JP6941760B2 - Speed measuring device and program - Google Patents

Description

The present invention relates to a speed measuring device and a program for measuring speed related to sports.

As a speed measuring device for measuring the speed of a moving measurement object, a device using a Doppler sensor is known. This irradiates a microwave toward an object to be measured and measures the reflected wave by the object. When an object is moving in the direction of microwave travel, the frequency of the reflected wave changes due to the Doppler effect, so the speed of the object can be calculated by comparing this with the frequency of the emitted wave. can.

As a conventional speed measuring device for sports using a Doppler sensor or the like, a speed measuring device for baseball (called a speed gun) used to measure the speed (ball speed) of a ball thrown by a pitcher in sports such as baseball. Is known. In a speed measuring device for baseball, for example, when a user pulls a trigger (presses a switch), speed measurement is started, and the first measured (detected) speed is determined and displayed as the ball speed. Since the thrown ball decelerates, the speed measured first after the measurement is started is displayed as the speed of the ball.

Further, as a conventional speed measuring device for sports, as shown in Patent Documents 1 and 2, a speed measuring device for golf is known. In the speed measuring device for golf, for example, the speed measurement is started, and the maximum value of the measured speed is determined and displayed as the swing speed of the golf club. When the object to be measured accelerates from a speed of 0 and reaches the maximum speed at the point where the ball is hit, such as a swing motion of a golf club, the object to be measured is within the detection range of the Doppler sensor. This is because the moment when the ball enters is not always the maximum speed of the swing, and the method of displaying the first measured speed after the start of measurement cannot capture the maximum speed of the swing.

As described above, the conventional speed measuring device realizes a speed measuring device suitable for the sport to be measured by adopting a measuring method optimized for each sport to be measured.

Further, for example, a speed measuring device for baseball measures and displays the initial speed and the final speed of a ball, whereas a speed measuring device for golf measures and displays the swing speed of a golf club as shown in Patent Document 2. , The speed of the ball, the estimated flight distance, etc. are displayed, and the display contents to be displayed based on the speed of the measurement target and the measured speed are also optimized for each sport to be measured.

Further, as shown in Patent Document 2, the installation method has a structure suitable for being placed on the ground if it is a speed measuring device for golf, while it is fixed to a tripod in a speed measuring device for baseball. The structure is also different, such as a configuration suitable for use.

Japanese Unexamined Patent Publication No. 2008-246139 JP-A-2010-005289

In this way, the measurement method, display content, structure, etc. are different for each sport to be measured. Therefore, when it is desired to measure the speed of a plurality of sports, for example, in a school or a sports club, it is necessary to measure the speed of each sport. I had to buy a speed measuring device.

It is an object of the present invention to provide a speed measuring device suitable for measuring speed for a plurality of different sports.

In order to solve the above problems, the present invention (1) detects a speed based on a microwave Doppler sensor and a Doppler signal output from the microwave Doppler sensor, and displays information for display based on the speed. A speed measuring device for sports including a control means for generating and displaying the display on the display means, wherein the control means is a dedicated means for generating the display information in a predetermined operation unit in the sport to be measured. The processing means, the general-purpose processing means which is a means for generating the instantaneous speed repeatedly obtained at a predetermined time interval as the display information, and the dedicated processing means and the general-purpose processing means are switched based on a switching instruction from the user. It is provided with a switching means.

In this way, the user can display the dedicated mode in which the display information in a predetermined movement unit in the sport to be measured is displayed and the instantaneous speed repeatedly obtained at a predetermined time interval, if necessary. It can be used by switching between the general-purpose mode and the general-purpose mode. Therefore, it is possible to provide a speed measuring device suitable for measuring the speed for a plurality of different sports.

The display information may be speed information. The display information may be information on the speed itself or information obtained from the speed (for example, moving distance, flying distance, etc.). The display information may be numerical information or information of various modes such as a graph.

The switching means may switch between the dedicated processing means and the general-purpose processing means, and the switching instruction from the user may be input from the input means.

The dedicated processing means is a means for generating the display information in a predetermined movement unit in the sport to be measured, and it is preferable to generate the display information by a process specialized for the specific sport to be measured. The display information to be generated should also be information specific to the sport to be measured.

As a process in which the dedicated processing means generates display information based on the Doppler signal output from the microwave Doppler sensor, for example, the Doppler signal output from the microwave Doppler sensor is frequency-analyzed during the one operation unit. The repetitive speed may be calculated, the repetitively calculated speed may be recorded, and display information to be displayed in the one operation unit may be generated based on the history of the recorded speed. As display information, for example, the value at the time when the speed within the speed range of the measurement target first appears in the speed history of the one operation unit can be generated as the initial speed information, or the speed history of the one operation unit. Various modes can be taken, such as generating the value when the speed within the speed range of the measurement target finally appears as the final speed information. For example, if a graph in which the speed history in one operation unit is arranged in chronological order is generated as display information, the graph in the one operation unit will be displayed.

On the other hand, the general-purpose processing means is a means for generating the instantaneous speed repeatedly obtained at a predetermined time interval as the display information, and unlike the dedicated processing means, it is not limited to a predetermined unit of motion in the sport to be measured. , The instantaneous speed is continuously displayed as the display information. The general-purpose processing means may generate display information by processing that is not specific to a specific sport, and the generated display information may also be information that is not specific to a specific sport. The predetermined time interval may be a time interval suitable for measurement common to various sports. This predetermined time interval may be at least 1 second or less, preferably 100 milliseconds or less. As display information, for example, a history of instantaneous speeds repeatedly obtained at predetermined time intervals may be stored and displayed. For example, when generating a graph in which the history of instantaneous velocities is arranged in chronological order as display information, it is preferable to display the latest graph of the history of instantaneous velocities in a predetermined number of cases.

