KR20000002999U - Battery charger - Google Patents

Abstract

The present invention relates to a battery charging device that is connected to an external power source and used to charge a battery. The battery charging device has a housing, a housing, a first holder, a second holder, a controller, a charge amount display, a charge time display, and operation buttons. The housing is formed with a housing. This accommodating portion is equipped with a first holder or a second holder. The first holder is used to charge the battery pack. The second holder is used to charge ordinary batteries. Therefore, when charging ordinary batteries other than the battery pack, the first holder is removed from the accommodating part, and then the second holder is mounted and used. The controller checks the charging amount and the charging time of the battery. The charge amount display unit displays the charge amount of the battery checked in the controller. The charging time display unit displays the charging time of the battery checked by the controller. The operation button can operate the time of the charging time display unit.

Description

A BATTERY CHARGER

The present invention relates to a battery charging device, and more particularly to a battery charging device used to charge the battery is connected to an external power source.

With the development of electronic systems, various batteries are used. These batteries vary greatly in size, capacity and system used. For example, it can be divided into a primary cell that cannot be reused once the current is discharged, and a secondary cell or storage battery that can be used over and over again by charging the current. have.

The battery charging device 100 shown in FIG. 1 is connected to an external power source to charge the battery 106 mounted in the housing 102. The charging state of the battery 106 may be known through the LED 110 installed in the front of the battery charging device 100. When the battery 106 is not fully charged, the color of the LED 110 is orange, and when the charging is completed, the color of the LED 110 changes to green. When the charging of the battery is completed, a sound for notifying completion of charging through a speaker is generated.

Such a conventional battery charging device 100 is inconvenient in use because the user cannot know how much the battery 106 is charged and how long the charging time takes. In addition, the conventional battery charging device 100 is configured to charge only the battery pack 106 for a computer. Therefore, there is a drawback that other types of batteries, such as a rechargeable battery for a cassette or a battery pack for a telephone, which are generally used, cannot be charged.

The present invention is to solve such a conventional problem, the purpose is to provide a new type of battery charging device that the user can know the charging capacity and charging time of the battery, and also can charge other types of batteries in common. It is.

1 is a perspective view showing a conventional battery charging device;

2 is a perspective view showing the appearance of a battery charging device according to an embodiment of the present invention;

3A and 3B are cross-sectional views showing an internal configuration of a battery charging device according to an embodiment of the present invention;

4 is a cross-sectional view of a battery charging device equipped with a battery;

5 is a flowchart showing steps from the start of charging to the end of charging of the battery charging device;

6 is a circuit diagram of a battery charging device according to an embodiment of the present invention.

* Explanation of symbols for the main parts of the drawings

10: battery charging device 12: housing

14: storing portion 16: stopper

18a: first charging connector 18b: second charging connector

20: second holder 30: first holder

22, 32: mounting groove 24a, 34a: connection terminal

24b, 34b: Connector 26,36: Fitting Groove

28,38: rack 40: spring

50: locking member 60: control unit

62: charging circuit 64: LED

66: speaker 68: reset switch

70: charge amount display unit 72: operation buttons

74: charge time display unit 80: battery

According to a feature of the present invention for achieving the above object, the battery charging device is

A housing having a housing portion having a first charging connector; A first holder installed on the housing so as to be slidable up and down, having a first battery for charging and electrically connected to the first charging connector; A controller for checking a charge amount and a charge time of the first battery; A charge amount display unit displaying a charge amount of the first battery checked by the controller; A charging time display unit displaying a charging time of the first battery checked by the controller; And operation buttons capable of manipulating time of the charging time display unit.

In the present invention, the battery charging device includes a second charging connector in the housing; And a second holder mounted on the housing so as to be slidable up and down, and equipped with a second battery having a different size from the first battery and electrically connected to the second charging connector.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 2 to 6. In the drawings, the same reference numerals are given to components that perform the same function.

Figure 2 is a perspective view showing the appearance of a battery charging device according to an embodiment of the present invention. 3A and 3B are cross-sectional views illustrating an internal configuration of a battery charging device according to an embodiment of the present invention.

As shown in FIGS. 2 to 3B, the battery charging device 10 according to the embodiment of the present invention includes a housing 12, an accommodation part 14, a first holder 30, a second holder 20, The control unit 60, the charge amount display unit 70, the charge time display unit 74, and the operation buttons 72 are provided.

As shown in FIG. 2, the housing 12 has a hexahedron shape. The accommodating part 14 is formed to a predetermined depth from an upper surface of the housing 12. The first charging connector 18a and the second charging connector 18b are provided on the bottom surface of the housing portion 14. The first charging connector 18a is for charging a battery pack, and the second charging connector 18b is for charging a general battery. A stopper 16 protrudes on one side of the accommodating portion 14. The first holder 30 or the second holder 20 is installed to be able to slide up and down by the height of the stopper 16 protruding from the bottom surface on the receiving portion 14.

As shown in FIG. 3A, the first holder 30 is used to charge the battery pack 82. The mounting groove 32 is formed on the upper surface of the first holder 30. The mounting groove 32 is fitted with a conventional battery pack 82 (for computer). For example, the battery pack 82 is not limited to a computer, but may also be understood as a battery pack for a mobile phone or a battery pack for a cassette. The mounting groove 32 is provided with a connection terminal 34a connected to the terminal 82a of the battery pack 82. The bottom surface of the first holder 30 is provided with a connector 34b electrically connected to the first charging connector 18a. This connector 34b is connected to the connection terminal 34a by electrical wiring. On the other hand, the fitting groove 36 is formed on one side of the first holder 30. On another side, a rack 38 is formed. The rack 38 is located in the housing 12 and engages with the pinion 38a installed in the housing 12 to move up and down.

On the other hand, the battery charging device 10 of the present invention, when charging the normal batteries 84, not the battery pack 82, after separating the first holder 30 from the housing 14, the second holder 20 ) To be used. As shown in FIG. 3B, the second holder 20 has a mounting groove 22, a connection terminal 24a and a connector 24b. For example, the mounting grooves 22 are equipped with ordinary batteries 84. The connection terminal 24a is installed in the mounting groove 22, and the connection terminal 24a is electrically connected to the terminal 84a of the common batteries 84 mounted in the mounting groove 22. The connector 24b is installed on the bottom of the second holder 20 and electrically connected to the second charging connector 18b. This connector 24b is connected to the connection terminal 24a by electric wiring. On the other hand, the second holder 20 has a fitting groove 26 and the rack 28 having the same function as the first holder 30.

On the other hand, the control unit 60 checks the charge amount and the charging time of the battery pack or the normal battery. The charge amount display unit 70 and the charge time display unit 74 is preferably installed on one surface of the housing 12 so that the user can see with the eyes. The charge amount checked by the controller 60 is displayed by four LEDs of the charge amount display unit 70. For example, the four LEDs may be displayed in such a manner that one by one is lit for the battery charge amount one by one. The charging time display unit 74 is formed of a typical 7-SEGMENT LED, and the charging time checked by the controller 60 is displayed. The operation buttons 72 are composed of start, end, and reset buttons, and allow the user to arbitrarily manipulate the charging time displayed on the charging time display unit 74.

The battery charging device 10 of the present invention has a reset switch 68 and a speaker 66. The battery charging device 10 is provided with a known charging circuit 62 and LED 64. The charging circuit 62 and the LED 64 are controlled by the controller 60.

A compression spring 40 is installed at the bottom of the housing 12. The compression spring 40 supports the bottom of the first holder 30 or the second holder 20 and imparts an elastic force upward. The locking member 50 is installed in the housing 12. The locking member 50 has the first holder 30 or the second holder 20 electrically connected to the first and second charging connectors 18a and 18b by an elastic force of the compression spring 40. It has a function of fixing so as not to move upward. The locking member 50 is composed of an electromagnet 52, an operator 54 and a spring 56. The electromagnet 52 receives magnetic power from the controller 60 only when the battery is fully charged and has magnetic properties. The operator 54 is installed in the vicinity of the electromagnet 52 and one end of the operator 54 is coupled to the fitting grooves 36 and 26 of the first holder 30 or the second holder 20. . The spring 56 imparts elastic force so that one end of the operator 54 is fitted into the fitting grooves 36 and 26. The operator 54 may be separated from the fitting grooves 36 and 26 while moving toward the electromagnet when the electromagnet 52 is magnetic.

4 is a cross-sectional view of a battery charging apparatus equipped with a battery, and FIG. 5 is a flowchart showing steps from the start of charging to the end of the charging of the battery charging apparatus.

4 and 5, the first holder 30 or the second holder 20 (hereinafter, referred to as 'battery') to fit the battery pack 82 or ordinary battery 84 (hereinafter, referred to as 'battery') to be charged. Holder ') is installed in the housing 14. Then insert the battery into the mounting groove of the holder. In this state, when the battery is pressed with a constant force, the holder slides to the bottom surface of the accommodating portion 14 and is connected to the first or second charging connectors 18a and 18b. In this operation, the holder slides downward slowly while engaging the rack and the pinion. One end of the operator 54 is fitted into the fitting groove of the holder.

In this state, the charging current is supplied to the battery. Meanwhile, the charging time is displayed on the charge time display unit 74, and the charge amount of the battery is displayed on the charge amount display unit 70. When the charging of the battery is completed, the controller 60 supplies a current to the electromagnet 52. The magnetic force of the electromagnet 52 causes the operator 54 to move toward the electromagnet 52. The movement of the operator 54 causes one end of the operator to be removed from the fitting groove of the holder. In this way, the locked state of the holder is released, and accordingly, the holder may slide upward by the elastic force of the compression spring 40. At this time, the holder slides slowly while engaging the pinion 38a as in the case where the holder is moved downward. And naturally, the charging connector and the connector is separated. On the other hand, the reset switch 68 is for forcibly recognizing the completion of charging of the battery to the control unit 60. The speaker 66 generates an alarm sound for a predetermined time when charging of the battery is completed.

6 is a circuit diagram of a battery charging device according to an embodiment of the present invention. FIG. 6 will be described with reference to FIGS. 4 to 5 together. The general charging circuit 62 receives a commercial AC power from the outside and converts it into a DC power suitable for charging the battery and supplies a charging current to the battery 80 mounted in the holder. At this time, the controller 60 detects the voltage of the battery 80 and compares whether the charging is sufficient. As a result, the charging circuit is controlled. In addition, the charge amount checked by the controller 60 is displayed by four LEDs of the charge amount display unit 70. For example, if the battery is 25% or less charged, one is 50% or less, two are 75% or less, and four LEDs are fully lit. The charging time display unit 74 is formed of a typical 7-SEGMENT LED, and the charging time checked by the controller 60 is displayed. Meanwhile, when changing the charging time arbitrarily, the charging time may be changed by using the operation buttons 72.

When the present invention is applied, it is convenient to use because the user can know the charging capacity and the charging time of the battery. In addition, if another rechargeable battery is also replaced with a holder for the size, there is an advantage in that several types of batteries can be shared and used in one charging device.

Claims (2)

A battery charging device, A housing having a housing portion having a first charging connector; A first holder installed on the housing so as to be slidable up and down, having a first battery for charging and electrically connected to the first charging connector; A controller for checking a charge amount and a charge time of the first battery; A charge amount display unit displaying a charge amount of the first battery checked by the controller; A charging time display unit displaying a charging time of the first battery checked by the controller; Including operation buttons for operating the time of the charge time display unit, Battery charging device, characterized in that the charge capacity per hour of the first battery can be confirmed through the charge amount display unit and the charge time display unit. The method of claim 1, The battery charging device includes a second charging connector in the housing; A second holder mounted on the housing so as to be slidable up and down, mounted with a second battery having a different size from the first battery, and electrically connected to the second charging connector; And the first holder or the second holder mounted on the accommodating portion to charge the first battery and the second battery in common.