CN205787998U - A kind of visualization Digital DC Voltage-stabilized Power Source - Google Patents
A kind of visualization Digital DC Voltage-stabilized Power Source Download PDFInfo
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- CN205787998U CN205787998U CN201620736223.9U CN201620736223U CN205787998U CN 205787998 U CN205787998 U CN 205787998U CN 201620736223 U CN201620736223 U CN 201620736223U CN 205787998 U CN205787998 U CN 205787998U
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Abstract
The utility model discloses a kind of visualization Digital DC Voltage-stabilized Power Source, relate to intelligent power supply technical field, this Digital DC Voltage-stabilized Power Source solves traditional regulated power supply and does not possess output voltage visualization and the most high defect of numerical control precision, this visualization Digital DC Voltage-stabilized Power Source uses software system to control, the intelligence degree making DCPS digitally controlled power source module is higher, and performance is more perfect.Secondly, this power supply controls flexibly, and system upgrade is convenient, can be with online modification control algolithm, without changing hardware circuit.The concordance of this power-supply system is good, extensibility is high, low cost, and it is convenient to manufacture.At domestic power supply and light current industrial control field, there is great using value.
Description
Technical field
This utility model relates to intelligent power technical field, steady particularly to a kind of numerical-control direct-current possessing visualization function
Voltage source.
Background technology
Nowadays, power technology development is swift and violent.Current power technology has merged electrically, electronics, the system integration, control are managed
The subjects fields such as opinion, material.Along with computer technology and the development of communication technology, Power Electronic Technique has also possessed wide
Development prospect, and the design to power supply is had higher requirement.DCPS digitally controlled power source is now widely used in electronic installation,
The error that common voltage source operationally produces, can affect the accuracy of whole system.Generally exist numerical control precision do not reach want
Ask, resolution is the highest, power is than shortcoming relatively low, that reliability is poor.Therefore the developing direction that DCPS digitally controlled power source is main, is for upper
State shortcoming constantly to be improved.
Visualization DCPS digitally controlled power source is the not enough design for conventional power source, and information of voltage can be shown by visualization intuitively
Showing on screen, numerical control can reduce the uncertain factor in production process and the artificial link number participated in, and efficiently solves electricity
The such as engineering problem such as reliability, intellectuality and homogeneity of product in source module, be greatly enhanced production efficiency and product can
Maintainability.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of visualization Digital DC Voltage-stabilized Power Source, by using
LCD screen shows, the method such as control chip in high precision, to solve above-mentioned many defects of the prior art.
For achieving the above object, the technical scheme that this utility model offer is following:
A kind of visualization Digital DC Voltage-stabilized Power Source, including input terminal, input terminal connects power frequency voltage changing module, power frequency
Voltage changing module connects system power supply module；System power supply module connects BSL debugging and jtag interface circuit, processor die
Block, voltage regulating module and display module, processor module connect voltage regulating module, BSL debugging with jtag interface circuit, display module and
AD circuit；Display module connects A/D modular converter by parameter adjustment module, and A/D modular converter connects voltage regulating module；Pressure regulation mould
Block connects lead-out terminal.
Further improving, power frequency voltage changing module includes Industrial Frequency Transformer；Described processor module is MSP430 processor
Module；Described voltage regulating module is LM317 voltage regulating module；Described display module is LCD1602 display module.
Further improve, described system power supply module include LM7812 power supply submodule, LM7805 power supply submodule and
ASM117-3.3 power supply submodule；ASM117-3.3 power supply submodule connects MSP430 processor module；LM7805 power supply submodule
Block connects BSL debugging and jtag interface circuit and LCD1602 display module；LM7812 power supply submodule connects LM317 pressure regulation mould
Block.
Further improving, described processor module includes MSP430 processor.
Further improving, described voltage regulating module includes LM317 processor.
Further improving, described processor module connects voltage regulating module by low-pass filtering scaling circuit；Low pass
Filtering scaling circuit includes OP07 processor or μ A741 processor.
Further improving, described A/D modular converter includes 32 high-precision A/D conversion chip.
Further improving, described BSL debugging includes CH340T high-speed downloads chip with jtag interface circuit.
Above technical scheme is used to provide the benefit that: this visualization Digital DC Voltage-stabilized Power Source makes DCPS digitally controlled power source module
Intelligence degree higher, performance is more perfect.Secondly, this power supply controls flexibly, and system upgrade is convenient, can be with online modification control
Algorithm, without changing hardware circuit.The concordance of this power-supply system is good, extensibility is high, low cost, and it is convenient to manufacture.
