CN202459848U - Impulse electronic therapeutic meter - Google Patents
Impulse electronic therapeutic meter Download PDFInfo
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- CN202459848U CN202459848U CN2012200690963U CN201220069096U CN202459848U CN 202459848 U CN202459848 U CN 202459848U CN 2012200690963 U CN2012200690963 U CN 2012200690963U CN 201220069096 U CN201220069096 U CN 201220069096U CN 202459848 U CN202459848 U CN 202459848U
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Abstract
The utility model relates to an impulse electronic therapeutic meter comprising an ARM development board, a keyboard circuit, a liquid crystal display circuit, a DA converting circuit, a boosting power supply, a power amplification circuit, a switching circuit and a therapeutic electrode, wherein the ARM development board serves as a control core; and the impulse electronic therapeutic meter has the functions of therapeutic wave form generation, liquid-crystal therapeutic wave form type and therapeutic strength displaying, keyboard scanning, DA conversion output wave form envelope controlling, wave form amplification, and output wave form and impulse of the switching circuit controlling. When in use, a user sets a therapeutic wave form and a therapeutic strength, the ARM development board displays the therapeutic parameters set by the user after receiving the information set by the user, and then a corresponding therapeutic wave form is invoked. The wave form impulse output by the switching circuit acts on the therapeutic position of a human body through the dedicated therapeutic electrode. The impulse electronic therapeutic meter has the advantages that the types of wave forms are various and novel; the distortion of the wave forms is low; the controlling strength is accurate; the impulse electronic therapeutic meter is convenient to use, easy to control, high in safety factor and stable to operate; the action on the human body is obvious; and the effect is good.
Description
Technical field
This utility model relates to a kind of physiotherapy equipment, especially impulse electronic therapeutic meter.
Background technology
Impulse electronic therapeutic meter is a kind of medical electrical medical apparatus that can produce dissimilar waveform treatment diseases.Physical therapy is to utilize manual work or nature physical factor to act on human body, makes it to produce favourable reflection, reaches prevention and treatment disease purpose, is one of important means of rehabilitation.Electrotherapy is a kind of method the most frequently used in the physical therapy.Indirect action through to partial direct effect and nerve, body fluid causes the human response, the adjustment blood circulation; Improve Nutrition and Metabolism, improve and regulate immunologic function, nervous function, promote tissue repair; Thereby the elimination paathogenic factor, improve pathological process, reach the purpose of curing the disease.Mainly contain low frequency impulse current therapy, medium-frequency pulse electrotherapy, high-frequency impulse electrotherapy, static current therapy etc.Dissimilar electric currents are different to the effect of human body major physiological.Low, the electric current of intermediate frequency muscle contraction that excites nerve reduces pain, alleviates adhesion, is usually used in neuromuscular disease, like damage, inflammation etc.; High-frequency electrical promotes circulation with it to heat effect of human body, and resolution and edema stimulate tissue regeneration, and pain relieving is commonly used with treatment damage, inflammatory pain syndrome, and the high-power high-frequency electricity can be used for heating and controls cancer; It is to regulate nervus centralis and plant function that static mainly acts on, be usually used in that neurosis, hypertension are early stage, climacteric syndrome.
At present both at home and abroad impulse electronic therapeutic meter institute generally the waveform of employing be mostly square wave, sharp wave, sine wave, triangular wave, sawtooth waveforms etc.These waveforms exist the pain threshold in treatment threshold values and the treatment separate not obvious with very easily make the people produce the problem of habitual adaptation, make the output of therapeutic instrument can not be too big, do not reach therapeutic effect.And what the high pressure enlarging section branch of impulse electronic therapeutic meter generally adopted is integrated transporting discharging, inductance break-make electricity, and pulse transformer, these methods exist amplification low, thus safety problem, the problem that distorted signals is serious take place in wayward voltage.
CN1579572A discloses a kind of electric therapeutic instrument that uses speech processing circuit, comprises that record has speech processing circuit, voltage amplifier circuit and the output electrode of treatment ripple signal.The ability of this electric therapeutic instrument dealing with complicated waveform is strong, and circuit is simple, and cost is low, and volume is little, is easy to carry.This electric therapeutic instrument can only be handled the medium and low frequency treatment ripple signal that frequency is lower than 5KHz.
CN2912678Y discloses a kind of portable intelligent electrotherapeutic therapy apparatus, comprises single-chip microcomputer, keyboard circuit, display circuit, signal amplification circuit, sound light alarming circuit and therapeutic electrode.After this therapeutic instrument scanned user's information, the treatment parameter that explicit user sets was called the corresponding treatment wave function.This therapeutic instrument has only been used triangular wave and trapezoidal wave commonly used at present.
CN1425479A discloses a kind of electrotherapy, magnetic therapy and laser therapeutic apparatus, comprises main frame, optomagnetic head, two cube electrode sheets and rectification charging supply socket.This therapeutic instrument has been realized multi-functional on treating assist mutually, treat curative effect increase, treatment time shortening and medical expense minimizing.This therapeutic instrument leans on inductance break-make electricity to produce instantaneous pressure, only 65 volts of peak impulse voltages.
Summary of the invention
The purpose of this utility model is exactly the deficiency to above-mentioned prior art, provides a kind of use simple, and the output waveform pulse is various, and is safe, and distorted signals is little, is easy to control a kind of impulse electronic therapeutic meter of treatment waveform intensity.
The purpose of this utility model realizes through following technical scheme:
A kind of impulse electronic therapeutic meter is to be linked with electrode through DA conversion, waveform amplification and on-off control by arm processor, and keyboard is connected with on-off control through arm processor, and booster power is connected with the waveform amplification, and liquid crystal display and arm processor connect and compose.
Described booster power is to be connected with rectifying and wave-filtering with coil through the power drive forward topology by the PWM controller, and the PWM controller connects and composes through feedback protection circuit and rectifying and wave-filtering.
It is to be connected with power amplification through the multistage amplification of high-voltage three-pole pipe by instrument amplifier that described waveform amplifies, and instrument amplifier connects and composes through feedback compensation circuit and power amplification.
As the control core, have the treatment of generation waveform with the ARM chip, liquid crystal display treatment type of waveform and treatment intensity, keyboard scan, control DA conversion output waveform envelope, waveform amplifies, the function of gauge tap circuit output waveform pulse.
Keyboard circuit has begin treatment, sets the function of type of waveform and waveform intensity.Liquid crystal display circuit has the information parameter that explicit user sets waveform.The type of waveform that shows has A1, B2, C3, D4, E5, F6, G7, H8, I9, S1, S2, S3.The waveform intensity gear from 1 to 99 that shows.The DA change-over circuit, the digital signal that has ARM output converts analogue signal to, the function of the envelope of output waveform.High voltage power supply has to the power supply of waveform amplifying circuit, guarantees the function of amplifier work.High voltage power supply is passed through power drive by the PWM controller, forward topology, coil, rectifying and wave-filtering output 150V voltage.Waveform output amplifying circuit by high voltage power supply power supply, has the function that the voltage with the waveform envelope of DA conversion output amplifies, and waveform envelope is scalable to 110V, the pulse output frequency from the hundreds of hertz to tens KHzs.Waveform envelope is through instrument amplifier, and the multistage amplification of high-voltage three-pole pipe is exported after the power amplification.On-off control has waveform is switched, the function of control waveform pulse.Polarity to the switching controls waveform pulse of waveform makes the electric current conversion clocklike between two electrodes.
Except that said structure, this utility model has also designed two-stage security circuit, and the first order is made up of the electric fuse and the output protection resistance of many places; The over-voltage over-current protection at high voltage power supply place, the second level produces low-power high-voltage with DC-DC here, the high-voltage safety that obtains than direct rectification line voltage many.Secondly, over-voltage over-current protection movement time at this place, it was far smaller than the fusing time of electric fuse less than 1mS.
Beneficial effect: the utlity model has that waveform catalog is various, novel, distortion is little, control intensity is accurate, uses simply, is easy to control, and safety coefficient is high, working stability, and it is obvious to act on the human feeling, effective.
Description of drawings
Fig. 1 is a kind of impulse electronic therapeutic meter structured flowchart.
Fig. 2 is booster power supply circuit figure among Fig. 1.
Fig. 3 is a waveform amplification circuit diagram among Fig. 1.
Fig. 4 is feedback protection circuit and the feedback compensation circuit diagram among Fig. 2 Fig. 3
The specific embodiment
Do to specify further below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the impulse electronic therapeutic meter structured flowchart.Comprise arm processor and therapeutic electrode, expand keyboard circuit, liquid crystal display circuit, DA change-over circuit, booster power supply circuit, high pressure amplifying circuit, on-off circuit with arm processor and be formed by connecting.As the control core, have the treatment of generation waveform with the ARM chip, liquid crystal display treatment type of waveform and treatment intensity, keyboard scan, control DA conversion output waveform envelope, the waveform output amplifies, the function of gauge tap circuit output waveform pulse.Described keyboard circuit has begin treatment, sets the function of type of waveform and waveform intensity.Described liquid crystal display circuit has the information parameter that explicit user sets waveform.The type of waveform that shows has A1, B2, C3, D4, E5, F6, G7, H8, I9, S1, S2, S3.The waveform intensity gear from 1 to 99 that shows.Described DA change-over circuit, the digital signal that has ARM output converts analogue signal to, the function of the envelope of output waveform.Described high voltage power supply (Fig. 2) has to the power supply of waveform amplifying circuit, guarantees the function of amplifier work.High voltage power supply is passed through power drive by the PWM controller, forward topology, coil, rectifying and wave-filtering output 150V voltage.Described waveform output amplifying circuit (Fig. 2) by high voltage power supply power supply, has the function that the voltage with the waveform envelope of DA conversion output amplifies.Waveform envelope is through error amplifier, and the multistage amplification of high-voltage three-pole pipe is exported after the power amplification.Described on-off circuit has waveform is switched, the function of control waveform pulse.Polarity to the switching controls waveform pulse of waveform makes the electric current conversion clocklike between two electrodes.Preferred ARM9-Samsung S3C2440 of arm processor or ARM9-Samsung S3C2410 are processor
The user opens after the pulse therapeutic device, and two electrodes are placed acupuncture point or the corresponding site that will treat, presses the initiating key begin treatment, can regulate the type and the intensity of waveform according to the demand button.
Be illustrated in figure 3 as high-voltage three-pole pipe multistage amplifier part, its low pressure envelope with DAC output is amplified to 110V.Amplifier circuit specifically includes: resistance R 1, R2, R3, R4, R5, R6, R7, capacitor C 1, C2, instrument amplifier U1 are INA122, potentiometer RV1, audion Q1, Q2, Q3, electric fuse FUS1.Audion Q1, Q2; Resistance R 2, R4, R5, R6 and potentiometer RV1 constitute the high pressure amplifier section jointly, and the amplification of amplifier is by resistance R 6 and potentiometer RV1 decision, and resistance R 6 also plays a part feedback element with potentiometer RV1; Capacitor C 2 is used for improveing the dynamic characteristic of amplifier; Make the amplifier steady operation, audion Q3 is that output amplifies, and electric fuse FUS1 and resistance R 7 play a part protection.It is connected to: the waveform envelope of DAC output is through after the resistance R 1; Resistance R 1 connects 3 feet of capacitor C 1 and instrument amplifier U1; 6 feet of instrument amplifier U1 connect 8 feet of instrument amplifier U1; Resistance R 2 is serially connected between the base stage of 6 feet and audion Q1 of instrument amplifier U1, and 7 feet that instrument is amplified gas U1 connect positive 15V power supply, and 5 feet of instrument amplifier U1 connect 4 feet of instrument amplifier U1; Resistance R 3 is serially connected between the emitter stage of 5 feet and audion Q1 of instrument amplifier U1; Resistance R 5 is serially connected between the base stage of colelctor electrode and audion Q2 of audion Q1, and resistance R 4 is serially connected between the colelctor electrode of colelctor electrode, audion Q3 of colelctor electrode and the audion Q2 of audion Q1, and resistance R 6 is serially connected between the emitter stage and the non-sliding end of potentiometer RV1 of audion Q2; The base stage of audion Q3 connects emitter stage and the capacitor C 2 of audion Q2; Through 2 feet of capacitor C 2 back connection potentiometer RV1, resistance R 6 and instrument amplifier U1, the emitter stage of audion Q3 connects electric fuse FUS1 after resistance R 7, output to on-off circuit then.
Claims (3)
1. impulse electronic therapeutic meter; It is characterized in that, be to be linked with electrode through DA conversion, waveform amplification and on-off control by arm processor, and keyboard is connected with on-off control through arm processor; Booster power is connected with the waveform amplification, and liquid crystal display and arm processor connect and compose.
2. according to the described impulse electronic therapeutic meter of claim 1, it is characterized in that described booster power is to be connected with rectifying and wave-filtering with coil through the power drive forward topology by the PWM controller, the PWM controller connects and composes through feedback protection circuit and rectifying and wave-filtering.
3. according to the described impulse electronic therapeutic meter of claim 1, it is characterized in that it is to be connected with power amplification through the multistage amplification of high-voltage three-pole pipe by instrument amplifier that described waveform amplifies, instrument amplifier connects and composes through feedback compensation circuit and power amplification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200690963U CN202459848U (en) | 2012-02-28 | 2012-02-28 | Impulse electronic therapeutic meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200690963U CN202459848U (en) | 2012-02-28 | 2012-02-28 | Impulse electronic therapeutic meter |
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| CN202459848U true CN202459848U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200690963U Expired - Fee Related CN202459848U (en) | 2012-02-28 | 2012-02-28 | Impulse electronic therapeutic meter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078612A (en) * | 2012-12-31 | 2013-05-01 | 西安奇维科技股份有限公司 | Method for generating pulse signal by using analog switch |
| CN104001263A (en) * | 2014-04-24 | 2014-08-27 | 南京久益电脑控制仪器有限公司 | Spinal nerve recovery device |
| CN104208809A (en) * | 2014-09-23 | 2014-12-17 | 杨晓冬 | High voltage electric field therapeutic apparatus |
| CN105709332A (en) * | 2014-12-04 | 2016-06-29 | 实倍康股份有限公司 | Frequency-spectrum type electrizer and control method therefor |
| CN111632271A (en) * | 2019-03-01 | 2020-09-08 | 上海库石医疗技术有限公司 | Human body electrotherapy circuit |
| CN112206415A (en) * | 2020-09-04 | 2021-01-12 | 未来穿戴技术有限公司 | Pulse signal processing circuit and method and medium-high frequency electrical stimulation device |
-
2012
- 2012-02-28 CN CN2012200690963U patent/CN202459848U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078612A (en) * | 2012-12-31 | 2013-05-01 | 西安奇维科技股份有限公司 | Method for generating pulse signal by using analog switch |
| CN104001263A (en) * | 2014-04-24 | 2014-08-27 | 南京久益电脑控制仪器有限公司 | Spinal nerve recovery device |
| CN104001263B (en) * | 2014-04-24 | 2016-07-06 | 南京久益电脑控制仪器有限公司 | A kind of spinal nerves convalescence device |
| CN104208809A (en) * | 2014-09-23 | 2014-12-17 | 杨晓冬 | High voltage electric field therapeutic apparatus |
| CN104208809B (en) * | 2014-09-23 | 2016-09-28 | 杨晓冬 | High voltage electric field therapeutic instrument |
| CN105709332A (en) * | 2014-12-04 | 2016-06-29 | 实倍康股份有限公司 | Frequency-spectrum type electrizer and control method therefor |
| CN111632271A (en) * | 2019-03-01 | 2020-09-08 | 上海库石医疗技术有限公司 | Human body electrotherapy circuit |
| CN112206415A (en) * | 2020-09-04 | 2021-01-12 | 未来穿戴技术有限公司 | Pulse signal processing circuit and method and medium-high frequency electrical stimulation device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130228 |