KR101283356B1 - Vehicle operating recording apparatus for reducing carbon dioxide emission from vehicle, and method of the same - Google Patents

Abstract

The present invention relates to a digital vehicle driving record apparatus mounted on a vehicle, and more particularly, to calculate a carbon dioxide amount by calculating or measuring in real time the amount of carbon dioxide generated in the vehicle, and to prevent unnecessary idling of the vehicle according to the vehicle state. The present invention relates to a digital vehicle driving record apparatus and a method for reducing the amount of carbon dioxide emission which can calculate the amount of carbon dioxide reduced by the calculated amount of carbon dioxide emissions in real time and prevent carbon idling. .

Description

VEHICLE OPERATING RECORDING APPARATUS FOR REDUCING CARBON DIOXIDE EMISSION FROM VEHICLE, AND METHOD OF THE SAME}

The present invention relates to a digital vehicle driving record apparatus mounted on a vehicle, and more particularly, to calculate a carbon dioxide amount by calculating or measuring in real time the amount of carbon dioxide generated in the vehicle, and to prevent unnecessary idling of the vehicle according to the vehicle state. A vehicle driving recorder having a function of reducing the amount of carbon dioxide emitted to calculate the amount of carbon dioxide reduced by the calculated amount of carbon dioxide emitted in real time when the vehicle is prevented from idling and storing this data; It's about how.

One of the major causes of environmental pollution and global warming is carbon dioxide emitted from factories of automobiles and companies. This is not just a country but a global issue, and the international community is trying to reduce the amount of carbon dioxide emitted from automobiles and factories. I am interested in research.

Recently, commercial vehicles such as commercial buses have been legally equipped with a digital vehicle driving recorder which measures and stores real-time driving records obtained from various sensors of the vehicle, and reduces vehicle fuel consumption and reduces emissions. In order to reduce unnecessary idle conditions, it is legislated to attach idle limiting device to block unnecessary idle.

In general, a digital vehicle driving recorder can store and read information such as speed, engine revolutions per minute (RPM), brake pedal, accelerator pedal use, location information, driving time, rapid acceleration and sudden stop, etc. in real time. The recorded vehicle operation information is provided to the control center through wired / wireless internet networks or mobile communication networks, and used to monitor violent driving such as rapid acceleration / deceleration and speeding of the vehicle.

As described above, new laws and schemes for preventing violent driving and reducing carbon dioxide emissions are expected to apply various devices to vehicles. When a plurality of devices having individual functions are added to one vehicle, interworking is easy. In addition, there is a problem in that the installation is inconvenient, there is a need for a technology that can perform a plurality of functions in combination using an existing device has emerged.

In addition, all the systems and legislation can be met to efficiently reduce fuel consumption, monitor vehicle emissions, and calculate and measure carbon dioxide emissions to minimize carbon dioxide emissions. There is a need for a device that can be used as evidence and can record real-time driving information of a vehicle.

An object of the present invention is to store a variety of driving information obtained from a vehicle in operation in real time, based on this information data to calculate the amount of carbon dioxide generated in real time or by measuring the amount of carbon dioxide emissions, and according to the vehicle state In order to limit unnecessary idling of the vehicle, the vehicle engine stops and restarts, and when the vehicle is prevented from idling, the amount of carbon dioxide reduced by the calculated carbon dioxide emission in real time can be calculated, stored, and transmitted. The present invention provides a digital vehicle driving record apparatus and a method for reducing energy and reducing carbon dioxide emissions.

It is also an object of the present invention to provide a digital vehicle driving record apparatus and method for determining whether the idle limit is easier through the gap adjusting operation of the reed sensor switch in each pedal.

It is also an object of the present invention to provide a basis for the digital vehicle driving record apparatus to measure and calculate the amount of carbon dioxide emission reduction when idling is limited, and to use it for carbon credit trading through this data.

In addition, an object of the present invention is to provide a digital vehicle driving record apparatus as a terminal device for vehicle field authentication for the reduction of carbon dioxide emissions.

Vehicle operation recording apparatus having a function of reducing the amount of carbon emissions of the present invention for achieving the above object, the fuel injector, fuel supply solenoid valve, fuel supply device operation information controlled by the vehicle ECU, such as fuel pump module, vehicle speed A vehicle state detection unit for detecting the state information of the vehicle including the transmission position and the pedal press information, a starter for turning on / off the vehicle, calculating the amount of carbon dioxide discharged, and calculating the vehicle speed, the transmission position and the pedal press It is determined whether the engine is idling based on the information, and if it is determined that the engine is idling restriction condition when idling occurs, the engine is controlled to turn off the engine by controlling the starting unit, and the amount of carbon dioxide emitted is reduced by the idling limit until starting. It characterized in that it comprises a control unit for calculating and storing by the amount of carbon dioxide emitted The.

The vehicle state detection unit may be connected to a sensing device provided in a vehicle to obtain vehicle information including a transmission position and output the vehicle information to the controller, and may be installed on a brake pedal to change a lead gap according to the press of the brake pedal. Including a reed sensor switch includes a pedal depressing unit for detecting the depressed degree of the brake pedal, the control unit, the vehicle speed is 0, the position of the transmission is in the neutral (N) and the lead gap is the first reference gap It is characterized in that it is determined within the idle limit condition.

The vehicle state detection unit may be connected to a sensing device provided in a vehicle to acquire vehicle information and output the vehicle information to the controller, a brake pedal press detection unit for detecting a press of the brake pedal, and a clutch pedal installed at the clutch pedal. Including a reed sensor switch that changes the lead gap according to the pressing of the pedal including a clutch pedal pressing detection unit for detecting the pressing of the clutch pedal, wherein the control unit, the lead gap by the pressing of the clutch is located within a first reference gap When the brake signal is input by pressing the brake, and the vehicle speed is 0, it is determined as an idling restriction condition.

The control unit sets the idle limit mode when the idle limit condition is satisfied and counts a lead time that is a waiting time until the start-off, and the lead gap in a state where the brake pedal is stepped within the first reference gap during the lead time count. If a change of more than a predetermined gap (△ gap) occurs, the idle limit mode is released and the start is kept on.If the lead gap does not change or changes within a predetermined gap (△ gap) during the lead time count, the lead time is changed. It is characterized in that the starting off.

The controller sets the idle limit mode when the idle limit condition is satisfied and counts the lead time, which is a waiting time until the start-off, and the clutch pedal is pressed again during the lead time count so that a change of more than a certain gap (Δgap) is caused. If it occurs, the idle limit mode is released to maintain the starting state, and if there is no change in the lead gap during the read time count or changes within a predetermined gap (△ gap), the start after the lead time is characterized in that the start-off.

The vehicle state detection unit further detects a voltage value of the battery, and the control unit, when the start-off is turned off in the idle limit mode through the vehicle state detection unit, the voltage value of the battery is dropped, the reference battery is set in advance When the voltage value is reached, an external signal is generated.

The control unit calculates the reduced carbon dioxide emission by applying the fuel supply amount information calculated by the fuel supply device operation information controlled by the vehicle ECU, such as the fuel injector, the fuel supply solenoid valve, and the fuel pump module, to Equation 7 below. It is characterized by.

[Equation 7]

Reduced CO2 Emissions (g) =

  Idle limit time X Fuel supply unit fuel supply X Standard CO2 emissions per liter of fuel (g / ℓ) X Weight

However, the weight is 0.500 ~ 1.000

The control unit includes a step of calculating the multiplied by the certified fuel economy (Km / ℓ) and the authorized carbon dioxide emissions (g / Km) provided by the automobile manufacturer for each vehicle type when calculating the reduced emissions of carbon dioxide.

The display unit may further include a display unit configured to display a plurality of pieces of information, wherein the controller compares the respective sensing values of the vehicle state information input through the interface unit in the idle mode and the reference sensing values in the normal range, which are preset. It is displayed on a display part.

Further comprising a display unit for displaying a plurality of information, the control unit, the vehicle speed, GPS position value, battery voltage value, RPM, door open / closed, fuel accumulation consumption, driving cumulative distance, vehicle status information of the total running time and driving Record information, the amount of carbon dioxide discharged and the amount of carbon dioxide reduced, idling off cumulative time, idling off countdown time, idling off holding time, fuel savings due to idling prevention and pollutant emissions from idling prevention, And displaying at least one of idle limit information of a cumulative number of restarts and idle limit execution rate on the display unit.

The controller is characterized in that the start-up is controlled by turning on the starter when the lead gap is pressed by a predetermined gap (Δgap) after the start-off by the idle limit condition is satisfied.

The controller acquires an engine revolutions per minute (RPM) through the interface unit at the first start-up or restart, and compares the engine speed with which the engine speed is obtained by comparing with the preset engine speed based on the engine speed. When the number of revolutions is exceeded, the starter is controlled to forcibly turn off the starter.

Further comprising a wireless communication unit for performing wireless data communication by accessing the control server through a wireless data communication network, wherein the control unit measured by the vehicle state detection unit, GPS position value, battery voltage value, RPM, door open / closed, Accumulated fuel consumption, driving cumulative distance, rapid start, rapid stop, rapid acceleration, vehicle status information and driving record information of total driving time, the amount of carbon dioxide emitted and reduced amount of carbon dioxide discharged, idle off accumulated time, idle off countdown time At least one of idling off maintenance time, fuel saving value according to the idling prevention, pollutant exhaust gas value according to the idling prevention, cumulative number of restarts, and idling restriction information of the idling restriction execution rate are transmitted to the control server through the wireless communication unit. Characterized in that.

The wireless data communication network is any one of a mobile communication network of GSM, CDMA, WCMDA or a wired / wireless internet network, a short range wireless communication network of Bluetooth, Zigbee and UWB, and the wireless communication unit is any one of the mobile communication network, a short range wireless communication network and a wired / wireless internet network. It is characterized in that the wireless communication unit for performing wireless data communication by connecting to.

In addition, in the method of reducing the amount of carbon dioxide emitted by the digital vehicle driving record apparatus, when the vehicle is powered on and started, the injector operation information and the lead interval information of the pedal press detection unit for determining whether the pedal is pressed through the vehicle state detection unit A fuel supply amount is calculated based on a monitoring process for monitoring a vehicle state, including a fuel injector, a fuel supply solenoid valve, and a fuel pump module operating information controlled by a vehicle ECU, such as the fuel injector, the fuel supply solenoid valve, and the fuel supply amount. When it is determined that the idle limit is satisfied in the process of calculating the amount of carbon dioxide emitted to start calculating the amount of carbon dioxide, the idle limit determining process for determining whether the idle limit is satisfied, and the idle limit condition in the idle limit determining process, the idle limit mode is set and started. Limit idle by turning it off It characterized in that it comprises an idle limit process.

After the idle limit process, characterized in that it further comprises a reduced carbon emissions calculation process for calculating the reduced carbon emissions to be reduced during the idle time limit until starting again.

The reduced carbon dioxide emission calculation is characterized by the following Equation 8.

[Equation 8]

Reduced CO2 Emissions (g) =

  Idle limit time X Fuel supply unit fuel supply X Standard CO2 emissions per liter of fuel (g / ℓ) X Weight

However, the weight is 0.500 ~ 1.000

The vehicle state information further includes speed information of the vehicle and transmission position information, and the idling limit determination process includes: a lead gap inspection step of checking whether the monitored lead distance is within a first reference gap; A vehicle speed determination step of checking whether the speed is 0 and a transmission position determination step of determining whether the position of the transmission is neutral (N), wherein the speed of the vehicle is 0, the transmission position is neutral, and the monitored When the lead interval is within the first reference gap, it is determined that the idle limit condition is satisfied.

The vehicle state information further includes speed information of the vehicle, and the idling limit determination process includes: a lead interval inspection step of checking whether the monitored lead interval is within a first reference gap, and whether the vehicle speed is zero; Including a vehicle speed determination step of checking, Wherein the signal that the monitored lead interval is within the first reference gap is input, If the speed of the vehicle is characterized in that it is determined that the idle limit condition is satisfied.

The idle limit determination process may include: a lead time counting step of counting a lead time that is a waiting time for turning off the engine when it is determined that the idle limit condition is satisfied; and before the counted lead time exceeds the reference lead time; A reset inspection step of checking whether a change in the predetermined gap (△ gap) occurs in the lead gap; and when the lead gap changes in the predetermined gap, the idle limit mode is released, the start-up state is maintained, and the change occurs. If not, further comprising a start-off step of turning off the start after the reference lead time.

The method may further include a transmission process of transmitting the reduced carbon emission to the control server of the vehicle control center through a wireless data communication network so as to accumulate the carbon emission right or points for the calculated reduced carbon emission.

Acquire the engine revolutions per minute (RPM) of the vehicle as vehicle status information through the interface unit at the first start-up or restart on, and check whether the obtained engine revolutions per minute exceed a preset engine speed per minute engine revolutions. If it is characterized in that it further comprises a sudden start prevention process forcibly turning off the start.

The present invention measures the vehicle driving record information, and transmits the measured information to the control center to prevent the driver from speeding and violent driving, as well as to prevent unnecessary idling of the vehicle to reduce fuel consumption. Have

In addition, the present invention is to calculate or measure the amount of carbon dioxide generated in the vehicle in real time, to calculate the amount of carbon dioxide reduced by the idling prevention in real time when performing the idling prevention, and to store the calculated reduced carbon dioxide amount in the storage device or to the control server By transmitting, it is possible to utilize in the carbon credit trading using the reduced carbon dioxide data.

In addition, the present invention has the effect of using the existing digital vehicle driving recorder, to measure the carbon dioxide emissions and savings, and to perform the idling limit process.

In addition, the present invention, through the process of stopping the idle limit function, has the effect of helping the operator's operation convenience.

In another aspect, the present invention has the effect of performing the role of the terminal for the vehicle field authentication for the reduced carbon dioxide emissions.

1 is a view showing the configuration of a vehicle control system including a digital vehicle driving record apparatus having a function of reducing carbon dioxide emissions according to the present invention;
2 is a view showing the configuration of a digital vehicle driving record apparatus having a function of reducing carbon dioxide emissions according to the present invention;
3 is a flowchart showing a method for reducing the amount of carbon dioxide emitted in a digital vehicle driving record apparatus according to the present invention.
4 is a flowchart showing a method of determining an idle limit in a method for reducing carbon dioxide emission of a digital vehicle driving record apparatus according to the present invention.
5 is a view for explaining the idle prevention operation according to the reed interval when the reed sensor switch according to the present invention is installed on the brake pedal
6 is a view for explaining the idle prevention operation according to the reed interval when the reed sensor switch is installed in the clutch pedal according to the present invention;

Hereinafter, a configuration and operation of a digital vehicle driving record apparatus having a function of reducing carbon dioxide emission according to the present invention will be described with reference to the accompanying drawings.

Digital vehicle operation recording apparatus according to the present invention measures the state of the vehicle, limit the sensing, diagnosis and unnecessary idling according to the vehicle state, calculate the amount of carbon dioxide reduced by the idling limit, and through this data, It is stored as information for receiving points corresponding to carbon credits or transmitted to the vehicle control center.

1 is a view showing the configuration of a vehicle control system including a digital vehicle driving record apparatus having a function of reducing carbon dioxide emissions according to the present invention. Hereinafter, a case in which the measured vehicle state and the reduced amount of carbon dioxide are transmitted to the control center will be described with reference to FIG. 1.

The vehicle control system includes a control center for performing data communication with the digital vehicle driving recorder 100 through the digital vehicle driving recorder 100 and the wired / wireless internet network 110 and / or the mobile communication network 120 mounted on the vehicle. It includes a control server 200.

When the IGN is turned on or started, the digital vehicle driving record apparatus 100 starts the measurement of the vehicle state, determines whether the measured vehicle state information is within the normal signal range, senses, diagnoses, and measures the vehicle state. It is determined whether the engine is idling based on the vehicle state information. As a result, when the vehicle is idling, the vehicle driving record apparatus 100 determines whether it is unnecessary idling, performs idling restriction, turns off the start, and calculates the amount of carbon dioxide emitted during the idling time limit. The measured vehicle state information and the reduced amount of emitted carbon dioxide are periodically transmitted to the control server 200 through the wired / wireless internet network 110 and / or the mobile communication network 120. The vehicle state information includes vehicle speed, brake pedal press, accelerator pedal press, clutch press, transmission position, driving time, engine revolutions per minute (RPM) and vehicle position information.

The control server 200 has registration information for the digital vehicle driving record apparatus 100, and stores and manages the measured vehicle state information and the reduced emission carbon dioxide amount corresponding to the registered digital vehicle driving record apparatus. . The registration information may be unique identification information of each of the digital vehicle driving record apparatus 100, a vehicle number on which the digital vehicle driving record apparatus 100 is mounted, driver information, and the like. The reduced emission carbon dioxide amount stored as described above may be used to provide a point corresponding to a carbon credit transaction or a carbon credit for the driver or vehicle owner and the vehicle owner of the digital vehicle driving record apparatus 100 in the future.

2 is a view showing the configuration of a digital vehicle driving record apparatus having a function of reducing carbon dioxide emissions according to the present invention. Referring to Figure 2 will be described in detail the configuration and operation of the digital vehicle driving record apparatus according to the present invention.

The digital vehicle driving record apparatus according to the present invention includes a control unit 10, an input unit 20, a display unit 30, a GPS receiver 40, a wireless communication unit 50, an interface unit 60, a reader unit 70, and data. The communication unit 80 is included.

The controller 10 controls the overall operation of the digital vehicle driving record apparatus according to the present invention. In particular, the control unit 10 calculates real-time emission carbon dioxide amount, monitoring and diagnosis of vehicle status information, determination of idle limit, reduction emission carbon dioxide amount due to idle limit, and the like.

The input unit 20 includes a plurality of keys for controlling the operation of the digital vehicle driving record apparatus by the user, and provides the control unit 10 with key data on a key pressed by the user.

Under the control of the controller 10, the display unit 20 displays various operation states, vehicle state information, real-time emission carbon dioxide amount, and reduced emission carbon dioxide amount according to the operation of the digital vehicle driving record apparatus. Specifically, the control unit 10 may display the vehicle speed, GPS position value, battery voltage value, RPM, door open / close, fuel accumulation consumption, driving accumulation distance, vehicle state information and driving record information on the display unit 20. , The amount of carbon dioxide discharged and the amount of reduced carbon dioxide, idle idle cumulative time, idle idle countdown time, idle idle maintenance time, fuel saving value according to the idle prevention and pollutant exhaust gas value according to idle prevention, cumulative restart count, Any one or more of the idling restriction information of the idling restriction execution rate is displayed. In addition, real-time fuel economy, real-time carbon dioxide emissions, cumulative data, idling time, idling time limit, cumulative number of times, warning message about rapid start, rapid acceleration, sudden braking etc. Abnormal warning about the corresponding diagnosis item about the numerical value and function to link with GPS and idle off cumulative time, idle off countdown time, idle off hold time, fuel saving value due to idling prevention and pollutant exhaust gas value due to idling prevention , The cumulative number of restarts, idling limit information of the idling limit execution rate, etc. can be displayed. In addition, the display unit 20 is controlled by the control unit 10 to compare the respective sensing values of the vehicle state information input through the interface unit in the idle mode with the engine of the vehicle idling and the reference sensing values in the normal range set in advance. Display the result. At this time, the result value may be a numerical value, may be abnormal, or may be a value of various methods.

The GPS positioning unit 40 receives position data from at least three GPS satellites through the GPS antenna ANT1 and provides the same to the controller 10. Then, the controller 10 may calculate and store the vehicle position information along with time information by calculating the current position of the vehicle based on the position data. The stored time and location information may be used for verifying adequacy of the emission reduction carbon dioxide amount provided to the control center in order to receive a carbon credit.

The wireless communication unit 50 connects to a wireless data communication network such as the wired / wireless internet network 110 and the mobile communication network 120 of FIG. 1 to perform data communication with other systems connected to the wireless data communication network. The wireless communication unit 50 may be a Wi-Fi wireless communication unit 50 for accessing the wireless Internet network 110, a code division multiple access (CDMA) for accessing the mobile communication network 120, GSM, Or it may be a WCDMA wireless communication unit 50. Although FIG. 1 illustrates a case where there is only one wireless communication unit 50, two or more wireless communication units 50 that may be connected to the mobile communication network 120 and the wireless Internet network 110 may be provided.

The interface unit 60 includes an OBD connector and is connected to an OBD connector of the vehicle to collect various vehicle information from the vehicle sensing apparatus according to the OBD standard or to collect vehicle sensing information from the vehicle sensing apparatus through other connection means. Provided by (10). The sensing information may include time, injector operating time, vehicle speed, coolant temperature, air pressure, opening and closing of a car door, transmission position, brake and side brake presses, vehicle tilt, and engine revolutions per minute (RPM).

The reader unit 70 has sockets into which portable memories, such as a compact flash (CF) memory, an SD memory, a T-Flash memory, and a USB memory, can be inserted, and are inserted into the socket under the control of the controller 10. The sensed vehicle information, diagnostic information, location information, real-time carbon emissions, and reduced carbon emissions are stored or stored in the memory to the controller 10.

The data communication unit 80 includes a plurality of sockets to which external devices can be connected, and performs data communication with the connected external devices. The data communication unit 80 may be a UART performing data communication according to the RS-232 communication standard. The GPS receiver 40 may be included in the digital vehicle driving record apparatus as shown in FIG. 2, but may be configured by connecting an external GPS receiver to the data communication unit 80.

The starter 90 is turned on or turned on under the control of the controller 10. The starting object may be an engine in the case of a general vehicle, and may be a motor or an engine in the case of a hybrid vehicle.

The vehicle driving record apparatus of the present invention may further include a pedal press detection unit 95 which detects the press and release of the brake pedal or the clutch pedal by the reed sensor switch (not shown) and provides the control unit 10 to the controller 10. . Specifically, the pedal press detection unit 95 may be configured in the brake pedal in the case of an automatic transmission vehicle, and may be configured in the clutch pedal in the case of a manual transmission vehicle. The pedal press detection unit 95 senses lead interval information of the reed sensor switch and provides the control unit 10 to determine whether the pedals are pressed. At this time, the control unit 10 determines the pressing and release of the pedals based on the lead interval information, and performs the final idle limit determination by the pressing of the pedal to turn off the start, turn on the start or off Can be stopped and kept on. The reed sensor switch can use various types of switches such as a photo sensor, high frequency, capacitance, and magnet.

By using the reed sensor switch, it is possible to control the start-up time more precisely and accurately when the engine is restarted after the engine stops. In addition, by using the reed sensor switch, considering the characteristics of the driver's unique driving habits, it is possible to consider the ergonomic aspects and to implement an artificial intelligent fuzzy concept determination algorithm. This will be described in detail with reference to FIGS. 5 and 6.

5 is a view illustrating a start on / off operation when a reed sensor switch is applied to a brake pedal of an automatic transmission vehicle according to the present invention, and FIG. 6 is a reed sensor switch of a brake pedal of a manual transmission vehicle according to the present invention. 4 is a diagram for describing a startup on / off operation when is applied.

First, the final determination of idling limit using the reed sensor switch and the start-off and start-on operations according to the present invention will be described with reference to FIG. 5. Reference numeral 601 in the drawing denotes a first lead and 602 denotes a second lead.

The second lead 602 is typically fixed, and the first lead 601 will approach the second lead 602 as the pedal is pressed. Then, the reed sensor switch included in the pedal press detection unit 95 will output a signal according to the lead spacing between the first lead 601 and the second lead 602.

When the first lead 601 is placed at the first position 612 within the first reference gap 611, the control unit 10 is located at the first position 612 from the pedal press detection unit 95. When it is determined that the signal corresponding to the gap between the 601 and the second lead 602 is input and the final idle limit condition is satisfied, the starter 90 is controlled by turning off the starter 90 after a read time of 3 to 5 seconds. However, when the variation of more than a certain gap (Δgap) range occurs in the state where the first lead 601 is placed in the first position 612 within the read time time as shown in FIG. 5, the start-off operation is stopped and the start-up state Keep it. In addition, in the start-off state after the lead time, the first lead 601 of the pedal press detection unit 95 may have a fluctuation of more than an arbitrary gap (Δgap) range at the first position 612, or When out of range, the controller 10 detects this through the pedal press detection unit 95 and controls the starter 90 to turn on the start.

That is, in the case of the automatic transmission, when the speed is zero and the transmission is determined to be neutral in a state where the brake pedal is depressed so as to correspond to a position within the first reference gap, it is determined as an idle limit condition. At this time, if there is no change in the brake pedal depressed value over a certain clearance range during the lead time, the start is stopped after the lead time has elapsed. If within the lead time or after the start-off, there is a change in the? Gap or out of the range of the first reference gap, the start is maintained or the start is turned on.

With reference to Figure 6 will be described the final determination of the idling limit using the reed sensor switch of the manual transmission vehicle and the start-off and start-on operation according to it.

First, in the case of a manual transmission, the reed sensor switch is connected to the clutch.

In the case of the manual transmission, when the clutch is pressed and the first lead 601 is placed at the first position 712 within the first reference gap 711, the controller 10 may control the first position (from the pedal press detection unit 95). When the signal according to the gap between the first lead 601 and the second lead 602 placed in the 712 is input and it is determined that the final idle limit condition is satisfied, the starter 90 is opened after a lead time of 3 to 5 seconds. Control starts off. However, the clutch is pressed once to put the transmission in neutral and then returned to its original position. In other words, after the first lead 601 moves once to the position 712 within the first reference gap 711, the driver releases the foot so that the first lead 601 returns to the original position 701. do. After that, the read time is counted, and if the variation occurs over a predetermined gap (Δgap) range at the original position 701 during the read time count, the controller 10 does not turn off the start and maintains the on state.

In other words, the detection of the depression by the clutch usually determines the case where there is a signal before the speed becomes zero or immediately after the speed becomes zero, which is required to step on the gear before the driver stops or as soon as the driver stops. This is because they drive in a neutral way. In the claims, the determination that the lead gap is located within the first reference gap by pressing the clutch means that the control unit is temporarily positioned within the first reference gap and then released. In some cases, however, the case in which there is a state signal in which the clutch is continuously pressed within the first reference gap after one or more times or the speed becomes zero is not excluded. In this case, it is not necessary to make a separate transmission neutral determination, because if the clutch is not pressed in the state where the transmission is not neutral, the starting is mechanically terminated.

The pedal press detection unit 95 including the reed sensor switch may be provided in the vehicle itself, and in this case, may be provided to the controller 10 through the interface unit 60.

Although not shown in the digital vehicle driving record apparatus of FIG. 2, a control program for controlling the digital vehicle driving record apparatus according to the present invention and a memory for storing data generated during execution of the control program are provided. In addition, the digital vehicle driving record apparatus may further include an internal memory for storing data generated by the user.

In addition, the vehicle driving record apparatus of the present invention may further include an exhaust carbon dioxide amount measuring unit installed in the exhaust device of the vehicle and having a carbon sensor for measuring the amount of exhaust carbon dioxide discharged through the exhaust device. This is not to calculate the amount of carbon dioxide emitted by the fuel injection amount input through the interface unit 60, but to directly measure the amount of carbon dioxide substantially discharged through the vehicle exhaust device.

3 is a flowchart illustrating a method for reducing the amount of carbon dioxide emitted in a digital vehicle driving record apparatus according to the present invention. A description with reference to FIGS. 1 to 3 is as follows.

First, the controller 10 checks whether the initial startup is turned on by inserting and rotating the driver's ignition key or the like or pressing the ignition button (S301).

When the start-up is turned on, the controller 10 starts monitoring the vehicle state through the interface unit 60, the GPS receiver 40, and the pedal press detection unit 95 (S303).

In detail, the control unit 10 obtains fuel supply device operation time information through the interface unit 60, detects transmission position sensing, brake and side brake pressing, tilt sensing of the vehicle, engine revolutions per minute (RPM), It monitors the battery voltage, the vehicle speed, and the like, measures the current position through the GPS receiver 40, and detects the pedal press using the reed sensor switch through the pedal press detector 95 according to the present invention. In addition, various diagnostic information such as driving time, door open / closed state, rapid acceleration, and rapid braking measured by a general digital vehicle driving recorder are sensed.

When information begins to be collected from the sensing device of the vehicle by the monitoring, the controller 10 compares the measured RPM and the pre-stored sudden reference RPM to check whether the measured RPM exceeds the sudden reference RPM and whether or not a sudden start occurs. It is determined (S313). This sudden oscillation determination process is to reduce the risk of frequent starting on and off for the idle limit.

If it is determined that the sudden start has occurred as a result of the test, the controller 10 controls the starter 90 to forcibly turn off the starter.

However, if it is determined that the sudden oscillation is not the control unit 10 starts to calculate the real-time carbon dioxide generation amount (S315).

Specifically, in order to calculate the real-time carbon dioxide generation amount, the controller 10 calculates the instantaneous fuel consumption amount by Equation 1 below.

However, the fuel supply unit supply amount has a rated amount for each vehicle type, and has actual vehicle operation information in which the vehicle ECU is sensed based on a control pattern input according to start, idling, low speed and high speed, and speed reduction according to a driving mode condition. Since the optimization control, the fuel supply device operating time is information obtained from the sensing information collected through the interface unit 60.

When the instantaneous fuel consumption is calculated, the controller 10 calculates the instantaneous fuel economy by Equation 2 below, and calculates the reference carbon dioxide emission per liter per fuel by Equation 3 below.

As described above, the control unit 10 may calculate the carbon dioxide emission by measuring the unit fuel supply amount of the fuel supply device, but by multiplying the certified fuel consumption (Km / ℓ) and the authorized carbon dioxide emission (g / Km) provided by the automobile manufacturer by vehicle type. You could calculate it.

When the real-time carbon dioxide emission starts to be calculated, the controller 10 compares the vehicle state information with preset idling restriction conditions to determine whether the current vehicle state is idling and a condition to block idling, and then idling restriction. When the condition is satisfied, the idle limit determination routine for setting the idle limit mode for turning off the start and blocking the idle operation is performed (S317). The idle limit condition determination will be described in detail with reference to FIG. 4 to be described later.

After the idle limit condition determination routine is performed, the controller 10 determines whether the idle limit condition is set to the idle limit mode (S319).

When the idle limit determination routine is set to the idle limit mode, the controller 10 counts the idle limit time until the start-up is turned on again (S325) (S321), and calculates the amount of reduced emission carbon dioxide that is reduced during the counted time. (S323). However, when the idle limit condition is not satisfied, the controller 10 continuously performs the idle limit determination routine based on the monitored vehicle state information.

In order to calculate the reduced emission carbon dioxide amount, the control unit 10 calculates the instantaneous carbon dioxide emission by applying the instantaneous fuel economy and the reference carbon dioxide emission to Equation 4 according to Equation 2 and Equation 3 above.

However, the weight is 0.500 ~ 1.000

In Equation 4, the weight is the actual idling on the chassis dynamometer, such as the cumulative carbon dioxide emission average information according to the various operation results accumulated based on a certain period of time, such as quarter, semi-annual, and year, compared to vehicle speed information, and the official energy efficiency measurement. This analysis weight is pre-determined for each season by selectively using city emission gas emission form information and vehicle emission emission form information at idle.

When the instantaneous carbon dioxide emissions are calculated, the controller 10 calculates the reduced carbon dioxide emissions during the idle limit by Equation 5 below.

However, the weight is 0.500 ~ 1.000

The weight in Equation 5 is the exhaust gas emissions during actual idling on the chassis dynamometer, such as the average information of the cumulative carbon dioxide emission according to various operation results accumulated based on a certain period such as quarter, semi-annual, and year of the vehicle and the measurement of certified energy efficiency. Analysis weights are set in advance by season by selectively using type information and emission type emission information during idling provided by the vehicle manufacturer.

Calculation of the amount of carbon dioxide emission per litre per fuel related to the energy consumption efficiency for the instantaneous fuel consumption of Equation 2 is the official fuel efficiency for the vehicle using fossil fuel in the relevant government agencies to calculate the current energy consumption efficiency of the vehicle. As the calculation mode, CVS-75 mode, which adopts the US FTP-75 mode, is used. In this calculation mode, the energy consumption efficiency, that is, the official fuel economy, is calculated by setting a standard for the amount of exhaust gas per liter for each fuel. The formula for judging the carbon balance method is presented. Certified fuel economy measurement is calculated by the following equation 6 by measuring the exhaust gas on the chassis dynamometer in the CVS-75 mode specified in the related laws.

- LPG

-LPG

- 경유

-Via

After all, it is calculated by the carbon balance method for the emission gas, which is the combustion result per liter of carbonized fuel, and in fact, almost 99% or more of the total weight of the emission gas is carbon dioxide, so the energy consumption efficiency calculation formula is prescribed. Even when calculated by substituting 44/12 (carbon dioxide / carbon) molecular weight formula based on the total amount of exhaust gas, the error is very small compared to the carbon dioxide emission measured by fuel type on the chassis dynamometer based on CVS-75 mode. Carbon dioxide emissions per liter per fuel can be obtained.

 The cumulative reduced emission carbon dioxide amount calculated at this time is displayed through the display unit 30. In calculating the reduced emission carbon dioxide amount, an average emission carbon dioxide amount may be applied instead of a real-time emission carbon dioxide amount.

During the carbon reduction calculation, it is checked whether a restart is performed by pressing the brake pedal by the gap (S325). In other words, while the start is turned off and the idling is limited, the start is turned on again when there is a pressing in the Δgap range.

At this time, when the vehicle is started, the controller 10 stores the calculated carbon reduction amount or reports to the control server 200 through the wireless communication unit 50 (S327). Specifically, GPS position value, battery voltage value, RPM, door open / close, fuel accumulation consumption, driving accumulated distance, rapid start, rapid stop, rapid acceleration and total driving time, vehicle status information and driving record information, and the amount of exhausted carbon dioxide And reduced emission of carbon dioxide, idle off cumulative time, idle off countdown time, idle off hold time, fuel savings due to prevention of idling and pollutant emissions from idling, cumulative number of restarts, idle idling limit Any one or more of the restriction information may be transmitted to the control server 200 through the wireless communication unit 50.

The control unit 10 stores the reduced amount of carbon dioxide emitted during the idle limit mode in a portable memory inserted into the reader unit 70 or transmits it to the control server 200 of FIG. 1 through the wireless communication unit 50 (S329). We will be able to earn carbon credits or points corresponding to the reduced emissions. The report to the control server 200 may be reported intermittently or periodically on a daily, weekly or monthly basis as needed.

After storing or reporting the calculated carbon reduction amount, the control unit 10 proceeds to S313 and compares the RPM monitored in S303 with a preset acceleration reference RPM to determine whether the sudden generation occurs again. After the rapid start determination, the above-described processes are repeated.

4 is a flowchart illustrating a method for determining an idling limit of a method for reducing carbon dioxide emission of a digital vehicle driving record apparatus according to the present invention, which is a flowchart illustrating a method when the digital vehicle driving record apparatus is applied to an automatic transmission vehicle. Hereinafter, the idle limit determination method will be described in detail with reference to FIG. 4.

First, the control unit 10 determines a vehicle inclination condition (S511), a battery voltage determination step (S513), an operation activation determination step (S515), an engine speed determination step (S517), and a start count determination step. In operation S519, a vehicle speed determination step S521, a transmission position determination step S523, and a pedal press determination step S527 are performed.

The inclination determination step S511 is a step of detecting the inclination of the vehicle and determining that the idle limit condition is satisfied when the detected inclination of the vehicle is equal to or less than the reference angle. This is because it is dangerous to turn off the vehicle when the vehicle is in a steep slope, so that the start-off process according to the idling restriction is not applied in a steep slope.

The battery voltage determination step S513 may generate an external signal when the voltage value of the battery drops and reaches a preset reference battery voltage value when the battery is started off in the idle limit mode. In other words, when the battery is turned off by the generator when the engine is turned off due to the idling limit, the voltage value decreases as time passes. Can cause. Therefore, when the battery voltage reaches a predetermined reference voltage value, an external signal, that is, a signal that generates an alarm or a signal that turns on the startup, is generated, so that a problem due to the voltage drop does not occur.

The operation activation determining step (S515) is a step of determining that the idle limit condition is satisfied when the speed of the vehicle exceeds the preset speed value one or more times after the engine is restarted after being started or forcibly stopped.

The engine speed determining step (S517) is a step of measuring the engine speed and determining that the idle limit condition is satisfied when the measured engine speed is less than or equal to a preset engine speed. This is to determine if the driver is in pure idling state without stepping on the accelerator pedal.

The start count determination step (S519) is a step of displaying the alarm sound, voice, or display when the start count of the engine measured by counting the start count reaches or exceeds a preset start count. This is to manage the statistics for the maintenance of the start-up related parts with frequent start on / off.

The vehicle speed determination step S521 is a step of determining that the idle limit condition is satisfied when the vehicle speed is zero.

The transmission position determining step (S523) is a step of determining whether the position of the transmission is neutral (N), and when the position of the transmission is in the neutral (N), it is determined that the idle limit condition is satisfied. In a manual transmission vehicle this step can be omitted.

The step of determining whether the pedal is pressed (S527) is idling when the lead gap of the magnet switch (an embodiment of the lead sensor switch) of the pedal press detection unit 95 connected to the brake pedal or the clutch pedal is within a preset first reference gap. In this step, it is determined that the constraint is satisfied.

Determination of the idle limit, the vehicle tilt determination step (S511), the battery voltage determination step (S513), the operation activation determination step (S515), the engine speed determination step (S517), the start count determination step (S519), the vehicle speed The determination step S521, the transmission position determination step S523, the vehicle acceleration determination step S525, and the pedal press determination step S527 may be configured. However, the vehicle speed determination step (S521), the transmission position determination step (S523) and the pedal press determination step (S527) of the above steps may be applied to the idle limit determination for a more accurate idle limit determination.

When it is determined that the idle limit determination conditions are satisfied by performing the idle limit determination steps as described above, the controller 10 sets the idle limit mode (S529) to turn off the start-up and counts the start-off lead time (S531). Usually, the lead time is about 3 to 5 seconds, and the lead time count signal can be displayed by an alarm sound, a voice, or a display.

When the read time is counted, the controller 10 checks whether the counted read time exceeds a reference read time (3 to 5 seconds) (S533).

During the read time count, the controller 10 checks whether the lead gap of the magnet switch of the pedal press detection unit 95 is further changed from the lead gap in determining the idle limit mode (S535). In other words, it is checked whether the lead gap at the time of idling limit mode determination has changed as much as the? Gap range or out of the range of the reference gap as shown in FIG.

At this time, if it is determined that there is a change in the lead gap by the? Gap range, the controller 10 releases the idle limit mode and maintains the start-up state (S537). However, if there is no change in the lead gap, the controller 10 turns off the start after the lead time (3 to 5 seconds) (S539).

The driver detects that the signal or voice according to the lead time count is output, and when the vehicle is about to start or should not be turned off, the driver can remove the foot from the pedal to stop the idle limit mode or the clearance gap. By tilting the pedal further by the range, it can be operated to prevent starting off.

In the case of the manual transmission vehicle, the reed sensor switch of the pedal press detection unit 95 is connected to the clutch as described above. Therefore, the control unit 10 should further include a process of detecting the press of the brake pedal, and detects the lead gap of the reed sensor switch as shown in FIG. 6 to check whether the idle limit condition is satisfied. In summary, in the case of a manual transmission, when the lead clearance by the clutch is within or below the first reference clearance, there must be a signal within or below, the brake pedal is pressed or the parking brake signal, and the idle speed is zero. It is judged that the limitation condition is satisfied. Also, in the case of the manual transmission vehicle, if the variation more than an arbitrary gap (Δgap) occurs during the lead time count in the same way as the automatic transmission vehicle, the start is not turned off and is kept on.

On the other hand, the present invention is not limited to the above-described typical preferred embodiment, it can be carried out in various ways without departing from the gist of the present invention various modifications, changes, substitutions or additions in the art Anyone who has this can easily understand it. It is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, it is intended to cover various modifications within the scope of the appended claims.

10: control unit 20:
30: display unit 40: GPS receiver
50: wireless communication unit 60: interface unit
70: reader unit 80: data communication unit
90: starting unit 95: pedal press detection unit
100: digital vehicle driving recorder

Claims (22)

A vehicle state detection unit detecting state information of the vehicle including fuel supply device operation information, vehicle speed, transmission position, and pedal press information;
Starting part to turn on / off the vehicle,
A wireless communication unit performing wireless data communication by accessing a control server through a wireless data communication network;
Calculate the amount of carbon dioxide discharged, determine whether the engine is idling based on the vehicle speed, transmission position and pedal depressed information, and if the idling occurs when the idling is determined to be idling restriction conditions, the starter is controlled by starting Including off the control unit for calculating and storing the amount of carbon dioxide emitted by the idle limit until the start-up, by the following equation 7,
The vehicle state detection unit,
An interface unit connected to a sensing device provided in the vehicle, the vehicle unit obtaining vehicle information including a transmission position and outputting the vehicle information to the controller;
Is installed on the brake pedal includes a pedal press detection unit for detecting the amount of pressing of the brake pedal including a reed sensor switch that leads gap is changed according to the pressing of the brake pedal,
The control unit,
When the vehicle speed is 0, the position of the transmission is in the neutral position (N), and the lead gap is within the first reference gap, it is determined as an idle limit condition, and when the idle limit condition is satisfied, the idle limit mode is set and the engine is turned off. The lead time, which is a waiting time of, is counted. When the brake pedal is pressed within the first reference gap during the read time count, and the lead gap changes more than a predetermined gap (△ gap), the idle limit mode is canceled to start the engine. It is kept in the on state, and if there is no change in the lead gap during the lead time count or changes within a certain gap (△ gap), the start is turned off after the lead time,
When the lead gap is pressed by a predetermined gap (△ gap) after the start-off by satisfying the idle limit condition, the start-up is controlled to turn on the start,
When the engine is first started or restarted, the engine speed per minute (RPM) is obtained through the interface unit, and the engine speed obtained per minute is compared with the engine speed based on the rapid start based on the engine speed per minute. Control the starter to force off the start,
Vehicle status information and driving record information of vehicle speed, GPS position value, battery voltage value, RPM, door open / closed, fuel accumulation consumption, accumulated travel distance, rapid start, sudden stop, rapid acceleration and total driving time And the discharged carbon dioxide amount and the reduced emission carbon dioxide amount, idle idle cumulative time, idle idle countdown time, idle idle maintenance time, fuel saving value due to idle prevention and pollutant exhaust gas value due to idle idle prevention, restart accumulation At least one of idle limit information of the number of times, idle limit implementation rate is transmitted to the control server through the wireless communication unit,
The wireless data communication network,
One of GSM, CDMA, WCMDA mobile communication network or wired / wireless internet network, Bluetooth, Zigbee and UWB short range wireless communication network, and the wireless communication unit is connected to any one of the mobile communication network, short-range wireless communication network and wired and wireless Internet network to wireless data Digital vehicle operation recording apparatus having a function of reducing the amount of carbon dioxide emitted, characterized in that the wireless communication unit for performing communication.
&Quot; (7) "

However, the weight is 0.500 ~ 1.000 delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete

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