KR101406296B1 - Apparatus and Method for Controlling Power of vehicle - Google Patents

Apparatus and Method for Controlling Power of vehicle Download PDF

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Publication number
KR101406296B1
KR101406296B1 KR1020140037526A KR20140037526A KR101406296B1 KR 101406296 B1 KR101406296 B1 KR 101406296B1 KR 1020140037526 A KR1020140037526 A KR 1020140037526A KR 20140037526 A KR20140037526 A KR 20140037526A KR 101406296 B1 KR101406296 B1 KR 101406296B1
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South Korea
Prior art keywords
vehicle
auxiliary battery
battery
capacity
temperature value
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KR1020140037526A
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Korean (ko)
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박동주
노경봉
구현기
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주식회사 티피엠에스
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Priority to KR1020140037526A priority Critical patent/KR101406296B1/en
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Publication of KR101406296B1 publication Critical patent/KR101406296B1/en
Priority to PCT/KR2014/010221 priority patent/WO2015152482A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention relates to a power control device for a vehicle and a method thereof and, more specifically, to a power control device for a vehicle capable of estimating the accurate discharge time of a vehicle based on the charge capacity of the main and the auxiliary battery of the vehicle and on the current consumption of a black box and a method thereof. According to the present invention, the power control device for a vehicle includes: a start detection unit which detects the on/off status of a vehicle; a charge mode execution unit which, if the vehicle is on, performs a discharge mode for the auxiliary battery of the vehicle; a discharge mode execution unit which, if the vehicle is off, performs a discharge mode for the auxiliary battery of the vehicle; a first control unit which controls the on/off of an internal heater or the on/off of the charge mode by comparing the current internal temperature of the vehicle and a predefined temperature in the charge mode; and a second control unit which controls the output of the main or auxiliary battery of the vehicle by calculating the charge capacity of the main and the auxiliary battery of the vehicle in the discharge mode.

Description

Technical Field [0001] The present invention relates to a power control apparatus for a vehicle,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power control apparatus for a vehicle and a method thereof, and more particularly to a vehicle power control apparatus and method for estimating a discharge time of an accurate vehicle based on a main battery, .

Generally, automobiles use battery voltage at start-up, and are equipped with batteries and generators to supply power to electric devices such as automobile interior lamps, instruments, and air conditioners.

That is, when the starter motor is rotated to start the engine, the alternator connected to the engine by the fan belt generates electric power to charge the battery. However, The battery is sometimes discharged due to the carelessness of the user and the vehicle can not be started. Also, the battery of the automobile is continuously charged and discharged. When the battery is charged / discharged for a long time, And the life span is shortened so that the function as a battery can not be exhibited.

In addition, the capacity of the main battery of the automobile is drastically reduced in winter, so that the battery may not be able to function as a battery. Further, in the case of the auxiliary battery, the life of the auxiliary battery may be drastically shortened at the sub-

Therefore, it is possible to use an auxiliary battery separately from the main battery so as to sufficiently supply the electric energy required by the automobile. Particularly, when a separate part such as a navigation or a black box is mounted on the vehicle and used, the power for operating the power is supplied through the auxiliary battery so that the navigation and the black box can be normally operated even when the vehicle is moving or stopping.

The auxiliary battery is directly connected to the main battery of the vehicle or is connected to the relay through the relay to supply the DC voltage from the main battery.

However, when the auxiliary battery is directly connected to the main battery, the main battery is continuously charged even when the starter is turned off without considering the voltage state of the main battery for the vehicle, so that the main battery may be completely discharged and the starting may not be performed.

When the auxiliary battery is connected through the relay, the charging operation is performed only when the starter is turned off by the relay operation, so that the main battery can be completely discharged, but the charging efficiency of the auxiliary battery is lowered. A problem that the box or the like can not be driven occurs.

In this regard, Korean Patent Publication No. 2007-0018302 discloses "Vehicle charging system using auxiliary battery and control method thereof ".

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a vehicular power control apparatus and method for estimating a discharge time of a vehicle accurately based on the main battery, auxiliary battery charging capacity, .

It is another object of the present invention to provide a vehicular power control apparatus and method for selectively performing a charging mode or a discharging mode according to a starting state of a vehicle.

It is still another object of the present invention to provide a vehicular power control apparatus and method for calculating a battery usable time based on consumption current of an auxiliary battery of a vehicle other than a black box consumption current.

It is still another object of the present invention to provide a power control apparatus for a vehicle and a method thereof for performing a heater on / off or a charging mode on / off according to the temperature in the vehicle for extending the service life of the auxiliary battery.

According to an aspect of the present invention, there is provided a battery charging apparatus comprising a start detecting unit for detecting a start-on / off state of a vehicle, a charge mode executing unit for performing a charge mode for a sub- A discharge mode execution unit for performing a discharge mode with respect to the auxiliary battery of the vehicle when the start of the vehicle is detected to be in an off state and a discharge mode execution unit for comparing the internal temperature of the vehicle with a predetermined temperature value, Off state of the main battery or the auxiliary battery when the discharging mode is performed; and a second controller for controlling the output of the main battery or the auxiliary battery of the vehicle by calculating the charging capacity of the main battery and the auxiliary battery of the vehicle The present invention can be achieved by providing an on-vehicle power supply control apparatus including the vehicle.

According to a preferred aspect of the present invention, the first control unit includes a temperature detection unit for detecting a current temperature value in the vehicle, and a controller for turning on the internal heater when the in-vehicle temperature value is equal to or lower than a predetermined first temperature value, A heater on / off setting unit for turning off the internal heater if the temperature value is equal to or higher than the second temperature value; and a heater on / off setting unit for turning off the charge mode when the temperature value in the vehicle is equal to or lower than a predetermined third temperature value And a charge on / off setting unit for turning on the charge mode.

According to another preferred feature of the present invention, the second control unit includes a calculation unit for calculating the main battery charging capacity of the vehicle, the auxiliary battery charging capacity of the vehicle, and the total usable time of the main battery and the auxiliary battery of the vehicle, An auxiliary battery setting unit for setting an auxiliary battery output of the vehicle when the battery charge capacity remains, and an output setting unit for setting the output of the main battery of the vehicle based on the available time of the main battery of the vehicle, And a main battery setting unit.

According to another preferred aspect of the present invention, the calculating unit calculates the available time of the main battery of the vehicle by comparing the charged capacity of the main battery of the vehicle and the maximum chargeable capacity, and calculates the maximum chargeable capacity And calculates the total usable time of the main battery and the auxiliary battery of the vehicle by summing up the calculated time of the main battery usable time of the vehicle and the usable time of the auxiliary battery of the vehicle .

According to another preferred aspect of the present invention, the calculating unit may define the maximum chargeable capacity of the auxiliary battery in the calculated vehicle as a capacity value of any one of a plurality of preset capacity values.

According to another preferred feature of the present invention, the calculating unit calculates the first capacity value when the calculated maximum capacity of the auxiliary battery of the vehicle is between 0 and 7%, the maximum capacity of the auxiliary battery of the vehicle is 8 to 25 %, A third capacity value when the secondary battery maximum chargeable capacity of the vehicle is between 26 to 75%, a maximum capacity of the secondary battery of the vehicle is between 76 to 100% , It can be defined as a fourth capacitance value.

According to another preferred aspect of the present invention, the calculating unit may calculate the usable time of the auxiliary battery of the vehicle using the preset consumption current value according to the defined capacity value and the preset capacity value.

According to another preferred aspect of the present invention, there is provided a method of controlling an on / off state of an auxiliary battery in a vehicle, an auxiliary battery failure state of the vehicle, a communication state of the vehicle with the main battery and the auxiliary battery, And a status display unit for displaying any one of the possible total time and the discharged state of the main battery and the auxiliary battery of the vehicle on the external display.

According to another aspect of the present invention, there is provided a method of controlling a vehicle, including the steps of sensing a start-on / off state of the vehicle, performing a charge mode on the auxiliary battery of the vehicle when the start- The method comprising the steps of: performing a discharge mode for the auxiliary battery of the vehicle when the battery is sensed in an off state; comparing the current temperature value with a preset temperature value when the charging mode is performed to determine whether the internal heater is on / And controlling the main battery of the vehicle or the output of the auxiliary battery of the vehicle by calculating the main battery of the vehicle and the auxiliary battery charging capacity of the vehicle at the time of performing the discharge mode, Lt; / RTI >

The step of comparing the current in-vehicle temperature value with a predetermined temperature value and controlling the on / off state of the internal heater on / off or the charge mode when the charge mode is being executed includes the steps of: Turning on the internal heater when the temperature value in the vehicle is equal to or less than the predetermined first temperature value and turning off the internal heater when the in-vehicle temperature value is equal to or higher than a predetermined second temperature value; And turning on the charging mode when the in-vehicle temperature value is equal to or higher than a predetermined fourth temperature value.

The step of calculating the main battery of the vehicle and the auxiliary battery charging capacity of the vehicle and controlling the output of the main battery of the vehicle or the auxiliary battery of the vehicle at the time of performing the discharging mode includes the steps of: Calculating a charge capacity and a usable total time of the main battery and the auxiliary battery of the vehicle, setting the auxiliary battery output of the vehicle when the auxiliary battery charging capacity of the vehicle remains, And setting the output of the main battery of the vehicle on the basis of the available time of the main battery of the vehicle if not left.

The step of calculating the main battery charging capacity of the vehicle, the auxiliary battery charging capacity of the vehicle, and the total usable time of the main battery and the auxiliary battery of the vehicle may be determined by comparing the charging capacity of the main battery of the vehicle and the maximum chargeable capacity Calculates the chargeable capacity of the auxiliary battery of the vehicle and the maximum chargeable capacity of the vehicle to calculate the usable time of the auxiliary battery of the vehicle, The total available time of the main battery and the auxiliary battery of the vehicle can be calculated by adding the available time of the auxiliary battery.

In calculating the main battery charging capacity of the vehicle, the auxiliary battery charging capacity of the vehicle, and the total usable time of the main battery and the auxiliary battery of the vehicle, the calculated maximum capacity of the auxiliary battery of the vehicle, , And the usable time of the auxiliary battery of the vehicle can be calculated using the predetermined consumption current value according to the defined capacity value and the predetermined capacity value.

According to the vehicle power source control apparatus and method of the present invention, by accurately estimating the discharge time of the vehicle based on the main battery and auxiliary battery charging capacity of the vehicle and the consumption current of the black box, it is possible to protect the main battery, I can protect the former.

In addition, according to the vehicle power source control apparatus and method according to the present invention, discharge of the vehicle battery due to an error can be blocked in advance by selectively performing the charge mode or the discharge mode according to the starting state of the vehicle.

Further, according to the vehicle power source control apparatus and method of the present invention, the battery use time of the vehicle is calculated based on the consumption current of the auxiliary battery of the vehicle in addition to the black box consumption current, Can be predicted.

Further, according to the vehicle power source control apparatus and method of the present invention, by performing on / off of the heater on / off or the charge mode according to the temperature, the battery discharge amount of the vehicle can be automatically changed according to the season.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram for explaining a configuration of a vehicle power source control apparatus according to an embodiment of the present invention; Fig.
2 is a diagram for explaining a detailed configuration of a first control unit employed in a vehicle power source control apparatus according to an embodiment of the present invention;
3 is a diagram for explaining a detailed configuration of a second control unit employed in a vehicular power control apparatus according to an embodiment of the present invention;
4 is a view for explaining a status display unit employed in a vehicle power source control apparatus according to an embodiment of the present invention;
5 is a flowchart illustrating a power control method for a vehicle according to an embodiment of the present invention.
FIG. 6 is a flowchart for explaining a method of calculating the charge capacity and usable time of the main battery of the vehicle and the auxiliary battery of the vehicle in the power control method for a vehicle according to the embodiment of the present invention.
7 is a flowchart for explaining a method of calculating a consumption current of an auxiliary battery of a vehicle in a vehicle power source control method according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the embodiments described below are only for explanation of the embodiments of the present invention so that those skilled in the art can easily carry out the invention, It does not mean anything. In describing various embodiments of the present invention, the same reference numerals are used for components having the same technical characteristics.

The vehicle according to the present invention includes a main battery, a navigation battery, an auxiliary battery for driving an electric appliance in a vehicle such as a black box, and a vehicle power supply controller for controlling an output according to the state of the main battery and the auxiliary battery. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a vehicular power control apparatus and method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1, a power control apparatus 100 for a vehicle according to an embodiment of the present invention includes a startup detection unit 110, a charge mode execution unit 120, a discharge mode execution unit 130, a first control unit 140, And a second control unit 150, and may further include a status display unit 160.

The startup detecting unit 110 detects the on / off state of the vehicle. The startup detecting unit 110 checks the voltage value of the vehicle provided from the main battery of the vehicle rather than the simple ACC signal detection and determines that the vehicle is in the starting ON state when the voltage is equal to or higher than the preset 1 voltage value. . In this case, the 1 voltage value may be set to 12.9 V or more, and the 2 voltage value may be set to 12.3 V or less, but the present invention is not limited thereto.

The charge mode performing unit 120 performs a charge mode for the auxiliary battery of the vehicle when the start of the vehicle is detected as an ON state.

The discharge mode performing unit 130 performs a discharge mode for the auxiliary battery of the vehicle when the start of the vehicle is detected as the off state.

The first controller 140 compares the main battery temperature value of the current vehicle with a predetermined temperature value to control the on / off of the internal heater on / off or the charge mode when the charging mode is performed.

The second controller 150 calculates the main battery of the vehicle and the auxiliary battery charging capacity of the vehicle and controls the output of the main battery of the vehicle or the auxiliary battery of the vehicle.

The state display unit 160 displays the state of the auxiliary battery charging mode on / off state of the vehicle, the auxiliary battery failure state of the vehicle, the communication state of the vehicle with the main battery and the auxiliary battery, the total usable time of the main battery and the auxiliary battery, Both of the main battery and the auxiliary battery are discharged to the external display.

Referring to FIG. 2, the first controller 140 compares the main battery temperature value of the current vehicle with a preset temperature value and controls on / off of the internal heater on / off or the charge mode when the charging mode is performed.

The first controller 140 includes a temperature detector 141, a heater on / off setting unit 142, a charge on / off setting unit 143, and a battery failure determination unit 144.

The temperature detection unit 141 detects the current temperature value in the vehicle.

The heater on / off setting unit 142 turns on the internal heater when the in-vehicle temperature value is lower than a predetermined first temperature value and turns off the internal heater when the in-vehicle temperature value is equal to or higher than the predetermined second temperature value. At this time, the first temperature value may be set to 10 ° C, and the second temperature value may be set to 25 ° C or more, but the present invention is not limited thereto.

The charge on / off setting unit 143 turns off the charge mode when the in-vehicle temperature value is lower than a predetermined third temperature value, and turns on the charge mode when the in-vehicle temperature value is equal to or higher than the predetermined fourth temperature value. At this time, the third temperature value may be set to 2 占 폚, and the fourth temperature value may be set to 3 占 폚, but is not limited thereto.

Although not shown, when the current temperature value is equal to or higher than the preset 5th temperature value when charging the secondary battery, the battery failure determining unit 144 determines that the secondary battery of the vehicle is defective when the current temperature value is equal to or higher than 6 , The charge / discharge mode is turned off. At this time, the fifth temperature value may be set to 55 ° C, and the sixth temperature value may be set to 80 ° C, but is not limited thereto.

Also, although not shown, when the voltage of the auxiliary battery is equal to or higher than the set 3 voltage value, it is determined that the auxiliary battery is defective and the charge / discharge mode is turned off. At this time, the 3 voltage value may be set to 4.5V, but is not limited thereto.

Referring to FIG. 3, the second controller 150 calculates the main battery of the vehicle and the auxiliary battery charging capacity of the vehicle at the time of performing the discharge mode, and controls the output of the main battery of the vehicle or the auxiliary battery of the vehicle.

To this end, the second control unit 150 includes a calculating unit 151, an auxiliary battery setting unit 152, and a main battery setting unit 153.

The calculating unit 151 calculates the main battery charging capacity of the vehicle, the auxiliary battery charging capacity of the vehicle, and the total usable time of the main battery and the auxiliary battery of the vehicle.

The calculating unit 151 calculates the maximum chargeable capacity of the main battery of the vehicle and the maximum chargeable capacity of the vehicle so as to calculate the maximum chargeable capacity of the auxiliary battery of the vehicle, Calculates the usable time, and calculates the usable total time of the main battery and the auxiliary battery of the vehicle by summing the calculated time of the main battery usable time of the vehicle and the usable time of the auxiliary battery of the vehicle.

Further, the calculating unit 151 defines the maximum chargeable capacity of the auxiliary battery of the vehicle as one of a plurality of predetermined capacity values.

That is, if the calculated maximum capacity of the auxiliary battery of the vehicle corresponds to between 0 and 7%, the calculation unit 151 calculates the first capacity value and the auxiliary battery maximum chargeable capacity of the vehicle between 8 and 25% If the second capacity value corresponds to a range between 26% and 75% of the secondary battery maximum chargeable capacity of the vehicle, and if the third capacity value and the secondary battery maximum chargeable capacity of the vehicle fall between 76% and 100% Value.

Further, the calculating unit 151 calculates the usable time of the auxiliary battery of the vehicle by associating the predetermined consumption current value with the defined capacity value and the predetermined capacity value. That is, the first consumption current value is associated with the first consumption value, the second consumption current value is allocated to the second storage value, the third consumption current value is stored to the third storage value, and the fourth consumption current value is stored to the fourth storage value, It is possible to calculate the usable time of the auxiliary battery of the vehicle by dividing the preset capacity value by the preset consumption current value. That is, the calculating unit 151 can estimate the usable time of the battery in the section corresponding to the range based on the preset capacity value and the consumption current value.

The auxiliary battery setting unit 152 sets the auxiliary battery output of the vehicle when the auxiliary battery charging capacity of the vehicle remains.

The main battery setting unit 153 sets the output of the main battery of the vehicle based on the available time of the main battery of the vehicle when the charging capacity of the auxiliary battery of the vehicle is not left.

Referring to FIG. 4, when the secondary battery charging mode of the vehicle is on, the current capacity is calculated and displayed on the external display in the case of normal charging, and when the temperature is lower than the third temperature value, (B), and when the state of communication with the auxiliary battery of the vehicle is poor, it is displayed on the external display as shown in (c) When the charge mode is off, the total time available for the main battery and the auxiliary battery in the normal discharge mode is calculated, and the calculated time is displayed on the external display. If both the main battery and the auxiliary battery are discharged (d ) On the external display.

Referring to Fig. 5, a vehicle power source control method according to an embodiment of the present invention will be described. The vehicle power supply control method uses the vehicle power supply control device as described above, and a repeated description will be omitted.

First, the start-on / off state of the vehicle is sensed (S100).

Next, the charging mode is performed for the auxiliary battery of the vehicle when the startup is detected to be on, and the discharge mode is performed for the auxiliary battery of the vehicle when the startup is detected to be off (S110, S130). Hereinafter, step S110 will be described first.

After the step S110, it is judged whether or not the communication with the auxiliary battery of the vehicle is poor (S111).

Next, when communication with the auxiliary battery of the vehicle is normal, the current in-vehicle temperature value is compared with a predetermined temperature value (S112 to S119). The steps S112 and S113 turn on the internal heater when the in-vehicle temperature value is lower than a predetermined first temperature value. In steps S114 and S115, if the in-vehicle temperature value is equal to or higher than a predetermined second temperature value, the internal heater is turned off. The steps S116 and S117 turn off the charging mode when the in-vehicle temperature value is lower than a predetermined third temperature value. Steps S118 and S119 turn on the charging mode when the in-vehicle temperature value is equal to or higher than a predetermined fourth temperature value.

Then, when the present temperature value in the auxiliary battery is equal to or higher than the fifth temperature value set at the time of the precharge, or equal to or higher than the sixth temperature value set at the time of discharge, it is determined that the auxiliary battery of the vehicle is defective, (S120, S121).

After step S130, the main battery charging capacity of the vehicle, the auxiliary battery charging capacity of the vehicle, and the total usable time of the main battery and the auxiliary battery of the vehicle are calculated (S131). The step S131 will be described later in detail with reference to FIG.

Then, it is determined whether or not the communication with the auxiliary battery of the vehicle is poor (S132).

Next, when the communication with the auxiliary battery of the vehicle is normal, and the auxiliary battery charging capacity of the vehicle remains, the auxiliary battery output of the vehicle is set (S133, S134).

Then, the auxiliary battery consumption current of the vehicle is calculated (S135). Step S135 will be described later in detail with reference to FIG.

Next, when the charging capacity of the auxiliary battery of the vehicle is not left, the output of the main battery of the vehicle is set based on the usable time of the main battery of the vehicle (S136, S137).

Referring to FIG. 6, FIG. 6 illustrates a method for calculating the charge capacity and usable time of the main battery of the vehicle and the auxiliary battery of the vehicle in the vehicle power source control method according to the embodiment of the present invention.

First, the remaining capacity of the main battery of the vehicle is calculated (S200).

Then, the current charge capacity of the main battery of the vehicle is calculated (S210).

Then, the charging capacity and the maximum capacity are compared (S220). If it is determined that the charging capacity is larger than the maximum capacity, it is determined that the charging capacity is equal to the maximum capacity (S221). If the charging capacity is smaller than the maximum capacity, the main battery discharge time of the vehicle is calculated (S222).

Then, the auxiliary battery capacity of the vehicle is measured (S230).

Then, the auxiliary battery maximum chargeable capacity of the vehicle is calculated (S240).

Next, the maximum chargeable capacity of the auxiliary battery of the calculated vehicle is defined as a capacity value of any one of a plurality of capacity values (S250).

Then, the usable time of the auxiliary battery of the vehicle is calculated (S260). The auxiliary battery discharge time of the vehicle is calculated through step S260.

Then, the total time of the main battery usable time of the vehicle plus the usable time of the auxiliary battery of the vehicle is calculated (S270).

A method of calculating the consumption current of the auxiliary battery of the vehicle in the vehicle power source control method according to the embodiment of the present invention will be described with reference to FIG.

First, the preset time of the auxiliary battery discharge time of the vehicle is compared (S300).

Next, when the discharge time exceeds the preset time, the black box actual consumption current is measured (S310).

Next, the consumption current is calculated in accordance with the auxiliary battery maximum chargeable capacity of the vehicle (S320 to S351). In this case, if the auxiliary battery maximum chargeable capacity of the vehicle is between 76 and 100% (S320, S321). If the maximum chargeable capacity of the secondary battery of the vehicle is between 26 and 75%, a predetermined third consumption current value is calculated (S330, S331). If the auxiliary battery maximum chargeable capacity of the vehicle is between 8 and 25%, the predetermined second consumption current value is calculated (S340, S341). If the maximum chargeable capacity of the secondary battery of the vehicle is between 0 and 7%, the predetermined first current consumption value is calculated (S350, S351).

As described above, according to the vehicle power source control apparatus and method according to the present invention, by accurately estimating the discharge time based on the main battery and auxiliary battery charging capacity of the vehicle and the consumption current of the black box, It has the effect of protecting the over-discharge.

In addition, according to the vehicle power source control apparatus and method according to the embodiment of the present invention, discharging of the vehicle battery due to an error can be blocked in advance by selectively performing the charging mode or the discharging mode according to the starting state of the vehicle.

In addition, according to the vehicle power source control apparatus and method according to the embodiment of the present invention, the battery use time of the vehicle is calculated based on the current consumption of the auxiliary battery of the vehicle in addition to the black box consumption current, Can be predicted more accurately.

Further, according to the vehicle power source control apparatus and method according to the embodiment of the present invention, by performing on / off of the heater on / off or the charge mode according to the temperature, the battery discharge amount of the vehicle can be automatically changed according to the season .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

100: Vehicle power control device
110:
120: Charging mode performing unit
130: Discharge mode performing unit
140:
150:
160: Status indicator

Claims (13)

A start detecting unit for detecting a start-on / off state of the vehicle;
A charge mode execution unit for performing a charge mode for the auxiliary battery of the vehicle when the start of the vehicle is detected as being on;
A discharge mode performing unit for performing a discharge mode with respect to the auxiliary battery of the vehicle when the start of the vehicle is detected as being off;
A first controller for controlling on / off of the internal heater on / off or charging mode by comparing the temperature value of the main battery of the present vehicle with a predetermined temperature value when the charging mode is performed; And
And a second control unit for calculating the charge capacity of the main battery and the auxiliary battery of the vehicle and controlling the output of the main battery or the auxiliary battery of the vehicle when the discharge mode is performed. The method according to claim 1,
And a control unit for controlling the internal heater when the in-vehicle temperature value is equal to or higher than a predetermined second temperature value, Off setting section for turning off the charge mode when the in-vehicle temperature value is equal to or lower than a predetermined third temperature value and turning on the charge mode when the in-vehicle temperature value is equal to or higher than the predetermined fourth temperature value, Off setting unit. The method according to claim 1,
The second control unit may include a calculation unit that calculates a main battery charging capacity of the vehicle, an auxiliary battery charging capacity of the vehicle, and a usable total time of the main battery and the auxiliary battery of the vehicle, And a main battery setting unit for setting an output of the main battery of the vehicle on the basis of the available time of the main battery of the vehicle when the charging capacity of the auxiliary battery of the vehicle is not left, And the vehicle power supply control device. The method of claim 3,
The calculation unit calculates the maximum chargeable capacity of the auxiliary battery of the vehicle by comparing the charged capacity of the main battery of the vehicle and the maximum chargeable capacity to calculate the usable time of the main battery of the vehicle, Calculates the total usable time of the main battery and the auxiliary battery of the vehicle by summing the calculated usable time of the main battery of the vehicle and the available time of the auxiliary battery of the vehicle. The method of claim 4,
Wherein the calculation unit defines the maximum chargeable capacity of the auxiliary battery in the calculated vehicle as one of a plurality of preset capacity values. The method of claim 5,
The calculation unit calculates the first capacity value when the calculated maximum capacity of the auxiliary battery of the vehicle is between 0 and 7%, the second capacity value when the maximum capacity of the auxiliary battery of the vehicle is between 8 and 25% , A third capacity value when the auxiliary battery maximum chargeable capacity of the vehicle is between 26 and 75%, and a fourth capacity value when the auxiliary battery maximum chargeable capacity of the vehicle is between 76 and 100% Wherein the vehicle power supply control device is characterized by: The method of claim 5,
Wherein the calculating unit calculates the usable time of the auxiliary battery of the vehicle by using the preset consumption current value according to the defined capacity value and the predetermined capacity value. The method according to claim 1,
The secondary battery charging mode of the vehicle, the auxiliary battery failure state of the vehicle, the communication state of the vehicle with the main battery and the auxiliary battery, and the total usable time of the main battery and the auxiliary battery of the vehicle, And a status display unit for displaying any one of the discharged state of the battery on the external display. Sensing a start-on / off state of the vehicle as a voltage value;
Performing a charging mode for the auxiliary battery of the vehicle when the starting of the vehicle is detected as ON;
Performing a discharge mode with respect to the auxiliary battery of the vehicle when the starting of the vehicle is detected to be off;
Controlling the on / off state of the internal heater on / off or the charge mode by comparing the current in-vehicle temperature value with a predetermined temperature value when performing the charge mode; And
And controlling an output of the main battery of the vehicle or the auxiliary battery of the vehicle by calculating the main battery of the vehicle and the auxiliary battery charging capacity of the vehicle at the time of performing the discharge mode. The method of claim 9,
Controlling the on / off state of the internal heater on / off or charging mode by comparing the current in-vehicle temperature value with a preset temperature value when performing the charge mode includes the steps of: detecting a current temperature value in the vehicle; A step of turning on the internal heater when the temperature value is equal to or less than the predetermined first temperature value and turning off the internal heater when the in-vehicle temperature value is equal to or higher than a predetermined second temperature value; And turning on the charging mode when the in-vehicle temperature value is equal to or higher than a predetermined fourth temperature value. The method of claim 9,
The step of calculating the main battery of the vehicle and the auxiliary battery charging capacity of the vehicle and controlling the output of the main battery of the vehicle or the auxiliary battery of the vehicle at the time of performing the discharging mode includes the steps of: Calculating a total usable time of the main battery and the auxiliary battery of the vehicle, setting the auxiliary battery output of the vehicle when the auxiliary battery charging capacity of the vehicle remains, And setting the output of the main battery of the vehicle on the basis of the available time of the main battery of the vehicle. The method of claim 11,
The step of calculating the main battery charging capacity of the vehicle, the auxiliary battery charging capacity of the vehicle, and the total usable time of the main battery and the auxiliary battery of the vehicle may be determined by comparing the charging capacity of the main battery of the vehicle and the maximum chargeable capacity, Calculates the chargeable capacity of the auxiliary battery of the vehicle and the maximum chargeable capacity of the vehicle to calculate the usable time of the auxiliary battery of the vehicle, And calculating a usable total time of the main battery and the auxiliary battery of the vehicle by summing the usable time. The method of claim 12,
Calculating a secondary battery maximum chargeable capacity of the calculated vehicle in a step of calculating a total chargeable capacity of the main battery of the vehicle, an auxiliary battery charging capacity of the vehicle, and a usable total time of the main battery and the auxiliary battery of the vehicle, And the available time of the auxiliary battery of the vehicle is calculated by using the preset consumption current value according to the defined capacity value and the predetermined capacity value.
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