CN204231310U - A kind of many waveforms Width funtion generation device - Google Patents
A kind of many waveforms Width funtion generation device Download PDFInfo
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- CN204231310U CN204231310U CN201420606301.4U CN201420606301U CN204231310U CN 204231310 U CN204231310 U CN 204231310U CN 201420606301 U CN201420606301 U CN 201420606301U CN 204231310 U CN204231310 U CN 204231310U
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Abstract
The utility model proposes a kind of many waveforms Width funtion generation device, comprise microprocessor control unit, amplitude adjusted, driver element, voltage output unit and information transmit-receive unit, microprocessor control unit comprises D/A modular converter, D/A modular converter is used for output voltage signal analog quantity, D/A modular converter output is connected with amplitude adjusting elements input, amplitude adjusting elements output is connected with the input of driver element, the output of driver element is connected with voltage output unit input, voltage output unit output is connected with load, information transmit-receive unit is connected with microprocessor control unit, for needing the frequency of pulse to microprocessor control unit input, amplitude information.Output voltage of the present utility model is high-power, amplitude adjusted scope is large, output voltage waveforms is variable.
Description
Technical field
The utility model relates to a kind of supply unit, is specifically related to a kind of many waveforms Width funtion generation device.
Background technology
The voltage of different wave and scope has different purposes in different field.Low pressure is generally very general in the application such as normal experiment, instrument research and development, debugging of electronic circuit, waveform mainly sine, square wave, the triangular wave etc. using often; The application of high pressure is very extensive too, as the generation, discharging water process etc. of the generation of electric precipitation, electric spark, high-tension ignition, X ray.
At present, although existing various high-voltage generator on market, wherein the overwhelming majority is high direct voltage, high voltage pulse and sinusoidal high pressure less.For existing high voltage pulse and sinusoidal high pressure, the overwhelming majority is that fixed frequency or power output are little, output amplitude adjustable range is little, needs the existing high-voltage generator of situation such as high-power, amplitude adjusted scope is large, output voltage waveforms is variable just cannot satisfy the demand in some research or the experiment research etc. of dust removing effects (under as the different voltage).
Utility model content
In order to overcome the defect existed in above-mentioned prior art, the purpose of this utility model is to provide a kind of many waveforms Width funtion generation device.
The utility model provides a kind of many waveforms Width funtion generation device, comprise microprocessor control unit, amplitude adjusted, driver element, voltage output unit and information transmit-receive unit, described microprocessor control unit comprises D/A modular converter, described D/A modular converter is used for output voltage signal analog quantity, described D/A modular converter output is connected with amplitude adjusting elements input, described amplitude adjusting elements output is connected with the input of driver element, the output of described driver element is connected with voltage output unit input, described voltage output unit output is connected with load, described information transmit-receive unit is connected with microprocessor control unit, for needing the frequency of pulse to microprocessor control unit input, amplitude information.
Output voltage of the present utility model is high-power, amplitude adjusted scope is large, output voltage waveforms is variable.
In a preferred implementation of the present utility model, also comprise filter processing unit, the input of described filter processing unit is connected with the output of D/A modular converter, and the output of described filter processing unit is connected with the input of amplitude adjusting elements.Leach clutter by filter processing unit, make output more accurate.
In another preferred implementation of the present utility model, also comprise voltage sampling unit and display unit, described microprocessor control unit comprises A/D modular converter, described voltage output unit output is connected with the input of voltage sampling unit, the output of described voltage sampling unit is connected with the input of A/D modular converter, the output of described A/D modular converter is connected with display unit, for display translation information of voltage.Be convenient to monitoring in real time and adjustment.
In a preferred implementation of the present utility model, described microprocessor control unit comprises STM32F103RD and peripheral circuit.
In another preferred implementation of the present utility model, described output control unit comprises transformer and relay array, the primary side of described transformer is made up of N number of sub-winding of connecting, and whether each sub-winding described is energized by independent Control.Multi winding transformer realizes exporting many waveforms Width funtion.
The utility model chooses 32-bit microprocessor STM32F103RD, multi winding transformer and LCDs, this device is had integrated level is high, stable performance, intuitive display, the advantages such as adjustable voltage wide ranges.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the circuit diagram of microprocessor control unit in a kind of preferred implementation of the utility model;
Fig. 3 is the circuit diagram of voltage output unit in a kind of preferred implementation of the utility model.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The utility model provides a kind of many waveforms Width funtion generation device, comprise microprocessor control unit, amplitude adjusted, driver element, voltage output unit and information transmit-receive unit, wherein, microprocessor control unit comprises D/A modular converter, D/A modular converter is used for output voltage signal analog quantity, D/A modular converter output is connected with amplitude adjusting elements input, amplitude adjusting elements output is connected with the input of driver element, the output of driver element is connected with voltage output unit input, voltage output unit output is connected with load, information transmit-receive unit is connected with microprocessor control unit, for needing the frequency of pulse to microprocessor control unit input, amplitude information.
In the present embodiment, A/D modular converter and D/A modular converter are existing A/D modular converter and D/A modular converter, amplitude adjusting elements can be any existing amplitude adjusting elements, be specifically as follows but be not limited to potentiometer or variable gain amplifier, preferred employing potentiometer, carries out manual adjustments.
In the present embodiment, information transmit-receive unit is blue teeth wireless Transmit-Receive Unit, this blue teeth wireless Transmit-Receive Unit is connected with the blue teeth wireless transceiver interface of microprocessor, realize the communication of external equipment and microprocessor, by frequency and the amplitude of peripheral equipment control D/A modular converter output voltage, in the present embodiment, microprocessor receives input information and the method for the amplitude and frequency that control output waveform adopts existing method, the utility model does not carry out any improvement, specifically can be, but not limited to adopt the frequency of control output signal disclosed in patent application 201310025582.4 and the apparatus and method of amplitude information, although patent application 201310025582.4 only relates to triangular wave, sinusoidal wave generation, but square wave is easier than sine wave to be produced, those skilled in the art are easy to obtain square wave on its basis.In addition, the utility model can adopt the method and apparatus obtaining square wave in patent application 201310043326.8.
In the present embodiment, driver element can adopt complementary high-voltage field pipe or switch triode structure, specifically can adopt the structure of prior art.
In embodiments, also comprise filter processing unit, the input of filter processing unit is connected with the output of D/A modular converter, and the output of filter processing unit is connected with the input of amplitude adjusting elements.Leach clutter by filter processing unit, make output more accurate.
In the present embodiment, also comprise voltage sampling unit and display unit, microprocessor control unit comprises A/D modular converter, voltage output unit output is connected with the input of voltage sampling unit, the output of voltage sampling unit is connected with the input of A/D modular converter, the output of A/D modular converter is connected with display unit, for display translation information of voltage.Be convenient to monitoring in real time and adjustment.
With 12 D/A conversions in microprocessor of the present utility model, obtain required waveform signal, clutter is leached by filter processing unit, output to adjustable amplifier, Multiple coil input transformer is outputted to after amplifying, driving, under control of the microprocessor, select a wherein winding input, by obtaining the output of relevant voltage and waveform after transformer, and be sent to output interface, realize, with the connection of external loading, passing through electric resistance partial pressure simultaneously, follow and be input to 12 A/D conversions that 32-bit microprocessor controls interior band, realize the real-time measurement to output voltage.On the other hand under control of the microprocessor, blue teeth wireless transceiver module is utilized to realize and the news such as mobile phone, computer, to arrive the control of output waveform, frequency etc.
This measuring instrument primarily of microprocessor control unit, filter processing unit, amplitude adjusting elements, driver element, output control unit, output interface unit, output voltage sampling unit, touch LCD liquid crystal display, blue teeth wireless Transmit-Receive Unit and power supply unit totally ten unit composition, as shown in Figure 1.Wherein, microprocessor control unit mainly realizes various control, A/D conversion and D/A conversion; The main filtering High-frequency Interference of filter processing unit, improves output signal accuracy; Amplitude adjusting elements is mainly through the amplitude of potentiometer conditioning signal; Driver element mainly realizes power amplification, ensures enough power drive transformers; Output control unit is formed primarily of many group coils and relay, under control of the microprocessor, selects the primary coil input of corresponding group; Output interface unit is formed primarily of lead-out terminal, is convenient to be connected with external loading; Output voltage sampling unit mainly realizes the voltage of the actual output of Real-time Collection, sends into microprocessor after amplification, utilizes the A/D of band in it conversion to realize the measurement of real-time voltage; Touch LCD liquid crystal display mainly realizes the input of various information and the display etc. of various output information; Blue teeth wireless Transmit-Receive Unit will realize communication by bluetooth module and miscellaneous equipment such as mobile phone etc., thus reaches the object controlling output waveform frequency; Power supply unit is mainly each several part work and provides corresponding working power voltage.
Microprocessor is utilized to obtain user profile by touch LCD or blue teeth wireless Transmit-Receive Unit, control the analog signal that the D/A converter that carries exports required waveform, successively by filter processing unit, amplitude adjusting elements, driver element, output control unit, output interface unit externally load the voltage of specific waveforms is provided; Obtain real-time output voltage information by output voltage sampling unit simultaneously, and in microprocessor with A/D conversion realize the measurement of real-time voltage.This device, adopts high-performance integrated chip and microprocessor, so be easy to commercialization, can be widely used in correlative study, test and experiment, have wide market prospects.
In the present embodiment, microprocessor control unit comprises STM32F103RD and peripheral circuit.As shown in Figure 2, microprocessor control unit is formed primarily of the interior 32-bit microprocessor STM32F103RD with A/D and D/A conversion and corresponding peripheral cell.The A/D converter of 3 12,12,2 road D/A converter, 384K byte flash memory, maximum operating frequency is wherein with to reach 72MHz in STM32F103RD.In utilizing, band D/A conversion produces the low frequency signal of random waveform; In utilizing, band A/D conversion realizes the real-time measurement to output current; The 384K byte flash memory of interior band can conveniently for the storage of program.In addition, the information that microprocessor is realized being inputted by touch-screen is simultaneously analyzed, and sends corresponding data or control signal to other parts, and control LCD liquid crystal realizes the display etc. of various relevant information.
Node AmpVoltageMeasure is connected with the output node of output current sampling unit, by realizing the measurement of output current in microprocessor with A/D conversion; Node SignDA, Filter_CLK are connected with the analog input of filter processing unit, the input of filtering clock respectively, its interior joint SignDA be in microprocessor band D/A conversion through simple filtered analog signal output node; Node B lueRX, BlueTX are connected with the corresponding node in blue teeth wireless Transmit-Receive Unit respectively, realize the communication with external equipment; Node DD0---DD7, LCD_DI, LCD_RW, LCD_E, LCD_CSA, LCD_CSB, LCD_REST, LCD_LAMP, LCD_TCS, LCD_TDOUT, LCD_TDIN, LCD_TCLK, LCD_TBUSY, LCD_TPENIRQ is connected with corresponding node in touch LCD liquid crystal display respectively; The node that node Ctrl1-Ctrl8 is corresponding with output control unit is respectively connected, and selects the primary coil of signal input transformer for control relay; Interface PSerial is connected with outside serial ports, for the programming of microprocessor; Buzzer BUZZ under control of the microprocessor, realizes the auditory tone cues of various information; Supply node AV3.3V, DV3.3V, DGND, AGND respectively with the analog power 3.3V in power supply unit, digital power 3.3V, digitally, be in analog connected, for this unit provides working power.
In the present embodiment, output control unit comprises transformer and relay array, and the primary side of described transformer is made up of N number of sub-winding of connecting, and whether each sub-winding described is energized by independent Control.Multi winding transformer realizes exporting many waveforms Width funtion.As shown in Figure 3, this output control unit is made up of relay, multi winding transformer and peripheral cell, mainly realizes the primary coil of drive singal input transformer, thus selects the amplitude range from transformer output signal.The node that input node Ctrl1-Ctrl8 is corresponding with microprocessor unit is respectively connected, the whether connection of control relay, and then controls the output amplitude scope by transformer; If the amplitude peak that amplitude adjusting elements can regulate is 4 times of minimum radius, the input winding of transformer is also increase progressively by every four times simultaneously, the minimum and maximum ratio of the amplitude that then can regulate can reach 48 times namely overall minimum and maximum multiple can reach 65536 times, and from be up to minimum between be continuously adjustable.The output node that signal Input connection SignInput is corresponding with driver element is connected; The node that output node Out1, Out2 are corresponding with output interface unit is respectively connected, and connects with external loading; Supply node DV+5V, AGND, GND respectively with the simulation of the digital power+5V in power supply unit, out-put supply, be digitally connected, for this unit provides working power.
The utility model chooses 32-bit microprocessor STM32F103RD, multi winding transformer and LCDs, this device is had integrated level is high, stable performance, intuitive display, the advantages such as adjustable voltage wide ranges.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (5)
1. the generation device of waveform Width funtion more than a kind, it is characterized in that, comprise microprocessor control unit, amplitude adjusted, driver element, voltage output unit and information transmit-receive unit, described microprocessor control unit comprises D/A modular converter, described D/A modular converter is used for output voltage signal analog quantity, described D/A modular converter output is connected with amplitude adjusting elements input, described amplitude adjusting elements output is connected with the input of driver element, the output of described driver element is connected with voltage output unit input, described voltage output unit output is connected with load, described information transmit-receive unit is connected with microprocessor control unit, for needing the frequency of pulse to microprocessor control unit input, amplitude information.
2. many waveforms Width funtion generation device as claimed in claim 1, it is characterized in that, also comprise filter processing unit, the input of described filter processing unit is connected with the output of D/A modular converter, and the output of described filter processing unit is connected with the input of amplitude adjusting elements.
3. many waveforms Width funtion generation device as claimed in claim 1, it is characterized in that, also comprise voltage sampling unit and display unit, described microprocessor control unit comprises A/D modular converter, described voltage output unit output is connected with the input of voltage sampling unit, the output of described voltage sampling unit is connected with the input of A/D modular converter, and the output of described A/D modular converter is connected with display unit, for display translation information of voltage.
4. many waveforms Width funtion generation device as claimed in claim 1, it is characterized in that, described microprocessor control unit comprises STM32F103RD and peripheral circuit.
5. many waveforms Width funtion generation device as claimed in claim 1, it is characterized in that, described output control unit comprises transformer and relay array, and the primary side of described transformer is made up of N number of sub-winding of connecting, and whether each sub-winding described is energized by independent Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420606301.4U CN204231310U (en) | 2014-10-20 | 2014-10-20 | A kind of many waveforms Width funtion generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420606301.4U CN204231310U (en) | 2014-10-20 | 2014-10-20 | A kind of many waveforms Width funtion generation device |
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| CN204231310U true CN204231310U (en) | 2015-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026981A (en) * | 2016-06-28 | 2016-10-12 | 浙江中医药大学 | Method for generating dilatational wave pulse signal |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026981A (en) * | 2016-06-28 | 2016-10-12 | 浙江中医药大学 | Method for generating dilatational wave pulse signal |
| CN106026981B (en) * | 2016-06-28 | 2018-03-16 | 浙江中医药大学 | A kind of method for generation of density wave pulse signal |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20201020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |