CN204106846U - Portable motion nerve stimulation instrument - Google Patents
Portable motion nerve stimulation instrument Download PDFInfo
- Publication number
- CN204106846U CN204106846U CN201420210002.9U CN201420210002U CN204106846U CN 204106846 U CN204106846 U CN 204106846U CN 201420210002 U CN201420210002 U CN 201420210002U CN 204106846 U CN204106846 U CN 204106846U
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- Prior art keywords
- outfan
- transistor
- generation circuit
- voltage generation
- switch
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Abstract
The utility model proposes a kind of portable motion nerve stimulation instrument, comprise: power supply, the first voltage generation circuit and the second voltage generation circuit, the input of the first voltage generation circuit and the second voltage generation circuit is connected to power supply, and the outfan of the first voltage generation circuit and the second voltage generation circuit is connected respectively to the first emission electrode and the second emission electrode.Portable motion nerve stimulation instrument of the present utility model, effectively stimulated affected part nerve by voltage, 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 portable motion nerve stimulation instrument.
Background technology
A lot of patient with bone fracture, healing the wounds period, there will be amyotrophic complication because muscle cannot obtain exercise, even occurs the situation of nerve numb, nerve necrosis time serious.
Existing Therapeutic Method mainly stimulates muscle by massage and acupuncture, prevents nerve necrosis, but massage and acupuncture need special doctor, very difficult for sickbed patients.
Therefore, how providing a kind of instrument stimulated nervus motorius, prevent nerve necrosis, is current problem demanding prompt solution.
Utility model content
The utility model proposes a kind of portable motion nerve stimulation instrument, solve in prior art the problem needing to massage and acupuncture stimulates injury muscle.
The technical solution of the utility model is achieved in that
A kind of portable motion nerve stimulation instrument, comprise: power supply, the first voltage generation circuit and the second voltage generation circuit, the input of the first voltage generation circuit and the second voltage generation circuit is connected to power supply, and the outfan of the first voltage generation circuit and the second voltage generation circuit is connected respectively to the first emission electrode and the second emission electrode;
Described power supply is set of cells, and its voltage is 10-20V, and described set of cells comprises n the battery be connected in series; N the shorting switch be connected in parallel with respective battery; And with n short circuit control circuit of respective battery coupled in parallel, wherein said each short circuit control circuit receives respective battery both end voltage, and provides control signal according to respective battery both end voltage, in order to be turned on or off by corresponding shorting switch; Described short circuit control circuit comprises: comparator, has in-phase input end, inverting input and outfan; Biasing circuit, has anode and negative terminal, and its anode is coupled to the in-phase input end of comparator; Wherein said battery and shorting switch coupled in parallel are between the in-phase input end and the negative terminal of biasing circuit of comparator, and described shorting switch comprises the control end being coupled to described comparator output terminal; Described shorting switch is mosfet transistor;
Described first emission electrode is copper sheet;
Described second emission electrode is copper sheet;
Described first voltage generation circuit comprises:
Transformator, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to described power supply, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
First switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
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, comprise the first phaselocked loop, it is connected to crystal oscillator; First low pass filter, is connected to the outfan of the first phaselocked loop; 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 first switch driver;
First diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to the first inducer;
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 generation circuit comprises:
Second inducer, its one end is connected to described power supply;
Second switch pipe and the 3rd switching tube, the source electrode of second switch pipe and the 3rd switching tube links together and is connected to the other end of the second inducer, the drain electrode of second switch pipe is connected to secondary earth potential, the drain electrode of the 3rd switching tube is connected to the second emission electrode and the second capacitor, and the other end of the second capacitor is connected to secondary earth potential;
Second switch driver, it is Texas Instruments UC3714 chip, and the clock signal based on control end input produces the switching drive signal of two-way complementation, and a road is coupled to described second switch tube grid, and another road is coupled to described 3rd switching tube grid;
Second frequency circuit for generating, comprise the second phaselocked loop, it is connected to crystal oscillator; Second low pass filter, is connected to the outfan of the second phaselocked loop; 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.
Alternatively, described first switching tube, second switch pipe and the 3rd switching tube are mosfet transistor.
Alternatively, described crystal oscillator frequency of oscillation is 100MHz.
Alternatively, described M doubler is 6 doubler, and described N doubler is 6 doubler.
