KR20110120055A - An automatic speed control running machine using ultrasonic sensor modules and an automatic emegency stopping apparatus using ultrasonic sensor modules - Google Patents

Abstract

PURPOSE: An automatic speed control treadmill and an urgency braking device are provided to automatically control the speed of the treadmill in corresponding to the running speed of a user. CONSTITUTION: An automatic speed control treadmill comprises: a treadmill main body(31) including a display, an operation panel(37), a frame and a belt constituting the body of the treadmill, and a motor(35) for driving the belt; an upper ultrasonic sensor module(32) measuring distance to the upper body of a user from the treadmill main body; a lower ultrasonic sensor module(33) measuring distance to the abdomen of the user from the treadmill main body; and a central processing unit(34) performing speed control and stop functions of the belt.

Description

An automatic speed control running machine using ultrasonic sensor modules and an automatic emegency stopping apparatus using ultrasonic sensor modules}

The present invention relates to an automatic speed control treadmill using an ultrasonic sensor, and more specifically, by adjusting the rotational speed of the belt automatically according to the user's movement speed, it is possible to provide a user with a more similar exercise conditions to the outdoor environment. The present invention relates to an automatic speed treadmill.

In addition, the present invention relates to an automatic speed control treadmill having a fast response speed and a simpler measuring method to reflect not only the individual's movement tendency but also to be used in various sports graft games.

In addition, the present invention relates to an automatic emergency stop device that operates wirelessly without the need for a separate operation by replacing the emergency stop switch used in existing wrists and the like.

In recent years, as the demand for health and interest increases, more people use treadmills.

Of course, running outdoors is less boring than running indoors, but with a treadmill, you can exercise at any time you want and watch TV or listen to music, regardless of the weather or outside temperature. In recent years, more and more people are buying personally.

Most of these treadmills have a structure in which the belt rotates at a constant speed and the user runs accordingly. In this case, using the programming function, for example, the speed is automatically started every 30 seconds to 2 minutes. It can be controlled, but it's also a passive structure in which a person adjusts to a treadmill.

In addition, in recent years, a product with a TV on the treadmill itself has been commercially available, and a system that combines games and sports has been commercially available, and the popularity of the treadmill is more interesting. In order to develop a variety of methods, a more active treadmill system is needed.

In other words, as the belt rotates quickly when the user runs fast, and the belt rotates slowly when the user runs slowly, the function of being integrated with the user becomes increasingly important.

As an example of such an automatic speed control type treadmill, there has conventionally been a treadmill using a method of analyzing speed information that a user runs using an infrared LED and a light receiving sensor.

An example of such a conventional speed control treadmill is a "speed control treadmill and its control module" as described in Patent No. 10-0903410.

As shown in FIG. 1, the treadmill described in the patent document measures the speed of movement of the user 1000 by using the ultrasonic information measured by the ultrasonic sensor 2000, and according to the measured information. The main focus is to provide smoother braking using the motor when is reduced or stopped.

However, in the treadmill, as shown in FIG. 1, the part that detects whether or not to exercise is limited to 70 cm to 110 cm from the upper surface of the treadmill. Since one treadmill uses one ultrasonic sensor, for example, even if you are exercising at the same speed, if you lean forward or lean back, you will not be able to distinguish them accurately and simply change the distance. Recognizing only the thing, the case of accelerating or decelerating the speed occurred regardless of the user's will.

In addition, as another example of a conventional automatic speed control treadmill, there is a "treadmill, fitness equipment and its control method" as described in the Patent No. 2009-38793, which is, as shown in Figure 2, the athlete avatar By displaying the avatar and the trainer avatar through the display device to motivate the athlete to complete the target driving course, and to provide the athlete with a guide to the exercise target by the profile more effectively, the speed is automatically adjusted. Although it includes a function, the part was substantially the same as that described in the above-mentioned Patent No. 10-0038793.

That is, as described above, the conventional automatic speed control treadmills have problems for various reasons such as stability and reaction speed, that is, the posture of the user or the position of the foot is different for each user, and the movement of the foot moving faster than expected. Acquiring a sensor and accurately calculating the value was very difficult.

Therefore, there is a need to provide an automatic speed control treadmill that can be integrated with the user and operate at the same time and can measure speed faster and more accurately. However, an automatic speed control treadmill that meets all such requirements has not been provided. .

The present invention is to solve the problems of the prior art as described above, that is, the object of the present invention, in order to allow the user to exercise more fun, if the user runs fast, the belt rotates quickly and the user runs slowly As the belt rotates slowly, it is to provide an automatic speed control treadmill that is integrated with the user and actively operates using an ultrasonic sensor.

In addition, another object of the present invention, to solve the problems of the conventional treadmill that was difficult to accurately capture the movement of the user's fast moving, automatic speed that can automatically adjust the speed in response to the user running speed using the ultrasonic sensor It is to provide an adjustable treadmill.

In addition, another object of the present invention is to store the user information, and by using it to set and change the constant speed and acceleration section for each user, the setting and change of the deceleration and emergency stop zone, providing personalized service using the existing data, etc. It is to provide an automatic speed control treadmill using a new ultrasonic sensor.

In addition, another object of the present invention is to replace the emergency stop switch used in existing wrists, etc., to provide an automatic emergency stop device using an ultrasonic sensor that operates wirelessly without a separate operation.

In order to solve the above problems, according to the present invention, in the automatic speed control treadmill that automatically performs the movement speed and stop function according to the user's state, the frame and belt constituting the body of the treadmill and the belt A treadmill main body including a motor for driving the treadmill and a display and an operation panel for operating the treadmill, and a center of the lower end of the operation panel, and measuring a distance from the treadmill main body to the upper body of the user. The upper ultrasonic sensor module and the upper ultrasonic module separately from the treadmill main body is installed to be movable up and down on the mounting rod installed in the vertical direction to the lower portion of the operation panel to adjust the height to the height of the abdomen of the user Lower ultrasonic sensor measuring the distance to the abdomen of the user A module and information on at least one or more individual users are separately stored as reference distance information by using the distance values measured by the two modules, and are automatically adapted to each user based on the reference distance information. There is provided an automatic speed control treadmill using an ultrasonic sensor, characterized in that it comprises a central processing unit for performing the speed control and stop function of the belt.

The upper and lower ultrasonic sensor modules may include a receiver and a transmitter, and the lower ultrasonic sensor module may further include a laser indicator for checking the height.

In addition, the lower ultrasonic sensor module further includes a drive motor and a drive gear, the mounting rod further includes a toothed rail corresponding to the drive gear, thereby operating the button or switch provided on the operation panel The lower ultrasonic sensor module is configured to be able to adjust its height by moving up and down.

Here, the drive motor uses a motor capable of knowing the rotation speed, such as an encoder-type DC motor or a servo motor.

In addition, the automatic speed control treadmill using the ultrasonic sensor calculates and stores the moving distance of the lower ultrasonic sensor module for each of at least one user, and automatically sets the position whenever the user changes using the value. It is characterized in that it is configured to perform.

In addition, the upper and lower ultrasonic sensor modules are configured to send a signal for measurement as a specific byte signal in order to prevent crosstalk with other signals, and to receive only the corresponding value of the returned value. Receiving data five times a second from the upper and lower ultrasonic sensor module, characterized in that configured to minimize the error by using the average of the remaining values except the highest value and the lowest value of the received value as the reference distance.

In addition, the reference distance is running by increasing the interval of 2Km / h ~ 10Km / h by 1Km / h at intervals of 20 seconds by measuring the distance of the upper body and abdomen in each section and the remaining values except for the highest value and the lowest value It is set by taking an average value, and the set value is stored in the central processing unit.

In addition, when setting the reference distance, it may be configured to directly input the maximum speed and the minimum speed to run for each user during the measurement.

In addition, the central processing unit, receiving a user ID to check whether the information is stored for the user, and if the user ID is confirmed, the value of the value measured by the upper and lower ultrasonic sensor module in 0.5 seconds unit Calculating an average distance of the upper body and the abdomen of the current user by measuring an average value, wherein the distance between the upper body and the abdomen is 1/4 of the total length of the belt of the treadmill or the distance of the upper body is the total length of the belt Increasing the speed in units of 1 km when the distance is less than 1/5, and decelerating by 1 km when the distance between the upper body and the abdomen is 3/4 or less of the entire length of the belt, and the distance between the upper body and the abdomen is At 4/5 of the belt's total length, if it goes wrong, the user may fall out of the treadmill and push it out, immediately decelerating 2 km / h and calling an alarm. And if the user's distance is not measured suddenly or the reference distance is greater than the reference distance, the user regards the user as falling out of the treadmill and judges that the emergency stop section sounds an alarm and immediately stops the treadmill. If none of the case is characterized in that configured to perform the process comprising the step of maintaining the current speed.

The checking of the user ID may include: receiving and giving a new user ID if the user ID is not confirmed, receiving a minimum speed and a maximum speed to measure a reference distance of the new user; Measuring the distance of the upper body and the abdomen of the new user for 20 seconds for each step while increasing the speed step by step from the minimum speed to the maximum speed, and calculating the average of the remaining values except for the highest and lowest values of the measured values; And storing the data as a reference distance of the new user.

In addition, according to the present invention, in the automatic emergency stop device using an ultrasonic sensor which is installed on the same device as the treadmill and automatically stops the device in the event of an accident, is installed in the center of the lower end of the operation panel from the treadmill main body The upper ultrasonic sensor module for measuring the distance to the upper body of the user, and apart from the upper ultrasonic module, vertically moved to the mounting rod installed in the vertical direction at the bottom of the operation panel to adjust the height to the height of the abdomen of the user It is installed so as to include, the lower ultrasonic sensor module for measuring the distance from the treadmill body to the user's abdomen, and a central processing unit for performing an emergency stop function using the distance value measured in the two modules Automatic emergency stop device using ultrasonic sensor It is a ball.

The upper and lower ultrasonic sensor modules may include a receiver and a transmitter, and the lower ultrasonic sensor module may further include a laser indicator for checking the height.

The lower ultrasonic sensor module may further include a drive motor and a drive gear, and the mounting rod further includes a toothed rail corresponding to the drive gear, thereby operating a button or a switch provided on the operation panel. By doing so, the lower ultrasonic sensor module is configured to be able to adjust its height.

In addition, the drive motor, such as an encoder-type DC motor or servo motor using a motor that can know the number of revolutions, the central processing unit calculates and stores the movement distance of the lower ultrasonic sensor module for each of at least one or more users. And using the value, is configured to automatically position each time the user changes.

In addition, the upper and lower ultrasonic sensor module is configured to send a signal for measurement as a specific byte signal in order to prevent crosstalk with other signals, and to receive only the corresponding value of the returned value. Receives data five times a second from the upper and lower ultrasonic sensor module, characterized in that configured to minimize the error by using the average of the remaining values except the highest value and the lowest value of the received value as the reference distance .

In addition, the central processing unit, checking the user ID, and if not confirmed, receiving and giving a new user ID, receiving the minimum speed and the highest speed to measure the reference distance of the user, and starting from the minimum speed Measuring the distance of the user's upper body and abdomen for 20 seconds for each step while increasing the speed step by step up to the maximum speed, and calculating the average of the remaining values except the highest and lowest values of the measured values And storing information as a distance in advance and storing information for each of the at least one user in advance, and if the user's distance is not measured suddenly while the treadmill is in operation or the measured value is greater than or equal to the reference distance, It is considered that the user has fallen out of the treadmill and the alarm is judged as an emergency stop section. It is characterized in that configured to perform the process of ringing and immediately stopping the treadmill.

As described above, according to the present invention, the ultrasonic speed sensor is integrated to the user and is configured to actively operate, so that when the user runs fast, the belt rotates quickly and when the user runs slowly, the automatic speed control treadmill rotates slowly. Can provide.

