CN103812327B - The accurate adjustable dc voltage conversion equipment of a kind of timing reversing - Google Patents
The accurate adjustable dc voltage conversion equipment of a kind of timing reversing Download PDFInfo
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- CN103812327B CN103812327B CN201410053630.5A CN201410053630A CN103812327B CN 103812327 B CN103812327 B CN 103812327B CN 201410053630 A CN201410053630 A CN 201410053630A CN 103812327 B CN103812327 B CN 103812327B
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Abstract
The invention discloses the accurate adjustable dc voltage conversion equipment of a kind of timing reversing, belong to Energy control technical field.The accurate adjustable dc voltage conversion equipment of described timing reversing comprises voltage transformation module, human-computer interaction module and voltage control module.Wherein, input voltage is converted to the supply power voltage of human-computer interaction module and voltage control module by voltage transformation module; Human-computer interaction module is for arranging output voltage size and observing the size of output voltage and positive and negative; Voltage control module controls output voltage size and generating positive and negative voltage conversion.+ 12V input voltage can be converted to positive voltage+1V to+12V and negative voltage-12V to-1V and export by this device, and can be that regulated quantity regulates step by step with 0.1V in this output area, output error is less than 0.01V, and output voltage can carry out generating positive and negative voltage conversion by setting-up time.This device has the advantages such as voltage output range is large, output accuracy is high, Man machine interaction is good, operability is good, output mode is various.
Description
Technical field
The present invention relates to the accurate adjustable dc voltage conversion equipment of a kind of timing reversing, belong to Energy control technical field.
Background technology
Current, along with the development of electronic technology, various types of electronic product becomes requisite articles for daily use in people's life just gradually.Power supply is the important component part in electronic product, and producing at electronic product and in the process that uses, simplify the quantity of power supply, optimize the power supply performance of power supply is one of current technological trend.Under the application scenario that some are special, need power supply to have to carry out different voltage swing to power, the ability of generating positive and negative voltage conversion power supply.Meanwhile, power source supplying voltage needs to have certain precision, keeps power supply stable.
Summary of the invention
The present invention is directed to above-mentioned in actual applications to the requirement that power supply uses, propose the accurate adjustable dc voltage conversion equipment of a kind of timing reversing.+ 12V input voltage can be converted to positive voltage+1V to+12V and negative voltage-12V to-1V and export by this device, and can be that regulated quantity regulates step by step with 0.1V in this output area, output error is less than 0.01V, and output can carry out generating positive and negative voltage conversion by setting.
The accurate adjustable dc voltage conversion equipment of a kind of timing reversing that the present invention proposes mainly comprises voltage transformation module, human-computer interaction module and voltage control module.Wherein, input voltage is converted to the supply power voltage of human-computer interaction module and voltage control module by voltage transformation module; Human-computer interaction module is used for user and arranges output voltage size and observe the size of output voltage and positive and negative; Voltage control module controls output voltage size and generating positive and negative voltage conversion.
Described voltage transformation module by input port ,+12V turn ± 15V power module and+12V turn+5V power module and form.+ 12V the voltage inputted by input port is input to+12V respectively and turns ± and 15V power module and+12V turn in+5V power module, wherein+12V turn ± 15V power module exports+15V voltage and-15V voltage, + 12V turns the+5V voltage that+5V power module exports, and the voltage of output is powered to voltage control module and human-computer interaction module as supply power voltage.
Described human-computer interaction module comprises LCDs and button.Wherein, the size of LCDs display translation port voltage and positive and negative; Button is used for control output end mouth voltage swing, and described button comprises start button, stop button, raise button, reduction button and reset button.Start button starting resistor is changed, and output port voltage swing is set to 1.00V, and starts timing.Output port voltage is set to 0V by stop button.Output port voltage swing is raised 0.10V by raise button.Reduce button and output port voltage swing is reduced 0.10V.Output port voltage swing is set to 1.00V by reset button.Output voltage Size Error is less than 0.01V.
