CN103178727A - Intelligent direct-current stabilized power supply - Google Patents

Intelligent direct-current stabilized power supply Download PDF

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Publication number
CN103178727A
CN103178727A CN 201110450640 CN201110450640A CN103178727A CN 103178727 A CN103178727 A CN 103178727A CN 201110450640 CN201110450640 CN 201110450640 CN 201110450640 A CN201110450640 A CN 201110450640A CN 103178727 A CN103178727 A CN 103178727A
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CN
China
Prior art keywords
circuit module
module
power supply
current
microcomputerized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201110450640
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Chinese (zh)
Inventor
鱼俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Yatai Electric Appliance Co Ltd
Original Assignee
Shaanxi Yatai Electric Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Yatai Electric Appliance Co Ltd filed Critical Shaanxi Yatai Electric Appliance Co Ltd
Priority to CN 201110450640 priority Critical patent/CN103178727A/en
Publication of CN103178727A publication Critical patent/CN103178727A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an intelligent direct-current stabilized power supply. The intelligent direct-current stabilized power supply comprises an AC/DC (alternating current/direct current) converting circuit module, a single-chip switch power source connected with the AC/DC converting circuit module, a power source output circuit module connected with the single-chip switch power source, a voltage detecting circuit module, a current detecting circuit module, a rectifying filter circuit module connected with the voltage detecting circuit module and the current detecting circuit module, a signal time division multiplexing circuit module connected with the rectifying filter circuit module, an A/D (analog to digital) converter circuit module connected with the signal time division multiplexing circuit module, a temperature sensor used for detecting internal temperature of an intelligent charger, a controller module connected with the A/D converter circuit module and the temperature sensor, a key circuit module, a display circuit module and a sound-light alarming circuit module, wherein the key circuit module, the display circuit module and the sound-light alarming circuit module are connected with the controller module. The intelligent direct-current stabilized power supply is simple in structure, reasonable in design, high in efficiency, low in cost, good in anti-electromagnetic interference performance, energy-saving, environmental-friendly, strong in practicability, and convenient to popularize and use.

