CN203816088U - Portable high-frequency pulse physiotherapy instrument - Google Patents
Portable high-frequency pulse physiotherapy instrument Download PDFInfo
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- CN203816088U CN203816088U CN201420189625.2U CN201420189625U CN203816088U CN 203816088 U CN203816088 U CN 203816088U CN 201420189625 U CN201420189625 U CN 201420189625U CN 203816088 U CN203816088 U CN 203816088U
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Abstract
The utility model provides a portable high-frequency pulse physiotherapy instrument. The portable high-frequency pulse physiotherapy instrument comprises a power supply and a voltage generating circuit, an input end of the voltage generating circuit is connected with the power supply, and output ends of the voltage generating circuit are respectively connected with a first emission electrode and a second emission electrode; the first emission electrode is a graphite disc the radius of which is 1-2cm; the second emission electrode is a graphite disc the radius of which is 1-2cm; and voltage of the power supply is 10-20V. According to the portable high-frequency pulse physiotherapy instrument, effective stimulation is performed on a nerve at a strain portion through high-frequency pulse voltage, the operating process is simple and convenient, and convenience is provided for a disabled patient.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of portable high frequency pulse physiotherapy instrument.
Background technology
Lumbar muscle strain is now a lot of clerks and common complaint among the elderly, there is no at present the modus operandi of specific drug and instant effect, can only be by massaging and acupuncture and moxibustion therapy.Acupuncture is the rarity in China's traditional Chinese medical science field, can play good alleviation and therapeutic effect to lumbar muscle strain, but the cycle of its treatment is long, takes effect slow, needs for a long time regularly acupuncture treatment, bothers very much for working clan or handicapped old man.
The neural sensitivity that voltage is stimulated is very high, can obtain good effect by low pressure to nerve stimulation, and therefore, how acupuncture being combined with low pressure irritation therapy is current problem demanding prompt solution.
Utility model content
The utility model proposes a kind of portable high frequency pulse physiotherapy instrument, solved the problem that acupuncture is combined with low pressure irritation therapy.
The technical solution of the utility model is achieved in that
A kind of portable high frequency pulse physiotherapy instrument, comprising: power supply and voltage generation circuit, and the input of voltage generation circuit is connected to power supply, and the outfan of voltage generation circuit is connected respectively to the first emission electrode and the second emission electrode;
Described the first emission electrode is graphite plate, and its radius is 1-2 centimetre;
Described the second emission electrode is millstone plate, and its radius is 1-2 centimetre;
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 voltage generation circuit comprises:
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 inducer, and the drain electrode of second switch pipe is connected to earth potential, and the drain electrode of the 3rd switching tube is connected to DC filter;
Described DC filter is capacitor, and one end of capacitor is connected to the drain electrode of the 3rd switching tube and the source electrode of the 4th switching tube, and its other end is connected to earth potential and the second emission electrode;
The source electrode of described the 4th switching tube is connected to drain electrode and the capacitor of the 3rd switching tube, and its drain electrode is connected to the first emission electrode;
Switch driver, it is the UC3714 of Texas Instruments 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 the 3rd switching tube grid;
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 switch driver;
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 grid of described the 4th switching tube;
The frequency of oscillation of described crystal oscillator is 100MHz.
Alternatively, described second switch pipe, the 3rd switching tube and the 4th switching tube are mosfet transistor.
The beneficial effects of the utility model are:
By the high frequency voltage being applied on millstone plate electrode, strain place nerve is effectively stimulated; The low-voltage applying is precisely controlled, prevents patient to cause unnecessary injury; Be system power supply by set of cells, 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.
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 portable high frequency pulse physiotherapy instrument of this utility model;
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, 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 portable high frequency pulse physiotherapy instrument of the present utility model, comprise: power supply 1 and voltage generation circuit 20, the input of voltage generation circuit is connected to power supply 1, and the outfan of voltage generation circuit is connected respectively to the first emission electrode 80 and the second emission electrode 90.Described the first emission electrode 80 is graphite plate, its radius is 1-2 centimetre, and described the second emission electrode is millstone plate, and its radius is 1-2 centimetre, the first emission electrode 80 and the second emission electrode 90 are connected to described voltage generation circuit 20 by wire, and the voltage of described power supply is 10-20V.
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 physical therapy, within applying human body tolerance range by voltage generation circuit to the first emission electrode 80 and the second emission electrode 90 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.
Particularly, described voltage generation circuit 20 comprises: 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 inducer 21, the drain electrode of second switch pipe 22 is connected to earth potential, and the drain electrode of the 3rd switching tube 23 is connected to DC filter 25; Described DC filter 25 is capacitor, and one end of capacitor is connected to the drain electrode of the 3rd switching tube 23 and the source electrode of the 4th switching tube 26, and its other end is connected to earth potential and the second emission electrode 90; The source electrode of described the 4th switching tube 26 is connected to drain electrode and the capacitor of the 3rd switching tube 23, and its drain electrode is connected to the first emission electrode 80.
Switch driver 24, it is the UC3714 of Texas Instruments 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 pipe 22 grids, and another road is coupled to described the 3rd switching tube 23 grids.
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 switch driver 13; 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 grid of the 4th switching tube 26.
First frequency circuit for generating 30 produces pulse signal f1, controls turning on and off of second switch pipe 22 and the 3rd switching tube 23, and then accurately controls the size of voltage generation circuit 20 output dc voltages, ensures that electric pressure is within human body tolerance range; Second frequency circuit for generating 40 produces pulse signal f2, controls turning on and off of the 4th switching tube, and then DC voltage is chopped into high-frequency pulse voltage.
The frequency of oscillation of crystal oscillator 100 has determined the frequency of pulse signal f1 and pulse signal f2, and in this utility model, the frequency of oscillation of crystal oscillator 100 is 100MHz.
As shown in Figure 2, power supply 1 is set of cells 117, and its voltage is 10-20V, set of cells comprise the 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 by corresponding shorting switch conducting or disconnection, thus in the time that 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.In the time that described battery voltage short circuit control circuit 213 moves, 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 such as audion, mosfet transistor transistor.
Preferably, described second switch pipe 22, the 3rd switching tube 23 and the 4th switching tube 26 are mosfet transistor.
Portable high frequency pulse physiotherapy instrument of the present utility model effectively stimulates strain place nerve by the high frequency voltage being applied on millstone plate electrode; The low-voltage applying is precisely controlled, prevents patient to cause unnecessary injury; Be system power supply by set of cells, 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 amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. a portable high frequency pulse physiotherapy instrument, is characterized in that, comprising: power supply and voltage generation circuit, and the input of voltage generation circuit is connected to power supply, and the outfan of voltage generation circuit is connected respectively to the first emission electrode and the second emission electrode;
Described the first emission electrode is graphite plate, and its radius is 1-2 centimetre;
Described the second emission electrode is millstone plate, and its radius is 1-2 centimetre;
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 voltage generation circuit comprises:
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 inducer, and the drain electrode of second switch pipe is connected to earth potential, and the drain electrode of the 3rd switching tube is connected to DC filter;
Described DC filter is capacitor, and one end of capacitor is connected to the drain electrode of the 3rd switching tube and the source electrode of the 4th switching tube, and its other end is connected to earth potential and the second emission electrode;
The source electrode of described the 4th switching tube is connected to drain electrode and the capacitor of the 3rd switching tube, and its drain electrode is connected to the first emission electrode;
Switch driver, it is the UC3714 of Texas Instruments 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 the 3rd switching tube grid;
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 switch driver;
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 grid of described the 4th switching tube;
The frequency of oscillation of described crystal oscillator is 100MHz.
2. portable high frequency pulse physiotherapy instrument as claimed in claim 1, is characterized in that, described second switch pipe, the 3rd switching tube and the 4th switching tube are mosfet transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189625.2U CN203816088U (en) | 2014-04-18 | 2014-04-18 | Portable high-frequency pulse physiotherapy instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189625.2U CN203816088U (en) | 2014-04-18 | 2014-04-18 | Portable high-frequency pulse physiotherapy instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203816088U true CN203816088U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420189625.2U Expired - Fee Related CN203816088U (en) | 2014-04-18 | 2014-04-18 | Portable high-frequency pulse physiotherapy instrument |
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| Country | Link |
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| CN (1) | CN203816088U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429273A (en) * | 2015-12-02 | 2016-03-23 | 青岛盛嘉信息科技有限公司 | Three-battery switching circuit |
| CN105449827A (en) * | 2015-11-27 | 2016-03-30 | 青岛盛嘉信息科技有限公司 | Double-battery switching circuit based on IGBT |
| CN105490374A (en) * | 2015-11-25 | 2016-04-13 | 青岛盛嘉信息科技有限公司 | Self-switched double-battery structure |
| CN105552982A (en) * | 2015-12-02 | 2016-05-04 | 青岛盛嘉信息科技有限公司 | Battery switching circuit on the basis of IGBT |
-
2014
- 2014-04-18 CN CN201420189625.2U patent/CN203816088U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490374A (en) * | 2015-11-25 | 2016-04-13 | 青岛盛嘉信息科技有限公司 | Self-switched double-battery structure |
| CN105449827A (en) * | 2015-11-27 | 2016-03-30 | 青岛盛嘉信息科技有限公司 | Double-battery switching circuit based on IGBT |
| CN105429273A (en) * | 2015-12-02 | 2016-03-23 | 青岛盛嘉信息科技有限公司 | Three-battery switching circuit |
| CN105552982A (en) * | 2015-12-02 | 2016-05-04 | 青岛盛嘉信息科技有限公司 | Battery switching circuit on the basis of IGBT |
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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: 20140910 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |