CN2880145Y - Circuit of low frequency electric stimulation - Google Patents
Circuit of low frequency electric stimulation Download PDFInfo
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- CN2880145Y CN2880145Y CN 200620002384 CN200620002384U CN2880145Y CN 2880145 Y CN2880145 Y CN 2880145Y CN 200620002384 CN200620002384 CN 200620002384 CN 200620002384 U CN200620002384 U CN 200620002384U CN 2880145 Y CN2880145 Y CN 2880145Y
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Abstract
The utility model relates to an electric circuit of low-frequency electric stimulator. Within a tank circuit, a square wave producer forms the basic tank circuit which is assisted by a first segment of continuous square wave produced by some surrounding transistors and electric resistor. In addition, the utility model also comprises production electric circuits of a second and a third control waveforms so as to produce intermittent and compound square waves. A selection and adjustment electric circuit can be used to select the required square wave, and the contained first variable resistor can adjust the output frequency of the selected square wave. A second variable resistor within the output circuit can adjust the output strength of the selected square wave so as to reach the goal of adjusting the output of multiple segments of square wave. When the conduction piece of the low-frequency electrical stimulator reaches human skin, the output pulse voltage and current will not let you feel pain.
Description
Technical field
This utility model relates to a kind of circuit of low-frequency electronic stimulatior, particularly relates to a kind of circuit of low-frequency electronic stimulatior of optional majority section square wave.
Background technology
Existing known low-frequency electrotherapeutic device (electrical stimulator), No. 325693, the novel patent announcement of TaiWan, China " the electricity irritation signal generating circuit of crescendo formula electro-therapeutic apparatus " for example, be a kind of for neuromuscular being applied the signal generating circuit of electricity irritation signal, it comprises that set of pulses wave circuit has the short waveform frequently of a high pressure, has a circular arc lifting waveform with one group of automatic lifting volt circuit, after boosting by schmidt trigger formula charge-discharge circuit, but the linear waveform electrical equipment signal of pulse output crescendo and diminuendo is to simulate the effect of traditional Chinese massage.Yet its export low flat high-voltage pulse be for a kind of pulsewidth be per second one to 100 time, the sharp type surging of each signa (1MS), the sharp type surging of this kind puts on will produce on the human skin and twinges sense, and can not adjust or switch, so all on the market low frequency electro-therapeutic apparatuss, then reduce its low-frequency high-voltage of exporting output, make its unloaded maximum voltage setting into one, two hectovolt spies, cause all on the market low frequency electro-therapeutic apparatuss at present, its low-frequency high-voltage pulse energy of exporting is obviously not enough, can't reach go deep into below the skin deep layer more make more effective massage curative effect through the cave, so that its pulse electrotherapy only reaches in cortical surface and the massage effect reached is very limited.
This shows that above-mentioned existing low-frequency electrotherapeutic device obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that the low-frequency electrotherapeutic device exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of circuit of new structure low-frequency electronic stimulatior, just becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing low-frequency electrotherapeutic device exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and Professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, circuit in the hope of the low-frequency electronic stimulatior of founding a kind of new structure, can improve general existing low-frequency electrotherapeutic device, make it have more practicality.Through constantly research, design, and, create this utility model that has practical value finally through after studying sample and improvement repeatedly.
Novel content
Main purpose of the present utility model is; overcome the defective that existing low-frequency electrotherapeutic device exists; and provide a kind of circuit of low-frequency electronic stimulatior of new structure; technical problem to be solved be make it can reach protection, do not injure human body and go deep into below the skin deep layer more make more effective electronic impulse massage curative effect through the cave, thereby be suitable for practicality more.
Another purpose of the present utility model is, a kind of circuit of low-frequency electronic stimulatior of new structure is provided, technical problem to be solved is to make it utilize special negative pulse wave, the negative voltage stabilizing output voltage of back-emf, current design, and user does not have sharp perverse sense during electrotherapy, thereby is suitable for practicality more.
A purpose more of the present utility model is, a kind of circuit of low-frequency electronic stimulatior of new structure is provided, technical problem to be solved is to make it include a timing circuit in addition, so that the output intensity of selected square wave all is to be begun to adjust by minimum when using each time, and can reach the design of protecting against shock human body, thereby be suitable for practicality more.
An also purpose of the present utility model is, a kind of circuit of low-frequency electronic stimulatior of new structure is provided, technical problem to be solved is to make it include a power supply circuit in addition, make that power supply can be with general battery or external power supply, and can use rechargeable battery, charge, thereby be suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to the circuit of a kind of low-frequency electronic stimulatior that the utility model proposes, it comprises: oscillating circuit, and it comprises a basic oscillating circuit and at least one waveform control circuit, in order to produce the seriality square wave; Second section control waveform produces circuit, in order to produce intermittent square wave; The 3rd section control waveform produces circuit, in order to produce the alternative combined type square wave of low-and high-frequency; Select and the adjustment circuit, it has an output waveform and selects circuit and one first variable resistance, and this first variable resistance is in order to adjust the output frequency of selected square wave in above-mentioned seriality square wave, intermittent square wave and the combined type square wave; And output circuit, in order to export selected square wave, this output circuit has a second adjustable resistance, in order to adjust the output intensity of selected square wave.
The purpose of this utility model and solve its technical problem and also can adopt following technical measures further to realize.
The circuit of aforesaid low-frequency electronic stimulatior, wherein said basic oscillating circuit is to be made of a squarer, and this output circuit is to include a field-effect transistor, is to be negative pulse wave to cause the selected square wave by this electricity output circuit output.
The circuit of aforesaid low-frequency electronic stimulatior, wherein said second section control waveform produce circuit and include a frequency eliminating circuit.
The circuit of aforesaid low-frequency electronic stimulatior, it includes a mu balanced circuit in addition, avoids the power supply influence of change of output circuit with the stabilizing circuit frequency.
The circuit of aforesaid low-frequency electronic stimulatior, wherein said mu balanced circuit are to have a negative pressure voltage stabilizing IC.
The circuit of aforesaid low-frequency electronic stimulatior, it includes a timing circuit in addition, for setting output time.
The circuit of aforesaid low-frequency electronic stimulatior, wherein said timing circuit include the protection mechanism that makes zero, so that the output intensity of selected square wave all is to be begun to adjust by minimum.
The circuit of aforesaid low-frequency electronic stimulatior, it includes a power supply circuit in addition.
The circuit of aforesaid low-frequency electronic stimulatior, wherein said power supply circuit include a stream translation circuit and a battery charger always.
This utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above,, mainly comprise oscillating circuit, second section control waveform generation circuit, the 3rd section control waveform generation circuit, selection and adjust circuit and output circuit according to the circuit of low-frequency electronic stimulatior of the present utility model.This oscillating circuit comprises a basic oscillating circuit and at least one waveform control circuit, in order to produce the seriality square wave.It is in order to produce intermittent square wave that second section control waveform produces circuit.It is in order to produce the alternative combined type square wave of low-and high-frequency that the 3rd section control waveform produces circuit.This selection comprises an output waveform with the adjustment circuit and selects circuit and one first variable resistance, and this first variable resistance is in order to adjust the output frequency of selected square wave in above-mentioned seriality square wave, intermittent square wave and the combined type square wave.This output circuit is in order to exporting selected square wave, and this output circuit has a second adjustable resistance, in order to adjust the output intensity of selected square wave.
Via as can be known above-mentioned, this utility model relates to a kind of circuit of low-frequency electronic stimulatior, in an oscillating circuit, constitute the fundamental oscillation circuit by a squarer, and be aided with periphery some transistors and resistance and produce first section seriality square wave, and include second section control waveform in addition and produce circuit and the 3rd section control waveform generation circuit, to produce intermittent square wave and combined type square wave respectively.Utilize one to select to select required square wave, and it have one first variable resistance, to adjust the output frequency of selected square wave with adjusting circuit.And a second adjustable resistance of an output circuit can be adjusted the output intensity of selected square wave, uses the adjustable that reaches the output of multistage square wave.When the conducting piece of this low-frequency electronic stimulatior contacted human body skin, the pulse voltage of being exported, electric current can not make us feeling tingle.
By technique scheme, its allomeric function of this utility model low-frequency electronic stimulatior has following structure feature and advantage at least:
1, this utility model is in the multistage square wave that Waveform generating circuit produced of an oscillating circuit and at least two sections controls; utilize one to select to select a suitable square wave with the adjustment circuit; be preferably negative pulse wave; first variable resistance of wherein above-mentioned selection and adjustment circuit can be adjusted the frequency of selected square wave; and has a second adjustable resistance in the output circuit; to adjust the intensity of selected square wave; reach protection, do not injure human body and go deep into below the skin the more more effective electronic impulse of doing through the cave of deep layer and massage curative effect so can adjust, thereby be suitable for practicality more.
2, this utility model this basis oscillating circuit wherein is to be made of a squarer, and this output circuit is to include a field-effect transistor (transistor is an electric crystal, below all be called transistor), to cause the selected square wave by this electricity output circuit output is to be negative pulse wave, so utilize special negative pulse wave, the negative voltage stabilizing output voltage of back-emf, current design, user does not have sharp sense during electrotherapy, thereby is suitable for practicality more.
3, this utility model includes a timing circuit in addition; this timing circuit includes the protection mechanism that makes zero; so that the output intensity of selected square wave all is to be begun to adjust by minimum when using each time, and can reach the design of protecting against shock human body, thereby be suitable for practicality more.
4, this utility model in addition also includes a power supply circuit, and it includes a stream translation circuit and a battery charger always, makes that power supply can be with general battery or external power supply, and can use rechargeable battery, charges, thereby is suitable for practicality more.
5, this utility model is for carrying type, and is very easy to use.
6, the utlity model has three kinds of differences output regulatory function of exerting oneself, be suitable for practicality.
7, the utlity model has three sections time switches selects.
8, power supply of the present utility model can be with general battery or external power supply, also available rechargeable battery, and have the function of charging.
9, the utlity model has the structural design of protecting against shock, the each unlatching used, and intensity is all begun to adjust by minimum.
10, the structural design of special negative pulse wave of the present utility model, the negative voltage stabilizing output voltage of back-emf frequency elimination, electric current, the pulse energy that user does not have the spine sense and exported when electrotherapy, during via the stalloy conducting piece of low magnetic flux contact human body skin, can go deep into hypodermicly, be very suitable for practicality through the acupuncture point.
In sum, the circuit of the low-frequency electronic stimulatior of this utility model novelty, have above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, have than much progress technically, and produced handy and practical effect, and more existing low-frequency electrotherapeutic utensil there is the multinomial effect of enhancement, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of description, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the circuit block diagram according to a kind of low-frequency electronic stimulatior of the present utility model.
Fig. 2 is the thin component figure of portion according to this low-frequency electronic stimulatior of this utility model one specific embodiment.
Fig. 3 is the sketch map according to first section output waveform of the circuit of this utility model low-frequency electronic stimulatior.
Fig. 4 is the sketch map according to second section output waveform of the circuit of this utility model low-frequency electronic stimulatior.
Fig. 5 is the sketch map according to the 3rd section output waveform of the circuit of this utility model low-frequency electronic stimulatior.
10: oscillating circuit U2: squarer
Q1, Q2, Q3, Q5, Q8: transistor R5, R14, R21, R22: resistance
C4: 20: the second sections control waveforms of electric capacity produce circuit
U3a, U3b: inverted logic lock U4a: frequency eliminating circuit
R27, R28, R30: resistance C6: electric capacity
Q10: 30: the three sections control waveforms of transistor (electric crystal) produce circuit
U3c, U3d: inverted logic lock U4b: frequency eliminating circuit
R42, R43: resistance C13: electric capacity
40: select and adjustment circuit 41: output waveform is selected circuit
SW1: selector switch VR2: first variable resistance
50: output circuit VR1: the second adjustable resistance
Q6: field-effect transistor (effect electric crystal) 60: mu balanced circuit
U1: the steady IC 70 of negative pressure: timing circuit
U6: voltage stabilizing IC U8: seasonal pulse oscillating crystal
U9a, U9b: comparator Q11: transistor (electric crystal)
SW3: timing selecting switch 80: power supply circuit
U6: steady IC Q9: field-effect transistor (effect electric crystal)
D2: Schottky barrier diode L1: inducer
R26, R29, R31: resistance R 34, R36, R39: resistance
C8, C9, C10, C11: electric capacity Q12: transistor (electric crystal)
ZD1: zener diode
The specific embodiment
For further setting forth this utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of circuit, structure, feature and effect thereof according to the low-frequency electronic stimulatior that the utility model proposes, describe in detail as after.
This utility model is the circuit that discloses the low-frequency electronic stimulatior of a kind of energy multistage and negative pulse wave, back-emf output voltage and electric current.Fig. 1 is the circuit block diagram for this low-frequency electronic stimulatior, and Fig. 2 is the thin component figure of portion of this low-frequency electronic stimulatior in one embodiment.Now describe in detail as after.
See also shown in Figure 1, the circuit of the low-frequency electronic stimulatior of this utility model preferred embodiment, comprise mainly that oscillating circuit 10, second section control waveform produce circuit 20, the 3rd section control waveform produces circuit 30, selects and adjustment circuit 40 and output circuit 50, wherein:
This oscillating circuit 10 comprises a basic oscillating circuit and at least one waveform control circuit, in order to produce seriality square wave (as shown in Figure 3).As shown in Figure 2, this basis oscillating circuit is to be made of a squarer U2, and connects resistance R 14, R21, capacitor C 4 producing basic pulse wave, this waveform control circuit constitute transistor Q1, Q2, Q3, Q5, Q8 and suitable resistance.In the present embodiment, this oscillating circuit 10 comprises LED light LED1 and indicating circuit thereof in addition.
This second section control waveform produces circuit 20, and it is in order to produce intermittent square wave (as shown in Figure 4).As shown in Figure 2, in one embodiment, the square wave generation circuit that this second section control waveform produces circuit 20 is made of inverted logic lock U3a, U3b, resistance R 27, R30 and capacitor C 6.Preferably, this second section control waveform produces circuit 20 and includes a frequency eliminating circuit U4a, to revise intermittent square wave, obtains being close to the output of 50% dutycycle.
The 3rd section control waveform produces circuit 30, is in order to produce the alternative combined type square wave of low-and high-frequency (as shown in Figure 5).As shown in Figure 2, in one embodiment, the square wave generation circuit of the 3rd section control waveform generation circuit 30 is made of inverted logic lock U3c, U3d, resistance R 42, R43 and capacitor C 13.Preferably, the 3rd section control waveform produces circuit 30 and comprises a frequency eliminating circuit U4b in addition, and to produce the lower square wave of frequency, its each positive-negative half-cycle time can transfer to 1～5 second.
See also shown in Figure 2ly, this is selected and adjusts circuit 40, is to have an output waveform to select circuit and one first variable resistance VR2.Wherein, it is to have a selector switch SW1 that this output waveform is selected circuit, one of them that can select above-mentioned seriality square wave, intermittent square wave and combined type square wave selects three kinds of different output waveforms to select with the multisection type that reaches output wave as output wave so can switch.And this first variable resistance VR2 is in order to adjust the output frequency of selected square wave in above-mentioned seriality square wave, intermittent square wave and the combined type square wave.In addition, this selection can comprise a time adjusting circuit in addition with adjustment circuit 40.
This output circuit 50 is in order to exporting selected square wave, and this output circuit 50 is to have a second adjustable resistance VR1, in order to adjust the output intensity of selected square wave.This output circuit 30 is to connect members such as the adjustment of exerting oneself, output promotion, booster circuit, accessory power outlet.
Preferably, by this squarer U2, and this output circuit 50 is to include a field-effect transistor (FET) Q6, is to be negative pulse wave (as Fig. 3, Fig. 4 and output wave shown in Figure 5) to cause the selected square wave by 50 outputs of this electricity output circuit.Because output intensity is to be adjusted by this second adjustable resistance VR1, be connected to field-effect transistor (FET) Q6 again and promote booster transformer output, the first variable resistance VR2 replacement that cooperates timing circuit 70 can remind user will adjust output frequency is made zero or this selector switch SW1 switches to the initial position of first section continuous pulse wave.
See also shown in Figure 1ly, the circuit of this low-frequency electronic stimulatior in addition can include a mu balanced circuit 60, and it is to have a negative pressure voltage stabilizing IC (as shown in Figure 2), avoids the power supply influence of change of output circuit 50 with the stabilizing circuit frequency.
In addition, the circuit of this low-frequency electronic stimulatior can include a timing circuit 70 in addition, for setting output time.Preferably; wherein this timing circuit 70 is to include the protection mechanism that makes zero; as shown in Figure 2; its formation can include members such as voltage stabilizing ICU6, seasonal pulse oscillating crystal U8, comparator U9a, U9b, transistor Q11, timing selecting switch SW3 and peripheral resistance, electric capacity, so that the output intensity of selected square wave all is to be begun to adjust by minimum.This timing circuit 70 is to connect members such as comprising regularly selection, timing controlled, startup, halt circuit, power supply indication LED.Intervalometer picks up counting when power source ON, closes automatically till selected time of user; Desire during this time to open again, then must turn off power supply earlier and restart the power supply start again, just can restart.This structural design is to protect user, guarantees each use that starts, and output intensity is all begun to adjust by minimum.Selection of time is to be divided into three sections of short S, middle M, long L, short about 15 minutes, in about 30 minutes, be about 60 fens.
In the present embodiment, the circuit of this low-frequency electronic stimulatior also includes a power supply circuit 80 in addition.As shown in Figure 2, this power supply circuit 80 is to include a stream translation circuit and a battery charger always, makes that power supply can be with general battery or external power supply, and can use rechargeable battery, charges.Wherein, this DC converting circuit is DC TO DC, constituted by voltage stabilizing IC U5, field-effect transistor (FET) Q9, Schottky barrier diode D2, inducer L1, resistance R 26, R29, R31 and capacitor C 8, C9, C10, C11, in order to become 9V (volt) power supply road system to use on battery (boosting) or external power supply voltage transitions by 3V～4.5V.This charging circuit simply is made of transistor Q12, zener diode ZD1 and resistance R 34, R36, R39 in addition, in order to limit charging voltage and the electric current to battery.
In the circuit of low-frequency electronic stimulatior in the present embodiment, when selecting the square wave of seriality as shown in Figure 3 that is produced by oscillating circuit 10, by adjusting the first variable resistance VR2 to change voltage, via selector switch SW1 and resistance R 5 with the internal resistance that changes transistor Q3 and then the frequency of oscillation of modulation squarer U2, the time of its output waveform ON is fixed one thousandth point one second (1.1MS), the time of ON+OFF is adjustable, by 1.2Hz to 54Hz.
When selecting the intermittent square wave as shown in Figure 4 that is produced by second section control waveform generation circuit 20, adjust the first variable resistance VR2 to change voltage, change the internal resistance of transistor Q10 to change its frequency of oscillation via selector switch SW1 and resistance R 28.Because the square wave that produced of oscillating circuit 10 dutycycle of section maintenance 50% entirely in its scope of adjusting, so its output is again via the correction of frequency eliminating circuit U4a, to obtain being close to the square-wave pulse sequence of 50% dutycycle, its output signal is come the frequency of oscillation of controlling party baud generator U2 to produce discontinuity wave through selector switch SW1 and resistance R 22 by transistor Q8; Width=1.1MS of T1, T1+T2=0.185S (54Hz), T3=T4=0.2S～2S; That is be that time of T1 and T1+T2 is fixed, the time of T3, T4 is equally long and can adjust its length, by convertible between 0.2 second to 2 seconds.
When selecting the alternative complex wave of high/low as shown in Figure 5 frequency that is produced by the 3rd section control waveform generation circuit 30, utilize frequency eliminating circuit U4b to produce the lower square-wave pulse sequence of a frequency, each positive-negative half-cycle all be 1 to 5 second adjustable, the circuit that the output of its square-wave pulse sequence is formed via selector switch SW1 and resistance R 7 control transistor Q1 and resistance R 8, controlled frequency is in 54Hz (this is the T5 part of Fig. 5) when negative half period; Transistor Q1 OFF (this be the T6 part of Fig. 5) during positive half cycle, the frequency of oscillation of coming controlling party baud generator U2 by transistor Q2, Q7, resistance R 4, circuit that R9, R10, R16 and R17 formed again at this moment is to produce 5 pulse waves; Time changes by 1 second to 5 seconds, and basic wave is identical with first section the fastest frequency; Waveform in the T5 is the same with first section T1, T2, and the time of its ON of waveform that T6 is interior is identical with T1, and keeps 5, from the most slowly to the fastest 5 pulse waves (its error ± 1 pulse wave) of all keeping as far as possible.More than three kinds of output frequencies all adjust control by the first variable resistance VR2.
Therefore, low-frequency electronic stimulatior of the present utility model, its control circuit is to constitute the fundamental oscillation circuit by a squarer U2 on the whole, adds transistor such as Q1, Q2, Q3, Q5, Q8 and the resistance forming circuit of upper periphery, is used for controlling party wave frequency and dutycycle; Control second section and the 3rd section waveform output of fundamental oscillation circuit more respectively by two long squarers 20,30, this output waveform and frequency are controlled by the selector switch SW1 and the first variable resistance VR2 respectively, output intensity is then adjusted by the second adjustable resistance VR1, is connected to field-effect transistor (FET) Q6 again and promotes booster transformer output.
The above, it only is preferred embodiment of the present utility model, be not that this utility model is done any pro forma restriction, though this utility model discloses as above with preferred embodiment, yet be not in order to limit this utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (9)
1, a kind of circuit of low-frequency electronic stimulatior is characterized in that it comprises:
Oscillating circuit, it comprises a basic oscillating circuit and at least one waveform control circuit, in order to produce the seriality square wave;
Second section control waveform produces circuit, in order to produce intermittent square wave;
The 3rd section control waveform produces circuit, in order to produce the alternative combined type square wave of low-and high-frequency;
Select and the adjustment circuit, it has an output waveform and selects circuit and one first variable resistance, and this first variable resistance is in order to adjust the output frequency of selected square wave in above-mentioned seriality square wave, intermittent square wave and the combined type square wave; And
Output circuit, in order to export selected square wave, this output circuit has a second adjustable resistance, in order to adjust the output intensity of selected square wave.
2, the circuit of low-frequency electronic stimulatior according to claim 1, it is characterized in that wherein said basic oscillating circuit is to be made of a squarer, and this output circuit is to include a field-effect transistor, is to be negative pulse wave to cause the selected square wave by this electricity output circuit output.
3, the circuit of low-frequency electronic stimulatior according to claim 1 is characterized in that wherein said second section control waveform produces circuit and include a frequency eliminating circuit.
4, the circuit of low-frequency electronic stimulatior according to claim 1 is characterized in that it includes a mu balanced circuit in addition, avoids the power supply influence of change of output circuit with the stabilizing circuit frequency.
5, the circuit of low-frequency electronic stimulatior according to claim 4 is characterized in that wherein said mu balanced circuit is to have a negative pressure voltage stabilizing IC.
6, the circuit of low-frequency electronic stimulatior according to claim 1 is characterized in that it includes a timing circuit in addition, for setting output time.
7, the circuit of low-frequency electronic stimulatior according to claim 6 is characterized in that wherein said timing circuit includes the protection mechanism that makes zero, so that the output intensity of selected square wave all is to be begun to adjust by minimum.
8, the circuit of low-frequency electronic stimulatior according to claim 1 is characterized in that it includes a power supply circuit in addition.
9, the circuit of low-frequency electronic stimulatior according to claim 8 is characterized in that wherein said power supply circuit includes a stream translation circuit and a battery charger always.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620002384 CN2880145Y (en) | 2006-02-23 | 2006-02-23 | Circuit of low frequency electric stimulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620002384 CN2880145Y (en) | 2006-02-23 | 2006-02-23 | Circuit of low frequency electric stimulation |
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| Publication Number | Publication Date |
|---|---|
| CN2880145Y true CN2880145Y (en) | 2007-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620002384 Expired - Fee Related CN2880145Y (en) | 2006-02-23 | 2006-02-23 | Circuit of low frequency electric stimulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104606783A (en) * | 2015-02-13 | 2015-05-13 | 杨阳 | Intelligent electric acupuncture apparatus, intelligent terminal and amplifying circuit of intelligent electric acupuncture apparatus |
| CN104623802A (en) * | 2015-02-02 | 2015-05-20 | 深圳大学 | Treatment waveform generation device and medium-frequency electrotherapy therapeutic apparatus |
-
2006
- 2006-02-23 CN CN 200620002384 patent/CN2880145Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623802A (en) * | 2015-02-02 | 2015-05-20 | 深圳大学 | Treatment waveform generation device and medium-frequency electrotherapy therapeutic apparatus |
| CN104606783A (en) * | 2015-02-13 | 2015-05-13 | 杨阳 | Intelligent electric acupuncture apparatus, intelligent terminal and amplifying circuit of intelligent electric acupuncture apparatus |
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| 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: 20070321 |