ni) is stored in the RAM 3 and the process proceeds to step 608.
As a result, the amount of charging power WC (Ni) charged in the time zone Ni could be acquired.
[0054]
In step 608, the amount of CO2 ROC (Ni) discharged by the power company by charging within the time period is calculated.
That is, first, the fifth reference data HC (Ni) is acquired from the ROM 4 by the reference ID.
The CO2 emission amount ROC (Ni) is calculated according to the following equation.
ROC (Ni) = HC (Ni) · WC (Ni)
CPUl obtains the CO2 emission amount ROC stored in RAM3. The CO2 emission ROC is a total value calculated in each time zone. A new total value ROC is calculated from ROC and ROC (Ni) and stored in the RAM 3.
[0055]
In step 609, the CPU 1 calculates the total value of the charging power amount WC (Ni) and the charging power total amount WC stored in the RAM 3 and stores it in the RAM 3 as a new charging power total amount WC as shown in the following equation.
WC = WC + WC (Ni)
In step 610, CPUl determines whether charging is continuing. If charging is continued, the process returns to step 605, the above processing is performed, and if charging is completed, the process proceeds to step 611.
[0056]
In step 611, CPU 1 corrects the first reference data ECl (n) so far according to the following equation.
ECl (n + 1) = [Y · ECl (n) + ROC · β] / (WC + Y)
In step 612, the CPU 1 stores the newly obtained first reference data ECl (n + 1) in the RAM 3.
The present embodiment is configured as described above, and the CO2 amount ECl discharged by the electric vehicle per 1 km travel is calculated by calculating the actual CO2 emission amount every time the battery is charged and correcting it with the remaining battery level. Therefore, it is always kept at the optimum value corresponding to the charging situation.
[0057]
Next, a sixth embodiment will be described.
In the second embodiment, the unit power consumption is set to a fixed value obtained from statistical data for the third reference data EC2, which is information on the amount of CO2 emitted when the electric power company generates power. In this embodiment, this is charged. The correction is made according to the charging situation at the time. Here, an electric power company that supplies charging power can be selected according to the vehicle position at the time of charging.
The amount of CO2 emitted when generating a unit amount of electric power for each electric power company shown in FIG. 10 is stored in the ROM 4 as fifth reference data. The power supply area information of each power company is also stored in the ROM 4.
[0058]
FIG. 13 is a flowchart showing a flow of creating the third reference data EC2.
That is, in step 701, the CPU 1 acquires the remaining battery capacity Y from the electric vehicle via the interface 5.
In step 702, the CPU 1 acquires the third reference data EC2 (n) that has been used so far.
[0059]
In step 703, the charge power amount WC is acquired.
In step 704, the CPU 1 acquires vehicle position information from the electric vehicle.
In step 705, the CPU 1 collates the vehicle position with the power supply area information of the power company, specifies the power company that supplies power, and acquires the fifth reference data HC (i).
In step 706, the CPU 1 calculates the CO2 amount ROC discharged by the electric power company by charging according to the following equation.
ROC = HC (i) ・ WC
In step 707, the CPU l modifies the third reference data EC2 (n) that has been used so far according to the following formula, and creates new third reference data EC2 (n + 1).
EC2 (n + 1) = [Y · EC2 (n) + ROC] / (WC + Y)
[0060]
In step 708, the CPU 1 stores the newly obtained third reference data in the RAM 3.
As a result, the third reference data EC2, which is the amount of CO2 emitted by the electric vehicle per 1 km of travel, is corrected with the CO2 emission amount of the electric power company that supplies the charged electric energy every time charging is performed. Therefore, it is possible to calculate the CO2 emission amount during traveling without reducing accuracy.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating a configuration of an embodiment.
FIG. 2 is a diagram illustrating an example of a display pattern.
FIG. 3 is a flowchart showing a flow of processing.
FIG. 4 is a diagram illustrating an example of another display pattern.
FIG. 5 is a flowchart showing a modification.
FIG. 6 is a flowchart showing a second embodiment.
FIG. 7 is a flowchart for correcting power consumption.
FIG. 8 is a diagram showing a reference ID assigned for each time zone and the amount of CO2 emitted when the electric power company generates unit power in that time zone corresponding to the reference ID.
FIG. 9 is a flowchart showing a third embodiment.
FIG. 10 is a diagram showing a plurality of electric power companies to which reference IDs are assigned and the amount of CO2 emitted when generating unit electric energy for each electric power company.
FIG. 11 is a flowchart showing a fourth embodiment.
FIG. 12 is a flowchart for creating first reference data ECl.
FIG. 13 is a flowchart for creating third reference data EC2.
[Explanation of symbols]
1 CPU
2 display section
3 RAM
4 ROM
5 Interface

Claims (11)

  Mileage detection means for detecting the mileage of the electric vehicle, and a predetermined internal combustion engine vehicle using, as first reference data, the amount of exhaust gas generated when the electric power company generates the amount of power consumed by the electric vehicle per unit distance The first and second reference data storage means for storing the exhaust gas amount when the vehicle travels as the second reference data, the detected travel distance of the electric vehicle, the first reference data, and the second reference data An environmental contribution degree presentation device comprising: an exhaust gas reduction amount calculating means for calculating an exhaust gas reduction amount based on the present invention; and a presentation means for presenting the exhaust gas reduction amount as visual or audio information. Energy equivalent to the unit power consumption with the power consumption detection means for detecting the power consumption consumed by the electric vehicle and the amount of exhaust gas generated by the electric power company for the unit power consumption as the third reference data , The third reference data storage means for storing the amount of exhaust gas when the predetermined internal combustion engine is generated as the fourth reference data, the detected electric power consumption of the electric vehicle, the third reference data, and the third reference data 4. An environmental contribution degree presentation device comprising: an exhaust gas reduction amount calculating means for calculating an exhaust gas reduction amount based on 4 reference data; and a presentation means for presenting the exhaust gas reduction amount as visual or audio information . A power generation system is added to the electric vehicle, and the power consumption detection means detects the amount of power generated by the added power generation system, and detects the amount of power subtracted as the power consumption of the electric vehicle. The environmental contribution presentation device according to claim 2. The environmental contribution degree presenting apparatus according to claim 1, wherein the travel distance detection unit or the power consumption amount detection unit detects a travel distance or power consumption amount during one trip travel. Charging power amount detecting means for detecting the amount of charging power charged in the electric vehicle, and the fifth reference data in each time zone with the amount of exhaust gas discharged by the power company when generating the unit power amount as fifth reference data And fifth and sixth reference data storage means for storing the exhaust gas amount when the energy corresponding to the unit power amount is generated by the predetermined internal combustion engine as the sixth reference data, and the time corresponding to the time when charging is performed An exhaust gas reduction amount calculating means for calculating an exhaust gas reduction amount based on the sixth reference data and the detected charging power amount using the fifth reference data of the belt; Or the environmental contribution degree presentation apparatus provided with the presentation means to present as audio | voice information. The fifth and sixth reference data storage means store the fifth reference data for each electric power company, and the exhaust gas reduction amount calculating means has electric power supply area information of each electric power company and is charged. 6. The environmental responsibility presentation device according to claim 5, wherein an electric power company that supplies electric power is determined from the position of the vehicle, and an exhaust gas reduction amount is calculated using the fifth reference data of the determined electric power company. . 1st reference data creation means, The first reference data creation means comprises a charge power amount detection unit for detecting a charge power amount charged in the electric vehicle, and a remaining capacity for detecting a battery remaining capacity of the electric vehicle. The detection unit and the amount of exhaust gas when the electric power company generates the unit power amount are set as fifth reference data, and the electric vehicle travels a unit distance as the fifth reference data and the seventh reference data in each time zone. The first reference data information storage unit that stores the amount of electric power necessary for charging, the fifth reference data in the time zone corresponding to the time for charging the electric vehicle, and the amount of charged power in the time zone Based on the exhaust gas calculating means for calculating, the total amount of exhaust gas calculated in each time zone, the total amount of charging power charged in each time zone, the remaining battery capacity and the seventh reference data The first reference data Environmental contribution presenting apparatus according to claim 1, characterized in that it comprises a first reference data correcting means for correcting the data. A third reference data creating means, the third reference data creating means comprising: a charge power amount detecting unit for detecting a charge power amount charged in the electric vehicle; and a remaining capacity for detecting a battery remaining capacity of the electric vehicle. When charging is performed, a detection unit, a fifth reference data information storage unit that stores the fifth reference data of each electric power company with the amount of exhaust gas generated when the electric power company generates power as the fifth reference data An exhaust gas amount calculating means for calculating an exhaust gas amount based on the fifth reference data and the charged electric energy of the determined electric power company, and determining an electric power company that supplies charging power from the vehicle position; The environmental contribution presentation device according to claim 2, further comprising third reference data correction means for correcting the third reference data based on a gas amount, the remaining battery capacity, and a charged power amount. The exhaust gas reduction amount calculating means calculates environmental contribution points based on the calculated exhaust gas reduction amount, and the presenting means selects a predetermined display pattern as visual information corresponding to the environmental contribution points. The environmental contribution degree presentation device according to claim 1, wherein the environmental contribution degree presentation device is provided. The environmental page contribution presentation device according to claim 9, wherein the display pattern is a picture representing tree growth. The environmental contribution degree presenting apparatus according to claim 9, wherein the display pattern is a picture representing a state of tree thickening.

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