In addition, according to the present invention, by using the ultrasonic sensor is configured to automatically adjust the speed in response to the running speed of the user, it is possible to solve the problem of the conventional automatic adjustment treadmill that was difficult to accurately capture the movement of the fast moving user Can provide automatic speed treadmill.

In addition, according to the present invention, it is possible to provide an automatic speed control treadmill using a new ultrasonic sensor capable of providing a personalized service using user-specific data by storing user information.

That is, according to the present invention, by providing a treadmill that can automatically adjust the speed by receiving the upper body and abdominal distance using the two ultrasonic sensor modules, it is possible to automatically adjust the speed, based on this feeling of running outdoors It can be reproduced more realistically, can be used in various games, and can be used together with various people by interworking with a network.In addition, it replaces the emergency stop switch used in connection with the cuff, and has no line emergency. It is possible to provide an automatic speed control treadmill using an ultrasonic sensor capable of implementing a stop switch.

1 is a view schematically showing the overall configuration of a conventional automatic speed control treadmill.
2 is a view schematically showing another example of a conventional automatic speed control treadmill.
3 is a view schematically showing the overall configuration of the automatic speed control treadmill using the ultrasonic sensor according to the present invention.
Figure 4 is a view schematically showing the configuration of the ultrasonic sensor module of the automatic speed control treadmill using the ultrasonic sensor according to the present invention, Figure 4a is a front view thereof, Figure 4b is a bottom view thereof, Figure 4c is a right side view thereof. to be.
5 is a view schematically showing the configuration of the user information stored in the automatic speed control treadmill using the ultrasonic sensor according to the present invention.
6 is a view showing a running posture of each user using the automatic speed control treadmill using the ultrasonic sensor according to the present invention, Figure 6a shows a state when the speed is low or force, Figure 6b is a normal state 6C are diagrams each illustrating a state when the user runs at high speed.
7 is a flowchart showing the overall operation algorithm of the automatic speed control treadmill using the ultrasonic sensor according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the automatic speed control treadmill using the ultrasonic sensor according to the present invention.

Here, the content described below is an embodiment for carrying out the present invention, and the present invention is not limited only to the content of the embodiment described below.

First, referring to FIG. 3, FIG. 3 is a view schematically showing the overall configuration of an automatic speed control treadmill using an ultrasonic sensor according to the present invention.

As shown in Figure 3, the automatic speed control treadmill 30 using the ultrasonic sensor according to the present invention, the treadmill main body 31, the upper ultrasonic sensor module 32 that can measure the distance to the upper body, It includes a lower ultrasonic sensor module 33 that can measure the distance to the abdomen, and a central processing unit 34 that automatically performs the speed and stop function of the belt by using the distance value of the two modules.

That is, the automatic speed control treadmill 10 using the ultrasonic sensor according to the present invention measures the distance between the user and the treadmill using the upper and lower ultrasonic sensor modules 32 and 33, and uses the value. As will be described later to perform the function of automatically adjusting the speed of the treadmill.

Subsequently, the details of the automatic speed control treadmill 30 using the ultrasonic sensor according to the present invention as described above will be described.

Here, except for the upper and lower ultrasonic sensor modules 32 and 33 and the central processing unit 34, the treadmill main body 31 itself is a motor 35, a belt 36, a display and an operation panel 37. In addition, since it may be the same as the existing treadmill comprised with the frame 38 etc., the detailed description is abbreviate | omitted for simplification of description.

In addition, the central processing unit 34 may be installed inside the operation panel 37, as shown in FIG.

First, referring to FIG. 4, FIG. 4 illustrates the configuration of the ultrasonic sensor modules 32 and 33 installed in the automatic speed control treadmill 30 using the ultrasonic sensor according to the present invention.

That is, the ultrasonic sensor modules 32 and 33 are composed of the receiver 41 and the transmitter 42 as one module, and the upper ultrasonic sensor module 32 is installed at the center of the lower end of the operation panel 37, and the lower ultrasonic sensor Module 33 is attached to the mounting rod 39 to adjust the height, it is installed in accordance with the height of the abdomen of the user.

At this time, the height may be configured to be adjusted in the operating panel 37 of the treadmill in order to store the information of several people, in addition, the lower ultrasonic sensor module 33 in order to know the exact position of the laser indicator for checking the height Except that 43 is further included, it can be seen that the upper and lower ultrasonic sensor modules 32, 33 are the same.

Accordingly, as shown in FIG. 3, when the ultrasonic sensor modules 32 and 33 are mounted at positions corresponding to the center of the lower end of the operating panel 37 of the treadmill and the abdomen of the user, respectively, from the name of the user who uses the treadmill, The distance to the treadmill can be measured in real time, and the signal for measurement can be sent as a specific byte signal to prevent crosstalk with other signals, and the returned value can also be configured to receive only the corresponding value. have.

In addition, in order to minimize the error, the ultrasonic sensor to receive data five times a second, using the average of the remaining three values except the highest value and the lowest of these values as a reference distance.

Next, a configuration for automatically adjusting the height of the lower ultrasonic sensor module 33 will be described.

Since the lower ultrasonic sensor module 33 has different positions of the abdomen for each user, the height of the lower ultrasonic sensor module 33 should be different according to the user. Of course, the user can manually adjust the height while watching the position of the pointer through the laser indicator 41. In the exercise center used by a family or used by several people, but the stored value can be used next time only when the measured value is stored by using a motor, it is preferable to further include a module for height adjustment using a motor. .

That is, for example, although not shown, the drive motor and the drive gear are installed in the lower ultrasonic sensor module 33, and the installation rod 39 is formed with a toothed rail that meshes with the drive gear, and the operation panel 37 By operating a button or a switch installed in the) can be adjusted by adjusting the height of the lower ultrasonic sensor module 33 to move.

At this time, since the measurement is possible only by knowing the rotational speed and the rotational speed of the motor, in this embodiment, a motor capable of knowing the rotational speed is used, for example, an encoder-type DC motor or a servomotor.

Therefore, as described above, the operation panel 37 is configured to drive the motor by button or switch operation, etc., so that the lower ultrasonic sensor module can be moved up and down, and calculate and store the moving distance at this time, whenever the user changes. You can always determine the exact position without the hassle of repositioning each time.

Next, a configuration for storing user information will be described.

In general, the running posture varies from person to person, and in the case of the treadmill, the running belt is limited in length, and also has a disadvantage in that it is actually shorter than running outdoors.

For this reason, in the automatic speed treadmill, it is necessary to store information about each user separately and to adjust the speed to suit each user based on the information.

At this time, the stored content is reference distance information for each running speed. As shown in FIG. 5, the information can be sufficiently stored as 30 bytes per person as binary data.

Next, the speed adjusting portion will be described.

First, with respect to the reference distance setting, the running speed of the treadmill is determined based on the running speed. In general, the walking speed is about 2 km / h to 4 km / h and light jogging is about 5 km / h to 7 km / h. Sprinting is at speeds above 10 km / h.

At this time, since the running posture for each speed is different for each individual, the reference posture is input in units of 1km.

Here, the reference position for each speed is as shown in Figure 6, when the speed is generally low or tired, as shown in Figure 6a the upper body is pushed behind the abdomen, Figure 6b is a general running posture, Figure 6c This is the section in the high-speed section.

In addition, the value used for actual speed control uses the average value of two sensors.

That is, for example, in order to measure the reference distance, 2Km / h to 10Km / h sections are run in increments of 1Km / h at 20 second intervals, and the distance between the upper body and the abdomen is measured in each section.

At this time, the maximum speed to run for each person is different, so the maximum and minimum speed can be limited. For example, if the minimum speed is 4Km / h and the maximum speed is 8Km / h, it is a total of 5 steps. Save basic posture for seconds.

Next, with respect to the measurement of the acceleration section, the average distance of the user, that is, the average value of the reference value measured by the upper and lower sensors in 0.5 seconds based on the previously measured reference distance is measured.

Although the belt length of the treadmills is all different, if the belt length is 120 cm, the speed is increased in units of 1 km when the average length is 30 cm (1/4 of the total length) or the upper part is 24 cm (1/5 of the total length) or less.

This is because the speed change of the treadmill generally requires about 2 seconds, so the speed is adjusted in consideration of the length of the belt.

Subsequently, for the measurement of the deceleration section, first, the normal deceleration section decelerates by 1 km when the distance between the upper end and the lower end is less than 3/4 (90 cm) of the total length, and at this time, the deceleration time is about 1 second. As necessary, adjust this length according to the individual.

Next, when the distance between the upper end and the lower end is 4/5 (96 cm) of the total length, it is determined as an alarm call section and calls an alarm.

In this case, the speed of 2 Km / h is immediately reduced because the user may fall out of the treadmill if it is wrong.

Subsequently, if the user's distance is not measured suddenly or the reference distance (currently 120 cm) is exceeded, it is determined as an emergency stop section, an alarm sounds and the treadmill is stopped immediately.

That is, in this case, it is assumed that the user has fallen out of the treadmill and immediately performs the stop function.

In addition, the series of operations as described above can be performed by an algorithm such as the flowchart shown in FIG.

Referring to FIG. 7, first, a user ID is input to identify a user, and it is checked whether information about the user is stored (step S1).

If the user ID is not confirmed, it is determined that the user is a new user and a new user ID is input (step S11).

Subsequently, the minimum speed and the maximum speed are input to measure the reference distance of the new user (step S12), and the distance of the upper body and abdomen of the new user for 20 seconds for each step is gradually increased from the minimum speed to the maximum speed. Is measured (step S13).

Subsequently, after calculating the average of the remaining values except for the highest value and the lowest value of the measured values and storing them as the reference distance of the new user, the process then returns to the step of confirming the user ID (step S1).

When the user ID is confirmed in this way, the average distance of the values measured by the upper and lower ultrasonic sensor modules 32 and 33 in 0.5 second units is calculated to calculate the average distance of the upper body and abdomen of the current user (step S2).

Then, if the measured distance between the upper body and the abdomen is 1/4 of the total length of the belt 36 of the treadmill or the distance of the upper body is less than 1/5 of the total length of the belt 36, the speed is increased in units of 1 km ( Step S3).

Further, when the distance between the upper body and the abdomen is 3/4 or less of the entire length of the belt 36, the speed is reduced by 1 km (step S4).

In addition, if the distance of the upper body and abdomen is 4/5 of the total length of the belt 36, if it is wrong, the user determines that the user may fall out of the treadmill and be pushed out, immediately decelerating 2 Km / h and calling an alarm (step) S5).

In addition, if the distance of the user is not measured suddenly or more than the reference distance, the user is considered to have fallen out of the treadmill, and it is determined as an emergency stop section to sound an alarm and immediately stop the treadmill (step S6).

If none of the above cases applies, the current speed is maintained (step S7).

By repeating the above steps until the user ends the exercise, it is possible to implement the function of the automatic speed control treadmill using ultrasonic waves according to the present invention.

In addition, by applying the function to determine the emergency stop section as described above, it is possible to automatically stop the treadmill in the event of an accident even if the user does not operate separately, a kind of wireless emergency stop switch without installing a separate device It can also be used as.

Therefore, through the configuration as described above, the emphasis on the importance of health is increasing in the population who regularly exercise, but the general treadmill is running only at a certain speed, so it is difficult to fully utilize the fun and effect of the exercise, and eventually It solves the problems that have been left unused and can produce a similar effect to the outdoors, so that it can meet the needs of individual users, exercise centers, game companies, etc., who want a treadmill with advanced functions to get a better exercise effect. Can be.

In addition, according to the configuration of the present invention as described above, because it provides an automatic speed control function necessary for a variety of games using the treadmill, recently, a haptic game that moves the body directly beyond the game that only the eyes and head as in the prior art As it is gaining popularity, various applications are possible in response to the growing market for sports equipment that combines sports equipment and games.

Therefore, as described above, by using the automatic speed control function of the present invention can give a higher exercise effect and fun to the user, it can be applied to a variety of games, such as game companies using this, individual users also less bored It can easily contribute to the increase of exercise, which is the final goal, and thus, it can be easily expected that there will be an increase in sales for sports equipment companies.

