CN112735204A

CN112735204A - Motion teaching system

Info

Publication number: CN112735204A
Application number: CN202110097449.4A
Authority: CN
Inventors: 肖辉亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-04-30

Abstract

The embodiment of the invention discloses a motion teaching system, which comprises: one or more host machines, one or more bone conduction headsets; the number of the hosts is not more than that of the bone conduction earphones; the host and the bone conduction earphone are in direct point radio frequency communication; wherein: the host computer is used for receiving voice information of a coach and sending wireless signals to all or part of the bone conduction earphones according to the voice information; the bone conduction earphone is worn on the head of the student and used for receiving the wireless signal and playing the voice information of the coach to the student through bone conduction according to the wireless signal. According to the technical scheme of the embodiment of the invention, through wireless communication between the bone conduction earphone and the host in scenes such as underwater motion, high-altitude motion or skiing motion, a student can clearly hear various teaching and training instructions sent by a coach, and a better teaching effect is achieved.

Description

Motion teaching system

Technical Field

The embodiment of the invention relates to the field of motion teaching, in particular to a motion teaching system.

Background

When some physical training teaching (such as swimming, underwater ballet, high-altitude gliding, land skiing and the like) is carried out, direct conversation or guidance cannot be carried out between a coach and a student due to the fact that the distance is too far or the limiting factors such as motion scenes and the like, and the coach is usually required to give a loud instruction or carry out guidance communication through equipment such as a wireless earphone. In underwater sports, a student generally needs to plug ears with earplugs, and is difficult to hear contents played in a wireless earphone; high-altitude sports generally have large wind power, and students also carry a large amount of noise while listening to the earphone contents; therefore, the wireless earphone is not good in the special scene.

Disclosure of Invention

The embodiment of the invention provides a motion teaching system, which aims to solve the problem of poor communication effect between a coach and a student in special scenes such as underwater motion, high-altitude motion or skiing motion.

The embodiment of the invention provides a motion teaching system, which comprises: one or more host machines, one or more bone conduction headsets; the number of the hosts is not more than that of the bone conduction earphones; the host and the bone conduction earphone are in direct point radio frequency communication; wherein:

the host computer is used for receiving voice information of a coach and sending wireless signals to all or part of the bone conduction earphones according to the voice information;

the bone conduction earphone is worn on the head of the student and used for receiving the wireless signal and playing the voice information of the coach to the student through bone conduction according to the wireless signal.

Optionally, the system further includes:

the mobile phone terminal is in wireless connection with the one or more bone conduction earphones and is used for sending audio content of the mobile phone terminal to the bone conduction earphones in a Bluetooth communication mode; and the bone conduction earphone receives and plays the audio content.

Optionally, the host and the bone conduction headset are communicated with each other by accessing the same frequency channel.

Optionally, the host communicates with 1-999 bone conduction headsets directly through point radio frequency.

Optionally, the host is further configured to display a distance between the host and each of the bone conduction headsets.

Optionally, the host is further configured to send music content to each bone conduction headset and play the music content.

Optionally, the working mode of the host includes a transmitting mode and a receiving mode; wherein:

when the host is in a transmitting mode, the host sends data to the bone conduction earphone, and the bone conduction earphone cannot send data to the host;

when the host is in a receiving mode, the bone conduction headset uploads data to the host, and the host cannot send data to the bone conduction headset.

Optionally, when the host is in the receiving mode, the bone conduction headset uploads data to the host once every first preset time, and the host receives and displays the data.

Optionally, when the host is in the receiving mode, the host determines whether data of the bone conduction headset is not received after a second preset time, and if so, the host is considered to be disconnected from the bone conduction headset, and requests connection to the bone conduction headset again.

Optionally, the wireless communication device further comprises a communication module connected with the computer and used for receiving the frequency range or frequency channel of the point radio frequency communication customized by the user on the frequency writing interface of the computer.

According to the technical scheme of the embodiment of the invention, through wireless communication between the bone conduction earphone and the host in scenes such as underwater motion, high-altitude motion or skiing motion, a student can clearly hear various teaching and training instructions sent by a coach, and a better teaching effect is achieved.

Drawings

FIG. 1 is a block diagram of a motion teaching system in an embodiment of the present invention;

FIG. 2 is a schematic diagram of internal modules of a host in an embodiment of the invention;

fig. 3 is a schematic diagram of an internal module of a bone conduction headset in an embodiment of the invention;

fig. 4 is a block diagram of a motion teaching system according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein, the terms "first preset time" and "second preset time" are two different preset times.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is a schematic block diagram of a motion teaching system according to an embodiment of the present invention, which is applicable to special scenes such as underwater motion, high-altitude motion, or skiing motion. Referring to fig. 1, the motion teaching system according to the embodiment of the present invention specifically includes: one or more hosts 11, 12 … … 1M (M is a positive integer, M ≧ 1, e.g., 1M can be 19, 110, 111, etc., typically M ≦ 5), one or more

bone conduction headsets

21, 22 … … 2N (N is a positive integer, N ≧ 1, e.g., 2N can be 29, 210, 211, etc.); the number of the hosts is not more than the number of the bone conduction earphones (namely M is not more than N); the host 11, 12 … … 1M and the

bone conduction headset

21, 22 … … 2N communicate directly through point radio frequency; wherein:

and the host machine 11, 12 … … 1M is used for receiving the voice information of the coach and sending a wireless signal to all or part of the bone conduction earphones according to the voice information.

Specifically, the host 11, 12 … … 1M includes four keys, which are: PTT-talk button, [ MODE ] -enter, exit setup MODE/switch transmit, receive MODE, [ UP ] -channel + button/earpiece ID + button, [ DN ] -channel-button/earpiece ID-button.

A specific operation method of the host 11, 12 … … 1M is described below, including:

(1) and (6) powering up. The display screen of the host computer 11, 12 … … 1M will display the last data information such as the headset ID number, heart rate, etc.

(2) And selecting a channel. Pressing for 3 seconds for [ MODE ], entering a channel setting state; setting channel numbers by Using (UP) and (DN), wherein the channel range is 1-22; and long press of (MODE) for 3 seconds, and quitting the channel setting state.

(3) A standby mode. a. Short press [ MODE ] can switch between "allow receive data" and "prohibit receive data" functions; b. on the premise of successful connection, if the host computer is 'allowed to receive data', the earphone icon of the display screen is on, and if the host computer is 'forbidden to receive data', the earphone icon of the display screen is off.

(4) And (4) a normal working mode. a. And (3) key operation: [ MODE ]: the key has two operation modes: short and long press.

Short press (switching of mode of operation): 1) in a sending mode (talkback and Bluetooth), after the key is pressed for a short time, the host computer sends a talk forbidding instruction to the earphone which is successfully connected, and the earphone only receives data but cannot send the data to the host computer. 2) And in a receiving mode (waiting for uploading data), the host computer is in the receiving mode by default after being successfully connected with the earphone, and the host computer is in the receiving mode after confirming the successful connection to receive the data from the earphone.

Long press (3 seconds into set mode): 1) normal mode (ID number set): pressing UP and DN keys is the addition or subtraction of ID number. 2) Setting mode (channel setting): pressing UP and DN keys is the addition or subtraction of channel number. UP' the normal mode is earphone ID +, the mode is set to channel +, and continuous increase (200ms plus 1) can be realized after 2 seconds of long press; DN, the normal mode is earphone ID-, the setting mode is channel-, and the continuous decrement (200ms minus 1) can be realized by pressing for 2 seconds.

[ PTT ]: the talkback key is used for entering a talkback MODE when the host is in a transmitting MODE (MODE key control), and is invalid when the host is in a receiving MODE (MODE key control).

b. Under the normal working condition of the host, if the earphone icon is bright, the host receives the data of the earphone and updates and displays the data. If the earphone icon is off, the host is in a transmitting mode, the data is not updated, the host can enter a talkback mode by pressing PTT, the talkback icon is bright, or the Bluetooth mode is switched to be a Bluetooth mode, and the Bluetooth icon is bright.

c. Under the normal working mode, the earphone icon is bright, the earphone can send data to the host once within 10 seconds, when the host does not receive the data once within 35 seconds, the connection is considered to be failed, and the ID number earphone at the moment is called again. At this time, the connection status is connection, after three calls, if successful, Connected is displayed, otherwise, Connect Fail is displayed, and no call is made, and at this time, the host can call this ID or another ID number again by using UP and DN.

In this embodiment, the trainer holds the host to start the talkback mode to talk, and the host receives the voice information of the trainer, converts the voice signal into an electric signal, and sends a wireless signal to all or part of the bone conduction earphones through point radio frequency communication. Specifically, as shown in fig. 2, the main controller of the host adopts an MCU (micro controller Unit), and the host further includes a bluetooth module, a radio frequency module, an LCD module, a voice module, a power amplifier module, and other circuit structures, and the host may be connected to the mobile phone through the bluetooth module or the PC terminal through the communication interface. Wherein, in order to reduce the consumption, reduce product volume, reduce product cost, the radio frequency module and the bluetooth module of host computer are all integrated on MCU. When a coach holds the host to talk, the built-in MIC or the external MIC of the host acquires the voice information of the coach, the voice information is converted into an electric signal to be transmitted to the MCU, the MCU sends a wireless signal to the corresponding bone conduction earphone through the radio frequency module after receiving the electric signal, and the wireless signal carries the voice information of the coach.

And the

bone conduction earphones

21 and 22 … … 2N are worn on the head of the student and used for receiving the wireless signal and playing the voice information of the coach to the student through bone conduction according to the wireless signal.

Specifically, bone conduction headset includes four buttons, is respectively: [ ON/OFF ] - [ VOL + ] -volume adjustment button, [ VOL- ] -volume adjustment button, [ MODE ] -MODE switching button. The bone conduction earphone has the following functions: 1) 22 channels can be written by a PC; and self-development of writing frequency software and protocol. 2) The ID number function can be set by the frequency writing software. 3) The charging is carried out. 4) The device is provided with a working indicator light and a charging indicator light. 5) And an SOS signal alarm is carried out. 6) The frequency supports 27M-136M. 10) The encryption may be encoded or not. 11) And automatic Chinese and English voice switching function.

The following describes an operation method of the

bone conduction headset

21, 22 … … 2N, including:

(1) and (4) pairing state. Paired with a headset.

(2) Waiting for a call state. And after receiving the call instruction, the earphone sends an ACK instruction and establishes connection with the host.

(3) And (5) normal working state. After the connection is successfully established, the host computer sends the working state of the host computer to the earphone, and if a language forbidden instruction is received, the earphone is in a receiving mode; alternatively, the headset may send data to the host if an speak-enable instruction is received.

In this embodiment, the communication process between the bone conduction headset and the host includes:

(1) establishing a connection state

And (3) establishing a connection process: the host is firstly in a receiving state, a calling instruction is sent by using the ID & lt + & gt and the ID & lt- & gt (continuously sent twice), the receiving mode is returned, after the earphone receives the calling instruction, the calling instruction is immediately compared with the ID number of the earphone, if the calling instruction is the same as the ID number of the earphone, the SQ signal is detected, an ACK instruction is sent to the host (continuously sent twice), and the receiving mode is returned. And if the connection is successful, the host sends a speaking instruction or a speaking forbidding instruction to the earphone according to the connection state of the host.

(2) Data transfer state

When the earphone receives the instruction, the host is in a receiving state, the SQ is detected, the earphone uploads data to the host once every 10 seconds, and the host receives and displays the data. When the earphone receives the instruction of prohibiting speaking, the earphone is in a receiving mode and waits for receiving the voice of the host.

In this embodiment, the bone conduction earphone is worn on the head of the student, and when the trainer uses the host to talk, the bone conduction earphone receives the wireless signal, converts the electrical signal into a voice signal, and plays the voice information of the trainer to the student through bone conduction. Specifically, as shown in fig. 3, the main controller of the bone conduction headset adopts an MCU (micro controller Unit), and the bone conduction headset further includes a radio frequency module, a voice module, a power amplifier module, and other circuit structures inside the main controller, and the bone conduction headset may be connected to the PC terminal through a communication interface. Wherein, in order to reduce the consumption, reduce product volume, reduce product cost, the radio frequency module and the bluetooth module of bone conduction earphone all integrate on MCU. Bone conduction earphone receives the radio signal that the host computer sent through radio frequency module, sends for MCU, and MCU sends the broadcast instruction to voice module according to radio signal, requests the voice information of broadcast train, and voice module receives the broadcast instruction after, broadcasts the voice information of train through the loudspeaker of earphone.

As an alternative embodiment, as shown in fig. 4, the system further includes: a

handset terminal

31, 32 … … 3N wirelessly connected to the one or more

bone conduction headsets

21, 22 … … 2N for transmitting audio content of the

handset terminal

31, 32 … … 3N to the

bone conduction headsets

21, 22 … … 2N through a bluetooth communication manner; the

bone conduction headset

21, 22 … … 2N receives the audio content and plays it. Specifically, the bone conduction headset and the mobile phone are in bluetooth communication (near field communication), so that the student can listen to the audio content played by the mobile phone through the headset.

As an alternative embodiment, the host and the bone conduction headset are communicated by accessing the same frequency channel. The PC end provides a frequency writing software interface for a user to set frequency channels in a self-defined mode, and 22 frequency channels can be written.

As an alternative embodiment, the host communicates with 1-999 bone conduction headsets directly via point radio frequency.

As an optional embodiment, the host is further configured to display a distance between the host and each of the bone conduction headsets.

As an optional embodiment, the host is further configured to send music content to each of the bone conduction earphones and play the music content.

As an alternative embodiment, the operation mode of the host includes a transmission mode and a receiving mode; wherein:

As an optional embodiment, when the host is in the receiving mode, the bone conduction headset uploads data to the host once every first preset time, and the host receives and displays the data. Specifically, the first preset time may be 5 seconds, 10 seconds, and the like, and the specific value may be set by a user or default of a system, which is not limited in this embodiment.

As an optional embodiment, when the host is in the receiving mode, the host determines whether data of the bone conduction headset is not received after a second preset time, and if so, the host is considered to be disconnected from the bone conduction headset, and requests connection to the bone conduction headset again. Specifically, the second preset time may be 35 seconds, 40 seconds, and the like, a numerical value of the second preset time is greater than a numerical value of the first preset time, and the specific numerical value may be set by a user or default by a system, which is not limited in this embodiment.

As an optional embodiment, the wireless communication device further comprises a communication module connected to the computer, and configured to receive a frequency range or a frequency channel of the point radio frequency communication customized by a user on a frequency writing interface of the computer. Specifically, the PC end provides a frequency writing software interface for a user to set frequency channels in a self-defined mode, 22 frequency channels can be written, and the frequency supports 27M-136M. In the embodiment, the plurality of bone conduction earphones can be divided into at least two groups through the frequency writing software provided by the PC terminal, and each group works in a different channel, so that the voices of the two groups of bone conduction earphones cannot interfere with each other.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A motion teaching system, comprising: one or more host machines, one or more bone conduction headsets; the number of the hosts is not more than that of the bone conduction earphones; the host and the bone conduction earphone are in direct point radio frequency communication; wherein:

2. The motion teaching system of claim 1, wherein the system further comprises:

3. The motion teaching system according to claim 1, wherein the host computer communicates with the bone conduction headset via the same frequency channel.

4. An athletic teaching system according to claim 1, wherein the host computer communicates with 1-999 of the bone conduction headphones simultaneously directly via point radio frequency.

5. The motion teaching system of claim 1 wherein the host computer is further configured to display a distance between the host computer and each of the bone conduction headsets.

6. The motion teaching system of claim 1 wherein the host computer is further configured to send music content to each of the bone conduction headsets and play the music content.

7. The motion teaching system of claim 1 wherein the operating modes of the host computer include a transmit mode and a receive mode; wherein:

8. The motion teaching system according to claim 7, wherein when the host is in the receiving mode, the bone conduction headset uploads data to the host once every first preset time, and the host receives and displays the data.

9. The motion teaching system according to claim 8, wherein when the host is in the receiving mode, the host determines whether data of the bone conduction headset is not received after a second preset time, and if so, the host is considered to be disconnected from the bone conduction headset and requests connection to the bone conduction headset again.

10. The system for teaching exercise of claim 1 further comprising a communication module connected to the computer for receiving the frequency range or frequency channel of the point rf communication customized by the user on the computer's audio interface.