CN203104299U - Frequency-variable wave-variable functional module - Google Patents
Frequency-variable wave-variable functional module Download PDFInfo
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- CN203104299U CN203104299U CN 201220737169 CN201220737169U CN203104299U CN 203104299 U CN203104299 U CN 203104299U CN 201220737169 CN201220737169 CN 201220737169 CN 201220737169 U CN201220737169 U CN 201220737169U CN 203104299 U CN203104299 U CN 203104299U
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Abstract
The utility model provides a frequency-conversion wave-conversion functional module, which comprises a voltage conversion unit, a full-bridge output unit, an optical coupler isolation unit, an MCU (Micro-programmed Control Unit), a data interface unit and a control unit. The voltage conversion unit converts voltage; the full-bridge output unit outputs final module output signals; the optical coupler isolation unit is connected with the full-bridge output unit, and generates multipath signals in different frequencies and interlocked with signals in the input end of the full-bridge output unit; the MCU controls the whole module; and the data interface unit and the control unit are connected with the MCU, the data interface unit is communicated with the external, and the control unit controls output signals of the module. The frequency-conversion wave-conversion functional module can convert sine wave voltage in single frequency into non-sine wave signals in different frequencies, and outputs the signals; can generate 25Hz, 50Hz and 75Hz non-sine wave electromagnetic fields when being applied to a high-voltage potential therapeutic instrument; and can reduce influences on therapeutic effects caused by survivability when applied to human body.
Description
Technical field
The utility model relates to a kind of device that frequency conversion becomes wave energy that has, and more particularly relates to a kind of frequency conversion that can apply on electric field therapy equipment or the Other Instruments and becomes the wave energy module.
Background technology
In the physical treatment field, electric field therapy equipment is a kind of therapeutic equipments in vogue both at home and abroad at present.Be characterized in, need not electrode, but produce high pressure low-frequency alternating electric field and magnetic field around relying on an energising cloth, when the patient is sitting on the energising cloth, act on indirectly and human body by high pressure low-frequency alternating electric field and magnetic field, in its human body, produce charge inducing, reach the purpose of health therapy.
Most electric field therapy equipments of Shi Yonging in the market, its general circuit theory diagrams such as accompanying drawing 1.Its operation principle all is to utilize AC220V generation high-voltage alternating electric field to act on human body to carry out health therapy, and its operating frequency is 50Hz, and its waveform is an AC sine wave, and the frequency and the waveform of the high-voltage alternating electric field that produces when treatment all are changeless.In the long periods of treatment process, find, if use the high-voltage alternating electric field of fixed frequency fixed waveform to treat some disease always, the patient in use for some time, self can produce certain tolerance, curative effect reduces greatly.
Medical physics treatment field needs a kind of device that frequency conversion becomes wave energy that has that can apply to electric field therapy equipment at present.
The utility model content
In order to address the above problem, a kind of frequency conversion that the utility model provides becomes the wave energy module, and it comprises:
Voltage conversion unit receives an alternating voltage and converts a direct current voltage to;
The full-bridge output unit that is connected with described voltage conversion unit, it receives described direct voltage and exports a module output signal with certain frequency and waveform, and described module output signal is the final output signal of this module;
With the light-coupled isolation unit that described full-bridge output unit is connected, the signal that it receives multiple signals and produce the multichannel different frequency of the input end signal interlocking that makes described full-bridge output unit after logical operation;
Be used to control the MCU of described voltage conversion unit, full-bridge output unit and light-coupled isolation unit;
And the data interface unit of being used for of being connected with described MCU and PERCOM peripheral communication and be used to control the control unit of described module output signal.
Preferably, it also comprises a display unit, and described display unit comprises the demonstration of described module output signal output time and the demonstration of output frequency.
Preferably, described voltage conversion unit comprises an AC/DC converter, a current-limiting resistance, a capacitor and a relay, and described relay is by being connected with described MCU and controlling.
Preferably, the alternating voltage generation amplitude range of described voltage conversion unit reception amplitude 50V frequency 50Hz is the direct voltage of 60-70V.
Preferably, described full-bridge output unit comprises a full-bridge output circuit and a LC filter circuit of being made up of the MOSFET pipe, the input that described full-bridge output circuit receives described direct voltage produces the scope output voltage identical with described alternating voltage, and described LC filter circuit carries out the described module output signal of generation after the filtering to the output voltage of described full-bridge output circuit.
Preferably, described light-coupled isolation unit comprises a logical operation circuit, an optical coupling isolation circuit and a DC/DC transducer.
Preferably, described logical operation circuit receives described MCU to carry out exporting to described optical coupling isolation circuit after the logical operation by programming and to X, the Y two paths of signals of exporting from the I/O mouth of described MCU, described DC/DC transducer is converted to 12V voltage with the 5V input voltage and exports to described optical coupling isolation circuit, and described optical coupling isolation circuit receives X, the Y two-way interlocking signal after logical operation.
Preferably, described control unit comprises the time key circuit of the described module output signal of the control output switch key circuit that begins and stop, the described module output signal timing of control and controls the frequency keying circuit of described module output signal output frequency numerical value.
Preferably; described data interface unit comprises a RS485 output interface, input protection circuit and RS485 communication control circuit, and described data interface unit receives external equipment and controls the signal of described module output signal frequency numerical value and the signal that the described module output signal of control begins and stops.
Preferably, described module output signal comprises that frequency values is the non-sinusoidal waveform of 25Hz, 50Hz and 75Hz.
The utility model output signal is that frequency values is three kinds of non-sinusoidal waveforms of 25Hz, 50Hz and 75Hz, it applies to the electromagnetic field that electric field therapy equipment can produce the non-sinusoidal waveform of 25Hz, 50Hz, 75Hz, and it acts on people's physical efficiency and reduces the influence that the effect for the treatment of is caused because of tolerance; The utility model can independently produce frequency conversion and become the ripple signal, it is packed into does not have on the present market frequency conversion to become in the electric field therapy equipment of wave energy, can become wave energy so that this electric field therapy equipment also has this frequency conversion, also can be in the designing technique adding New Product's Design of this frequency conversion change wave energy old product being updated.
Description of drawings
Fig. 1 is the circuit theory diagrams of existing electric field therapy equipment;
The frequency conversion that Fig. 2 provides for the utility model becomes the circuit theory diagrams of wave energy module;
The circuit theory diagrams of the application examples one that Fig. 3 provides for the utility model;
The circuit theory diagrams of the application examples two that Fig. 4 provides for the utility model.
Embodiment
Embodiment
Referring to the accompanying drawing that the utility model embodiment is shown, hereinafter the utility model will be described in more detail.Yet the utility model can be with many multi-form realizations, and should not be construed as the restriction of the embodiment that is subjected in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes those skilled in the art understand scope of the present utility model fully.
As shown in Figure 2, the utility model provides a kind of frequency conversion to become the wave energy module, and it comprises:
Voltage conversion unit receives an alternating voltage and converts a direct current voltage to;
The full-bridge output unit that is connected with described voltage conversion unit, it receives described direct voltage and exports a module output signal with certain frequency and waveform, and described module output signal is the final output signal of this module;
With the light-coupled isolation unit that described full-bridge output unit is connected, the signal that it receives multiple signals and produce the multichannel different frequency of the input end signal interlocking that makes described full-bridge output unit after logical calculated;
Be used to control the MCU of described voltage conversion unit, full-bridge output unit and light-coupled isolation unit;
And the data interface unit of being used for of being connected with described MCU and PERCOM peripheral communication and be used to control the control unit of described module output signal.
In this example, it also comprises a display unit, and described display unit comprises the demonstration of described module output signal output time and the demonstration of output frequency.The frequency numerical value that shows specifically is 25Hz, 50Hz, 75Hz, and the timing numerical value of demonstration is 10min, 20min, 30min, 40min, 50min, 60min, and display device is to use the LED light-emitting diode.
Voltage conversion unit described in this example comprises an AC/DC converter, a current-limiting resistance, a capacitor and a relay, and described relay is by being connected with described MCU and controlling.Concrete, connect moment at power supply AC50V 50Hz, input voltage charges limit inrush currents through AC/DC converter (full-wave bridge rectifier) and current-limiting resistance to capacitor C1; When filter capacitor C is charged to about 80% rated voltage, MCU control relay K1 adhesive, relay normally open contact K1-1 and K1-2 closure, and short circuit current limitation resistance R 1, the AC/DC converter is in normal operating condition; The voltage of AC5V-50V frequency 50Hz is the direct voltage of 60V-70V by AC/DC converter generation amplitude, separately the full-bridge output circuit power supply of forming for the MOSFET pipe.
In this example, described full-bridge output unit comprises a full-bridge output circuit and a LC filter circuit of being made up of the MOSFET pipe, the input that described full-bridge output circuit receives described direct voltage produces the scope output voltage identical with described alternating voltage, and described LC filter circuit carries out the described module output signal of generation after the filtering to the output voltage of described full-bridge output circuit.The frequency of full-bridge output circuit is controlled by MCU, the input voltage design of this modular device changes between AC5V～50V, this full-bridge output circuit output voltage values changes along with the variation of this input voltage, the LC filter circuit has very strong inhibitory action to AC noise, can be so that frequency output is more level and smooth.
Described light-coupled isolation unit comprises a logical operation circuit, an optical coupling isolation circuit and a DC/DC transducer.Described logical operation circuit receives described MCU to carry out exporting to described optical coupling isolation circuit after the logical calculated by programming and to X, the Y two paths of signals of exporting from the I/O mouth of described MCU, described DC/DC transducer is converted to 12V voltage with the 5V input voltage and exports to described optical coupling isolation circuit, and described optical coupling isolation circuit receives X, the Y two-way interlocking signal after logical operation.
Described control unit comprises the time key circuit SB2 of the described module output signal of the control output switch key circuit SB1 that begins and stop, the described module output signal timing of control and controls the frequency keying circuit SB3 of described module output signal output frequency numerical value.
Described data interface unit comprises a RS485 output interface, input protection circuit and RS485 communication control circuit, and described data interface unit receives external equipment and controls the signal of described module output signal frequency numerical value and the signal that the described module output signal of control begins and stops.
What the utility model was imported into is the sine wave of 50Hz, and the waveform of output is not the non-sinusoidal waveform of 25Hz, 50Hz, 75Hz through frequency conversion and change wavelength-division.
The utility model can apply to now illustrate its purposes on the instrument of electric field therapy equipment and other type utilization electric potential therapy method.
Application examples one
As shown in Figure 3, on the high electrograph therapy instrument that does not originally have frequency conversion change wave energy module, added the frequency conversion change wave energy module that the utility model provides, become wave energy thereby make this electric field therapy equipment have frequency conversion.
Concrete structure and principle are as follows, and relay K 4, K5 are that the control therapeutic equipment switches the control switch device that has or not frequency conversion to become wave energy, and when it did not have adhesive cold, frequency conversion became the wave energy modular device and do not work.The voltage of～220V 50Hz forms the work loop by elementary, K5-2 and K5-4, FU2, the power supply N of S1 switch connection, FUI, K4-1 and K4-3, K5-3 and K5-1, T1 coil.The different voltages of T1 transformer secondary output are added on T2 high-tension transformer elementary by the adhesive of controlling different relays, on it secondary, induce simultaneously～3500V or～7000V or～high pressure of 9000V, therapeutic equipment output be the 50Hz sine wave.In the time of relay K 4, the adhesive of K5 coil electricity, their normally-closed contact K4-1 and K4-3 branch are opened, K4-2 and K4-4 branch are opened, K5-1 and K5-3 branch are opened, K5-2 and K5-4 branch are opened, their normally opened contact K4-1 and K4-5 connection, K5-1 and K5-5 connect, K5-2 and K5-6 connect, K4-2 and K4-6 connect, the alternating voltage of AC220V 50Hz is added on T3 power transformer elementary, and the voltage of its secondary output～50V 50Hz inserts in the input interface that frequency conversion becomes the AC/DC converter on the wave energy modular device.
Originally therapeutic equipment+5V DC power supply inserts frequency conversion and becomes on the wave energy modular device+5V DC power input interface.Press SB2 selection of time button and can select what minutes of treatment time, or At All Other Times (its maximum setting-up time can arrive 10 hours) as 10 minutes, 20 minutes.Press SB3 ripple frequency selection key and can select to export the waveform and the frequency of high pressure, it can distinguish the 1st kind of waveform of display frequency 50Hz (this gear is the 50Hz sine wave), the 2nd kind of waveform of 25Hz, the 3rd kind of waveform of 50Hz, the 4th kind of waveform of 75Hz, and back three kinds of waveforms are non-sinusoidal waveforms.Press SB1 and start/stop key, therapeutic equipment is externally exported the waveform of setting and the high pressure of frequency.If interrupt or stop treatment exporting, start/stop key as long as click SB1 again.Frequency conversion becomes the wave energy modular device and externally exports by 25Hz, 50Hz, 75Hz frequency signal output interface.Its output voltage is added on T4 power transformer elementary, carries out the high pressure that voltage is carried assorted output different frequency and waveform by T1, T2 secondary transformer.Can adjust the different voltages of T1 transformer secondary output output by control K1, K2, the different adhesive of K3 relay.Thereby can make high-tension transformer output～3500V ,～7000V ,～high pressure of 9000V different frequency and waveform.Act on human body by energising cloth again and reach minimizing influences treatment because of the problem of tolerance effect.
Application examples two
As shown in Figure 4, be the electric field therapy equipment circuit theory diagrams that frequency conversion becomes wave energy that have that should use-case, comprise and have main frame and the energising cloth that frequency conversion becomes wave energy.Host machine part is made up of main circuit (strong power part) and control circuit (weak current part) two partial circuits.The alternating voltage of main circuit part A C220V 50HZ through S1, FU1, FU2 be added in the T1 power transformer elementary on, T1 level tap winding output～19V ,～39V, three groups of different voltages of～50V, through the normally-closed contact loop of K4, K5 relay be added in the T2 high-tension transformer elementary on, through the T2 high-tension transformer be coupling in secondary output～3500V or～7000V or～the 9000V high pressure.Its waveform is sinusoidal wave, and frequency is 50Hz.K1-1 and K1-2, K2-1
And K2-2, K3-1 and K3-2 are the normally opened contacts of relay, just can control the different high pressure of high-tension transformer output by adhesive, the disconnection of controlling different relay coils, R1 is the current-limiting resistance in the high tension loop, it make that the high pressure output current is controlled at that the people can bear safe current scope the inside.The output high pressure is connected on the energising cloth and produces electric field, and the people is sitting on the energising cloth and carries out health therapy.Relay K 4, K5 are that the control therapeutic equipment switches the switching device that has or not frequency conversion to become wave energy, when it does not have adhesive cold, its normally-closed contact K4-1 and K4-3, K4-2 and K4-4, K5-1 and K5-3, K5-2 and K5-4 connect, the output voltage of T1 transformer secondary output is added to the elementary of T2 transformer, the secondary output～3500V of T2 transformer or～7000V or～the 9000V high pressure, its waveform is sinusoidal wave, frequency is 50Hz.
In the time of relay K 4, the adhesive of K5 coil electricity, their normally-closed contact K4-1 and K4-3, K4-2 and K4-4, K5-1 and K5-3, K5-2 and K5-4 branch are opened, their normally opened contact K4-1 and K4-5, K4-2 and K4-6, K5-1 and K5-5, K5-2, K5-6 connect.The alternating voltage of AC220V 50Hz is added on T1 power transformer elementary, its secondary output～19V or～39V or～50V voltage.K1-1 and K1-2, K2-1 and K2-2, K3-1 and K3-2 are the normally opened contacts of relay, by the adhesive of controlling different relay coils, the different voltage values that disconnect the AC/DC converter input interface that just can control input frequency conversion change wave energy modular device.Become on 25Hz, 50Hz, the 75Hz frequency signal output interface of wave energy modular device simultaneously in frequency conversion, there are different frequency, different wave (non-sinusoidal waveform) externally to export with different voltage, it is added on the T2 transformer primary winding, the high pressure of output different frequency and waveform on the secondary coil of T2 high-tension transformer.Act on human body by energising cloth again and reach the result of treatment that reduces tolerance.
The control circuit part becomes the wave energy modular device by frequency conversion and is made up of the monolithic processor controlled key circuit of MCUPIC16F877A, charactron driving, display circuit, RS485 communication interface circuit.The alternating voltage of～8V 50Hz becomes stabilized voltage power supply through bridge rectifier and voltage stabilizing circuit.Stabilized voltage power supply is externally exported+5V DC, and it becomes components and parts power supplies such as wave energy modular device and charactron for control circuit and frequency conversion.
Press SB2 selection of time button and can select what minutes of treatment time, or At All Other Times (its maximum setting-up time can arrive 10 hours) as 10 minutes, 20 minutes.Press SB3 ripple frequency selection key and can select to export the waveform and the frequency of high pressure, it can distinguish the 1st kind of waveform of display frequency 50Hz (this gear is the 50Hz sine wave), the 2nd kind of waveform of 25Hz, the 3rd kind of waveform of 50Hz, the 4th kind of waveform of 75Hz, and back three kinds of waveforms are non-sinusoidal waveforms.Press SB1 and start/stop key, therapeutic equipment is externally exported the waveform of setting and the high pressure of frequency.If interrupt or stop treatment exporting, start/stop key as long as click SB1 again.
RS485 communication input interface circuit A, B terminal that the monolithic processor controlled RS485 communication of MCUPIC16F877A output interface circuit A, B terminal and frequency conversion become the wave energy modular device are connected, and finish two interface circuits and carry out data communication and reach and become the wave energy modular device by the frequency conversion of MCUPIC16F877A Single-chip Controlling and carry out the work order requirement that frequency conversion becomes wave energy.
Device of the present utility model is not limited to the various embodiments described above, and for example: 1) the MCU single-chip microcomputer also can be with other model; 2) also can reach functions such as the control that has function that frequency conversion becomes the wave energy modular device and complete machine simultaneously and need, demonstration or the like with a MCU single-chip microcomputer.
The utility model output signal is that frequency values is three kinds of non-sinusoidal waveforms of 25Hz, 50Hz and 75Hz, it applies to the electromagnetic field that electric field therapy equipment can produce the non-sinusoidal waveform of 25Hz, 50Hz, 75Hz, and it acts on people's physical efficiency and reduces the influence that the effect for the treatment of is caused because of tolerance; The utility model can independently produce frequency conversion and become the ripple signal, it is packed into does not have on the present market frequency conversion to become in the electric field therapy equipment of wave energy, can become wave energy so that this electric field therapy equipment also has this frequency conversion, also can be in the designing technique adding New Product's Design of this frequency conversion change wave energy old product being updated.
More than disclosed the utility model preferred embodiment just be used for help setting forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is described embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain principle of the present utility model and practical application better, thereby the technical field technical staff can understand and utilize the utility model well under making.The utility model only is subjected to the restriction of claims and four corner and equivalent.
Above embodiment only is used to illustrate content of the present utility model, and except that above-mentioned execution mode, the utility model also has other execution mode, and all employings are equal to replaces or technical scheme that the equivalent deformation mode forms all drops in the protection range of the present utility model.
Claims (10)
1.
A kind of frequency conversion becomes the wave energy module, it is characterized in that, comprising:
Voltage conversion unit receives an alternating voltage and converts a direct current voltage to;
The full-bridge output unit that is connected with described voltage conversion unit, it receives described direct voltage and exports a module output signal with certain frequency and waveform, and described module output signal is the final output signal of this module;
With the light-coupled isolation unit that described full-bridge output unit is connected, the signal that it receives multiple signals and produce the multichannel different frequency of the input end signal interlocking that makes described full-bridge output unit after logical operation;
Be used to control the MCU of described voltage conversion unit, full-bridge output unit and light-coupled isolation unit;
And the data interface unit of being used for of being connected with described MCU and PERCOM peripheral communication and be used to control the control unit of described module output signal.
2. frequency conversion as claimed in claim 1 becomes the wave energy module, it is characterized in that also comprise a display unit, described display unit comprises the demonstration of described module output signal output time and the demonstration of output frequency.
3. frequency conversion as claimed in claim 1 becomes the wave energy module, it is characterized in that described voltage conversion unit comprises an AC/DC converter, a current-limiting resistance, a capacitor and a relay, and described relay is by being connected with described MCU and controlling.
4. frequency conversion as claimed in claim 3 becomes the wave energy module, it is characterized in that, the alternating voltage generation amplitude range that described voltage conversion unit receives amplitude 50V frequency 50Hz is the direct voltage of 60-70V.
5.
Frequency conversion as claimed in claim 1 becomes the wave energy module, it is characterized in that, described full-bridge output unit comprises a full-bridge output circuit and a LC filter circuit of being made up of the MOSFET pipe, the input that described full-bridge output circuit receives described direct voltage produces the scope output voltage identical with described alternating voltage, and described LC filter circuit carries out the described module output signal of generation after the filtering to the output voltage of described full-bridge output circuit.
6.
Frequency conversion as claimed in claim 5 becomes the wave energy module, it is characterized in that described light-coupled isolation unit comprises a logical operation circuit, an optical coupling isolation circuit and a DC/DC transducer.
7. frequency conversion as claimed in claim 6 becomes the wave energy module, it is characterized in that, described logical operation circuit receives described MCU to carry out exporting to described optical coupling isolation circuit after the logical operation by programming and to X, the Y two paths of signals of exporting from the I/O mouth of described MCU, described DC/DC transducer is converted to 12V voltage with the 5V input voltage and exports to described optical coupling isolation circuit, and described optical coupling isolation circuit receives X, the Y two-way interlocking signal after logical operation.
8. frequency conversion as claimed in claim 1 becomes the wave energy module, it is characterized in that described control unit comprises the time key circuit of the described module output signal of the control output switch key circuit that begins and stop, the described module output signal timing of control and controls the frequency keying circuit of described module output signal output frequency numerical value.
9. frequency conversion as claimed in claim 1 becomes the wave energy module; it is characterized in that; described data interface unit comprises a RS485 output interface, input protection circuit and RS485 communication control circuit, and described data interface unit receives external equipment and controls the signal of described module output signal frequency numerical value and the signal that the described module output signal of control begins and stops.
10. described frequency conversion becomes the wave energy module as claim 1-9, it is characterized in that described module output signal comprises that frequency values is the non-sinusoidal waveform of 25Hz, 50Hz and 75Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737169 CN203104299U (en) | 2012-12-28 | 2012-12-28 | Frequency-variable wave-variable functional module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737169 CN203104299U (en) | 2012-12-28 | 2012-12-28 | Frequency-variable wave-variable functional module |
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| Publication Number | Publication Date |
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| CN203104299U true CN203104299U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220737169 Expired - Lifetime CN203104299U (en) | 2012-12-28 | 2012-12-28 | Frequency-variable wave-variable functional module |
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| CN (1) | CN203104299U (en) |
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- 2012-12-28 CN CN 201220737169 patent/CN203104299U/en not_active Expired - Lifetime
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