CN203324873U - Direct-current stabilized voltage power system - Google Patents
Direct-current stabilized voltage power system Download PDFInfo
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- CN203324873U CN203324873U CN2013203121850U CN201320312185U CN203324873U CN 203324873 U CN203324873 U CN 203324873U CN 2013203121850 U CN2013203121850 U CN 2013203121850U CN 201320312185 U CN201320312185 U CN 201320312185U CN 203324873 U CN203324873 U CN 203324873U
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Abstract
A direct-current stabilized voltage power system is characterized in that a single-chip microcomputer is communicated with a display, a data storage unit and a digital-to-analog conversion module; the single-chip microcomputer is powered in real time by a power module; the digital-to-analog conversion module A is further connected with a voltage amplifier circuit; a digital signal sent by the single-chip microcomputer is converted into an electrical signal by the digital-to-analog conversion module A before the signal is output to an adjustable voltage stabilizer which adjusts the signal; after adjustment, the signal is divided into two parts; one part is output to a voltage sampling module which samples voltage in real time, sampling results are input to an analog-to-digital conversion module B by a voltage follower, and the results are transmitted to the single-chip microcomputer for processing after being converted by the analog-to-digital conversion module B; the other part is directly output and also output to a current sampling module which samples the output current in real time, sampling results are converted by the current amplifier circuit before being transmitted to the analog-to-digital conversion module B and are then converted by the analog-to-digital conversion module B and transmitted to the single-chip microcomputer for processing, and processing results are displayed and stored by the display and the data storage unit. The direct-current stabilized voltage power system is convenient to control, high in reliability, low in interference and high in precision.
Description
Technical field
The utility model relates to a kind of power-supply system, is specifically related to a kind of D.C. regulated power supply system.
Background technology
D.C. regulated power supply is one of electronic technology instrument and equipment commonly used, is widely used in the fields such as teaching, scientific research, is that electronic experiment person, Electronic Design personnel and circuit developing department carry out the indispensable electronic device of experimental implementation and Science Institute.In electronic circuit, usually all need the direct supply of voltage stabilization to power.And whole voltage stabilizing process is comprised of four parts such as power transformer, rectification, filtering, voltage stabilizings.Yet simple, the bad control of this traditional D.C. regulated power supply function, reliability is low, interference is large, precision is low and volume is large, complexity is high.Common D.C. regulated power supply kind has a lot, but all has following two problems:
1, output voltage is to regulate by coarse adjustment (waver) and fine tuning (potentiometer).Like this, when output voltage needs accurately output, or need to change among a small circle at one the time, difficulty is just larger.
2, in addition, along with the increase of service time, the unavoidable loose contact of waver and potentiometer, can be influential to output.Voltage regulation way is all to adopt serial voltage regulation circuit, and overload is carried out to current limliting or the type that dams protection, and circuit forms complicated, and the precision of voltage regulation is not high yet.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of D.C. regulated power supply system, and this system is controlled conveniently, reliability is high, it is little to disturb, precision is high.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of D.C. regulated power supply system, this system comprises a single-chip microcomputer, display, the voltage sample module, the current sample module, voltage amplifier circuit and current amplification circuit, described single-chip microcomputer respectively with display, data-carrier store and D/A converter module A communicate, and to single-chip microcomputer, powered in real time by power module, it is characterized in that: described D/A converter module A also is connected with voltage amplifier circuit, and the digital signal of single-chip microcomputer being sent by D/A converter module A converts to after electric signal after being changed by voltage amplifier circuit and exports to adjustable voltage stabilizer and regulated, separate two-way after adjusting, the voltage sample module is exported on one tunnel, by the voltage sample module in real time to the sampling of voltage, and sampled result is inputted to analog-to-digital conversion module B by voltage follower, being transferred to single-chip microcomputer after analog-to-digital conversion module B conversion processes, directly export on another road, also export to the current sample module simultaneously, in real time to the current sample of output, and pass to analog-to-digital conversion module B after the result of sampling change by current amplification circuit by current sample, be transferred to the single-chip microcomputer processing after analog-to-digital conversion module B conversion.
Described single-chip microcomputer after voltage signal that analog-to-digital conversion module B is received and current signal processed, by display, demonstrate, and the data after by data-carrier store, single-chip microcomputer being processed are stored.
The beneficial effects of the utility model are: this system is controlled conveniently, reliability is high, it is little to disturb, precision is high.
The accompanying drawing explanation
Fig. 1 is the utility model system architecture schematic diagram.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of D.C. regulated power supply system, this system comprises a single-chip microcomputer, display, the voltage sample module, the current sample module, voltage amplifier circuit and current amplification circuit, single-chip microcomputer respectively with display, data-carrier store and D/A converter module A communicate, and to single-chip microcomputer, powered in real time by power module, D/A converter module A also is connected with voltage amplifier circuit, and the digital signal of single-chip microcomputer being sent by D/A converter module A converts to after electric signal after being changed by voltage amplifier circuit and exports to adjustable voltage stabilizer and regulated, separate two-way after adjusting, the voltage sample module is exported on one tunnel, by the voltage sample module in real time to the sampling of voltage, and sampled result is inputted to analog-to-digital conversion module B by voltage follower, being transferred to single-chip microcomputer after analog-to-digital conversion module B conversion processes, directly export on another road, also export to the current sample module simultaneously, in real time to the current sample of output, and pass to analog-to-digital conversion module B after the result of sampling change by current amplification circuit by current sample, be transferred to the single-chip microcomputer processing after analog-to-digital conversion module B conversion.
Single-chip microcomputer after voltage signal that analog-to-digital conversion module B is received and current signal processed, by display, demonstrate, and the data after by data-carrier store, single-chip microcomputer being processed are stored.
Above demonstration 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; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a D.C. regulated power supply system, this system comprises a single-chip microcomputer, display, the voltage sample module, the current sample module, voltage amplifier circuit and current amplification circuit, described single-chip microcomputer respectively with display, data-carrier store and D/A converter module A communicate, and to single-chip microcomputer, powered in real time by power module, it is characterized in that: described D/A converter module A also is connected with voltage amplifier circuit, and the digital signal of single-chip microcomputer being sent by D/A converter module A converts to after electric signal after being changed by voltage amplifier circuit and exports to adjustable voltage stabilizer and regulated, separate two-way after adjusting, the voltage sample module is exported on one tunnel, by the voltage sample module in real time to the sampling of voltage, and sampled result is inputted to analog-to-digital conversion module B by voltage follower, being transferred to single-chip microcomputer after analog-to-digital conversion module B conversion processes, directly export on another road, also export to the current sample module simultaneously, in real time to the current sample of output, and pass to analog-to-digital conversion module B after the result of sampling change by current amplification circuit by current sample, be transferred to the single-chip microcomputer processing after analog-to-digital conversion module B conversion.
2. a kind of D.C. regulated power supply system according to claim 1, it is characterized in that: described single-chip microcomputer after voltage signal that analog-to-digital conversion module B is received and current signal processed, by display, demonstrate, and the data after by data-carrier store, single-chip microcomputer being processed are stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203121850U CN203324873U (en) | 2013-06-03 | 2013-06-03 | Direct-current stabilized voltage power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203121850U CN203324873U (en) | 2013-06-03 | 2013-06-03 | Direct-current stabilized voltage power system |
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| CN203324873U true CN203324873U (en) | 2013-12-04 |
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| CN2013203121850U Expired - Fee Related CN203324873U (en) | 2013-06-03 | 2013-06-03 | Direct-current stabilized voltage power system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325342A (en) * | 2016-08-29 | 2017-01-11 | 苏州倍声声学技术有限公司 | Output voltage closed-loop control method and output voltage closed-loop control system for portable power generator |
| CN106787846A (en) * | 2016-12-15 | 2017-05-31 | 合肥捷曼信息科技有限公司 | A kind of Intellight voltage-stabilizing power supply |
| CN107992140A (en) * | 2017-11-22 | 2018-05-04 | 珠海格力电器股份有限公司 | Digital closed loop controlling circuit of voltage regulation |
| CN108153368A (en) * | 2017-11-22 | 2018-06-12 | 珠海格力电器股份有限公司 | Closed loop feedback regulator circuit |
-
2013
- 2013-06-03 CN CN2013203121850U patent/CN203324873U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325342A (en) * | 2016-08-29 | 2017-01-11 | 苏州倍声声学技术有限公司 | Output voltage closed-loop control method and output voltage closed-loop control system for portable power generator |
| CN106787846A (en) * | 2016-12-15 | 2017-05-31 | 合肥捷曼信息科技有限公司 | A kind of Intellight voltage-stabilizing power supply |
| CN107992140A (en) * | 2017-11-22 | 2018-05-04 | 珠海格力电器股份有限公司 | Digital closed loop controlling circuit of voltage regulation |
| CN108153368A (en) * | 2017-11-22 | 2018-06-12 | 珠海格力电器股份有限公司 | Closed loop feedback regulator circuit |
| CN108153368B (en) * | 2017-11-22 | 2021-06-04 | 珠海格力电器股份有限公司 | Closed loop feedback voltage stabilizing circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140603 |