CN202661912U - Portable programmable power supply device - Google Patents
Portable programmable power supply device Download PDFInfo
- Publication number
- CN202661912U CN202661912U CN 201220190158 CN201220190158U CN202661912U CN 202661912 U CN202661912 U CN 202661912U CN 201220190158 CN201220190158 CN 201220190158 CN 201220190158 U CN201220190158 U CN 201220190158U CN 202661912 U CN202661912 U CN 202661912U
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- power supply
- analog
- keyboard
- voltage
- conversion module
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Abstract
The utility model discloses a portable programmable power supply device, consisting of a microcontroller, a DC (direct current) voltage stabilizing power supply, a standby power supply, a liquid crystal display, a digital-to-analog conversion module, an analog-to-digital conversion module, a keyboard, a current output device and a voltage output device, which are connected. The portable programmable power supply device disclosed by the utility model has the beneficial effects of integrating a current source, a voltage source and a sensor into a whole and having the property of simulating various converters output by 4-20MA standard signals, the intelligent current source and the voltage source can directly obtain the corresponding values without calculation to realize all-digital adjustment, so the precision is high. The portable programmable power supply device is extensively applied to the fields of automatic production, automatic control and automatic monitoring and is capable of greatly improving the working efficiency and the control precision.
Description
Technical field
The utility model relates to a kind of Portable program control supply unit.
Background technology
Because at present domestic Portable program control current source and the voltage source that does not also have specialty, people can only be based on the actual connection of testing apparatus when automated system is debugged, can't realize simulation operations, particularly many at sensor, transmitter, and operation is just more difficult in the situation of disperseing, and often needing a lot of people to cooperate just can finish.The external debugging that is used for automated system is relatively more expensive with large-scale emulator, does not also have practical portable product.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of Portable program control supply unit, and use device can directly obtain respective value, particularly uses this design under needs constantly change the occasion of output numerical value and can demonstrate larger superiority.
The technical solution of the utility model is: this device is connected to form by microcontroller, D.C. regulated power supply, back-up source, liquid crystal display, D/A converter module, analog-to-digital conversion module, keyboard, electric current output block, Voltage-output parts.Microcontroller is connected with liquid crystal display, D/A converter module, analog-to-digital conversion module, keyboard respectively, and D/A converter module, analog-to-digital conversion module are connected with the Voltage-output parts with the electric current output block jointly.
The preferred STC5410AD single-chip microcomputer of above-mentioned microcontroller,
The preferred 128X64 lattice lcd of above-mentioned liquid crystal display piece,
The preferred 12 bit serial digital to analog converters of above-mentioned D/A converter module,
The 4X4 keyboard of keyboard preferred standard.
The beneficial effects of the utility model are: the utility model colleeting comb source, voltage source, sensor are, various transmitter characteristics with the output of simulation 4～20MA standard signal, intelligent electric current voltage source need not to calculate and just can directly obtain respective value, can realize digital adjusting, and have very high precision.The design be widely used in automated production, automatically control and automatic monitoring field, can greatly increase work efficiency and control accuracy.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
Fig. 1 is structural representation of the present utility model.
Number in the figure:
1, microcontroller 2, D.C. regulated power supply 3, back-up source 4, liquid crystal display
5, D/A converter module 6, analog-to-digital conversion module 7, keyboard 8, electric current output block
9, Voltage-output parts.
Embodiment
Example
As shown in Figure 1, this device is connected to form by microcontroller 1, D.C. regulated power supply 2, back-up source 3, liquid crystal display 4, D/A converter module 5, analog-to-digital conversion module 6, keyboard 7, electric current output block 8, Voltage-output parts 9.
Above-mentioned microcontroller 1 uses the STC5410AD single-chip microcomputer,
Above-mentioned liquid crystal display adopts 128X64 lattice lcd piece,
Above-mentioned D/A converter module adopts 12 bit serial digital to analog converters,
Keyboard adopts the 4X4 keyboard of standard.
Below be the function and efficacy of each building block:
Back-up source 3 is battery, in the situation that there is not alternating current, can use with powered battery, is easy to carry.
Liquid crystal display 4 adopts 128X64 lattice lcd piece, and display screen is large, and font is clear.D/A converter module 5 adopts 12 bit serial digital to analog converters, and conversion accuracy is high, and interface is simple.Analog-to-digital conversion module 6 is the size of sensing lead current/voltage in time, and can finish overload protection.Keyboard 7 can directly be inputted 0～9 numeral, and various function key, and it is convenient especially to use.Electric current output block 8 and Voltage-output parts 9 can by the direct output current of the data that show on the screen and voltage, be supplied with external unit and use.
Claims (5)
1. Portable program control supply unit, it is characterized in that: this device is connected to form by microcontroller (1), D.C. regulated power supply (2), back-up source (3), liquid crystal display (4), D/A converter module (5), analog-to-digital conversion module (6), keyboard (7), electric current output block (8), Voltage-output parts (9); Microcontroller (1) is connected with liquid crystal display (4), D/A converter module (5), analog-to-digital conversion module (6), keyboard (7) respectively, and D/A converter module (5), analog-to-digital conversion module (6) are connected 9 with electric current output block (8) with the Voltage-output parts jointly) be connected.
2. Portable program control supply unit according to claim 1 is characterized in that: described microcontroller (1) use STC5410AD single-chip microcomputer.
3. Portable program control supply unit according to claim 1 is characterized in that: described liquid crystal display (4) employing 128X64 lattice lcd piece.
4. Portable program control supply unit according to claim 1 is characterized in that: described D/A converter module (5) employing 12 bit serial digital to analog converters.
5. Portable program control supply unit according to claim 1 is characterized in that: the 4X4 keyboard of described keyboard (7) employing standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220190158 CN202661912U (en) | 2012-05-01 | 2012-05-01 | Portable programmable power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220190158 CN202661912U (en) | 2012-05-01 | 2012-05-01 | Portable programmable power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661912U true CN202661912U (en) | 2013-01-09 |
Family
ID=47456805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220190158 Expired - Fee Related CN202661912U (en) | 2012-05-01 | 2012-05-01 | Portable programmable power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652934A (en) * | 2014-11-11 | 2016-06-08 | 江苏绿扬电子仪器集团有限公司 | System improving precision of program control dc source |
| CN112739092A (en) * | 2020-12-22 | 2021-04-30 | 嘉兴学院 | Portable program-controlled current source voltage source |
-
2012
- 2012-05-01 CN CN 201220190158 patent/CN202661912U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652934A (en) * | 2014-11-11 | 2016-06-08 | 江苏绿扬电子仪器集团有限公司 | System improving precision of program control dc source |
| CN112739092A (en) * | 2020-12-22 | 2021-04-30 | 嘉兴学院 | Portable program-controlled current source voltage source |
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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: 20130109 Termination date: 20130501 |