CN208302134U - Movement rhythm captures instrument - Google Patents
Movement rhythm captures instrument Download PDFInfo
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- CN208302134U CN208302134U CN201820858197.6U CN201820858197U CN208302134U CN 208302134 U CN208302134 U CN 208302134U CN 201820858197 U CN201820858197 U CN 201820858197U CN 208302134 U CN208302134 U CN 208302134U
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- rhythm
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- voltage comparator
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Abstract
The utility model discloses a kind of movement rhythms to capture instrument, circuit is obtained including power supply and rhythm, it includes pressure sensor, voltage comparator, resistor, adjustable resistance and single-chip microcontroller that rhythm, which obtains circuit, the cathode of the positive input terminal of voltage comparator, resistor is electrically connected in the minus earth of pressure sensor, anode；The positive input terminal of the anode of power supply, adjustable resistance is electrically connected in the anode of resistor；The negative input end of adjustable resistance is grounded, and sliding end is electrically connected the negative input end of voltage comparator；First output end of voltage comparator is electrically connected to single-chip microcontroller, the GND pin ground connection of voltage comparator, and the VCC pin of voltage comparator is electrically connected the anode of power supply.Movement rhythm capture instrument structure is simple, can obtain rhythm when user movement in real time.
Description
Technical field
The utility model relates to electronic technology fields, and in particular to a kind of movement rhythm capture instrument.
Background technique
Nowadays, the exercise habit for having become most people is moved when listening to music, wherein playing during the motion can be with
The music that rhythm when user movement matches is uninteresting sense when very necessary, suitable music can effectively reduce movement,
Enthusiasm when movement is improved, in order to realize that played music can be matched with rhythm when user movement, it is therefore desirable to real
When obtain user movement when rhythm.
Summary of the invention
The purpose of this utility model is to provide a kind of movement rhythms to capture instrument, and movement rhythm capture instrument structure is simple,
Rhythm when user movement can be obtained in real time.
Its technical solution is as follows:
Movement rhythm captures instrument, including power supply and rhythm obtain circuit, the rhythm obtain circuit include pressure sensor,
Voltage comparator, resistor, adjustable resistance and single-chip microcontroller, the minus earth of the pressure sensor, anode are electrically connected
The cathode of the positive input terminal of the voltage comparator, resistor；The power supply is electrically connected in the anode of the resistor
The positive input terminal of anode, adjustable resistance；The negative input end of the adjustable resistance is grounded, and sliding end is electrically connected the voltage and compares
The negative input end of device；First output end of the voltage comparator is electrically connected to the single-chip microcontroller, the voltage comparator
GND pin ground connection, the VCC pin of the voltage comparator are electrically connected the anode of the power supply.
It further includes first capacitor and the second capacitor, the minus earth of the first capacitor, anode that the rhythm, which obtains circuit,
The positive input terminal of the anode of the pressure sensor, the cathode of resistor, voltage comparator is electrically connected；Second electricity
The VCC pin of positive, the described voltage comparator of the power supply is electrically connected in the minus earth of appearance, anode.
It further includes shell that aforementioned movement rhythm, which captures instrument, and the power supply and the rhythm obtain circuit and is set to the shell
Interior, the shell is in note shape.
Telecommunication circuit is additionally provided in the shell, the telecommunication circuit and the single-chip microcontroller are electrically connected.
The telecommunication circuit includes bluetooth module, and the bluetooth module and the single-chip microcontroller are electrically connected.
The shell of note shape have the first arc sections, the second arc sections and interconnecting piece, the one of first arc sections
End connects one end of second arc sections, the other end of first arc sections or second circular arc by the interconnecting piece
The power supply is equipped in the other end in portion, rhythm obtains circuit and telecommunication circuit；Through-hole is offered on the interconnecting piece.
It should be understood that
Aforementioned " first, second " does not represent specific quantity and sequence, is only used for the differentiation to title.
The advantages of below to the utility model or principle are illustrated:
1, the voltage of pressure sensor measurement output is input to voltage comparator by positive input terminal, while resistor is by pressure
Sensor output voltage clamping to power supply anode, and positive pole output voltage be adjusted by adjustable resistance it is rear defeated
The negative input end of the voltage comparator entered, the reference signal as comparison voltage；Before user moves, pressure sensing
Device is not pressurized, and the voltage value of voltage comparator positive input terminal is less than the voltage value of negative input end, and the first output end exports low level
Signal is simultaneously linked into single-chip microcontroller and is analyzed and handled；When user moves, pressure sensor is pressurized, and voltage compares at this time
The voltage value of device positive input terminal is greater than the voltage value of negative input end, and the first output end output high level signal is simultaneously linked into single-chip microcontroller
In analyzed and handled；Specifically, in the process of movement, the tissue of pressure sensor is constantly occurring variation to user, makes
The first output end constantly to single-chip microcontroller incoming level signal, single-chip microcontroller is to wavelength in the level signal received and each
Time interval between a wave crest is analyzed and is handled, to obtain the movement number such as speed when user moves, cadence
According to；
Movement rhythm capture instrument structure is simple, and rhythm when by user movement detects, by the telecommunications of simulation
Number it is converted into discrete digital signal, abstract movement rhythm is finally converted into specific exercise data, has reached and has obtained in real time
Take the purpose of family movement rhythm.
2, in use, the voltage that first capacitor can export pressure sensor is filtered, make to be input to voltage comparator
The voltage of positive input terminal is more stable, convenient for being compared with the voltage value of negative input end, and the second capacitor be used for power supply into
Row filtering, keeps the voltage being added on voltage comparator more stable.
3, power supply and rhythm circuit is obtained to be set in shell, with prevent power supply and rhythm obtain circuit be exposed to it is extraneous and
It influences to work normally, while making the movement rhythm capture instrument at note shape shelling machine and having more artistic feeling.
4, telecommunication circuit is equipped in shell, when pressure sensor is pressurized, the voltage value of voltage comparator positive input terminal is big
In the voltage value of negative input end, the first output end exports high level signal and is linked into single-chip microcontroller and analyzed and handled, together
When using the high level signal as the interrupt source of single-chip microcontroller, single-chip microcontroller control telecommunication circuit sends exercise data to correlation when interruption
Equipment is applied.
5, exercise data specifically, is sent by way of bluetooth to be applied to relevant device, mode is simple and reliable, just
In implementation.
6, it offers through-hole on interconnecting piece to carry out being to hang by movement rhythm capture instrument convenient for user, and by the movement rhythm
The internal circuit configuration for capturing instrument, which concentrates at one, to be installed, and entire center of gravity is arranged far to one end of through-hole, is conducive to
The movement rhythm captures instrument and preferably hits during use, thus when being conducive to pressure sensor to user movement
Rhythm detected.
Detailed description of the invention
Fig. 1 is the circuit diagram that the utility model embodiment rhythm obtains circuit；
Fig. 2 is the use schematic diagram that the utility model implements that movement rhythm captures instrument；
Description of symbols:
1, rhythm obtains circuit, 11, pressure sensor, 12, resistor, 13, first capacitor, 14, adjustable resistance, 15, electricity
Pressure comparator, 16, single-chip microcontroller, the 17, second capacitor, 2, shell, the 21, first arc sections, the 22, second arc sections, 23, interconnecting piece,
24, through-hole, 3, bandage.
Specific embodiment
The embodiments of the present invention are described in detail below.
As shown in Figure 1, it includes that power supply and rhythm obtain circuit 1 that the movement rhythm, which captures instrument, the rhythm obtains circuit 1 and wraps
Pressure sensor 11, voltage comparator 15, resistor 12, adjustable resistance 14 and single-chip microcontroller 16 are included, the pressure sensor 11
The cathode of the positive input terminal of the voltage comparator 15, resistor 12 is electrically connected in minus earth, anode；The resistance
The positive input terminal of the positive VCC of the power supply, adjustable resistance 14 is electrically connected in the anode of device 12；The adjustable resistance 14
Negative input end ground connection, sliding end are electrically connected the negative input end of the voltage comparator 15；The first of the voltage comparator 15
Output end is electrically connected to the single-chip microcontroller 16, and the GND pin of the voltage comparator 15 is grounded, the voltage comparator 15
VCC pin is electrically connected the positive VCC of the power supply；
It further includes first capacitor 13 and the second capacitor 17 that the rhythm, which obtains circuit 1, and the cathode of the first capacitor 13 connects
The positive input of the anode of the pressure sensor 11, the cathode of resistor 12, voltage comparator 15 is electrically connected in ground, anode
End；The positive VCC of the power supply, the voltage comparator is electrically connected in the minus earth of second capacitor 17, anode
15 VCC pin.
As indicated with 2, it further includes shell 2 which, which captures instrument, and the power supply and the rhythm obtain circuit 1 and is set to institute
It states in shell 2, the shell 2 is in note shape；Telecommunication circuit, the telecommunication circuit and the monolithic are additionally provided in the shell 2
Machine 16 is electrically connected, and specifically, the telecommunication circuit includes bluetooth module (not illustrating in figure), the bluetooth module with it is described
Single-chip microcontroller 16 is electrically connected；
The shell 2 of note shape has the first arc sections 21, the second arc sections 22 and interconnecting piece 23, first circular arc
The one end in portion 21 connects one end of second arc sections 22, the other end of first arc sections 21 by the interconnecting piece 23
Or the power supply, rhythm acquisition circuit 1 and telecommunication circuit are equipped in the other end of second arc sections 22；The interconnecting piece 23
On offer through-hole 24.
In the present embodiment, the pressure sensor 11 is diaphragm pressure sensor, the model of the voltage comparator 15
For LM393, the specification of the adjustable resistance 14 is 10K ohm, the pull-up resistor that the resistor 12 is 1K ohm, and monolithic
The model of machine 16 can be AT89C51, be also possible to STC89C52RC, naturally it is also possible to using the single-chip microcontroller of other models, only
It is able to satisfy requirement, this is not limited specifically.
The present embodiment has the advantage that
It 1, is such as the shoes for hanging over user in use, being hung over movement rhythm capture instrument system with user by bandage 3
On；The voltage of the measurement output of pressure sensor 11 is input to voltage comparator 15 by positive input terminal, while resistor 12 is by pressure
Sensor 11 export voltage clamping to power supply positive VCC, and positive pole VCC output voltage by adjustable resistance 14 into
The negative input end for the voltage comparator 15 that row is input to after adjusting, the reference signal as comparison voltage；It is moved in user
Before, pressure sensor 11 is not pressurized, and the voltage value of 15 positive input terminal of voltage comparator is less than the voltage value of negative input end, the
One output end exports low level signal and is linked into single-chip microcontroller 16 and analyzed and handled；When user moves, the fortune
Dynamic rhythm captures instrument and hits, and pressure sensor 11 is pressurized, and the voltage value of 15 positive input terminal of voltage comparator is greater than negative at this time
The voltage value of input terminal, the first output end export high level signal and are linked into single-chip microcontroller 16 and analyzed and handled；Specifically
Ground, in the process of movement, the tissue of pressure sensor 11 is constantly occurring variation to user so that the first output end constantly to
16 incoming level signal of single-chip microcontroller, single-chip microcontroller 16 is to the spacing between the wavelength and each wave crest in the level signal received
Time is analyzed and is handled, to obtain the exercise datas such as speed when user moves, cadence；
Movement rhythm capture instrument structure is simple, and rhythm when by user movement detects, by the telecommunications of simulation
Number it is converted into discrete digital signal, abstract movement rhythm is finally converted into specific exercise data, has reached and has obtained in real time
Take the purpose of family movement rhythm.
2, in use, the voltage that first capacitor 13 can export pressure sensor 11 is filtered, make to be input to voltage ratio
Voltage compared with 15 positive input terminal of device is more stable, and convenient for being compared with the voltage value of negative input end, and the second capacitor 17 is used for
Power supply is filtered, keeps the voltage being added on voltage comparator 15 more stable.
3, power supply and rhythm circuit 1 is obtained to be set in shell 2, it is outer to prevent power supply and rhythm acquisition circuit 1 to be exposed to
Boundary and influence to work normally, while by shell 2 be designed to note shape make the movement rhythm capture instrument have more artistic feeling.
4, telecommunication circuit is equipped in shell 2, when pressure sensor 11 is pressurized, the voltage of 15 positive input terminal of voltage comparator
Value is greater than the voltage value of negative input end, and the first output end exports high level signal and is linked into single-chip microcontroller 16 and analyzed and located
Reason, while regarding the high level signal as the interrupt source of single-chip microcontroller 16, single-chip microcontroller 16, which controls telecommunication circuit and sends, when interruption moves
Data are applied to relevant device.
5, exercise data specifically, is sent by way of bluetooth to be applied to relevant device, mode is simple and reliable, just
In implementation.
6, through-hole 24 is offered on interconnecting piece 23 to be convenient for that movement rhythm capture instrument system is hung over user's body using bandage 3
On, and the internal circuit configuration that the movement rhythm captures instrument is concentrated at one and is installed, entire center of gravity is arranged far from
One end of through-hole 24 is conducive to movement rhythm capture instrument and preferably hits during use, to be conducive to press
Rhythm when force snesor 11 is to user movement detects.
The above are only specific embodiments of the present invention, does not limit the protection scope of the utility model with this；Not
It violates made any replacement on the basis of the utility model is conceived and improves, the category protection scope of the utility model.
Claims (6)
1. movement rhythm captures instrument, which is characterized in that obtain circuit including power supply and rhythm, it includes pressure that the rhythm, which obtains circuit,
Force snesor, voltage comparator, resistor, adjustable resistance and single-chip microcontroller, the minus earth of the pressure sensor, anode difference
It is electrically connected the positive input terminal of the voltage comparator, the cathode of resistor；Institute is electrically connected in the anode of the resistor
State the anode of power supply, the positive input terminal of adjustable resistance；The negative input end of the adjustable resistance is grounded, described in sliding end electric connection
The negative input end of voltage comparator；First output end of the voltage comparator is electrically connected to the single-chip microcontroller, the voltage
The GND pin of comparator is grounded, and the VCC pin of the voltage comparator is electrically connected the anode of the power supply.
2. movement rhythm as described in claim 1 captures instrument, which is characterized in that it further includes first capacitor that the rhythm, which obtains circuit,
With the second capacitor, the minus earth of the first capacitor, the anode of the pressure sensor, resistor is electrically connected in anode
Cathode, voltage comparator positive input terminal；The power supply is electrically connected in the minus earth of second capacitor, anode
The VCC pin of positive, the described voltage comparator.
3. movement rhythm as claimed in claim 1 or 2 captures instrument, which is characterized in that it further include shell, the power supply and the section
It plays and obtains circuit in the shell, the shell is in note shape.
4. movement rhythm as claimed in claim 3 captures instrument, which is characterized in that telecommunication circuit is additionally provided in the shell, it is described
Telecommunication circuit and the single-chip microcontroller are electrically connected.
5. movement rhythm as claimed in claim 4 captures instrument, which is characterized in that the telecommunication circuit includes bluetooth module, described
Bluetooth module and the single-chip microcontroller are electrically connected.
6. movement rhythm captures instrument as described in claim 4 or 5, which is characterized in that the shell of note shape has the first circle
One end of arc portion, the second arc sections and interconnecting piece, first arc sections connects second arc sections by the interconnecting piece
One end, be equipped with the power supply in the other end of the other end of first arc sections or second arc sections, rhythm obtains
Circuit and telecommunication circuit；Through-hole is offered on the interconnecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858197.6U CN208302134U (en) | 2018-06-04 | 2018-06-04 | Movement rhythm captures instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858197.6U CN208302134U (en) | 2018-06-04 | 2018-06-04 | Movement rhythm captures instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208302134U true CN208302134U (en) | 2019-01-01 |
Family
ID=64710124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820858197.6U Active CN208302134U (en) | 2018-06-04 | 2018-06-04 | Movement rhythm captures instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208302134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113892921A (en) * | 2020-07-06 | 2022-01-07 | 黄庭怀 | Human body posture monitoring method and device |
-
2018
- 2018-06-04 CN CN201820858197.6U patent/CN208302134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113892921A (en) * | 2020-07-06 | 2022-01-07 | 黄庭怀 | Human body posture monitoring method and device |
| CN113892921B (en) * | 2020-07-06 | 2024-05-14 | 黄庭怀 | Human body posture monitoring method and device |
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