KR20020069672A - Battery information display system using battery module - Google Patents

Abstract

PURPOSE: A battery module and a battery information display system using the same are provided to prevent an overheat phenomenon and an overcharging phenomenon of a battery by providing information of the battery to a mobile communication terminal. CONSTITUTION: A battery module(100) is formed with a battery(110), a PCM part(120), a micro computer(130), and an RF module part(140). The battery(110) is charged by power source applied from a power part(11). The battery(110) provides the power to a mobile communication terminal(200). The PCM part(120) senses intensity of the power and temperature of the battery(110). The micro computer(130) generates a control signal according to a sensing signal of the PCM part(120). The charging number and the discharging number of the battery(110) are stored in a memory of the micro computer(130). The RF module part(140) transmits the control signal of the micro computer(130) to the mobile communication terminal(200).

Description

BATTERY INFORMATION DISPLAY SYSTEM USING BATTERY MODULE}

The present invention relates to a battery module, and more particularly, to close wireless data communication (blue tooth) to the mobile communication terminal information of the battery including the number of charges of the battery, the current state of charge, remaining charge time, discharge state, etc. The present invention relates to a battery module for providing battery information to a mobile communication terminal to be provided through a battery information display system using the same.

In general, mobile communication terminals (cellular phones, PCS phones, IMT-2000 phones, etc.) is a trend that is widely spread due to the advantage that can be freely communicated without being restricted by the location of the subscriber.

When the mobile communication terminal receives a call signal generated from the mobile communication terminal or a call signal generated for the mobile communication terminal by wirelessly connecting to the personal communication exchange via the base station, the personal communication exchange establishes a call path and establishes a base station. It refers to a system that performs mobile communication by allowing a call signal to be transmitted wirelessly.

The mobile communication terminal is essentially equipped with a battery module for supplying power to the terminal, as shown in Figure 1 such a battery module 20, the battery 21 and the PCM (Protected Circuit Mode) unit 22 It is composed.

The battery module 20 is electrically connected to the connector 1 of the charger 10 to charge the battery 21, wherein the PCM unit 22 of the battery module 20 is the power unit 11 of the charger 10. Protect the battery 21 from overheating and overcharging of the battery 21 due to the power input from the. In the drawings, reference numeral 12 denotes a PCM unit for protecting the charger from overheating and overcharging, 13 is a controller for controlling the charger as a whole, 31 is a power unit for supplying power to the mobile communication terminal, and 32 is a mobile communication terminal. Is a controller that controls the overall, and 33 is an LCD that displays the various conditions of the system.

However, the battery module 20 blocks the battery 21 from being overheated or overcharged due to the power supplied from the charger 10 under the control of the PCM unit 22. When the battery 21 is charged through the charger 10 while the 20 is mounted, the battery 21 and the mobile communication terminal 30 due to overheating and overcharging when the PCM unit 22 of the battery module 20 malfunctions. ) Is broken.

In addition, the conventional mobile communication terminal 30 simply displays the voltage state of the battery 21 through the LCD 34, so that the user can charge the battery 21, the current state of charge, the remaining charge time, the discharge state, and the like. There is another problem that the information of the battery 21 including the unknown.

An object of the present invention is to solve the above problems, by providing the information of the battery to the mobile terminal to protect the battery and the mobile terminal by preventing the user from overheating and overcharging the battery using the information of the battery in advance In addition, it provides a convenience to the user by allowing the user to determine the current state of the battery through the information of the battery.

1 is a block diagram schematically showing a charging system of a conventional mobile communication terminal

2 is a block diagram showing a battery information display system using a battery module according to the present invention.

<Explanation of symbols for main parts of the drawings>

10: charger 100: battery module

110: battery 120: PCM unit

130: microcomputer 140: RF module

200: mobile communication terminal 210: power unit

220: controller 230: RF module

240: LCD

Features of the present invention for achieving the above object,

A rechargeable battery charged with power input from an external charger and supplying power charged to a mobile communication terminal;

A PCM unit which senses power applied from the charger and protects the battery according to the state of charge of the rechargeable battery;

A microcomputer generating and outputting a predetermined control signal according to a sensing signal from the PCM unit;

According to the control signal input from the microcomputer includes a corresponding RF information of the battery to the mobile communication terminal or wireless data transmitted from the mobile communication terminal to the microcomputer unit.

The RF module unit is an RF module unit for proximity wireless data communication.

Here, the information of the battery includes the number of charges of the battery, the current state of charge, the remaining charge time, the discharge state, and the like.

Another feature of the invention,

A battery module that charges the battery with power input from a charger, and transmits wireless data corresponding to information of various batteries to the outside through proximity wireless data communication;

It includes a mobile communication terminal for displaying the information of the battery using the wireless data received from the battery module.

Hereinafter, the configuration and operation of the battery module and the battery information display system using the same according to the present invention will be described in detail with reference to FIG. In FIG. 2, the same code | symbol is attached | subjected about the same part as the charging system shown in FIG. 1, and the duplicate description is abbreviate | omitted.

2 is a block diagram showing a battery information display system using a battery module according to the present invention.

Referring to FIG. 2, first, the battery module 100 includes a battery 110, a PCM unit 120, a microcomputer 130, and an RF module unit 140. The battery 110 is charged with power applied from the power unit 11 of the charger 10, and provides the charged power to the mobile communication terminal 200, and the PCM unit 120 is a power unit of the charger 10. Sensing the size and temperature of the power applied from (11). The microcomputer 130 generates a control signal corresponding to the information of the battery 110 according to the signal sensed from the PCM unit 120. The number of charges of the battery 110, the number of discharges of the battery 110, and the like are stored in a memory (not shown) inside the microcomputer 130. In addition, the microcomputer 130 may store the battery according to a signal sensed by the PCM unit 120. Check the temperature and remaining charge time of 110). The RF module unit 140 converts the control signal transmitted from the microcomputer 130 to the mobile communication terminal 200 by converting the wireless data, and provides the wireless data transmitted from the mobile communication terminal 200 to the microcomputer 130. To provide. Here, the RF module unit 140 uses Bluetooth, which is a proximity wireless data communication technology. Here, Bluetooth is a technology that can transmit data at a speed of about 1Mbps in a peripheral period of a mobile communication terminal, a landline phone, a laptop, a PDA, a printer, and the like at a distance of about 10m using the 2.4 GHz frequency band, and can be applied in various fields. .

In addition, the mobile communication terminal 200 includes a power unit 210, an RF module unit 220, a controller 230, and an LCD 240. The power unit 210 generally provides power to the system with power applied from the battery 110 of the battery module 100, and the RF module unit 220 receives wireless data transmitted from the base station or transmits wireless data to the base station. In particular, the wireless data transmitted from the battery module 100 is transmitted to the controller 230. The controller 230 controls the system as a whole. In particular, the controller 230 generates a corresponding message using wireless data corresponding to the information of the battery 110 transmitted from the RF module unit 140 of the battery module 100 to generate the LCD 240. To display. The LCD 240 displays information of the battery 110 under the control of the controller 230. Here, the controller 230 preferably displays the battery information when the user requests the display of the battery information by the user's key manipulation. However, the controller 230 may always display the battery information.

Hereinafter, an operation of a battery information display system using a battery module according to the present invention will be described in detail with reference to FIG. 2.

First, when the battery module 100 is inserted into the charger 10, the battery 110 is charged by using the power supplied from the charger 10, and the PCM unit 120 senses the state of charge of the battery 110. This is notified to the microcomputer 130. Then, the microcomputer 130 comprehensively checks the number of charges of the battery 110, the current state of charge, the remaining charge time, the discharge state, and the like using this signal.

In this state, when battery information is requested from the mobile communication terminal 200 to the microcomputer 130 through the RF module unit 140 by the user's key manipulation, the microcomputer 130 receives RF data corresponding to the battery information. The module 140 transmits the RF module 220 to the mobile communication terminal 200. Then, the controller 230 of the mobile communication terminal 200 receiving the signal displays the battery information on the LCD 240 to confirm the user. Then, the user can check the state of charge of the battery 110 by using the battery information, thereby preventing overheating and overcharging of the battery 110 in advance, and efficiently using the mobile communication terminal 200 using the battery information.

As described above, according to the battery module and the battery information display system using the same, the battery information is provided to the mobile terminal so that the user can prevent the battery from overheating and overcharging by using the information of the battery. And protects the mobile communication terminal, and provides the user with convenience by allowing the user to grasp the current state of the battery through the information of the battery.

Claims (4)

A rechargeable battery charged with power input from an external charger and supplying power charged to a mobile communication terminal; A PCM unit which senses power applied from the charger and protects the battery according to the state of charge of the rechargeable battery; A microcomputer generating and outputting a predetermined control signal according to a sensing signal from the PCM unit; And an RF module unit configured to wirelessly provide information on a battery corresponding to the control signal input from the microcomputer to the mobile communication terminal or to provide wireless data transmitted from the mobile communication terminal to the microcomputer. The method of claim 1, The RF module unit, Battery module characterized in that the RF module unit for proximity wireless data communication. The method of claim 1, The information of the battery, Battery module including the number of charges of the battery, the current state of charge, remaining charge time, discharge state. A battery module that charges the battery with power input from a charger, and transmits wireless data corresponding to information of various batteries to the outside through proximity wireless data communication; And a mobile communication terminal for displaying information of the battery using wireless data received from the battery module.