KR101471392B1 - Apparatus for charging handphone for bicycle - Google Patents

Abstract

The present invention relates to an apparatus for charging a mobile phone for a bicycle and, more specifically, to an apparatus for charging a mobile phone for a bicycle generating power due to a chain rotating force by enabling a rider to tread on pedals and storing the generated power to charge the mobile phone, which can efficiently charge alternate current power generated by operating the bicycle; minimize power loss during the charging and adjust a real charging period by a timer; charge the mobile phone by operating an emergency battery even if the bicycle is not operated; and use an external power source for use of charging besides the power generated by the bicycle.

Description

[0001] The present invention relates to a charging device for a bicycle,

The present invention relates to a mobile phone charging device for a bicycle, in which a driving force of a pedal coupled to a body is transmitted to a rear wheel through a chain, the bicycle comprising: a driver interposed in an intermediate groove of the chain, And a charger for electrically storing electric power generated from the electric generator through a control circuit, so that the mobile phone can be charged while the bicycle is operating.

BACKGROUND ART [0002] Generally, bicycles have been mainly used for sports, travel, and the like, but recently, they have been used for various purposes such as exercise or commuting, and are particularly attracting attention as vehicles that do not cause noise or pollution.

In recent years, due to the recent development of information and communication technology, all ordinary people have a mobile communication terminal such as a smart phone. In order to use such mobile communication terminal frequently, charging is required. Usually, a battery is replaced or a charging jack of a mobile communication terminal is connected to a charger .

In this case, as a technology for converting the power generated by a user when riding a bicycle to electric power and charging the mobile communication terminal, Korean Public Utility Model 20-2011-0009035 'Self Power Generation and Charging Device for Bicycle' And a self-generating and charging device for a bicycle including a charger.

However, according to Korean Utility Model Application Publication No. 20-2011-0009035, it is possible to charge a mobile phone while driving, but since there is no specific configuration related to the charging circuit of the charger, a conventional charging circuit is used, There is a problem that external power can not be inputted.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a mobile phone charging device for a bicycle which can generate electric power by the power of rotating the chain by pedaling the pedal, , It is possible to efficiently charge the AC power generated by the operation of the bicycle, to minimize the power loss upon charging, to adjust the actual charge timing by the timer, and to charge the mobile phone even when the bicycle is not driven by the emergency battery operation The present invention also provides a mobile phone charging device for a bicycle which can use an external power source in addition to the generated power of a bicycle.

The present invention relates to a mobile phone charging device for a bicycle, and more particularly, to a mobile phone charging device for a bicycle which comprises a rotating shaft and a circular guide plate formed on both ends of the rotating shaft, A generator fixed to the inside of the stator and configured to rotate between a stator and a rotor, and convert the rotational force of the actuator into an electric force; A charger including a control circuit for electrically storing power generated from the generator and controlling the power to a size required for charging the mobile phone; And an electric wire for connecting the electric power stored in the charger to the mobile phone and a connection jack.

The control circuit includes an output interface for outputting the generated power of the generator to the electric wire and the connection jack, an input interface for electrically coupling the generated electric power of the generator, and a parallel port for electrically connecting the accumulator .

In this case, the charging circuit protection unit stabilizes the generated power of the generator by the power stabilization circuit. A battery for inputting and charging generated power of the generator; A constant voltage section for stabilizing an electrical output to output a rated voltage; An internal battery for supplying electric power for a predetermined time even if there is no generated electric power supply from the generator; A watchdog timer for maximizing electric energy consumption efficiency according to circuit operation of the power measuring unit by activating or deactivating circuit operation at predetermined time intervals; A power measuring unit measuring the magnitude of the AC power and delivering the measured value to the AC selection supply unit; A charge warning unit for activating an external display means formed on an outer surface of the charger when the measured value of the power measuring unit is smaller than a predetermined threshold power value; And an AC selection unit for determining whether to output AC power or alternating-current power by outputting the selected AC power to the output interface by comparing the measured value of the power measuring unit with a preset threshold power value; And a control unit.

The connector is inserted into a connector socket of a mobile phone. The support means is formed at a lower portion of the connector and supports a bottom surface of the mobile phone, which is coupled to the connector. And a connection groove formed on one side of the body for allowing the connection jack to be inserted for charging the mobile phone, wherein the connection groove is formed on the bottom surface of the body, And a cell phone support which is erected in a vertical direction and enables charging of the mobile phone.

According to the present invention, it is possible to charge the mobile phone at the same time as the operation of the bicycle and to improve the durability, the grounding force and the compatibility by using the driver as means for transmitting the power between the bicycle and the generator, It is possible to charge AC power efficiently, minimize power loss during charging, adjust the actual charge timing by timer, charge mobile phone even when the bicycle is not running due to emergency battery operation, There is an effect that can be used for charging.

1 is a partial side view of a mobile phone charging apparatus for a bicycle according to a preferred embodiment of the present invention.
FIG. 2 is a partially enlarged view of a mobile phone charging apparatus for a bicycle according to a preferred embodiment of the present invention, FIG.
FIG. 4 is a reference view showing a state where a driver and a generator of a bicycle mobile phone charging device according to a preferred embodiment of the present invention are combined. FIG.
5 is a reference diagram of a charge control circuit according to a preferred embodiment of the present invention.
6 is a perspective view of a cell phone support according to a preferred embodiment of the present invention.
FIG. 7 is a reference view for explaining a connection state between a cell phone support, a wire and a connection jack according to a preferred embodiment of the present invention; FIG.

Before describing the specific details for the practice of the invention, terms and words used in the specification and claims should be construed to enable the inventor to properly define the concept of a term in order to best describe its invention It should be interpreted as meaning and concept consistent with the technical idea of the present invention.

It is to be noted that the detailed description of known functions and constructions related to the present invention is omitted when it is determined that the gist of the present invention may be unnecessarily blurred.

Hereinafter, a mobile phone charging apparatus for a bicycle according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5. FIG.

FIG. 1 is a partial side view of a mobile phone charging apparatus for a bicycle according to a preferred embodiment of the present invention. FIGS. 2 and 3 are enlarged views of a mobile phone charging apparatus for a bicycle according to a preferred embodiment of the present invention, FIG. 5 is a reference diagram of a charge control circuit according to a preferred embodiment of the present invention. FIG. 5 is a reference diagram of a charge control circuit according to a preferred embodiment of the present invention. Referring to FIG.

A mobile phone charging apparatus 100 for a bicycle according to a preferred embodiment of the present invention is largely constituted by a driver 20 and a generator 30 and a charger 40 and is installed on the bicycle 10. [

The bicycle 10 according to the present invention is not particularly limited and any type of bicycle 10 may be used as long as the driving force of the pedal 13 coupled to the body 11 is transmitted to the rear wheel 14 through the chain 12 .

The driving unit 20 includes a rotary shaft 21 and circular guide plates 22a and 22b formed at both ends of the rotary shaft 21, respectively.

The chain (12) is inserted into the groove (23) formed between the guide plates (22a) and (22b). In this case, it is preferable that the groove (23) is formed to a depth such that the chain (12) is not easily removed.

The generator 30 is a means for converting the rotational force of the actuator 20 into an electric force and includes a stator 31 fixed to the inside of the stator 31 and a rotor 32 However, it should be understood that the generator 30 in the present invention is not limited to the above-described configuration, but may be constructed in various forms.

The center axis 33 of the rotor 32 is coupled to the rotation shaft 21 to receive the rotation force of the actuator 20 as it is. On the other hand, reference numerals 24 and 34 in FIG. 4 denote bearings.

The charger 40 includes a control circuit 400 for electrically storing power generated from the generator 30 and controlling the power to a required level for charging the mobile phone. By providing such a control circuit 400, the charging condition of the standard standard is satisfied, and the life of the battery to be charged can be preserved.

The charger 40 may further include an electric wire 61 and a connection jack 62 to charge various mobile phones. In this case, the connection jack 62 may be variously modified according to the shape of the input terminal of the mobile phone.

Hereinafter, the control circuit 400 of the charger 40 according to the preferred embodiment of the present invention will be described in detail.

It is preferable that the electric power that the control circuit 400 according to the present invention supplies to the electric wire 61 and the connection jack 62 is an alternating current electric power and may be set to supply direct current electric power, Interface 429, and the internal power supply line 440 is connected to the electric wire 61.

The control circuit 400 includes an output interface 429 for outputting either one of the generated power of the generator 30 or an external power source (commercial power) to the electric wire 61 and the connecting jack 62, An input interface 420 for electrically coupling generated power or an external power source of the generator 30, and a parallel port 422 for electrically coupling the battery.

5 shows the configuration of the commercial power supply rechargeable control circuit 400 for supplying the AC power supply to the electric wire 61 and the connection jack 62, and the type thereof is the AC power output method.

Referring to FIG. 5, the control circuit 400 relating to the AC selection power couples an input interface 420 composed of a socket type external power input jack and an input jack for connecting the generator 30 to a predetermined PCB.

The input jack for the external power supply of the input interface 420 is coupled to an AC / DC converter 430 configured to output the AC commercial power as the AC power. The AC / DC converter 430, Is connected between the constant voltage section (423) and the AC selection supply section (428).

On the other hand, the input jack for connecting the generator 30 of the input interface 420 is coupled to the charging circuit protection unit 421 through rotation of the PCB.

The charging circuit protection section 421 has a normal circuit configuration for stabilizing the power generation powers input in parallel in accordance with the generation type (alternating current or direct current) of the generator 30 by a normal power stabilization circuit and preventing overcharging .

The output terminal of the charging circuit protection unit 421 is connected to the battery parallel port 422 and utilizes a reverse current blocking function of the diode so as to perform charging and discharging of the generated power to the battery 4300 And prevents a reverse current phenomenon from the battery 4300 to the generator 30 when the generated power amount is relatively small.

The parallel port 422 couples the AC power output from the battery 4300 to the PCB so as to be supplied to one input terminal of the constant voltage section 423.

The constant voltage section 423 has a normal current or voltage smoothing circuit constituted by circuit elements such as a heat sink and a condenser, and is configured to stabilize the electrical output and output the rated voltage.

One output terminal drawn out from the constant voltage section 423 is connected to the second input terminal 428b of the AC selection supply section 428 so as to energize the AC accumulative electric power and the other output terminal receives part of the AC electric power from the internal battery 424 to the charging terminal of the internal battery 424 so as to be used as a charging source for the battery 424.

The AC selection and supply unit 428 has a third input terminal 428c for inputting the AC measurement value from the power measurement unit 426 and selects the AC measurement value input through the third input terminal 428c When the measured value of AC is larger than the value of the AC threshold value, the AC power inputted through the second input terminal 428b is designated as the selected power and output And for outputting the AC power when the measured AC value is smaller than the AC threshold value, and for outputting the AC commercial power inputted through the first input terminal 428a as the AC selected power, . Here, the AC selection supply unit 428 incorporates a predetermined AC cut-off circuit for selectively interrupting the output of the AC power.

The operating power of the AC selection supply unit 428, the watchdog timer 425 (WDT), the power measuring unit 426 and the charging warning unit 427 is supplied to the power supplied from the constant voltage unit 423 or to the internal battery 424 Or a power source.

The internal battery 424 enables the circuit operation of the control circuit 400 for a predetermined time even if there is no power supply from the generator 30 to the control circuit 400 of the present invention, It is possible to charge a considerable amount.

The watchdog timer 425 is configured to maximize the efficiency of electric energy consumption according to the circuit operation of the power measuring unit 426 by activating or deactivating the circuit operation at any one time period, regularly or irregularly.

The power measuring unit 426 connected to the watchdog timer 425 is connected to the third input terminal for signal input of the AC selection supply unit 428 through the signal line of the PCB. The connected power measuring unit 426 measures the magnitude of the AC power from a predetermined measurement point, for example, a predetermined line contact point between the constant voltage unit 426 and the AC selection supply unit 428, To the third input terminal (428c) for signal input of the supply unit (428).

At this time, as described above, the AC selection and supply unit 428 compares the input measured value with the threshold power value stored in advance in the memory of the input power selection and supply unit 428, so that either one of the AC conversion power or the AC power To be outputted as the AC selection power.

The output terminal 428d of the AC selection supply unit 428 is connected to the input terminal of the output interface 429 so that the AC selection power is output through the other of the power lines of the PCB.

The output terminal of such an output interface 429 supplies the AC selection power to the electric wire 61 through the internal power supply line 440.

The charging warning unit 427 connected to the power measuring unit 426 is configured in a circuit so as to receive the threshold power value stored in advance in the AC selection supply unit 428. The measured value of the power measuring unit 426 (For example, an LED element) attached to the outer surface of the charger 40 when the threshold value is lower than the power supply value of the threshold value.

The mobile phone charging apparatus 100 for a bicycle configured as described above can improve the power generation efficiency of the generator 30 by the deformation of the driver 20. [

Specifically, the actuator 20 includes a plurality of locking protrusions 25 extending from an outer circumferential portion of the rotary shaft 21. In this case, it is preferable that the plurality of the engagement protrusions 25 are formed at a predetermined interval with the predetermined length so as to be continuously inserted into the chain 12 simultaneously with the rotation of the chain 12.

The driver 20 and the chain 12 are rotated more closely grounded to prevent idle rotation of the actuator 20. Therefore, the efficiency of the generator 30 that is generated based on the rotational force of the driver 20 is increased.

In this case, in order to further improve the power generation efficiency of the generator 30, the engaging protrusion 25 may be inclined. It is preferable that the inclining direction of the engaging projection 25 is directed in a direction opposite to the rotating direction of the chain 12 so that the engaging projection 25 is surely engaged with the chain 12. [

For example, when the bicycle 10 advances and the chain 12 rotates in a counterclockwise direction, the locking protrusion 25 is inclined in a clockwise direction and is hooked on the chain 12 in a reverse direction.

In addition, in the present invention, the engagement protrusions 25 can be made lighter and improved in durability by being manufactured using a metal material having excellent abrasion resistance.

3, the drive unit 20 may be installed at a lower portion of the chain 12. In this case, the drive unit 20 may be mounted on the pulley arm 26 so that the drive unit 20 is not pushed downward. It is preferable that a spring (not shown)

Specifically, the pulley arm 26 is coupled to the bracket 50 and rotates in a vertical direction, and an elastic force is applied upward by a pig tail spring provided on the inner side, .

Accordingly, power can be continuously transmitted from the chain (12) to the driver (20).

When the actuator 20 is installed on the upper portion of the chain 12 as shown in FIG. 2, the pig tail spring bent in the opposite direction is inferred to be applied You can do it.

3, the pulley arm 26 may be configured as a two-stage folding type of the first pulley arm 26a and the second pulley arm 26b.

With this structure, the length of the pulley arm 26 can be freely adjusted according to the distance from the chain 12, and buffering action can also be anticipated incidentally. Here, the number of pulleys of the pulley arms 26 is two, but it should be understood that the present invention is not limited thereto, and it is also possible to constitute three or more pulleys if necessary.

Hereinafter, the operation of the present invention will be described.

First, when the driver rides on the bicycle 10 and depresses the pedal 13, the chain 12 rotates.

Subsequently, the drive unit 20 engaged with the chain 12 is also rotated according to the rotation of the chain 12. The rotational force of the drive unit 20 is transmitted to the generator 30 To the central axis 33 of the first and second axes.

As a result, the center shaft 33 is rotated, and the rotor 32 is rotated inside the stator 31 to generate electric power.

The electric power generated according to the above is supplied to the charger 40 through the electric wire 61. The power supplied to the charger 40 is controlled by the control circuit to a size necessary for charging the mobile phone.

Finally, the electric power stored in the charger 40 is transmitted through the electric wire 61 to reach the input terminal of the mobile phone connected to the connection jack 62. As a result, the battery is charged by the power supplied through the input terminal.

1, a pedestal 70 is installed on the rear side of the bicycle 10, and the connecting jack 62 is connected to the pedestal 70. In addition, The notebook PC can be connected to the connection jack 62 while being fixed to the pedestal 70, so that it can be securely charged even during the exercise.

Further, the present invention may include a cell phone support formed on the upper surface of the handle of the bicycle 10, which will be described in detail with reference to Figs. 6 and 7. Fig.

FIG. 6 is a perspective view of a cell phone support according to a preferred embodiment of the present invention, and FIG. 7 is a reference view for explaining a connection state between a cellphone support, a wire, and a connection jack according to a preferred embodiment of the present invention.

With such a mobile phone support, the mobile phone can be fixedly supported while vertically inserting the mobile phone by using the connector socket of the mobile phone. Therefore, the bike driver can enjoy various services of the mobile phone while driving even when the mobile phone user does not hold the mobile phone by hand Can be conveniently used.

In addition, the mobile phone support according to the present invention is removable and easy to move, and the mobile phone can be easily charged even if the electric wire 61 and the connection jack 62 are used.

6 and 7, a cell phone support 500 according to a preferred embodiment of the present invention is capable of supporting a cell phone in a vertical direction by being coupled to a connector socket formed in a lower portion of the cell phone, A supporting means 513 formed on the lower outer side of the connector 511 to support the bottom surface of the mobile phone coupled to the connector 511, And a body 515 formed on a lower portion of the bicycle 10 and having a flat bottom surface and attached to an upper end of the handle of the bicycle 10.

Since the connector socket of the mobile phone is generally formed in a rectangular shape, it is preferable that the connector 511 is also formed in a rectangular shape that can be engaged with the connector socket.

Preferably, the support means 513 is designed to be wider than the bottom width of the connector 511.

The shape of the body 515 may be a cylindrical shape, a triangular shape, or a polygonal shape, but is not limited thereto.

On one side of the body 515, a connection groove 517 is formed in which a wire 61 and a connection jack 62 can be inserted for charging a mobile phone.

Accordingly, according to the present invention, the charging power transmitted to the connection jack 62 can be eventually transmitted to the mobile phone along the connection groove 517, the body 515, the support means 513, and the connector 511, Charging is completed during operation of the bicycle, and various services of the mobile phone can be conveniently used during operation, and the electric wire 61 and the connection jack 62 can extend to the handle.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, 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. It will be appreciated by those skilled in the art that numerous changes and modifications can be made without departing from the invention. Accordingly, all such modifications and variations are intended to be included within the scope of the present invention.

10: Bicycle 11: Body
12: Chain 13: Pedal
14: Rear wheel 20: Actuator
21: rotation shaft 22a, 22b: guide plate
23: groove 24: bearing
25: stumbling block 26: pulley arm
26a, 26b: first and second pulley arms 30: generator
31: stator 32: rotor
33: center shaft 34: bearing
40: Charger 50, 51: Bracket
52: Through hole 53: Lever
54a, 54b: ground portion 55:
56: Handle 61: Wire
62: Jack for connection 70: Bracket
100: Cell phone charging device for bicycle 400: Control circuit
420: input interface 421: charging circuit protection section
422: parallel port 423: constant voltage section
424: internal battery 425: watchdog timer
426: Power measurement unit 427: Charge warning unit
428: AC selection supply part 428a: first input terminal
428b: second input terminal 428c: third input terminal
428d: output terminal 429: output interface
430: AC / DC conversion unit 440: Internal power supply line
4300: Battery 500: Cell phone stand
511: connector 513: supporting means
515: body 517: connecting groove

Claims (4)

A bicycle mobile phone charging apparatus (100)
The bicycle 10 includes a rotating shaft 21 and circular guide plates 22a and 22b formed at both ends of the rotating shaft 21 so as to be inserted into the chain 12 of the bicycle 10, A driver 20 that rotates according to driving;
A generator 30 configured by a stator 31 fixed to the inside of the stator 31 and a rotator 32 installed between the stator 31 and converting the rotational force of the actuator 20 into an electric force;
A charger (40) including a control circuit (400) electrically storing power generated from the generator (30) and controlling the power to a size necessary for charging the mobile phone; And
And a connection jack (62) for transmitting electric power stored in the charger (40) to a mobile phone,
The control circuit (400)
An output interface (429) for outputting power generated by the generator (30) to the electric wire (61) and the connection jack (62);
An input interface (420) for electrically coupling generated power of the generator (30);
A parallel port 422 for electrically coupling the battery;
A charging circuit protection section (421) for stabilizing the generated power of the generator (30) by a power stabilization circuit;
A battery (4300) for inputting and charging generated power of the generator (30);
A constant voltage section (423) for stabilizing the electrical output and outputting a rated voltage;
An internal battery 424 for supplying power for a predetermined time even if there is no generated power supply from the generator 30;
A watchdog timer 425 for maximizing electric energy consumption efficiency according to circuit operation of the power measuring unit 426 by activating or deactivating circuit operation at predetermined time intervals;
A power measuring unit 426 measuring the magnitude of the AC power and delivering the measured value to the AC selection / supply unit 428;
A charge warning unit 427 for activating external display means formed on an outer surface of the charger 40 when the measured value of the power measuring unit 426 is smaller than a preset threshold value power supply value; And
When the measured value of the power measuring unit 426 is compared with a predetermined threshold power value, it is determined whether the alternating-current power or the alternating-current power is to be output as the AC selection power, and the selected power is output to the output interface 429 And an AC selection supply unit (428)
A connector 511 attached to the upper end of the handle of the bicycle 10 to be inserted into a connector socket of a mobile phone and a connector 511 formed at a lower portion of the connector 511 to support the bottom surface of the mobile phone coupled to the connector 511 A body 515 formed at a lower portion of the supporting means 513 and having a bottom surface attached to an upper end of a handle of the bicycle 10 and a body 515 formed on one side of the body 515, And a connection groove (517) for allowing the connection jack (62) to be inserted for charging, and a cell phone support for supporting the cell phone in a vertical direction and allowing the cell phone to be charged With features,
The shape of the body 515 may be any one of a cylindrical shape, a triangular prism shape, and a polygonal prism shape. The shape of the connector 511 is a rectangular shape, and the supporting means 513 is designed to be wider than the bottom surface width of the connector 511. Wherein the mobile phone is a mobile phone.
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