CN203989475U - A kind of portable graphite electrotherapeutic apparatus - Google Patents
A kind of portable graphite electrotherapeutic apparatus Download PDFInfo
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- CN203989475U CN203989475U CN201420191849.7U CN201420191849U CN203989475U CN 203989475 U CN203989475 U CN 203989475U CN 201420191849 U CN201420191849 U CN 201420191849U CN 203989475 U CN203989475 U CN 203989475U
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Abstract
The utility model proposes a kind of portable graphite electrotherapeutic apparatus, 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, and the outfan that second voltage produces circuit is connected to the second emission electrode.Portable graphite electrotherapeutic apparatus of the present utility model, effectively stimulates affected part nerve by high-frequency pulse 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 portable graphite electrotherapeutic apparatus.
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 portable graphite electrotherapeutic apparatus, 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 portable graphite electrotherapeutic apparatus, 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, and the outfan that second voltage produces circuit is connected to the second emission electrode;
Described the first emission electrode is graphite plate, and its radius is 1-2 centimetre, by wire, is connected to described the first voltage generation circuit;
Described the second emission electrode is millstone plate, and its radius is 1-2 centimetre, is connected to described second voltage produces circuit by wire;
Described power supply is set of cells, and its voltage is 10-20V, and described set of cells comprises n the battery being connected in series; N the shorting switch being 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 by corresponding shorting switch conducting or disconnection; 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 of comparator and the negative terminal of biasing circuit, and described shorting switch comprises the control end that is coupled to described comparator output terminal; Described shorting switch is mosfet transistor;
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 connected to the first amplifier, 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 negative electrode and first emission electrode of the first Zener diode;
The first Zener diode, its negative electrode is connected to negative electrode and first emission electrode of the first diode, and its anodic bonding is 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 connected to the second amplifier, 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 Zener diode and the second emission electrode;
The second Zener diode, its negative electrode is connected to negative electrode and second emission electrode of the second diode, and its anodic bonding is 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.
The beneficial effects of the utility model are:
By high-frequency pulse voltage, affected part nerve is effectively stimulated, operating process is simple and convenient, for handicapped patient provides convenience; By set of cells, be system power supply, realized the portability of system, the battery that in short circuit set of cells, electric weight exhausts or damages, has extended 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, 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 skills, 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 portable graphite electrotherapeutic apparatus of this utility model;
Fig. 2 is the circuit diagram of power supply of the present utility model.
The specific embodiment
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, rather than whole embodiment.Embodiment based in this utility model, those of ordinary skills 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 portable graphite electrotherapeutic apparatus 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, and the outfan that second voltage produces circuit is connected to the second emission electrode 90.
Described the first emission electrode 80 is graphite plate, and its radius is 1-2 centimetre, by wire, is connected to described the first voltage generation circuit 10; Described the second emission electrode is millstone plate, and its radius is 1-2 centimetre, by wire, is connected to the described second straight voltage generation circuit 20.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 to the first emission electrode 80 and the second emission electrode 90, apply human body tolerance range within and harmless high-frequency pulse voltage, the spacing of two emission electrodes is controlled in 30 centimetres, by high-frequency pulse voltage, nerve is stimulated, keep neural sensitivity.
Described the first voltage generation circuit 10 comprises: the first transformator 11, its no-load voltage ratio is 1:1, 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, and 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, is connected to the first low pass filter 32 outfans, and its outfan is connected to the outfan output first frequency signal f1 of the first amplifier 35, the first amplifiers 35 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 negative electrode of the first Zener diode 15 and the anodic bonding of the first emission electrode 80, the first Zener diodes 15 to secondary earth potential.
Described second voltage produces circuit 20 and comprises: the second transformator 21, its no-load voltage ratio is 1:1, 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, and 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, is connected to the second low pass filter 42 outfans, and its outfan is connected to the outfan output second frequency signal f2 of the second amplifier 45, the second amplifiers 45 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 negative electrode and second emission electrode of the second Zener diode 15; The anodic bonding of the second Zener diode is 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 size that the first voltage generation circuit 10 and second voltage produce circuit 20 output high-frequency pulse voltages, guarantee that electric pressure is within human body tolerance range.
Zener diode is arranged between emission electrode and secondary earth potential, plays the effect of overvoltage protection, prevents because pulse voltage is too high and human body is caused to unnecessary injury.
As shown in Figure 2, power supply 1 is set of cells 117, set of cells comprise the battery that n is connected in series (211,221 ..., 2n1), wherein n is natural number; N the 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 by corresponding shorting switch conducting or disconnection, 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 of comparator 2101 and the negative terminal of biasing circuit 102, and described shorting switch 212 comprises the control end that is coupled to described comparator 2101 outfans.When described battery voltage short circuit control circuit 213 operation, the voltage that comparator 2101 its battery 211 both end voltage of comparison and biasing circuit 2102 provide.When the power supply of battery 211 exhausts or damages, while making voltage levvl that its both end voltage provides lower than biasing circuit 2102, comparator 2101 is shorting switch 212 conductings, with battery 211, thereby minimizes the resistance of this battery path.Described shorting switch can be the full-control type transistors such as audion, mosfet transistor.
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.
Portable graphite electrotherapeutic apparatus of the present utility model, effectively stimulates affected part nerve by high-frequency pulse voltage, and operating process is simple and convenient, for handicapped patient provides convenience; By set of cells, be system power supply, realized the portability of system, the battery that in short circuit set of cells, electric weight exhausts or damages, has extended 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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a portable graphite electrotherapeutic apparatus, 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, and the outfan that second voltage produces circuit is connected to the second emission electrode;
Described the first emission electrode is graphite plate, and its radius is 1-2 centimetre, by wire, is connected to described the first voltage generation circuit;
Described the second emission electrode is millstone plate, and its radius is 1-2 centimetre, is connected to described second voltage produces circuit by wire;
Described power supply is set of cells, and its voltage is 10-20V, and described set of cells comprises n the battery being connected in series; N the shorting switch being 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 by corresponding shorting switch conducting or disconnection; 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 of comparator and the negative terminal of biasing circuit, and described shorting switch comprises the control end that is coupled to described comparator output terminal; Described shorting switch is mosfet transistor;
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 connected to the first amplifier, 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 negative electrode and first emission electrode of the first Zener diode;
The first Zener diode, its negative electrode is connected to negative electrode and first emission electrode of the first diode, and its anodic bonding is 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 connected to the second amplifier, 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 Zener diode and the second emission electrode;
The second Zener diode, its negative electrode is connected to negative electrode and second emission electrode of the second diode, and its anodic bonding is to secondary earth potential.
2. portable graphite electrotherapeutic apparatus as claimed in claim 1, is characterized in that, described the first switching tube and second switch pipe are mosfet transistor.
3. portable graphite electrotherapeutic apparatus as claimed in claim 1, is characterized in that, described crystal oscillator frequency of oscillation is 100MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191849.7U CN203989475U (en) | 2014-04-18 | 2014-04-18 | A kind of portable graphite electrotherapeutic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191849.7U CN203989475U (en) | 2014-04-18 | 2014-04-18 | A kind of portable graphite electrotherapeutic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203989475U true CN203989475U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420191849.7U Expired - Fee Related CN203989475U (en) | 2014-04-18 | 2014-04-18 | A kind of portable graphite electrotherapeutic apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN203989475U (en) |
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2014
- 2014-04-18 CN CN201420191849.7U patent/CN203989475U/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 |
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| EXPY | Termination of patent right or utility model |