(2) The dedicated processing means may specify the start and end of a predetermined operation unit in the sport to be measured based on the Doppler signal output from the microwave Doppler sensor.

The dedicated processing means may specify the start and end of a predetermined motion unit in the sport to be measured based on the information obtained from various sensors and the like. However, it is particularly good to specify based on the Doppler signal. In this way, it is possible to provide a speed measuring device suitable for measuring speeds related to a plurality of different sports at no cost without providing a separate sensor.

(3) The general-purpose processing means includes an instruction input means for inputting a start instruction and an end instruction from the user, and the general-purpose processing means is used by the user by the instruction input means after the start instruction from the user is input by the instruction input means. It is preferable to generate the instantaneous speed repeatedly obtained at the predetermined time interval as the display information and display it on the display means until the end instruction is input.

The general-purpose processing means generates the instantaneous speed as the display information and displays it on the display means from turning on the power or switching to the general-purpose processing means by the switching means to turning off the power or switching to the dedicated processing means. It may be, but it is particularly good to do this. By doing so, it is possible to measure the speed in a range according to the user's intention according to various sports in a general-purpose manner.

(4) The control means may perform a process of displaying information indicating whether the processing is being performed by the dedicated processing means or the general-purpose processing means on the display means.

In this way, it is possible to easily confirm whether the speed is being measured by the dedicated processing means or the speed is being measured by the general-purpose processing means. Therefore, it is suitable for measuring speeds for a plurality of different sports.

(5) A plurality of the dedicated processing means are provided, and each dedicated processing means is the display information specialized for at least one of pitching, batting, golf, and sprinting as the sport to be measured. The control means switches between the means for switching which processing means of each of the dedicated processing means is to perform the processing, and which sport is the sport to be measured that is currently being processed. It is preferable to provide a means for displaying the indicated information on the display means.
In this way, it is possible to switch to a process close to the sport to be measured for measurement, and it is possible to easily grasp which sport the speed is being measured.

(6) The general-purpose processing means may perform a process of storing and displaying the highest instantaneous speed measured from the start of measurement to the present as the display information.

(7) The general-purpose processing means may perform a process of displaying a graph showing a time-series change of the instantaneous speed on the display means as the display information.

(8) A plurality of the dedicated processing means may be provided, and the display direction of the display information to the display means may be different between the dedicated processing means.

Since the dedicated processing means generates the display information in a predetermined one motion unit in the sport to be measured and displays it on the display means, the one motion unit and the display means may be related to the user's viewing direction. be. It is particularly effective when the positional relationship between the microwave Doppler sensor and the display means is fixed.

Further, for example, since the microwave Doppler sensor is usually measured toward the measurement target, the person who sees the display information often sees the display information from a direction other than the emission direction of the microwave. However, when the measurer himself becomes the person to be measured or the person who moves the object to be measured and also the person who sees the information for display, for example, when measuring the swing of a golf club, the direction in which the microwave is emitted is used. You will see the information for display. Therefore, the display of the display information can be easily seen by setting the display direction of the display information to the display means to be different between the dedicated processing means according to the characteristics of the sport to be measured. It is possible to realize a speed measuring device that is easy to use when measuring speeds related to a plurality of different sports.

(9) A plurality of the dedicated processing means are provided, the dedicated processing means generates a plurality of types of information as the display information, and the generated plurality of types of information are simultaneously displayed on the display means. A plurality of types of information can be generated as the display information, and only one of the generated plurality of types of information can be displayed on the display means, and only one of the generated information can be displayed. When displaying the information, it is preferable to display the one display information larger than the case where the plurality of types of information are displayed at the same time.

By doing so, for example, in a sport to be measured in which the distance between the person who sees the display information and the display means is long, the one display information is displayed widely and is easy to see, and the person who sees the display information In sports to be measured, which are close to the display means, it is possible to grasp a plurality of pieces of information at the same time.

(10) The dedicated processing means has a processing mode in which the display information in the one operation unit is generated and terminated, and once the generation of the display information in the one operation unit is completed, the next operation unit is used again. It is preferable to provide a processing mode for generating the display information.

(11) A plurality of the dedicated processing means are provided, and the dedicated processing means writes the display information in the one operation unit to the external memory for each operation unit, and does not write the display information in each operation unit to the external memory. , It is preferable to store the measurement result in the internal memory and write the measurement result of the internal memory to the external memory based on the instruction from the user.

(12) The speed measuring device includes a main body and a slave unit that receives and displays the display information wirelessly transmitted from the main body, and the slave unit wirelessly transmits the display information from the main body. Of these, only those that match the preset main body identification information may be displayed.

(13) The program of the present invention may be realized as a program for realizing the function as a control means in the speed measuring device according to (1) to (12) in a computer.

According to the present invention, it is possible to provide a speed measuring device suitable for measuring speed for a plurality of different sports.

It is a figure which shows the functional block of the speed measuring apparatus which concerns on this invention. It is a figure which shows the appearance structure of the main body of a speed measuring apparatus. It is a figure which shows the appearance structure of the slave unit of a speed measuring device. It is a figure which shows the content of the detection mode. It is a figure which shows the main menu screen and its operation and processing. It is a figure which shows the icon display part of the main body. It is a figure which shows the icon display part of a slave unit. It is a figure which shows the installation method of the main body in a pitching mode. It is a figure which shows the screen of a pitching mode and its operation and processing. It is a figure which shows the installation method in a batting mode and its screen, operation and process. It is a figure which shows the installation method in a golf mode and its screen, operation and process. It is a continuation of FIG. It is a figure which shows the example of the loft angle of a club type for calculating the estimated flight distance. It is a figure which shows the installation method in a sprint mode and its screen, operation and processing. It is a figure which shows the screen of a general-purpose mode and its operation and processing. It is a figure which shows the example in which an angle error occurs. It is a figure which shows the screen of a setting menu and its operation and processing.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. The speed measuring device of the present embodiment uses a microwave Doppler sensor, and based on the Doppler signal output from the microwave Doppler sensor, the control unit performs arithmetic processing to obtain the speed, and the obtained result is displayed on the display unit. It is the one to output. FIG. 1 is a diagram showing a functional configuration of the speed measuring device, and FIGS. 2 and 3 are diagrams showing an external configuration of the speed measuring device. This speed measuring device includes a main body 10 (FIG. 2) and a slave unit 30 (FIG. 3).

The main body 10 includes a microwave Doppler sensor 11, an amplifier 12 that amplifies the Doppler signal output from the microwave Doppler sensor 11, a control unit 13, a display unit 14, a storage unit 15, and a communication unit 16. It includes an operation unit 17. The control unit 13 is a microcomputer including a CPU, ROM, RAM, I / O, etc., and is connected to the amplifier 12, the display unit 14, the storage unit 15, the communication unit 16, and the operation unit 17, and outputs the amplifier 12. Speed calculation processing that calculates the speed based on, speed display processing that displays the speed calculated by the speed calculation processing on the display unit 14, storage processing that stores the speed calculated by the speed calculation processing in the storage unit 15, information from the communication unit 16. Performs various processes such as communication process for communicating with the user and user interface process for performing the process according to the operation of the operation unit 17. The microcomputer of the control unit 13 performs various processes and realizes various functions by executing the program stored in the ROM.

FIG. 2A is a diagram showing the configuration of the top surface of the main body 10, FIG. 2B is a diagram showing the configuration of the bottom surface of the main body 10, and FIG. 2C is a diagram showing the configuration of the left side surface of the main body 10. The top surface of the main body 10 includes a wireless communication unit 16a constituting the communication unit 16, a power button 17a constituting the display unit 14 and the operation unit 17, a start / stop button 17b, and an operation button 17c. The display unit 14 is arranged in the center of the top surface, the wireless communication unit 16a is arranged on the upper side of the display unit 14 (Doppler sensor 11 arrangement side), and the lower side of the display unit 14 (opposite to the Doppler sensor 11 arrangement side). The operation unit 17 is arranged on the side). The operation button unit 17c has a set button in the center, an upper button on the upper side of the set button, a lower button on the lower side, a right button on the right side, and a left button on the left side. The bottom surface of the main body 10 has a battery storage portion 21 and a tripod mounting portion 22 for mounting a commercially available camera tripod. The microwave Doppler sensor 11, the amplifier 12, the control unit 13, the display unit 14, the storage unit 15, the communication unit 16, and the operation unit 17 operate by receiving power from the battery stored in the battery storage unit 21. On the left side surface of the main body 10, a memory card reader 15a constituting the storage unit 15 and a USB terminal 16b forming the communication unit 16 are provided.

The speed is measured with the Doppler sensor 11 arrangement side directed toward the moving object of the measurement target 1. The wireless communication unit 16a is provided with a transmission antenna, and the control unit 13 has a function of controlling the wireless communication unit 16a and transmitting various information such as the calculated speed to the slave unit. The display unit 14 is a dot-matrix liquid crystal display panel, and under the control of the control unit 13, the speed detection result (measurement result), the remaining battery level, and the like are displayed. The power button 17a is a button for turning the power on / off. The set button is a button used to determine various settings, and the upper button is a button used to select (move up) various setting items. The lower button is a button used to select (move down) various setting items. The left button is a button used to display the main menu. The right button is a button used when displaying the setting menu or moving to various setting items. The memory card reader 15a has a microSD card slot, and the control unit 13 controls the memory card reader 15a and records the measurement results recorded in the memory provided in the control unit 13 on the microSD card inserted in the memory card reader 15a. It has a function to save to. The saved result can be read by the control unit 13 and displayed on the display unit 14, or the microSD card can be read by a personal computer and displayed. The USB terminal 16b is a miniUSB terminal, and in addition to supplying power from a commercially available AC adapter that supplies power to the miniUSB terminal or a personal computer equipped with a USB terminal, the control unit 13 can be connected to the personal computer with a USB cable. By control, it has a function of transferring the data in the memory of the control unit 13 and the data saved in the microSD card inserted in the microSD card slot to the personal computer. Further, the function of executing the same operation as the operation from the operation unit 17 based on the control instruction from the personal computer connected to the USB terminal 16b and the information to be displayed on the display unit 14 are transmitted to the personal computer connected to the USB terminal 16b. It has a function to send to.

The slave unit 30 includes a control unit 33, a display unit 34, a communication unit 36, and an operation unit 37. The control unit 33 is a microcomputer including a CPU, ROM, RAM, non-volatile memory, I / O, etc., and is connected to the display unit 34, the communication unit 36, and the operation unit 37, and is connected to the communication unit 16 of the main body 10. Corresponding to the communication process of receiving the transmitted information in the communication unit 36 and receiving the received information from the communication unit 36, the display process of displaying the information received from the communication unit 16 on the display unit 34, and the operation of the operation unit 37. Perform user interface processing and the like. The microcomputer of the control unit 33 performs various processes and realizes various functions by executing the program stored in the ROM.

FIG. 3 is a diagram showing a configuration seen from the operation surface of the slave unit 30. The slave unit 30 is a portable remote controller, and includes a display unit 34, an antenna 36a constituting a communication unit 36, a power button 37a constituting an operation unit 37, an ID registration button 37b, and a history button 37c.

The power button 37a is a button used when turning on / off the power, the ID registration button 37b is a button used when registering the ID of the slave unit 30 in the main body 10, and the history button 37c is a record. This button is used to check the result. The display unit 34 is a dot-matrix liquid crystal display panel, and displays the speed measured by the main body 10 or the like under the control of the control unit 33. A button battery storage unit is provided on the back surface of the slave unit 30, and the control unit 33, the display unit 34, the communication unit 36, and the operation unit 37 operate by receiving power from the button battery stored in the button battery storage unit.

The slave unit 30 receives and displays the display information wirelessly transmitted from the main body 10. The slave unit 30 performs a process of displaying only the display information wirelessly transmitted from the main body 10 received by the communication unit 36 that matches the preset main body identification information. Therefore, any number of slave units 30 can be added, and even when a plurality of main units 10 exist in the stadium, only the measurement result (display information) of the specific main unit 10 can be displayed. ..

Then, as shown in FIG. 4A, the speed measuring device of the present embodiment has a dedicated mode of pitching, batting, golf, and sprinting as a predetermined sport (detection mode), and these predetermined sports. Is provided with a general-purpose mode in which the repetition speed is calculated at predetermined time intervals and the calculated speed is displayed without specialization.

The pitching mode is a mode specialized for measuring the ball speed of baseball, soft ball, soccer, tennis, volleyball, hand ball, etc., and the control unit 13 controls the initial speed of the ball, the final speed of the ball, the initial speed and the final speed. The initial velocity final velocity distance, which is the distance between the measured points with the velocity, is obtained, and these are displayed on the display unit 14, and the initial velocity of this ball is transmitted to the slave unit 30 by controlling the wireless communication unit 16a. do. In the slave unit 30, as shown in FIG. 4B, the communication unit 36 receives the initial velocity of the ball transmitted from the main body 10, and the control unit 33 acquires the initial velocity of the ball from the communication unit 36. The display unit 34 displays the initial velocity of this ball.

The batting mode is a mode specialized for measuring the batting speed of baseball or softball, and the control unit 13 obtains the bat swing speed, the initial speed of the hit ball, and the estimated flight distance of the hit ball, and displays these. 14 is displayed, and the wireless communication unit 16a is controlled to transmit this butt swing speed to the slave unit 30. In the slave unit 30, the communication unit 36 receives the bat swing speed transmitted from the main body 10, the control unit 33 acquires the bat swing speed from the communication unit 36, and the display unit 34 displays the bat swing speed.

The golf mode is a mode specialized for measuring the speed related to the golf club swing, and the control unit 13 determines the head speed of the golf club, the ball speed launched by the hit of the head, the estimated flight distance of the ball, and the meet rate. Is obtained and displayed on the display unit 14. In the golf mode, the calculation result is not transmitted to the slave unit.

The sprint mode is a mode specialized for measuring the speed of 100 m running in athletics or the run-up of a long jump, and the control unit 13 has an instantaneous speed, a maximum speed, a maximum speed reach, and a maximum speed holding distance. Is obtained, the change in the instantaneous speed in time series is displayed as a graph, and the maximum speed, the maximum speed reach distance, and the maximum speed holding distance are displayed as numerical data on the display unit 14, and the wireless communication unit 16a is controlled to display the maximum speed. The speed is transmitted to the slave unit 30. The slave unit 30 has a function of receiving the maximum speed transmitted from the main body 10 by the communication unit 36, the control unit 33 acquiring the maximum speed from the communication unit 36, and displaying the maximum speed on the display unit 34.

The general-purpose mode is a general-purpose mode in which the speed of various sports including running of automobiles and two-wheeled vehicles, skiing / snowboarding, etc. can be measured and is not specialized for a specific target. The instantaneous speed is displayed on the display unit 14 as a graph of changes in time series, and the instantaneous speed and the maximum speed are displayed as numerical data, and the wireless communication unit 16a is controlled to transfer the maximum speed to the slave unit 30. Send. In the slave unit 30, the communication unit 36 receives the maximum speed transmitted from the main body 10, the control unit 33 acquires the maximum speed from the communication unit 36, and the RAM of the control unit 33 has the maximum speed for the last 5 times. It has a function of holding it on top and causing the display unit 34 to display this maximum speed.

When the power button 17a of the main body 10 is pressed continuously for 2 seconds, power is supplied from the battery to the control unit 13 and other parts, and similarly, when the power button 37c of the slave unit 30 is pressed continuously for 2 seconds, the battery sends power. Power is supplied to the control unit 13 and other units.
Hereinafter, the processing of the control unit 13 will be mainly described. The part where the subject of the process is not specified is the process of the control unit 13.

When the power is supplied, the control unit 13 displays the "main menu screen" when the power is turned on for the first time, as shown in FIG. On the other hand, when the screens such as each measurement mode were displayed at the end of the previous time, the information on which screen was displayed when the power was turned off is stored, and the previous time is based on this stored information. The screen when the power is turned off is displayed, and the process corresponding to the screen is executed.

The main menu consists of items such as "pitching", "batting", "golf", "sprinting", "general purpose", and "system settings", and the currently selected items are highlighted (white characters on a black background). )do.

When the pressing of the lower button is detected, the selected item is moved to the lower item, and when the pressing of the upper button is detected, the selected item is moved to the upper item, and the display unit 5 displays the selected item. When the press of the set button is detected, the process shifts to the mode processing of the selected item.

For example, as shown in FIG. 5, when the pressing of the lower button is detected, the selection item is moved from "pitching" to "batting", and when the pressing of the set button is detected in this state, the processing of the batting mode is started. After the transition, the process of drawing the screen of the batting mode is performed, and the screen of the batting mode is displayed on the display unit 5.
As shown in FIG. 6, an icon display unit is provided on the upper part of the display unit 5, and the icon display unit is a display unit commonly provided on all screens.

As shown in FIG. 6, the icon display units are, in order from left to right, (1) battery level display unit, (2) mode display unit, (3) recording status display unit inside the main unit, and (4) SD. It has a card display unit. (1) When the main body 10 is used with a battery, the remaining battery level is displayed as an icon on the battery level display unit in two stages. (2) On the mode display unit, icons indicating the current mode such as pitching mode, batting mode, golf mode, sprint mode, general-purpose mode, speed detection, system setting mode, etc. are displayed. (3) When the recording capacity of the measurement data storage area of the RAM of the control unit 13 inside the main body is full, the recording status display unit inside the main body displays an icon indicating that fact. (4) The SD card display does not display when the microSD card is not installed, and the "SD" icon is displayed when the microSD card is installed. When the storage capacity of the microSD card is full. Display the "FULL" icon.

Next, the icon display of the slave unit 30 will be described. Similarly, as shown in FIG. 7, the slave unit 30 is also provided with an icon display unit at the upper part of the display unit 5, and the control unit 33 of the slave unit 30 performs drawing processing of the icon display unit to perform the drawing process of the slave unit 30. The icon display unit is displayed on the display unit 34 of. As shown in FIG. 7, the icon display unit of the slave unit 30 is, in order from left to right, (1) low battery display (slave unit) unit, (2) history display unit, and (3) low battery display (main unit). Has a part. The low battery display (slave unit) unit displays an icon indicating that the remaining battery level of the slave unit 30 is low. The history display unit displays "history 1" to "history 9" when confirming the speed recording result received by the slave unit 30. The low battery display (main unit) displays an icon indicating when the battery level of the main unit is low.

Next, the processing and the like in each mode will be described. First, the pitching mode will be described. In pitching mode, the initial speed (initial speed) of the ball, the final speed (final speed) of the ball, the distance between the initial speeds (section) of baseball, softball, soccer, tennis, volleyball, handball, etc. are displayed on the main unit, and the child It is transmitted to the machine 30. As described above, the slave unit 30 displays only the initial speed. The display of the section is the distance between the points where the initial speed and the final speed are detected. In the case of baseball or softball pitching, as shown in FIG. 8, the main body 10 is installed diagonally behind the catcher or diagonally behind the pitcher. For stable detection, it is advisable to install using a table such as a desk or a tripod for a camera. The distance of the main body 10 from the pitcher or the catcher should be within about 30 m, and if you want to detect the final speed more accurately when installing in a place that is not behind the pitcher or the pitcher, install it diagonally behind the pitcher and the catcher ( It is good because you can see the final point of the ball).

As a specific process, as shown in FIG. 9, when the control unit 13 detects that the start / stop button 17b is pressed after the pitching mode is selected, the control unit 13 starts the measurement process of the pitching mode. In the measurement process of the pitching mode, the measurement is performed with the time within the speed range of the ball as one unit, and the measurement result obtained within the period of one unit is displayed. For example, the Doppler signal output from the amplifier 12 is frequency-analyzed to calculate the repetition speed, the repeatedly calculated speed is recorded in the RAM, and the display to be displayed in the unit is based on the history of the recorded speed. Use information (measurement results) to be generated. As shown in FIG. 9, the measurement results are the initial velocity (initial velocity) of the ball, the final velocity (final velocity) of the ball, and the distance (section) between the initial velocity and the final velocity. The initial velocity displays the ball velocity first detected as a moving object. The final speed displays the ball speed immediately before it can no longer be detected as a moving object. The section displays the distance between the detected initial speed and the final speed. When only the instantaneous speed can be detected, such as when the speed detection section is short, the section is displayed with "0" or "---". Each time one unit of measurement is performed, these calculated values are displayed blinking for the time set in the system settings (initial value is 3 seconds), and after a certain period of time, the calculated values are displayed from blinking. Turns on to notify that the detection result has been updated. The blinking time of the speed display (initial value: 3 seconds) can be changed in the system settings. Up to 200 detection results are recorded in the non-volatile memory of the control unit 13 of the main body 10 together with the recording number. Therefore, even if the battery is removed or the battery is exhausted, the record of the detection result is not deleted. The detection result recorded on the main unit can be saved in the microSD card in the system settings. After that, it is determined whether the detection method set / stored in the control unit 13 is "once" or "continuous", and if it is "once", the measurement process is terminated and the display is currently being displayed. On the other hand, if it is continuous, the pitching mode measurement process is performed again (that is, the measurement of the next unit is started). During these processes, it is detected whether the press of the start / stop button 17b is detected, and if the press of the start / stop button 17b is detected, the measurement process is terminated and the currently displayed screen is displayed. It is in the state of being.

Next, the batting mode will be described. In the batting mode, in the batting mode, the bat swing speed in baseball or softball, the initial speed of the hit ball, and the estimated flight distance of the hit ball are displayed on the display unit 14 of the main body 10 and transmitted to the slave unit 30, and the slave unit 30 , Display the bat swing speed. As shown in FIG. 10A, a table such as a desk or a camera tripod is used to perform stable detection in which the main body 10 is installed from diagonally behind the catcher (opposite the batter) toward the bat swing position. It is desirable to install it. The distance of the main body 10 from the batter should be within about 5 m, and the main body 10 should be installed in a place not behind the catcher.

As a specific process, as shown in FIG. 10B, when the control unit 13 detects that the start / stop button 17b is pressed after the batting mode is selected, the control unit 13 starts the measurement process of the batting mode. In the batting mode measurement process, the measurement is performed with the time within the range of the speed of the batting motion of the bat as one unit, and the measurement result obtained within the period of one unit is displayed. As shown in FIG. 10B, the measurement results are the bat swing speed (bat), the initial velocity of the hit ball (hit ball), and the estimated flight distance (flying distance) of the hit ball. The flight distance display calculates the reference flight distance from the speed of the hit ball under the conditions of "angle of hit ball: 45 degrees" and "height of hit point: 1 m". The flight distance is based on the hit ball in the center direction, and the error may be large when hitting the ball in the first base direction or the third base direction. The bat swing speed (bat) and the initial speed of the hit ball (hit ball) are calculated by, for example, a known method. If the initial velocity of the hit ball (hit ball) is not detected, the initial velocity of the hit ball (hit ball) and the estimated flight distance of the hit ball (flying distance) are not displayed. Therefore, as shown in FIG. 10C, the display content of the detection result differs as follows depending on the operating conditions of the batter. That is, when the ball is hit back or knocked, the bat swing speed (bat), the initial velocity of the hit ball (hit ball), and the estimated flight distance of the hit ball (flying distance) are measured and displayed. The bat swing speed (bat) is measured and displayed when the ball is missed or swung. Each time one unit of measurement is performed, these calculated values are displayed blinking for the time set in the system settings (initial value is 3 seconds), and after a certain period of time, the calculated values are displayed from blinking. Turns on to notify that the detection result has been updated. The blinking time of the speed display (initial value: 3 seconds) can be changed in the system settings. Up to 200 detection results are recorded in the non-volatile memory of the control unit 13 of the main body 10 together with the recording number. Therefore, even if the battery is removed or the battery is exhausted, the record of the detection result is not deleted. The detection result recorded on the main unit can be saved in the microSD card in the system settings. After that, it is determined whether the detection method set / stored in the control unit 13 is "once" or "continuous", and if it is "once", the measurement process is terminated and the display is currently being displayed. On the other hand, if it is continuous, the batting mode measurement process is performed again (that is, the measurement of the next unit is started). During these processes, it is detected whether the press of the start / stop button 17b is detected, and if the press of the start / stop button 17b is detected, the measurement process is terminated and the currently displayed screen is displayed. It is in the state of being.

Next, the golf mode will be described with reference to FIGS. 11 to 13. In the golf mode, the head speed, ball speed, estimated flight distance, and meet rate in the golf club swing are displayed on the display unit 14 of the main body 10.

As a specific process, as shown in FIG. 11, after the golf mode is selected, the control unit 13 determines whether the press of the right button of the main body 10 is detected, and the press of the right button is detected. In that case, the process shifts to the setting menu process. If the press of the right button is not detected, it is determined whether the press of the start / stop button 17b is detected. When the press of the start / stop button 17b is detected, the golf mode measurement process is started. If the press of the start / stop button 17b is not detected, the process returns to the detection determination of the press of the right button.

As shown in the upper part of FIG. 11, the display on the display unit 14 in the golf mode is different from other modes (the sensor 11 side is the upper side of the screen), and the sensor 11 side is the lower side of the screen. Performs the process of flipping the display upside down. As described above, in the golf mode, the display direction of the screen is different from that of the other modes. When measuring the golf mode, unlike the case of measuring in other modes, when the measurer himself becomes the person to be measured or the person who moves the object to be measured and also the person who sees the measurement result, The measurement result is viewed from the emission direction side of the microwave Doppler sensor 11. By doing so, the display of the measurement result is easy to see in each mode, and it is convenient when measuring the speed related to a plurality of different sports. A good speed measuring device can be realized.

In the processing of the setting menu, the setting menu is displayed, the pressing of the upper button and the lower button of the main body 10 is detected, and the right button is pressed with the selection item "club type selection" in the setting menu selected. Detect if it was done. If the right button is pressed while "Select club type" is selected, the club type selection menu is displayed. The club type selection menu displays the selection items of 1W, 3W, 5W, 3I, 4I, 5I, 6I, 7I, 8I, 9I, User1, User2, and User3 in order from top to bottom, and presses the up and down buttons. Is detected and the club selected from these selection items is highlighted. When the press of the set button is detected, the selected club is set as the selected club (stored in the non-volatile memory of the control unit 13), and the process returns to the process after the above-mentioned golf mode is selected. .. The initial value of the club type is 1W.

After pressing the start / stop button 17b, the user installs the microwave Doppler sensor 11 of the main body 10 in the direction of launching the ball, as shown in FIG. The main body 11 is placed on a flat place without undulations, and is installed so that there is no obstacle between the main body and the ball.

In the golf mode measurement process, the measurement is performed with the time within the range of the swing motion speed of the golf club as one unit, and the measurement result obtained within the period of one unit is displayed. The measurement result is displayed by selecting from the items of "head speed / ball speed / meet rate / estimated flight distance / all" in the "screen select" setting of the setting menu, and using the selected contents. The initial value is set to "head speed". As shown in the lower part of FIG. 11, when "head speed" is set, the head speed is displayed, and when "ball speed" is displayed, the ball speed is displayed and the "meet rate" is set. If it is displayed, the meet rate is displayed, and if it is set to "estimated flight distance", the estimated flight distance is displayed as shown in FIG. 12 (a), and it is set to "all". If so, the head speed, ball speed, meet rate, and estimated flight distance are all displayed as shown in FIG. 12 (b). When displaying only one of "head speed / ball speed / meet rate / estimated flight distance" as shown in the lower part of FIG. 11 and the left side of FIG. 12 (a), it is shown on the right side of FIG. 12 (a). Compared to the case where the head speed, ball speed, meet rate, and estimated flight distance are all displayed, the one set as the display target among "head speed / ball speed / meet rate / estimated flight distance" is displayed larger. I am trying to do it. In the golf mode, unlike the case of measurement in other modes, the measurer himself becomes a person who swings the golf club which is the object to be measured and also a person who sees the measurement result, so that the measurement is performed away from the main body 10. When the result is displayed, when only one of "head speed / ball speed / meet rate / estimated flight distance" is displayed, only one measurement result is displayed, so that it is easy to see. On the other hand, in other modes, it is possible to grasp a plurality of pieces of information at the same time. The head speed, ball speed, meet rate, and estimated flight distance may be measured and calculated by the method described in, for example, Japanese Patent Application Laid-Open No. 2010-005289. The meat rate is calculated by "ball speed ÷ head speed". If the ball speed can be detected, the estimated flight distance is calculated from the ball speed. If the ball speed cannot be detected, such as a ball with a high trajectory (a ball hit with an iron with a large number) when swinging, it is calculated from the head speed. Since the coefficient of restitution of the head and the ball is added to the ball speed, a more accurate numerical value can be calculated by comparing with the estimated flight distance from the head speed. The loft angle for calculating the estimated flight distance may be set for each club type as shown in FIG. 13, for example, and the estimated flight distance may be calculated using this set value. When the obtained meet rate is 1.40 (initial value) or more, a nice shot is displayed as shown in FIG. 12 (b). note that. The meat rate value (= nice shot reference value) can be changed in the setting menu. Each time one unit of measurement is performed, these calculated values are displayed blinking for the time set in the system settings (initial value is 3 seconds), and after a certain period of time, the calculated values are displayed from blinking. Turns on to notify that the detection result has been updated. The blinking time (initial value: 3 seconds) can be changed in the system settings. Up to 500 detection results are recorded in the non-volatile memory of the control unit 13 of the main body 10 together with the recording number. Therefore, even if the battery is removed or the battery is exhausted, the record of the detection result is not deleted. The detection result recorded on the main unit can be saved in the microSD card in the system settings. The nice shot display is displayed while the detection result is blinking. When these processes are completed, the golf mode measurement process is performed again (that is, the measurement of the next unit is started). After a certain time has passed after the measurement result is obtained, the next measurement may be started (with a measurement prohibition period in between). During these processes, it is detected whether the press of the start / stop button 17b is detected, and if the press of the start / stop button 17b is detected, the measurement process is terminated and the currently displayed screen is displayed. It is in the state of being.

Next, the sprint mode will be described. In the short-distance running mode, the speed at which a person runs in the 100m run or the like is displayed as a numerical value or a graph on the display unit of the main body 10 and transmitted to the slave unit 30. The slave unit 30 displays the maximum speed (rounded to the nearest whole number). Make sure that the course you run is straight and that there are no other runners. This machine can display the speed of running a straight line distance of about 20 to 120 m.

As shown in FIG. 14A, the main body 10 is installed at a position about 3 to 5 m directly behind the start position, and the microwave Doppler sensor 11 is directed toward the back of the runner. For stable detection, it is desirable to install using a table such as a desk or a tripod for a camera.

As a specific process, as shown in FIG. 14B, when the control unit 13 detects that the start / stop button 17b is pressed after the sprint mode is selected, the sprint mode measurement process is performed. To start. In the measurement process of the sprint mode, after the speed is first detected, the distance is integrated and calculated based on the detected speed and the passage of time, and the distance is the distance set in the setting menu (range of 20 to 120 m). It can be set in units of 10 m. The initial value is 100 m.) The measurement is performed with the operation of ending the measurement as one unit. For the display format, set whether to perform "graph display" or "numerical display" in the setting menu, and display in the set display format. When set to "Graph display", as shown on the left side of FIG. 14C, the vertical axis represents the maximum speed measured in one unit and the speed measured at any time in one unit, and the setting menu. The graph is displayed with the horizontal axis corresponding to the setting in the "Graph horizontal axis item" ("Time (S)" or "Distance (m)", and the initial value is "Time"). The vertical axis is displayed in "speed (km / h)", and when the press of the upper button / lower button of the main body is detected, the display range of the vertical axis (speed) is scrolled. When set to "Numerical display", "Maximum speed", "A time", "A distance", "B time" and "B distance" are displayed as shown on the right side of FIG. 14 (c). do. In "Maximum speed", the maximum speed obtained in one unit is displayed. In "A time", the time required to reach the maximum speed is displayed. In "A distance", the distance required to reach the maximum speed is displayed. In "B time", the time during which the maximum speed was held (the time from the maximum speed to the detection of deceleration for the maximum speed holding condition (initial value 2 km / h) set in the setting menu) is displayed. .. "B distance" displays the maximum speed holding distance (distance from the maximum speed to the detection of deceleration by the maximum speed holding condition (initial value 2 km / h) set in the setting menu). Only the latest one of these detection results is recorded in the non-volatile memory of the control unit 13 of the main body 10. Therefore, even if the battery is removed or the battery is exhausted, the record of the detection result is not deleted. The detection result recorded on the main unit can be automatically saved on the microSD card. After that, it is determined whether the detection method set / stored in the control unit 13 is "once" or "continuous", and if it is "once", the measurement process is terminated and the display is currently being displayed. On the other hand, if it is continuous, the measurement process of the sprint mode is performed again (that is, the measurement of the next unit is started). During these processes, it is detected whether the press of the start / stop button 17b is detected, and if the press of the start / stop button 17b is detected, the measurement process is terminated and the currently displayed screen is displayed. It is in the state of being.

As described above, in the sprint mode, a graph in which the speed history in one unit is arranged in chronological order is also generated as display information, and the graph in the one unit is displayed.

Next, the general-purpose mode will be described. In the general-purpose mode, the running speed (motor sports) of a car / motorcycle and the speed of skiing / snowboarding are displayed as numerical values or graphs on the display unit 14 of the main body 10 and transmitted to the slave unit 30. The slave unit 30 displays the maximum speed in the last 5 seconds received on the display unit 34.

As shown in FIG. 15A, the main body 10 is installed with the microwave Doppler sensor 11 of the main body 10 facing from the front or the rear of a moving object (such as an automobile). For stable detection, it is desirable to install using a table such as a desk or a tripod for a camera.

As a specific process, as shown in FIG. 15B, when the control unit 13 detects that the start / stop button 17b is pressed after the general-purpose mode is selected, the control unit 13 starts the measurement process of the general-purpose mode. In the general-purpose mode measurement process, the speed is detected at any time (the setting menu can be set every 100 ms between 100 ms and 1000 ms, and the initial value is every 500 ms), and as shown in FIG. 15 (b), the latest speed is detected. The detection speed, the maximum speed among the detection speeds from the start of the measurement process to the present, and a graph are displayed. In the graph display, the speed measured at any time is set on the vertical axis, and the setting in the "Graph horizontal axis item" of the setting menu ("Time (S)" or "Distance (m)", and the initial value is "Time". The horizontal axis is the one that corresponds to). The vertical axis is displayed in "speed (km / h)", and when the pressing of the upper button / lower button of the main body 10 is detected, the display range of the vertical axis (speed) is scrolled. When the speed display reaches the right end of the horizontal axis, the graph is scrolled so that the detection speed for the past 50 seconds is displayed with the latest detection speed as the right end. These detection results are recorded in the non-volatile memory of the control unit 13 of the main body 10 at any time. Therefore, even if the battery is removed or the battery is exhausted, the record of the detection result is not deleted. The detection result recorded on the main unit can be automatically saved on the microSD card. During these processes, it is detected whether the press of the start / stop button 17b is detected, and if the press of the start / stop button 17b is detected, the measurement process is terminated and the currently displayed screen is displayed. It is in the state of being. As described above, in the general-purpose mode, unlike the other modes, the measurement is not performed for each unit, but the continuous measurement is performed.

In this way, in the general-purpose mode, a graph in which the history of the instantaneous speed is arranged in chronological order is generated as display information, and the graph of the history of the latest predetermined number of cases (the number corresponding to the past 50 seconds) is displayed. ..

As described above, the main body 10 of the speed measuring device of the present embodiment is output from the microwave Doppler sensor 11, the amplifier 12 that amplifies the Doppler signal output from the microwave Doppler sensor 11, and the amplifier 12. It is a speed measuring device for sports including a control unit 13 that detects a speed based on a Doppler signal, generates display information based on the speed, and displays it on the display unit 14, and the control unit 13 is a measurement target. Dedicated processing (processing of pitching mode, processing of batting mode, processing of golf mode, processing of short-distance running mode) for generating display information in a predetermined unit of movement (one unit) in sports, and these predetermined processes. General-purpose processing (general-purpose mode processing) that generates instantaneous speeds repeatedly obtained at predetermined time intervals as display information without specializing in sports, and the dedicated processing based on switching instructions from the user. A switching means for switching between the means and the general-purpose processing means is provided. A switching process (main menu process) for switching between a dedicated process and a general-purpose process is performed based on a switching instruction from the operation unit 14 from the user.

In this way, the user can use the dedicated mode (pitching mode, batting mode, golf mode, sprint mode) in which display information for a predetermined movement unit in the sport to be measured is displayed as needed. It can be used by switching between the general-purpose mode in which the instantaneous speed obtained repeatedly at a predetermined time interval is displayed. Therefore, it is a speed measuring device suitable for measuring speeds related to a plurality of different sports.

In each dedicated process, the process of generating display information (measurement result) based on the Doppler signal output from the microwave Doppler sensor 11 is, for example, a Doppler signal output from the amplifier 12 for one unit. It is preferable to perform frequency analysis to calculate the repetition speed, record the repeatedly calculated speed in the RAM, and generate display information to be displayed in the unit based on the history of the recorded speed.

In general-purpose processing, the instantaneous speed obtained repeatedly at a predetermined time interval is generated as display information (measurement result), so unlike the dedicated processing, it is continuous regardless of a predetermined movement unit in the sport to be measured. The instantaneous speed is displayed as display information. In the general-purpose processing, display information is generated by processing that is not specialized for a specific sport, and the generated display information is also information that is not specialized for a specific sport. The predetermined time interval is a time interval suitable for measurement common to various sports. As described above, this predetermined time interval can be set every 100 ms between 100 ms and 1000 ms in the setting menu, and the initial value is every 500 ms.

In each dedicated process, the start and end of a predetermined movement unit in the sport to be measured is specified based on the Doppler signal, so another sensor is provided to start and end the predetermined movement unit. There is no need to specify it, and the cost can be suppressed.

In general-purpose processing, the instantaneous speed repeatedly obtained at predetermined time intervals is generated and displayed as display information from the input of the start instruction from the user to the input of the end instruction, so that it can be used in various sports. It is possible to measure the speed in a range according to the user's intention according to the general purpose.
Further, in each processing mode, the following functions may be provided in the setting menu, and when selected, the functions may be executed.

A "no count" menu is provided, and a no count function is provided to erase the latest detection results from the memory. By doing so, it is possible to easily prevent the result from being recorded when there is a measurement error.

As shown in FIG. 16, an error in the display information (measurement result) may occur depending on the installation condition of the main body. It is advisable to set an angle and use this set angle to correct the angle error of the display information and display it.
The setting menu may have the same configuration as the main menu shown in FIG. 5, and may be configured as shown in FIG. 17, for example.

10 Main unit 11 Microwave Doppler sensor 12 Amplifier 13 Calculation unit 14 Display unit 15 Storage unit

Claims (2)

A main unit equipped with a display means and installed at a predetermined location, and a slave unit having a portable remote control function having a function of receiving and displaying information transmitted from the main unit installed at the predetermined location. With
The main body and the slave unit are each powered by batteries.
While displaying an icon on the main body that displays the remaining battery level of the main body in stages,
When the battery level of the slave unit is not low, the slave unit displays a first icon which is not displayed when the battery level of the main body is not low and is displayed when the battery level is low. A device characterized by displaying a second icon that is displayed when the number is reduced without displaying. The device according to claim 1, wherein the bottom surface of the main body is provided with a storage portion for the battery.

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