CN211364808U - Children fitness detection system applied to scooter - Google Patents

Abstract

The utility model provides a be applied to children's physical fitness detecting system of smooth walking car, on it was applied to a smooth walking car, smooth walking car contains a frame and the two wheels of being connected the frame. The detection system comprises a detection unit, a processing unit and a storage device. The detecting unit includes an accelerometer, an angle detector and a rotation speed detector for obtaining a set of acceleration signal, angle signal and rotation speed signal during riding respectively. The processing unit is electrically connected with the detection unit and obtains the plurality of groups of signals. The storage device is electrically connected with the processing unit and stores the plurality of groups of signals. Therefore, when the detection system is installed on the scooter, a user can detect the indexes such as sensitivity, explosive force and the like of the child according to the actual situation of the child riding the scooter, and qualitative and quantitative evaluation can be carried out on the physical fitness of the child.

Description

Children fitness detection system applied to scooter

Technical Field

The utility model relates to a detecting system, it is applied to the smooth step car and can detect children's fitness.

Background

In order to train the physical ability and balance of children, more and more people buy the scooter for children to ride. The shape and structure of the scooter is similar to that of a common bicycle, but the scooter is not provided with pedals and chains, and children can control the handles of the scooter by hands and step on the floor by feet to move, so that the children can learn walking and cultivate balance feeling.

However, the current skateboarding carts on the market can only be ridden by children, and the physical fitness and the sports performance of the children cannot be effectively detected and evaluated, so the design of the current skateboarding carts on the market is not perfect and has an improvement.

SUMMERY OF THE UTILITY MODEL

One of the objectives of the present invention is to provide a body fitness detection system for children, which can effectively detect the body fitness of children.

The reason is, the foundation the utility model provides a be applied to the detecting system of children's physical fitness of smooth walking car is applied to a smooth walking car on, smooth walking car contains a frame and the two wheels of connecting this frame, detecting system (detection module) includes a detecting element, a processing unit and a storage device. The detecting unit comprises an accelerometer, an angle detector and a rotating speed detector, wherein the accelerometer, the angle detector and the rotating speed detector are arranged on the frame, the accelerometer detects the acceleration of the scooter to obtain a set of acceleration signals, the angle detector detects the deflection angle of the frame to obtain a set of deflection angle signals, and the rotating speed detector detects the rotating speed of one of the wheels to obtain a set of rotating speed signals. The processing unit is electrically connected with the detection unit and obtains the group of acceleration signals, the group of deflection angle signals and the group of rotating speed signals. The storage device is electrically connected with the processing unit and stores the set of acceleration signals, the set of deflection angle signals and the set of rotating speed signals.

The processing unit further calculates a maximum acceleration value and an average acceleration value from the set of acceleration signals.

Wherein, still include a bluetooth device, this bluetooth device electricity connects this processing unit and transmits this maximum acceleration value and this average acceleration value to the outside of this scooter.

Wherein, this bluetooth device still transmits this group's rotational speed signal to the outside of this scooter.

The detection system transmits the maximum acceleration value and the average acceleration value to a mobile phone through the Bluetooth device, the mobile phone is provided with a screen, and the mobile phone displays the maximum acceleration value and the average acceleration value through the screen.

Wherein the accelerometer is an accelerometer.

Wherein the angle detector is a gyroscope.

Wherein, the rotating speed detector is a Hall sensor.

Therefore, when the detection system is installed on the scooter, a user can detect the indexes such as sensitivity, explosive force and the like of the child according to the actual situation of the child riding the scooter, and qualitative and quantitative evaluation can be carried out on the physical fitness of the child.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Drawings

The detailed construction, features, assembly or use of the detection system will be described in the following examples, however, it should be understood that the following examples and drawings are only illustrative and should not be taken as limiting the scope of the invention, in which:

fig. 1 is an installation schematic diagram of a detection system according to an embodiment of the present invention;

FIG. 2 is a block diagram of a detection system according to an embodiment of the present invention; and

fig. 3 is a schematic view of a riding path in accordance with an embodiment of the present invention.

Wherein, the reference numbers:

1 detection system

7 sliding vehicle

71 frame 72 wheel

72a front wheel 72b rear wheel

73 front fork 74 front tube

75 seat tube

76 rear fork

76a rear upper fork 76b rear lower fork

8 mobile phone

81 bluetooth device 82 screen

10 detection unit

12 angle detectors of 11 accelerometers

13 rotating speed detector

20 processing unit

30 storage device

40 power management circuit

41 rechargeable battery

50 Bluetooth device

Detailed Description

To illustrate the technical features of the present invention in detail, the following preferred embodiments are described with reference to the drawings, in which:

as shown in fig. 1 and 2, the embodiment of the present invention provides a detection system 1 applied to a walker 7, the walker 7 structurally includes a frame 71 and two wheels 72 (i.e. a front wheel 72a and a rear wheel 72b), the frame 71 includes a front fork 73, a front tube 74, a seat tube 75 and a set of rear forks 76 (including a rear upper fork 76a and a rear lower fork 76b), the front wheel 72a is mounted on the front fork 73, and the rear wheel 72b is mounted on the rear fork 76. The detecting system 1 includes a detecting unit 10, a processing unit 20 and a storage device 30, which are described in detail as follows:

the detecting unit 10 includes an accelerometer 11, an angle detector 12 and a rotational speed detector 13, in this embodiment, the accelerometer 11 is an accelerometer gauge installed on the seat tube 75 and used for detecting the acceleration of the scooter 7 in the front and back, left and right, and up and down axes and obtaining a set of acceleration signals. The angle detector 12 is a gyroscope in the embodiment, which is also disposed on the seat tube 75 of the frame 71 and is used for detecting the yaw angle of the frame 71 relative to the three axes to obtain a set of yaw angle signals. The rotation speed detector 13 is a hall sensor in the present embodiment, which is disposed on the rear fork 76 (which may be disposed on the upper rear fork 76a or the lower rear fork 76b) and is used for detecting the rotation speed of the rear wheel 72b and obtaining a set of rotation speed signals.

