CN203350756U - High-precision numerically-controlled adjustable stabilized voltage supply - Google Patents
High-precision numerically-controlled adjustable stabilized voltage supply Download PDFInfo
- Publication number
- CN203350756U CN203350756U CN 201320367145 CN201320367145U CN203350756U CN 203350756 U CN203350756 U CN 203350756U CN 201320367145 CN201320367145 CN 201320367145 CN 201320367145 U CN201320367145 U CN 201320367145U CN 203350756 U CN203350756 U CN 203350756U
- Authority
- CN
- China
- Prior art keywords
- module
- voltage
- output
- analog
- key
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a high-precision numerically-controlled adjustable stabilized voltage supply which comprises a micro processor, a display module, a key module, a digital-to-analogue conversion module, an analog-to-digital conversion module, a storage module and a power supply output module. The micro processor is connected with other modules, and the output end of the power supply output module is connected with a load and the analog-to-digital conversion module. The key module sends a control signal to the micro processor, voltage output by the micro processor each time is increased or reduced by 0.02V, the digital-to-analogue conversion module converts a digital signal voltage value output by the micro processor into an analog voltage value, and the analog voltage value supplies power for the load through the power supply output module. An output voltage value output by the power supply output module is converted into a digital voltage value through the analog-to-digital conversion module, and the digital voltage value is displayed by the display module through the micro processor. Besides, the storage module stores the voltage value needing to be stored currently. Through increasing and deceasing of the voltage of the adjustable stabilized voltage supply, the output range of the output voltage is effectively increased.
Description
Technical field
The utility model relates to a kind of stabilized voltage supply, relates in particular to a kind of high precision numerical control adjustable stabilized voltage supply.
Background technology
High-precision regulated power supply has very strong acting force in the specific demand occasion, and it can continue the DC voltage of stable output, and mains voltage ripple is very little, especially is applicable to the occasion uses such as communication, can provide very favorable guarantee for the relevant device steady operation.And the development of power supply industry size is rapid, compared with developed countries, China is wanting in apart from larger in the quality of power supply product, reliability, exploitation input, production scale, technological level, advanced checkout equipment, intellectuality, networking etc., China of exploitation in to(for) D.C. regulated power supply, generally by utilizing single-chip microcomputer and programmable system device (PSD, Programmable System Device) to come gauge tap D.C. regulated power supply or numeral system voltage cell to reach the purpose of numerical control.At present in high precision, high-performance, multi-functional Measurement and Control System, because the D.C. regulated power supply precision is not high, and fail to realize whole operative intelligence, make in load running, usually by increasing other resistance, reduce load supplying power and voltage, therefore, expended to a certain extent electric energy.
Therefore, be necessary to propose a kind of numerical control adjustable stabilized voltage supply based on microprocessor, can pass through the adjustable stabilized voltage supply of microprocessor regulating and controlling precision, thereby reach economize on electricity and regulatable purpose.
The utility model content
In order to overcome the defect of prior art, the utility model aims to provide a kind of saving electric energy, in real time the high precision numerical control adjustable stabilized voltage supply of regulation voltage.
To achieve these goals, the utility model provides a kind of high precision numerical control adjustable stabilized voltage supply, comprises microprocessor, display module, key-press module, D/A converter module, analog-to-digital conversion module and power supply output module; Described microprocessor connects respectively described display module, described key-press module, described D/A converter module, described analog-to-digital conversion module and described power supply output module, and described power supply output module connects a load and described analog-to-digital conversion module; Wherein, by described key-press module, transmit control signal to described microprocessor, make the each output voltage of described microprocessor increase or reduce 0.02V, the magnitude of voltage that described microprocessor is output as to digital signal by described D/A converter module is converted to analog voltage, and described analog voltage is given described load supplying by described power supply output module; And the output voltage of described power supply output module is converted to digital voltage value by described analog-to-digital conversion module, and show described digital voltage value by described microprocessor by described display module.
Preferably, described key-press module comprises and adds button, subtracts button, pre-read data key and preserve key, describedly add button, subtract button, pre-read data key with preserve key and be connected with described microprocessor respectively, by press described add button or subtract button output voltage is increased to or reduces 0.02V, preserve current output voltage values by described preservation key, and by the output voltage values of described pre-read data key reading and saving; And described control accuracy 0.02V is regulated and set by described microprocessor, and control accuracy also can be set by different microprocessor internal control programs, not as limit.
Preferably, described high precision numerical control adjustable stabilized voltage supply also comprises memory module, described memory module connects described microprocessor, by pressing described preservation key, preserve current output voltage values by described memory module, when the certain magnitude of voltage of needs, can, by pressing pre-read data key, select the different magnitude of voltage of memory module storage by microprocessor.
Preferably, described memory module comprises a pin-saving chip AT24C04, and this storage chip can be stored most according to selective.
Preferably, microprocessor is single chip computer AT 89C52, in described single chip computer AT 89C52, comprise can be repeatedly erasable Flash read-only program memory and Random Access Data storer, the function of assembling while adjusting for data in microprocessor is controlled.
Preferably, described display module is that the LED charactron shows, also can carry out numeral to output voltage values by other display unit and show.
Preferably, described analog-to-digital conversion module (A/D modular converter) comprises an analog to digital converter, described D/A converter module (D/A modular converter) comprises a digital to analog converter, this digital to analog converter is the TLC549A/D change-over circuit, but this TLC549A/D change-over circuit automatic operation or the sampling hold circuit of working under microprocessor is controlled; This analog to digital converter is the TLC5615D/A change-over circuit.
Preferably, described power supply output module comprises a voltage follower circuit, by described voltage follower circuit, gives described load supplying, by this voltage follower circuit, improves the load load capacity.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model is by microprocessor, D/A converting circuit, voltage tracking circuit and key-press module, push button and make the programmed control by microprocessor, carry out regulation voltage by the control accuracy set, in order to adjust the voltage that is applicable to load, thereby improve the adjustability of stabilized voltage supply; And logical superpotential adjusting, directly power to load, reduces kwh loss.
2, high precision numerical control adjustable stabilized voltage supply of the present utility model has improved the Power supply belt load capacity by voltage follower circuit, and by memory module is set, can store common voltage, when the needs magnitude of voltage, only by pressing pre-read data key, control and select the magnitude of voltage of having stored directly to load supplying by microprocessor, reduced the regulation voltage required time, make practicality larger.
The accompanying drawing explanation
Fig. 1 is the utility model high precision numerical control adjustable stabilized voltage supply structured flowchart;
The structured flowchart that Fig. 2 is the utility model key-press module;
The structural drawing that Fig. 3 is the utility model voltage follower circuit.
The symbol list:
The 10-microprocessor, 11-power supply output module, 12-A/D modular converter, 13-D/A modular converter, 14-display module, 15-key-press module, 16-memory module.
embodiment:
Referring to the accompanying drawing that the utility model embodiment is shown, hereinafter will describe in more detail the utility model.Yet the utility model can be with realizations such as multi-form, specifications, and should not be construed as the restriction of the embodiment be subject in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes more relevant those skilled in the art person understand scope of the present utility model fully.In these accompanying drawings, for clearly visible, may zoom in or out relative size.
Refer now to Fig. 1 and describe the high precision numerical control adjustable stabilized voltage supply of implementing according to the utility model in detail, the high precision numerical control adjustable stabilized voltage supply that the utility model provides, comprise microprocessor 10, display module 14, key-press module 15, D/A converter module 13, analog-to-digital conversion module 12, memory module 16 and power supply output module 11, this microprocessor 10 connects respectively display module 14, key-press module 15, D/A converter module 13, analog-to-digital conversion module 12, memory module 16 and power supply output module 11, and the output terminal of power supply output module 11 connects a load, analog-to-digital conversion module 12 also connects the output terminal of power supply output module 11, for gathering output voltage values.Wherein, give 10 1 control signals of microprocessor by key-press module 15, the each output voltage of this microprocessor 12 increases or reduces certain magnitude of voltage, by D/A converter module 12, the magnitude of voltage of the digital signal of microprocessor 10 outputs is converted to analog voltage, this analog voltage is load supplying by the power supply output module; The output voltage values of power supply output module 11 is converted to digital voltage value by analog-to-digital conversion module 12, and shows this magnitude of voltage by microprocessor 10 by display module 14; And, can be by the current magnitude of voltage of preserving that needs of memory module 16 storages.
Wherein, as shown in Figure 2, key-press module 15 is a key control circuit, comprise add button, subtract button, pre-read data key and preserve key, this adds button, subtract button, pre-read data key with preserve key and be connected with the corresponding port of microprocessor 10 respectively, this microprocessor 10 is 0.02V by internal processes setup control precision, and this control accuracy is not as limit; Add button or subtract button by pressing, there is microprocessor 10 to control output voltage and increase or reduce 0.02V, when needs are preserved current output voltage values, press the preservation key, store current output voltage values by microprocessor 10 control store modules 16, and can be by pressing the output voltage values of pre-read data key reading and saving; In actual application, due to add or the magnitude of voltage that subtracts when larger, can output voltage be added and subtracted fast by pressing for a long time to add button or subtract button, add button or subtract button and do not need repeatedly to press; And this storage module 16 is a pin-saving chip AT24C04, can store a plurality of output voltage values, by pressing pre-read data key, selected the different magnitude of voltage of memory module 16 storages by microprocessor 10.
And, microprocessor 10 is single chip computer AT 89C52, this single-chip microcomputer is a low-voltage, high performance COMS8 position single-chip microcomputer, comprise can be repeatedly erasable Flash read-only program memory and Random Access Data storer, and this single-chip microcomputer can be assembled the function of adjusting etc. and controls assembling the functional parts such as main IC internal register, data RAM and external interface; This display module 14 shows for the LED charactron or other have the display unit of digital displaying function; This analog-to-digital conversion module 12 is a TLC549A/D change-over circuit, gather output voltage values, and be converted to the digital signal voltage value, show the current output voltage value by the LED charactron after processing by microprocessor 10 data, but and this TLC549A/D change-over circuit automatic operation or the sampling hold circuit of working under microprocessor 10 is controlled; This D/A converter module 13 is a TLC5615D/A change-over circuit, and the magnitude of voltage that this TLC5615D/A change-over circuit will increase or reduce the digital signal of 0.02V is converted to analog voltage, by voltage follower circuit, exports load to.
In addition, as shown in Figure 3, power supply output module 11 is a voltage follower circuit, output voltage by voltage follower circuit triode emitter voltage as stabilized voltage supply, can connect electrical appliance or load, this magnitude of voltage is by after TLC549A/D change-over circuit data-switching, process and show this output voltage values by the LED charactron by microprocessor 10, by adjusting the data of key change input TLC5615D/A change-over circuit, the output voltage of this TLC5615D/A change-over circuit compares by inner operational amplifier and actual output sampling voltage, control the Voltage-output of triode in voltage follower circuit.And main its of this voltage follower circuit improves the load load capacity.
The microprocessor of the high precision numerical control adjustable stabilized voltage supply that the utility model provides not only can also can have the CPU of data-handling capacity for single chip computer AT 89S52 or other for single chip computer AT 89C52, and the 0.02V that control accuracy does not propose with this embodiment is as the criterion, can also be set according to Internal Control Procedure by different untreated devices, thereby be met the adjusting of small voltage value; The storage chip that pin-saving chip also can have literacy by other in the present embodiment replaces, thereby realizes the storage of data and read.
Obviously, those skilled in the art can carry out various changes and distortion and not break away from spirit and scope of the present utility model the utility model.Like this, if these modifications of the present utility model and distortion belong in the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes interior.
Claims (8)
1. a high precision numerical control adjustable stabilized voltage supply, is characterized in that, comprises microprocessor, display module, key-press module, D/A converter module, analog-to-digital conversion module and power supply output module;
Described microprocessor connects respectively described display module, described key-press module, described D/A converter module, described analog-to-digital conversion module and described power supply output module, and described power supply output module connects a load and described analog-to-digital conversion module; Wherein:
By described key-press module, transmit control signal to described microprocessor, make the each output voltage of described microprocessor increase or reduce 0.02V, the magnitude of voltage that described microprocessor is output as to digital signal by described D/A converter module is converted to analog voltage, and described analog voltage is given described load supplying by described power supply output module;
And the output voltage of described power supply output module is converted to digital voltage value by described analog-to-digital conversion module, and show described digital voltage value by described microprocessor by described display module.
2. high precision numerical control adjustable stabilized voltage supply according to claim 1, it is characterized in that, described key-press module comprises and adds button, subtracts button, pre-read data key and preserve key, describedly add button, subtract button, pre-read data key with preserve key and be connected with described microprocessor respectively, by press described add button or subtract button output voltage is increased to or reduces 0.02V, preserve current output voltage values by described preservation key, and by the output voltage values of described pre-read data key reading and saving; And described control accuracy 0.02V is regulated and is set by described microprocessor.
3. high precision numerical control adjustable stabilized voltage supply according to claim 2, it is characterized in that, described high precision numerical control adjustable stabilized voltage supply also comprises memory module, described memory module connects described microprocessor, by pressing described preservation key, by described memory module, preserve current output voltage values.
4. high precision numerical control adjustable stabilized voltage supply according to claim 3, is characterized in that, described memory module comprises a pin-saving chip AT24C04.
5. high precision numerical control adjustable stabilized voltage supply according to claim 1, is characterized in that, microprocessor is single chip computer AT 89C52, in described single chip computer AT 89C52, comprise can be repeatedly erasable Flash read-only program memory and Random Access Data storer.
6. high precision numerical control adjustable stabilized voltage supply according to claim 1, is characterized in that, described display module is that the LED charactron shows.
7. high precision numerical control adjustable stabilized voltage supply according to claim 1, is characterized in that, described analog-to-digital conversion module comprises an analog to digital converter, and described D/A converter module comprises a digital to analog converter.
8. high precision numerical control adjustable stabilized voltage supply according to claim 1, is characterized in that, described power supply output module comprises a voltage follower circuit, by described voltage follower circuit, gives described load supplying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320367145 CN203350756U (en) | 2013-06-25 | 2013-06-25 | High-precision numerically-controlled adjustable stabilized voltage supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320367145 CN203350756U (en) | 2013-06-25 | 2013-06-25 | High-precision numerically-controlled adjustable stabilized voltage supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203350756U true CN203350756U (en) | 2013-12-18 |
Family
ID=49750631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320367145 Expired - Fee Related CN203350756U (en) | 2013-06-25 | 2013-06-25 | High-precision numerically-controlled adjustable stabilized voltage supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203350756U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892544A (en) * | 2016-05-31 | 2016-08-24 | 成都九十度工业产品设计有限公司 | High-precision intelligent direct-current power supply system and method |
| CN106325342A (en) * | 2016-08-29 | 2017-01-11 | 苏州倍声声学技术有限公司 | Output voltage closed-loop control method and output voltage closed-loop control system for portable power generator |
-
2013
- 2013-06-25 CN CN 201320367145 patent/CN203350756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892544A (en) * | 2016-05-31 | 2016-08-24 | 成都九十度工业产品设计有限公司 | High-precision intelligent direct-current power supply system and method |
| CN106325342A (en) * | 2016-08-29 | 2017-01-11 | 苏州倍声声学技术有限公司 | Output voltage closed-loop control method and output voltage closed-loop control system for portable power generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202710975U (en) | Data acquisition device | |
| CN203350756U (en) | High-precision numerically-controlled adjustable stabilized voltage supply | |
| CN204883407U (en) | Servo pressure control system | |
| CN203405695U (en) | Voltage controlled current signal generator of solar battery array simulator | |
| CN205424026U (en) | Digit locator circuit | |
| CN201477136U (en) | Color LCD multifunctional power instrument | |
| CN104345759A (en) | Direct and constant-current source acquisition device | |
| CN203587685U (en) | Voltage-adaptive three-phase multifunctional electric energy meter | |
| CN202956210U (en) | Temperature sensor circuit structure based on single wire connection | |
| CN207053389U (en) | A kind of Switching Power Supply output overshoot suppression circuit and Switching Power Supply | |
| CN203117307U (en) | Conducting ring noise testing device | |
| CN204086333U (en) | A kind of electronic load | |
| CN205067609U (en) | Electric capacity detecting system based on singlechip | |
| CN201100880Y (en) | Analog resistor based on PC104 bus | |
| CN204515405U (en) | Reliability good multiple analog quantity sensor data acquisition system (DAS) | |
| CN204206279U (en) | A kind of standby power consumption of mobile phone test circuit | |
| CN201918733U (en) | Automatic control electricity-saving cabinet | |
| CN205862263U (en) | A kind of controllable small signal source plate | |
| CN110687956B (en) | Programmable output power module | |
| CN201945880U (en) | Serialized general digital transmitting system based on field bus | |
| CN204903620U (en) | Range automatic switching circuit based on AT89C51 | |
| CN201527448U (en) | Embedded power quality monitoring system | |
| CN205080462U (en) | Photovoltaic MPPT controlling means based on singlechip and AIC | |
| CN203166536U (en) | Reactive compensation filter controller in power system | |
| CN213302463U (en) | Analog battery |
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 |
Granted publication date: 20131218 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |