CN203989473U - Electric therapeutic instrument - Google Patents
Electric therapeutic instrument Download PDFInfo
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- CN203989473U CN203989473U CN201420192290.XU CN201420192290U CN203989473U CN 203989473 U CN203989473 U CN 203989473U CN 201420192290 U CN201420192290 U CN 201420192290U CN 203989473 U CN203989473 U CN 203989473U
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- transistor
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Abstract
The utility model proposes a kind of electric therapeutic instrument, comprise that power supply, the first voltage generation circuit and second voltage produce circuit, the input that the first voltage generation circuit and second voltage produce circuit is connected to power supply, the outfan of the first voltage generation circuit is connected to the first emission electrode by the first DC filter, and the outfan that second voltage produces circuit is connected to the second emission electrode by the second DC filter.Electric therapeutic instrument of the present utility model, effectively stimulates affected part nerve by voltage, and operating process is simple and convenient, for handicapped patient provides convenience.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of electric therapeutic instrument.
Background technology
A lot of patient with bone fracture, during healing the wounds, there will be amyotrophic complication because muscle cannot obtain taking exercise, and even occur nerve numb, neural downright bad situation when serious.
Existing Therapeutic Method mainly stimulates muscle by massage and acupuncture, prevent neural necrosis, but massage and acupuncture needs special doctor, very difficult for sickbed patients.
Therefore, how providing a kind of instrument that nervus motorius is stimulated, prevent neural necrosis, is current problem demanding prompt solution.
Utility model content
The utility model proposes a kind of electric therapeutic instrument, solved the problem that needs massage and acupuncture to stimulate injury muscle in prior art.
The technical solution of the utility model is achieved in that
A kind of electric therapeutic instrument, comprise: power supply, the first voltage generation circuit and second voltage produce circuit, the input that the first voltage generation circuit and second voltage produce circuit is connected to power supply, the outfan of the first voltage generation circuit is connected to the first emission electrode by the first DC filter, and the outfan that second voltage produces circuit is connected to the second emission electrode by the second DC filter;
Described the first emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described the first DC filter by wire;
Described the second emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described the second DC filter by wire;
The voltage of described power supply is 10-20V;
Described the first voltage generation circuit comprises:
The first transformator, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described power supply, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends;
The first switching tube, its source electrode is connected to first transformer primary side winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
The first switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to power supply, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
First frequency circuit for generating, comprises the first phaselocked loop, and it is connected to crystal oscillator; The first low pass filter, is connected to the outfan of the first phaselocked loop; The first voltage controlled oscillator, is connected to the first low pass filter outfan, and its outfan is leaded up to M doubler and fed back to the first phaselocked loop, and another road exports the first amplifier to, and the outfan of the first amplifier is connected to the control end of described the first switch driver;
The first diode, its anodic bonding is to the first transformator secondary winding first end, and its negative electrode is connected to the first DC filter;
The first DC filter, comprise the first inducer and the first capacitor, one end of the first inducer is connected to the negative electrode of the first diode, and the common port of the first inducer and the first capacitor is connected to the first emission electrode, and the other end of the first capacitor is connected to secondary earth potential;
Described second voltage produces circuit and comprises:
The second transformator, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described power supply, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends;
Second switch pipe, its source electrode is connected to second transformer primary side winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to second switch driver;
Second switch driver, comprise the 3rd transistor and the 4th transistor, the 3rd transistor is NPN transistor, the 4th transistor is PNP transistor, the 3rd transistor and the 4th transistorized base stage link together as control end, the 3rd transistor and the 4th transistorized emitter stage link together as outfan, and the 3rd transistorized colelctor electrode is connected to power supply, and the 4th transistorized colelctor electrode is connected to former limit earth potential;
Second frequency circuit for generating, comprises the second phaselocked loop, and it is connected to crystal oscillator; The second low pass filter, is connected to the outfan of the second phaselocked loop; The second voltage controlled oscillator, is connected to the second low pass filter outfan, and its outfan is leaded up to N doubler and fed back to the second phaselocked loop, and another road exports the second amplifier to, and the outfan of the second amplifier is connected to the control end of described second switch driver;
The second diode, its anodic bonding is to the second transformator secondary winding first end, and its negative electrode is connected to the second DC filter;
The second DC filter, comprise the second inducer and the second capacitor, one end of the second inducer is connected to the negative electrode of the second diode, and the common port of the second inducer and the second capacitor is connected to the second emission electrode, and the other end of the second capacitor is connected to secondary earth potential.
Alternatively, described the first switching tube and second switch pipe are mosfet transistor.
Alternatively, described crystal oscillator frequency of oscillation is 100MHz.
Alternatively, described M doubler is 2 doubler, and described N doubler is 6 doubler.
The beneficial effects of the utility model are:
By voltage, affected part nerve is effectively stimulated, operating process is simple and convenient, for handicapped patient provides convenience.
Brief description of the drawings
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit diagram of a kind of electric therapeutic instrument of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Figure 1, a kind of electric therapeutic instrument of the present utility model, comprise: power supply 1, the first voltage generation circuit 10 and second voltage produce circuit 20, the voltage of described power supply is 10-20V, the input that the first voltage generation circuit and second voltage produce circuit is connected to power supply 1, the outfan of the first voltage generation circuit is connected to the first emission electrode 80 by the first DC filter 17, and the outfan that second voltage produces circuit is connected to the second emission electrode 90 by the second DC filter 27.
Described the first emission electrode 80 is graphite plate, and its radius is 1-2 centimetre, is connected to described the first DC filter 17 by wire; Described the second emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described the second DC filter 27 by wire.Graphite has high conductivity and high-termal conductivity, by band or sucker, two graphite plate emission electrodes are fixed on to the affected part that human body needs electrotherapy, by the first voltage generation circuit 10 and second voltage produce circuit 20 apply human body tolerance range to the first emission electrode 80 and the second emission electrode 90 within and harmless DC voltage, the spacing of two emission electrodes is controlled in 30 centimetres, by DC voltage, nerve is stimulated, keep neural sensitivity.
Described the first voltage generation circuit 10 comprises: the first transformator 11, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described power supply 1, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends; The first switching tube 12, its source electrode is connected to the first former limit of transformator 11 winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver 13; The first switch driver 13, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to power supply 1, and the colelctor electrode of transistor seconds is connected to former limit earth potential; First frequency circuit for generating 30, comprises the first phaselocked loop 31, and it is connected to crystal oscillator 100; The first low pass filter 32, is connected to the outfan of the first phaselocked loop 31; The first voltage controlled oscillator 33, be connected to the first low pass filter 32 outfans, its outfan is leaded up to M doubler 34 and is fed back to the first phaselocked loop 31, another road exports the outfan output first frequency signal f1 of the first amplifier 35, the first amplifiers 35 to and is connected to the control end of described the first switch driver 13; The first diode 14, its anodic bonding is to the first transformator 11 secondary winding first ends, and its negative electrode is connected to the first DC filter 17; The first DC filter 17, comprise the first inducer 15 and the first capacitor 16, one end of the first inducer 15 is connected to the negative electrode of the first diode 14, the other end that the common port of the first inducer 15 and the first capacitor 16 is connected to the first emission electrode 80, the first capacitors 16 is connected to secondary earth potential.
Described second voltage produces circuit 20 and comprises: the second transformator 21, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described power supply 1, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends; Second switch pipe 22, its source electrode is connected to second transformer primary side winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to second switch driver 23; Second switch driver 23, comprise the 3rd transistor and the 4th transistor, the 3rd transistor is NPN transistor, the 4th transistor is PNP transistor, the 3rd transistor and the 4th transistorized base stage link together as control end, the 3rd transistor and the 4th transistorized emitter stage link together as outfan, and the 3rd transistorized colelctor electrode is connected to power supply, and the 4th transistorized colelctor electrode is connected to former limit earth potential; Second frequency circuit for generating 40, comprises the second phaselocked loop 41, and it is connected to crystal oscillator 100; The second low pass filter 42, is connected to the outfan of the second phaselocked loop 41; The second voltage controlled oscillator 43, be connected to the second low pass filter 42 outfans, its outfan is leaded up to N doubler 44 and is fed back to the second phaselocked loop 41, another road exports the outfan output second frequency signal f2 of the second amplifier 45, the second amplifiers 45 to and is connected to the control end of described second switch driver 23; The second diode 24, its anodic bonding is to the second transformator 21 secondary winding first ends, and its negative electrode is connected to the second DC filter 27; The second DC filter 27, comprise the second inducer 25 and the second capacitor 26, one end of the second inducer is connected to the negative electrode of the second diode 24, and the other end that the common port of the second inducer and the second capacitor is connected to the second emission electrode 90, the second capacitors 26 is connected to secondary earth potential.
