JP3108480U - Cell phone battery charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compact mobile phone built-in battery capable of charging a mobile phone built-in battery from various types of external power sources even in a place without a commercial power supply and protecting the mobile phone and the charger from unexpected excessive voltage and current. Provide a large amount of chargers at low cost.
An external battery power receiving terminal 2 is provided in an insulating case 1, and a power receiving cord 4 having a personal computer power receiving plug 3 plugged into a personal computer external device connecting connector on both sides of the case, and a charging input connector of a mobile phone T A charging cord 6 having a charging output plug 5 that can be plugged in is extended and provided, and an in-vehicle power receiving plug 7 that can be plugged into a cigarette lighter socket of an automobile is provided in a part of the case 1. AC power receiving plugs 8 are provided, charging circuits are interposed between the power receiving portions and the base of the charging cord 6, and the circuit board is housed in the case 1.
[Selection] Figure 1

Description

  The present invention makes it possible to charge a cell phone built-in battery from various types of external power sources, and in each cell receiving part, a current interrupting element is interposed in series so that the cell phone or charger can be connected to an unexpected overvoltage or overcurrent. The present invention relates to a battery charger for a compact mobile phone with a built-in protection.

  As a conventional charger for a built-in mobile phone battery, for example, a built-in battery charging stand attached to the mobile phone and a cord-connected charger are well known.

  Each of the conventional examples is a battery charger with a built-in mobile phone provided only with an AC power receiving plug that can be plugged into a general AC 100V commercial power outlet in a home or office, and therefore charging is performed in a place without a commercial power source. There is an essential and big problem that cannot be done.

  The present invention makes it possible to charge a cell phone built-in battery from a variety of external power sources even in places where there is no commercial power supply, and to protect the cell phone and charger from unexpected overvoltage and overcurrent. The purpose is to provide a large amount of battery chargers at low cost.

  An object of the present invention described above is to provide a power receiving cord having a pair of positive and negative external battery power receiving terminals on the outer surface of the insulating case, and a personal computer power receiving plug plugged into the external device connection connector of the personal computer on each of the left and right sides of the case. A charging cord having a charging output plug that can be plugged into a charging input connector of a mobile phone, and a projecting cord that extends substantially symmetrically, and an in-vehicle power receiving plug that can be plugged into a car cigarette lighter socket at one end of the case, AC power receiving plugs that can be plugged into commercial power outlets are provided in the other parts of the case, and charging circuits that conform to the charging standards for mobile phone built-in batteries are interposed in series between the power receiving parts and the charging cord base. This can be achieved by installing the circuit board in the case.

  In addition, a current interrupting element whose resistance value rapidly increases due to overcurrent and a charging circuit conforming to the charging standard of the mobile phone built-in battery are interposed in series between each power receiving portion and the charging cord base, and its circuit board May be installed in the case.

Since the present invention employs the above-described means, the following effects can be obtained.
According to the first aspect of the present invention, a pair of positive and negative external battery power receiving terminals are provided on the outer surface of the insulating case, and a power receiving cord having a personal computer power receiving plug on each of the left and right sides of the case, and a charging input connector of the mobile phone A charging cord having a charging output plug that can be plugged into the battery, and an in-vehicle power receiving plug at one end of the case, and an AC power receiving plug at the other part of the case, and each receiving power Since a charging circuit conforming to the charging standard of the mobile phone built-in battery is interposed between the charging output plug and the charging output plug, the mobile phone built-in battery can be charged from the above-mentioned various external power sources even in places where there is no commercial power supply. There is an excellent effect that a large amount of multipurpose chargers can be provided at low cost.

  Further, according to the invention of claim 2, in addition to the above-described effects, charging of the current interrupting element whose resistance value rapidly increases due to overcurrent between each of the power receiving portions and the charging cord base and the battery built in the mobile phone Since the charging circuit conforming to the standard is interposed in series and the circuit board is built in the case, it is possible to add the effect of preventing overheating accidents and damage to the mobile phone and charger due to unexpected excessive voltage and current. It was.

  Furthermore, in the invention of claim 3 in the present invention, as a personal computer power receiving plug that can be plugged into the external device connecting connector of the personal computer, a power receiving plug that can be plugged into a USB connector provided in various types of personal computers is used. In the office, it was possible to add a battery charger with built-in mobile phone that is versatile for personal computers.

  In the invention of claim 4 in the present invention, in addition to the various effects, a charge connection conversion adapter corresponding to the type of the connector is interposed between the charge output plug and the charge input connector of the mobile phone. It is possible to add an effect of being able to charge different types of mobile phones with good compatibility, and as in the invention of claim 5 of the present invention, if the charging cord is wound on a cord reel that can be retractably retracted, the charging cord becomes an obstacle. In addition, the effect that it can be used more comfortably was added.

  As in the sixth and seventh aspects of the present invention, a protruding frame capable of holding a PC power receiving plug is formed on the outer surface of the insulating case, and the PC power receiving plug can be fitted and held in the protruding frame. If the AC power receiving plug is folded back from the hinge at its base so that it can be detachably stored in the recess on the outer surface of the insulating case, the PC power receiving plug and AC power receiving plug that are not in use can be used. The effect that it can be used more comfortably without being obstructed can be added, and in the device of claim 8 of the present invention, the lighting display of the charging display element connected to the base of the charging cord and disposed on the surface of the case Thus, it is possible to display that the battery is in the correct state of charge, so that the effect that it can be used more safely and reliably can be added.

  In the best mode for carrying out the present invention, known positive and negative terminals (not shown) provided on a rectangular external battery such as 006P are provided on one surface of an insulating case 1 formed of plastic as shown in FIG. An external battery power receiving terminal 2 to be connected together, and a personal computer power source that can be plugged into a general external device connector (not shown) such as a USB connector on the left and right sides of the case 1 A power receiving cord 4 having a power receiving plug 3 and a charging cord 6 having a charging output plug 5 that can be plugged into a general charging input connector (not shown because it may be well known) provided in a cellular phone are shown in FIG. As shown in FIG.

  In addition, an in-vehicle power receiving plug 7 that can be plugged into a general cigarette lighter socket (not shown) in an automobile is provided in a part of the case 1, and an AC power source that can be plugged into a general commercial power outlet at the bottom of the case 1. A power receiving plug 8 is provided, and the charging standard of the cell phone built-in battery is met between each power receiving portion of the external battery power receiving terminal 2, the on-vehicle power receiving plug 7 and the AC power receiving plug 8 and the base of the charging cord 6. The battery charger with the built-in mobile phone according to the present invention can be configured by interposing the charging circuit specially, and by burying the circuit board in the case 1.

  The battery charger for a built-in mobile phone according to the present invention has the above-described configuration, and in order to use it in a place with a commercial power outlet such as a home, office or factory, an AC voltage of about 100 to 200 volts. The AC power receiving plug 8 is inserted into a general commercial power outlet, and the charging output plug 5 is inserted into the charging input connector of the mobile phone T as shown in FIG. And a battery built in the cellular phone of about 4 volts can be charged through the charging circuit interposed between the charging cord 6 and the base of the charging cord 6.

  To charge the cell phone built-in battery in a place where there is no commercial power outlet, if you have a rectangular external battery with an output voltage higher than the voltage of the cell phone built-in battery, such as 006P, you can use positive or negative on one side of this battery. Each snap terminal is inserted into the external battery receiving terminal 2 as shown in FIG. 1, and the charging output plug 5 is inserted into the charging input connector of the mobile phone T as shown in FIG. The battery built in the mobile phone can be charged with the external battery by the charging circuit interposed between the base and the base.

  In a place where a personal computer is located, the power receiving plug 3 of the power receiving cord 4 is inserted into the external device connection connector, and the charging output plug 5 is inserted into the charging input connector of the mobile phone T, so that the mobile phone built-in battery can receive the power receiving power. The charging circuit interposed between the cord 4 and the base of the charging cord 6 can be charged from a personal computer power supply, and if in a car, an in-vehicle power receiving plug 7 is inserted into the cigarette lighter socket, and the charging output plug 5 Is inserted into the charging input connector of the mobile phone T, so that the battery built in the mobile phone can be charged by the in-vehicle power source through the charging circuit interposed between the in-vehicle power receiving plug 7 and the base of the charging cord 6, and commercial power Even in places where there is no electrical outlet, the above-mentioned charging circuits that meet the charging standards for mobile phone built-in batteries from the above-mentioned various types of external power supplies It can be charged to the built battery.

  The present invention provides a charging display element 9 such as a light-emitting diode which is connected to the base of the charging cord 6 and arranged on the surface of the case as shown in FIG. The lighting display can indicate to the user that the charging state is correct.

  In addition, a current blocking element whose resistance value rapidly increases due to overcurrent between each of the power receiving portions of the external battery power receiving terminal 2, the on-vehicle power receiving plug 7 and the AC power receiving plug 8 and the charging output plug 5, and the respective charging. If the circuit is specially connected in series, the mobile phone can be used in the event of an overheating accident due to unexpected overvoltage or overcurrent caused by incorrect connection of each power receiving part during use or when the internal battery output plug of the failed mobile phone T is connected. It is possible to protect the plugs and cords including the battery charger and the charger.

  That is, the current interrupting element whose resistance value increases rapidly due to the overcurrent is a thermistor having a positive current characteristic of a conductive polymer based on a general carbon black-containing heat-resistant plastic used in a cathode ray tube degaussing circuit of a television receiver or the like. When using at room temperature with a current flowing through this element of, for example, 100 mA or less, the resistance value of the element is less than 5 ohms and it is in a state of being able to be charged in a sufficiently energized state. If an unexpected excessive current due to the charging output plug 5 being connected to the charging input connector of the cellular phone T that has failed abnormally flows to the element, the element generates heat rapidly due to the generation of large Joule heat, and the temperature of the element increases. Rapidly increases to about 120 ° C or higher, and its resistance increases rapidly to a high resistance of 1 megohm (1 million ohms) or more. Indeed blocking can be maintained, could protect promptly said plug such or cords charging circuit of a cellular phone or a battery charger as the beginning of the overvoltage-overcurrent due to abnormal use.

  At the time of abnormal use, the charging display element 9 can be immediately turned off to indicate to the user that there is an abnormal situation.At this time, each power receiving part is immediately removed from each power source, and the incorrect connection is corrected correctly. When reconnecting to a mobile phone that is not faulty, the temperature of the current interrupting element is restored to room temperature in about 3 to 5 minutes due to self-dissipating action, and the resistance value of the element automatically becomes less than 5 ohms. The charger can be used again as a battery charger for a mobile phone built-in battery.

  Between the charging output plug 5 and the charging input connector of the mobile phone, a charging auxiliary connector 10A that can be plugged into the plug 5 as shown in FIG. 2 and a charging auxiliary bracket that can be plugged into the charging input connector of a different type of mobile phone T. By interposing the charging connection conversion adapter 10 having 10B, it is possible to charge a built-in battery of a different type of mobile phone T.

  In addition, the charging cord 6 can be expanded and contracted as necessary by winding the charging cord 6 on a well-known telescopic cord reel 11 (see FIG. 1). Further, a personal computer power receiving plug 3 is provided on the outer surface of the insulating case 1. 1 and 3 is formed, and the personal computer power receiving plug 3 can be fitted and held in the protruding frame as shown by a chain line in FIG. Alternatively, the AC power receiving plug 8 may be folded back as shown in FIG. 4 from the hinge portion 8A at the base so that it can be stored in the back surface recess 1A of the insulating case 1.

  If the charging output plug 5 is replaced with another type of charging plug or connector, the mobile phone built-in battery charger according to the present invention can be used as a charger for other rechargeable batteries.

The perspective view which shows the embodiment of this invention The perspective view which shows an example of the charge connection conversion adapter used for this invention Side view showing an example of use of the case projection frame in the present invention Plan view showing an example of storing the AC power receiving plug in the present invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Insulation case 1A Case back surface recess 2 External battery power receiving terminal 3 PC power receiving plug 4 Power receiving cord 5 Charging output plug 6 Charging cord 7 In-vehicle power receiving plug 8 AC power receiving plug 9 Charging display element 10 Charging connection conversion adapter 11 Telescopic type Cord reel 12 Case protruding frame T Mobile phone

Claims (8)

  A pair of positive and negative external battery power receiving terminals are provided on the outer surface of the insulating case, and a power receiving cord having a personal computer power receiving plug plugged into the external device connecting connector on the left and right sides of the case, and a charging input connector of the mobile phone. A charging cord having a charging output plug that can be plugged in is extended substantially symmetrically, and an in-vehicle power receiving plug that can be plugged into a cigarette lighter socket of an automobile is provided at one end of the case, and a commercial power supply is provided at the other part of the case AC power receiving plugs that can be plugged into outlets are provided, and a charging circuit that conforms to the charging standard of the mobile phone built-in battery is interposed between each receiving portion and the charging cord base, and the circuit board is placed in the case. Built-in mobile phone battery charger.   A pair of positive and negative external battery power receiving terminals are provided on the outer surface of the insulating case, and a power receiving cord having a personal computer power receiving plug plugged into the external device connecting connector on the left and right sides of the case, and a charging input connector of the mobile phone A charging cord having a charging output plug that can be plugged in and extending substantially symmetrically, an in-vehicle power receiving plug that can be plugged into a cigarette lighter socket of an automobile is provided at one end of the case, and a commercial power source is provided in the other part of the case AC power receiving plugs that can be plugged into outlets, each having a current interrupting element that rapidly increases in resistance due to overcurrent between each power receiving part and the charging cord base, and a charging circuit that meets the charging standards for mobile phone built-in batteries, A battery charger with a built-in mobile phone in which the circuit board is housed in the case.   The battery charger with a built-in mobile phone according to claim 1 or 2, wherein a power receiving plug that can be plugged into a USB connector of a personal computer is used as a personal computer power receiving plug that can be plugged into the external device connecting connector of the personal computer.   Claims that can be charged for built-in batteries of different types of mobile phones by interposing a charge connection conversion adapter according to the type of this connector between the charging output plug and the charging input connector of the mobile phone. The battery charger with a built-in mobile phone according to any one of claims 1 to 3.   The battery charger with a built-in mobile phone according to any one of claims 1 to 4, wherein the charging cord is wound around an expandable cord reel so that the charging cord can be expanded and contracted.   6. A projecting frame capable of sandwiching a PC power receiving plug is formed on an outer surface of the insulating case, and the PC power receiving plug can be fitted and held in the projecting frame. The battery charger with a built-in mobile phone according to claim.   The mobile phone built-in battery according to any one of claims 1 to 6, wherein the AC power supply power receiving plug is folded back from a hinge portion at a base portion thereof and can be stored in an outer surface recess of the insulating case. Charger.   8. The device according to claim 1, wherein a correct charging state can be displayed by a lighting display of a charging display element connected to the base of the charging cord and disposed on the surface of the case. The battery charger with a built-in mobile phone according to the item.

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