The processing unit 20 is a microprocessor in this embodiment, and the processing unit 20 is electrically connected to the accelerometer 11, the angle detector 12 and the rotation speed detector 13 of the detecting unit 10, and obtains the set of acceleration signals, the set of yaw angle signals and the set of rotation speed signals. The processing unit 20 calculates the set of obtained acceleration signals, and then obtains a maximum acceleration value and an average acceleration value of the set of acceleration signals.

The storage device 30 is a memory card in this embodiment, and the storage device 30 is electrically connected to the processing unit 20 and stores the set of acceleration signals, the set of yaw angle signals, the set of rotational speed signals, the maximum acceleration value and the average acceleration value for performing data processing and analysis on the obtained signals.

In order to effectively manage the power, the present embodiment further includes a power management circuit 40 electrically connected to a rechargeable battery 41 and providing and managing the power required by the components of the detection system 1. In addition, in order to transmit the obtained sets of signals to the outside of the walker 7, the detection system 1 of the present embodiment further includes a bluetooth device 50, the bluetooth device 50 is electrically connected to the processing unit 20 and can be controlled by the processing unit 20 to pair with another bluetooth device 81 of a mobile phone 8 (or tablet computer) outside the walker 7, in the present embodiment, the obtained sets of signals (including the maximum acceleration value and the average acceleration value) are transmitted to the external mobile phone 8 through bluetooth communication, and are controlled by an application program (APP) of the mobile phone 8 to display information such as the acceleration signal and the average acceleration value through a screen 82 of the mobile phone 8 (as shown in fig. 1).

In practical operation, after the detecting system 1 is installed on the walker 7, a child can play a game on the walker 7 on an inverted S-shaped track 90 (as shown in fig. 3), during the game, the detecting unit 10 of the detecting system 1 detects an acceleration signal, a deflection angle signal and a rotation speed signal of the child during the game, and then the signals can be used to evaluate three pointers of the sensitivity, the explosive force and the speed of the child, so as to evaluate the physical fitness and the riding performance of the child. Where sensitivity is defined as the ability of the child to quickly and efficiently change body velocity and direction, and where sensitivity is evaluated from the average acceleration value calculated in the set of acceleration signals obtained. The force burst is defined as the ability of the child to instantaneously generate force, which is evaluated from the maximum acceleration value calculated from the set of acceleration signals. The speed is defined as the ability of the child to move rapidly, and is estimated by multiplying the circumference of the rear wheel 72b by the number of rotations of the rear wheel 72b (i.e. the distance traveled by the rear wheel 72b), wherein the number of rotations of the rear wheel 72b is obtained by analyzing the tachometer signal of the tachometer 13, and then averaging to obtain the average speed, thereby estimating the riding speed of the child.

Then, the user (e.g. a parent) can use the mobile phone 8 and communicate with the detection system 1 through the bluetooth device 81 of the mobile phone 8, so that the user can obtain information such as an acceleration signal, a yaw angle signal, a rotation speed signal, a maximum acceleration value, an average acceleration value and the like through the mobile phone 8, and display the information through an application program (APP) of the mobile phone 8 and the screen 82, so that the user can display and observe the exercise performance of the child in real time through the screen 82 of the mobile phone 8, and evaluate the fitness of the child in a qualitative and quantitative manner.

The embodiments listed in the above paragraphs are intended to illustrate possible implementations of embodiments of the present invention, and the present invention is not limited to the above-exemplified implementations.

Of course, the present invention can have other embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the claims of the present invention.

Claims (8)

1. The utility model provides a be applied to children's physical fitness detecting system of smooth walking car, its is applied to a smooth walking car, and this smooth walking car contains a frame and two wheels of connecting this frame, its characterized in that, this detecting system contains:

the detection unit comprises an accelerometer, an angle detector and a rotating speed detector, wherein the accelerometer, the angle detector and the rotating speed detector are arranged on the frame, the accelerometer detects the acceleration of the scooter to obtain a set of acceleration signals, the angle detector detects the deflection angle of the frame to obtain a set of deflection angle signals, and the rotating speed detector detects the rotating speed of one of the wheels to obtain a set of rotating speed signals;

a processing unit electrically connected with the detection unit and used for obtaining the set of acceleration signals, the set of deflection angle signals and the set of rotating speed signals;

and the storage device is electrically connected with the processing unit and stores the set of acceleration signals, the set of deflection angle signals and the set of rotating speed signals.

2. The system of claim 1, wherein the processing unit further calculates a maximum acceleration value and an average acceleration value from the set of acceleration signals.

3. The system of claim 2, further comprising a bluetooth device electrically connected to the processing unit and transmitting the maximum acceleration value and the average acceleration value to an outside of the walker.

4. The system of claim 3, wherein the Bluetooth device further transmits the set of rotational speed signals to an exterior of the walker.

5. The system of claim 4, wherein the detection system transmits the maximum acceleration value and the average acceleration value to a mobile phone via the Bluetooth device, the mobile phone has a screen, and the mobile phone displays the maximum acceleration value and the average acceleration value via the screen.

6. The system of claim 1, wherein the accelerometer is an accelerometer.

7. The system of claim 1, wherein the angle detector is a gyroscope.

8. The system of claim 1, wherein the rotation speed detector is a hall sensor.

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