CN204233609U - A kind of adjustable type Channel-bio-electricity treats instrument - Google Patents
A kind of adjustable type Channel-bio-electricity treats instrument Download PDFInfo
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- CN204233609U CN204233609U CN201420706100.1U CN201420706100U CN204233609U CN 204233609 U CN204233609 U CN 204233609U CN 201420706100 U CN201420706100 U CN 201420706100U CN 204233609 U CN204233609 U CN 204233609U
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- power amplification
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Abstract
This utility model discloses a kind of adjustable type Channel-bio-electricity and treats instrument, comprise signal generating circuit, power amplification circuit, boost module, display module and power module, signal generating circuit comprises the wien bridge oscillator, the hysteresis comparator sum-product intergrator that are linked in sequence, also comprise waveform selection switch, frequency adjustment knob and amplitude adjusting knob, one of output signal of wien bridge oscillator, hysteresis comparator sum-product intergrator is sent into power amplification circuit by waveform selection switch; Frequency adjustment knob connects the adjustable resistance in wien bridge oscillator, and amplitude adjusting knob connects the adjustable resistance in hysteresis comparator; Signal is carried out power amplification by power amplification circuit, then sends into after boost module boosts and exports; Display module is used for display translation frequency and output amplitude; Described power module is used for providing power supply.This kind of electric therapeutic instrument can carry out adjustment to the frequency exported and amplitude and display in real time, effectively avoids human body to the adaptive problem of natural frequency.
Description
Technical field
This utility model relates to a kind of electronic therapeutic instrument, particularly the electric therapeutic instrument of the electric pulse stimulation nerve that a kind of signal is adjustable.
Background technology
Along with the fast development of electronic technology, low-frequency current stimulates precision to improve rapidly, and its clinical treatment field also obtains greater advance.Many scholars apply nucleus electrical stimulating therapy and treat some Parkinsonism, insane disease and the unmanageable intractable pain of medication, all obtain obvious curative effects, obtain medical circle and pay much attention to.
But existing and in the past therapeutic instrument mostly is pulse, direct current, high frequency waves, slight fever etc., the focus major part solved just is alleviated or takes stopgap measures, the particularly therapeutic instrument of import, section as Japan cures and the beautiful healthtron for representative is entered in Henan, it is a kind of electromagnetic field therapy not directly acting on human body, its principle is high voltage (reaching thousands of volt), low current mainly, electric current cannot be reached focus deep.With the electrical acupuncture method therapeutic instrument that Japanese Ou Ji skill company produces, its major function is the acupuncture of simulation China traditional Chinese medical science, the principle of cup, is a kind of therapy acting on body surface.Intermediate frequency on the market, low frequency, pulse, DC treatment instrument all belong to low electric energy, unidirectional electric current, are thus difficult to control root in treatment.
In sum, the defect of common electric therapeutic instrument is: frequency, the curative effect of direction and intensity to disease treatment of electric current are bad, and the frequency of electric current, direction, waveform and intensity all can not regulate and change, and have much room for improvement.
Utility model content
The purpose of this utility model, is to provide a kind of adjustable type Channel-bio-electricity to treat instrument, and it can carry out adjustment to the frequency exported and amplitude and display in real time, effectively avoids human body to the adaptive problem of natural frequency.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of adjustable type Channel-bio-electricity treats instrument, comprise signal generating circuit, power amplification circuit, boost module, display module and power module, wherein, signal generating circuit comprises the wien bridge oscillator be linked in sequence, hysteresis comparator sum-product intergrator, also comprise waveform selection switch, frequency adjustment knob and amplitude adjusting knob, the input of described waveform selection switch connects wien bridge oscillator respectively, the outfan of hysteresis comparator sum-product intergrator, the outfan of waveform selection switch connects the input of power amplification circuit, select wien bridge oscillator, one of output signal of hysteresis comparator sum-product intergrator sends into power amplification circuit, described frequency adjustment knob connects the adjustable resistance in wien bridge oscillator, and amplitude adjusting knob connects the adjustable resistance in hysteresis comparator,
The signal of aforementioned input is carried out power amplification by described power amplification circuit, then sends into boost module, then exports after being boosted by boost module; Described display module is for showing current output frequency and output amplitude; Described power module is used for providing power supply for signal generating circuit, power amplification circuit and display module.
Above-mentioned waveform selection switch adopts SP3T switch, its three not moved end connect the outfan of the outfan of wien bridge oscillator, the outfan sum-product intergrator of hysteresis comparator respectively, and moved end connects the input of power amplification circuit.
Above-mentioned wien bridge oscillator adopts LM324 operational amplifier.
The input of above-mentioned boost module is also in series with cement resistor.
Above-mentioned display module comprises frequency indicating circuit and amplitude indicating circuit, and wherein, the input of frequency indicating circuit connects the input of power amplification circuit, and the input of amplitude indicating circuit connects the outfan of boost module.
Above-mentioned amplitude indicating circuit adopts 8 LED stepping instructions, and output amplitude is higher, then the number that LED is bright is more.
After adopting such scheme, this utility model adopts pure analog circuit to form the adjustable signal generating circuit of signal, low-frequency electric pulse signal is produced again by power amplification circuit and boost module, can not only regulate the frequency exported and amplitude, and can also display frequency and amplitude size in real time, can effectively avoid human body to the adaptive problem of fixed frequency, individual can according to own bodies quality, regulate the curative effect value being applicable to individual, thus this utility model has certain market popularization value.
Accompanying drawing explanation
Fig. 1 is integrated stand composition of the present utility model;
Fig. 2 is the connection diagram of power circuit in this utility model;
Fig. 3 is the connection diagram of signal generating circuit in this utility model;
Fig. 4 is the connection diagram of this utility model medium frequency indicating circuit;
Fig. 5 is the connection diagram of voltage indicating circuit in this utility model.
Detailed description of the invention
Below with reference to accompanying drawing, the technical solution of the utility model is described in detail.
As shown in Figure 1, this utility model provides a kind of adjustable type Channel-bio-electricity to treat instrument, comprises signal generating circuit, power amplification circuit, boost module, display module and power module, introduces respectively below.
As shown in Figure 3, the connecting circuit figure of signal generating circuit in this utility model, comprise the wien bridge oscillator be linked in sequence, hysteresis comparator sum-product intergrator, also comprise waveform selection switch, frequency adjustment knob and amplitude adjusting knob, wherein, coordinate shown in Fig. 1, wien bridge oscillator produces the sine wave of frequency-adjustable, this sine wave forms square wave after hysteresis comparator effect, then this square wave exports triangular wave under the effect of integrator, signal generating module described in the design adopts classical bridge oscillator circuit to produce the sine wave of frequency-adjustable, then sine wave forms square wave after the effect of hysteresis comparator, last square wave forms triangular wave under the effect of integrator, aforementioned every one-level wave form output also can increase first-level buffer device, to improve stability and the load capacity of signal, described waveform selection switch is for selecting output signal, SP3T switch can be adopted, its three not moved end connect the outfan of the outfan of wien bridge oscillator, the outfan sum-product intergrator of hysteresis comparator respectively, and the input of a moved end connection power amplification circuit, by moved end is communicated with from different not moved ends, thus select different output waveforms, realize waveform optional, described frequency adjustment knob connects the adjustable resistance in wien bridge oscillator, is regulated the resistance of adjustable resistance by this frequency adjustment knob, thus changes the frequency sending into power amplification circuit signal waveform, realizes frequency-adjustable, described amplitude adjusting knob connects the adjustable resistance in hysteresis comparator, when waveform selection switch selects square wave or triangular wave, by rotating amplitude adjusting knob, the resistance of adjustable resistance can be regulated, thus change the resistance of access hysteresis comparator, change the amplitude of output signal, realize amplitude adjustable.Wherein, wien bridge oscillator can adopt LM324 operational amplifier.
The signal of aforementioned input is carried out power amplification by described power amplification circuit, then boost module is sent into, described power amplification circuit adopts D class high-frequency digital power amplifier, specifically can adopt the power board of Yamaha YD148 digit chip, such power amplifier has very high work efficiency, and has very little volume.D class power amplifier just as the amplifier under on off state, the amplifier not conducting when not having signal, and do not have energy loss.
It is 14.67:1 that described boost module adopts 220V to turn 15V(transformation ratio) transformator, adopt the mode of negative terminal input boosting, and in order to current-limiting protection, be also in series with cement resistor at input, as shown in Figure 1, its outfan carries out electrotherapy in order to contact human body.
Display module is for showing current output frequency and output amplitude, comprise frequency indicating circuit and amplitude indicating circuit, in the present embodiment, frequency indicating circuit is as Fig. 4, wherein (a)-(e) is interconnected by its exit numbering, common formation frequency indicating circuit, the input of described frequency indicating circuit connects the input of power amplification circuit, adopts 52 mcu programmings to drive charactron to realize frequency measurement; Amplitude indicating circuit is as Fig. 5, and wherein (a)-(c) is interconnected by its exit numbering, common formation amplitude indicating circuit, the input of described amplitude indicating circuit connects the outfan of boost module, concrete employing 8 LED stepping instructions, output amplitude is higher, then the number that LED is bright is more.
Power module is used for providing power supply for system, coordinates shown in Fig. 2, obtains+15V voltage, then obtain+12V voltage through LM7812, be supplied to signal generating circuit and power amplification circuit after first civil power 220V being carried out rectifying and voltage-stabilizing; Aforementioned+12V voltage obtains+5V voltage through LM7805 again, is supplied to frequency indicating circuit and amplitude indicating circuit.
Comprehensively above-mentioned, a kind of adjustable type Channel-bio-electricity of this utility model treats instrument, adopts based on signal generating circuit, design electric pulse nerve stimulator, power amplification circuit and boost module is coordinated to carry out power amplification and boosting to signal again, last output electric pulse stimulus signal; Owing to adopting wien bridge oscillator and hysteresis comparator, the frequency of the waveform that signal generating circuit produces and amplitude are adjustable, make this electric therapeutic instrument more practical; In use also with real-time frequency Presentation Function, avoiding the adaptive problem of human body to natural frequency, and have output short circuit protection measure circuit, is the domestic adjustable type electric therapeutic instrument that collection is safe, practical, be convenient to one.
Above embodiment is only and technological thought of the present utility model is described; protection domain of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within this utility model protection domain.
Claims (6)
1. an adjustable type Channel-bio-electricity treats instrument, it is characterized in that: comprise signal generating circuit, power amplification circuit, boost module, display module and power module, wherein, signal generating circuit comprises the wien bridge oscillator be linked in sequence, hysteresis comparator sum-product intergrator, also comprise waveform selection switch, frequency adjustment knob and amplitude adjusting knob, the input of described waveform selection switch connects wien bridge oscillator respectively, the outfan of hysteresis comparator sum-product intergrator, the outfan of waveform selection switch connects the input of power amplification circuit, select wien bridge oscillator, one of output signal of hysteresis comparator sum-product intergrator sends into power amplification circuit, described frequency adjustment knob connects the adjustable resistance in wien bridge oscillator, and amplitude adjusting knob connects the adjustable resistance in hysteresis comparator,
The signal of aforementioned input is carried out power amplification by described power amplification circuit, then sends into boost module, then exports after being boosted by boost module; Described display module is for showing current output frequency and output amplitude; Described power module is used for providing power supply for signal generating circuit, power amplification circuit and display module.
2. a kind of adjustable type Channel-bio-electricity as claimed in claim 1 treats instrument, it is characterized in that: described waveform selection switch adopts SP3T switch, its three not moved end connect the outfan of the outfan of wien bridge oscillator, the outfan sum-product intergrator of hysteresis comparator respectively, and moved end connects the input of power amplification circuit.
3. a kind of adjustable type Channel-bio-electricity as claimed in claim 1 treats instrument, it is characterized in that: described wien bridge oscillator adopts LM324 operational amplifier.
4. a kind of adjustable type Channel-bio-electricity as claimed in claim 1 treats instrument, it is characterized in that: the input of described boost module is also in series with cement resistor.
5. a kind of adjustable type Channel-bio-electricity as claimed in claim 1 treats instrument, it is characterized in that: described display module comprises frequency indicating circuit and amplitude indicating circuit, wherein, the input of frequency indicating circuit connects the input of power amplification circuit, and the input of amplitude indicating circuit connects the outfan of boost module.
6. a kind of adjustable type Channel-bio-electricity as claimed in claim 5 treats instrument, it is characterized in that: described amplitude indicating circuit adopts 8 LED stepping instructions, and output amplitude is higher, then the number that LED is bright is more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706100.1U CN204233609U (en) | 2014-11-21 | 2014-11-21 | A kind of adjustable type Channel-bio-electricity treats instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706100.1U CN204233609U (en) | 2014-11-21 | 2014-11-21 | A kind of adjustable type Channel-bio-electricity treats instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204233609U true CN204233609U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420706100.1U Expired - Fee Related CN204233609U (en) | 2014-11-21 | 2014-11-21 | A kind of adjustable type Channel-bio-electricity treats instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204233609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075725A (en) * | 2016-06-03 | 2016-11-09 | 王玖玲 | A kind of gynecological difunctional electrotherapeutic apparatus of the traditional Chinese medical science |
| CN111330156A (en) * | 2020-03-12 | 2020-06-26 | 首都医科大学宣武医院 | Constant-current stimulation circuit, electric stimulator and signal output method thereof |
-
2014
- 2014-11-21 CN CN201420706100.1U patent/CN204233609U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075725A (en) * | 2016-06-03 | 2016-11-09 | 王玖玲 | A kind of gynecological difunctional electrotherapeutic apparatus of the traditional Chinese medical science |
| CN111330156A (en) * | 2020-03-12 | 2020-06-26 | 首都医科大学宣武医院 | Constant-current stimulation circuit, electric stimulator and signal output method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20171121 |