CN206492112U - A kind of new type functional electrical stimulation device and its control circuit - Google Patents

Abstract

The utility model belongs to electricity field, and in particular to a kind of new type functional electrical stimulation device and its control circuit.The control circuit, it includes processor module and the power module, charging module, boost module, acquisition module and the output module that are connected with processor module, charging module is connected with power module, for being charged for power module, boost module is connected with power module, for the output voltage of power module to be boosted into predeterminated voltage, output module is connected with boost module, and predeterminated voltage is exported by output module.

Description

A kind of new type functional electrical stimulation device and its control circuit

Technical field

The utility model belongs to electricity field, and in particular to a kind of new type functional electrical stimulation device and its control circuit.

Background technology

Functional electrostimulation (functional eleetrieal stimulation, FES) belongs to neuromuscular electric stimulation therapy The category of (neuromuscular electrical stimulation, NES), is the low-frequency pulse using some strength Stream, one or more groups of muscle are stimulated by program set in advance, are induced muscular movement or are simulated normal autokinetic movement, with Reach the purpose for improving or recovering to be stimulated muscle or muscle group function.For with complete perimeter innervation but due to maincenter god Cause nerve to pass impulsion reduction down or lose through damage and cause dominated muscle to complete the portion of its original contractile function Position, FES effects are notable.

Electric signal is delivered to kinesitherapy nerve by the brain of normal human, so as to realize certain action.For hemiplegia damage Patient, because kinesitherapy nerve does not receive motor message and loses paleocinetic ability, but the muscle of hemiplegia still has receipts Contract the ability moved.By functional electrostimulation, the kinesitherapy nerve for muscle of paralysing, interelectrode electric field are stimulated using surface electrode Triggering potential is produced on nerve, this potential is chemically via being sent to muscle cell at the cynapse of neuron and cause Contraction of muscle, so that limbs generation is acted, and change that can be by changing voltage and frequency is controlled to electro photoluminescence.

Referenced patent document CN204208194U discloses a kind of electrical stimulation device and its control circuit, and control circuit includes Always make energy control module, boost module, waveform control module and MCU, always make energy control module, boost module and waveform control mould Block is sequentially connected, and energy control module, boost module and waveform control module is also connected respectively with MCU.Referenced patent document CN2880145Y discloses the circuit of low-frequency electronic stimulatior, is in an oscillating circuit, to be made up of and shake substantially a squarer Circuit is swung, and is aided with some transistors of periphery and resistance generation first paragraph continuity square wave, and has additionally comprised second segment controls ripple Shape generation circuit and three stage control Waveform generating circuit, to produce intermittent square wave and combined type square wave respectively.

Electro photoluminescence controls circuit in above-referenced patent document, only has output circuit, but without output feedback circuit. Due to lacking feedback so that the control accuracy of electro photoluminescence control circuit is not high.

Utility model content

The weak point that circuit is present is controlled for existing electro photoluminescence, the utility model proposes a kind of new type functional electricity Stimulating apparatus and its control circuit.New type functional electro photoluminescence control circuit includes the power module for powering, by power supply The voltage of module rises to required voltage, and processor module control output module output modulation voltage acts on skin.

The utility model is adopted the following technical scheme that：

A kind of new type functional electro photoluminescence controls circuit, and it includes processor module and the electricity being connected with processor module Source module, charging module, boost module, acquisition module and output module, charging module are connected with power module, for for electricity Source module charges, and boost module is connected with power module, defeated for the output voltage of power module to be boosted into predeterminated voltage Go out module with boost module to be connected, predeterminated voltage is exported by output module.

Further, in addition to encrypting module, encrypting module is connected with processor module.

Further, boost module includes the second triode, FET, the 7th resistance, the 8th electric capacity, inductance, the 3rd Diode and the first electric capacity, the output end P3.5 of the control termination processor module of the second triode, the first of the second triode End ground connection, the second termination high-voltage output terminal, the resistance of the second end the 7th of the second triode or the 8th electric capacity or parallel connection 7th resistance and the 8th electric capacity connect the control end of FET, and the first end of FET connects power module, the second end through inductance Ground connection, the positive pole of the 3rd diode connects the first end of FET, and negative pole connects output module, a termination the three or two of the first electric capacity The negative pole of pole pipe, other end ground connection.

Further, boost module also includes low power booster circuit, and low power booster circuit includes the first diode, second Diode, the 5th electric capacity, the 6th electric capacity and the 5th resistance, the positive pole of the first diode meet Input voltage terminal VCC2, and negative pole connects The positive pole of two diodes, second diode cathode of termination of the 5th resistance, the other end of the 5th resistance is high-voltage output terminal, Connect the second end of the second triode, the negative pole of first diode of termination of the 5th electric capacity, another termination processor module it is defeated Go out and hold P3.4, second diode cathode of termination of the 6th electric capacity, other end ground connection.

Further, charging module includes USB charging ports, the 11st electric capacity, second resistance, charging chip, the 6th electricity Resistance, relay, 3rd resistor and the 4th electric capacity, the 4th pin of charging chip by the 11st capacity earth, charging chip 4th pin and the 8th pin connect the pin of USB charging ports simultaneously, are set between the 4th pin of charging chip and the 7th pin There is second resistance, second pin is grounded simultaneously by the 6th resistance eutral grounding, the first pin, the 3rd pin and the 6th pin, the 5th Pin connects the positive pole of power module, and the positive pole and negative pole of power module distinguish the 3rd pin and octal of contact relay, relay Crus secunda be output voltage terminal, the 9th pin is through in parallel 3rd resistor and the 4th capacity earth.

Further, charging module also includes light emitting diode, and what light emitting diode was serially connected in charging chip the 4th draws Between pin and the 7th pin, connected with second resistance.

Further, output module includes the 11st resistance, the 14th resistance, the 3rd triode, the 4th triode, the 4th Diode, the 12nd resistance and the 13rd resistance, the control end of the 4th triode connect the defeated of processor module through the 14th resistance Go out and hold P1.5, the first end ground connection of the 4th triode, the control end of the second the 3rd triode of termination, the control end of the 3rd triode The 11st resistance, the second termination boost module of the 3rd triode, the first termination of the 3rd triode are concatenated between the second end The positive pole of 4th diode, the negative pole of the 4th diode is output end, the 12nd resistance and the latter termination of the 13rd resistor coupled in parallel Ground, the negative pole of another diode of termination the 4th.

Further, in addition to switch key, switch key one end ground connection, another termination processor module, for controlling The startup and stopping of the processor module.

A kind of new type functional electrical stimulation device, including the as above new type functional electro photoluminescence control electricity described in any one Road.

Charging module of the present utility model charges in charger for power module, and when not charging, power module is Whole circuit is powered, and by the voltage of power module by booster circuit, becomes to modulate high pressure, modulation high pressure is by exporting mould Block, produces functional electric polar stimulation voltage and acts on skin.The utility model adds relative to prior art and uses circuit, leads to The feedback of over-sampling circuit so that control circuit control accuracy is higher, improves the security of circuit.

Brief description of the drawings

Fig. 1 is the schematic diagram of embodiment one；

Fig. 2 is the schematic diagram of embodiment two；

Fig. 3 is the schematic diagram of embodiment three.

Embodiment

To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model is disclosed A part for appearance, it is mainly to illustrate embodiment, and running of the associated description of specification to explain embodiment can be coordinated former Reason.Coordinate and refer to these contents, those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new The advantage of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.

The utility model is further illustrated in conjunction with the drawings and specific embodiments.

A kind of new type functional electro photoluminescence controls circuit, and it includes processor module 7 and is connected with processor module 7 Power module, charging module 2, boost module 1, acquisition module 8 and output module 4, charging module 2 are connected with power module, For being charged for power module, boost module 1 is connected with power module, pre- for the output voltage of power module to be boosted to If voltage, output module 4 is connected with boost module 1, and predeterminated voltage is exported by output module 4.

In addition, also including encrypting module 3, encrypting module 3 is connected with processor module 7.

As shown in fig.1, the new type functional electro photoluminescence of the utility model preferably embodiment one controls the principle of circuit Figure, it includes boost module 1, charging module 2, encrypting module 3, output module 4, processor module 7, sampling module 8, download mould Block 6 and switch module 5.