Described voltage control module is made up of governor circuit, DA change-over circuit, operational amplification circuit, commutating circuit and output port.Governor circuit receives the button control instruction of human-computer interaction module input, export numerical value and generate analog voltage in DA change-over circuit, the analog voltage exported by DA change-over circuit and+12V turn ± and supply power voltage that 15V power module exports is input in operational amplification circuit, generate output voltage, comprise positive voltage+1V to+12V, no-voltage 0V and negative voltage-12V to-1V three kinds.Governor circuit, by timer internal timing, controls commutating circuit time variant, conversion output port voltage, comprises the output of constant positive voltage, constant negative voltage exports and time variant voltage exports three kinds of voltage output modes.Governor circuit shows on output port voltage swing and the positive and negative LCDs being sent to human-computer interaction module.
In use, first setting voltage output mode in the program of governor circuit.Under constant positive voltage output mode, output port voltage perseverance is positive voltage, does not carry out time variant; Under constant negative voltage output mode, output port voltage perseverance is negative voltage, does not carry out time variant; Under time variant voltage output mode, output port voltage is on time positive and negative switching.Such as, timing is 30 seconds, and output port voltage swing is 5.0V, then every 30 seconds, output port voltage converts between+5.0V and-5.0V.Input port is connected to+12V power supply, and output port connects load.Press start button, output port voltage swing is 1V.As required, press raise button and raise output port voltage swing, or press reduction button reduction output port voltage swing.Press stop button, output port voltage is set to 0V.Press reset button, output port voltage swing is set to 1V.LCDs is observed output port voltage swing and positive and negative.
The invention has the advantages that:
(1) the accurate adjustable dc voltage conversion equipment of a kind of timing reversing of the present invention's proposition, output area is large ,+12V input voltage can be converted to+1V and export to+12V ,-12V to-1V, and be that regulated quantity is adjustable step by step with 0.1V within the scope of this;
(2) the accurate adjustable dc voltage conversion equipment of a kind of timing reversing of the present invention's proposition, output voltage precision is high, and output voltage error is less than 0.01V;
(3) the accurate adjustable dc voltage conversion equipment of a kind of timing reversing of the present invention's proposition, voltage output mode is comprehensive, output port voltage has three kinds of output modes, comprises the output of constant positive voltage, constant negative voltage exports and time variant voltage exports Three models;
(4) the accurate adjustable dc voltage conversion equipment of a kind of timing reversing that proposes of the present invention, Man machine interaction is good, and operability is good, and push-botton operation is easy, and LCDs is convenient to the size of display translation voltage intuitively and positive and negative.
Accompanying drawing explanation
Fig. 1 is a kind of timing reversing of the present invention accurate adjustable dc voltage conversion device structure schematic diagram;
Fig. 2 is a kind of timing reversing of the present invention accurate adjustable dc voltage conversion device structure composition diagram.
In figure:
1-voltage transformation module; 2-human-computer interaction module; 3-voltage control module;
1A-input port; 1B-+12V turns ± 15V power module; 1C-+12V turns+5V power module;
2A-LCDs; 2B-start button; 2C-stop button;
2D-raise button; 2E-reduces button; 2F-reset button;
3A-operational amplification circuit; 3B-DA change-over circuit; 3C-governor circuit;
3D-commutating circuit; 3E-output port.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is described in further detail.
As shown in Figure 1, the accurate adjustable dc voltage conversion equipment of a kind of timing reversing that the present invention proposes mainly comprises voltage transformation module 1, human-computer interaction module 2 and voltage control module 3.Wherein, input voltage is converted to the supply power voltage of human-computer interaction module 2 and voltage control module 3 by voltage transformation module 1; Human-computer interaction module 2 arranges output voltage size for user and observes the size of output voltage and positive and negative; Voltage control module 3 pairs of output voltage sizes and generating positive and negative voltage conversion control.
As shown in Figure 2, described voltage transformation module 1 by input port 1A ,+12V turn ± 15V power module 1B and+12V turn+5V power module 1C and form.+ 12V the voltage inputted by input port 1A is input to+12V respectively and turns ± and 15V power module 1B and+12V turns in+5V power module 1C, wherein+12V turn ± 15V power module 1B exports+15V voltage and-15V voltage ,+12V turns+5V power module 1C and exports+5V voltage.By+12V turn ± 15V power module 1B export voltage+15V voltage and-15V voltage power as the operational amplification circuit 3A of supply power voltage to voltage control module 3.By+12V turn+5V voltage that+5V power module 1C exports as supply power voltage to LCDs 2A, the start button 2B of human-computer interaction module 2, stop button 2C, raise button 2D, reduce button 2E, reset button 2F, the DA change-over circuit 3B of voltage control module 3, governor circuit 3C, commutating circuit 3D power.
As shown in Figure 2, described human-computer interaction module 2 comprises LCDs 2A and button, described button comprises start button 2B, stop button 2C, raise button 2D, reduces button 2E and reset button 2F, for the governor circuit 3C in voltage control module 3 provides control command.LCDs 2A can the numerically voltage swing of display translation port 3E and positive and negative.Described button is used for the voltage swing of control output end mouth 3E.Start button 2B starting resistor is changed, and output port 3E voltage swing is set to 1.00V, and starts timing.Output port 3E voltage is set to 0V by stop button 2C.Output port 3E voltage swing is raised 0.10V by raise button 2D.Reduce button 2E and output port 3E voltage swing is reduced 0.10V.Output port 3E voltage swing is set to 1.00V by reset button 2F.Output port 3E voltage swing error is less than 0.01V.
As shown in Figure 2, described voltage control module 3 is made up of governor circuit 3C, DA change-over circuit 3B, operational amplification circuit 3A, commutating circuit 3D and output port 3E.Governor circuit 3C adopts ATmega128 chip and peripheral circuit composition thereof, DA change-over circuit 3B adopts DAC7611 chip and peripheral circuit composition thereof, operational amplification circuit 3A adopts MAX478 and peripheral circuit composition thereof, and commutating circuit 3D adopts relay and peripheral circuit composition thereof.The control command that start button 2B, the stop button 2C of governor circuit 3C reception human-computer interaction module 2, raise button 2D, reduction button 2E and reset button 2F input, output port 3E voltage swing is set, numerical value is input in DA change-over circuit 3B and generates analog voltage.The analog voltage exported by DA change-over circuit 3B and+12V turn ± and supply power voltage that 15V power module 1B exports is input in operational amplification circuit 3A, and generate output voltage, comprise positive voltage+1V to+12V, no-voltage 0V and negative voltage-12V to-1V three kinds.The resistance used in operational amplification circuit 3A selects precision resister to ensure the accuracy of multiplication factor.Governor circuit 3C is by timer internal timing, control commutating circuit 3D time variant, the output voltage of operational amplification circuit 3A is transformed to output port 3E voltage, comprises the output of constant positive voltage, constant negative voltage exports and time variant voltage exports three kinds of voltage output modes.Governor circuit 3C shows on output port 3E voltage swing and the positive and negative LCDs 2A being sent to human-computer interaction module 2.
The course of work of timing reversing provided by the invention accurate adjustable dc voltage conversion equipment is as follows:
In use, first setting voltage output mode in the program of governor circuit 3C.Under constant positive voltage output mode, output port 3E voltage perseverance is positive voltage, does not carry out time variant; Under constant negative voltage output mode, output port 3E voltage perseverance is negative voltage, does not carry out time variant; Under time variant voltage output mode, output port 3E voltage converts on time between generating positive and negative voltage.Such as, timing is 30 seconds, and output port 3E voltage swing is 5.0V, then every 30 seconds, output port 3E voltage converts between+5.0V and-5.0V.Input port 1A is connected to+12V power supply, and output port 3E connects load.Press start button 2B, output port 3E voltage swing is 1V.As required, press raise button 2D and raise output port 3E voltage swing, or press reduction button 2E reduction output port 3E voltage swing.Press stop button 2C, output port 3E voltage is set to 0V.Press reset button 2F, output port 3E voltage swing is set to 1V.LCDs 2A observes output port 3E voltage swing and positive and negative.
Claims (5)
1. the accurate adjustable dc voltage conversion equipment of timing reversing, is characterized in that: the accurate adjustable dc voltage conversion equipment of described timing reversing comprises voltage transformation module, human-computer interaction module and voltage control module; Wherein, input voltage is converted to the supply power voltage of human-computer interaction module and voltage control module by voltage transformation module; Human-computer interaction module is for arranging output voltage size and observing the size of output voltage and positive and negative; Voltage control module controls output voltage size and sign change; Described voltage control module is made up of governor circuit, DA change-over circuit, operational amplification circuit, commutating circuit and output port; Governor circuit receives the button control instruction of human-computer interaction module input, export numerical value and generate analog voltage in DA change-over circuit, the analog voltage exported by DA change-over circuit and+12V turn ± and supply power voltage that 15V power module exports is input in operational amplification circuit, generate output voltage, comprise positive voltage+1V to+12V, no-voltage 0V and negative voltage-12V to-1V three kinds; Governor circuit, by timer internal timing, controls commutating circuit time variant, conversion output port voltage, comprises the output of constant positive voltage, constant negative voltage exports and between generating positive and negative voltage, voltage of transformation exports three kinds of voltage output modes; Governor circuit shows on output port voltage swing and the positive and negative LCDs being sent to human-computer interaction module.
2. the accurate adjustable dc voltage conversion equipment of a kind of timing reversing according to claim 1, it is characterized in that :+12V input voltage can be converted to positive voltage+1V to+12V and negative voltage-12V to-1V and export by the accurate adjustable dc voltage conversion equipment of described timing reversing, and be that regulated quantity regulates step by step with 0.1V in this output area, output error is less than 0.01V, and output can carry out generating positive and negative voltage conversion by setting-up time.
3. the accurate adjustable dc voltage conversion equipment of a kind of timing reversing according to claim 1, is characterized in that: described voltage transformation module by input port ,+12V turn ± 15V power module and+12V turn+5V power module and form; Wherein+12V turn ± 15V power module exports+15V voltage and-15V voltage ,+12V turns+5V power module and exports+5V voltage, and the voltage of output is powered to voltage control module and human-computer interaction module as supply power voltage.
4. the accurate adjustable dc voltage conversion equipment of a kind of timing reversing according to claim 1, is characterized in that: described human-computer interaction module comprises LCDs, start button, stop button, raise button, reduction button and reset button; The size of LCDs display translation port voltage and positive and negative; Start button starting resistor is changed, and output port voltage swing is set to 1.00V, and starts timing; Output port voltage is set to 0V by stop button; Output port voltage swing is raised 0.10V by raise button; Reduce button and output port voltage swing is reduced 0.10V; Output port voltage swing is set to 1.00V by reset button; Output voltage Size Error is less than 0.01V.
5. the accurate adjustable dc voltage conversion equipment of a kind of timing reversing according to claim 1, it is characterized in that: described governor circuit is made up of ATmega128 chip and peripheral circuit thereof, DA change-over circuit is made up of DAC7611 chip and peripheral circuit thereof, operational amplification circuit is made up of MAX478 and peripheral circuit thereof, and commutating circuit is made up of relay and peripheral circuit thereof.
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| CN201410053630.5A CN103812327B (en) | 2014-02-17 | 2014-02-17 | The accurate adjustable dc voltage conversion equipment of a kind of timing reversing |
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| CN201410053630.5A CN103812327B (en) | 2014-02-17 | 2014-02-17 | The accurate adjustable dc voltage conversion equipment of a kind of timing reversing |
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| CN103812327B true CN103812327B (en) | 2016-04-06 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582635A (en) * | 2009-06-30 | 2009-11-18 | 东华理工大学 | Direct current boosting power device of three-dimensional resistivity imaging system |
| CN101685974A (en) * | 2008-09-28 | 2010-03-31 | 徐建华 | Mobile power supply |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI251730B (en) * | 2004-02-05 | 2006-03-21 | Golden Bridge Electech Inc | Selectable DC output power converter with voltage level indicating device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685974A (en) * | 2008-09-28 | 2010-03-31 | 徐建华 | Mobile power supply |
| CN101582635A (en) * | 2009-06-30 | 2009-11-18 | 东华理工大学 | Direct current boosting power device of three-dimensional resistivity imaging system |
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