First frequency circuit for generating 30 and second frequency circuit for generating 40 produce pulse signal, control turning on and off of respective switch pipe, and then accurately control the first voltage generation circuit 10 and second voltage and produce the size of circuit 20 output voltages, ensure that electric pressure is within human body tolerance range.
In this utility model, the no-load voltage ratio of transformator is 1:1, realizes former secondary electrical isolation.
Preferably, described the first switching tube and second switch pipe are mosfet transistor.
Preferably, described crystal oscillator frequency of oscillation is 100MHz.Described M doubler is 2 doubler, and described N doubler is 6 doubler.
Electric therapeutic instrument of the present utility model, effectively stimulates affected part nerve by voltage, and operating process is simple and convenient, for handicapped patient provides convenience.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. an electric therapeutic instrument, it is characterized in that, comprise: power supply, the first voltage generation circuit and second voltage produce circuit, the input that the first voltage generation circuit and second voltage produce circuit is connected to power supply, the outfan of the first voltage generation circuit is connected to the first emission electrode by the first DC filter, and the outfan that second voltage produces circuit is connected to the second emission electrode by the second DC filter;
Described the first emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described the first DC filter by wire;
Described the second emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described the second DC filter by wire;
The voltage of described power supply is 10-20V;
Described the first voltage generation circuit comprises:
The first transformator, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described power supply, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends;
The first switching tube, its source electrode is connected to first transformer primary side winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
The first switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to power supply, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
First frequency circuit for generating, comprises the first phaselocked loop, and it is connected to crystal oscillator; The first low pass filter, is connected to the outfan of the first phaselocked loop; The first voltage controlled oscillator, is connected to the first low pass filter outfan, and its outfan is leaded up to M doubler and fed back to the first phaselocked loop, and another road exports the first amplifier to, and the outfan of the first amplifier is connected to the control end of described the first switch driver;
The first diode, its anodic bonding is to the first transformator secondary winding first end, and its negative electrode is connected to the first DC filter;
The first DC filter, comprise the first inducer and the first capacitor, one end of the first inducer is connected to the negative electrode of the first diode, and the common port of the first inducer and the first capacitor is connected to the first emission electrode, and the other end of the first capacitor is connected to secondary earth potential;
Described second voltage produces circuit and comprises:
The second transformator, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described power supply, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends;
Second switch pipe, its source electrode is connected to second transformer primary side winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to second switch driver;
Second switch driver, comprise the 3rd transistor and the 4th transistor, the 3rd transistor is NPN transistor, the 4th transistor is PNP transistor, the 3rd transistor and the 4th transistorized base stage link together as control end, the 3rd transistor and the 4th transistorized emitter stage link together as outfan, and the 3rd transistorized colelctor electrode is connected to power supply, and the 4th transistorized colelctor electrode is connected to former limit earth potential;
Second frequency circuit for generating, comprises the second phaselocked loop, and it is connected to crystal oscillator; The second low pass filter, is connected to the outfan of the second phaselocked loop; The second voltage controlled oscillator, is connected to the second low pass filter outfan, and its outfan is leaded up to N doubler and fed back to the second phaselocked loop, and another road exports the second amplifier to, and the outfan of the second amplifier is connected to the control end of described second switch driver;
The second diode, its anodic bonding is to the second transformator secondary winding first end, and its negative electrode is connected to the second DC filter;
The second DC filter, comprise the second inducer and the second capacitor, one end of the second inducer is connected to the negative electrode of the second diode, and the common port of the second inducer and the second capacitor is connected to the second emission electrode, and the other end of the second capacitor is connected to secondary earth potential.
2. electric therapeutic instrument as claimed in claim 1, is characterized in that, described the first switching tube and second switch pipe are mosfet transistor.
3. electric therapeutic instrument as claimed in claim 1, is characterized in that, described crystal oscillator frequency of oscillation is 100MHz.
4. electric therapeutic instrument as claimed in claim 3, is characterized in that, described M doubler is 2 doubler, and described N doubler is 6 doubler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192290.XU CN203989473U (en) | 2014-04-18 | 2014-04-18 | Electric therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192290.XU CN203989473U (en) | 2014-04-18 | 2014-04-18 | Electric therapeutic instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203989473U true CN203989473U (en) | 2014-12-10 |
Family
ID=52029553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420192290.XU Expired - Fee Related CN203989473U (en) | 2014-04-18 | 2014-04-18 | Electric therapeutic instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203989473U (en) |
-
2014
- 2014-04-18 CN CN201420192290.XU patent/CN203989473U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20141210 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |