KR101612786B1 - Battery controlling apparatus and method thereof - Google Patents

Abstract

The present invention relates to a battery control apparatus and method for charging a battery based on state information of the battery when the battery control apparatus maintains an off state for a long period of time. To this end, the battery control apparatus according to the present invention includes: a detector for detecting a first charged state and a first temperature information of a battery when an event is generated; A communication unit for transmitting the detected first charging state and the first temperature information to an external terminal connected to the communication and receiving a control signal transmitted from the external terminal; And a controller for controlling charging of the battery based on the received control signal.

Battery, charging, car

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a battery control apparatus,

The present invention relates to a battery control apparatus and a method thereof.

In general, a battery control device (particularly, a battery control device of an automobile) is a device for uniformly maintaining the voltage of each battery cell in order to improve the stability and life of the battery cell and obtain high output.

It is an object of the present invention to provide a battery control device and a method thereof for charging a battery using information on the state of charge and ambient temperature of the battery.

It is another object of the present invention to provide a battery control apparatus and method for preventing natural discharge of a battery by using information on the state of charge and ambient temperature of the battery.

According to an aspect of the present invention, there is provided a battery control apparatus comprising: a detector for detecting a first charged state and a first temperature information of a battery when an event is generated; A communication unit for transmitting the detected first charging state and the first temperature information to an external terminal connected to the communication and receiving a control signal transmitted from the external terminal; And a controller for controlling charging of the battery based on the received control signal.

The event may be triggered when the power of the battery control apparatus provided with the control unit is turned off, when the vehicle equipped with the battery control apparatus is turned off, and when any system equipped with the battery control apparatus is powered off Or the like.

Wherein the control signal is a signal indicating that the second state detected by the detection unit in response to the battery state information request message transmitted from the external terminal after a first period calculated based on the first state of charge and the first temperature information has elapsed, And information for charging the battery when the second state of charge is less than the threshold value as a result of the comparison.

The control unit charges the battery using an auxiliary battery based on the control signal.

The control unit drives the power generation unit based on the control signal and charges the battery using the electric energy generated by the power generation unit.

The control unit charges the battery using a power source supplied from a battery or a charging station included in an arbitrary battery control device connected to the battery, based on the control signal.

According to an aspect of the present invention, there is provided a battery control method comprising: detecting a first charged state and a first temperature information of a battery when an event is generated; Transmitting the first charged state and the first temperature information of the detected battery to a communication-connected external terminal; After the first period calculated based on the first charging state and the first temperature information has elapsed, the second charging state and the second temperature information of the battery are detected in response to the battery state information request message transmitted from the external terminal ; Transmitting the second charged state and the second temperature information of the detected battery to the external terminal; Receiving a control signal transmitted from the external terminal; And controlling charging of the battery based on the received control signal.

The event may be triggered when the power of the battery control apparatus provided with the control unit is turned off, when the vehicle equipped with the battery control apparatus is turned off, and when any system equipped with the battery control apparatus is powered off Or the like.

The first period is calculated by adding previously stored time information corresponding to the first charged state and the first temperature information based on the current time.

The control signal is generated including information for charging the battery when the second charging state is compared with a predetermined threshold value and the second charging state is lower than the threshold value as a result of the comparison.

The step of controlling the charging of the battery charges the battery using the auxiliary battery based on the control signal.

The step of controlling the charging of the battery drives the power generating unit based on the control signal and charges the battery using the electric energy generated by the power generating unit.

The step of controlling the charging of the battery charges the battery using a power source supplied from a battery or a charging station included in an arbitrary battery control device connected to the battery based on the control signal.

A battery control apparatus and method according to an embodiment of the present invention includes a battery included in an auxiliary battery, a power generating unit, a battery included in an arbitrary battery control apparatus, and a battery included in an arbitrary battery control apparatus based on a control signal generated using information on a state of charge and ambient temperature of the battery. The charging state of the battery can be kept constant by charging the battery using a charging station or the like.

The battery control apparatus and method according to an embodiment of the present invention may further include a battery control unit that generates a battery control signal based on a control signal generated using information on a state of charge and ambient temperature of the battery, The battery is charged by using a battery, a charging station, or the like, and natural discharge of the battery can be prevented.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and a duplicate description thereof will be omitted.

1 is a view showing a battery of an electric vehicle for explaining an embodiment of the present invention. The battery control apparatus and method of the present invention can be applied to a variety of electric / electronic (electronic) devices such as an internal battery (ICV), a pure electric vehicle (EV), a hybrid electric vehicle Device.

As shown in Fig. 1, an electric vehicle 1 includes a battery 2 that supplies power to a motor. For example, a hybrid vehicle mounts a battery pack composed of a plurality of battery cells to receive a required power. A plurality of battery cells included in the battery pack need to uniformize the voltage of each battery cell in order to obtain safety, life span, and high output. The battery control device allows each battery to have an appropriate voltage while charging or discharging the batteries of the battery pack. On the other hand, in a battery management system, it is difficult to stably maintain the equilibrium state due to various factors such as a change in the internal impedance of the plurality of battery cells. Therefore, the battery management system has a balancing function for equilibrating the charged states of a plurality of battery cells.

For example, due to the difference in the self-discharge rate of the battery cells in the battery pack, there arises a difference in the state of charge (SOC) between the battery cells in the battery pack over time. In order to overcome the capacity imbalance between the battery cells, a separate circuit is provided to boost and / or buck the battery cells.

2 is a diagram showing a configuration of a hybrid electric vehicle for explaining an embodiment of the present invention. The battery control apparatus and method of the present invention are applicable not only to hybrid electric vehicles, but also to pure electric vehicles and general automobiles.

2, the hybrid electric vehicle includes an engine 101 and a motor / generator unit (hereinafter referred to as "M / G unit") 102 as a power source. The driven wheel driven by the power source is a front-wheel in a front-wheel drive vehicle and a rear-wheel in a rear-wheel drive vehicle. In the following, the all-wheel-drive vehicle will be described. The embodiment of the rear-wheel drive vehicle is apparent from the following description of the all-wheel-drive vehicle.

The M / G unit 102 is a device that selectively functions as a motor or a generator depending on the driving state, and is apparent to those skilled in the art. Therefore, in the following description, the M / G unit 102 can be used as a motor or a generator for the sake of understanding, but all refer to the same components. The engine 101 and the motor 102 of the electric vehicle are connected in series to a transmission.

The M / G unit 102 is driven by a signal of an inverter 104 under the control of a motor control unit (MCU) 103.

The inverter 104 drives the M / G unit 102 as a power source by using the electric energy stored in the battery 105 under the control of the MCU 103, G unit 102 to the battery 105 when the generator 105 is driven by the generator.

The power of the engine 101 and the M / G unit 102 is transmitted to the transmission (T / M) 107 via the clutch 106, and the final drive gear (F / R) 108 to the front wheels 109. [ The rear wheel 110 is a non-driving wheel that is not driven by the engine 101 and the M / G unit 102.

Each of the front wheel 109 and the rear wheel 110 is provided with a wheel brake apparatus 111 for reducing the rotational speed of each wheel. The electric vehicle further includes a hydraulic braking device 111 for driving the wheel brake device 111 based on the hydraulic pressure generated by the operation of the brake pedal 112 and the brake pedal 112, And a hydraulic control system 113 for controlling the hydraulic pressure. The electric vehicle includes a brake control unit (BCU) 114 for controlling the hydraulic control system 113 and receiving a brake control state from the hydraulic control system 113, .

The BCU 114 detects the hydraulic pressure generated in the hydraulic control system 113 when the brake pedal 112 is operated by the driver. Based on this, the BCU 114 calculates a braking force to be applied to a drive wheel (for example, the front wheel 109), a hydraulic braking force to be braked by the intermediate hydraulic pressure, and a regenerative braking force to be braked by regenerative braking. The BCU 114 supplies the calculated hydraulic braking force to the wheel brake unit 111 of the front wheel 109 through the control of the hydraulic pressure control system 113. [

The electric vehicle is a hybrid electric vehicle electronic control unit (ECU) implementing an electric vehicle that communicates with and controls the BCU 114 and the MCU 103 to perform a maximum speed limiting method. (Hereinafter referred to as "HEV-ECU"

The regenerative braking force calculated by the BCU 114 is transmitted to the HEV-ECU 115 so that the HEV-ECU 115 controls the MCU 103 based on the received regenerative braking force. Accordingly, the MCU 103 drives the M / G unit 102 as a generator so that the regenerative braking force designated by the HEV-ECU 115 is realized. At this time, the electric energy generated by the M / G unit 102 is stored in the battery 105.

The electric vehicle further includes a vehicle speed detector (116) for detecting a vehicle speed.

The HEV-ECU 115 utilizes the vehicle speed detected by the vehicle speed detector 116 as data for controlling the BCU 114 and the MCU 103.

The electric vehicle further includes a battery voltage detector 117 for detecting the voltage of the battery 105. The battery voltage detector 117 detects the current voltage of the battery 105 and controls the HEV-ECU 115 to limit the maximum speed of the electric vehicle according to a deviation between the detected current voltage and a preset reference voltage Provide the resulting data to enable.

On the other hand, an electric vehicle uses a battery to drive a motor, and the lifetime of the battery is an important part in an electric vehicle. The battery voltage of the battery cell changes slightly over time. This imbalance is one of the important factors to reduce battery life. Most electric vehicles must continuously perform cell balancing in order to prevent imbalance between these cells and to prolong the life of the battery. The cell balancing is a method of connecting a small load to a battery cell having a high voltage and discharging the current to equalize the voltages with other cells.

3 is a block diagram showing the configuration of a battery control apparatus according to the first embodiment of the present invention. As shown in FIG. 3, the battery control apparatus 300 includes a battery 310, a detection unit 320, 330, a power generating unit 340, a control unit 350, a storage unit 360, and a communication unit 370.

The battery 310 may be constituted by a single device or a plurality of batteries form one pack (battery pack).

In addition, when the plurality of batteries are provided, the batteries 310 may be connected in series with each other, and one or more safety switches may be included between the plurality of batteries.

The detection unit 320 detects the state of charge (SOC) of the battery 310 in real time.

The detection unit 320 detects the voltage and / or the current of each cell of the battery 310 in real time.

The detection unit 320 may detect the temperature of the battery 310 or the ambient temperature of the battery 310 or the external environment of the battery control apparatus 300, (Or detects) the internal temperature information.

For example, when the battery control device 300 is provided in the vehicle, the detection unit 320 may be provided at a predetermined position of the vehicle to measure temperature information of the inside / outside of the vehicle.

The auxiliary battery 330 may be constituted by a single device or a plurality of batteries form one pack (battery pack).

The plurality of batteries may be connected to each other in series when the plurality of batteries are provided, and one or more safety switches may be included between the plurality of batteries.

The auxiliary battery 330 is connected to the battery 310 through the control unit 350 based on the control signal received through the communication unit 370, Charge.

The auxiliary battery 330 may be configured to select an appropriate voltage and / or a desired current to be supplied to the battery 310 under the control of the controller 350 at the time of charging, A current is supplied to the battery 310 to charge the battery 310.

The power generation unit 340 generates electric energy using fuel such as gasoline.

The power generation unit 340 generates the electric energy by controlling the control unit 350 based on the control signal received through the communication unit 170 through a DC-DC converter (not shown) Converts the voltage into a voltage corresponding to the rated capacity of the battery 310, and supplies the converted voltage to the battery 310. [ Accordingly, the battery 310 is charged with an appropriate voltage required for the battery 310.

The control unit 350 executes an overall control function of the battery control device 300. [

When the power of the battery control device 300 is turned off or when the vehicle equipped with the battery control device 300 is turned off or the battery control device 300 The controller 310 generates a control signal for detecting the charged state and the temperature information of the battery 310 and outputs the generated control signal to the detector 320.

The control unit 350 may be configured to determine the state of charge of the battery 310 detected by the detection unit 320 and the temperature information of the battery 310 stored in the storage unit 360, And transmits the status information to an external terminal (not shown) connected through the communication unit 370. In addition, the external terminal transmits the status information of the received battery to a server (not shown) connected using a wire / wireless communication method. At this time, the server may be a specific terminal, an information providing center, a call center, or the like.

When the controller 350 receives the battery status information request message transmitted from the server through the external terminal, the controller 350 controls the detector 320 to detect the state of charge of the battery 310 and the ambient temperature information And transmits the detected charging state and ambient temperature information corresponding to the received battery state information request message to the server through the external terminal.

The control unit 350 controls the charging of the battery 310 using the auxiliary battery 330 or the power generation unit 340 based on the control signal transmitted from the server through the external terminal do. At this time, the control signal is generated by the server, compares the state of charge to a predetermined threshold value, and when the state of charge is less than the preset threshold value, charging the battery 310 Lt; / RTI >

Also, the control unit 350 may supply a battery or a charging station provided in an arbitrary battery control device connected to the battery control device 300 based on a control signal transmitted from the server through the external terminal The battery 310 may be charged using a power source.

The control unit 350 may control the charging state SOC of the battery 310 when the charging process of the battery 310 is in progress using the auxiliary battery 330 or the power generating unit 340. [ And generates a control signal for stopping the charging of the battery 310 when the state of charge of the battery 310 is equal to or greater than a preset reference value. Based on the generated control signal, 310).

When the charging of the battery 310 is completed by the control signal transmitted from the server and the charging of the battery 310 is completed, the controller 350 controls the battery 310 And information on the state of charge and ambient temperature of the detected battery is transmitted to the server through the external terminal.

The storage unit 360 stores various user interfaces (UI) and / or a graphical user interface (GUI).

The storage unit 360 stores data and programs necessary for the battery control device 300 to operate.

The storage unit 360 stores status information of the battery 310. The state information of the battery 310 includes unique information of the battery 310 and information detected by the detecting unit 320 (including a state of charge, a voltage value, a current value, and temperature information) . The unique information of the battery 310 includes a rated capacity, a rated voltage, a rated current, and the like of the reference battery.

The storage unit 360 stores control signals transmitted from an external terminal and received through the communication unit 370.

Also, the storage unit 360 stores data (including various information, control signals, etc.) transmitted from a server connected by wire / wireless communication.

The communication unit 370 includes at least one component that enables communication between the battery control device 300 and an arbitrary external terminal using a CAN (Controller Area Network) or a local area network can do. At this time, the external terminal may be a mobile terminal, a telematics terminal, a smart phone, a portable terminal, a personal digital assistant (PDA), a portable multimedia player (PMP) ) Terminal, a computer, a WiBro terminal, an IPTV (Internet Protocol Television) terminal, a navigation terminal, an AVN (Audio Video Navigation) terminal, an A / V . Further, the external terminal may be provided in any vehicle having any battery.

Also, the external terminal receives a control signal transmitted in the form of voice data or SMS (Short Message Service) from a server such as a specific terminal, an information providing center or a call center connected to each other by a homogeneous or heterogeneous communication method .

In addition, the external terminal may transmit status information of the battery 310 transmitted from the battery control device 300 in response to a signal (e.g., a battery status information request message) To the server.

The communication unit 370 receives the control signal transmitted from the external terminal and outputs the received control signal to the storage unit 360 or the control unit 350. At this time, the control signal includes information for controlling the charging of the battery 310.

The communication unit 370 may communicate with the battery control device 300 and the arbitrary terminal or between the battery control device 300 and the network where the battery control device 300 is located, And may include one or more components that perform wireless communication.

In addition, the communication unit 370 may include a wireless Internet module or a local area communication module. Herein, the wireless Internet technologies include a wireless LAN (WLAN), a Wi-Fi, a wireless broadband (Wibro), a World Interoperability for Microwave Access (Wimax) Packet Access, Long Term Evolution (LTE), IEEE 802.16, and Wireless Mobile Broadband Service (WMBS). The local area communication technology may include Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like.

The communication unit 370 may include an interface unit (not shown) that functions as an interface with all external devices connected to the battery control device 300. For example, the interface unit may include a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, O (input / output) port, a video I / O (input / output) port, and an earphone port. Here, the identification module is a chip for storing various information for authenticating the usage right of the battery control device 300, and includes a user identification module (UIM), a subscriber identity module (SIM) A Universal Subscriber Identity Module (USIM), and the like. In addition, the device having the identification module (hereinafter, referred to as 'identification device') can be manufactured in a smart card format. Accordingly, the identification module can be connected to the battery control device 300 through a port. The interface unit receives data from an external device or receives power and transmits the data to each component in the battery control device 300 or data in the battery control device 300 is transmitted to an external device.

When the battery control apparatus 300 is connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the battery control apparatus 300, or various commands A signal may be transmitted to the battery control device 300. The various command signals or the power source inputted from the cradle may be operated as a signal for recognizing that the battery control device 300 is correctly mounted on the cradle.

The battery control apparatus 300 may further include a display unit (not shown) and an audio output unit (not shown).

The display unit may display various contents such as various menu screens by using the user interface and / or graphical user interface included in the storage unit 360 under the control of the controller 350. [ Here, the content displayed on the display unit includes various text or image data (including various information data), a menu screen including data such as an icon, a list menu, and a combo box.

The display unit may display the state information of the battery 310 including the state of charge (SOC) of the battery 310 detected by the detection unit 320 under the control of the controller 350, 370, a communication connection state with any of the external terminals, status information on charging when the battery 310 is charged, or a state of charge (SOC) of the battery.

The display unit may be a liquid crystal display (LCD), a thin film transistor liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display Display, a 3D display, and a light emitting diode (LED).

According to an embodiment of the battery control apparatus 300, there may be two or more display units. For example, the plurality of display portions may be spaced apart from one another (on the same surface) or arranged integrally with the battery control device 300, and may be disposed on different surfaces, respectively.

On the other hand, in the case where a sensor (hereinafter, referred to as 'touch sensor') that detects a touch operation with the display unit has a mutual layer structure (hereinafter referred to as a 'touch screen'), Can be used. The touch sensor may take the form of, for example, a touch film, a touch sheet, a touch pad, a touch panel, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit or a capacitance occurring in a specific portion of the display unit into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch. If there is a touch input to the touch sensor, the corresponding signal (s) is sent to a touch controller (not shown). The touch controller processes the signal (s) and then transmits the corresponding data to the controller 350. Thus, the control unit 350 can know which area of the display unit is touched or the like.

The proximity sensor may be disposed within an area of the battery control device 300 that is enclosed by the touch screen or near the touch screen. The proximity sensor refers to a sensor that detects the presence of an object approaching a predetermined detection surface or an object existing in the vicinity thereof without mechanical contact by using an electromagnetic force or an infrared ray. The proximity sensor has a longer lifetime and higher utilization than the contact-type sensor.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch" The act of actually touching the pointer on the screen is called "Contact Touch ". A position where the pointer is proximally touched on the touch screen means a position where the pointer corresponds to the touch screen vertically when the pointer is touched.

Further, the proximity sensor detects a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

In this way, when the display unit is used as an input device, a command or a control signal can be received by an operation such as receiving a button operation by a user or touching / scrolling a displayed screen.

The voice output unit outputs voice information included in a signal subjected to a predetermined signal processing by the control unit (350). Here, the audio output unit may be a speaker.

The sound output unit may output the state information of the battery 310 including the state of charge (SOC) of the battery 310 detected by the detection unit 320 under the control of the controller 350, A control signal received through the external terminal 370, a communication connection state with any of the external terminals, state information on charging when the battery 310 is charged, or a state of charge (SOC) of the battery.

Hereinafter, a battery control method according to the present invention will be described in detail with reference to FIG. 3 to FIG.

4 is a flowchart illustrating a battery control method according to the first embodiment of the present invention.

First, the control unit 350 determines whether the battery control apparatus 300 is powered off, when the vehicle equipped with the battery control apparatus 300 is turned off, and when the battery control apparatus 300 is provided A control signal for detecting the state of charge of the battery 310 and the ambient temperature of the battery control device 300 (the vehicle or the system) when at least one event of the power off of the system is generated And outputs the generated signal to the detection unit 320.

Then, the detector 320 detects the state of charge (SOC) and ambient temperature of the battery 310 based on the control signal generated by the controller 350.

The detecting unit 320 detects a voltage and / or a current of each cell of the battery 310 and calculates the charging state based on the detected voltage value and / or current value (S410).

Thereafter, the control unit 350 performs communication connection with any external terminal adjacent to the battery control device 300 through the communication unit 370. The communication between the communication unit 370 and the arbitrary external terminal may be performed through a measurement controller communication network (CAN), or a communication method of Bluetooth, RFID, infrared communication, UWB, or Zigbee Lt; / RTI >

The control unit 350 then stores the unique information of the battery 310 previously stored in the storage unit 360 together with the charged state and the ambient temperature information of the battery 310 detected by the detection unit 320, And transmits it to the external terminal through the communication unit 370. At this time, the unique information of the battery includes a rated capacity, a rated voltage, a rated current, and the like of the reference battery. In addition, the external terminal transmits status information of the received battery to a server such as an information providing center or a call center connected by a wire / wireless communication method (S420).

The control unit 350 then controls the detecting unit 320 based on the battery status information request message received through the communication unit 370 to detect the charging status and the ambient temperature information of the battery 310. [ At this time, the battery status information request message is generated by the server and transmitted to the communication unit 370 through the external terminal.

Then, the control unit 350 transmits the detected charging state and ambient temperature information to the external terminal. In addition, the external terminal transmits the charging status and ambient temperature information of the received battery to the server (S430).

The controller 350 then controls the auxiliary battery 330 or the power generator 340 to charge the battery 310 based on the first control signal received through the communication unit 370. At this time, the first control signal is generated by the server communicatively connected to the external terminal, and based on the information on the state of charge and ambient temperature of the battery 310, the state of charge of the battery 310 is set to a predetermined threshold value The control information generated to charge the battery 310 is included.

The control unit 350 may be configured to control the battery control unit 300 based on the first control signal received through the communication unit 370 from a battery or a charging station provided in an arbitrary battery control device connected to the battery control unit 300 The battery 310 may be charged using a power source.

When the battery 310 is being charged, the control unit 350 determines whether the battery 310 is being charged or information indicating that the battery 310 is being charged (for example, May be output through a display unit (not shown) and / or an audio output unit (not shown) (S440).

The control unit 350 checks the charging state of the battery 310 through the detection unit 320 when the charging process of the battery 310 is in operation S450, When the state exceeds a preset reference value, charging of the battery 310 is stopped.

For example, when the battery 310 is being charged, the control unit 350 determines that the charged state of the battery 310 is a predetermined reference value (for example, 30% of the rated capacity of the battery 310) If the battery 310 is exceeded, the charging of the battery 310 is stopped (S460).

The control unit 350 then controls the detecting unit 320 to detect the charged state and the ambient temperature information of the battery 310 and transmits the detected charging state and ambient temperature information to the external terminal do. In addition, the external terminal transmits the charging status and ambient temperature information of the received battery to the server (S470).

5 is a signal flow diagram illustrating a communication process of the battery control system according to the first embodiment of the present invention.

First, the battery control device 300 determines whether the battery control device 300 is powered off, when the vehicle equipped with the battery control device 300 is turned off, When the at least one event occurs, the charging state of the battery 310 and the ambient temperature of the battery control device 300 (the vehicle or the system) are detected (SP510 ).

Then, the battery control device 300 transmits the status information of the battery including the detected information (including the charging state and the temperature information) and the unique information of the battery to the external terminal 400 communicatively connected. At this time, the unique information of the battery includes a rated capacity, a rated voltage, a rated current, and the like of the reference battery.

The external terminal 400 may be any one of a mobile terminal, a telematics terminal, a smart phone, a portable terminal, a personal information terminal, a PMP terminal, a computer, a WiBro terminal, an IPTV terminal, a navigation terminal, an AVN terminal, Of the terminal.

In addition, the battery control apparatus 300 and the external terminal 400 may be interconnected by using a measurement controller communication network (CAN) or a local area network. At this time, the local area network may be any one of Bluetooth, RFID, infrared communication, UWB, and ZigBee.

Then, the external terminal 400 transmits the received state information of the battery to a server 500 such as a specific terminal, a call center, or an information providing center connected to each other by a homogeneous or heterogeneous communication method. At this time, the external terminal 400 and the server 500 may be interconnected by a wire / wireless communication method. That is, the external terminal 400 and the server 500 are connected to a wireless Internet technology such as a wireless LAN, a WiFi, a WiBro, a WiMAX, a HSPDA, a Long Term Evolution, an IEEE 802.16, a broadband wireless mobile communication service, (SP520).

Thereafter, the server 500 calculates a first duration to confirm the next state of charge of the battery 310 based on the received state information of the battery.

For example, the server 500 may determine that the charged state of the battery included in the received state information of the battery corresponds to 50% of the rated capacity of the reference battery, and the temperature information included in the received state information of the battery (E.g., a value corresponding to 10% of the rated capacity of the reference battery) stored in the server 500 when the temperature of the battery is equal to or higher than 30 DEG C, If the state of charge of the battery is greater than the first threshold value, the state of charge of the battery and the temperature information of the battery are reflected at a predetermined reference period (for example, 7 days) ≪ / RTI >

That is, when the state of charge of the battery is greater than the first threshold value, the server 500 sets the predetermined reference period to 7 days, the pre-stored 10 days corresponding to the charged state (50%) of the battery, The 24 day is calculated by summing the seven stored days corresponding to the temperature information (30 deg. C), and the calculated day is calculated based on the current time of the comparison time (for example, 2:00 pm on October 1, 2009) The first period is calculated as 2:00 pm on October 25, 2009, 24 days later. In addition, the first period may include information on the summed 24 days and current time information of the comparison time.

At this time, in the calculation of the first period, the first period is proportional to the charged state of the battery. That is, when the charging state of the battery is higher than the rated capacity of the reference battery in the calculation of the first period, the server 500 increases the period by reflecting the state of charge of the battery, When the state has a low ratio with respect to the rated capacity of the reference battery, the period can be reduced by reflecting the state of charge of the battery. For example, when the charging state of the battery is 80%, the server 500 calculates a first period, which is a pre-stored value corresponding to the charged state (80%) of the battery at the reference period 7 days, (30%) corresponding to the charged state (30%) of the battery is added to the reference period 7 when the charged state of the battery is 30%, and the first period Can be calculated. The pre-stored value corresponding to the charged state of the battery is a value set in proportion to the charged state of the battery.

Further, in the calculation of the first period, the first period is inversely proportional to the temperature information. That is, when the temperature information is high based on the temperature information, the server 500 reduces the period by reflecting the temperature information, and when the temperature information is low, the server 500 reflects the temperature information You can increase the period. For example, when the temperature information is 40 ° C, the server 500 adds 5 days, which is a pre-stored value corresponding to the temperature information (40 ° C), to the reference period 7 days, 1 period, and if the temperature information is 20 ° C, the first period can be calculated by adding 10 days, which is a pre-stored value corresponding to the temperature information (20 ° C), to the reference period 7 days. Here, the pre-stored values corresponding to the temperature information are values set inversely proportional to the temperature information (SP530).

Thereafter, the server 500 checks the calculated first period (SP540). If the current time information (including date and time information) is the same as the first period, the server 500 confirms the communication connection with the external terminal 400 (SP550).

After the communication connection, the server 500 transmits a battery status information request message to the external terminal 400 to request status information of the battery 310 (including a charging status).

Also, the external terminal 400 transmits a battery status information request message transmitted from the server 500 to the battery control device 300.

At this time, when the battery control device 300 is powered off, the external terminal 400 can remotely control the battery control device 300 to drive the battery control device 300 SP560).

Then, the battery control device 300 detects a charged state of the battery 310 and an ambient temperature of the battery control device 300 (the vehicle or the system) based on the received battery state information request message do.

In addition, the battery control device 300 transmits the detected charging state and ambient temperature information of the battery to the external terminal 400 in response to the received battery state information request message. Also, the external terminal 400 transmits the charged state and ambient temperature information of the battery, which is transmitted from the battery control device 300, to the server 500 (SP570).

Thereafter, the server 500 compares the charged state of the received battery with the pre-stored first threshold value (SP580). If the state of charge of the battery is less than the first threshold value as a result of the comparison, And generates a first control signal including information for controlling the charging of the battery 310. [

For example, when the charge state of the received battery corresponds to 5% of the rated capacity of the reference battery, the server 500 determines whether the charge state of the battery and the first threshold value (for example, And a first control signal for controlling charging of the battery is generated when the charging state of the battery is smaller than the first threshold value as a result of the comparison ).

Thereafter, the server 500 transmits the generated first control signal to the external terminal 400, and the external terminal 400 transmits the received first control signal to the battery control device 300 send.

When the external terminal 400 transmits the first control signal to the battery control device 300 and the battery control device 300 is powered off, The battery control apparatus 300 may be remotely controlled to drive the battery control apparatus 300 (SP 600).

The battery controller 300 then charges the battery 310 using the auxiliary battery 330 or the power generator 340 based on the received first control signal.

In addition, the battery control device 300 may supply power to the battery control device 300, which is connected to the battery control device 300, based on the received first control signal, So that the battery 310 can be charged.

Also, the battery control device 300 may check the charging state of the battery 310 in real time when the battery 310 is being charged, and may determine whether the charged state of the battery 310 is a preset reference value The first threshold value), the charging of the battery 310 is stopped.

For example, when the battery 310 is being charged, if the battery charge state exceeds 20% of the rated capacity of the reference battery, which is a preset reference value, (SP610).

When the charging of the battery 310 is completed normally, the battery control device 300 detects the charging state and the temperature information of the battery 310, and detects the charging state and the temperature information of the detected battery To the server (500) through the external terminal (400).

Thereafter, the server 500 performs the step of calculating the first period (step SP530) based on the received charge state and temperature information of the battery (SP620).

If the charging status of the battery received in response to the battery status information request message is equal to or greater than the first threshold value as a result of the comparison in step SP580, A second period for calculating the next charge state of the battery is calculated by reflecting the charge state and the temperature information of the battery received in response to the battery status information request message in the reference period.

In step SP630, the server 500 confirms the calculated second period and performs communication connection with the external terminal 400 (SP550) when the second period is reached.

If the power of the battery control device 300 is turned off or the vehicle having the battery control device 300 is turned off or the power of any system having the battery control device 300 is turned off, The charging state of the battery included in the battery control apparatus 300 and the ambient temperature information of the battery control apparatus 300 are transmitted to the server via the external terminal communicating with the server, The controller 300 generates a control signal for preventing a natural discharge of the battery in advance based on the state information of the battery and transmits the control signal to the battery controller 300. Based on the control signal, By charging the battery at the reference value or more, it is possible to prevent natural discharge for a battery that is left to stand for a long time.

6 is a block diagram showing the configuration of a battery control apparatus according to the second embodiment of the present invention. As shown in FIG. 6, the battery control apparatus 600 includes a first battery 610, a detection unit 620, 2 battery 630, a power generation unit 640, a control unit 650, a storage unit 660, and a communication unit 670.

The detecting unit 620 detects the state of charge of the first battery 610 in real time under the control of the controller 650.

The control unit 650 may be configured to control the battery control unit 600 when the battery control unit 600 is powered off or when the vehicle equipped with the battery control unit 600 is turned off, And outputs the generated control signal to the detection unit 620. The control unit 620 generates a control signal for detecting the state of charge of the first battery 610 and the temperature information of the first battery 610,

In addition, the controller 650 may include information on the state of charge and temperature of the battery detected by the detector 620 and unique information of the first battery 610 previously stored in the storage 660, And transmits the state information of the battery to an external terminal (not shown) connected through the communication unit 670.

When receiving the battery status information request message transmitted from the external terminal through the communication unit 670, the controller 650 controls the detection unit 620 to determine the state of charge of the first battery 610 And transmits the detected charging state and ambient temperature information corresponding to the received battery state information request message to the external terminal through the communication unit 670. [

The control unit 650 controls the charging of the first battery 610 using the second battery 630 or the power generation unit 640 based on the control signal transmitted from the external terminal . The control signal is generated by the external terminal and compares the state of charge with a preset threshold value. When the state of charge is less than the predetermined threshold value, the control signal is generated by the first battery 610 ) Of the control information.

In addition, the control unit 650 uses a power supplied from a battery or a charging station provided in an arbitrary battery control device connected to the battery control device 600 based on a control signal transmitted from the external terminal So that the first battery 610 may be charged.

When the first battery 610 is being charged using the second battery 630 or the power generator 640, the controller 650 may control the first battery 610 and the second battery 610, Generates a control signal for stopping the charging of the first battery 610 when the state of charge of the first battery 610 becomes equal to or greater than a preset reference value by checking the state of charge SOC in real time, The charging of the first battery 610 is stopped based on the control signal.

When the charging of the first battery 610 is completed by the control signal transmitted from the external terminal and the charging of the battery is terminated, the controller 650 controls the detector 620, Detects the charged state and the ambient temperature information of the first battery 610 and transmits the detected charging state and ambient temperature information to the external terminal through the communication unit 670. [

The communication unit 670 receives a control signal transmitted from the external terminal in the form of voice data or text data (SMS).

In response to the battery status information request message sent to the battery control device 600, the external terminal transmits the first status information of the first battery 610, which is transmitted from the battery control device 600, Generates a control signal for controlling the charging of the battery 610, and transmits the generated control signal to the communication unit 670.

The first battery 610, the detection unit 620, the second battery 630, the power generation unit 640, the control unit 650, the storage unit 660, (Or all) of the components of the battery control apparatus 670 may perform functions of components having similar functions in the battery control apparatus 300 of FIG.

That is, the first battery 610 may perform the function of the battery 310 of the battery control device 300, and the detection unit 620 may detect the function of the detection unit 320 of the battery control device 300 The second battery 630 may perform the function of the auxiliary battery 330 of the battery control device 300 and the power generation unit 640 may perform the functions of the battery control device 300, The control unit 650 can perform the function of the control unit 340 of the battery control device 300 and the storage unit 660 can perform the function of the battery control device 300. [ The communication unit 670 can perform the function of the storage unit 360 of the control device 300 and the communication unit 670 can perform the function of the communication unit 370 of the battery control device 300. [

The battery control device 600 may further include a display unit (not shown) and an audio output unit (not shown) described in the first embodiment.

Hereinafter, a battery control method according to the present invention will be described in detail with reference to FIGS. 6 to 8. FIG.

7 is a flowchart illustrating a battery control method according to a second embodiment of the present invention.

First, the control unit 650 determines whether the battery control apparatus 600 is powered off, when the vehicle equipped with the battery control apparatus 600 is turned off, and when the battery control apparatus 600 is provided A control for detecting the state of charge of the first battery 610 and the ambient temperature of the battery control device 600 (the vehicle or the system) when at least one of events when the system is powered off is detected And outputs the signal to the detector 620.

The detector 620 detects the state of charge (SOC) and the ambient temperature of the first battery 610 based on the control signal generated by the controller 650.

The detecting unit 620 may detect the voltage and / or the current of each cell of the first battery 610 and may determine the charging state based on the detected voltage value and / (S710).

Then, the control unit 650 communicates with any external terminal adjacent to the battery control device 600 through the communication unit 670. In this case, the communication between the communication unit 670 and the arbitrary external terminal may be performed through a measurement controller communication network (CAN), or a communication method of Bluetooth, RFID, infrared communication, UWB, or Zigbee Lt; / RTI >

The control unit 650 controls the first battery 610 stored in the storage unit 660 together with the charged state and the ambient temperature information of the first battery 610 detected by the detection unit 620, To the external terminal through the communication unit (670). At this time, the unique information of the battery includes the rated capacity of the reference battery, the rated voltage, the rated current, and the like (S720).

The control unit 650 controls the detecting unit 620 based on the battery status information request message received through the communication unit 670 to detect the charging state and the ambient temperature information of the first battery 610 do. At this time, the battery status information request message is generated by the external terminal and is transmitted to the communication unit 670.

Thereafter, the control unit 650 transmits the detected charging status and ambient temperature information to the external terminal (S730).

The control unit 650 controls the second battery 630 or the power generation unit 640 based on the first control signal received through the communication unit 670 to charge the first battery 610 . At this time, the first control signal is generated by the external terminal, and based on the charging state and the ambient temperature information of the first battery 610, the state of charge of the first battery 610 is less than a preset threshold value And control information generated for charging the first battery 610 when the first battery 610 is small.

In addition, the control unit 650 may control the battery control unit 600 based on the first control signal received through the communication unit 670 from a battery or a charging station provided in an arbitrary battery control unit connected to the battery control unit 600 The first battery 610 may be charged using the supplied power source.

When the first battery 610 is being charged, the control unit 650 determines whether the first battery 610 is being charged or information indicating that the first battery 610 is being charged (Not shown) and / or an audio output unit (not shown) (S740).

The control unit 650 checks the state of charge of the first battery 610 through the detection unit 620 when the charging process of the first battery 610 is in progress at step S750, The charging of the first battery 610 is stopped when the charged state of the battery exceeds the preset reference value.

For example, when the first battery 610 is being charged, the controller 650 controls the charging state of the first battery 610 based on a predetermined reference value (for example, the rated value of the first battery 610) 30% of the capacity), the charging of the first battery 610 is stopped (S760).

The control unit 650 controls the detecting unit 620 to detect the charging state and the ambient temperature information of the first battery 610 and inform the charging state and the ambient temperature information of the detected battery to the external terminal 610. [ (S770).

8 is a signal flow diagram illustrating a communication process of the battery control system according to the second embodiment of the present invention.

First, when the battery control device 600 is powered off, when the vehicle equipped with the battery control device 600 is turned off, and when the battery control device 600 is turned off, When at least one of the events occurs, the charging state of the first battery 610 and the ambient temperature of the battery control device 600 (the vehicle or the system) are detected (SP810).

Then, the battery control device 600 transmits the status information of the battery including the detected information (including the charging state and the temperature information) and the unique information of the battery to the external terminal 400 communicatively connected. At this time, the unique information of the battery includes a rated capacity, a rated voltage, a rated current, and the like of the reference battery.

The external terminal 400 may be any one of a mobile terminal, a telematics terminal, a smart phone, a portable terminal, a personal information terminal, a PMP terminal, a computer, a WiBro terminal, an IPTV terminal, a navigation terminal, an AVN terminal, Of the terminal.

In addition, the battery control apparatus 600 and the external terminal 400 can be interconnected by using a measurement controller communication network (CAN) or a local area network. At this time, the local area network may be any one of Bluetooth, RFID, infrared communication, UWB, and ZigBee. The battery control apparatus 600 and the external terminal 400 may be connected to each other using a wireless Internet technology such as a wireless LAN, WiFi, WiBro, WiMAX, HSPDA, Long Term Evolution, IEEE 802.16, Or may be interconnected (SP820).

Then, the external terminal 400 calculates a first period for confirming the charging state of the first battery 610 next time based on the received state information of the battery.

For example, the external terminal 400 may be configured such that the state of charge of the battery included in the received state information of the battery corresponds to 50% of the rated capacity of the reference battery, and the temperature information included in the received state information of the battery (For example, a value corresponding to 10% of the rated capacity of the reference battery) stored in the external terminal 400, and when the comparison result , And when the state of charge of the battery is greater than the first threshold value, the state of charge of the battery and the temperature information are reflected at a predetermined reference period (for example, seven days) And calculates a first period for confirmation.

In other words, when the state of charge of the battery is greater than the first threshold value, the external terminal 400 may perform a predetermined period of 7 days, which corresponds to the charged state (50%) of the battery, And 24 days is calculated by summing the seven stored days corresponding to the temperature information (30 DEG C), and based on the current time of the comparison time (for example, 2:00 pm on October 1, 2009) The first period is calculated as 2:00 pm on October 25, 2009, which is 24 days after the first day. In addition, the first period may include information on the summed 24 days and current time information of the comparison time.

At this time, in the calculation of the first period, the first period is proportional to the charged state of the battery. That is, when the charging state of the battery has a high ratio with respect to the rated capacity of the reference battery in the calculation of the first period, the external terminal 400 increases the period, The time period can be reduced when the ratio is low. For example, in the calculation of the first period, when the state of charge of the battery is 80%, the external terminal 400 stores the pre-stored value corresponding to the charged state (80%) of the battery in the reference period 7 (30%) corresponding to the charged state (30%) of the battery is added to the reference period (7 days) when the state of charge of the battery is 30% The period can be calculated. The pre-stored value corresponding to the charged state of the battery is a value set in proportion to the charged state of the battery.

Further, in the calculation of the first period, the first period is inversely proportional to the temperature information. That is, when calculating the first period, the external terminal 400 may reduce the period when the temperature information is high based on the temperature information, and increase the period when the temperature information is low. For example, when the temperature information is 40 ° C, the external terminal 400 adds 5 days, which is a pre-stored value corresponding to the temperature information (40 ° C), to the reference period 7 days, The first period may be calculated by adding 10 days, which is a pre-stored value corresponding to the temperature information (20 DEG C), to the reference period 7 when the temperature information is 20 DEG C. [ Here, the pre-stored value corresponding to the temperature information is a value set inversely proportional to the temperature information (SP830).

If the current time information (including date and time information) is the same as the first period, the external terminal 400 checks the calculated first period (SP840) and transmits the communication with the battery control device 600 (SP850).

After the communication connection, the external terminal 400 generates a battery status information request message for requesting status information (including a charging state) of the first battery 610, and transmits the generated battery status information request message To the battery control device (600).

The external terminal 400 can remotely control the battery control device 600 to operate the battery control device 600 when the battery control device 600 is powered off SP860).

Then, the battery control device 600 determines the state of charge of the first battery 610 and the ambient temperature of the battery control device 600 (the vehicle or the system) based on the received battery condition information request message .

Also, the battery control device 600 transmits the detected charging state and ambient temperature information to the external terminal 400 in response to the received battery state information request message (SP870).

Thereafter, the external terminal 400 compares the charged state of the battery with the pre-stored first threshold value (SP880), and if the state of charge of the battery is less than the first threshold value And generates a first control signal including information for controlling the charging of the first battery 610.

For example, when the state of charge of the received battery corresponds to 5% of the rated capacity of the reference battery, the external terminal 400 may compare the charged state of the battery with the first threshold (for example, Of the first battery 610), and when the state of charge of the battery is smaller than the first threshold value, a first control for controlling the charging of the first battery 610 Signal (SP890).

Then, the external terminal 400 transmits the generated first control signal to the battery control device 600.

When the external terminal 400 transmits the first control signal to the battery control device 600 and the battery control device 600 is powered off, The battery control device 600 may be remotely controlled to drive the battery control device 600 (SP900).

Thereafter, the battery control device 600 charges the first battery 610 using the second battery 630 or the power generation unit 640 based on the received first control signal.

In addition, the battery control device 600 may supply a power source, such as a battery or a charging station, provided in an arbitrary battery control device connected to the battery control device 600 based on the received first control signal So that the first battery 610 can be charged.

In addition, the battery control device 600 may check the charged state of the first battery 610 in real time while the first battery 610 is being charged, (Or the first threshold value), the charging of the first battery 610 is stopped.

For example, when the first battery 610 is being charged, if the charge state of the battery exceeds 20% of the rated capacity of the reference battery, which is a predetermined reference value, The charging of the battery 610 is stopped (SP910).

When the first battery 610 is normally charged, the battery control device 600 detects the charged state and the temperature information of the first battery 610, And temperature information to the external terminal (400).

Then, the external terminal 400 performs the step of calculating the first period (step SP830) based on the received charge state and temperature information of the battery (SP920).

If the battery state information received in response to the battery state information request message is greater than or equal to the first threshold value as a result of the comparison in step SP880, And calculates a second period for checking the next state of charge of the battery by reflecting the charge state and the temperature information of the battery received in response to the battery state information request message in the set reference period.

Then, the external terminal 400 confirms the calculated second period and performs a communication connection with the battery control device 600 (SP850) at the second period (SP950) .

9 is a block diagram showing the configuration of a battery control apparatus according to the third embodiment of the present invention. As shown in FIG. 9, the battery control apparatus 900 includes a battery 910, a detection unit 920, 930, a power generation unit 940, a control unit 950, a storage unit 960, and a communication unit 970.

The battery 910 may be constituted by a single device or a plurality of batteries form one pack (battery pack).

When the plurality of batteries are provided, the plurality of batteries may be connected in series with each other, and at least one safety switch may be included between the plurality of batteries.

The detection unit 920 detects the state of charge (SOC) of the battery 910 in real time.

The detecting unit 920 detects the voltage and / or the current of each cell of the battery 910 in real time.

The detection unit 920 may detect the temperature of the battery 910 (including the temperature in the battery 910 and the ambient temperature, etc.) or the external / (Or detects) the internal temperature information.

For example, when the battery control device 900 is provided in the vehicle, the detection unit 920 may be provided at a predetermined position of the vehicle to measure temperature information of the inside / outside of the vehicle.

The auxiliary battery 930 may be constituted by a single device or a plurality of batteries form one pack (battery pack).

When the plurality of batteries are provided, the auxiliary battery 930 may be connected in series with each other, and at least one safety switch may be included between the plurality of batteries.

The auxiliary battery 930 charges the battery 910 with the voltage charged in the auxiliary battery 930 based on the control signal generated by the controller 950. [

In addition, the auxiliary battery 930 may select an appropriate voltage and / or an appropriate current required for the battery 910 under the control of the controller 950 when charging the battery 930, To the battery 910 to charge the battery 910.

The power generation unit 940 generates electric energy using fuel such as gasoline.

The power generation unit 940 may generate the electric energy based on the control signal generated by the controller 950 through a DC-DC converter (not shown) to a rated capacity of the battery 910 Converts the voltage into a corresponding voltage, and supplies the converted voltage to the battery 910. Therefore, the battery 910 is charged with an appropriate voltage required for the battery 910.

The control unit 950 executes the overall control function of the battery control device 900.

When the power of the battery control device 900 is turned off or when the vehicle equipped with the battery control device 900 is turned off or when the battery control device 900 is turned off And generates a control signal for detecting the charged state and temperature information of the battery 910 and outputs the generated control signal to the detector 920. [

In addition, when the event occurs, the controller 950 switches the battery control device 300 to a standby mode. The voltage applied to the battery control device 300 may be the voltage of the battery 910 or the auxiliary battery 930 when the battery control device 300 is in the standby mode.

The control unit 950 calculates a first period for confirming the state of charge of the battery 910 on the basis of the charge state and the temperature information of the battery detected by the detection unit 920.

For example, the controller 950 compares the detected charge state of the battery with a pre-stored first threshold value (for example, a value corresponding to 10% of the rated capacity of the reference battery) And calculates a first period for checking the charging state of the next battery by reflecting the charged state and the temperature information of the battery in a predetermined reference period when the charged state of the battery is greater than the first threshold value.

If the current time information (including date and time information) is the same as the first period, the controller 950 controls the detecting unit 920 so that the battery The charging state and the ambient temperature information of the battery 910 are detected.

The control unit 950 generates a first control signal for controlling the charging of the battery 910 when the detected state of charge of the battery in the standby mode is less than the first threshold value.

The control unit 950 controls the auxiliary battery 930 or the power generation unit 940 based on the generated first control signal to charge the battery 910.

In addition, the controller 950 may use a power supplied from a battery or a charging station provided in an arbitrary battery controller connected to the battery controller 900 based on the generated first control signal , The battery 910 may be charged.

The control unit 950 controls the charging state SOC of the battery 910 when the charging process of the battery 910 is in progress using the auxiliary battery 930 or the power generation unit 940. [ And generates a control signal for stopping the charging of the battery 910 when the state of charge of the battery 910 is equal to or greater than a preset reference value. Based on the generated control signal, 910).

The controller 950 controls the detecting unit 920 to detect the charged state and the ambient temperature information of the battery 910 when charging of the battery 910 is completed in the standby mode.

The controller 950 calculates the first period based on the detected charge state of the battery and the ambient temperature information, checks whether the calculated first period has arrived, In the standby mode.

9 (a) and 9 (b), part or all of the configurations of the storage unit 960 and the communication unit 970 described above with reference to FIG. 9 are the same as those of the battery control apparatus 300 of FIG. Function may be performed.

That is, the storage unit 960 can perform the function of the storage unit 360 of the battery control device 300, and the communication unit 970 can communicate with the function of the communication unit 370 of the battery control device 300 Can be performed.

The battery control device 900 may further include a display unit (not shown) and an audio output unit (not shown) described in the first embodiment.

Hereinafter, a battery control method according to the present invention will be described in detail with reference to FIGS. 9 to 10. FIG.

10 is a flowchart illustrating a battery control method according to a third embodiment of the present invention.

First, the control unit 950 determines whether the battery control device 900 is powered off, when the vehicle equipped with the battery control device 900 is turned off, and when the battery control device 900 is installed A control signal for detecting a state of charge of the battery 910 and an ambient temperature of the battery control device 900 (the vehicle or the system) when at least one of events when the system is powered off is generated And outputs it to the detector 920.

In addition, the controller 950 switches the battery control device 900 to the standby mode when the event occurs.

For example, the controller 950 controls the battery control device 900 to be in a standby mode by using the battery 910 or the auxiliary battery 930 when the battery control device 900 is powered off And generates a control signal for detecting the state information of the battery.

The detector 920 detects the state of charge (SOC) and ambient temperature of the battery 910 based on the control signal generated by the controller 950.

The detecting unit 920 detects voltage and / or current of each cell of the battery 910 and calculates the charging state based on the detected voltage value and / or current value (S1010).

Thereafter, the controller 950 calculates a first period for confirming the next state of charge of the battery 910 based on the detected charge state and temperature information of the battery.

For example, when the charged state of the battery corresponds to 50% of the rated capacity of the reference battery previously stored in the storage unit 960 and the temperature information is 30 ° C, the control unit 950 controls the charging state of the battery (For example, a value corresponding to 10% of the rated capacity of the reference battery) stored in the storage unit 960, and if the state of charge of the battery is less than the first threshold The first period for calculating the next charge state of the battery is calculated by reflecting the charge state of the battery and the temperature information at a predetermined reference period (for example, 7 days).

In other words, when the state of charge of the battery is greater than the first threshold value, the control unit 950 sets the predetermined reference period to 7 days, the pre-stored 10 days corresponding to the charged state (50% The 24 day is calculated by summing the seven stored days corresponding to the temperature information (30 deg. C), and the calculated day is calculated based on the current time of the comparison time (for example, 2:00 pm on October 1, 2009) The first period is calculated as 2:00 pm on October 25, 2009, 24 days later. In addition, the first period may include information on the summed 24 days and current time information of the comparison time.

At this time, in the calculation of the first period, the first period is proportional to the charged state of the battery. That is, when the charging state of the battery has a high ratio to the rated capacity of the reference battery in the calculation of the first period, the controller 950 increases the period by reflecting the state of charge of the battery, When the state has a low ratio with respect to the rated capacity of the reference battery, the period can be reduced by reflecting the state of charge of the battery. For example, when the charging state of the battery is 80%, the control unit 950 calculates the first period, which is a pre-stored value corresponding to the charged state (80%) of the battery in the reference period 7 days, (30%) corresponding to the charged state (30%) of the battery is added to the reference period 7 when the charged state of the battery is 30%, and the first period Can be calculated. The pre-stored value corresponding to the charged state of the battery is a value set in proportion to the charged state of the battery.

Further, in the calculation of the first period, the first period is inversely proportional to the temperature information. That is, when the temperature information is high based on the temperature information, the controller 950 reduces the period by reflecting the temperature information, and when the temperature information is low, the controller 950 reflects the temperature information You can increase the period. For example, when the temperature information is 40 ° C, the controller 950 adds 5 days, which is a pre-stored value corresponding to the temperature information (40 ° C), to the reference period 7 days, 1 period, and if the temperature information is 20 ° C, the first period can be calculated by adding 10 days, which is a pre-stored value corresponding to the temperature information (20 ° C), to the reference period 7 days. Here, the pre-stored value corresponding to the temperature information is a value set inversely proportional to the temperature information (SP1020).

Thereafter, the controller 950 checks the calculated first period in the standby mode (SP1030). When the current time information becomes the first period, the controller 950 controls the detector 920 to control the battery 910 And the ambient temperature of the battery control device 900 (the vehicle or the system) (SP1040).

Thereafter, the control unit 950 compares the charged state of the battery detected in the standby mode state with the pre-stored first threshold value (SP1050), and if the state of charge of the battery is less than the first threshold A first control signal including information for controlling the charging of the battery 910 is generated.

For example, when the charge state of the battery detected in the standby mode corresponds to 5% of the rated capacity of the reference battery, the control unit 950 controls the charge state of the battery and the first threshold value A first control signal for controlling the charging of the battery when the charging state of the battery is less than the first threshold value, (SP1060).

The control unit 950 then charges the battery 910 using the auxiliary battery 930 or the power generation unit 940 based on the generated first control signal.

In addition, the controller 950 may use a power supplied from a battery or a charging station provided in an arbitrary battery controller connected to the battery controller 900 based on the generated first control signal , The battery 910 may be charged.

The battery control device 900 may check the charged state of the battery 910 in real time when the battery 910 is being charged and may determine whether the charged state of the battery is a preset reference value The first threshold value), the charging of the battery 910 is stopped.

For example, when the battery 910 is being charged, if the state of charge of the battery exceeds 20% of the rated capacity of the reference battery, which is a preset reference value, the battery control device 900 controls the battery 910, (SP1070).

The control unit 950 controls the detecting unit 920 to detect the charging state and the temperature information of the battery 910 when the battery 910 is normally charged in the standby mode.

In addition, the controller 950 performs the step of calculating the first period (step SP1020) based on the detected charge state and the temperature information (step SP1080).

If the state of charge of the battery detected in the standby mode is greater than or equal to the first threshold value as a result of the comparison in step SP1050, The charging state of the battery and the temperature information of the battery are reflected to calculate a second period for confirming the next charging state of the battery.

The server 500 checks the calculated second period and controls the detecting unit 920 to determine the state of charge of the battery 910 and the state of charge of the battery control apparatus 900, (SP1040) of detecting the ambient temperature of the vehicle (the vehicle or the system) (SP1090).

If the power of the battery control device 300 is turned off or the vehicle having the battery control device 300 is turned off or the power of any system having the battery control device 300 is turned off, The battery control device 300 maintains the standby mode and the charging state of the battery included in the battery control device 300 and the ambient temperature of the battery control device 300 It is possible to prevent natural discharge of the battery included in the battery control device 300 in advance.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

1 is a view showing a battery of an electric vehicle for explaining an embodiment of the present invention.

2 is a diagram showing a configuration of a hybrid electric vehicle for explaining an embodiment of the present invention.

3 is a block diagram showing a configuration of a battery control apparatus according to the first embodiment of the present invention.

4 is a flowchart illustrating a battery control method according to the first embodiment of the present invention.

5 is a signal flow diagram illustrating a communication process of the battery control system according to the first embodiment of the present invention.

6 is a block diagram showing a configuration of a battery control apparatus according to a second embodiment of the present invention.

7 is a flowchart illustrating a battery control method according to a second embodiment of the present invention.

8 is a signal flow diagram illustrating a communication process of the battery control system according to the second embodiment of the present invention.

9 is a block diagram showing a configuration of a battery control apparatus according to a third embodiment of the present invention.

10 is a flowchart illustrating a battery control method according to a third embodiment of the present invention.

Claims (13)

A detector for detecting a first charged state of the battery and first temperature information when an event is generated; Wherein the first charging state and the first temperature information are transmitted to an external terminal connected to the communication, and after a first time calculated based on the first charging state and the first temperature information has elapsed, A communication unit for receiving a status information request message of the status information; And Controls the detecting unit to detect the second charged state and the second temperature information of the battery in response to the received message, and the second charging state and the second temperature information detected by the detecting unit are transmitted to the external terminal And a control unit for controlling the communication unit to be transmitted, Wherein, And controls charging of the battery based on the control signal when a control signal is received from the external terminal in response to the transmission of the second charging state and the second temperature information, Wherein the control signal comprises: And the second charging state is transmitted based on the determination that the second charging state is smaller than a predetermined threshold value, and includes information for charging the battery. The method of claim 1, When the power of the battery control apparatus provided with the control unit is turned off, when the vehicle equipped with the battery control apparatus is turned off, and when power of an arbitrary system provided with the battery control apparatus is turned off The battery control device comprising: delete The apparatus of claim 1, And the battery is charged using an auxiliary battery based on the control signal. The apparatus of claim 1, Wherein the control unit drives the power generation unit based on the control signal and charges the battery using the electric energy generated by the power generation unit. The apparatus of claim 1, Wherein the battery is charged using a battery or a power source supplied from a charging station in an arbitrary battery control device connected to the battery, based on the control signal. Claim 7 has been abandoned due to the setting registration fee. Detecting, when an event occurs, a first charge state and first temperature information of the battery; Transmitting the first charged state and the first temperature information of the detected battery to a communication-connected external terminal; After the first period calculated based on the first charging state and the first temperature information has elapsed, the second charging state and the second temperature information of the battery are detected in response to the battery state information request message transmitted from the external terminal ; Transmitting the second charged state and the second temperature information of the detected battery to the external terminal; Receiving a control signal transmitted from the external terminal; And And controlling the charging of the battery based on the received control signal by the control unit. Claim 8 has been abandoned due to the setting registration fee. 8. The method of claim 7, When the power of the battery control apparatus provided with the control unit is turned off, when the vehicle equipped with the battery control apparatus is turned off, and when power of an arbitrary system provided with the battery control apparatus is turned off The battery control method comprising the steps of: Claim 9 has been abandoned due to the setting registration fee. 8. The method of claim 7, wherein the first period comprises: Wherein the time information is calculated by adding previously stored time information corresponding to the first charged state and the first temperature information based on the current time. Claim 10 has been abandoned due to the setting registration fee. And information for charging the battery when the second charging state is less than the threshold value, when the second charging state is less than the threshold value. Claim 11 has been abandoned due to the set registration fee. 8. The method of claim 7, wherein controlling the charging of the battery comprises: And the battery is charged using an auxiliary battery based on the control signal. Claim 12 is abandoned in setting registration fee. 8. The method of claim 7, wherein controlling the charging of the battery comprises: Wherein the power generation unit is driven based on the control signal and the battery is charged using the electric energy generated by the power generation unit. Claim 13 has been abandoned due to the set registration fee. 8. The method of claim 7, wherein controlling the charging of the battery comprises: Wherein the battery is charged using a battery or a power source supplied from a charging station included in an arbitrary battery control device connected to the battery based on the control signal.

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