CN205317845U - Simple and easy power, voltmeter, signal generator integrated device - Google Patents
Simple and easy power, voltmeter, signal generator integrated device Download PDFInfo
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- CN205317845U CN205317845U CN201620016680.0U CN201620016680U CN205317845U CN 205317845 U CN205317845 U CN 205317845U CN 201620016680 U CN201620016680 U CN 201620016680U CN 205317845 U CN205317845 U CN 205317845U
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Abstract
The utility model provides a simple and easy power, the voltmeter, signal generator integrated device uses high performance -price ratio STM32F103C8 singlechip to combine power technology as the core, the analog -to -digital conversion technique, the signal generation technique, the amplifier technique, liquid crystal display technology designs, by singlechip controller (1), direct current voltage stabilizing circuit (2), analog -to -digital conversion chip (3), crystal oscillator (4), frequency synthesis chip (5), signal amplifier (6), matrix keying circuit (7), LCD liquid crystal display module (8) are common to be constituteed, provide 5V, 9V, 12V DC voltage output, realize voltage measurement function, sine wave signal output, through matrix keying circuit, realize voltage measurement switch function key, sine wave signal output switch function key and sine wave signal's frequency setting, through LCD liquid crystal display module, realization voltage, sine wave signal's frequency displaying, the device has the practicality characteristics that are showing such as strong, simple to use.
Description
Technical field
The utility model relates to micro-chip control device technology, power technology, modulus conversion technique, signal generation technique, amplifier technology, lcd technology etc., especially a kind of simple and easy power supply, voltmeter, signal generator integrating device.
Background technology
Power supply, voltmeter, signal generator are the most frequently used laboratory apparatus devices, in the teaching of electric relevant speciality, often need to use the basic function of various instrument. This device designs a kind of simple and easy power supply, voltmeter, signal generator integrating device by core of high performance-price ratio STM32F103C8 micro-chip in conjunction with power technology, modulus conversion technique, signal generation technique, amplifier technology, lcd technology.
Summary of the invention
The purpose of this utility model is to provide a kind of simple and easy power supply, voltmeter, signal generator integrating device, by DC voltage-stabilizing circuit, it is provided that 5V, 9V, 12V direct voltage output; Pass through modulus conversion chip, it is achieved voltage measurement function; By frequency synthesis chip, signal amplifier, it is achieved sinusoidal wave signal exports; By matrix press-key circuit, it is achieved the set of frequency of voltage measurement switch function key, sinusoidal wave signal output switch function key and sinusoidal wave signal; By LCD liquid-crystal display module, it is achieved the frequency display of voltage, sinusoidal wave signal.
The utility model solves the technical scheme that its technical problem adopts: the utility model is taking high performance-price ratio STM32F103C8 micro-chip as core is in conjunction with power technology, modulus conversion technique, signal generation technique, amplifier technology, lcd technology designs, by micro-chip control device (1), DC voltage-stabilizing circuit (2), modulus conversion chip (3), crystal oscillator (4), frequency synthesis chip (5), signal amplifier (6), matrix press-key circuit (7), LCD liquid-crystal display module (8) forms jointly, it is characterised in that: form micro-chip control device (1) by STM32F103C8 micro-chip, by XS-BYQ2460 transformer, RS808 rectification bridge, LM7805 voltage stabilizing chip, LM7809 voltage stabilizing chip, LM7812 voltage stabilizing chip forms DC voltage-stabilizing circuit (2), modulus conversion chip (3) is formed by AD0809 chip, crystal oscillator (4) is formed by the active crystal oscillator of 30MHz, frequency synthesis chip (5) is formed by AD9852 chip, signal amplifier (6) is formed by ISL28195 instrument amplifier, matrix press-key circuit (7) is formed, by JLX12864G-109-P module composition LCD liquid-crystal display module (8) by 12 DS430 two pin preset buttons,Two output ports of XS-BYQ2460 transformer meet the 2nd of RS808 rectification bridge, 3rd port, the 3rd of LM7805 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, the 3rd of LM7809 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, the 3rd of LM78012 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, 5V direct voltage output is provided by the Two-port netwerk of LM7805 voltage stabilizing chip, 9V direct voltage output is provided by the Two-port netwerk of LM7809 voltage stabilizing chip, 12V direct voltage output is provided by the Two-port netwerk of LM7812 voltage stabilizing chip, the GPC1-GPC3 port of STM32F103C8 micro-chip connects A, B, C port of AD0809 chip, the GPD0-GPD7 port of STM32F103C8 micro-chip connects the D0-D7 port of AD0809 chip, GPC4, GPC5, GPC6 port of STM32F103C8 micro-chip connects OE, ST, EOC port of AD0809 chip respectively, the IN1 port of AD0809 chip connects tested voltage, it is achieved voltage measurement function, 3rd port of the active crystal oscillator of 30MHz connects the REFCLK port of AD9852 chip, the GPB0-GPB7 port of STM32F103C8 micro-chip connects the D0-D7 port of AD9852 chip, GPA1, GPA2 port of STM32F103C8 micro-chip connects WCLK, FQ port of AD9852 chip, the IOUT port of AD9852 chip connects the 3rd port of ISL28195 instrument amplifier, provides sinusoidal wave signal to export by the output port of ISL28195 instrument amplifier, the PE0-PE2 port of STM32F103C8 micro-chip connects three lines of matrix press-key circuit (7), the PE3-PE6 port of STM32F103C8 micro-chip connects four row lines of matrix press-key circuit (7), identify 12 DS430 two pin preset buttons, 12 DS430 two pin preset buttons are used separately as 10 numeric keys, voltage measurement switch function key, sinusoidal wave signal output switch function key, and 10 numeric keys is used as the set of frequency of sinusoidal wave signal, GPH0-GPH7, GPA3-GPA7 port of STM32F103C8 micro-chip connects data port, the control port of JLX12864G-109-P module respectively, it is achieved the frequency display of voltage, sinusoidal wave signal.
The beneficial effects of the utility model are: the utility model designs by core of high performance-price ratio STM32F103C8 micro-chip in conjunction with power technology, modulus conversion technique, signal generation technique, amplifier technology, lcd technology, it is provided that 5V, 9V, 12V direct voltage output; Realize voltage measurement function, sinusoidal wave signal output; By matrix press-key circuit, it is achieved the set of frequency of voltage measurement switch function key, sinusoidal wave signal output switch function key and sinusoidal wave signal; By LCD liquid-crystal display module, it is achieved the frequency display of voltage, sinusoidal wave signal; Device have practical, use the significantly feature such as simple.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model will be further described.
Fig. 1 is the utility model schematic block circuit diagram, in figure: 1. micro-chip control device, 2. stream voltage stabilizing circuit, 3. modulus conversion chip, 4. crystal oscillator, 5. frequency synthesis chip, 6. signal amplifier, 7. matrix press-key circuit, 8.LCD liquid-crystal display module.
Embodiment
FIGS 1 the utility model is made up of jointly micro-chip control device (1), DC voltage-stabilizing circuit (2), modulus conversion chip (3), crystal oscillator (4), frequency synthesis chip (5), signal amplifier (6), matrix press-key circuit (7), LCD liquid-crystal display module (8), forms micro-chip control device (1) by STM32F103C8 micro-chip.
By XS-BYQ2460 transformer, RS808 rectification bridge, LM7805 voltage stabilizing chip, LM7809 voltage stabilizing chip, LM7812 voltage stabilizing chip forms DC voltage-stabilizing circuit (2), two output ports of XS-BYQ2460 transformer meet the 2nd of RS808 rectification bridge, 3rd port, the 3rd of LM7805 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, the 3rd of LM7809 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, the 3rd of LM78012 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, 5V direct voltage output is provided by the Two-port netwerk of LM7805 voltage stabilizing chip, 9V direct voltage output is provided by the Two-port netwerk of LM7809 voltage stabilizing chip, 12V direct voltage output is provided by the Two-port netwerk of LM7812 voltage stabilizing chip.
Modulus conversion chip (3) is formed by AD0809 chip, the GPC1-GPC3 port of STM32F103C8 micro-chip connects A, B, C port of AD0809 chip, the GPD0-GPD7 port of STM32F103C8 micro-chip connects the D0-D7 port of AD0809 chip, GPC4, GPC5, GPC6 port of STM32F103C8 micro-chip connects OE, ST, EOC port of AD0809 chip respectively, the IN1 port of AD0809 chip connects tested voltage, it is achieved voltage measurement function.
Crystal oscillator (4) is formed by the active crystal oscillator of 30MHz, frequency synthesis chip (5) is formed by AD9852 chip, signal amplifier (6) is formed by ISL28195 instrument amplifier, 3rd port of the active crystal oscillator of 30MHz connects the REFCLK port of AD9852 chip, the GPB0-GPB7 port of STM32F103C8 micro-chip connects the D0-D7 port of AD9852 chip, the GPA1 of STM32F103C8 micro-chip, GPA2 port meets the WCLK of AD9852 chip, FQ port, the IOUT port of AD9852 chip connects the 3rd port of ISL28195 instrument amplifier, sinusoidal wave signal is provided to export by the output port of ISL28195 instrument amplifier.
Matrix press-key circuit (7) is formed by 12 DS430 two pin preset buttons, the PE0-PE2 port of STM32F103C8 micro-chip connects three lines of matrix press-key circuit (7), the PE3-PE6 port of STM32F103C8 micro-chip connects four row lines of matrix press-key circuit (7), identify 12 DS430 two pin preset buttons, 12 DS430 two pin preset buttons are used separately as 10 numeric keys, voltage measurement switch function key, sinusoidal wave signal output switch function key, and 10 numeric keys is used as the set of frequency of sinusoidal wave signal.
By JLX12864G-109-P module composition LCD liquid-crystal display module (8), GPH0-GPH7, GPA3-GPA7 port of STM32F103C8 micro-chip connects data port, the control port of JLX12864G-109-P module respectively, it is achieved the frequency display of voltage, sinusoidal wave signal.
Claims (1)
1. a simple and easy power supply, voltmeter, signal generator integrating device, by micro-chip control device (1), DC voltage-stabilizing circuit (2), modulus conversion chip (3), crystal oscillator (4), frequency synthesis chip (5), signal amplifier (6), matrix press-key circuit (7), LCD liquid-crystal display module (8) forms jointly, it is characterized in that: a). form micro-chip control device (1) by STM32F103C8 micro-chip, by XS-BYQ2460 transformer, RS808 rectification bridge, LM7805 voltage stabilizing chip, LM7809 voltage stabilizing chip, LM7812 voltage stabilizing chip forms DC voltage-stabilizing circuit (2), modulus conversion chip (3) is formed by AD0809 chip, crystal oscillator (4) is formed by the active crystal oscillator of 30MHz, frequency synthesis chip (5) is formed by AD9852 chip, signal amplifier (6) is formed by ISL28195 instrument amplifier, matrix press-key circuit (7) is formed by 12 DS430 two pin preset buttons, by JLX12864G-109-P module composition LCD liquid-crystal display module (8),B) two output ports of .XS-BYQ2460 transformer meet the 2nd of RS808 rectification bridge, 3rd port, the 3rd of LM7805 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, the 3rd of LM7809 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, the 3rd of LM78012 voltage stabilizing chip, first port meets the 4th of RS808 rectification bridge, first port, 5V direct voltage output is provided by the Two-port netwerk of LM7805 voltage stabilizing chip, 9V direct voltage output is provided by the Two-port netwerk of LM7809 voltage stabilizing chip, 12V direct voltage output is provided by the Two-port netwerk of LM7812 voltage stabilizing chip, c) the GPC1-GPC3 port of .STM32F103C8 micro-chip connects A, B, C port of AD0809 chip, the GPD0-GPD7 port of STM32F103C8 micro-chip connects the D0-D7 port of AD0809 chip, GPC4, GPC5, GPC6 port of STM32F103C8 micro-chip connects OE, ST, EOC port of AD0809 chip respectively, the IN1 port of AD0809 chip connects tested voltage, it is achieved voltage measurement function, d) the 3rd port of the active crystal oscillator of .30MHz connects the REFCLK port of AD9852 chip, the GPB0-GPB7 port of STM32F103C8 micro-chip connects the D0-D7 port of AD9852 chip, GPA1, GPA2 port of STM32F103C8 micro-chip connects WCLK, FQ port of AD9852 chip, the IOUT port of AD9852 chip connects the 3rd port of ISL28195 instrument amplifier, provides sinusoidal wave signal to export by the output port of ISL28195 instrument amplifier, e) the PE0-PE2 port of .STM32F103C8 micro-chip connects three lines of matrix press-key circuit (7), the PE3-PE6 port of STM32F103C8 micro-chip connects four row lines of matrix press-key circuit (7), identify 12 DS430 two pin preset buttons, 12 DS430 two pin preset buttons are used separately as 10 numeric keys, voltage measurement switch function key, sinusoidal wave signal output switch function key, and 10 numeric keys is used as the set of frequency of sinusoidal wave signal, f) GPH0-GPH7, GPA3-GPA7 port of .STM32F103C8 micro-chip connects data port, the control port of JLX12864G-109-P module respectively, it is achieved the frequency display of voltage, sinusoidal wave signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620016680.0U CN205317845U (en) | 2016-01-11 | 2016-01-11 | Simple and easy power, voltmeter, signal generator integrated device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620016680.0U CN205317845U (en) | 2016-01-11 | 2016-01-11 | Simple and easy power, voltmeter, signal generator integrated device |
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| CN205317845U true CN205317845U (en) | 2016-06-15 |
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| CN201620016680.0U Expired - Fee Related CN205317845U (en) | 2016-01-11 | 2016-01-11 | Simple and easy power, voltmeter, signal generator integrated device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828323A (en) * | 2018-08-09 | 2018-11-16 | 武汉软件工程职业学院(武汉市广播电视大学) | A kind of simple digital clocking signal analytical equipment |
-
2016
- 2016-01-11 CN CN201620016680.0U patent/CN205317845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828323A (en) * | 2018-08-09 | 2018-11-16 | 武汉软件工程职业学院(武汉市广播电视大学) | A kind of simple digital clocking signal analytical equipment |
| CN108828323B (en) * | 2018-08-09 | 2024-07-16 | 武汉软件工程职业学院(武汉市广播电视大学) | Simple digital signal time sequence analysis 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20170111 |