This technical scheme can improve the control accuracy of DCPS digitally controlled power source, can be convenient to make by the display of output information moment on LCD screen
Check with personnel.At domestic power supply and light current industrial control field, there is great using value.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model visualization Digital DC Voltage-stabilized Power Source；
Fig. 2 is the control hierarchy figure of this utility model visualization Digital DC Voltage-stabilized Power Source；
Fig. 3 is the flow for displaying figure of this utility model visualization Digital DC Voltage-stabilized Power Source；
Fig. 4 is the key works flow chart of this utility model visualization Digital DC Voltage-stabilized Power Source；
Fig. 5 is the voltage-regulation flow chart of this utility model visualization Digital DC Voltage-stabilized Power Source；
Fig. 6 is the circuit diagram of system power supply module；
Fig. 7 is the circuit diagram of BSL debugging and jtag interface circuit；
Fig. 8 is the circuit diagram of MSP430 processor；
Fig. 9 is the circuit diagram of display module
Figure 10 is the circuit diagram of voltage-regulating circuit；
Figure 11 is the circuit diagram of A/D modular converter；
Figure 12 is circuit overall structure chart of the present utility model.
In Fig. 2 control hierarchy figure, 201 physical layers (hardware circuit), 202 intermediate layers (AD collecting unit), 203
Intermediate layer (voltage control unit), 204 intermediate layers (core controller), 205 application layers (on-line debugging), 206 application
Layer (data show).
Detailed description of the invention
Describe the preferred implementation of this utility model visualization Digital DC Voltage-stabilized Power Source below in conjunction with the accompanying drawings in detail.
Fig. 1 shows that structural representation of the present utility model, this visualization Digital DC Voltage-stabilized Power Source include input terminal
101, power frequency voltage changing module 102, system power supply module 103, BSL debugging and jtag interface circuit 107, MSP430 processor module
108, LM317 voltage regulating module 109, A/D modular converter 113, circuit parameter adjusting module 112, lead-out terminal 114.At system electricity
Source module 103 contains following submodule the most respectively: LM7812 power supply submodule 106, LM7805 power supply submodule 105 and
ASM117-3.3 power supply submodule 104.It is concrete as it is shown in figure 1, MSP430 processor and LM317 voltage-regulating circuit are whole
The core of system, the process of MSP430 processor mainly responsible instruction and the storage of data, LM317 voltage-regulating circuit is mainly real
The scalable function of existing output voltage.
The workflow of the preferred implementation of this visualization Digital DC Voltage-stabilized Power Source is described below: civil power is through input
Son 101 enters system, and the voltage that output ripple coefficient is higher after the Voltage Cortrol of Industrial Frequency Transformer, in rectification, filtered electrical
The DC voltage that after the process on road, output stability is good, ripple factor is low.Entering system power supply module, passing through respectively
LM7812 power supply submodule 106, LM7805 power supply submodule 105, ASM117-3.3 power supply submodule 104 to system provide 12V,
5V, 3.3V good stability, pure DC voltage, the steady operation of safeguards system.The voltage needing to use this part to provide
Part have: MSP430 processor module 108 use 3.3V power supply, BSL debugging with jtag interface circuit 107 use 5V power supply,
LM317 voltage regulating module 109 uses 12V power supply, LCD1602 display module 110 to use 5V power supply.MSP430 processor module 108
After obtaining energy supply, just can start working under the effect of auxiliary circuit, by exporting arteries and veins to LM317 voltage regulating module 109
Rush wide modulation waveform (PWM ripple) and control the output voltage of LM317 voltage regulating module 109.Here it is to be noted that only
The PWM waveform exported by MSP430 module 108 can not directly control the output voltage of LM317 module, needs this PWM waveform warp
LM317 circuit could be driven after crossing low-pass filtering scaling circuit, thus ensure the controlled of output voltage.In order to make
MSP430 processor can accurately control the output of LM317 voltage regulating module 109, and negative-feedback circuit i.e. uses, A/D turns to need use
Real-time for output voltage is collected MSP430 processor by die change block 113 (i.e. AD circuit), it is simple to processor regulates PWM ripple in real time
Width modulated.And the information such as the output voltage numerical value collected can be passed through real-time the showing of LCD1602 display module 110
Show.In this power-supply system, the sampling precision of the regulation AD circuit that parameter adjustment module 112 can be real-time and LCD1602 show
Show the display brightness of module 110.The output voltage of last LM317 voltage regulating module 109 exports for user through lead-out terminal 114
Use.
Visualization Digital DC Voltage-stabilized Power Source control hierarchy figure as shown in Figure 2, hardware circuit layer 201 be primarily referred to as be
The physical composition part of system, including: importation, system power supply part, core control portions, voltage-regulation part, AD sampling
Partly, display part, output part and system debug part.Wherein system power supply part contains again: rectifying part, filtering part
Point, voltage stabilization part.Intermediate layer includes key control unit 204, AD sampling section 202, voltage-regulation part 203.Core controls
Unit 204 is made up of MSP430 processor and its peripheral circuit.Voltage-regulation part 203 is by LM317 module and its periphery
Circuit is constituted.Application layer includes online debugging unit 205, data display unit 206.
As shown in Figure 3, system after start-up, first detects the flow for displaying figure of visualization Digital DC Voltage-stabilized Power Source
Whether core processor is in normal operating conditions.By detection crystal oscillator, whether starting of oscillation detects.Then carry out
System initialization works, and is initialized by AD input module.Start output voltage numerical value is sampled.Pass through core processor
Unit by display real-time for the data that collect at LCD1602 LCD screen.
The key works flow chart of visualization Digital DC Voltage-stabilized Power Source as shown in Figure 4, has first detected whether button
Press.Carry out time delay when confirming and having button to press to disappear and tremble, it is ensured that system will be caused to judge by accident due to external world's shake.Time delay it
Rear confirmation has button to press, and processing corresponding key assignments i.e. has system to send corresponding instruction, performs corresponding operation.At this electricity
Origin system is provided with reset key, output voltage stepping adds button, output voltage stepping subtracts button and confirms button.Reset
Button is pressing pressure MSP430 processor execution reset operation afterwards.Output voltage stepping adds button, output voltage stepping subtracts
Button can adjust the size of output voltage after button is pressed.Confirm that button i.e. confirms current operation.
As shown in Figure 5, voltage-regulation is mainly by being for the voltage-regulation flow chart of visualization Digital DC Voltage-stabilized Power Source
The waveform widths of the output pulse width modulation waveform of system is set.After the system starts, detection crystal whether starting of oscillation,
Guarantee that MSP430 processor unit is in running order.Then carry out system initialization, system core control unit export PWM
Waveform regulates the output voltage of LM317 circuit, thus realizes the scalable function of output voltage.
As shown in figure 12, for circuit structure connection diagram of the present utility model.
Above is only preferred implementation of the present utility model, it is noted that for those of ordinary skill in the art
For, on the premise of creating design without departing from this utility model, it is also possible to make some deformation and improvement, these broadly fall into this
The protection domain of utility model.
Claims (8)
1. a visualization Digital DC Voltage-stabilized Power Source, it is characterised in that: including input terminal, input terminal connects power frequency transformation
Module, power frequency voltage changing module connects system power supply module；System power supply module connect have BSL debugging with jtag interface circuit,
Processor module, voltage regulating module and display module, processor module connects voltage regulating module, BSL debugging and jtag interface circuit, shows
Show module and AD circuit；Display module connects A/D modular converter by parameter adjustment module, and A/D modular converter connects pressure regulation mould
Block；Voltage regulating module connects lead-out terminal.
Visualization Digital DC Voltage-stabilized Power Source the most according to claim 1, it is characterised in that: power frequency voltage changing module includes work
Frequency power transformer；Described processor module is MSP430 processor module；Described voltage regulating module is LM317 voltage regulating module；Described aobvious
Show that module is LCD1602 display module.
Visualization Digital DC Voltage-stabilized Power Source the most according to claim 2, it is characterised in that: described system power supply module bag
Include LM7812 power supply submodule, LM7805 power supply submodule and ASM117-3.3 power supply submodule；ASM117-3.3 power supply submodule
Block connects MSP430 processor module；LM7805 power supply submodule connects BSL debugging and shows with jtag interface circuit and LCD1602
Module；LM7812 power supply submodule connects LM317 voltage regulating module.
Visualization Digital DC Voltage-stabilized Power Source the most according to claim 1, it is characterised in that: described processor module includes
MSP430 processor.
Visualization Digital DC Voltage-stabilized Power Source the most according to claim 1, it is characterised in that: described voltage regulating module includes
LM317 processor.
Visualization Digital DC Voltage-stabilized Power Source the most according to claim 1, it is characterised in that: described processor module passes through
Low-pass filtering scaling circuit connects voltage regulating module；Low-pass filtering scaling circuit includes at OP07 processor or μ A741
Reason device.
Visualization Digital DC Voltage-stabilized Power Source the most according to claim 1, it is characterised in that: described A/D modular converter bag
Include 32 high-precision A/D conversion chip.
Visualization Digital DC Voltage-stabilized Power Source the most according to claim 1, it is characterised in that: described BSL debugging and JTAG
Interface circuit includes CH340T high-speed downloads chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736223.9U CN205787998U (en) | 2016-07-13 | 2016-07-13 | A kind of visualization Digital DC Voltage-stabilized Power Source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736223.9U CN205787998U (en) | 2016-07-13 | 2016-07-13 | A kind of visualization Digital DC Voltage-stabilized Power Source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205787998U true CN205787998U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620736223.9U Expired - Fee Related CN205787998U (en) | 2016-07-13 | 2016-07-13 | A kind of visualization Digital DC Voltage-stabilized Power Source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336893A (en) * | 2018-02-24 | 2018-07-27 | 哈尔滨研拓科技发展有限公司 | A kind of power supply cabinet |
| CN113359923A (en) * | 2021-06-23 | 2021-09-07 | 吉林大学 | Digital controlled DC voltage-stabilized source |
-
2016
- 2016-07-13 CN CN201620736223.9U patent/CN205787998U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336893A (en) * | 2018-02-24 | 2018-07-27 | 哈尔滨研拓科技发展有限公司 | A kind of power supply cabinet |
| CN113359923A (en) * | 2021-06-23 | 2021-09-07 | 吉林大学 | Digital controlled DC voltage-stabilized source |
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| 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: 20161207 Termination date: 20170713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |