TWI481434B - Golf club, grip and power control unit mounted to golf club, and method for controlling power supply to electronic device mounted to golf club - Google Patents

Description

Golf clubs, grips and power control units for golf clubs, and Method of controlling electric power of an electronic device provided on a golf club

The present invention relates to a golf club, a grip and power control unit disposed on a golf club, and a method of controlling power of an electronic device disposed on the golf club, particularly a golf club based The tilt control powers the golf club attached to the electronic device of the golf club, the grip and the power control unit disposed on the golf club, and the control power of the electronic device disposed on the golf club method.

The basic purpose of golf is to use the right golf swing to properly hit the golf ball. Golfers often practice golf swings with golf clubs that are equipped with different electronic devices.

For example, some golf clubs are provided with electronic devices including different sensors, such as sensors for detecting the position of a golf club head, wherein when the golf ball is struck with a golf club, the golf club head Hit by a golf ball. Electronic devices including light-emitting diodes (LEDs) are also disposed on certain golf clubs that are disposed on the golf club head to allow the golfer to view the swing trajectory when performing a golf swing.

The golfer uses a golf club provided with an electronic device, including a sensor for detecting the speed of the golf club head and the angle of the backward swing when the golf ball is struck, and a display device for The speed of the golf club head calculates and displays the travel distance.

When such an electronic device is disposed on a golf club head, the electronic device operates with power received from a power supply device such as a battery. However, when the user uses the golf club, power is continuously supplied to the electronic device regardless of whether the electronic device disposed on the golf club is operating. This causes unnecessary power consumption and reduces the life of the battery or the like. A further problem is that when a user performs a golf round using a golf club equipped with an electronic device, the power of the battery for the electronic device is used up before the end of the golf round, and the user is often required to replace the battery.

Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a golf club, a grip disposed on a golf club, a power control unit, and a golf club for performing different functions. A method of controlling power of an electronic device, wherein power supply to the electronic device is automatically controlled according to a tilt of the golf club such that when the electronic device is activated by a user, power is automatically supplied to the electronic device, and when the electronic device follows When the user inverts the golf club and disables it, the power supply to the electronic device is automatically interrupted, thereby significantly reducing power consumption and greatly improving the service life of the power unit such as the battery that is supplied to the electronic device.

Another object of the present invention is to provide a power control unit that supplies power to any type of appliance, including an electronic device that operates from a power unit, wherein the power supply to the electronic device is automatically controlled in accordance with the tilt of the appliance In order to reduce power consumption and significantly improve the service life of the power unit.

In accordance with embodiments of the present invention, the above and other objects are achieved by providing a golf club including a golf club head, a handle, a grip, and an electronic device for achieving a particular function, and a power control device. The electronic device is internally or externally disposed on at least one of the golf club head, the handle and the grip, and the power control device is configured to control power supply from the power unit to the electronic device according to the tilt of the golf club .

Preferably, the power control device includes a switching device that operates in accordance with the tilt of the golf club to electrically connect the power unit and the electronic device to each other or to electrically disconnect the power unit from the electronic device.

Preferably, the electronic device includes an operation detecting sensor for detecting the tilt of the golf club, and the power control device includes a controller for detecting the sensor according to the operation. As a result of the measurement, an electrical connection between the power unit and the electronic device is controlled.

Preferably, the electronic device includes an operation detecting sensor for detecting the tilt of the golf club, and the power control device includes a controller and a switching device, wherein the controller is configured to operate according to the operation Detecting a detection result of the sensor, performing a control operation for mutually separating the power unit from the electronic device, and the switching device operates according to the tilt of the golf club to electrically connect the power unit and the electronic device to each other Device.

Preferably, the electronic device includes an operation detecting sensor for detecting the tilt of the golf club, and the power control device includes a relay device, a switch device and a control The relay device is connected to the first end and the second end of the power unit, and is connected to the electronic device, thereby electrically connecting the power unit to the electronic device or electrically disconnecting the power unit from the electronic device and the electronic device a device for activating the relay device via the first end of the power unit according to the tilt of the golf club to electrically connect the second end of the power unit to the electronic device, and the controller The relay device is controlled to electrically disconnect the second end of the power unit from the electronic device by detecting the detection result of the sensor according to the operation.

In accordance with another embodiment of the present invention, the above and other objects are achieved by providing a golf club grip including a golf club head, a handle, a grip, and a power control device for achieving a particular a functional electronic device that is internally or externally disposed in at least one of the golf club head, the handle, and the grip, the grip including a power unit disposed in the grip for supplying power to the electronic device, And the power control device is disposed in the grip for controlling the power supply from the power unit to the electronic device according to the tilt of the golf club.

According to another embodiment of the present invention, the above and other objects are achieved by providing a power control unit and a power control device. The power control unit is internally or externally disposed on a body provided with an electronic device, and includes a Power is supplied to the electronic unit of the electronic device, and the power control device controls power supply from the power unit to the electronic device according to the tilt of the body.

Preferably, the power control device includes a switching device that operates in accordance with the tilt of the body to electrically connect the power unit and the electronic device to each other or to electrically disconnect the power unit from the electronic device.

Preferably, the electronic device includes an operation detecting sensor for detecting the tilt of the body, and the power control device includes a controller for detecting the detection result of the detecting sensor. Controlling an electrical connection between the power unit and the electronic device.

Preferably, the electronic device includes an operation detecting sensor for detecting the tilt of the body, and the power control device includes a relay device, a switching device and a controller, wherein the relay device is connected to the The power unit and the electronic device are electrically connected to the power unit and the electronic device, or electrically disconnected from the power unit and the electronic device, and the controller is configured to control the detection result of the sensor according to the operation, and control the relay The devices are electrically disconnected from the power unit and the electronic device, and the switch device is configured to electrically connect the power device to the electronic device and the electronic device according to the tilt of the body.

According to another embodiment of the present invention, the above and other objects are achieved by a method for controlling power of an electronic device disposed on a golf club, the golf club including a golf club head, a handle and a grip. The electronic device includes an operation detecting sensor for detecting the tilt of the golf club, the method comprising: electrically connecting a power unit and the electronic device to each other to supply power to the electronic device; The sensor detects the tilt of the golf club; and performs a control operation for mutually separating the power unit from the electronic device according to the detection result of the operation detecting sensor.

Preferably, supplying power to the electronic device includes initiating a switching device connected to the power unit and the electronic device when the golf club is tilted at a specific angle, thereby electrically connecting the power unit and the electronic device to each other.

Preferably, the golf club includes a relay device and a switch device, wherein the relay device is connected to the first end and the second end of the power unit, and is connected to the electronic device, thereby electrically connecting to each other. The power unit and the electronic device are electrically disconnected from the power unit and the electronic device, and the switching device is connected to the first end of the relay device, and supplying power to the electronic device includes tilting according to the golf club The relay device is activated via a first end of the power unit to electrically connect the second end of the power unit to the electronic device.

Preferably, the golf club includes a relay device connected to the power unit and the electronic device, thereby electrically connecting the power meter and the electronic device to each other, or electrically disconnecting the power unit from the electronic device, and Performing control operations for mutually electrically disconnecting the power unit from the electronic device includes controlling the relay device according to the detection result of the operation detecting sensor, thereby electrically disconnecting the power unit from the electronic device.

An embodiment of a golf club according to the present invention, a grip disposed on a golf club and a power control unit, and a method of controlling electric power of an electronic device disposed on the golf club will be described in detail with reference to the accompanying drawings.

A power control apparatus for a golf club or grip according to the present invention basically comprises a power unit and a power control unit, wherein the power unit is used to supply power to the electronic device for achieving a specific function and is internally or externally configured for golf At least one of the club head, the handle and the grip One of the power control devices is for controlling the power supply from the power unit to the electronic device in accordance with the tilt of the golf club.

Figure 1 shows an exemplary electronic device E that is associated with a golf club. As shown in FIG. 1, in the present example, the vibration generating unit 40, the control unit 50, the operation detecting sensor 30, and the power unit 10 are disposed in the grip 130 on the golf club grip 120 of the golf club 100. .

The function of the electronic device E shown in FIG. 1 is to detect the operation of the golf club when the user swings the golf club through the operation detecting sensor 30, and provide the vibration generated by the vibration generating unit 40, corresponding to Specific information about the detected operation to the user.

Here, the power unit 10 may include any battery such as a primary battery or a secondary battery.

2 and 3 are block diagrams showing a power unit 10, a power control device, and an electronic device E disposed on a golf club or a grip in accordance with a second different embodiment of the present invention.

In the embodiments of FIGS. 2 and 3, the power control device of the golf club or the grip according to the present invention controls the detection result of the sensor 30 by detecting the tilt of the golf club. (ie, starting or interrupting) power supply to the electronic device E.

In the embodiment shown in FIG. 2, the electronic device E disposed on the golf club or the grip includes the operation detecting sensor 30 and performing the essential functions of the electronic device E and also controlling the functions of the power control device. M.

Here, the function of the controller M is regarded as a power control device that controls the electrical connection between the power unit 10 and the electronic device E according to the detection result of the operation detecting sensor 30.

The electronic device E configured with the golf club or the grip includes the functions of the controller M and the operation detecting sensor 30, and the controller M and the operation detecting sensor 30 are regarded as the original functions for implementing the electronic device E. Components. In addition to the functions of the controller M and the operation detecting sensor 30, the functions of the power control device are added to the electronic device E to enable sufficient power control without additional components.

As shown in FIG. 2, the electronic device E includes different components, such as component 1 and component 2, including a controller M and an operation detecting sensor 30.

The controller M is not only connected to the operation detecting sensor 30 but also connected to other different components such as the component 1 and the component 2. Here, it is preferable that the controller M is connected to the elements via the switching unit S.

When the controller M receives power from the power unit 10 and supplies power to the operation detecting sensor 30 When the components of the electronic device E are in the middle of the electronic device E (where the switch unit S is turned off), the controller M opens the switch unit S when the operation detecting sensor 30 detects that the tilt of the golf club is a preset tilt. Electricity is supplied to these components.

In the embodiment of FIG. 2, the controller M and the operation detecting sensor 30 always receive power from the power unit 10, and the controller M operates the switching unit S to control the supply of power to other components of the electronic device E.

In the embodiment of FIG. 3, the controller M and the operation detecting sensor 30 are disposed separately from the electronic device E, thereby controlling the supply of power to the electronic device E.

As shown in FIG. 3, when the controller M and the operation detecting sensor 30 always receive power from the power unit 10, the controller M detects the golf club detected by the sensor 30 according to the operation. Tilt to control the switch unit S while allowing or not supplying power to the electronic device E.

A golf club or a grip according to another embodiment of the present invention and a power control unit disposed thereon will be described below with reference to FIGS. 4 and 5.

As shown in FIGS. 4 and 5, the power control device disposed on the golf club or the grip according to another embodiment of the present invention includes the switch device 200 electrically connected or disconnected from the power unit according to the inclination of the golf club. 10 and electronic device E.

The switching device 200 is a device that operates to pass the electric current and tilt in the opposite direction of the switching device 200 when the switching device 200 is tilted at a specific angle to cut off the electrical connection between the power unit 10 and the electronic device E. For example, the switching device 200 can be implemented as a tilt switch as shown in FIG.

As shown in FIG. 5, the switching device 200 implemented as a tilt switch includes a housing 210 defining a specific space within the switching device 200, a ball 250 moving within the housing 210, and a power unit 10 and an electronic device E, respectively. Ends 220 and 230, and ends 221 and 231 disposed in housing 210 and connected to ends 220 and 230, respectively.

The sphere 250 may be formed of, for example, a metal, or may be formed of a non-conductive sphere whose surface is coated with a conductor.

Therefore, when the switching device 200 is tilted as shown in Fig. 5(a), the ball 250 is brought into contact with the two end portions 221 and 231, thereby electrically connecting the two end portions 220 and 230 to each other. On the other hand, when the switching device 200 is tilted as shown in Fig. 5(b), the ball 250 is moved apart from the two end portions 221 and 231, thereby electrically separating the two end portions 220 and 230 from each other.

According to this principle of operation of the switch device 200, when the golf club 100 is turned upright (i.e., turned into a golf club head down), as shown in Fig. 4(a), the switch device 200 is brought to the front. In the state shown in FIG. (a), the power unit 10 and the electronic device E are electrically connected to each other, whereby power is supplied to the electronic device E.

Further, when the golf club 100 is turned upside down (i.e., turned into a golf club head upward), as shown in Fig. 4(b), the switch device 200 is brought as shown in Fig. 5(b) In the illustrated state, the power unit 10 and the electronic device E are electrically separated from each other, thereby interrupting the supply of power to the electronic device E.

Therefore, when the user places the golf club 100 upright to use the golf club 100 as shown in Fig. 4(a), electric power is supplied to the electronic device E, and the electronic device E is operated. On the other hand, when the golf club 100 is turned upside down and brought into the golf bag, the switching device 200 cuts off the electrical connection between the power unit 10 and the electronic device E, thereby interrupting the supply of power to the electronic device E. This prevents power consumption when the user does not use the golf club, resulting in improvement in the service life of the power unit 10.

Although in the example shown in FIG. 5, the switching device 200 is implemented as a tilt switch having a simple structure, which operates in accordance with the movement of the ball 250, the switching device applied to the present invention may include not only the one shown in FIG. A simple structure of the tilt switch, and there are other mechanisms or devices that can selectively establish or cut electrical connections by mechanical operation.

Hereinafter, a golf club or a grip provided to a golf club and a method for controlling power supply to an electronic device disposed on a golf club according to another embodiment of the present invention will be described with reference to FIGS. 6 and 7.

In the embodiments shown in FIGS. 6 and 7, basically, the electric power is supplied to the electronic device when the golf club 100 is turned upright, and the supply of electric power to the electronic device is turned up and down in the golf club 100. Interrupted when inverted.

The power control device of the present embodiment includes a relay device 300, a controller (not shown), and a switching device 200. The relay device 300 is connected to the power unit and the electronic device E, thereby electrically connecting the power unit and the electronic device E to each other, or electrically disconnecting the power unit from the electronic device E. The controller (not shown), which may be included in the electronic device E or independently of the electronic device E, controls the relay device 300 to be separated from the power unit and the electronic device E according to the detection result of the operation detecting sensor 30. . The switching device 200 is operated to enable the relay device 300 to electrically connect the power unit and the electronic device E to each other in accordance with the inclination of the golf club 100.

Here, the power unit is divided into two ends (the first end portion 10-1 and the second end portion 10-2), which are separately provided circuits. However, the first end portion 10-1 and the second end portion 10-2 are only the two end portions of the same power source.

The power unit may be configured such that the first end 10-1 of the power unit is connected to the switching device 200 and the relay device 300, and the second end 10-2 thereof is connected to the relay device 300 and the electronic device E.

When the golf club 100 is in a state where power supply to the electronic device E is permitted, the switching device 200 is activated to supply power to the electronic device E, and when the golf club 100 is powered off to the electronic device E is interrupted In the state, the angle of the golf club 100 is detected by the operation detecting sensor 30, and when the detecting angle is the preset angle (or the preset angle range), the power supply is interrupted to the electronic device E via the relay device 300. .

That is, when the golf club 100 is turned upright as shown in FIG. 6(a), the switching device 200 electrically connects the first end portion 10-1 of the power unit and the relay device 300 to each other to activate the relay device 300. The second end portion 10-2 of the power unit is electrically connected to the electronic device E to supply power to the electronic device E. On the other hand, when the golf club 100 is turned upside down as shown in FIG. 6(b), the operation detecting sensor 30 detects the tilt of the golf club 100 and provides the detected tilt to the control. The controller (not shown), and the controller (not shown) then causes the relay device 300 to electrically disconnect from each other with the second end 10-2 of the power unit and the electronic device E, thereby interrupting the supply of power to the electronic device E.

Here, when the golf club 100 is turned into an upright as shown in FIG. 6(a), the switching device 200 receives only the power from the first end 10-1 of the power unit, and is in the second via the power unit. When the end portion 10-2 is supplied to the electronic device E, the relay device 300 is activated. When the golf club 100 is in a state where the power supply to the electronic device E is interrupted, the controller (not shown) controls the relay device 300 according to the detection result of the operation detecting sensor 30 to interrupt the power supply to the electronic device. E, without being affected by the switching device 200.

Hereinafter, the arrangement shown in Figs. 6(a) and 6(b) will be described in more detail with reference to Figs. 7(a) and 7(b). Fig. 7(a) shows a more detailed example of the configuration shown in Fig. 6(a), and Fig. 7(b) shows a more detailed example of the configuration shown in Fig. 6(b).

As shown in FIGS. 7(a) and 7(b), the relay device 300 may include a switch 310, an electromagnet 320, and a spring 330. The switch 310 selectively opens or closes the contact connected to the electronic device E The point (or selectively opened or closed) is used to selectively connect or detach the second end 10-2 of the power unit from the electronic device E. The electromagnet 320 selectively generates a magnetic force depending on whether or not the electric power is supplied to open or close the switch 310. Spring 330 provides an elastic force for operating switch 310.

As shown in FIG. 7(a), in a case where the switch device 200 is activated as the golf club is turned upright, the switch device 200 electrically connects the first end portion 10-1 of the power unit and the relay device 300 to each other. The electromagnet 320 is used to cause the electromagnet 320 to generate a magnetic force. The magnetic force generated by the electromagnet 320 causes the switch 310 to be activated to close the contact point, thereby electrically connecting the second end 10-2 of the power unit to the electronic device E. This allows the power of the power unit to be supplied to the electronic device E.

Here, as described above, after the switching device 200 activates the relay device 300 to electrically connect the second end portion 10-2 of the power unit and the electronic device E to each other, the controller M supplies power to the relay device 300, and allows the relay device 300 to Continuous operation. Therefore, turning off the switching device 200 does not affect the entire circuit. That is, it is impossible to prevent the power unit from supplying power to the electronic device E.

Therefore, after the electronic device E is connected to the power unit, the malfunction of the switch device 200 does not affect the entire circuit, and thus the electronic device E can be prevented from malfunctioning.

On the other hand, as shown in Fig. 7(b), in the case where the golf club is in the inverted position such that when the relay device 300 detects and provides the inclination of the golf club to the controller M, the controller M decides The power supply to the electronic device E is interrupted, the controller M cuts off the power to the electromagnet 320 of the relay device 300, and as the electromagnet 320 loses its magnetic force, the switch 310 is activated by the elastic restoring force of the spring 330 to open the contact point. This causes the electronic device M to electrically disconnect from the second end portion 10-2, thereby interrupting the supply of power to the electronic device M.

Here, the preferred controller M may be preset to a specific range of the inclination of the golf club, wherein the power supply to the electronic device M is interrupted, and when the tilt of the golf club detected by the operation sensor 30 is When the preset range is within, the power supply is interrupted to the electronic device M as shown in Fig. 7(b).

Although, in order to explain the operation principle of the relay device 300 according to the present invention, the example shown in FIG. 7 implements the relay device 300 in a simple structure in which the relay device 300 is activated via the switch 310, the electromagnet 320, and the spring 330, but not only has The relay of a simple structure shown in Fig. 7 can be applied to the present invention using any other structure or design of the relay.

As described above, when the user erects the golf club to use the golf club, the power control device of the present invention allows power to be supplied to the electronic device, and when the user puts the golf club upside down in the golf club bag When the golf club is tilted, the power supply is automatically interrupted. Should be to the electronic device. This effectively uses electricity to significantly improve the life of the power unit, such as primary or secondary batteries.

As is apparent from the above description, the push rod, the golf club, the grip, and the power control unit coupled to the golf club according to the present invention, and the method for controlling the supply of electric power to the electronic device have various advantages. For example, the power supply to the electronic device disposed on the golf club for performing different functions is automatically controlled according to the inclination of the golf club, so that when the electronic device is activated by the user, the power is automatically supplied to the electronic device, and When the electronic device is used as the user turns the golf club upside down, the power supply is interrupted to the electronic device, thereby significantly reducing power consumption and greatly improving the service life of the power unit such as the battery that supplies power to the electronic device.

Furthermore, the power control unit according to the present invention is applied to any type of appliance, including an electronic device that operates with power received from the power unit, which has the advantage that the power supply to the electronic device is automatically controlled in accordance with the tilt of the appliance, whereby Reduce power consumption and dramatically improve the life of power units such as batteries.

The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the present invention in any way, and any modifications or alterations to the present invention made in the spirit of the same invention. All should still be included in the scope of the intention of the present invention.

10‧‧‧Power unit

10-1‧‧‧First end

10-2‧‧‧second end

30‧‧‧Operation detection sensor

40‧‧‧Vibration generating unit

50‧‧‧Control unit

100‧‧‧ golf clubs

120‧‧‧ golf club handle

130‧‧‧ grip

200‧‧‧Switching device

210‧‧‧Shell

220, 230‧‧‧ end

221, 231‧‧‧ end

250‧‧‧ sphere

300‧‧‧Relay device

310‧‧‧Switch

320‧‧‧Electrical Stone

330‧‧‧ Spring

E‧‧‧Electronic device

M‧‧‧ controller

S‧‧‧ Switching unit

The above and other objects, features and other advantages of the present invention will become more apparent from 2 and 3 are block diagrams showing a power control unit of a golf club or a grip according to two different embodiments of the present invention; FIGS. 4(a) and 4(b) respectively show The power supply is allowed and when the power is interrupted, the power control unit is disposed on the golf club or the grip according to another embodiment; FIGS. 5(a) and 5(b) respectively show when the switch device establishes the power unit and Exemplary switching devices shown in Figures 4(a) and 4(b) when the electrical connections between the electronic devices E are electrical and when the switching devices are disconnected; Figure 6 (a) and 6 Figure (b) shows the other when the power supply is allowed and when the power is interrupted The embodiment is provided with a power control unit of a golf club or a grip; and Fig. 7(a) shows a more detailed example of the configuration shown in Fig. 6(a), and Fig. 7(b) shows a sixth figure (Fig. 7(b) shows Fig. 6 ( b) A more detailed example of the configuration shown.

10‧‧‧Power unit

30‧‧‧Operation detection sensor

40‧‧‧Vibration generating unit

50‧‧‧Control unit

100‧‧‧ golf clubs

120‧‧‧ golf club handle

130‧‧‧ grip

E‧‧‧Electronic device

Claims (5)

A golf club comprising: a golf club head; a handle; a grip; an electronic device for implementing a specific function, the electronic device being internally or externally disposed on the golf club head, the handle and At least one of the grips; a power unit for supplying power to the electronic device; and a power control device for controlling power supply from the power unit to the electronic device according to the tilt of the golf club The electronic device includes an operation detecting sensor for detecting the tilt of the golf club, and the power control device includes: a relay device connected to a first end of the power unit and a first a second end portion connected to the electronic device to electrically connect the power unit and the electronic device to each other, or electrically disconnected from the power unit and the electronic device; a switching device for adjusting the tilt of the golf club The first end of the power unit activates the relay device, and electrically connects the second end of the power unit to the electronic device; A controller for detecting operation according to the detecting result of the sensor, controlling the relay means, whereby the power unit are electrically from the second end portion of the electronic device. The golf club according to claim 1, wherein the switch device comprises: a casing defining a specific space within the switch device; a ball formed by a conductor or plated with a conductor, wherein the ball is in the casing Internally moving; and two ends connected to the power unit and the electronic device, respectively, wherein when the golf club is turned upright, the ball is brought into contact with the two ends, thereby electrically connecting the two via the ball The end portion, and when the golf club is turned upside down, the ball moves to be partially separated from the two ends, thereby electrically separating the two ends from each other. A golf club grip comprising a golf club head, a handle, the grip, and an electronic device for performing a specific function, the electronic device being internally or externally disposed on the golf club head, At least one of the handle and the grip, the grip includes: a power unit disposed in the grip for supplying power to the electronic device; and a power control device disposed in the grip Controlling the power supply from the power unit to the electronic device according to the tilt of the golf club, wherein the electronic device includes an operation detecting sensor for detecting the tilt of the golf club, and the The power control device includes: a relay device connected to a first end and a second end of the power unit, and connected to the electronic device, thereby electrically connecting the power unit and the electronic device to each other, or electrically Disengaging the power unit from the electronic device; a switching device for activating the relay device via the first end of the power unit according to the tilt of the golf club, The second end of the power unit is electrically connected to the electronic device; and a controller is configured to detect the detection result of the sensor according to the operation, and control the relay device to electrically disconnect the power unit from each other The second end is connected to the electronic device. A power control unit is disposed on a golf club, and is disposed internally or externally on a body of the golf club, and an electronic device is disposed in the body, the power control unit includes: a power unit, configured to: Powering the electronic device; and a power control device for controlling power supply from the power unit to the electronic device according to the tilt of the body, wherein the electronic device includes an operation detection sensor for detecting The tilting of the body, wherein the power control device comprises: a relay device connected to a first end portion and a second end portion of the power unit, and connected to the electronic device, thereby electrically connecting the power unit to each other The electronic device, or electrically disconnected from the power unit and the electronic device; a switching device for passing the first end of the power unit according to the tilt of the body The relay device is activated, and the second end of the power unit is electrically connected to the electronic device; and a controller is configured to control the detection result of the sensor according to the operation, thereby controlling the relay device, thereby The second end of the power unit is electrically disconnected from the electronic device. A method of controlling electric power of an electronic device disposed on a golf club, the golf club including a golf club head, a handle and a grip, the electronic device including a tilting member for detecting the tilt of the golf club Operating the detection sensor, the method comprising: electrically connecting a power unit and the electronic device to each other to supply power to the electronic device; detecting the sensor to detect the tilt of the golf club; and Performing a control operation for mutually separating the power unit from the electronic device according to the detection result of the operation detecting sensor, wherein the golf club includes: a relay device connected to the first of the power unit An end portion and a second end portion connected to the electronic device, thereby electrically connecting the power unit and the electronic device to each other, or electrically disconnecting the power unit from the electronic device; and a switching device connected to the power unit The first end portion and the relay device, and supplying power to the electronic device including the tilt of the golf club via the power unit The starting end of the first relay apparatus, whereby the power unit are electrically connected to the second end portion of the electronic device.