The utility model content
The technical problem that (one) will solve
The technical problems to be solved in the utility model is: how to provide a kind of low-frequency pulse concussion flesh excited therapeutic instrument, can produce the pulse frequency that can make muscle carry out single contraction, and the electric current that pulsewidth and output intensity are changed in therapeutic domain at random.
(2) technical scheme
For solving the problems of the technologies described above, this utility model provides a kind of low-frequency pulse concussion flesh excited therapeutic instrument, the excited therapeutic instrument of described low-frequency pulse concussion flesh comprises: power module, control module and output module, the outfan of described power module is connected with the input of described control module, the input of described output module connects, the outfan of described control module is connected with the control end of described output module, and described control module is provided with time control module and frequency control module.
Preferably, described power module is provided with the first outfan and the second outfan, and described the first outfan is connected with the input of output module, and the second outfan is connected with the input of described control module.
Preferably, the input of described power module is provided with the first transformator, the first outfan of the first transformator is connected with the first commutator, the second outfan of the first transformator is connected with the second commutator, described the second commutator is connected with the input of manostat, the outfan of described the first commutator is the first outfan of described power module, and the outfan of described manostat is the second outfan of described power module.
Preferably, described control module is provided with processing unit, and described time control module is connected with described processing unit with frequency control module.
Preferably, described frequency control module comprises: the first resistance, the first slide rheostat, the first diode and the first electric capacity, the positive pole of described the first diode be connected an end of resistance and be connected with described processing unit, the other end of described the first resistance is connected with an end and the sliding end of described the first slide rheostat, the other end of described the first slide rheostat is connected with negative pole and the described processing unit of described the first diode, the positive pole of described the first electric capacity is connected minus earth with described processing unit.
Preferably, described time control module comprises: the second resistance and the second electric capacity, and an end of described the second resistance is connected with the input of described control module, and the other end is connected with the positive pole of described the second electric capacity, the positive pole of described the second electric capacity is connected minus earth with described processing unit.
Preferably, described processing unit is the time base circuit processor.
Preferably, the control end junction of the outfan of described control module and described output module is provided with field effect transistor, the grid of described field effect transistor is connected with the outfan of described control module, the drain electrode of described field effect transistor is connected with the control end of described output module, the source ground of described field effect transistor.
Preferably, described output module is provided with the second transformator, and the input of described the second transformator is the input of described output module, and described the second transformator is provided with the first outfan and the second outfan.
Preferably, be respectively arranged with slide rheostat for regulation output voltage on the first outfan of described the second transformator and on the second outfan.
(3) beneficial effect
The excited therapeutic instrument of low-frequency pulse concussion flesh of the present utility model, produce stimulating current by power module, control module and output module, realized starting control, self-clocking, oscillating impulse output, frequency is adjustable, the change at random of frequency, output pulse width and output voltage intensity, effectively avoid the adaptation of nerve fiber, avoid that electrochemical action is difficult for causing muscle fatigue and sense of discomfort to the stimulation of skin under the electrode.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation this utility model, but are not used for limiting scope of the present utility model.
The excited therapeutic instrument of low-frequency pulse concussion flesh of this utility model embodiment as shown in Figure 1, the excited therapeutic instrument 1 of described low-frequency pulse concussion flesh comprises: power module 2, control module 3 and output module 4,2 outfans of described power module are connected with the input of described control module 3, the input of described output module 4 connects, the outfan of described control module 3 is connected with the control end 3 of described output module 4, and described control module 3 is provided with time control module 5 and frequency control module 6.
Described power module 2 is used for the power supply transformation of input and is divided into two groups, and one group is input to output module 4 after rectification, and another group enters control module 5 after over commutation and voltage stabilizing;
Described control module 3 is used for controlling the excited therapeutic instrument of described low-frequency pulse concussion flesh and produces the low frequency oscillation pulse, and can control time and the frequency of described pulse;
Described output module 4 is used under the control of described control module 3 output electrical signals and makes pulsewidth and electric current that output intensity changes at random in therapeutic domain;
Described time control module 5 is used for regulating the working time of the excited therapeutic instrument of control described low-frequency pulse concussion flesh;
Described frequency control module 6 is used for the excited therapeutic instrument of the described low-frequency pulse concussion of adjusting control flesh and produces the frequency of pulse, is adjusted to the frequency of correspondence according to the characteristics of muscle.
Preferably, described power module 2 is provided with the first outfan and the second outfan, and described the first outfan is connected with the input of output module, and the second outfan is connected with the input of described control module 3.
Preferably, the input of described power module 2 is provided with the first transformator, the first outfan of the first transformator is connected with the first commutator, the second outfan of the first transformator is connected with the second commutator, described the second commutator is connected with the input of manostat, the outfan of described the first commutator is the first outfan of described power module 2, and the outfan of described manostat is the second outfan of described power module 2.
Produce the adjustable pulse oscillator of frequency by a part that adopts control module 3, utilization is without the special output waveform of the non-linear generation change at random of the pulsed dc voltage of voltage stabilizing and power tube, the needs that are fit to very much clinical treatment, another part forms the monostable time delay circuit of a timing, controls easily treatment time and the output of therapeutic instrument.
Preferably, described control module 3 is provided with processing unit 7, and described time control module 5 is connected with frequency control module and is connected with described processing unit 7.
Preferably, described time control module 5 comprises: the second resistance and the second electric capacity, and an end of described the second resistance is connected with the input of described control module 3, and the other end is connected with the positive pole of described the second electric capacity, the positive pole of described the second electric capacity is connected minus earth with described processing unit 7.
Preferably, described frequency control module 6 comprises: the first resistance, the first slide rheostat, the first diode and the first electric capacity, the positive pole of described the first diode be connected an end of resistance and be connected with described processing unit 7, the other end of described the first resistance is connected with an end and the sliding end of described the first slide rheostat, the other end of described the first slide rheostat is connected with negative pole and the described processing unit 7 of described the first diode, the positive pole of described the first electric capacity is connected minus earth with described processing unit 7.
Preferably, described processing unit 7 is the time base circuit processor.
Preferably, the control end junction of the outfan of described control module 3 and described output module 4 is provided with field effect transistor, the grid of described field effect transistor is connected with the outfan of described control module 3, the drain electrode of described field effect transistor is connected with the control end of described output module 4, the source ground of described field effect transistor.
Preferably, described output module 4 is provided with the second transformator, and the input of described the second transformator is the input of described output module 4, and described the second transformator is provided with the first outfan and the second outfan.
Preferably, be respectively arranged with slide rheostat for regulation output voltage on the first outfan of described the second transformator and on the second outfan.
Concrete, the circuit structure diagram of the excited therapeutic instrument of this utility model embodiment low-frequency pulse concussion flesh is as shown in Figure 2;
Power module 2 input AC 220V export two groups of alternating currents by transformator B1, and one group of armature winding upper end that exchanges by access transformator B1 after the commutator VD1 rectification is again through the anodal drain electrode that meets field effect transistor Q1 behind the negative pole of diode D2; Another group is by after the commutator VD2 rectification, again through the input of access manostat U2 after capacitor C 1 filtering, by the DC voltage of manostat U2 stable output for processor U1.
Control module 3 comprises processing unit 7, time control module 5 and frequency control module 6.Processing unit is that the time base circuit processor is processor U1, processor U1 voltage is powered by 14 feet, again by resistance R 5 accesses 13 feet, by resistance R 6 accesses 10 feet, 7 foot ground connection, 8 feet with connect again field effect transistor D1 negative pole after 12 feet are connected after behind the slide rheostat W3 series resistance R7 in parallel with anodal 13 feet that access processor U1 that are connected of field effect transistor D1, capacitor C 6 minus earths, resistance R 10 of 9 feet series connection connects the grid of field effect transistor Q1, connect the source ground of field effect transistor Q1, drain series resistance R8 connects the lower end of transformator B2 armature winding, resistance R 8 again a luminous tube D3 in parallel and resistance R 11(wherein luminous tube as relay indicating light with) form one and can regulate slide rheostat W3 and regulate the control circuit that shakes frequency.1 foot of transformator U1 is connected the outfan with access manostat U2 after resistance R 4 is connected with resistance R 3 again with 2 feet, 1 foot of processor U1 is connected minus earth again with 2 feet in the positive pole of capacitor C 4.3 feet of processor U1 connect the positive pole of capacitor C 5, minus earth.5 feet of processor U1 are connected with 10 feet.6 feet of processor U1 meet electric capacity R2 to the outfan of manostat U2,6 feet of processor U1 connect the outfan of capacitor C 3 to manostat U2 again, it is in parallel with the end of K3 that 6 feet of processor U1 connect K switch 2 again, after the other end of K switch 2 and K3 is also in parallel with the outfan that meets manostat U2 after resistance R 1 is connected.6 feet of processor U1 connect the end of touch-switch K1, and the other end series resistance R9 of K switch 1 forms start-up circuit and the timing circuit of concussion output to ground.
Control by control module 3 so that the frequency range of the pulse of excited therapeutic instrument 1 output of described low-frequency pulse concussion flesh at 0-10H
Z, use the pulse of this frequency range can be better for flesh excitement treat.
In the output module 4, the parameter of two groups of secondary windings of transformator B2 equates, difference slide rheostat W1 in parallel and slide rheostat W2, upper end by centre cap and secondary windings form can reach by the centre tapped position of regulating slide rheostat W1 and slide rheostat W2 can the regulation output pulse amplitude adjusting, be connected to the application purpose that electrode slice reaches independent regulation two-way output intensity respectively and can change at random in output intensity by electrode wires in the scope of therapeutic instrument institute regulation output value respectively again.
The excited therapeutic instrument of low-frequency pulse concussion flesh of the present utility model, produce stimulating current by power module, control module and output module, realized starting control, self-clocking, oscillating impulse output, frequency is adjustable, frequency, utilization change in the scope of therapeutic instrument institute regulation output value at random without the pulsating dc voltage of voltage stabilizing and non-linear pulsewidth and the output intensity of making of power tube, effectively avoid the adaptation of nerve fiber, avoid that electrochemical action is difficult for causing muscle fatigue and sense of discomfort to the stimulation of skin under the electrode.
Above embodiment only is used for explanation this utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that do not break away from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.