The beneficial effects of the utility model are:
Effectively stimulated affected part nerve by voltage, operating process is simple and convenient, for handicapped patient provides convenience; Be system power supply by set of cells, achieve the portability of system, the battery that in short circuit set of cells, electricity exhausts or damages, extend the service time of set of cells.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of a kind of portable motion nerve stimulation of this utility model instrument;
Fig. 2 is the circuit diagram of power supply of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Figure 1, a kind of portable motion nerve stimulation instrument of the present utility model, comprise: power supply 1, first voltage generation circuit 10 and the second voltage generation circuit 20, the input of the first voltage generation circuit 10 and the second voltage generation circuit 20 is connected to power supply 1, and the outfan of the first voltage generation circuit 10 and the second voltage generation circuit 20 is connected respectively to the first emission electrode 80 and the second emission electrode 90; Described first emission electrode 80 is copper sheet; Described second emission electrode 90 is copper sheet.
DC voltage within human body tolerance range and harmless is applied to the first emission electrode 80 and the second emission electrode 90 by the first voltage generation circuit 10 and the second voltage generation circuit 20, first emission electrode 80 and the second emission electrode 90 are fixed on human body by clip or band etc. and stimulate district, the spacing of two emission electrodes controls within 30 centimetres, by DC voltage, nerve is stimulated, keep neural sensitivity.
Particularly, described first voltage generation circuit 10 comprises: transformator 11, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to described power supply 1, and vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends; First switching tube 12, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver 13; 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, comprise the first phaselocked loop 31, it is connected to crystal oscillator 100; First low pass filter 32, is connected to the outfan of the first phaselocked loop 31; First voltage controlled oscillator 33, be connected to the first low pass filter 32 outfan, its outfan is leaded up to M doubler 34 and is fed back to the first phaselocked loop 31, the outfan that another road exports the first amplifier 35, first amplifier 35 to exports first frequency signal f1 and is connected to the control end of described first switch driver 13.First diode 14, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to the first inducer 15; The common port of the first inducer 15 and the first capacitor 16 is connected to the first emission electrode, and the other end of the first capacitor 16 is connected to secondary earth potential.
Described second voltage generation circuit 20 comprises: the second inducer 21, and its one end is connected to described power supply 1; Second switch pipe 22 and the 3rd switching tube 23, the source electrode of second switch pipe 22 and the 3rd switching tube 23 links together and is connected to the other end of the second inducer 21, the drain electrode of second switch pipe 22 is connected to secondary earth potential, the other end that the drain electrode of the 3rd switching tube 23 is connected to the second emission electrode 90 and the second capacitor 25, second capacitor 25 is connected to secondary earth potential; Second switch driver 24, it is Texas Instruments UC3714 chip, clock signal based on control end input produces the switching drive signal of two-way complementation, and a road is coupled to described second switch pipe 22 grid, and another road is coupled to described 3rd switching tube 23 grid; Second frequency circuit for generating 40, comprise the second phaselocked loop 41, it is connected to crystal oscillator 100; Second low pass filter 42, is connected to the outfan of the second phaselocked loop 41; Second voltage controlled oscillator 43, be connected to the second low pass filter 42 outfan, its outfan is leaded up to N doubler 44 and is fed back to the second phaselocked loop 41, the outfan that another road exports the second amplifier 45, second amplifier 45 to exports second frequency signal f2 and is connected to the control end of described second switch driver 24.
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 control the size of the first voltage generation circuit 10 and the second voltage generation circuit 20 output voltage, ensure that electric pressure is within human body tolerance range.
As shown in Figure 2, power supply 1 is set of cells 117, and its voltage is 10-20V, set of cells comprise battery that n is connected in series (211,221 ..., 2n1), wherein n is natural number; N shorting switch being connected in parallel with respective battery (212,222 ..., 2n2); And with n short circuit control circuit of respective battery coupled in parallel (213,223 ..., 2n3), described each short circuit control circuit receives respective battery both end voltage, and provide control signal according to respective battery both end voltage, in order to corresponding shorting switch is turned on or off, thus when respective battery both end voltage is very low by this battery short circuit.Short circuit control circuit in Fig. 2 (213,223 ..., 2n3) structure is identical, short circuit control circuit 213 comprises: comparator 2101, has in-phase input end, inverting input and outfan; Biasing circuit 2102, has anode and negative terminal, and its anode is coupled to the in-phase input end of comparator 2101; Wherein battery 211 and shorting switch 212 coupled in parallel are between the in-phase input end and the negative terminal of biasing circuit 102 of comparator 2101, and described shorting switch 212 comprises the control end being coupled to described comparator 2101 outfan.When described battery voltage short circuit control circuit 213 runs, comparator 2101 compares the voltage that its battery 211 both end voltage and biasing circuit 2102 provide.When power depletion or the damage of battery 211, during the voltage levvl that its both end voltage is provided lower than biasing circuit 2102, comparator 2101, by shorting switch 212 conducting, with battery 211, thus minimizes the resistance of this battery path.Described shorting switch can be the full-control type such as audion, mosfet transistor transistor.
In this utility model, the no-load voltage ratio of transformator is 1: 1, realizes former secondary electrical isolation.
Preferably, described first switching tube 12, second switch pipe 22 and the 3rd switching tube 23 are mosfet transistor.
Preferably, the frequency of oscillation of described crystal oscillator 100 is 100MHz.Correspondingly, described M doubler 34 is 6 doubler, and described N doubler 44 is 6 doubler.
Portable motion nerve stimulation instrument of the present utility model, effectively stimulated affected part nerve by voltage, operating process is simple and convenient, for handicapped patient provides convenience; Be system power supply by set of cells, achieve the portability of system, the battery that in short circuit set of cells, electricity exhausts or damages, extend the service time of set of cells.
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 done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a portable motion nerve stimulation instrument, it is characterized in that, comprise: power supply, the first voltage generation circuit and the second voltage generation circuit, the input of the first voltage generation circuit and the second voltage generation circuit is connected to power supply, and the outfan of the first voltage generation circuit and the second voltage generation circuit is connected respectively to the first emission electrode and the second emission electrode;
Described power supply is set of cells, and its voltage is 10-20V, and described set of cells comprises n the battery be connected in series; N the shorting switch be connected in parallel with respective battery; And with n short circuit control circuit of respective battery coupled in parallel, wherein said each short circuit control circuit receives respective battery both end voltage, and provides control signal according to respective battery both end voltage, in order to be turned on or off by corresponding shorting switch; Described short circuit control circuit comprises: comparator, has in-phase input end, inverting input and outfan; Biasing circuit, has anode and negative terminal, and its anode is coupled to the in-phase input end of comparator; Wherein said battery and shorting switch coupled in parallel are between the in-phase input end and the negative terminal of biasing circuit of comparator, and described shorting switch comprises the control end being coupled to described comparator output terminal; Described shorting switch is mosfet transistor;
Described first emission electrode is copper sheet;
Described second emission electrode is copper sheet;
Described first voltage generation circuit comprises:
Transformator, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to described power supply, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
First switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
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, comprise the first phaselocked loop, it is connected to crystal oscillator; First low pass filter, is connected to the outfan of the first phaselocked loop; 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 first switch driver;
First diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to the first inducer;
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 generation circuit comprises:
Second inducer, its one end is connected to described power supply;
Second switch pipe and the 3rd switching tube, the source electrode of second switch pipe and the 3rd switching tube links together and is connected to the other end of the second inducer, the drain electrode of second switch pipe is connected to secondary earth potential, the drain electrode of the 3rd switching tube is connected to the second emission electrode and the second capacitor, and the other end of the second capacitor is connected to secondary earth potential;
Second switch driver, it is Texas Instruments UC3714 chip, and the clock signal based on control end input produces the switching drive signal of two-way complementation, and a road is coupled to described second switch tube grid, and another road is coupled to described 3rd switching tube grid;
Second frequency circuit for generating, comprise the second phaselocked loop, it is connected to crystal oscillator; Second low pass filter, is connected to the outfan of the second phaselocked loop; 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.
2. portable motion nerve stimulation instrument as claimed in claim 1, it is characterized in that, described first switching tube, second switch pipe and the 3rd switching tube are mosfet transistor.
3. portable motion nerve stimulation instrument as claimed in claim 1, it is characterized in that, described crystal oscillator frequency of oscillation is 100MHz.
4. portable motion nerve stimulation instrument as claimed in claim 3, it is characterized in that, described M doubler is 6 doubler, and described N doubler is 6 doubler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210002.9U CN204106846U (en) | 2014-04-18 | 2014-04-18 | Portable motion nerve stimulation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210002.9U CN204106846U (en) | 2014-04-18 | 2014-04-18 | Portable motion nerve stimulation instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204106846U true CN204106846U (en) | 2015-01-21 |
Family
ID=52324211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420210002.9U Expired - Fee Related CN204106846U (en) | 2014-04-18 | 2014-04-18 | Portable motion nerve stimulation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204106846U (en) |
-
2014
- 2014-04-18 CN CN201420210002.9U patent/CN204106846U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20200418 |