The processor module 7 of the embodiment includes single-chip microcomputer U3 chips, the 13rd electric capacity Cap13 and the 5th diode D5, The model STC15W of single-chip microcomputer U3 chips, single-chip microcomputer U3 the diode D5 of VCC ends the 5th connect voltage end VCC, and the five or two Pole pipe D5 negative pole is connected with single-chip microcomputer U3 VCC ends, and the single-chip microcomputer U3 electric capacity Cap13 of GND ends the 13rd connects the five or two pole Pipe D5 negative pole.The power module of the embodiment uses chargeable lithium cell, the just extremely voltage end VCC of lithium battery.

The boost module 1 of the embodiment include the 8th resistance R8, the second triode Q2, FET Q1, the 7th resistance R7, 8th electric capacity C8, inductance L1, the 3rd diode D3, the first electric capacity Cap1, the 7th electric capacity C7, the first diode D1, the two or two pole Pipe D2, the 5th electric capacity C5, the 6th electric capacity C6 and the 5th resistance R5.First diode D1 positive pole meets Input voltage terminal VCC1, bears Pole connects the second diode D2 positive pole, a 5th resistance R5 second diode D2 negative poles of termination, the 5th resistance R5 other end The second triode Q2 colelctor electrode is connect, a 5th electric capacity C5 first diode D1 of termination negative pole, the other end meets single-chip microcomputer U3 Output end P3.4, the 6th electric capacity C6 one termination the second diode D2 negative poles, the other end ground connection.Second triode Q2 base stage Single-chip microcomputer U3 output end P3.5, the second triode Q2 grounded emitter, the second triode Q2 collection are connect through the 8th resistance R8 Electrode connects FET Q1 grid through the 7th resistance R7 and the 8th electric capacity C8 in parallel, and FET Q1 drain electrode is through inductance L1 Voltage end VCC1 is met, source ground, the 3rd diode D3 positive pole connects FET Q1 drain electrode, and negative pole is voltage VCC0 ends, Connect output module 4, the first electric capacity Cap1 a 3rd diode D3 of termination negative pole, other end ground connection.7th electric capacity C7 and One electric capacity Cap1 is in parallel, and the 7th electric capacity C7 plays filter action.

It should be noted that the 7th resistance R7 and the 8th electric capacity C8 is in parallel in the embodiment one, the work of impedance matching is played With, skilled person will appreciate that, the impedance matching individually can be achieved using the 7th resistance R7 or the 8th electric capacity C8, i.e., and second The 7th resistance R7 or the 8th electric capacity C8 is concatenated between triode Q2 colelctor electrode and FET Q1 grid.

The voltage end VCC1 voltages of the embodiment is between 3.7-4.2V, undertension are with driving FET Q1.Using Low power booster circuit is boosted, and utilizes the first diode D1, the second diode D2, the 5th electric capacity C5, the 6th electric capacity C6 tetra- Element realizes voltage increase one again with driving FET Q1, and principle is as follows：

When P3.4 is low level, the first diode D1 conductings, voltage end VCC1 charges to the 5th electric capacity C5, and the 5th Electric capacity C5 upper ends is just；When P3.4 is high level, the first diode D1 cut-offs, the second diode D2 is turned on, the electricity on P3.4 Voltage on the+the five electric capacity C5 of pressure charges to the 6th electric capacity C6.

It should be noted that for driving FET Q1, the low power booster circuit of the embodiment one use, by power supply mould The voltage rise of block.Skilled person will appreciate that, high voltage power supply direct drive FET Q1 is it is also possible to use, without extra Low power booster circuit.

The principle of the embodiment booster circuit is：Inductance L1, the first electric capacity Cap1 are very big.When FET Q1 is turned on, electricity Pressure side VCC1 charges to inductance L1, and charging current perseverance is I1, while the first electric capacity Cap1 voltage powers to the load, the first electric capacity Cap1 value is very big, and output voltage VCC0 is constant, if FET Q1 ON times are ton, is put aside on this stage inductance L1 Energy be VCC1*I1*ton；When FET Q1 disconnects, voltage end VCC1 and inductance L1 are common to the first electric capacity Cap1 chargings And power to the load, if the time that FET Q1 disconnects is toff, then the energy that inductance L1 discharges during this is (VCC0- VCC1)*I1*toff.L1 puts aside energy and released energy equal in stable state formula, a cycle T:

VCC1*I1*ton=(VCC0-VCC1) * I1*toff,

Abbreviation obtains VCC0=(ton+toff) * VCC1/toff=T*VCC1/Toff.

It should be noted that the N-channel type that FET Q1 is used in the boost module 1 of the embodiment one, this area skill Art personnel understand, can also also realize identical function using P-channel type FET.

The charging module 2 of the embodiment includes USB charging ports USB5V, the 11st electric capacity C11, second resistance R2, charging Chip U1, the second electric capacity C2, the 6th resistance R6, relay RELAY1,3rd resistor R3 and the 4th electric capacity C4, charging chip U1's 4th pin is grounded by the 11st electric capacity C11, and charging chip U1 the 4th pin and the 8th pin connect USB charging ports simultaneously USB5V pin, is provided with second resistance R2 between charging chip U1 the 4th pin and the 7th pin, second pin passes through the 6th Resistance R6 is grounded, and the first pin, the 3rd pin and the 6th pin are grounded simultaneously, and the 5th pin connects the positive pole of lithium battery, and the 5th draws Pin is grounded by the second electric capacity C2.Positive pole and negative pole difference the contact relay RELAY1 of lithium battery the 3rd pin and octal, after Electrical equipment RELAY1 crus secunda is output voltage terminal VCC1, and the 9th pin is grounded through 3rd resistor R3 and the 4th electric capacity C4 in parallel. Wherein, J1 interfaces connect lithium battery.Charging chip U1 models CN3052B used in the embodiment is, it is necessary to explanation, charging chip U1 type kind is various, skilled person will appreciate that, TP4056 or CN3056 can be also used, identical function can be also realized.

J2 interfaces are USB interface, the 5V voltages that USB5V provides for USB interface.When USB port charges, relay RELAY1 Disconnect, USB gives the lithium cell charging for being connected on J1 interfaces by charging chip；When not charging, USB5V does not have voltage, relay RELAY1 is closed, and lithium battery is that whole circuit is powered.

In addition, the working condition in order to clearly show that the charging module 2, the charging module 2 of the embodiment also includes lighting Diode (LED) 1, LED 1 is serially connected between the 4th pin of CN3052B chips and the 7th pin, with second resistance R2 connects.

The output module 4 of the embodiment includes three output par, cs, i.e. J3 output par, cs, J4 output par, cs and J6 output sections Point, three output par, c circuits are identical.By taking J3 output par, cs as an example, J3 output par, cs include the 11st resistance R11, the 14th electricity Hinder R14, the 3rd triode Q3, the 4th triode Q4, the 4th diode D2, the 12nd resistance R12 and the 13rd resistance R13.The Four triode Q4 base stage meets single-chip microcomputer U3 output end P1.5 through the 14th resistance R14, and the 4th triode Q4 emitter stage connects Ground, colelctor electrode connects the 3rd triode Q3 base stage, and the 11st resistance is concatenated between the 3rd triode Q3 base stage and colelctor electrode R11, the 3rd triode Q3 colelctor electrode meet voltage end VCC0, and the 3rd triode Q3 emitter stage is meeting the 4th diode D2 just Pole, the 4th diode D2 negative pole connects output port J3 first port, output port J3 second port ground connection, the 12nd electricity Hinder R12 and the 13rd resistance R13 latter end ground connection in parallel, the 4th diode D2 of another termination negative pole.

By taking J3 output par, cs as an example.When P1.5 is low level, the 4th triode Q4 shut-offs, the 4th triode Q4 colelctor electrode For high level, the 3rd triode Q3 conductings, the 3rd triode Q3 emitter stages outwards export approximate VCC0 voltage, i.e. output port J3 output voltages VCC0；When P1.5 is high level, the 4th triode Q4 conductings, the 4th triode Q4 current collection extremely low level, 3rd triode Q3 is turned off, the 3rd triode Q3 emitter stages not output voltage, i.e. output port J3 not output voltage.

It should be noted that three output par, c circuit theories of the output module 4 of the embodiment are identical, J6 output par, cs It is connected with feedback circuit, the feedback circuit includes the 21st resistance R21, the 8th diode D8 and the 12nd electric capacity C12, second After 11 resistance R21, the 8th diode D8 and the 12nd electric capacity C12 are in parallel, the second port of a termination output port J6 is another End ground connection.Wherein output port J6 second port meets single-chip microcomputer U3 input port ADC1.When not connecing skin, ADC1 collections Voltage is 0V.The feedback circuit is for detecting whether contact skin, during access skin, negative electricity is filtered out using the 8th diode D8 Pressure, filters out ripple using the 12nd electric capacity C12, obtains a small voltage signal.Single-chip microcomputer U3 input is judged by program Mouth ACD1 voltage, judges whether to access skin.

Switch module 5 includes switch key SW1, and switch key SW1 one end ground connection, the other end connects single-chip microcomputer U3 INT1 ends Mouthful, startup and stopping for control single chip computer.Switch key SW1 is by interrupting whether control whole system is run.

Sampling module 8 include VCC0 sample circuits and lithium battery sample circuit, VCC0 sample circuits include the 9th resistance R9, Tenth resistance R10 and the 9th electric capacity C9, the tenth resistance R10 and the 9th electric capacity C9 latter end ground connection in parallel, another electricity of termination the 9th Resistance R9, the 9th resistance R9 another termination voltage end VCC0, the 9th resistance R9 and the tenth resistance R10 common port meet single-chip microcomputer U3 Input port ACD0.Lithium battery sample circuit includes the 15th resistance R15 and the 16th resistance R16, and voltage end VCC is concatenated The 15th resistance R15 and the 16th resistance R16 ground connection, the 15th resistance R15 and the 16th resistance R16 common port order piece Machine U3 input port ACD2.In order to detect voltage swing on major loop, the single-chip microcomputer U3 of embodiment input port ACD3 Contact relay RELAY1 the 9th pin.Single-chip microcomputer U3 input port ACD4 and CN3052B chips in charging module 2 the 7th pin Connection.

Single-chip microcomputer U3 input port ACD0 is used for collection voltages end VCC0, and ADC2 is used for the voltage for gathering lithium battery, ADC3 is used to detect the voltage swing on major loop.ADC4 is used to detect whether lithium battery is fully charged, CN3052B chip underfills When electric, its 7th pin is low level, when fully charged, and the 7th pin is high level.

Encrypting module 3 includes first resistor R1, the 3rd electric capacity C3 and encryption chip U2, encryption chip U2 model DM2016.First resistor R1 is concatenated between encryption chip U2 the first pin and crus secunda, and the first pin and the 4th pin are grounded, the The 3rd electric capacity C3 is concatenated between two pin and octal, octal meets voltage end VCC.And encryption chip U2 the 5th pin and the 6th pin It is connected respectively with single-chip microcomputer U3 output port P0.1 and P0.0.Some significant datas in program are stored in encryption chip U2 In, it is necessary to which single-chip microcomputer U3 and U2 is communicated by I2C agreements when program is performed, extract data.

Download module 6, single-chip microcomputer U3 is downloaded by download module 6.

As shown in fig.2, being the schematic diagram of embodiment two, the difference of the embodiment two and embodiment one is：Embodiment The triode Q3 of J3 output par, cs the 3rd and the 4th triode Q4 uses PNP type triode in one output module 4, and embodiment two Output module 4 in the triode Q3 of J3 output par, cs the 3rd and the 4th triode Q4 use NPN type triode.

As shown in fig.3, being the schematic diagram of embodiment three, the difference of the embodiment three and embodiment one is：Embodiment The triode Q3 of J3 output par, cs the 3rd and the 4th triode Q4 uses PNP type triode in one output module 4, and embodiment three Output module 4 in the triode Q3 of J3 output par, cs the 3rd and the 4th triode Q4 use NPN type triode.And embodiment one Second triode Q2 is PNP type triode in boost module 1, and the second triode Q2 is NPN type in the boost module 1 of embodiment three Triode.

The invention also provides the new type functional electricity thorn of a kind of new type functional electrical stimulation device, including any of the above-described kind Swash control circuit.

Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details On the utility model can be made a variety of changes, be protection domain of the present utility model.

Claims (9)

1. a kind of new type functional electro photoluminescence controls circuit, it is characterised in that：It includes processor module and and processor module Power module, charging module, boost module, acquisition module and the output module being connected, the charging module and power module It is connected, for being charged for power module, the boost module is connected with power module, for the output of power module is electric Pressure boosts to predeterminated voltage, and the output module is connected with boost module, and predeterminated voltage is exported by output module.

2. new type functional electro photoluminescence as claimed in claim 1 controls circuit, it is characterised in that：Also include encrypting module, it is described Encrypting module is connected with processor module.

3. new type functional electro photoluminescence as claimed in claim 1 controls circuit, it is characterised in that：The boost module includes second Triode, FET, the 7th resistance, the 8th electric capacity, inductance, the 3rd diode and the first electric capacity, second triode The output end P3.5 of control termination processor module, the first end ground connection of the second triode, the second termination high-voltage output terminal, the The resistance of the second end the 7th of two triodes or the 8th electric capacity or the 7th resistance and the 8th electric capacity of parallel connection connect FET Control end, the first end of FET connects power module through inductance, and the second end ground connection, the positive pole of the 3rd diode connects FET First end, negative pole connects output module, the negative pole of the 3rd diode of termination of the first electric capacity, other end ground connection.

4. new type functional electro photoluminescence as claimed in claim 3 controls circuit, it is characterised in that：The boost module also includes low Times booster circuit, the low power booster circuit includes the first diode, the second diode, the 5th electric capacity, the 6th electric capacity and the 5th Resistance, the positive pole of first diode meets Input voltage terminal VCC2, and negative pole connects the positive pole of the second diode, the one of the 5th resistance The second diode cathode is terminated, the other end of the 5th resistance is high-voltage output terminal, connect the second end of the second triode, the 5th electricity The negative pole of first diode of termination held, the output end P3.4 of another termination processor module, a termination the of the 6th electric capacity Two diode cathodes, other end ground connection.

5. new type functional electro photoluminescence as claimed in claim 1 controls circuit, it is characterised in that：The charging module includes USB Charging port, the 11st electric capacity, second resistance, charging chip, the 6th resistance, relay, 3rd resistor and the 4th electric capacity, charging 4th pin of chip connects USB charging ends simultaneously by the 11st capacity earth, the 4th pin of charging chip and the 8th pin The pin of mouth, is provided with second resistance between the 4th pin of charging chip and the 7th pin, second pin is connect by the 6th resistance Ground, the first pin, the 3rd pin and the 6th pin are grounded simultaneously, and the 5th pin connects the positive pole of power module, and power module is just Pole and negative pole distinguish the 3rd pin and octal of contact relay, and the crus secunda of relay is output voltage terminal, and the 9th pin is through parallel connection 3rd resistor and the 4th capacity earth.

6. new type functional electro photoluminescence as claimed in claim 5 controls circuit, it is characterised in that：The charging module also includes hair Optical diode, the light emitting diode is serially connected between the 4th pin of charging chip and the 7th pin, is connected with second resistance.

7. new type functional electro photoluminescence as claimed in claim 1 controls circuit, it is characterised in that：The output module includes the tenth One resistance, the 14th resistance, the 3rd triode, the 4th triode, the 4th diode, the 12nd resistance and the 13rd resistance, institute The control end for stating the 4th triode meets the output end P1.5 of processor module, the first termination of the 4th triode through the 14th resistance Ground, the control end of the second the 3rd triode of termination, the 11st resistance is concatenated between the control end of the 3rd triode and the second end, the Second termination boost module of three triodes, the positive pole of the first the 4th diode of termination of the 3rd triode, the 4th diode Negative pole is output end, the 12nd resistance and the latter end ground connection of the 13rd resistor coupled in parallel, the negative pole of the 4th diode of another termination.

8. new type functional electro photoluminescence as claimed in claim 1 controls circuit, it is characterised in that：Also include switch key, it is described Switch key one end is grounded, another termination processor module, startup and stopping for controlling the processor module.

9. a kind of new type functional electrical stimulation device, it is characterised in that：Including new as any one of claim 1 to 8 Type functional electrostimulation controls circuit.