Rechargeable battery remaining charge check device

Abstract

The present invention relates to a device for checking remaining charge of a rechargeable battery, and is characterized by including: a rechargeable battery including a lithium ion battery and a circuit unit; and a mobile terminal that displays, stores, and manages, via an app, data such as the manufacturing date of the rechargeable battery, the remaining battery charge when charging, the charging start time, the charging completion time, the number of charges, and the remaining battery charge when discharging, the discharging start time, the discharging completion time, and the number of discharges, which are stored in a storage unit of the circuit unit.

Description

[Technical field]

[0001] The present invention relates to a device for checking the remaining charge of a rechargeable battery, and more particularly to a device for checking the remaining charge of a rechargeable battery using a portable terminal. [Background technology]

[0002] Portable electronic devices generally operate using at least one DC 1.5V battery. As functions become more diverse, power consumption increases, and battery consumption increases, requiring recharging the battery.

[0003] To charge such a battery, the battery is placed inside the housing of the charging device, and a commercial AC power source or a vehicle cigarette lighter power source is supplied via a charging cable extending from one side of the housing, and charging is carried out by converting this to match the charging voltage of the battery.

[0004] Recently, Korean Patent No. 10-2269644 discloses a USB rechargeable battery in which a USB terminal is connected to a USB connection terminal to charge a lithium battery cell.

[0005] However, such conventional USB rechargeable batteries have a problem in that it is difficult to check the remaining charge during charging and use. Summary of the Invention [Problem to be solved by the invention]

[0006] SUMMARY OF THE PRESENTLY PREFERRED EMBODIMENTS In order to solve the above problems, an object of the present invention is to provide a device for checking the remaining charge of a rechargeable battery, which is capable of checking the remaining charge of a rechargeable battery through a mobile terminal application. [Means for solving the problem]

[0007] In order to achieve the above-mentioned object, the rechargeable battery remaining charge checking device of the present invention is characterized by including: a rechargeable battery including a lithium ion battery and a circuit unit; and a portable terminal device that displays, stores, and manages data of the rechargeable battery, such as the manufacturing date, the remaining battery charge at the time of charging, the charging start time, the charging completion time, the number of charges, and the remaining battery charge at the time of discharging, the discharging start time, the discharging completion time, and the number of discharges, which are stored in the storage unit of the circuit unit, via an app.

[0008] The circuit unit includes a power supply unit that supplies power and has a charging protection circuit function; a storage unit that stores the data; a control unit that transmits data from the storage unit via a communication unit when requested by a portable terminal and controls the power supply unit, storage unit, LED, and communication unit; an LED that displays the charging status of the lithium-ion battery; and a communication unit that transmits data from the storage unit to the portable terminal.

[0009] The rechargeable battery includes a circuit portion and a lithium-ion battery that are disposed inside a case; The device includes a cover fixed to an upper end of the case; and a circular anode (+) plate fixedly inserted onto an upper end surface of the cover.

[0010] The rechargeable battery is characterized by comprising: a circuit part, a USB c-type connection terminal, and a lithium ion battery inside a case; a cover fixed to an upper end of the case; a semicircular anode (+) plate inserted and fixed to one side of an upper end surface of the cover; and a USB c-type connection terminal inside a hole formed on a side of the semicircular anode (+) plate through the cover.

[0011] The circuit unit is characterized in that a USB c-type connection terminal is provided on the side thereof.

[0012] The rechargeable battery includes a circuit unit and a lithium ion battery inside a case; a lid that is attached and fixed to the upper end of the case; a USB a-type connection terminal that is attached and fixed to the upper surface of the lid; a lid that covers the USB a-type connection terminal; and a circular anode (+) plate that is in contact with the USB a-type connection terminal on the upper surface of the lid.

[0013] The lid can be separated from the case and has a magnet built into a circular periphery at the bottom end.

[0014] The cover is made of a transparent or translucent plastic material.

[0015] The control unit calculates a self-discharge rate based on an interval between a charging completion time and a usage start time of the storage unit, and transmits the calculated self-discharge rate to the portable terminal via the communication unit.

[0016] The control unit sets an alarm when the lithium ion battery is discharged to 20% or less and when the lithium ion battery is charged to 95% or more, and transmits the alarm to the mobile terminal via the communication unit. Effect of the Invention

[0017] As described above, according to the present invention, the remaining charge of a rechargeable battery can be checked through a mobile terminal app, and charging and replacement can be conveniently managed. [Brief description of the drawings]

[0018] [Figure 1] 1 is a block diagram showing a device for checking remaining charge of a rechargeable battery according to the present invention; [Diagram 2] 1 is a block diagram showing a circuit section of a device for checking remaining charge of a rechargeable battery according to the present invention; [Diagram 3] FIG. 2 is a block diagram illustrating a charging and discharging circuit according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following, the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein.

[0020] Next, a detailed description will be given of an embodiment of a device for checking the remaining charge of a rechargeable battery according to the present invention.

[0021] FIG. 1 is a configuration diagram showing a device for checking remaining charge of a rechargeable battery according to the present invention, and FIG. 2 is a block diagram showing a circuit portion of the device for checking remaining charge of a rechargeable battery according to the present invention.

[0022] 1 and 2, a device for checking remaining charge of a rechargeable battery according to the present invention may include a rechargeable battery 100 and a portable terminal 200. As shown in FIG.

[0023] 1(a), the rechargeable battery 100 may include a circuit unit 130 and a lithium ion battery 120 inside a case 110. Here, the circuit unit 130 may be provided on the upper end of the lithium ion battery 120, but is not limited thereto.

[0024] A cover 140 is fixed to the upper end of the case 110, and a circular anode (+) plate 150 may be inserted and fixed to the upper surface of the cover 140.

[0025] 1(b), the rechargeable battery 100 may include a circuit unit 130, a USB c-type connection terminal 160, and a lithium-ion battery 120 inside the case 110. Here, the circuit unit 130 may be provided on the upper end of the lithium-ion battery 120, and a USB c-type connection terminal 160-1 may be provided on a side of the circuit unit 130, but is not limited thereto.

[0026] A cover 140 may be coupled and fixed to an upper end of the case 110. Here, a semicircular anode (+) plate 150-1 may be inserted and fixed to one side of an upper end surface of the cover 140, and a USB c-type connection terminal 160-1 may be provided inside a hole formed through the cover 140 on a side of the semicircular anode (+) plate 150-1.

[0027] 1(c), the rechargeable battery 100 may include a circuit unit 130 and a lithium ion battery 120 inside a case 110. Here, the circuit unit 130 may be provided on the upper end of the lithium ion battery 120, but is not limited thereto.

[0028] A cover 140 is coupled and fixed to an upper end of the case 110, and a USB a-type connection terminal 160-2 may be coupled and fixed to an upper surface of the cover 140.

[0029] The USB a-type connection terminal 160-2 may be covered with a cover 170, and the cover 170 may be separated from the case 110. Here, the cover 170 may have a circular anode (+) plate 150-2 formed on an upper surface thereof, the anode (+) plate being in contact with the USB a-type connection terminal 160-2.

[0030] Meanwhile, the cover 170 may have a magnet built in the circular periphery of the lower end, and may be detached from the USB a-type connection terminal 160-2 and attached to the case 110 during charging. This makes it possible to fundamentally prevent the cover 170 from being lost.

[0031] The cover 140 may be made of a transparent or translucent plastic material.

[0032] The circuit unit 130 may include a power supply unit 131 , a storage unit 132 , a control unit 133 , an LED 134 , and a communication unit 135 .

[0033] The power supply unit 131 is supplied with 5V power and includes a voltage conversion circuit having a charging protection circuit function, so that the lithium ion battery 120 can be fundamentally protected.

[0034] The storage unit 132 can store data such as the manufacturing date of the rechargeable battery 100, the remaining battery capacity when charging, the charging start time, the charging completion time, the number of charging times, and the remaining battery capacity when discharging, the discharging start time, the discharging completion time, the number of discharging times, etc.

[0035] The control unit 133 can transmit the data in the storage unit 132 via the communication unit 135 upon request from the portable terminal 200. That is, the control unit 133 can transmit data such as the manufacturing date, the remaining battery level during charging, the charging start time, the charging completion time, the number of charging attempts, and the remaining battery level during discharging, the discharging start time, the discharging completion time, the number of discharging attempts, etc., which are stored in the storage unit 132, via the communication unit 135 upon request from the portable terminal 200.

[0036] In addition, the control unit 133 can calculate a self-discharge rate (self-discharge time) based on the interval between the charging completion time and the use start time of the storage unit 132 and transmit the calculated self-discharge rate to the portable terminal 200 via the communication unit 135 .

[0037] The control unit 133 can set an alarm when the lithium ion battery 120 is discharged to 20% or less and charged to 95% or more, and transmit the alarm to the application of the portable terminal 200 via the communication unit 135. At this time, the alarm setting can be transmitted from the portable terminal 200.

[0038] In addition, the control unit 133 can control the power supply unit 131 , the storage unit 132 , the LED 134 , and the communication unit 135 .

[0039] The LED 134 is a green LED that indicates the charging status of the lithium-ion battery, and is turned on and off for one second during charging, and the green LED may be kept on when charging is completed. At this time, the charging progress can be confirmed through the green LED light that is emitted through the cover 140 made of a transparent or translucent plastic material.

[0040] The communication unit 135 may transmit data from the storage unit 132 to the mobile terminal 200. Here, the communication unit 135 may transmit data wirelessly via ZigBee (registered trademark), Wi-Fi, Bluetooth (registered trademark), etc., and preferably transmit data wirelessly via Bluetooth.

[0041] The mobile terminal 200 can display, store, and manage data of the rechargeable battery 100 through an application.

[0042] FIG. 3 is a block diagram illustrating a charging and discharging circuit according to the present invention.

[0043] 3, the StepDown Regulator 310 can be operated for 1.5V discharge, and the Charge Control 320 can be disabled. At this time, the voltage / current output from the lithium-ion battery 120 can be detected and transmitted to the outside via the BLE 330 when necessary. Here, the BLE 330 can monitor the voltage to select discharge / charge.

[0044] If the voltage of the (+) terminal 340 is detected to be 4.2V, which is higher than 1.5V, the charge control can be enabled to operate the Charge Control 320 and charge the battery. At this time, the discharge control can be disabled to stop the operation of the Step Down Regulator 310. Here, the Step Down Regulator 310 can be protected against reverse current using a Blocking Diode 350.

[0045] Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims also belong to the scope of the present invention.

Claims

1. A rechargeable battery containing a lithium-ion battery and circuitry; and A portable terminal that displays, stores, and manages, via an application, data such as the manufacturing date of the rechargeable battery, the remaining battery capacity during charging, the charging start time, the charging completion time, and the number of charging times, and the remaining battery capacity during discharging, the discharging start time, the discharging completion time, and the number of discharging times, which are stored in the storage unit of the circuit unit; The circuit unit includes: A power supply unit that provides power and has a charging protection circuit function; a storage unit for storing said data; a control unit that transmits data from the storage unit via a communication unit when requested by a mobile terminal and controls a power supply unit, the storage unit, an LED, and the communication unit; an LED for indicating the charging status of the lithium ion battery; and a communication unit for transmitting data from the storage unit to a portable terminal device.

2. The rechargeable battery comprises: The circuitry and lithium-ion battery are contained within the case; A cover secured to the upper end of the case; and 2. The device for checking remaining charge of a rechargeable battery according to claim 1, further comprising: a circular anode (+) plate inserted and fixed to an upper end surface of the cover.

3. The rechargeable battery comprises: A circuit part, a USB c-type connection terminal, and a lithium-ion battery inside the case; a cover secured to an upper end of the case; A semicircular anode (+) plate is inserted and fixed to one side of the upper end surface of the lid; and 2. The device for checking remaining charge of a rechargeable battery according to claim 1, further comprising a USB c-type connection terminal inside a hole formed on a side of the semicircular anode (+) plate through a cover.

4. 4. The device for checking remaining charge of a rechargeable battery according to claim 3, wherein a USB c-type connection terminal is provided on a side of the circuit unit.

5. The rechargeable battery comprises: The circuitry and lithium-ion battery are contained within the case; a cover secured to an upper end of the case; a USB a-type connection terminal fixed to the top surface of the cover; A cover for covering the USB a-type connection terminal; and 2. The device according to claim 1, further comprising: a circular anode (+) plate on an upper surface of the cover, the anode (+) being in contact with a USB a-type connection terminal.

6. 6. The device for checking remaining charge of a rechargeable battery according to claim 5, wherein the cover can be separated from the case, and a magnet is built into a circular periphery at a lower end thereof.

7. 7. The device for checking remaining charge of a rechargeable battery according to claim 2, wherein the cover is made of a transparent or translucent plastic material.

8. 2. The device according to claim 1, wherein the control unit calculates a self-discharge rate based on an interval between a charging completion time of the storage unit and a usage start time, and transmits the calculated self-discharge rate to a portable terminal via a communication unit.

9. 2. The device according to claim 1, wherein the control unit sets an alarm when the lithium ion battery is discharged to 20% or less and when the lithium ion battery is charged to 95% or more, and transmits the alarm to the portable terminal via the communication unit.

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