Measuring device for detecting a hitting movement of a hitting implement, training device, and method for training a hitting movement

Abstract

The invention relates to a measuring device for detecting a hitting movement of a hitting implement. The measuring device comprises at least one two-dimensional acceleration sensor for detecting a two-dimensional acceleration vector ( xy ). The measuring device comprises at least one one-dimensional acceleration sensor for detecting a one-dimensional acceleration vector ( z ). In addition, the measuring device comprises a first rotation angle sensor for detecting a first rotation angle of the two-dimensional acceleration vector ( xy ) about a z-axis.

1 - 32 . (canceled) 
     
     
         33 . Measuring device for detecting a hitting movement of a hitting implement, comprising:
 at least one two-dimensional acceleration sensor for detecting a two-dimensional acceleration vector (   xy ),   at least one one-dimensional acceleration sensor for detecting a one-dimensional acceleration vector (   z ), wherein the at least one one-dimensional acceleration sensor is arranged with respect to the at least one two-dimensional acceleration sensor in such a way that the detected one-dimensional acceleration vector (   z ) runs substantially orthogonally with respect to the two-dimensional acceleration vector (   xy ) detected by the at least one two-dimensional acceleration sensor,   a first rotation angle sensor for detecting a first rotation angle (θ) of the two-dimensional acceleration vector (   xy ) about a z-axis, wherein the first rotation angle sensor is arranged with respect to the at least one two-dimensional acceleration sensor in such a way that the z-axis extends substantially orthogonally with respect to the two-dimensional acceleration vector (   xy ), wherein:
 a second rotation angle sensor for detecting a second rotation angle (φ) of the one-dimensional acceleration vector (   z ) about a y-axis, wherein the second rotation angle sensor is arranged with respect to the at least one one-dimensional acceleration sensor in such a way that the y-axis extends substantially perpendicularly to the one-dimensional acceleration vector (   z ). 
   
     
     
         34 . Measuring device according to  claim 33 , wherein the first rotation angle sensor and the second rotation angle sensor are means for detecting the angular velocity. 
     
     
         35 . Measuring device according to  claim 33 , wherein the first rotation angle sensor and the second rotation angle sensor are gyroscope sensors. 
     
     
         36 . Measuring device according to  claim 33 , wherein the first rotation angle sensor and the second rotation angle sensor are structurally identical and are arranged substantially orthogonally with respect to one another. 
     
     
         37 . Measuring device according to  claim 35 , wherein the gyroscope sensors are sensitive in a measurement range of 50 to 2000°/s. 
     
     
         38 . Measuring device according to  claim 33 , wherein the measuring device comprises two two-dimensional acceleration sensors, which are sensitive for different measuring ranges in each case. 
     
     
         39 . Measuring device according to  claim 38 , wherein one two-dimensional acceleration sensor is sensitive in a measurement range of 0 to 10 g. 
     
     
         40 . Measuring device according to  claim 38 , wherein the other two-dimensional acceleration sensor is sensitive in a measurement range of 15 to 100 g. 
     
     
         41 . Measuring device according to  claim 38 , wherein the measuring device comprises two one-dimensional acceleration sensors, wherein one one-dimensional acceleration sensors is structurally identical to said one two-dimensional acceleration sensor and the other one-dimensional acceleration sensors is structurally identical to the other two-dimensional acceleration sensor. 
     
     
         42 . Measuring device according to  claim 33 , wherein the measuring device has a means for time measurement, which measures the time during the hitting movement. 
     
     
         43 . Measuring device according to  claim 33 , wherein the measuring device has computing means provided for converting the raw data determined by the acceleration sensors and rotation angle sensors into conditioned data comprising orientation, maximum acceleration, duration of individual phases of the hitting movement, force distributions and accelerations during the individual phases and swing path. 
     
     
         44 . Measuring device according to  claim 43 , wherein the measuring device comprises an operating element, with which a user can select which conditioned data are generated by the computing means. 
     
     
         45 . Measuring device according to  claim 42 , wherein the measuring device comprises a housing, which encloses all the sensors, the means for time measurement and the computing means. 
     
     
         46 . Measuring device according to  claim 33 , wherein the measuring device comprises a securing means provided for securing the measuring device releasably or non-releasably on a hitting implement. 
     
     
         47 . Measuring device according to  claim 33 , wherein the measuring device comprises a securing means provided for securing the measuring device indirectly or directly on a body of a user including on a hand or in the vicinity of a wrist. 
     
     
         48 . Measuring device according to  claim 43 , wherein the computing means are provided for comparing the raw data and/or the conditioned data with reference data. 
     
     
         49 . Measuring device according to  claim 48 , wherein a signal generator is provided, which generates a signal if the difference between the conditioned data and the reference data exceeds a defined limit value. 
     
     
         50 . Training device for training a hitting movement of a hitting implement, comprising:
 a hitting implement, with which a user trains the hitting movement, and   at least one measuring device for detecting the hitting movement of the hitting implement, said at least one measuring device being secured on the hitting implement and comprising:
 at least one two-dimensional acceleration sensor for detecting a two-dimensional acceleration vector (   xy ), 
 at least one one-dimensional acceleration sensor for detecting a one-dimensional acceleration vector (   z ), wherein the at least one one-dimensional acceleration sensor is arranged with respect to the at least one two-dimensional acceleration sensor in such a way that the detected one-dimensional acceleration vector (   z ) runs substantially orthogonally with respect to the two-dimensional acceleration vector (   xy ) detected by the at least one two-dimensional acceleration sensor, and 
 a first rotation angle sensor for detecting a first rotation angle (θ) of the two-dimensional acceleration vector (   xy ) about a z-axis, wherein the first rotation angle sensor is arranged with respect to the at least one two-dimensional acceleration sensor in such a way that the z-axis extends substantially orthogonally with respect to the two-dimensional acceleration vector (   xy ), wherein:
 the measuring device comprises comprises a second rotation angle sensor for detecting a second rotation angle (φ) of the one-dimensional acceleration vector (   z ) about a y-axis, wherein the second rotation angle sensor is arranged with respect to the at least one one-dimensional acceleration sensor in such a way that the y-axis extends substantially orthogonally with respect to the one-dimensional acceleration vector (   z ). 
 
   
     
     
         51 . Training device according to  claim 50 , wherein the hitting implement extends along a hitting implement axis (A), and in that the measuring device is oriented in relation to the hitting implement axis (A) in such a way that:
 the two-dimensional acceleration sensor detects a two-dimensional acceleration vector (   xy ) of the hitting implement which runs orthogonally with respect to the hitting implement axis (A),   the one-dimensional acceleration sensor detects a one-dimensional acceleration vector (   z ) of the hitting implement which runs parallel to the hitting implement axis (A),   the first rotation angle sensor detects a first rotation angle (θ) of the hitting implement about the hitting implement axis (A), and   the second rotation angle sensor detects a second rotation angle (φ) of the hitting implement about the y-axis, which extends substantially perpendicularly to the hitting implement axis (A).   
     
     
         52 . Training device according to  claim 50 , wherein the training device comprises at least one body sensor which is designed for indirect or direct securing on a body of a user and is provided for detecting a movement of the body, wherein the at least one body sensor measures simultaneously relative to the measuring device. 
     
     
         53 . Training device according to  claim 52 , wherein computing means are provided, which are suitable for comparing a measurement signal of the at least one body sensor with a reference signal. 
     
     
         54 . Training device according to  claim 53 , wherein the computing means are provided for assigning a deviation of a measurement signal of the measuring device from a corresponding reference signal to the simultaneously measured measurement signal of the at least one body sensor and, if appropriate, a deviation of the measurement signal of the at least one body sensor from the reference signal. 
     
     
         55 . Training device according to  claim 54 , wherein a signal generator is provided, which is suitable for indicating to a user the assignment of the deviation of the measurement signal of the measuring device from the corresponding reference signal to the simultaneously measured measurement signal of the at least one body sensor and, if appropriate, to the deviation of the measurement signal of the at least one body sensor from the corresponding reference signal. 
     
     
         56 . Method for training a hitting movement of a hitting implement on a distinguished swing path by means of a training device, wherein the training device comprises a hitting implement and at least one measuring device for detecting the hitting movement of the hitting implement, said at least one measuring device being secured on the hitting implement, wherein:
 the training device is a training device according to  claim 50 .