CN203965986U - A kind of numerical control adjustable D. C regulated - Google Patents
A kind of numerical control adjustable D. C regulated Download PDFInfo
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- CN203965986U CN203965986U CN201420147525.3U CN201420147525U CN203965986U CN 203965986 U CN203965986 U CN 203965986U CN 201420147525 U CN201420147525 U CN 201420147525U CN 203965986 U CN203965986 U CN 203965986U
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- Liquid Crystal Display Device Control (AREA)
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Abstract
The utility model discloses a kind of numerical control adjustable D. C regulated, comprise single chip control module, for controlling amplitude, stepping and the adjustable extent of output voltage; The keyboard being connected with single chip control module and display circuit, for realizing the mutual of input and output; The D/A modular converter being connected with the control signal output terminal of single chip control module; The amplifying circuit being connected with D/A modular converter output terminal, for amplifying the voltage of described D/A modular converter output; With the output circuit being connected with amplification circuit output end.The utility model can be incorporated into advanced Digital Signal Processing in mu balanced circuit, have digital adjustable, the feature easily realizing, the adjustable extent of actual output voltage is 0-25V, voltage steps is 0.1V; Meanwhile, the utlity model has higher precision, reliability is strong, and cost is low, is applicable in the middle of daily life.
Description
Technical field
The utility model relates to a kind of D.C. regulated power supply, is specifically related to a kind of numerical control adjustable D. C regulated.
Background technology
Along with the penetration and promotion of infotech, power consumer improves day by day to the requirement of the quality of power supply, and wherein the most basic one is the stable of voltage.
D.C. regulated power supply is conventional electronic equipment, and it can guarantee when voltage ripple of power network or load change, the voltage of stable output.Low ripple, a high-precision source of stable pressure have important actual application value in instrument and meter, Industry Control and fields of measurement.D.C. regulated power supply not only will reach in performance that efficiency is high, noise is low again can not interference environment, also will in function, make every effort to realize numerical control, multifunction and intellectuality and networking.
Utility model content
The deficiency existing for prior art, the utility model object is to provide a kind of reliable output voltage stabilization, numerical control adjustable D. C regulated that numeral is adjustable.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of numerical control adjustable D. C regulated of the present utility model, comprise single chip control module, the keyboard being connected with single chip control module and display circuit, the D/A modular converter being connected with the control signal output terminal of single chip control module, with D/A modular converter the output terminal amplifying circuit being connected and the output circuit being connected with amplification circuit output end.
Above-mentioned single chip control module be take MSP430F1611 chip as core.
What above-mentioned display circuit adopted is 128*128 lattice lcd screen.
Above-mentioned D/A modular converter be take DAC0808 chip as core.
Above-mentioned amplifying circuit be take NE3352 operational amplifier as core.
The utility model can be incorporated into advanced Digital Signal Processing in mu balanced circuit, have digital adjustable, the feature easily realizing, the adjustable extent of actual output voltage is 0-25V, voltage steps is 0.1V; Meanwhile, the utlity model has higher precision, reliability is strong, and cost is low, is applicable in the middle of daily life.
Accompanying drawing explanation
Fig. 1 is system chart of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, a kind of numerical control adjustable D. C regulated of the present utility model, comprises single chip control module, keyboard, display circuit, D/A modular converter, amplifying circuit and output circuit.
The control signal output terminal of single chip control module is connected with D/A modular converter, according to keyboard input information, adjusts single-chip microcomputer output pin voltage swing, controls thus the size of D/A modular converter input voltage and realizes the analog-converted of digital signal; Voltage signal is amplified to a certain degree through amplifying circuit, finally by output circuit, exports.
In the present embodiment, single chip control module can be controlled the variation range of output voltage amplitude size, DC voltage change step-length and voltage, and single-chip microcomputer model is MSP430F1611.
In the present embodiment, display circuit can be by the amplitude of output voltage, the step-length of voltage, and the change procedure of voltage magnitude is presented at 128*128 lattice lcd screen.
The signal output of Single-chip Controlling D/A modular converter, and realize the amplification of voltage and export by thering is the output circuit of high driving ability by amplifying circuit.In the present embodiment, D/A modular converter be take DAC0808 chip as core.
In the present embodiment, amplifying circuit consists of NE3352 operational amplifier, utilizes Voltage Feedback to improve the driving force of circuit in output circuit.
The utility model be take single chip control module as core, is connected with keyboard and display circuit, realizes the mutual of input and output; Single-chip microcomputer is connected with D/A modular converter, is used for controlling amplitude, stepping and the variation range of output voltage; D/A modular converter is connected with amplifying circuit, and the voltage of output is amplified and processes and export by output circuit, improves the driving force of output signal.
The utility model can be incorporated into advanced Digital Signal Processing in mu balanced circuit, have digital adjustable, the feature easily realizing, the adjustable extent of actual output voltage is 0-25V, voltage steps is 0.1V; Meanwhile, the utlity model has higher precision, reliability is strong, and cost is low, is applicable in the middle of daily life.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a numerical control adjustable D. C regulated, it is characterized in that, comprise single chip control module, the keyboard being connected with single chip control module and display circuit, the D/A modular converter being connected with the control signal output terminal of single chip control module, with D/A modular converter the output terminal amplifying circuit being connected and the output circuit being connected with amplification circuit output end.
2. numerical control adjustable D. C regulated according to claim 1, is characterized in that,
Described single chip control module be take MSP430F1611 chip as core.
3. numerical control adjustable D. C regulated according to claim 1, is characterized in that,
What described display circuit adopted is 128*128 lattice lcd screen.
4. numerical control adjustable D. C regulated according to claim 1, is characterized in that,
Described D/A modular converter be take DAC0808 chip as core.
5. numerical control adjustable D. C regulated according to claim 1, is characterized in that,
Described amplifying circuit be take NE3352 operational amplifier as core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420147525.3U CN203965986U (en) | 2014-03-28 | 2014-03-28 | A kind of numerical control adjustable D. C regulated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420147525.3U CN203965986U (en) | 2014-03-28 | 2014-03-28 | A kind of numerical control adjustable D. C regulated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965986U true CN203965986U (en) | 2014-11-26 |
Family
ID=51926544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420147525.3U Expired - Fee Related CN203965986U (en) | 2014-03-28 | 2014-03-28 | A kind of numerical control adjustable D. C regulated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928349A (en) * | 2019-11-12 | 2020-03-27 | 无锡天芯互联科技有限公司 | Power supply adjusting device |
| CN111257819A (en) * | 2019-12-16 | 2020-06-09 | 华立科技股份有限公司 | Power output visual adjusting device |
-
2014
- 2014-03-28 CN CN201420147525.3U patent/CN203965986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928349A (en) * | 2019-11-12 | 2020-03-27 | 无锡天芯互联科技有限公司 | Power supply adjusting device |
| CN111257819A (en) * | 2019-12-16 | 2020-06-09 | 华立科技股份有限公司 | Power output visual adjusting device |
| CN111257819B (en) * | 2019-12-16 | 2022-02-08 | 华立科技股份有限公司 | Power output visual adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |