CN209060388U - Ultrasonic therapy device - Google Patents
Ultrasonic therapy device Download PDFInfo
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- CN209060388U CN209060388U CN201820490066.7U CN201820490066U CN209060388U CN 209060388 U CN209060388 U CN 209060388U CN 201820490066 U CN201820490066 U CN 201820490066U CN 209060388 U CN209060388 U CN 209060388U
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Abstract
The utility model provides a kind of ultrasonic therapy device, is related to field of medical technology.In the ultrasonic therapy device, signal generator is for generating simultaneously output drive signal；Modulation unit be used for from signal generator receive and driving signal is modulated, obtain and export at least all the way modulate after driving signal；Power amplifier is received and is amplified to driving signal after at least modulating all the way；Ultrasonic transducer receives amplified driving signal after at least modulating all the way, generates and exports at least ultrasonic wave all the way；Signal acquisition unit is used to acquire amplified driving signal after at least modulating all the way to obtain signal parameter, and processor exports the first control signal based on signal parameter acquisition to signal generator.The ultrasonic therapy device circuit structure is simple, is easily achieved, and is conducive to the volume for reducing device.In addition, the first control signal that the device is generated using processor facilitates the ultrasonic wave that operator controls output according to demand with control signal generator.
Description
Technical field
The utility model relates to field of medical technology, in particular to a kind of ultrasonic therapy device.
Background technique
With the development of science and technology, the functional requirement to Medical Devices is higher and higher.For example, in medical treatment or beauty industry, benefit
Tumour, the diseases such as skin discoloration can be treated with ultrasonic wave.For example, ultrasonic wave can act under skin in beauty industry, pass through
Promote living again for collagen, so as to improve skin, achievees the effect that eliminate lines.In the prior art, for generating ultrasound
The Medical Devices energy hole precision of wave is lower, and circuit parameter can not adjust.And for high-intensity focusing ultrasonic wave can be achieved
Medical Devices, volume is larger, and equipment cost is high, is unfavorable for manufacturer's manufacturing, is also not easy to operator's use.Cause
How this, provide a kind of scheme that can be solved the above problems, it has also become the technical issues of those skilled in the art's urgent need to resolve.
Utility model content
In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of ultrasound that structure is simply easily achieved
Wave medical device, to solve the above problems.
To achieve the goals above, technical solution provided by the utility model preferred embodiment is as follows:
The utility model preferred embodiment provides a kind of ultrasonic therapy device, comprising:
Processor；
Signal generator is connected to the processor, for generating simultaneously output drive signal；
Modulation unit is connect with the signal generator, for receiving from the signal generator and believing the driving
Number be modulated, obtain and export at least modulate all the way after driving signal；
Power amplifier is connect with the modulation unit, for from the modulation unit receive and to it is described at least all the way
Driving signal amplifies after modulation；
Ultrasonic transducer is connect with the power amplifier, amplified described for receiving from the power amplifier
Driving signal after at least modulating all the way generates and exports at least ultrasonic wave all the way；
Signal acquisition unit is connect with the processor and the power amplifier, for adopting from the power amplifier
For driving signal to obtain signal parameter, the processor output is based on the signal after at least modulating all the way described in collecting amplified
The first control signal of gain of parameter gives the signal generator.
Optionally, above-mentioned ultrasonic therapy device further includes Switching Power Supply connected to the processor, for converting alternating current
It is the power supply at least exported all the way, which is used to provide electric energy for the ultrasonic therapy device.
Optionally, above-mentioned Switching Power Supply includes that power adapter and the low pressure difference linearity connecting with the power adapter are steady
Depressor, the low pressure difference linear voltage regulator are matched with the power adapter, at least stable all the way for being converted to alternating current
The DC power supply of voltage output.
Optionally, above-mentioned ultrasonic therapy device further includes bus communication unit and controller, the bus communication unit
It is connect with the processor and the controller, the bus communication unit includes RS485 bus or CAN bus.
Optionally, above-mentioned ultrasonic therapy device further includes the matching unit connecting with the ultrasonic transducer, described
Matching unit includes the build-out resistor that at least one matches with the ultrasonic transducer.
Optionally, above-mentioned ultrasonic therapy device further includes the input control unit being connected to the processor, the place
It manages input signal of the device also based on the input control unit and generates and export second control signal, the signal generator is from institute
Processor is stated to receive the second control signal and generate new driving signal.
Optionally, above-mentioned ultrasonic transducer is provided with the focusing structure for the ultrasonic wave to be focused.
Optionally, above-mentioned signal acquisition unit includes current transformer and/or voltage transformer.
Optionally, above-mentioned processor include central processing unit, STM32 single-chip microcontroller, dsp chip, at least one in fpga chip
Kind.
The utility model also provides another ultrasonic therapy device, comprising:
Processor；
Power supply unit is connected to the processor；
Signal generator is connected to the processor, for generating simultaneously output drive signal；
Modulation unit is connect with the signal generator, for receiving from the signal generator and believing the driving
Number be modulated, obtain and export at least modulate all the way after driving signal；
Power amplifier is connect with the modulation unit, for from the modulation unit receive and to it is described at least all the way
Driving signal amplifies after modulation；
Ultrasonic transducer is connect with the power amplifier, amplified described for receiving from the power amplifier
Driving signal after at least modulating all the way generates and exports at least ultrasonic wave all the way；
Signal acquisition unit is connect with the processor and the power amplifier, for adopting from the power amplifier
For driving signal to obtain signal parameter, the processor output is based on the signal after at least modulating all the way described in collecting amplified
The first control signal of gain of parameter gives the signal generator.
In terms of existing technologies, ultrasonic therapy device provided by the utility model at least has below beneficial to effect
Fruit: ultrasonic therapy device includes processor, signal generator, modulation unit, power amplifier, ultrasonic transducer and signal
Acquisition unit.Wherein, signal generator is connect with processor, for generating simultaneously output drive signal；Modulation unit and signal are sent out
Raw device connection is obtained and is exported and at least modulate rear-guard all the way for receiving from signal generator and being modulated to driving signal
Dynamic signal；Power amplifier is connect with modulation unit, for receiving from modulation unit and to driving signal after at least modulating all the way
It amplifies；Ultrasonic transducer is connect with power amplifier, at least adjusting all the way from power amplifier reception is amplified
Driving signal after system generates and exports at least ultrasonic wave all the way；Signal acquisition unit is connect with processor, is used for from power amplification
Device acquires amplified driving signal after at least modulating all the way to obtain signal parameter, and processor output is obtained based on signal parameter
First control signal to signal generator.The ultrasonic therapy device circuit structure is simple, is easily achieved, and is conducive to reduce dress
The volume set.In addition, the signal parameter that the device is acquired by signal acquisition unit, so that processor generates first control signal
With control signal generator, facilitate the ultrasonic wave that operator controls output according to demand.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, be cited below particularly the utility model compared with
Good embodiment, and cooperate appended attached drawing, it is described in detail below.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is one of the block diagram for the ultrasonic therapy device that the utility model preferred embodiment provides.
Fig. 2 is the structural schematic diagram for the ultrasonic therapy device that the utility model preferred embodiment provides.
Fig. 3 is the two of the block diagram for the ultrasonic therapy device that the utility model preferred embodiment provides.
Fig. 4 is the three of the block diagram for the ultrasonic therapy device that the utility model preferred embodiment provides.
The circuit theory signal of signal acquisition in the ultrasonic therapy device that Fig. 5 provides for the utility model preferred embodiment
Figure.
Icon: 100- ultrasonic therapy device；110- processor；111- signal generator；112- modulation unit；113- function
Rate amplifier；114- ultrasonic transducer；115- signal acquisition unit；120- Switching Power Supply；140- matching unit；150- input
Control unit；160- device noumenon；170- focusing structure；180- power supply unit；190- controller.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to
The range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " in ", "upper", "lower", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses
When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitations of the present invention.In addition, term " first ", " second " etc. be only used for distinguish description, and should not be understood as instruction or
Imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.It can be mechanical connection, be also possible to be electrically connected.It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment and embodiment stated can be combined with each other.
Please refer to Fig. 1, the block diagram of the ultrasonic therapy device 100 provided for the utility model preferred embodiment it
One.Ultrasonic therapy device 100 provided by the utility model can be used for treating the diseases such as tumour, skin discoloration.Understandably,
The ultrasonic therapy device 100 can be adapted for medical industry, be readily applicable to beauty industry.The ultrasonic therapy device
100 may include processor 110, signal generator 111, modulation unit 112, power amplifier 113, ultrasonic transducer 114
And signal acquisition unit 115, for generating the controllable ultrasonic wave of at least channel output, and then facilitate operator according to need
Seek the acoustic wave parameter for adjusting output ultrasonic wave, wherein the acoustic wave parameter includes the frequency and/or amplitude of ultrasonic wave.
In the present embodiment, signal generator 111 is connect with processor 110, is at least driven all the way for generating and exporting
Signal.Modulation unit 112 is connect with signal generator 111, for receiving from the signal generator 111 and to described at least one
Road driving signal is modulated, obtain and export at least modulate all the way after driving signal, for example, by driving signal according to default tune
Strategy processed is modulated.Power amplifier 113 is connect with modulation unit 112, for receiving from the modulation unit 112 and to institute
It states driving signal after at least modulating all the way to amplify, for example modulated driving signal is amplified, amplification factor can
It is configured, is not especially limited here according to the actual situation.Ultrasonic transducer 114 is connect with the power amplifier 113,
For from the power amplifier 113 receive it is amplified it is described at least modulate all the way after driving signal, generate and export at least
Ultrasonic wave all the way.Signal acquisition unit 115 is connect with the processor 110 and the power amplifier 113, is used for from the function
Rate amplifier 113 acquire it is amplified it is described at least modulate all the way after driving signal to obtain signal parameter, the processor 110
The first control signal obtained based on the signal parameter is exported to the signal generator 111, which may include
Frequency, current value and the voltage value of driving signal.
Understandably, processor 110 is used for the signal parameter control signal generator fed back according to signal acquisition unit 115
111 generate new driving signal, so that new driving signal is modulating amplified signal parameter within a preset range.This is default
Range can be set according to the actual situation, be not especially limited here.
Understandably, signal generator 111 can produce driving signal all the way, or generate multi-channel drive signal.For example,
If driving signal all the way, ultrasonic transducer 114 can generate the output of one or more channel according to driving signal all the way
Ultrasonic wave.If multi-channel drive signal, ultrasonic transducer 114 can generate the super of multiplexer channel output according to multi-channel drive signal
Sound wave, every road driving signal and the ultrasonic wave of the output of channel all the way correspond.Namely ultrasonic transducer 114 can be used for
The ultrasonic wave for generating single channel output can be used for the ultrasonic wave for generating multichannel output, logical to the output of ultrasonic wave here
Road is not especially limited.
Default modulation strategy may include, but be not limited to amplitude modulation (amplitude modulation ASK), frequency modulation(PFM) (frequency modulation FSK) and phase
Position modulation (phase modulation PSK), is not especially limited here.
In the present embodiment, driving signal is corresponding with the ultrasonic wave of generation, the signal parameter and ultrasonic wave of driving signal
Acoustic wave parameter it is associated.For example, driving signal frequency and ultrasonic wave frequency dependence join, the electric current of driving signal and/or
Voltage is associated with the amplitude of ultrasonic wave.It namely can be by adjusting the frequency of driving signal, so as to adjust ultrasonic transducer
The frequency of 114 ultrasonic waves generated；It can be by adjusting the current value and/or voltage value of driving signal, so as to adjust ultrasonic wave
Amplitude.
Referring to figure 2., the structural schematic diagram of the ultrasonic therapy device 100 provided for the utility model preferred embodiment.
Optionally, ultrasonic therapy device 100 includes device noumenon 160 and focusing structure 170.Device noumenon 160 is for accommodating ultrasound
Each electronic device in wave medical device 100.One end of device noumenon 160 is arranged in focusing structure 170, using as with target point
The probe of contact.Understandably, which is the region to be treated on object to be treated (for example, people or other biological)
(for example, skin discoloration region).
In the present embodiment, focusing structure 170 is used to for the ultrasonic wave that channel all the way exports being focused, that is, can incite somebody to action
The ultrasonic wave of output gathers a bit, to generate high-intensitive energy.Specifically, the focusing structure 170 is far from device noumenon 160
One end be indent arc-shaped curved surface so that output ultrasonic wave can gather a bit.
When in use, operator can be by 170 alignment target point of focusing structure, and keeps its focus corresponding with pathological tissues,
Then start ultrasonic therapy device 100, high-intensitive energy will be generated in focal point, so that the pathological tissues of focal point solidify
Property necrosis, to achieve the purpose that treatment.
Referring to figure 3., the block diagram of the ultrasonic therapy device 100 provided for the utility model preferred embodiment it
Two.Ultrasonic therapy device 100 can also include Switching Power Supply 120.The Switching Power Supply 120 is connect with processor 110, and being used for will
Alternating current is converted to the power supply at least exported all the way.Its power supply exported is used to mention for each electronic device of ultrasonic therapy device 100
For electric energy.The electronic device includes processor 110, signal generator 111, ultrasonic transducer 114 etc..
Further, Switching Power Supply 120 may include power adapter and the low voltage difference line connecting with the power adapter
Property voltage-stablizer (low dropout regulator, LDO).Low pressure difference linear voltage regulator is matched with power adapter, can be made
Power adapter convert the power supply to be formed voltage it is more stable.
Wherein, power adapter may include AC-DC power adapter, DC-DC power source conversion device.The conversion of AC-DC power supply
Device can be used for the alternating current that alternating current is 220V being converted to direct current.DC-DC power source conversion device can convert AC-DC power supply
The direct current that device is converted to is further converted into the DC power supply of one or more output, for ultrasonic therapy device 100
The middle circuit for needing to be isolated or electronic device use.
Power supply after low pressure difference linear voltage regulator can convert power adapter plays pressure stabilization function, that is, in alternating current
In the biggish situation of voltage fluctuation, low pressure difference linear voltage regulator may make the shadow of the city the supply voltage Bu Shou electro-mechanical wave after conversion
It rings, so that the voltage of conversion maintains in stable voltage range, which can be configured according to the actual situation,
Here it is not especially limited.
In the present embodiment, the power supply of the electronic device in ultrasonic therapy device 100 is usually direct current, different type
The supply voltage of electronic device there may be differences.And Switching Power Supply 120 can provide and match with all types of electronic devices
Power supply, that is, alternating current can be converted to the confession that multichannel is matched with all types of electronic devices by Switching Power Supply 120
The parameter (including electric current and voltage) of power supply, the power supply after conversion can be configured according to each electronic device, not made here
It is specific to limit.
In the present embodiment, ultrasonic therapy device 100 can also include bus communication unit.Bus communication unit and place
Manage device 110, signal generator 111, modulation unit 112, power amplifier 113, ultrasonic transducer 114 and signal acquisition unit
115 equal electronic devices connections, to realize the data interaction between each electronic device.For example, processor 110 can be logical by bus
Letter unit is connect with signal acquisition unit 115, to obtain the signal parameter of the driving signal of acquisition from signal acquisition unit 115.
The bus communication unit includes but is not limited to RS485 bus, CAN bus etc., is not especially limited here.
Optionally, ultrasonic therapy device 100 further includes the matching unit 140 connecting with ultrasonic transducer 114.Matching
Unit 140 includes at least one build-out resistor.If build-out resistor be it is multiple, multiple build-out resistors can by series connection and/or simultaneously
Connection forms a new equivalent resistance, which is matching unit 140.
In the present embodiment, the both ends of at least partly signal line in bus communication unit can respectively in parallel or series
One matching unit 140 is set, so that matching unit 140 is connect with ultrasonic transducer 114.Namely the two of signal line
Difference a build-out resistor or equivalent resistance in parallel or series are held, the impedance of the build-out resistor and equivalent resistance can be according to practical feelings
Condition is configured, so that output drive signal matches with ultrasonic transducer 114, does not make to have to the impedance of build-out resistor here
Body limits.
Generally, the impedance of signal source (such as power supply after the conversion of Switching Power Supply 120) is lower, the load with signal wire
(for example, signal acquisition unit 115) corresponding impedance mismatch or impedance discontinuity (for example, in pure resistor element circuit, the two
Equal resistance is impedance matching).If impedance mismatch or impedance discontinuity, signal will lead in signal line transmission process
It is middle to reflect, it can not normally realize data communication.The matching unit 140 of setting can make the impedance of signal source and bearing for signal wire
The impedance of load, which matches, keeps its impedance continuous.It reduces signal to reflect in transmission process, avoids oscillation etc..
Optionally, ultrasonic therapy device 100 can also include the input control unit 150 connecting with processor 110.It should
Input control unit 150 may be, but not limited to, numeric keypad, button, knob, touching display screen etc..The processor 110 is also
Input signal based on the input control unit 150 generates and exports second control signal, and the signal generator 111 is from institute
Processor 110 is stated to receive the second control signal and generate new driving signal.
Understandably, operator can input the input signal of specified gear, the ultrasonic wave by input control unit 150
Medical device 100 can issue ultrasonic wave corresponding with the gear.For example, operator can pass through input control according to demand
Unit 150 controls the frequency and amplitude for the ultrasonic wave that ultrasonic therapy device 100 generates, here to controllable frequency range and vibration
Width range is not especially limited.
Specifically, after receiving an input signal, control signal generator 111 is generated and input signal for processor 110
Corresponding driving signal, after the driving signal is modulated and amplification, ultrasonic transducer 114 can be according to modulating amplified drive
Dynamic signal generates ultrasonic wave corresponding with gear.
In the present embodiment, signal acquisition unit 115 includes but is not limited to current transformer, voltage transformer, phase difference
Processing circuit.The high voltage signal equal proportion of output can be reduced to circuit by voltage transformer can be with the low-voltage of identifying processing
Signal is handled.Current transformer can will output electric current be transformed into circuit can be with the low current signal of identifying processing at
Reason.Phase difference processing circuit is for being converted into pulse signal, then leading to after voltage signal and current signal are done zero-crossing comparator
It crosses XOR circuit and takes out phase signal.Processor 110 may be, but not limited to, central processing unit, STM32 single-chip microcontroller,
At least one of dsp chip, fpga chip.
Optionally, ultrasonic therapy device 100 can also include the controller 190 connecting with processor 110.Controller
190 can be connect by bus communication unit with processor 110, realize that multichannel ultrasonic is defeated for generating control processor 110
Control signal out.Processor 110 receives the control signal that controller 190 exports, and is based on the control signal, realizes multichannel
The control of ultrasonic wave output.For example, user can be realized by controller 190 to the number of channels of output ultrasonic wave according to demand
Control.
Understandably, if by processor 110, signal generator 111, modulation unit 112, power amplifier 113, ultrasonic wave
Energy converter 114 and signal acquisition unit 115 are used as a medical supply unit structure, and ultrasonic therapy device 100 may include multiple
The medical supply unit structure, and controller 190 can be connect with the processor 110 in each medical supply unit structure, to realize multi-pass
The control of road ultrasonic wave output.
Further, controller 190 can be the electronic device with function same or like with above-mentioned processor 110,
For example, controller 190 can be SMT32 series monolithic.Certainly, in other embodiments, controller 190 can also be by it
He substitutes equipment, such as can be by computer equipment alternative controls 190.
Based on above-mentioned design, 100 circuit structure of ultrasonic therapy device is simple, is easily achieved, and helps to reduce ultrasound
The volume of wave medical device 100 reduces its manufacturing cost.Operator can control according to demand the ultrasonic wave of generation frequency and
Amplitude, and then expand its scope of application.In addition, passing through the letter of the amplified driving signal of 115 feedback modulation of signal acquisition unit
Number parameter, processor 110 are based on the signal parameter and preset parameter area, and control signal generator 111 generates new driving
Signal so that new driving signal modulation amplification after its signal parameter within a preset range, thus realize ultrasonic wave output
Closed-loop control helps to improve the control precision to ultrasonic energy.
Referring to figure 4., the block diagram of the ultrasonic therapy device 100 provided for the utility model preferred embodiment it
Three.In another embodiment, ultrasonic therapy device 100 in addition to may include above-mentioned processor 110, signal generator 111,
It can also include power supply except modulation unit 112, power amplifier 113, ultrasonic transducer 114 and signal acquisition unit 115
Unit 180, the power supply unit 180 are used to provide electric energy for each electronic device in ultrasonic therapy device 100.
Understandably, the electricity of type needed for power supply unit 180 can provide each electronic device in ultrasonic therapy device 100
Source.The power supply unit 180 may be, but not limited to, dry cell, lithium ion battery, lead storage battery etc., be not especially limited here.
Referring to figure 5., the electricity of signal acquisition in the ultrasonic therapy device 100 provided for the utility model preferred embodiment
Road schematic illustration.Understandably, circuit shown in Fig. 5 is the principle signal of the partial circuit of ultrasonic therapy device 100
Driving signal is fed back to processor 110 for acquiring driving signal by figure, the partial circuit.
In the present embodiment, the circuit of signal acquisition may include that XOR gate chip U2, voltage comparator U1, voltage compare
Device U3, voltage transformer T1, current transformer T2, output terminals A D_HZ and output terminals A D_CURRENT.Because sampling electric current and
There are phase differences because of detuning reason for voltage signal, so as to cause signal (the i.e. cores of XOR gate chip U2 two inputs of input
The signal of A, B pin input of piece U2) there is sequencing, by XOR operation it can be concluded that the phase difference of the two, through over commutation
Direct current signal is exported after filtering, the direct current signal is directly proportional to the phase difference of actual ultrasonic output voltage and electric current.Voltage is mutual
Sensor T1 is used to acquire the voltage signal (i.e. driving signal) of ultrasound output, and current transformer T2 is used to acquire the electricity of ultrasound output
It flows signal (i.e. driving signal).Voltage comparator U1 is used to for the sine waveform of the voltage signal of sampling to be converted into square wave letter
Number, voltage comparator U2 is used to the sine waveform of the current signal of sampling being converted into square-wave signal.Intelligible, voltage is mutual
Sensor T1 and current transformer T2 is just signal acquisition unit 115.
Specifically, the two pins of current transformer T2 bridge resistance R6, a ground connection in two pins, another pin with
The anode connection of No. 1 pin (positive input pin) and diode D1 of voltage comparator U3, the cathode of diode D1 is by electricity
Resistance R7 is connect with output terminals A D_CURRENT, and the one end of resistance R7 far from diode D1 is connect with capacitor C5, and is connect by capacitor C5
Ground.Wherein, diode D1, resistance R7 and capacitor C5 form an one-way commutation filter circuit, it can be determined that ultrasonic electric current it is defeated
Size out.
No. 2 pins (cathode input pin) of voltage comparator U3 are grounded via resistance R8, and No. 8 of voltage comparator U3 are drawn
Foot can connect feeder ear, and No. 8 pins of voltage comparator U3 are also grounded via capacitor C4.No. 5 pins of voltage comparator U3 connect
Ground.No. 6 pins of voltage comparator U3 connect to be connect with the A pin of resistance R5 and XOR gate chip U2.Resistance R5 is far from XOR gate
One end of chip U2 is connect with feeder ear.
The two pins of voltage transformer T1 bridge resistance R1, a ground connection in voltage transformer T1 two pins, another
No. 1 pin (positive input pin) of pin and voltage comparator U1.
No. 2 pins of voltage comparator U1 are grounded via resistance R3, and No. 5 pins of voltage comparator U1 are directly grounded；Electricity
No. 6 pins and No. 8 pin bridgings for pressing comparator U1 have resistance R2.No. 8 pins of voltage comparator U1 also connect via capacitor C1
Ground, in addition its No. 8 pins are also connect with feeder ear.No. 6 pins of pressure comparator U1 are connect via resistance R2 with feeder ear, and 6
Number pin is also connect with the B pin of XOR gate chip U2.
The grounding pin GND of XOR gate chip U2 is grounded, and supply input pin VCC is connect with feeder ear, and supply input is drawn
Foot VCC also passes through capacitor C3 and is grounded.The Y pin of XOR gate chip U2 is connect via resistance R4 with output terminals A D_HZ, output end
AD_HZ also passes through capacitor C2 and is grounded.It is worth noting that the one end of output terminals A D_HZ far from resistance R4 is for connecing processor
The one end of 110, output terminals A D_CURRENT far from resistance R7 for connecing processor 110, above-mentioned resistance, capacitor parameter can basis
Actual conditions are selected, and the supply voltage of feeder ear can be 3.3V.
In conclusion the utility model provides a kind of ultrasonic therapy device.The ultrasonic therapy device include processor,
Signal generator, modulation unit, power amplifier, ultrasonic transducer and signal acquisition unit.Wherein, signal generator and place
Device connection is managed, for generating simultaneously output drive signal；Modulation unit is connect with signal generator, for receiving from signal generator
And driving signal is modulated, obtain and export at least all the way modulate after driving signal；Power amplifier and modulation unit connect
It connects, for receiving from modulation unit and being amplified to driving signal after at least modulating all the way；Ultrasonic transducer is put with power
Big device connection, for from power amplifier receive it is amplified at least modulate all the way after driving signal, generate and export at least one
Road ultrasonic wave；Signal acquisition unit is connect with processor, for from power amplifier acquisition it is amplified at least all the way modulate after
For driving signal to obtain signal parameter, processor exports the first control signal based on signal parameter acquisition to signal generator.
The ultrasonic therapy device circuit structure is simple, is easily achieved, and is conducive to the volume for reducing device.In addition, the device passes through letter
The signal parameter of number acquisition unit acquisition helps to grasp so that processor generates first control signal with control signal generator
Make the ultrasonic wave that personnel control output according to demand.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of ultrasonic therapy device characterized by comprising
Processor；
Signal generator is connected to the processor, for generating simultaneously output drive signal；
Modulation unit is connect with the signal generator, for from the signal generator receive and to the driving signal into
Row modulation, obtain and export at least all the way modulate after driving signal；
Power amplifier is connect with the modulation unit, for receiving from the modulation unit and at least modulating all the way to described
Driving signal amplifies afterwards；
Ultrasonic transducer is connect with the power amplifier, for from the power amplifier receive it is amplified it is described at least
Driving signal after modulating all the way generates and exports at least ultrasonic wave all the way；
Signal acquisition unit is connect with the processor and the power amplifier, for putting from power amplifier acquisition
For driving signal to obtain signal parameter, the processor output is based on the signal parameter after described after big is at least modulated all the way
The first control signal of acquisition gives the signal generator.
2. ultrasonic therapy device according to claim 1, which is characterized in that the ultrasonic therapy device further include with
The Switching Power Supply of processor connection, for alternating current to be converted to the power supply at least exported all the way, which is used to be the ultrasound
Wave medical device provides electric energy.
3. ultrasonic therapy device according to claim 2, which is characterized in that the Switching Power Supply includes power adapter
And the low pressure difference linear voltage regulator being connect with the power adapter, the low pressure difference linear voltage regulator and the power adapter
It matches, for alternating current to be converted to the DC power supply that at least burning voltage exports all the way.
4. ultrasonic therapy device according to claim 1, which is characterized in that the ultrasonic therapy device further includes total
Line communication unit and controller, the bus communication unit are connect with the processor and the controller, the bus communication
Unit includes RS485 bus or CAN bus.
5. ultrasonic therapy device according to claim 4, which is characterized in that the ultrasonic therapy device further include with
The matching unit of the ultrasonic transducer connection, the matching unit includes at least one and the ultrasonic transducer phase
The build-out resistor matched.
6. ultrasonic therapy device according to claim 1, which is characterized in that the ultrasonic therapy device further include with
The input control unit of the processor connection, input signal of the processor also based on the input control unit generate simultaneously
Second control signal is exported, the signal generator receives the second control signal from the processor and generates new driving
Signal.
7. ultrasonic therapy device according to claim 1, which is characterized in that the ultrasonic transducer, which is provided with, to be used for
The focusing structure that the ultrasonic wave is focused.
8. ultrasonic therapy device according to claim 1, which is characterized in that the signal acquisition unit includes that electric current is mutual
Sensor and/or voltage transformer.
9. ultrasonic therapy device according to claim 1, which is characterized in that the processor include central processing unit,
At least one of STM32 single-chip microcontroller, dsp chip, fpga chip.
10. a kind of ultrasonic therapy device characterized by comprising
Processor；
Power supply unit is connected to the processor；
Signal generator is connected to the processor, for generating simultaneously output drive signal；
Modulation unit is connect with the signal generator, for from the signal generator receive and to the driving signal into
Row modulation, obtain and export at least all the way modulate after driving signal；
Power amplifier is connect with the modulation unit, for receiving from the modulation unit and at least modulating all the way to described
Driving signal amplifies afterwards；
Ultrasonic transducer is connect with the power amplifier, for from the power amplifier receive it is amplified it is described to
It is few modulate all the way after driving signal, generate and export at least ultrasonic wave all the way；
Signal acquisition unit is connect with the processor and the power amplifier, for putting from power amplifier acquisition
For driving signal to obtain signal parameter, the processor output is based on the signal parameter after described after big is at least modulated all the way
The first control signal of acquisition gives the signal generator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490066.7U CN209060388U (en) | 2018-04-04 | 2018-04-04 | Ultrasonic therapy device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490066.7U CN209060388U (en) | 2018-04-04 | 2018-04-04 | Ultrasonic therapy device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115475326A (en) * | 2022-09-27 | 2022-12-16 | 重庆金山医疗技术研究院有限公司 | Ultrasonic capsule |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115475326A (en) * | 2022-09-27 | 2022-12-16 | 重庆金山医疗技术研究院有限公司 | Ultrasonic capsule |
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