Description

A kind of Microcomputerized DC voltage stabilizer
Technical field
The present invention relates to power technique fields, especially relate to a kind of Microcomputerized DC voltage stabilizer.
Background technology
D.C. regulated power supply is a kind of common electronic instrument, is widely used in the fields such as electronic circuit, education experiment and scientific research.The D.C. regulated power supply major part of using at present is linear power supply, utilizes discrete device to form, and its volume is large, and efficient is low, and reliability is poor, and operation is used inconvenient, and the self-protection function is inadequate, thereby failure rate is high.Along with the develop rapidly of electronic technology, various electronics, electric equipment improve day by day to the performance requirement of stabilized voltage power supply, and stabilized voltage power supply is constantly towards miniaturization, high efficiency, low cost, high reliability, low electromagnetic interference, modularization and intelligent direction development.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Microcomputerized DC voltage stabilizer for above-mentioned deficiency of the prior art, and it is simple in structure, and is reasonable in design, efficient is high, and cost is low, and anti-electromagnetic interference performance is good, energy-conserving and environment-protective, practical, be convenient to promote the use of.
for solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of Microcomputerized DC voltage stabilizer, it is characterized in that: comprise the ac-dc converter circuit module to each electricity consumption module for power supply, the single-chip switching power supply that joins with the ac-dc converter circuit module, the power output circuit module of joining with single-chip switching power supply, voltage detection circuit module for detection of power output circuit module output voltage, current detection circuit module for detection of power output circuit module output current, the current rectifying and wave filtering circuit module of all joining with voltage detection circuit module and current detection circuit module, the signal time-sharing multiplex circuit module that joins with the current rectifying and wave filtering circuit module, the A/D change-over circuit module of joining with signal time-sharing multiplex circuit module, temperature sensor for detection of temperature, the controller module that all joins with A/D change-over circuit module and temperature sensor, and the key circuit module that be used for to adjust power parameter of joining with controller module, be used for the display circuit module of display power supply parameter and be used for the sound light alarming circuit module of abnormal alarm, the control end of described single-chip switching power supply and the output of controller module join.
Above-mentioned a kind of Microcomputerized DC voltage stabilizer is characterized in that: described signal time-sharing multiplex circuit module comprises chip CD4051.
Above-mentioned a kind of Microcomputerized DC voltage stabilizer is characterized in that: described temperature sensor is digital temperature sensor DS18B20.
Above-mentioned a kind of Microcomputerized DC voltage stabilizer is characterized in that: described A/D change-over circuit module comprises chip ADC 0832.
Above-mentioned a kind of Microcomputerized DC voltage stabilizer is characterized in that: described controller module is single-chip microcomputer MSP430F169.
Above-mentioned a kind of Microcomputerized DC voltage stabilizer is characterized in that: described display circuit module is LED display.
The present invention compared with prior art has the following advantages:
1, the present invention is the Intellight voltage-stabilizing power supply that manufactures and designs out take Single Chip Microcomputer (SCM) system as core, and circuit is simple, and compact conformation is cheap, and performance is remarkable.
2, the present invention utilizes single-chip microcomputer to carry out various calculating to sampled data, thereby can get rid of and reduce the error that causes owing to harassing signal and analog circuit, greatly improves the stabilized voltage power supply output voltage and controls current precision, has reduced the requirement to analog circuit.
3, the present invention detects temperature in intelligent charger by temperature sensor, can be when excess Temperature open circuit, guarantee the safe and reliable of power supply operation.
4, output voltage of the present invention and current limit adopt numeral to show, keyboard mode is adopted in input, and power supply specious, easy for operation has higher use value, and result of use is good, is convenient to promote the use of.
In sum, the present invention is simple in structure, and is reasonable in design, and efficient is high, and cost is low, and anti-electromagnetic interference performance is good, and energy-conserving and environment-protective are practical, are convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-ac-dc converter circuit module; The 2-single-chip switching power supply;
3-power output circuit module; The 4-voltage detection circuit module; 5-current detection circuit module;
6-current rectifying and wave filtering circuit module; 7-signal time-sharing multiplex circuit module;
8-A/D change-over circuit module; The 9-temperature sensor; The 10-controller module;
11-key circuit module; The 12-display circuit module;
13-sound light alarming circuit module.
Embodiment
as shown in Figure 1, the present invention includes the ac-dc converter circuit module 1 to each electricity consumption module for power supply, the single-chip switching power supply 2 that joins with ac-dc converter circuit module 1, the power output circuit module 3 of joining with single-chip switching power supply 2, voltage detection circuit module 4 for detection of power output circuit module 3 output voltages, current detection circuit module 5 for detection of power output circuit module 3 output currents, the current rectifying and wave filtering circuit module 6 of all joining with voltage detection circuit module 4 and current detection circuit module 5, the signal time-sharing multiplex circuit module 7 that joins with current rectifying and wave filtering circuit module 6, the A/D change-over circuit module 8 of joining with signal time-sharing multiplex circuit module 7, temperature sensor 9 for detection of temperature, the controller module 10 that all joins with A/D change-over circuit module 8 and temperature sensor 9, and the key circuit module 11 that be used for to adjust power parameter of joining with controller module 10, be used for the display circuit module 12 of display power supply parameter and be used for the sound light alarming circuit module 13 of abnormal alarm, the output of the control end of described single-chip switching power supply 2 and controller module 10 joins.
As shown in Figure 1, in the present embodiment, described signal time-sharing multiplex circuit module 7 comprises chip CD4051.Described temperature sensor 9 is digital temperature sensor DS18B20.Described A/D change-over circuit module 8 comprises chip ADC0832.Described controller module 10 is single-chip microcomputer MSP430F169.Described display circuit module 12 is LED display.
operation principle of the present invention and the course of work are: after powering on, power supply enters operating state, magnitude of voltage and maximum output current value that the user can export by the given stabilized voltage power supply of key circuit module 11 as required, voltage detection circuit module 4 detects the voltage of power output circuit module 3 outputs in real time, current detection circuit module 5 detects the electric current of power output circuit module 3 outputs in real time, detected signal is exported to current rectifying and wave filtering circuit module 6 to carry out exporting to signal time-sharing multiplex circuit module 7 after rectifying and wave-filtering is processed, selecting to export to A/D change-over circuit module 8 through 7 timesharing of signal time-sharing multiplex circuit module carries out exporting to controller module 10 after the A/D conversion again, controller module 10 compares voltage and current signal and the user's data-oriented that samples, then control single-chip switching power supply 2 according to the adjustment algorithm that arranges, and then adjust output voltage.In addition, temperature sensor 9 detects in real time the interior temperature of intelligent charger and detected signal is exported to controller module 10, if temperature and electric current surpass set-point, controller module 10 is just cut off the electricity supply and started sound light alarming circuit module 13.
The above; it is only preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, every any simple modification, change and equivalent structure of above embodiment being done according to the technology of the present invention essence changes, and all still belongs in the protection range of technical solution of the present invention.

Claims (6)

1. Microcomputerized DC voltage stabilizer, it is characterized in that: comprise the ac-dc converter circuit module (1) to each electricity consumption module for power supply, the single-chip switching power supply (2) that joins with ac-dc converter circuit module (1), the power output circuit module (3) of joining with single-chip switching power supply (2), voltage detection circuit module (4) for detection of power output circuit module (3) output voltage, current detection circuit module (5) for detection of power output circuit module (3) output current, the current rectifying and wave filtering circuit module (6) of all joining with voltage detection circuit module (4) and current detection circuit module (5), the signal time-sharing multiplex circuit module (7) that joins with current rectifying and wave filtering circuit module (6), the A/D change-over circuit module (8) of joining with signal time-sharing multiplex circuit module (7), temperature sensor (9) for detection of temperature, the controller module (10) that all joins with A/D change-over circuit module (8) and temperature sensor (9), and the key circuit module (11) that be used for to adjust power parameter of joining with controller module (10), be used for the display circuit module (12) of display power supply parameter and be used for the sound light alarming circuit module (13) of abnormal alarm, the output of the control end of described single-chip switching power supply (2) and controller module (10) joins.
2. according to a kind of Microcomputerized DC voltage stabilizer claimed in claim 1, it is characterized in that: described signal time-sharing multiplex circuit module (7) comprises chip CD4051.
3. according to a kind of Microcomputerized DC voltage stabilizer claimed in claim 1, it is characterized in that: described temperature sensor (9) is digital temperature sensor DS18B20.
4. according to a kind of Microcomputerized DC voltage stabilizer claimed in claim 1, it is characterized in that: described A/D change-over circuit module (8) comprises chip ADC0832.
5. according to a kind of Microcomputerized DC voltage stabilizer claimed in claim 1, it is characterized in that: described controller module (10) is single-chip microcomputer MSP430F169.
6. according to a kind of Microcomputerized DC voltage stabilizer claimed in claim 1, it is characterized in that: described display circuit module (12) is LED display.
CN 201110450640 2011-12-20 2011-12-20 Intelligent direct-current stabilized power supply Pending CN103178727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110450640 CN103178727A (en) 2011-12-20 2011-12-20 Intelligent direct-current stabilized power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110450640 CN103178727A (en) 2011-12-20 2011-12-20 Intelligent direct-current stabilized power supply

Publications (1)

Publication Number Publication Date
CN103178727A true CN103178727A (en) 2013-06-26

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Family Applications (1)

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CN 201110450640 Pending CN103178727A (en) 2011-12-20 2011-12-20 Intelligent direct-current stabilized power supply

Country Status (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103545893A (en) * 2013-10-30 2014-01-29 上海斐讯数据通信技术有限公司 Mobile terminal charging safety control method and system
CN103956950A (en) * 2014-05-06 2014-07-30 福建省唐力纵横科技发展有限公司 Fixed-frequency voltage stabilizer and control method thereof
CN104597958A (en) * 2013-12-18 2015-05-06 西安恒飞电子科技有限公司 Power supply with voltage-current self-adjusting function
CN104617550A (en) * 2013-12-18 2015-05-13 西安恒飞电子科技有限公司 Direct current power supply with equipment protecting function
CN104897955A (en) * 2015-06-26 2015-09-09 济南中维世纪科技有限公司 Intelligent current voltmeter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103545893A (en) * 2013-10-30 2014-01-29 上海斐讯数据通信技术有限公司 Mobile terminal charging safety control method and system
CN104597958A (en) * 2013-12-18 2015-05-06 西安恒飞电子科技有限公司 Power supply with voltage-current self-adjusting function
CN104617550A (en) * 2013-12-18 2015-05-13 西安恒飞电子科技有限公司 Direct current power supply with equipment protecting function
CN103956950A (en) * 2014-05-06 2014-07-30 福建省唐力纵横科技发展有限公司 Fixed-frequency voltage stabilizer and control method thereof
CN104897955A (en) * 2015-06-26 2015-09-09 济南中维世纪科技有限公司 Intelligent current voltmeter

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130626

C05 Deemed withdrawal (patent law before 1993)