KR20100033300A

KR20100033300A - Apparatus for revising a swing of a golf club

Info

Publication number: KR20100033300A
Application number: KR1020080092406A
Authority: KR
Inventors: 임재선; 장석호
Original assignee: 임재선; 장석호
Priority date: 2008-09-19
Filing date: 2008-09-19
Publication date: 2010-03-29

Abstract

Golf club swing correction device according to the present invention includes a two-axis acceleration sensor for sensing the swing acceleration of the club head and the swing trajectory of the club head, respectively; A control unit for detecting an expected hitting distance of the golf ball from the detected swing acceleration and detecting a swing trajectory direction according to the detected swing trajectory; And a display unit which displays the detected estimated hit distance and the detected swing trajectory direction, by attaching the golf club correcting apparatus of the present invention to a golf club and attempting a preliminary swing, even if the golf ball is not actually hit. It is possible to correct the distance according to the swing and the posture of the golf swing, and to correct the swing posture that suits you according to the field environment.

Description

Apparatus for revising a swing of a golf club}

The present invention relates to an apparatus for calibrating a golfer's swing using a golf club, and more particularly, to a golf club swing correction apparatus for correcting an estimated hitting distance and swing posture of a golf ball according to a preliminary swing. will be.

The conventional apparatus for measuring the hitting distance of a golf club calculates the hitting distance by calculating an impact amount with a golf ball using a strain gauge or a piezoelectric element. Measuring devices using strain gauges or load cells are attached to the hitting part of the club head to calculate the amount of impact by analyzing the signal generated by the hit strength when hitting the golf ball. These measuring devices are difficult to attach to existing golf clubs, so a club incorporating such a device must be manufactured separately. The piezoelectric element is a method in which a pair of piezoelectric elements are mounted inside a golf club to calculate a shot distance by comparing electrical signals from two piezoelectric elements. This type of piezoelectric element must also incorporate a piezoelectric element. In addition, as a method for measuring the hit distance of a golf club, a method of measuring an impact amount using a signal waveform corresponding to a change in the acceleration of the club head and calculating a hit distance based on the measured impact amount is also introduced. . Magnetic sensors are also used to measure the swing speed of golf clubs.

However, the conventional method for measuring the hitting distance has to hit the golf ball directly to measure the hitting distance, therefore, it is not possible to determine whether the preliminary swing motion of the golf club is correct without hitting the golf ball. In addition, according to the conventional method, it does not have a specific correction function for the hitting direction. In addition, there is a difficulty in manufacturing a device for measuring distance directly to the golf club.

The technical problem to be solved by the present invention is to provide a technique that can use the two-axis or three-axis acceleration sensor to correct the predicted hitting distance and swing attitude of the golf ball according to the preliminary swing.

In order to achieve the above object, the golf club swing correction device according to the present invention includes a two-axis acceleration sensor for sensing the swing acceleration of the club head and the swing trajectory of the club head, respectively; A control unit for detecting an expected hitting distance of the golf ball from the detected swing acceleration and detecting a swing trajectory direction according to the detected swing trajectory; And a display configured to display the detected expected shot distance and the detected swing trajectory direction.

In addition, in order to achieve the above object, the golf club swing correction apparatus according to the present invention is three axes for sensing the swing acceleration of the club head, the swing trajectory of the club head and the height in the vertical direction during the swing of the club head, respectively Acceleration sensor; A controller which detects an estimated hitting distance of a golf ball using the detected swing acceleration and the detected height, and detects a swing trajectory direction according to the detected swing trajectory; And a display configured to display the detected expected shot distance and the detected swing trajectory direction.

According to the present invention, by using the device of the present invention in the existing golf club, it is possible to perform a preliminary swing in advance of the hitting of the golf ball on the field, and accordingly anticipated according to his swing even if not hitting the golf ball There is an effect that can correct the distance and posture of the golf swing.

In addition, according to the present invention, the swing posture can be corrected by correcting an error between the distance according to the actual swing and the distance according to the preliminary swing according to the field environment such as humidity and weather.

Hereinafter, a golf club swing correction apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing an embodiment of a golf club swing correction apparatus according to the present invention, the two-axis acceleration sensor 100, the controller 110, the database 120, the display unit 130, the input unit 140 ), The distance measuring unit 150, and the pointer 160.

The biaxial acceleration sensor 100 detects the swing acceleration of the club head and the swing trajectory of the club head, respectively, and outputs the detected result to the controller 110. The swing trajectory is detected based on the x-axis of the 2-axis acceleration sensor 100 and the swing acceleration of the club head is detected based on the y-axis.

2 is a diagram illustrating the swing trajectory of the club head with respect to the x-axis. FIG. 2A shows a swing trajectory parallel to the x axis, FIG. 2B shows a swing trajectory bowed from the x axis toward the body, and FIG. 2C shows a swing trajectory outward from the x axis. Indicates the trajectory. The two-axis acceleration sensor 100 detects acceleration of the x-axis and y-axis of the sensor, and the detected acceleration component has information of a swing trajectory based on the x-axis. The detection result of the swing trajectory is output to the controller 110.

3 is a diagram illustrating a swing trajectory of the club head with respect to the y axis, and shows a process in which the club head starts at a position corresponding to the highest point and passes through the lowest point to reach the highest point again. The two-axis acceleration sensor 100 measures the accelerations a1, .., a2, ... a3 according to the trajectory of the movement of the club head based on the y-axis in real time and outputs the measured values to the controller 110. Preferably, only the accelerations a1,..., A2 may be output to the controller 110. In general, the speed is the maximum at the lowest point, and hitting the golf ball at this point, the swing speed after this point is not a significant data for measuring the hit distance.

The controller 110 detects an estimated hitting distance of the golf ball from the swing acceleration detected by the biaxial acceleration sensor 100, and outputs a detection result to the display 130. The controller 110 calculates the speed by integrating the swing acceleration detected by the biaxial acceleration sensor 100. The controller 110 extracts information about the estimated batting distance corresponding to the speed obtained from the swing acceleration from the database 120 to obtain the estimated batting distance. To this end, the database 120 previously stores repetitive experimental data on an expected shot distance corresponding to the speed as a table value. The controller 110 detects the distance, from which the velocity obtained from the swing acceleration, has a maximum value, as an expected shot distance.

Meanwhile, the controller 110 detects a swing trajectory direction according to the swing trajectory sensed by the biaxial acceleration sensor 100, and outputs a detection result to the display 130.

4 is a diagram illustrating a swing trajectory direction based on the x-axis. The controller 110 is based on the acceleration detected by the two-axis acceleration sensor 100, as shown in Figure 4, the swing trajectory direction going straight with respect to the x-axis, the swing trajectory direction x1 bent up with respect to the x-axis or The swing track direction x2 is bent downward.

The display 130 displays the estimated shot distance detected by the controller 110 and the detected swing trajectory direction. The display 130 may use a liquid crystal display (LCD) to minimize weight. The display 130 may numerically display the estimated hitting distance detected by the controller 110. The display 130 may display the swing trajectory image. For example, as an image corresponding to the locus of the club head, an image of the swing locus direction shown in FIGS. 2A, 2B, or 2C is displayed on the liquid crystal display screen. Through this, the user can check whether his swing trajectory is appropriate and correct it if the swing trajectory is not correct.

The display unit 130 may be integrated with the biaxial acceleration sensor 100 and the controller 110 or may be separated from the biaxial acceleration sensor 100 and the controller 110. If the display unit 130 is separated from the two-axis acceleration sensor 100 and the control unit 110, the control unit 110 and the display unit 130 exchange data using any one of wired and wireless communication lines. do. When exchanging data using wireless communication, the control unit 110 and the display unit 130 include network components for wireless communication. The display unit 130 separated from the two-axis acceleration sensor 100 and the control unit 110 may be mounted near the golf club handle or may be configured to be attached to the user's body.

The input unit 140 receives an input signal for adjusting the detected estimated batting distance to approximate the actual batting distance. Depending on the field environment, such as humidity, weather, even the swing at the same speed may vary the distance. In this case, a process of correcting an error between the actual batting distance and the expected batting distance according to the environment is required. To this end, the input unit 140 is provided with an operation key for the interface with the user. When a signal is input through such an operation key, the input unit 140 outputs the input signal to the controller 110.

According to an input signal received through the input unit 140, the controller 110 adjusts the estimated batting distance detected from the detected swing acceleration. The estimated batting distance thus added or reduced is applied proportionally to the estimated batting distance of other swing accelerations.

FIG. 5 is a graph illustrating an example for adjusting an estimated hitting distance according to an environment. 5A is a graph of the relationship between the speed in the normal weather and the expected batting distance, b is a graph of the relationship between the speed in the dry weather and the estimated batting distance, and c is the speed and the estimated batting distance in the high humidity weather It is a relation graph with. Referring to FIG. 5, the controller 110 adjusts the estimated batting distance to be longer in a low humidity weather, and adjusts the estimated batting distance to be shorter in a high humidity weather.

The distance measuring unit 150 outputs a laser signal to the pointer 160, receives a signal reflected from the pointer 160, and measures a distance from the pointer 160. To this end, the distance measuring unit 150 has a component capable of outputting a laser.

The pointer 150 reflects the laser signal output from the distance measuring unit 160 and sends it back to the distance measuring unit 150. The pointer 160 is separated from the distance measuring unit 150, and the user throws the pointer by a predetermined distance and uses the distance measuring unit 150 mounted on the club head to check the distance from the club head. .

Golf club swing correction device of the present invention described above is used to attach to the club head. 6 is a view illustrating that the golf club swing correction device 200 is attached to the club head (210). As shown in FIG. 6, in order to allow the golf club swing correction device 200 to be stably attached or detached to the club head 210, the golf club swing correction device 200 uses a light weight material. .

Hereinafter, another embodiment of a golf club swing correction device according to the present invention will be described in detail with reference to the drawings.

7 is a block diagram showing another embodiment of the golf club swing correction apparatus according to the present invention, the three-axis acceleration sensor 300, the control unit 310, the database 320, the display unit 330, the input unit 340, a distance measuring unit 350, and a pointer 360.

The 3-axis acceleration sensor 300 detects the swing acceleration of the club head, the swing trajectory of the club head, and the height in the vertical direction during the swing of the club head, respectively, and outputs the detected result to the controller 310. Detect swing trajectory based on the x-axis of the 3-axis acceleration sensor 300, detect swing acceleration of the club head based on the y-axis, and detect height in the vertical direction according to the swing of the clip head, respectively, based on the z-axis do.

2 is a diagram illustrating a swing trajectory of the club head based on the x axis, and FIG. 3 is a diagram illustrating a swing trajectory of the club head based on the y axis. The 3-axis acceleration sensor 300 detects the swing trajectory and the swing acceleration in the same manner as shown in FIGS. 2 and 3.

Meanwhile, in addition to the swing trajectory and swing acceleration, the 3-axis acceleration sensor 300 measures the heights h1, .., h2, ... h3 in the vertical direction according to the swing of the club head based on the z axis in real time and measured values. Output to the control unit 310.

The controller 310 detects an estimated hitting distance of the golf ball using the swing acceleration and the height detected by the 3-axis acceleration sensor 300, and outputs the detection result to the display unit 330. The controller 310 calculates the speed by integrating the swing acceleration detected by the three-axis acceleration sensor 300. The controller 310 extracts information about the estimated batting distance corresponding to the speed obtained from the swing acceleration from the database 120 to obtain the estimated batting distance. To this end, the database 320 previously stores repetitive experimental data on an estimated shot distance corresponding to the speed as a table value. The controller 310 detects the distance from the swing acceleration having the maximum value as the estimated shot distance. In general, when the speed becomes the maximum, as shown in FIG. 3, when the club head reaches the lowest point, In addition, since the point where the club head hits the golf ball also corresponds to the lowest point, the distance corresponding to the speed at this time is detected as the estimated hit distance based on the height information corresponding to the lowest point.

Meanwhile, the controller 310 detects a swing trajectory direction according to the swing trajectory detected by the 3-axis acceleration sensor 300 and outputs a detection result to the display unit 330.

4 is a diagram illustrating a swing trajectory direction based on the x-axis, and as illustrated in FIG. 4, the controller 310 detects a swing trajectory direction based on the acceleration detected by the 3-axis acceleration sensor 300. do.

The display unit 330 displays the estimated shot distance detected by the controller 310 and the detected swing trajectory direction. The display unit 330 may numerically display the estimated batting distance detected by the controller 310. Meanwhile, the display unit 330 may display a swing trajectory image. The display unit 330 may be integrated with the three-axis acceleration sensor 300 and the control unit 310, or may be separated from the three-axis acceleration sensor 300 and the control unit 310. If the display unit 330 is separated from the three-axis acceleration sensor 300 and the control unit 310, the control unit 310 and the display unit 330 exchange data using any one of wired and wireless communication lines. do. Since the display unit 330 of FIG. 7 has the same components and the same function as the display unit 130 of FIG. 1, detailed description thereof will be omitted.

The input unit 340 receives an input signal for adjusting the detected estimated batting distance to approximate the actual batting distance. To this end, the input unit 340 is provided with an operation key for the interface with the user. When a signal is input through the manipulation key, the input unit 140 outputs the input signal to the controller 310.

According to an input signal received through the input unit 340, the controller 310 adjusts by adding or subtracting an estimated shot distance detected from the detected swing acceleration. The estimated batting distance thus added or reduced is applied proportionally to the estimated batting distance of other swing accelerations.

The distance measuring unit 350 outputs a laser signal to the pointer 360, receives a signal reflected from the pointer 360, and measures a distance from the pointer 360. To this end, the distance measuring unit 350 is provided with a component capable of outputting a laser.

The pointer 360 reflects the laser signal output from the distance measuring unit 350 and sends it back to the distance measuring unit 350. The pointer 360 is separated from the distance measuring unit 350 and used by the user to check the distance from the club head by using the distance measuring unit 350 mounted on the club head by throwing the pointer by a predetermined distance. .

The golf club swing correction apparatus of the present invention has been described with reference to the embodiment shown in the drawings for clarity, but this is merely exemplary, and those skilled in the art have various modifications and other equivalent implementation therefrom. It will be appreciated that examples are possible. Therefore, the true technical protection scope of the present invention will be defined by the appended claims.

1 is a block diagram showing an embodiment of a golf club swing correction apparatus according to the present invention.

2 is a diagram illustrating the swing trajectory of the club head with respect to the x-axis.

3 is a diagram illustrating a swing trajectory of the club head with respect to the y axis.

4 is a diagram illustrating a swing trajectory direction based on the x-axis.

FIG. 5 is a graph illustrating an example for adjusting an estimated hitting distance according to an environment.

6 is a view illustrating that the golf club swing correction device is attached to the club head.

Figure 7 is a block diagram showing another embodiment of a golf club swing correction apparatus according to the present invention.

Claims

A two-axis acceleration sensor for detecting a swing acceleration of the club head and a swing trajectory of the club head, respectively;

A control unit for detecting an expected hitting distance of the golf ball from the detected swing acceleration and detecting a swing trajectory direction according to the detected swing trajectory; And

And a display configured to display the detected estimated shot distance and the detected swing trajectory direction.

The method of claim 1, wherein the control unit

And a distance at which the speed obtained from the swing acceleration has a maximum value as the estimated shot distance.

The method of claim 1, wherein the control unit

Golf club swing correction device, characterized in that for detecting the estimated hit distance using a database for the estimated hit distance corresponding to the speed obtained from the swing acceleration.

The method of claim 1,

And the display unit is integrated with the two-axis acceleration sensor and the control unit.

According to claim 1, wherein the golf club swing correction device

Golf club swing correction device, characterized in that used to attach to the club head.

The method of claim 1,

The display unit is separated from the two-axis acceleration sensor and the control unit, wherein the control unit and the display unit golf club swing correction device, characterized in that for exchanging data using any one or more of wired and wireless communication. .

The method of claim 1, wherein the display unit

Golf club swing correction device, characterized in that for displaying the image image of the swing trajectory direction.

According to claim 1, wherein the golf club swing correction device

And an input unit configured to receive an input signal for adjusting the detected predicted hitting distance to approximate an actual hitting distance.

The golf club swing correction device, characterized in that for adjusting the distance detected from the detected swing acceleration in accordance with the input signal received through the input unit.

According to claim 1, wherein the golf club swing correction device

A pointer reflecting a laser signal for distance measurement; And

And a distance measuring unit for outputting the laser signal and receiving a signal reflected from the pointer to measure a distance from the pointer.

A three-axis acceleration sensor for detecting a swing acceleration of a club head, a swing trajectory of the club head, and a height in a vertical direction when the club head swings;

A controller which detects an estimated hitting distance of a golf ball using the detected swing acceleration and the detected height, and detects a swing trajectory direction according to the detected swing trajectory; And

The method of claim 10, wherein the control unit

Golf club swing correction device characterized in that for detecting the estimated hit distance using the swing acceleration when the height in the vertical direction at the time of swinging the club head corresponds to the lowest point.

The method of claim 10, wherein the control unit

The method of claim 10,

And the display unit is integrated with the three-axis acceleration sensor and the control unit.

The golf club swing correction device of claim 10, wherein

The method of claim 10,

The display unit is separated from the three-axis acceleration sensor and the control unit, the golf club swing correction device, characterized in that the control unit and the display unit exchanges data using any one or more of wired or wireless communication. .

The method of claim 10, wherein the display unit

The golf club swing correction device of claim 10, wherein

A pointer reflecting a laser signal for distance measurement; And