CN207085077U - A kind of portable digital music electro-therapeutic apparatus - Google Patents
A kind of portable digital music electro-therapeutic apparatus Download PDFInfo
- Publication number
- CN207085077U CN207085077U CN201720175124.2U CN201720175124U CN207085077U CN 207085077 U CN207085077 U CN 207085077U CN 201720175124 U CN201720175124 U CN 201720175124U CN 207085077 U CN207085077 U CN 207085077U
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- audio
- electro
- transformer
- therapeutic apparatus
- portable digital
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Abstract
The utility model discloses a kind of portable digital music electro-therapeutic apparatus, including power circuit, single-chip microcomputer, music player, audio amplifier circuit and the electrode being electrical connected successively, and the earphone of the audio output of music player is connected to, and it is additionally provided with USB interface between the output end of audio amplifier circuit and single-chip microcomputer；Audio amplifier circuit includes audio-frequency power amplifier, two low pass filters and transformer for being connected to audio-frequency power amplifier two-way output end, both ends of the both ends of each low pass filter respectively with the primary coil of a transformer are connected, and the both ends of the secondary coil of transformer connect a pair of electrodes.The utility model is simple in construction, is easy to carry, is easy to use and safe and reliable.
Description
Technical field
A kind of health care instrument is the utility model is related to, more particularly, to a kind of portable digital music electro-therapeutic apparatus.
Background technology
Music cure instrument is also known as music electrotherapeutic instrument, music physiotherapy equipment etc., is according to the famous musicologist A Erfulei of France
De Tuomatisi theory is made, from Natural medicine concept, with naturopathy that is natural, nontoxic, having no side effect
Come prevention disease, treatment disease.By resonance caused by music and human body, to stimulate the reconstruction of cellular elements, reach cell again
Raw, regulation metabolic function effect, and control energy as basic point, activation, self being cured for wake-up human body itself, make to endure to the fullest extent
The city resident of inferior health puzzlement reaches most healthy condition by the ability of itself, while effectively reduces medicine to body
Side effect, lift the function of human immune system.
However, traditional music electrotherapeutic instrument exist the larger not Portable belt of distorted signals, body cause in-convenience in use the defects of.
Utility model content
The defects of to overcome prior art to exist, the utility model proposes it is a kind of it is simple in construction, safe and reliable just
Take formula digital music electrotherapy instrument.
The utility model adopts the following technical scheme that realization：A kind of portable digital music electro-therapeutic apparatus, including it is electrical successively
Connected power circuit, single-chip microcomputer, music player, audio amplifier circuit and electrode, and it is connected to the sound of music player
The earphone of frequency output end, and it is additionally provided with USB interface between the output end of audio amplifier circuit and single-chip microcomputer；Audio amplifier circuit bag
Audio-frequency power amplifier, two low pass filters and transformer for being connected to audio-frequency power amplifier two-way output end are included,
Both ends of the both ends of each low pass filter respectively with the primary coil of a transformer are connected, and the secondary coil of transformer
Both ends connect a pair of electrodes.
In the number of turn N2 of the secondary coil of transformer：Number of turn N1=16~22 of primary coil:1.
Wherein, the number of turn N2 of the secondary coil of transformer：The number of turn N1=18 of primary coil:1.
Wherein, low pass filter is second order butterworth filter.
Wherein, power circuit includes lithium battery, connects the charging circuit and voltage conversion circuit of lithium battery.
Wherein, charging circuit includes charging management chip, and the cell voltage that lithium battery is connected to the charging management chip is defeated
Enter between end and sensing end, the working power input of the charging management chip passes through filter capacitor C1 and external power source VCC phases
Even, and resistance R1, resistance R2 and crystal are serially connected between the charge control output end of charging management chip and external power source VCC
Pipe Q1, and transistor Q1 colelctor electrode connection cell voltage input.
Compared with prior art, the utility model has the advantages that：
The utility model proposes music electrotherapeutic instrument, it is simple in construction and be easy to carry, can both ensure that user is led to acoustically
The music that earphone enjoys high-quality is crossed, audio signal corresponding to music can also be allowed to be added in after power amplification and boosting processing
Had diathermy on electrode and the audio signal waveform after music file or output amplification can also be changed by USB interface, to use
The more intuitive visual experience in family, allows user to trust and has diathermy, easy to use and safe and reliable.
Brief description of the drawings
Fig. 1 be the utility model proposes electro-therapeutic apparatus structural representation；
Fig. 2 is the partial circuit schematic diagram of Fig. 1 sound intermediate frequency amplifying circuits；
Fig. 3 is the schematic diagram of charging circuit；
Fig. 4 is the schematic diagram of voltage conversion circuit.
Embodiment
As shown in figure 1, the utility model proposes a kind of portable digital music electro-therapeutic apparatus, including the electricity being electrical connected successively
Source circuit 1, single-chip microcomputer 2, music player 3, audio amplifier circuit 5 and electrode 6, and the audio of connection music player 3 are defeated
Go out the earphone 4 at end, and USB interface 7 is additionally provided between the output end of audio amplifier circuit 5 and single-chip microcomputer 2, can be by power amplification
The voltage waveform of audio signal afterwards is transferred to external equipment (such as display screen) by USB interface 7.
Music file is passed to the memory that single-chip microcomputer 2 carries from USB interface 7, then by music player 3 to music file
Play out processing, the left channel audio signal (L) and right channel audio signal of the audio output output of music player 3
(R), this two-way audio signal is sent to earphone 4 and audio amplifier circuit 5 simultaneously, is entered audio signal by audio amplifier circuit 5
Electrode 6 is sent to after row power amplification and boosting processing.User can appreciate music by earphone 4, while receive the sound of electrode 6
Stimulation of the happy electric current to human body.
With reference to shown in Fig. 2.The way of realization of music player 3 is unlimited, for example is using existing MP3 player module
Can.Audio amplifier circuit 5 includes audio-frequency power amplifier 51, and two are connected to the two-way output end of audio-frequency power amplifier 51
Low pass filter 52, be respectively equipped with transformer T1 and transformer T2 between each low pass filter 52 and a pair of electrodes 6.Than
Such as, the model that D-type audio power amplifier 51 is produced using TI companies is TPA3005D2 third generation two-channel D class audio frequency work(
Rate amplifier, peak power reach 6W/ roads, and efficiency can be to more than 90%, and total harmonic distortion is 0.06%@1KHz, minimum load 8
Ω.Due to solving heat dissipation problem in encapsulation, thus without using fin.The two-channel sound exported by music player 3
Input signal of the frequency signal as audio-frequency power amplifier 51, it is defeated after carrying out power amplification processing by audio-frequency power amplifier 51
Go out to low pass filter 52, then electrode 6 is sent to by transformer T1 and transformer T2 respectively.
Wherein, low pass filter 52 is using second order butterworth filter (i.e. Butterworth low pass filters), the filter
Ripple device employs two inductance and three capacitors export as typical bridge-tied load.The wave filter main devices are electricity
Sense, is consistent output current when voltage exchanges, power consumption during which reduce low-power output state or without input signal.
The both ends of low pass filter 52 are connected with the both ends of transformer T1 or T2 primary coil, and transformer T1 or T2
The both ends of secondary coil are connected with a pair of electrodes 6 respectively.The audio signal after power amplification is risen by transformer T1 or T2
Pressure processing, human body is acted on by transformer T1 or T2 secondary coil by voltage after boosting by electrode 6.In addition, human body is as electricity
The load of instrument is treated, substantially at several kilohms, audio-frequency power amplifier best match impedance is generally the Ω of 8 Ω~16 for its impedance,
Consider also to need just make power output maximum and distortion minimum by impedance matching on the basis of boosting, therefore in transformer T1 or T2
In, the number of turn N2 of secondary coil：Number of turn N1=16~22 of primary coil:1.Preferably, in transformer T1 or T2, secondary line
The number of turn N2 of circle：The number of turn N1=18 of primary coil:1.
Power circuit 1 includes lithium battery, connects the charging circuit and voltage conversion circuit of lithium battery.External power source is by filling
Circuit provides electric energy for lithium battery, and lithium battery output voltage is converted into+5V's and+12V on demand by voltage conversion circuit
DC voltage.
With reference to shown in Fig. 3, charging circuit includes charging management chip U2, and lithium battery is connected to charging management chip U2's
Between cell voltage input (BAT ports) and sensing end (TS), charging management chip U2 working power input be (U1's
VCC ports) it is connected by filter capacitor C1 with external power source VCC, charging management chip U2 charge control output end (CC ends
Mouthful) resistance R1, resistance R2 and transistor Q1, and transistor Q1 colelctor electrode connection BAT are serially connected between external power source VCC
Port.Electric managing chip U2 uses the BQ2057W chips that American TI Company produces, and it can enter to binodal lithium battery group (+8.4V)
Row charging.BQ2057 series is a advanced lithium cell charging managing chip, and BQ2057 family chips are adapted to single-unit (+4.1V
Or+4.2V) or binodal (+8.2V or+8.4V) lithium ion (the charging needs of Li-Ion and lighium polymer (Li-Pol) battery, profit
The charger peripheral circuit very simple designed with the chip, it is especially suitable for the compact design needs of portable type electronic product.
The circuit diagram that 2 section lithium battery voltages are converted into 12V DC power supply is shown with reference to Fig. 4.Its mainly by
Booster type dc-dc converter U1 (such as model LT3479 chips) with soft start and surge current protection function is come what is realized.
To sum up, the utility model proposes music electrotherapeutic instrument, it is simple in construction and be easy to carry, can both ensure user in the sense of hearing
The upper music that high-quality is enjoyed by earphone, audio signal corresponding to music can also be allowed after power amplification and boosting processing
The audio signal waveform for having diathermy and can also being changed by USB interface after music file or output amplification on electrode is added in,
Give user more intuitive visual experience, allow user to trust and have diathermy, it is easy to use and safe and reliable.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
- A kind of 1. portable digital music electro-therapeutic apparatus, it is characterised in that including be electrical connected successively power circuit, single-chip microcomputer, Music player, audio amplifier circuit and electrode, and the earphone of the audio output of music player is connected to, and audio is put USB interface is additionally provided between the output end and single-chip microcomputer of big circuit；Audio amplifier circuit include audio-frequency power amplifier, two points The low pass filter and transformer of audio-frequency power amplifier two-way output end, the both ends difference of each low pass filter are not connected to It is connected with the both ends of the primary coil of a transformer, and the both ends of the secondary coil of transformer connect a pair of electrodes.
- 2. portable digital music electro-therapeutic apparatus according to claim 1, it is characterised in that the circle of the secondary coil of transformer Number N2：Number of turn N1=16~22 of primary coil:1.
- 3. portable digital music electro-therapeutic apparatus according to claim 2, it is characterised in that the circle of the secondary coil of transformer Number N2：The number of turn N1=18 of primary coil:1.
- 4. portable digital music electro-therapeutic apparatus according to claim 1, it is characterised in that low pass filter is second order Bart Fertile hereby wave filter.
- 5. portable digital music electro-therapeutic apparatus according to claim 1, it is characterised in that power circuit include lithium battery, Connect the charging circuit and voltage conversion circuit of lithium battery.
- 6. portable digital music electro-therapeutic apparatus according to claim 5, it is characterised in that charging circuit includes Charge Management Chip, lithium battery are connected between the cell voltage input of the charging management chip and sensing end, the charging management chip Working power input is connected by filter capacitor C1 with external power source VCC, and the charge control output end of charging management chip Resistance R1, resistance R2 and transistor Q1, and transistor Q1 colelctor electrode connection cell voltage are serially connected between external power source VCC Input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175124.2U CN207085077U (en) | 2017-02-27 | 2017-02-27 | A kind of portable digital music electro-therapeutic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175124.2U CN207085077U (en) | 2017-02-27 | 2017-02-27 | A kind of portable digital music electro-therapeutic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207085077U true CN207085077U (en) | 2018-03-13 |
Family
ID=61549835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175124.2U Expired - Fee Related CN207085077U (en) | 2017-02-27 | 2017-02-27 | A kind of portable digital music electro-therapeutic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207085077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172125A (en) * | 2018-10-09 | 2019-01-11 | 新疆裸眼卫士电子网络科技有限公司 | Miniature therapeutic equipment and miniature treatment system |
| CN109568764A (en) * | 2018-12-24 | 2019-04-05 | 广州普正生物科技有限公司 | A kind of wireless music electrosleep instrument |
-
2017
- 2017-02-27 CN CN201720175124.2U patent/CN207085077U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172125A (en) * | 2018-10-09 | 2019-01-11 | 新疆裸眼卫士电子网络科技有限公司 | Miniature therapeutic equipment and miniature treatment system |
| CN109568764A (en) * | 2018-12-24 | 2019-04-05 | 广州普正生物科技有限公司 | A kind of wireless music electrosleep instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20200227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |