CN105709332A - Frequency-spectrum type electrizer and control method therefor - Google Patents
Frequency-spectrum type electrizer and control method therefor Download PDFInfo
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- CN105709332A CN105709332A CN201410730040.1A CN201410730040A CN105709332A CN 105709332 A CN105709332 A CN 105709332A CN 201410730040 A CN201410730040 A CN 201410730040A CN 105709332 A CN105709332 A CN 105709332A
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Abstract
The invention discloses a frequency-spectrum type electrizer and a control method therefor. A central processor provides a control signal for controlling the switching operation of an output driver, so as to generate an output voltage, thereby controlling the output characteristics of the frequency-spectrum type electrizer. The central processor takes a central frequency f0 as the reference for the control signal provided by a corresponding switch unit, defines the bandwidth of the central frequency f0 through a difference delta f, and respectively defines the next change time points of the central frequency f0 and the difference delta f through a first time interval t1 and a second time interval t2, wherein the values of the central frequency f0, the difference delta f, the first time interval t1 and the second time interval t2 are different values generated by a dynamic parameter generation unit at different time points. Therefore, electric stimulation energy generated by the electrizer can be used for the complete stimulation of a human tissue in a no-leakage manner.
Description
Technical field
The present invention relates to a kind of electrizer and control method thereof, particularly relate to a kind of frequency spectrum formula electrizer and control method thereof.
Background technology
Acupuncture traditionally, massage etc. stimulate human's collateral channels and acupoints to reach the therapeutic modality of curative effect, along with under scientific and technological progress and development, a kind of stimulate human's collateral channels and acupoints by output voltage and the electrizer of same curative effect can be reached and be developed, in order to provide user different selection.
Electrizer can be divided into three kinds of patterns: low frequency (below 1kHz), intermediate frequency (1kHz～100kHz) and high frequency (more than 100kHz).Common is low frequency and intermediate frequency therapy apparatus on the market, low frequency is such as: transcutaneous electric nerve stimulation (TranscutaneousElectricalNerveStimulation, TENS), muscle electric stimulation (ElectricalMuscleStimulation, EMS)；Intermediate frequency is such as: vector interference current therapy device, intermediate frequency Modulation electrizer etc..
Electrotherapy is to stimulate the nerve of human body, muscle and cell by the suitable signal of telecommunication (depending on the parameters such as voltage strength, frequency, duty cycle DutyCycle, stimulation time), and it is the therapeutic modality that a kind of acupuncture theory combining doctor trained in Western medicine rehabilitative medicine engineering and the traditional Chinese medical science is derived.According to the scientific principle of the traditional Chinese medical science and doctor trained in Western medicine rehabilitative medicine, acupuncture point has its certain degree of depth and scope in human body below skin surface.
Output signal is imported human body through human body skin by electrizer, and human body skin in impedance operator electrically based on " Xc ", in other words, the equivalent characteristic of human body skin is extremely approximate with " capacitor ", thus may be used to lower mathematics formula and describe: Xc=1/ ω c, ω=2 π f, wherein f is frequency, Xc is Xc, and frequency and Xc are inversely proportional to.Therefore, if the signal frequency of electrizer output is more high, then the impedance of human body skin is more low, and the signal of output just can go deep into tissue；Otherwise, when the output signal frequency of electrizer is more low, the impedance of human body skin is more high, and namely output signal cannot go deep into tissue and be only capable of acting on skin surface.
Accordingly, the depth of interaction of electrizer is determined by the frequency of output signal, existing electrizer is all only capable of making carrier wave have a fixing frequency during electrotherapy effect, and for example in " one group " output of vector interference current apparatus, owing to being intended to reach interference effect (for preventing human body for having the self-adaptation of the output voltage being completely fixed frequency), so in two outputs of this group, its frequency values must closely to reach interference effect, therefore in the analysis of depth of interaction, still fall within produced electrotherapeutic effect under the change of little range frequencies, in use for some time, although human body can be extended for the time needed for the self-adaptation of output voltage, but eventually it is still and can be accommodated.
Therefore existing electrizer is limited to the design of carrier frequency, all it is only capable of fixing a depth of interaction (from skin depth below) and cannot changing during electrotherapy effect, cause that other regions beyond the zone of action cannot fully be stimulated, for example, existing electrizer is fixed because of carrier frequency, therefore all have it limited at depth of interaction and scope, make electrotherapy procedure is only capable of to stimulate to the acupuncture point of certain certain depth or ache a little, and cannot completely stimulate to other adjacent and acupuncture points of different depth or ache a little.On the other hand, owing to electrotherapy produces effect of stimulation by having the output voltage of frequency, as in the previous paragraph, for human body, after identical frequency or the little frequency of difference continue for some time, human body often oneself is adapted to this frequency of adaptation and causes that the effect of stimulation of electrotherapy is greatly reduced, vector interference current apparatus is that the mode overcoming fixing pulse frequency easily to be adapted to by human body adopt two frequencies to interfere with each other is to block the self-adaptation mechanism of human body, but vector interference current apparatus still also exists depth of interaction, sphere of action and use time one length are still the problem that can be adapted to by human body, and the output of two groups also there is electrizer build that cost is high and the shortcoming of high power consumption etc..
Furthermore, the impulse waveform that the speed that existing electrizer often all switchs because of switching when output voltage produces results in not soon is obvious not, and then impact is by the effect of electricity irritation；And existing electrizer is to control pulse strength (voltage swing) upper owing to being directly the variable resistance of switch element formation itself is adjusted, often result in and be difficult to reach when electrizer needs the adjustment of slight change, in turn result in user and not easily adjust to suitable electricity irritation degree (i.e. voltage swing)；And existing electrizer easily produces waste heat on switch element and causes that the operating temperature of electrizer often remains high, these shortcomings are all that improvement part needed badly by electrizer now.
Summary of the invention
It is an object of the present invention to give up the pulse signal of in the past intrinsic " single-frequency " formula, and change in the way of " frequency spectrum ", produce seriality and the voltage signal being continually changing, and then overcome the problem that the adaptivity problem of signal frequency and depth of interaction and scope cannot extend by human body.
For reaching above-mentioned purpose and other purposes, the present invention proposes a kind of frequency spectrum formula electrizer, control signal is provided to give the switch element of output driver by central processing unit, make the voltage source that the power supply unit being connected with this output driver provides can produce output voltage via the switch motion of this output driver, this output voltage is sent to the electrode slice group being connected with this output driver to produce the output of this frequency spectrum formula electrizer, and this control signal that this central processing unit provides for corresponding switch element is with central frequency f0For benchmark, define this central frequency f with difference DELTA f0Bandwidth, and define this central frequency f with very first time interval t10Next time change time point, the next time defining this difference DELTA f with the second interval t2 changes time point, wherein this central frequency f0, this difference DELTA f, this very first time interval t1 and this second interval t2 each numerical value by the running according to dynamic parameter generation unit of this central processing unit, to produce this control signal by the numerical value of constantly variation for this central processing unit during the running of this output driver.Whereby, the present invention can reach a large amount of carrier waves change in the short time by the operational capability of central processing unit now, for instance exported the carrier wave of thousands of different frequency in 1～2 second.
In one embodiment of the invention, by this central frequency f0And this difference DELTA f's and this control signal of forming controlled to shake between 1k～100kHz by this central processing unit.So, region by electricity irritation can be risen from electrode slice group and contact skin place extend toward tissue internal layer, form a kind of broad area electricity irritation repeatedly so that in tissue the acupuncture point of different depth, focus or ache a little also can by stimulation fully to and do not omit.
For reaching above-mentioned purpose and other purposes, the control method of the frequency spectrum formula electrizer of the present invention provides control signal to give the switch element of output driver by central processing unit, make the voltage source that the power supply unit being connected with this output driver provides can produce output voltage via the switch motion of this output driver, this output voltage is sent to the electrode slice group being connected with this output driver to produce the output of this frequency spectrum formula electrizer, and this control method comprises: this control signal is with central frequency f0For benchmark, define this central frequency f with difference DELTA f0Bandwidth, and define this central frequency f with very first time interval t10Next time change time point, the next time defining this difference DELTA f with the second interval t2 changes time point, produces this control signal by the numerical value of constantly variation for this central processing unit during the running of this output driver, wherein, this central frequency f0, this difference DELTA f, this very first time interval t1 and this second interval t2 each numerical value produced according to the running of dynamic parameter generation unit by this central processing unit.
Another object of the present invention is to the speed of action of acceleration switch assembly, so that the signal waveform exported all can have a rapid-action characteristic at upper lower edge, and then by reducing switch module gradual process when closed because of waste heat produced by the increase of power consumption.
For reaching above-mentioned purpose and other purposes, the output driver of the present invention comprises: switch accelerator module, its input connects this central processing unit to receive this control signal, and this switch accelerator module is made up of the electric capacity being connected in parallel mutually and resistance；And switch element, connect this switch accelerator module, this power supply unit and this electrode slice group, whether this voltage source carrying out receiving to respond this control signal exports this switch motion to this electrode slice group, wherein, the central frequency f of this control signal0And the relation between the resistance value R of the capacitance C of this electric capacity of this switch accelerator module and this resistance meets (1/f0) < 5RC.Whereby, the composition of this switch accelerator module can when this control signal makes this switch accelerator module close, the electricity accumulated when opening in advance by electric capacity forms negative voltage at the control end of switch element accordingly, with the closing motion of acceleration switch unit, and then switch module gradual process (when not applying negative voltage) when closed can be greatly decreased because of waste heat produced by the increase of power consumption.
In one embodiment of the invention, this output driver can be forward-type driver or full-bridge type driver.Wherein, under the configuration of forward-type driver, this single switch element directly drives the voltage transformation unit in the electrode slice group of correspondence；Under the configuration of full-bridge type driver, the switch element that this output driver comprises is four, divide into two switches set, the input side of these switches set connects this central processing unit, the outlet side of one switches set connects the positive terminal of the voltage transformation unit of this electrode slice group, the outlet side of another switches set connects the negative pole end of this voltage transformation unit, each switches set comprises: two these switch elements, respectively the first switch element and second switch unit, the input of this first switch element connects this power supply unit, the outfan of the first switch element connects input and this voltage transformation unit of this second switch unit, the output head grounding of second switch unit；And this switch accelerator module, this switch accelerator module connects the control end of this second switch unit, and this switch accelerator module also connects with this central processing unit and controls this second switch unit receiving corresponding control signal.
In one embodiment of the invention, more can comprising another this switch accelerator module in each switches set further, it is in order to connect the control end of this first switch element and to be connected with this central processing unit, and the control signal to receive correspondence controls this first switch element；And each switch element comprises transistor and the stable diode being parallel between the collector of this transistor and emitter-base bandgap grading and stably with electric capacity, wherein the transistor of this first switch element is P-type semiconductor, and the transistor of this second switch unit is N-type semiconductor.
Another object of the present invention is in that to make electrizer can carry out trickleer Voltage Cortrol.
For reaching above-mentioned purpose and other purposes, this power supply unit of the present invention comprises power generators and exports strong and weak leading device (OutputValueLeader, OVL), this power generators carries out modulation in order to output rated voltage for the strong and weak leading device of this output, the strong and weak leading device of this output comprises: the first rank adjustment unit, receive this rated voltage, to provide the Voltage Cortrol of first stage by internal variable resistance and to produce output；And multiple second-order adjustment unit, all connect this first rank adjustment unit to receive its output, provide the Voltage Cortrol of second stage by internal variable resistance and produce to export the output driver giving correspondence.Whereby, two stage resistance value control is carried out by the part of the power supply unit at electrizer, electrizer can be made to control to be issued to trickleer Control of Voltage in the operation of knob (adjustment variable resistance), and then make the frequency spectrum formula electrizer of the present invention can provide user more accurate output voltage.
Another object of the present invention is in that further to lower the generation source of heat.
For reaching above-mentioned purpose and other purposes, in this output driver of the present invention, this switch element is transistor, does not have any resistance between the collector of this transistor and base stage, and this transistor is contactor assembly.Whereby, in the output driver of the frequency spectrum formula electrizer of the present invention, the pure running of each switch is contactor assembly, if acting as rheostat (size of its resistance and the collected current of this transistor are inversely proportional to) with the configuration mode with load in series by the characteristic of transistor as not existing electrizer, and then can further avoid switching because of heat produced by too much power consumption.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the frequency spectrum formula electrizer in one embodiment of the invention.
Fig. 2 A is the circuit configuration schematic diagram of output driver and electrode slice group in one embodiment of the invention.
Fig. 2 B is the circuit configuration schematic diagram of output driver and electrode slice group in another embodiment of the present invention.
Fig. 3 A is the circuit configuration schematic diagram of the frequency spectrum formula electrizer having forward-type drive circuit in one embodiment of the invention.
Fig. 3 B is the circuit configuration schematic diagram of the frequency spectrum formula electrizer having full-bridge type drive circuit in one embodiment of the invention.
Fig. 3 C is the circuit configuration schematic diagram of the frequency spectrum formula electrizer having full-bridge type drive circuit in another embodiment of the present invention.
Fig. 4 is the circuit configuration schematic diagram that in yet another embodiment of the invention, power supply unit tool exports strong and weak leading device (OVL).
Fig. 5 is the circuit configuration schematic diagram of output driver in yet another embodiment of the invention.
Critical piece accompanying drawing labelling:
100 central processing units
200 output drivers
210 switch accelerator modules
220 switch elements
300 power supply units
310 power generators
320 export strong and weak leading device
321 first rank adjustment units
322 second-order adjustment units
400 electrode slice groups
410 voltage transformation unit
420 electrode slices
VDDRated voltage
The capacitance of the electric capacity in C switch accelerator module
C1 electric capacity
D1 diode
R switchs the resistance value of the resistance in accelerator module
S control signal
O output voltage
P voltage source
Q-switch unit
Q1～Q4 switch element (transistor)
Detailed description of the invention
For being fully understood by the purpose of the present invention, feature and technique effect, hereby by following specific embodiment, and in conjunction with accompanying drawing, the present invention is elaborated, illustrates as follows:
Refer to Fig. 1, it is the functional block diagram of the frequency spectrum formula electrizer in one embodiment of the invention.The frequency spectrum formula electrizer of the present invention comprises: central processing unit 100, output driver 200, power supply unit 300 and electrode slice group 400.
Control signal S is provided to give the switch element in output driver 200 by central processing unit 100, make the voltage source P that the power supply unit 300 being connected with output driver 200 provides can produce output voltage O via the switch motion of this output driver 200, this output voltage O is sent to the electrode slice group 400 being connected with output driver 200 to form the output that continuous print frequency is continually changing, and this electrode slice group 400 has the electrode slice being pasted on user skin so that this user is formed a kind of electrotherapeutic effect by this output.
The control of this control signal S is operated output driver 200 by this central processing unit by the frequency spectrum formula electrizer of the present invention accordingly.This control signal S is with central frequency f0For benchmark, define this central frequency f with difference DELTA f0Bandwidth, and define this central frequency f with very first time interval t10Next time change time point, the next time defining this difference DELTA f with the second interval t2 changes time point.Very first time interval t1 and the second interval t2 defines the frequency range position of this control signal S and the change time point of amount of bandwidth, when this very first time interval t1 and this second interval t2 the two numerical value can make the change of this control signal S more complicated further when all constantly changing and is difficult to be adapted to by human body autonomy.Wherein, during the running of this output driver 200, this central processing unit 100 produces the f of constantly variation by dynamic parameter generation unit (not shown)0, the numerical value such as Δ f, t1 and t2 is for producing this control signal S.This dynamic parameter generation unit for example can be stored in the multiple computing functions in this central processing unit 100 or being stored in another bin provides these functions to carry out computing to produce this control signal S for this central processing unit 100.Wherein, f0, Δ f, the numerical value such as t1 and t2 can provide the seriality in parameter to change according to respective function, for example, each function can taking by different matrixes, produce the parameter changed at any time, a such as function first sequentially substitutes into the independent variable matrix of (parameter forming " seriality ") 1 to 50, sequentially substitute into the independent variable matrix of 50 to 1 again, then other independent variable matrixes are changed, such as this function then sequentially substitutes into the independent variable matrix of 1 to 30, sequentially substitute into the independent variable matrix of 30 to 1 again, and the quantity of the data that can be substituted into function in each matrix again can be different according to the difference of t1 and t2.In brief, namely such function mode can produce the continuous output of the complete energy constantly changed, make in tissue the acupuncture point of different depth, focus or ache a little also can be stimulated fully and arrive, and this control signal S more can be allowed not easily to be remembered its rule by human body, in a preferred embodiment, this control signal S is controlled to occur without at least one Preset Time (such as 10 minutes) rule of repetition.
In an embodiment, with the electrotherapy scope of intermediate frequency, the frequency spectrum formula electrizer of the present invention can operate between 1k～100kHz, and it makes this central frequency f0Controlled in certain concussion scope by this central processing unit 100 with this control signal S formed with this difference DELTA f's.
Then refer to Fig. 2 A, it is the circuit configuration schematic diagram of output driver and electrode slice group in one embodiment of the invention.In this embodiment, this output driver 200 comprises: switch accelerator module 210 and switch element 220.
The input of this switch accelerator module 210 connects this central processing unit 100 to receive this control signal S, and this switch accelerator module 210 is made up of the electric capacity being connected in parallel mutually and resistance.This switch element 220 connects this switch accelerator module 210, this power supply unit 300 and this electrode slice group 400, to respond whether this control signal S this voltage source P carrying out receiving exports this switch motion to this electrode slice group 400.
The particular arrangement of the present invention is: the central frequency f of this control signal S0And the relation between the resistance value R of the capacitance C of this electric capacity of this switch accelerator module 210 and this resistance meets (1/f0) < 5RC, when meeting this formula, the electric capacity being connected in parallel mutually and resistance significantly shorten allowing the shut-in time (decrease speed of signal lower edge) needed for switch element 220, its be because of the present invention this configuration under when the closing control that this control signal S is low-voltage, switch element 220 can be produced the applying of negative voltage by this electric capacity, and then equal to the shutoff effect providing a reverse blas and this switch element 220 to form adding pressure type.
Then refer to Fig. 2 B, it is the circuit configuration schematic diagram of output driver and electrode slice group in another embodiment of the present invention.In the frequency spectrum formula electrizer of the present invention, can be used for producing the output organizing passage more, each channel can comprise, according to the difference of circuit design, the output driver 200 that quantity does not wait, with Fig. 2 A, it is the circuit configuration that a kind of forward-type drives, and the output of single channel can only use single output driver 200；The circuit that Fig. 2 B drives with a kind of full-bridge type configures exemplarily, and one channel comprises four output drivers 200.In addition, each output driver 200 is owing to all comprising switch element, therefore each output driver 200 is all controlled by the corresponding control signal S1～S4 (for Fig. 2 B) provided of this central processing unit 100, and each passage uses the output of power supply unit 300.
Then refer to Fig. 3 A, it is the circuit configuration schematic diagram of the frequency spectrum formula electrizer having forward-type drive circuit in one embodiment of the invention.One end of switch element 220 is ground connection, the other end connects electrode slice group 400, the other end of this electrode slice group 400 then connects the output of power supply unit 300, so when switch element 220 is for conducting, (such as this control signal S is high levels) can provide a ground connection, and the loop that the output of this power supply unit 300 can be passed through to be formed provides to this electrode slice group 400；Otherwise, when switch element 220 is for closing (such as this control signal S is low level), then interrupt the loop formed, the output of this power supply unit 300 cannot provide to this electrode slice group 400, forms output voltage whereby.
Then refer to Fig. 3 B, it is the circuit configuration schematic diagram of the frequency spectrum formula electrizer having full-bridge type drive circuit in one embodiment of the invention.The switch element 220 that this output driver 300 comprises is four, divide into two switches set, the input side of these switches set connects this central processing unit 100 and carries out the switching of this switch motion in order to be controlled by this central processing unit 100, the outlet side of one switches set (Q1, Q2) connects the positive terminal of the voltage transformation unit 410 of this electrode slice group 400, the outlet side of another switches set (Q3, Q4) connects the negative pole end of this voltage transformation unit 410, and each switches set comprises: two these switch elements 220 (Q1 and Q2, Q3 and Q4) and this switch accelerator module 210.Two this switch element 220 respectively the first switch elements (Q1, Q3) and second switch unit (Q2, Q4), the input of this first switch element (Q1, Q3) connects this power supply unit 300, the outfan of the first switch element (Q1, Q3) connects input and this voltage transformation unit 410 of this second switch unit (Q2, Q4), and the outfan of second switch unit (Q2, Q4) is connected to ground connection.This switch accelerator module 210 connects the control end of this second switch unit (Q2, Q4), this switch accelerator module 210 is also connected with this central processing unit 100, and the control signal (S2, S4) to receive correspondence controls this second switch unit (Q2, Q4).
Then refer to Fig. 3 C, it is the circuit configuration schematic diagram of the frequency spectrum formula electrizer having full-bridge type drive circuit in another embodiment of the present invention.The present embodiment exemplifies two-part further additional technical feature, one is that each switches set (Q1 and Q2, Q3 and Q4) also can comprise: another this switch accelerator module 210, connecting the control end of this first switch element (Q1, Q3) and be connected with this central processing unit 100, the control signal to receive correspondence controls this first switch element (Q1, Q3).Another technical characteristic is: each switch element comprises transistor (Q1 and Q2, Q3 and Q4) and the stable diode D1 being parallel between the collector of this transistor and emitter-base bandgap grading and stably uses electric capacity C1, wherein the transistor of this first switch element (Q1, Q3) is P-type semiconductor, and the transistor of this second switch unit (Q2, Q4) is N-type semiconductor.Wherein, stable diode D1 in parallel thus can the collector of limit transistor Q1～Q4 to the voltage between emitter-base bandgap grading between 0.6V～input supply voltage+0.6V, and when the primary of voltage transformation unit 410 enclose produce inverse electromotive force in input voltage change time, this is stable is available for inverse electromotive force bypass to prevent transistor Q1～Q4 from damaging with diode D1；Stable electric capacity C1 in parallel can reduce transistor Q1～Q4, this is stably with the on-off action noise of diode D1, and its capacitive reactance is relatively low, thus high-frequency noise can be provided to enter the stable electric capacity C1 as bypass, can prevent transistor Q1～Q4 from causing temperature to improve because of high-frequency noise.
Then refer to Fig. 4, it is the circuit configuration schematic diagram that in yet another embodiment of the invention, power supply unit tool exports strong and weak leading device (OVL).This power supply unit 300 comprises power generators 310 and exports strong and weak leading device 320, and this power generators 310 is in order to output rated voltage VDD(such as 5V) carries out modulation for the strong and weak leading device 320 of this output, and the strong and weak leading device 320 of this output comprises: the first rank adjustment unit 321 and multiple second-order adjustment unit 322.First rank adjustment unit 321 receives this rated voltage VDD, to provide the Voltage Cortrol of first stage by internal variable resistance and to produce output；These second-order adjustment units 322 all connect this first rank adjustment unit 321 to receive its output, and each second-order adjustment unit 322 provides the Voltage Cortrol of second stage by internal variable resistance and produces to export the output driver 200 giving correspondence.
Then refer to Fig. 5, it is the circuit configuration schematic diagram of output driver in yet another embodiment of the invention, it does not have any resistance between the collector and base stage of this transistor of switch element 220, this transistor is contactor assembly, the pure running of each switch is contactor assembly, if acting as rheostat (size of its resistance and the collected current of this transistor are inversely proportional to) with the configuration mode with load in series by the characteristic of transistor as not existing electrizer, and then can further avoid switching because of heat produced by too much power consumption.
The present invention discloses with preferred embodiment hereinbefore, but it will be understood by those skilled in the art that this embodiment is only for describing the present invention, and is not construed as restriction the scope of the present invention.It should be noted that every change equivalent with this embodiment and displacement, it is regarded as being covered by scope of the invention.Therefore, protection scope of the present invention ought be as the criterion with the content that claims limit.
Claims (12)
1. a frequency spectrum formula electrizer, control signal is provided to give the switch element of output driver by central processing unit, make the voltage source that the power supply unit being connected with this output driver provides can produce output voltage via the switch motion of this output driver, this output voltage is sent to the electrode slice group being connected with this output driver to produce the output of this frequency spectrum formula electrizer, it is characterised in that:
This control signal that this central processing unit provides for corresponding switch element is with central frequency f0For benchmark, define this central frequency f with difference DELTA f0Bandwidth, and define this central frequency f with very first time interval t10Next time change time point, the next time defining this difference DELTA f with the second interval t2 changes time point, wherein this central frequency f0, this difference DELTA f, this very first time interval t1 and this second interval t2 each numerical value by the running according to dynamic parameter generation unit of this central processing unit, to produce this control signal by the numerical value of constantly variation for this central processing unit during the running of this output driver.
2. frequency spectrum formula electrizer as claimed in claim 1, it is characterised in that: by this central frequency f0And this difference DELTA f's and this control signal of forming controlled to shake between 1k～100kHz by this central processing unit.
3. frequency spectrum formula electrizer as claimed in claim 1, it is characterised in that: this output driver comprises:
Switch accelerator module, its input connects this central processing unit to receive this control signal, and this switch accelerator module is made up of the electric capacity being connected in parallel mutually and resistance；And
Switch element, connects this switch accelerator module, this power supply unit and this electrode slice group, and whether this voltage source carrying out receiving to respond this control signal exports this switch motion to this electrode slice group,
Wherein, the central frequency f of this control signal0And the relation between the resistance value R of the capacitance C of this electric capacity of this switch accelerator module and this resistance meets 1/f0<5RC。
4. frequency spectrum formula electrizer as claimed in claim 3, it is characterised in that: this output driver is forward-type driver, and this switch element drives the voltage transformation unit in corresponding electrode slice group.
5. frequency spectrum formula electrizer as claimed in claim 4, it is characterised in that: this switch element is transistor, does not have any resistance between the collector of this transistor and base stage, and this transistor is contactor assembly.
6. frequency spectrum formula electrizer as claimed in claim 5, it is characterized in that: this power supply unit comprises power generators and exports strong and weak leading device, this power generators carries out modulation in order to output rated voltage for the strong and weak leading device of this output, and the strong and weak leading device of this output comprises:
First rank adjustment unit, receives this rated voltage, to provide the Voltage Cortrol of first stage by internal variable resistance and to produce output；And
Multiple second-order adjustment units, all connect this first rank adjustment unit to receive its output, provide the Voltage Cortrol of second stage by internal variable resistance and produce to export the output driver giving correspondence.
7. frequency spectrum formula electrizer as claimed in claim 3, it is characterized in that: this output driver is full-bridge type driver, the switch element that this output driver comprises is four, divide into two switches set, the input side of these switches set connects this central processing unit and carries out the switching of this switch motion in order to be controlled by this central processing unit, the outlet side of one switches set connects the positive terminal of the voltage transformation unit of this electrode slice group, the outlet side of another switches set connects the negative pole end of this voltage transformation unit, and each switches set comprises:
Two these switch elements, respectively the first switch element and second switch unit, the input of this first switch element connects this power supply unit, and the outfan of the first switch element connects input and this voltage transformation unit of this second switch unit, the output head grounding of second switch unit；And
One this switch accelerator module, this switch accelerator module connects the control end of this second switch unit, and this switch accelerator module also connects with this central processing unit and controls this second switch unit receiving corresponding control signal.
8. frequency spectrum formula electrizer as claimed in claim 7, it is characterized in that: each switches set also comprises: another this switch accelerator module, connecting the control end of this first switch element and be connected with this central processing unit, the control signal to receive correspondence controls this first switch element.
9. frequency spectrum formula electrizer as claimed in claim 8, it is characterized in that: each switch element comprises transistor and the stable diode being parallel between the collector of this transistor and emitter-base bandgap grading and stably with electric capacity, wherein the transistor of this first switch element is P-type semiconductor, and the transistor of this second switch unit is N-type semiconductor.
10. frequency spectrum formula electrizer as claimed in claim 9, it is characterised in that: not having any resistance between the collector of this transistor and base stage, this transistor is contactor assembly.
11. frequency spectrum formula electrizer as claimed in claim 3, it is characterized in that: this power supply unit comprises power generators and exports strong and weak leading device, this power generators carries out modulation in order to output rated voltage for the strong and weak leading device of this output, and the strong and weak leading device of this output comprises:
First rank adjustment unit, receives this rated voltage, to provide the Voltage Cortrol of first stage by internal variable resistance and to produce output；And
Multiple second-order adjustment units, all connect this first rank adjustment unit to receive its output, provide the Voltage Cortrol of second stage by internal variable resistance and produce to export and give output driver corresponding in this output driver group.
12. the control method of a frequency spectrum formula electrizer, this frequency spectrum formula electrizer provides control signal to give the switch element of output driver by central processing unit, make the voltage source that the power supply unit being connected with this output driver provides can produce output voltage via the switch motion of this output driver, this output voltage is sent to the electrode slice group being connected with this output driver to produce the output of this frequency spectrum formula electrizer, it is characterised in that:
This control method comprises:
This control signal is with central frequency f0For benchmark, define this central frequency f with difference DELTA f0Bandwidth, and define this central frequency f with very first time interval t10Next time change time point, the next time defining this difference DELTA f with the second interval t2 changes time point, produces this control signal by the numerical value of constantly variation for this central processing unit during the running of this output driver,
Wherein, this central frequency f0, this difference DELTA f, this very first time interval t1 and this second interval t2 each numerical value produced according to the running of dynamic parameter generation unit by this central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730040.1A CN105709332A (en) | 2014-12-04 | 2014-12-04 | Frequency-spectrum type electrizer and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410730040.1A CN105709332A (en) | 2014-12-04 | 2014-12-04 | Frequency-spectrum type electrizer and control method therefor |
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Cited By (1)
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| CN109908472A (en) * | 2017-12-13 | 2019-06-21 | 伊藤超短波株式会社 | Electrical medical instrument |
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| CN101048193A (en) * | 2004-08-31 | 2007-10-03 | 帕特里克·墨菲 | Multi-frequency electrical field generator and use thereof |
| CN201880217U (en) * | 2010-12-06 | 2011-06-29 | 吴国宪 | Intelligent channels/collaterals therapeutic apparatus |
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| CN202459848U (en) * | 2012-02-28 | 2012-10-03 | 吉林大学 | Impulse electronic therapeutic meter |
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| CN101048193A (en) * | 2004-08-31 | 2007-10-03 | 帕特里克·墨菲 | Multi-frequency electrical field generator and use thereof |
| CN201880217U (en) * | 2010-12-06 | 2011-06-29 | 吴国宪 | Intelligent channels/collaterals therapeutic apparatus |
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