As mentioned above, although this invention was demonstrated through the Example of this invention, this invention is not limited only to the content described in the above-mentioned Example, The person of ordinary skill in the art to which this invention belongs. It is a matter of course that various modifications, changes, combinations and substitutions are possible according to the design needs and various other factors.

30. Treadmill 31. Treadmill Body
32. Upper ultrasonic sensor module 33. Lower ultrasonic sensor module
34. Central Processing Unit 35. Motor
36. Belt 37. Display and operation panel
38. Frame 39. Mounting rod
41. Receiver 42, transmitter
43. Laser indicator

Claims (16)

In the automatic speed control treadmill that automatically performs the movement speed and stop function according to the user's state,
A treadmill body comprising a frame and a belt constituting the body of the treadmill, a motor for driving the belt, a display and an operation panel for operating the treadmill;
An upper ultrasonic sensor module installed at the center of the lower end of the operation panel and measuring a distance from the treadmill main body to the upper body of the user;
Separately from the upper ultrasonic module, it is installed to be movable up and down on the mounting rod installed in the vertical direction in the lower portion of the operation panel to adjust the height according to the height of the abdomen of the user, from the treadmill body to the abdomen of the user And the lower ultrasonic sensor module for measuring the distance of,
Using the distance values measured by the two modules, information on at least one or more individual users is separately stored as reference distance information, and based on the reference distance information, the belt is automatically adjusted to suit each user. Automatic speed control treadmill using an ultrasonic sensor, characterized in that it comprises a central processing unit for performing the speed control and stop function. The method of claim 1,
The upper and lower ultrasonic sensor modules include a receiver and a transmitter,
The lower ultrasonic sensor module is an automatic speed control treadmill using an ultrasonic sensor, characterized in that it further comprises a laser indicator for checking the height. The method of claim 1,
The lower ultrasonic sensor module further includes a drive motor and a drive gear,
The mounting rod further includes a toothed rail corresponding to the drive gear,
Thereby, the lower ultrasonic sensor module is moved so as to adjust its height by operating a button or a switch installed on the operation panel, the automatic speed control treadmill using an ultrasonic sensor. The method of claim 3, wherein
The drive motor is an automatic speed control treadmill using an ultrasonic sensor, characterized in that using a motor that can know the rotational speed, such as encoder type DC motor or servo motor. The method of claim 4, wherein
Compute and store the movement distance of the lower ultrasonic sensor module for each of at least one user, and automatically set the position whenever the user changes by using the value. Treadmill. The method of claim 1,
The upper and lower ultrasonic sensor modules are configured to send a signal for measurement as a specific byte signal in order to prevent crosstalk with other signals, and to receive only the corresponding value of the returned value.
The central processing unit is configured to receive data five times a second from the upper and lower ultrasonic sensor modules and to minimize the error by using the average of the remaining values except for the highest value and the lowest value among the received values as the reference distance. Automatic speed control treadmill using ultrasonic sensors. The method of claim 6,
The reference distance is measured by increasing the interval of 2Km / h to 10Km / h by 1Km / h in 20 second intervals and measuring the distance between the upper body and the abdomen in each section, and the remaining values except for the highest and lowest values. Set by taking an average value, the set value is an automatic speed control treadmill using an ultrasonic sensor, characterized in that stored in the central processing unit. The method of claim 7, wherein
When setting the reference distance, automatic speed control treadmill using an ultrasonic sensor, characterized in that configured to directly input the maximum speed and the minimum speed to run for each user during the measurement. The method of claim 1,
The central processing unit,
Receiving a user ID and checking whether information about the user is stored;
Calculating the average distance of the upper body and abdomen of the current user by measuring an average value of values measured by the upper and lower ultrasonic sensor modules in units of 0.5 seconds when the user ID is confirmed;
Increasing the speed in units of 1 km when the distance between the upper body and the abdomen is 1/4 of the total length of the belt of the treadmill or the distance of the upper body is 1/5 or less of the total length of the belt;
Decelerating by 1 km when the upper body and abdomen are less than 3/4 of the entire length of the belt;
Decelerating 2 km / h and immediately calling an alarm when the upper body and the abdomen are 4/5 of the entire length of the belt, determining that the user may fall out of the treadmill if it goes wrong;
If the user's distance is not measured suddenly or more than the reference distance, the user is considered to have fallen out of the treadmill, and judged as an emergency stop section to sound an alarm and immediately stop the treadmill;
If none of the above cases, the automatic speed control treadmill using an ultrasonic sensor, characterized in that configured to perform a process comprising the step of maintaining the current speed. The method of claim 9,
Checking the user ID,
If the user ID is not confirmed, receiving and giving a new user ID;
Receiving a minimum speed and a maximum speed to measure the reference distance of the new user;
Measuring the distance of the upper body and abdomen of the new user for 20 seconds for each step while increasing the speed step by step from the minimum speed to the maximum speed,
Computing the average of the remaining values except the highest value and the lowest value of the measured value and storing the reference distance of the new user further comprising the automatic speed control treadmill using an ultrasonic sensor. In the automatic emergency stop device using an ultrasonic sensor that is installed on the same machine as the treadmill and automatically stops the apparatus in the event of an accident,
An upper ultrasonic sensor module installed at the center of the lower end of the operation panel and measuring a distance from the treadmill main body to the upper body of the user;
Separately from the upper ultrasonic module, it is installed to be movable up and down on the mounting rod installed in the vertical direction in the lower portion of the operation panel to adjust the height according to the height of the abdomen of the user, from the treadmill body to the abdomen of the user And the lower ultrasonic sensor module for measuring the distance of,
Automatic emergency stop device using an ultrasonic sensor, characterized in that it comprises a central processing unit for performing an emergency stop function using the distance value measured in the two modules. 12. The method of claim 11,
The upper and lower ultrasonic sensor modules include a receiver and a transmitter,
The lower ultrasonic sensor module is an automatic emergency stop apparatus using an ultrasonic sensor, characterized in that further comprises a laser indicator for checking the height. 12. The method of claim 11,
The lower ultrasonic sensor module further includes a drive motor and a drive gear,
The mounting rod further includes a toothed rail corresponding to the drive gear,
Thereby, by operating a button or switch installed on the operation panel, the lower ultrasonic sensor module is configured to be able to adjust the height of the lower ultrasonic sensor, automatic emergency stop device using an ultrasonic sensor. The method of claim 13,
The drive motor, such as an encoder-type DC motor or servo motor uses a motor that can know the rotation speed,
The central processing unit is configured to calculate and store a moving distance of the lower ultrasonic sensor module for each of at least one user, and to automatically set a position every time the user changes using the value. Automatic emergency stop device using. 12. The method of claim 11,
The upper and lower ultrasonic sensor modules are configured to send a signal for measurement as a specific byte signal in order to prevent crosstalk with other signals, and to receive only the corresponding value of the returned value.
The central processing unit is configured to receive data five times a second from the upper and lower ultrasonic sensor modules and to minimize the error by using the average of the remaining values except for the highest value and the lowest value among the received values as the reference distance. Automatic emergency stop device using an ultrasonic sensor. 12. The method of claim 11,
The central processing unit,
Verifying the user ID and, if it is not confirmed, receiving and granting a new user ID,
Receiving a minimum speed and a maximum speed to measure the reference distance of the user;
Measuring the distance of the user's upper body and abdomen for 20 seconds for each step while increasing the speed step by step from the minimum speed to the maximum speed;
Calculating the average of the remaining values except for the highest value and the lowest value of the measured values and storing the average as the reference distance of the user to store information in advance for at least one user,
If the distance of the user is not measured suddenly while the treadmill is in operation, or if the measured value is more than the reference distance, the current user is regarded as falling out of the treadmill and the alarm is judged as an emergency stop section and the treadmill is immediately turned on. Automatic emergency stop device using an ultrasonic sensor, characterized in that configured to perform the stop processing.

Images